001_Installation Service 050 HK1W-HK3W

Vitotronic 050, type HK1W

Vitotronic 050, type HK3W

VITOTRONIC 050

Installation and

service instructionsfor heating engineers

Vitotronic050

Type HK1W and HK3W

Weather−compensated, digital heating circuit controls

See applicability on the last page.

5862739GB3/2005 Please keep safe

2

Safety instructions

Safety instructions

¨ Please follow these safety instructions closely to prevent accidents and

material losses.

Safety instructions explained

¨Danger

This symbol warns against the

risk of injury.

!Please note

This symbol warns against the

risk of material losses and

environmental pollution.

Note

Details identified by the word "Note"

contain additional information.

Target group

These instructions are exclusively

designed for qualified personnel.

Work on gas equipment must only

be carried out by a registered gas

fitter.

Electrical work must only be

carried out by a qualified

electrician.

The system must be

commissioned by the system

installer or a qualified person

authorised by the installer.

Regulations

Observe the following when working

on this system

all legal instructions regarding the

prevention of accidents,

all legal instructions regarding

environmental protection,

regulations issued by professional

bodies,

all current safety regulations as

defined by DIN, EN, DVGW, TRGI,

TRF, VDE and all locally applicable

standards.

If you notice the smell of gas

¨Danger

Escaping gas can lead to

explosions which may lead to

serious injury.

Do not smoke! Prevent

naked flames and sparks.

Never switch electrical lights

or equipment.

Open windows and doors.

Close the gas shut−off valve.

Shut down the heating

system.

Remove all people from the

danger zone.

Observe the safety

regulations of your local gas

supplier found on the gas

meter.

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Safety instructions

Safety instructions (cont.)

If you smell flue gas

¨Danger

Flue gas can lead to

life−threatening poisoning.

Shut down the heating

system.

Ventilate the boiler room.

Close all doors leading to the

living space.

Working on the heating system

Isolate the system from the mains

power supply and check that it is

no longer ’live’, e.g. by removing a

separate fuse or by means of a

mains isolator.

Safeguard the system against

unauthorised reconnection.

When using gas as fuel, also close

the main gas shut−off valve and

safeguard against unauthorised

reopening.

Repair work

!Please note

Repairing components which

fulfil a safety function can

compromise the safe operation

of your heating system.

Replace faulty components

only with original Viessmann

spare parts.

Ancillary components, spare and

wearing parts

!Please note

Spare and wearing parts which

have not been tested together

with the heating system can

compromise its function.

Installing non−authorised

components and

non−approved modifications/

conversions can compromise

safety and may infringe our

warranty conditions.

For replacements, use only

original spare parts from

Viessmann or those which are

approved by Viessmann.

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4

Index

Index

Heating system designs

System versions 1 to 3 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation

Summary of electrical connections 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing the mounting bracket and control unit back 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Inserting cables and applying strain relief 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Sensor connection 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pump connection 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting the actuator drives 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting the central fault messages to pluggÖ 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

External connections on plugaVD 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power supply 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing the control unit front 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Opening the control unit 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Commissioning

Controls and display elements 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking the heating circuit allocation 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changing the display language 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting control unit to LON system 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Carrying out a user check 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting the control unit to the Viessmann 2−wire BUS system 27. . . . . . . . . . . . . . . . .

Matching the coding addresses to the system version 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking outputs (actuators) and sensors 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjusting heating curves 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service scans

Service level summary 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Temperatures and brief scans 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Scanning operating conditions 36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting

Faults which are displayed at the programming unit 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Downloading fault codes from the fault memory (fault history) 46. . . . . . . . . . . . . . . . . . . . . . .

Function description

Heating circuit control 47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cylinder temperature control 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5

Index

Index (cont.)

Components

Components from the parts list 55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Radio clock receiver 60. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mixer circuit extension kit 61. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mixer motors 62. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation examples 64. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Temperature limiter for maximum temperature limiting 65. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Remote control 66. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Room temperature sensor 72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Function extension 0−10V 73. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Coding

Resetting codes into the delivered condition 74. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Code 1 74. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Code 2 77. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Screed function diagrams 99. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts lists

Parts list type HK1W 102. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts list type HK3W 104. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting and wiring diagrams

Summary 106. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Main PCB low voltage 107. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Main PCB 230V~ 108 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mixer extension PCB 109. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specification 110. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Declaration of conformity 111. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Keyword index 112. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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6


System version 1

A Vitotronic 050

B DHW cylinder

C Mixer circuit

(for typeHK1W only one mixer

circuit can be connected)

D LON or Viessman 2−wire BUS

connection

Plug

! Outside temperature sensor

? Flow temperature sensor

% Cylinder temperature sensor

sÖ Heating circuit pump

sA Cylinder primary pump

sK DHW circulation pump

fÖ Power supply 230V/50 Hz

gS Mixer motor

aVD External hook−up

(see page 19)

Coding

For systems with a DHW cylinder and for additional mixer circuits for type

HK3W, coding addresses "00:2" to "00:10" are automatically set.

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B

C

2

20

52

M2

C

2

20

52

M2

C

401

52

20 2

143 5

21

28

B

282

20

52

M1

A

21

5

D

2M1

2

20

52

M22

20

52

M2

401

52 20 214

3 5 21 28

2820

52

21

5

17B

G

20

E H

20

LN

7


System version 2

System with underfloor heating system

The underfloor heating mixer circuit must be M1 if the underfloor heating

system is regulated with flow and return temperature sensors (optimised

control).

Pumps with underfloor heating circuit:

A Vitotronic050

B DHW cylinder

C Mixer circuit,

only for typeHK3W

D Underfloor heating circuit

E Temperature limiter (max. limit)

F LON or Viessmann 2−wire BUS

connection

G Primary pump

H Secondary pump

(after system separation)

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8


System version 2 (cont.)

Plug



% Cylinder temperature sensor

aJB Return temperature sensor


(Primary pump)




gS Mixer motor


Coding

For systems with a DHW cylinder and for additional mixer circuits for type

HK3W, coding addresses "00:2" to "00:10" are automatically set.

Observe coding addresses "C7" and "C9" in conjunction with the optimised

underfloor heating circuit control.

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System version 3

System with cylinder storage systemConnections for the cylinder storage system are always %, aJB, sÖM1 and

gSM1. A mixer circuit M1 cannot be connected under these circumstances.

For typeHK1W:

Insert plug ! for outside temperature sensor and plug ? for flow

temperature sensor (plugs supplied with Vitotrans 222) into the sockets. This

prevents fault messages being generated. When scanning via keyc the

actual temperatures from 8ºC upwards are displayed.

A Vitotronic050

B VitocellL100

C Vitotrans222

D Mixer circuit,

only for typeHK3W

E LON or Viessmann 2−wire BUS

connection

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B

D

2

20

52

M3

D

2

20

52

M2

C

52

20

21

B

5

5

28

52

20 2

143 5 21

28

17B

A140E

10


System version 3 (cont.)

Plug

! Outside temperature

sensor


% Cylinder temperature

sensor 1 and 2

aJB Temperature sensor

Vitotrans222

sÖ Primary pump

Cylinder storage system

sÖM2/M3 Heating circuit pump

Mixer circuit




gS 3−way mixing valve

cylinder storage system

gSM2/M3 Mixer motor

Mixer circuit


Required coding

4C : 1 Primary pump connection to plugsÖ

4E : 1 3−way mixing valve connection to pluggS

55 : 3 Cylinder thermostat cylinder storage system

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11

Installation

Summary of electrical connections

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B

52522020

22

M3M2M3M2M3M2

145145

117 B

52/3 M1

143

28215220 M1

M1

5040

156

12

Installation

Summary of electrical connections (cont.)

Mixer extension PCB

(only for type HK3W)

?M2/M3 Flow temperature sensor

sÖM2/M3 Heating circuit pump

gSM2/M3 Mixer motor

Main PCB low voltage


?M1Flow temperature sensor

% Cylinder temperature sensor 1/

Cylinder temperature sensor2

for cylinder storage system

(accessories)

aJB Return temperature sensor or

temperature sensor cylinder

storage system (accessories)


aVG KM BUS user

(accessories),

for typeHK1W only one

required per system

Main PCB 230V~

sÖM1 Heating circuit pump

or

Primary pump



(accessories)

sK DHW circulation pump (on

site)

fÖ Power supply

gÖ Central fault message

gSM1 Mixer motor

or

Motor for 3−way mixing valve


aBH Power supply for accessories

When connecting external switching

contacts or components to the low

voltage of the control unit (aVD and

aVG), observe the safety

requirements of protection class II,

i.e. maintain an 8.0mm air

gap/creeping distance or a 2.0 mm

insulation thickness from ’live’

components.

For all on−site components (incl.

PC/laptops) ensure a safe electrical

separation in accordance with EN 60

335 or IEC 65.

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13

Installation

Installing the mounting bracket and control unit back

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1.

2.

14

Installation

Inserting cables and applying strain relief

A Cables with moulded strain relief

B On−site cables

Strip a maximum of 100 mm off

the cable insulation

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A

B

15

Installation

Sensor connection

A Flow temperature sensor mixer

circuit 3


B Flow temperature sensor mixer

circuit 2


C Outside temperature sensor

D Return temperature sensor

or

Temperature sensor cylinder


E Cylinder temperature sensor

F Cylinder temperature sensor 2 in

conjunction with a cylinder


G Flow temperature sensor

Mixer circuit1

Installation point for outside

temperature sensor

North or north−western wall,

2 to 2.5m above ground level; in

multi−storey buildings, in the upper

half of the second floor

Not above windows, doors or

ventilation outlets

Not immediately below balconies

or gutters

Do not render over

Connection

2−core cable with a maximum length

of 35m and a cross−section of

1.5mm2 (copper)

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17B 5 3/2

1 2 3 1 2 3 1 2 3

E F G

1

1 2 3

C D

2

1 2 3

B

2

1 2 3

A

16

Installation

Pump connection

Available pump connections

sÖM1 Heating circuit pump mixer circuitM1

or

Primary pump cylinder storage system

sÖM2/M3 Heating circuit pump mixer circuitM2/M3

(only for typeHK3W)



Pumps 230 V~

A Contactor

B Pump

C Mains supply in accordance with

manufacturer’s instructions

Rated current: 4 (2) A~

Recommended

connecting

cable: H05VVF3G 0.75 mm2

or

H05RNF3G 0.75 mm2

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B

LN

ExternalON/OFF

L N PE

CB

A

B

L N PE

17

Installation

Pump connections (cont.)

Pumps 400 V~

A Contactor

B Pump

For controlling the contactor

Rated voltage: 230 V~


Recommended

connecting


or

H05RNF3G 0.75 mm2

Connecting the actuator drives

| Open

~ Closed

Application:

Mixer motor mixer circuits

Motor for 3−way mixing valve for


Rated voltage: 230 V~

Rated current: max. 0.2 (0.1)A~

Recommended

connecting


or

H05RNF3G 0.75 mm2

Run time: adjustable via coding

address "C3"

58

62

73

9G

B

LN L1 L2 L3 N PE

M3~

B

A

52

18

Installation

Connecting the central fault messaging to plug gÖ

Rated voltage: 230V~


Recommended

connecting


or

H05RNF3G 0.75 mm2

58

62

73

9G

B

50

19

Installation

External connections on plug aVD

Zero volt contacts

A External heating program

changeover/

Extern. "Mixer open"

B Extern "Mixer closed"

External heating program

changeover/ Extern. "Mixer open"

The manually preselected heating

program can be modified via this

contact (see table below), and the

mixer can be opened.

Allocation to the heating circuits via

coding addresses "91" and "9A".

Extern. "Mixer closed"

Closing the zero volt contact closes

the mixer.

Allocation to the heating circuits via

coding address "99".

The function "mixer closed" has

priority over "mixer open".

!Please note

The heating circuit is no longer

protected from frost when the

mixer closes.

Manually preselectedheating program (with contact open)

Code 2 Changed heating program(with closed contact)

9

or

Central heating

OFF/DHW OFF

d5:0

(as delivered

condition)

<> Permanent operation with

reduced room

temperature/DHW OFF

w

or

Central heating

OFF/DHW ON

d5:1 <> Constant operation with

standard room

temperature/DHW in

rw Central heating

ON/DHW ON

p

accordance with coding

address "64"

58

62

73

9G

B

143

B

A

20

Installation

Power supply

RegulationsMake the mains connection and all required earthing (e.g fault current circuit)in accordance with IEC 364, the requirements of your local electricity supplier,

VDE regulations or all local and national regulations. Secure the control unit

supply with an appropriate fuse.

Mains isolator requirements (if necessary)

For combustion equipment to DIN VDE 0116, the mains isolator fitted on site

must comply with the requirements of DIN VDE 0116 "Section 6" [or localregulations]. Install the mains isolator outside the installation area. It must

simultaneously isolate all non−earthed conductors with at least 3 mm contact

separation.

Replacing the mains connecting cable3core cable selected from the following options: H05VVF3G 1.5 mm2

H05RNF3G 1.5 mm2

A Mains voltage 230 V~

B Fuse

C Mains isolator, 2−pole (on site)D Junction box (on site)

1. Check whether the mains power

cable to the control unit is fittedwith the correct fuse.

2. Connect the mains supply cableinside the junction box (on site)

and in plugfÖ.

¨DangerIncorrect core terminations can

cause severe injuries anddamage to the equipment.

Do not interchange cores "L1"

and "N":L1: brown

N: blue

PE: green/yellow

3. Insert plug fÖ into the control unit.

Colour coding to DIN IEC60757BN brown

BU blueGNYE green/yellow

58

62

73

9G

BD

L1PEN

A

B

C

21

Installation

Installing the control unit front

58

62

73

9G

B

22

Installation

Opening the control unit

58

62

73

9G

B

First key 1,2 or 3

C

BA H

D E

FG

23

Commissioning

Controls and display elements

A ON indicator (green)

B Fault indicator (red)

C Heating circuit selection keys

D User interface

A Central heating time

program

B DHW heating time

program

C DHW circulation pump

time program

H Holiday program

F DHW temperature

E Reduced room

temperature

I Heating curve slope

J Heating curve level

D Time/date

K Standby mode

L DHW only

G Heating and DHW

N Economy mode

M Party mode

a/b Adjusting values

d Confirmation

c Information

e Standard setting

E Rotary selector"ts" for

"Standard room temperature"

F ON/OFF switch

G Fuse

H Open flap

58

62

73

9G

B

24

Commissioning

Checking the heating circuit allocation

Check whether the label for the

heating circuit allocation has been

affixed to the corresponding array

of the programming unit.

Select the corresponding heating

circuit before making any

adjustments.

Changing the display language

1. Press c.

2. Selected the required language

with b.

3. Confirm with d.

Connecting control unit to LON system

The LON communication module (accessories) must be plugged in (see parts

list).

Note

Data transfer via the LON system can take several minutes.

Setting up LON user numbers

In code 1 via coding address "77".

In a LON system, the same number

cannot be allocated twice.

Updating LON users

Only possible if all users are

connected and the control unit is

programmed to be fault manager

(code "79:1").

1. Press L and d simultaneously

for approx. 2 s.

User check initiated (see page 26).

2. Press e.

The user list is updated after

approx. 2 minutes.

User check completed.

58

62

73

9G

B

25

Commissioning

Integrating the control unit into the LON system (cont.)

Single boiler system with Vitotronic 050 and Vitocom 300 downstream

User no. 1

Code "77:1"

User no. 10

Code "77:10"

User no. 11

Set code "77:11"

User no. 99

(fixed)

Control unit is

fault manager*1

Code "79:1"

Control unit is not

fault manager*1

Code "79:0"

Control unit is not

fault manager*1

Code "79:0"

Device is

fault manager

(fixed)

Send time via

LON

Code "7b:1"

Time received via

LON

Set code "81:3"

Time received via

LON

Set code "81:3"

Time received

via LON

(fixed)

Receive outside

temperature via

LON

Code "97:2"

Outside

temperature is

received via LON

Set code "97:1"

Outside

temperature is

received via LON

Set code "97:1"

Viessman system

number coding

"98:1"

Viessman system

number coding

"98:1"

Viessman system

number coding

"98:1"

Fault monitoring

LON user

Set code

"9C:20"

Fault monitoring

LON user

Set code

"9C:20"

Fault monitoring

LON user

Set code

"9C:20"

*1In each heating system, only one Vitotronic may be programmed as fault manager.

58

62

73

9G

B

LON

Vitotronic 200 Vitotronic 050 Vitotronic 050 Vitocom

LON LON

26

Commissioning

Carrying out a user check (in conjunction with LON System)

Communication with the system devices connected to the fault manager is

tested with a user check.

Preconditions:

The control unit must be programmed as fault manager (code "79:1")

The LON user number must be encoded in all control units (see page 24).

The fault manager user list must be up to date (see page24).


for approx. 2 s.

User check initiated.

2. Select the required user with a or

b.

3. Activate check with d.

"Check" flashes until its

completion. The display and all

key illuminations of the selected

user flash for approx. 60 s.

During communication between

both devices

"Check OK" flashes

"Check not OK" flashes if there

is no communication between

both devices. Check the LON

connection and encoding (see

page25).

4. For checking further users,

proceed as described under items

2 and 3.


for approx. 1 s.

User check completed.

58

62

73

9G

B

Participant check

1F01 : 01

User

number

Consecutive

list number

27

Commissioning

Connecting control unit to Viessmann 2−wire BUS system

The Viessmann 2−wire BUS communication module (accessories) must be

plugged in (see parts list).

A Communication module

B Rotary selector

1. Set the rotary selector on the

communication module in

accordance with the system

version between 4 and C (the

rotary selector must not be set the

same as the rotary selector of

another control unit).

2. In conjunction with a boiler

control unit

Adjust the differential

temperature at the above control

unit.

On the Vitotronic 050, set code

"9F:0".

Set code "97:1" if the outside

temperature is to be taken from

an outside temperature sensor

which is already connected.

Examples

A Vitotronic300, type KW3

B Vitotronic050

C Viessmann 2−wire BUS

58

62

73

9G

B

B

A

C C

BA B

5

S1

4

S1

28

Commissioning

Matching the coding addresses to the system version

In code1 adjust the following coding

addresses :

"00" System design

"A2"Cylinder priority

"A5"Heating circuit pump logic

function (economy mode)

"C5" Flow temperature minimum

limit

"C6" Flow temperature maximum

limit

In code2 set the following coding

address:

"4C" Function plugsÖ M1

"4E" Function pluggS M1

"55" Buffer cylinder system

"77" LON user number

"7F" Detached house or apartment

block

"98" Viessmann system number

Note

Further optional adjustments are listed in code1 and 2.

58

62

73

9G

B

29

Commissioning

Checking outputs (actuators) and sensors

Relay test

1. Press K and d simultaneously

for approx. 2 s.

Relay test is activated.

2. Control relay outputs

with a or b.

3. Press d. Relay test is completed.

The following relay outputs may be selected:

Output20 ON

Output52 OPEN,

Output52 Ntr.,

Output52 Closed

Cylinder primary pump ON

DHW circulation pump ON

Heating circuit pump M2 ON

Heating circuit pump M3 ON

MixerM2 OPEN

MixerM2 CLOSED

MixerM3 OPEN

MixerM3 CLOSED

Central fault messaging ON

Notes

The illuminated heating circuit

selector indicates the corresponding

heating circuit.

Changing the rotational direction of

the mixer motor, see page64.

Checking sensors

1. Press c.

Scanning operating conditions is

activated, see page 36.

2. Scan the actual temperatures with

a or b.

3. Press c. Scanning is completed.

58

62

73

9G

B

30

Commissioning

Adjusting heating curves

Heating curves represent the

relationship between the outside

temperature and the flow

temperature. To put it simply:

The lower the outside temperature,

the higher the flow temperature. The

room temperature again depends on

the flow temperature.

Settings in the delivered condition:

Slope "n"=1,4

Level "N"=0

A Underfloor heating

B Low temperature heating systems ([German] Energy Savings Order)

C Heating system with boiler water temperatures in excess of 75ºC

58

62

73

9G

B

Flo

w t

em

pera

ture

in

ºC

Outside temperature in ºC

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

3.2

3.4

Slope

31

Commissioning

Adjusting heating curves (cont.)

Changing slope and level (for each heating circuit separately)

1. I for slope, value adjustable

from 0.2 to 3.5;

J for level, value adjustable from

13 to +40 K.

2. a/b for the required value.

3. d to confirm.

A Change slope

B Change level

Changing the maximum limit for the flow temperature

(for each heating circuit separately)

Delivered condition 75ºC, change via

coding address "C6".

Note

For underfloor heating circuits, you

can select a maximum limit, e.g.

45ºC ; for this, observe the

system−specific maximum

permissible flow temperature.

The maximum limit does not replace

the maximum limit temperature

limiter.

58

62

73

9G

B

110

+20 −20Outside temperature in °C

3.5

1.4

0.2

A

B

Flo

w t

em

pera

ture

in

°C

32

Commissioning

Adjusting heating curves (cont.)

Adjust the set room temperature (for each heating circuit separately)

Standard room temperature:

Adjust the set temperature with

rotary selector"ts".

The value will automatically be

accepted after approx. 2s.

Reduced room temperature:

1. E for "Reduced room

temperature".

2. a/b for the required set

temperature.

3. d to confirm.

Example 1:

Adjustment of the standard room

temperature from 20 ºC to 26 ºC

Example 2:

Adjustment of the reduced room

temperature from 5 ºC to 14 ºC

AFlow temperature in ºC

BOutside temperature in ºC

CSet room temperature in ºC

DHeating circuit pump OFF

EHeating circuit pump ON

Accordingly, the heating curve is

adjusted along the set room

temperature axis, which results in

modified start−up/shutdown

characteristics of the heating circuit

pumps, if heating circuit pump logic

is activated.

58

62

73

9G

B

33

Service scans

Service level summary

Function Key combination Exit Page

Adjusting the display

contrast

Press d and asimultaneously; the display will darken

Press d and bsimultaneously;the display will getlighter

User check

(in conjunction with

LON system)

Press L and dsimultaneously for

approx. 2 s

Press L and dsimultaneously for

approx. 1 s

26

Relay test Press K and dsimultaneously for

approx. 2s

Press d 29

Temperatures and

brief scans

Press K and Gsimultaneously for

approx. 2s

Press d 34

Operating condition Press c Press c 36

Troubleshooting Press c Press d 37

Calling up

acknowledged fault

messages

Press d for approx. 2 s Press d NO TAG

Fault history Press G and dsimultaneously for

approx. 2 s

Press d 46

Resetting codes into

the delivered

condition

Press L and Gsimultaneously for

approx. 2 s; press econfirm with d

74

Code 1 Press K and Lsimultaneously for

approx. 2 s

Press K and Lsimultaneously for

approx.

1s

74

Code 2 Press L and Gsimultaneously for

approx. 2 s;

confirm with d

Press K and Gsimultaneously for

approx. 1s

77

58

62

73

9G

B

34

Service scans

Temperatures and brief scans

1. Press K and G simultaneously

for approx. 2 s.

2. Select the required scan with aor b.

3. Press d. Scanning is completed.

The following values can be scanned, subject to the actual equipment level:

Slope M1/M2/M3

Level M1/M2/M3

Outside temp. adj.

Outside temp. actual

Sensor 17B

Set DHW temp.

Actual DHW temp.

DHW Temp.1. actual

DHW temp.2. actual

Flow temperature, set

Flow temperature, actual

Room temp. set

Room temp. actual

Brief scan 1

to

Brief scan9

The adjusted outside temperature

can be reset to the current outside

temperature with e.

If a sensor is connected.

If a cylinder temperature sensor is

connected.

If two cylinder temperature

sensors are connected.

If a remote control unit is

connected.

See page 35.

58

62

73

9G

B

35

Service scans

Temperatures and brief scans (cont.)

8ssm

an

n 2

−wir

e

N/A

So

ftw

are

vers

ion

Rem

ote

co

ntr

ol

Mix

er

cir

cu

itM

3

N/A

So

lar

co

ntr

ol

un

it s

oft

ware

8N

um

ber

of

Vie

ss

BU

S u

sers

So

ftw

are

vers

ion

Mix

er

exte

nsio

nM

2/M

3 P

CB

Op

era

tin

g m

od

eM

ixer

circ

uitM

30

w/o

rem

ote

co

ntr

ol

1w

ith

Vito

tro

l200

2w

ith

Vito

tro

l300

No

de a

dd

ress

Nu

mb

er

LO

N u

ser

N/A

8N

um

ber

of

KM

BU

S u

sers

So

ftw

are

vers

ion

Co

mm

un

ica

tio

nm

od

ule

So

ftw

are

vers

ion

Rem

ote

co

ntr

ol

Mix

er

circ

uit

M2

N/A

s/s

yste

m n

o.

on

N/A

N/A

8N

/A

N/A

Op

era

tng

mo

de

Mix

er

circ

uitM

2

0w

/o r

em

ote

co

ntr

ol

1w

ith

Vit

otr

ol200

2w

ith

Vit

otr

ol300

Su

bn

et

ad

dre

ss/

So

ftw

are

vers

ioN

eu

ron

ch

ip

N/A

ef scan

8

s "

00")

So

ftw

are

vers

ion

Pro

gra

mm

ing

un

it

So

ftw

are

vers

ion

Rem

ote

co

ntr

ol

Mix

er

cir

cu

it M

1

So

ftw

are

vers

ion

co

mm

un

icati

on

co

−pro

cesso

r

see c

od

ing

de2

Brie

8

Syste

m d

esig

n

(see c

od

ing

ad

dre

ss

So

ftw

are

vers

ion

Co

ntr

ol

un

it

Op

era

tin

g m

od

e

Mix

er

cir

cu

it M

1

0w

/o r

em

ote

co

ntr

ol

1w

ith

Vit

otr

ol200

2w

ith

Vit

otr

ol300

LO

N u

ser

no

.

SN

VT

co

nfi

gu

rati

on

0 =

Au

to1 =

To

ol

Devic

e r

eco

gn

itio

n s

ad

dre

ss "

92" i

n c

od

N/A

Bri

ef

scan

1 2 3 4 5 6 7 8 9

58

62

73

9G

B

36

Service scans

Scanning operating conditions

1. Press c.

2. Select the required operating

condition scan with a or b.

3. Press c. Scanning is completed.

The following operating conditions can be scanned subject to the actual

equipment level:

User no.

Holiday program with departure

and return date

Actual outside temperature

Sensor17B (actual value)

Actual DHW temperature

Actual DHW temperature 1

Actual DHW temperature 2

Flow temperature

Standard room temperature (set

value)

Actual room temperature

Actual solar DHW temperature

Collector temperature (actual value)

Solar energy (kWh)

Time

Date

Output20 ON/OFF

Output52 OPEN/CLOSED

Cylinder pump ON/OFF

DHW circulation pump ON/OFF

Central heating circuit pump ON/OFF

Mixer open/closed

Solar circuit pump ON/OFF

Hours run solar circuit pump

Various languages

If a LON communication module is

installed.

If a holiday program has been

entered.

If a sensor is connected.

If a cylinder temperature sensor is

connected.

If two cylinder temperature

sensors are connected.

If a remote control unit is

connected.

In conj. with solar heating system.



Position detail in %

Position detail in %



Each language can be selected as

the permanent display language

with d.

58

62

73

9G

B

37

Troubleshooting

Faults which are displayed at the programming unit

The red fault indicatorflashes for all faults.

If a fault message is issued, the display flashes

"Fault".

A central fault messaging facility connected to plug gÖ will be started.

Troubleshooting

Note

A new fault message will be shown

in the display if an acknowledged

fault is not removed by 07:00 h the

following day.

1. Press c.

2. Call up further fault codes

with a or b.

3. The fault can be acknowledged

with d. The fault message in the

display will be hidden, but the red

fault indicator continues to flash.

Fault display

Fault code

(for explanations, see page 39)

Fault number (1 to 10)

Fault symbol

58

62

73

9G

B

Fault

1Mo 57

w ºC

Outdoor sensor

1DBG− 101

38

Troubleshooting

Faults which are displayed at the programming unit (cont.)

Plain text fault display

Outside temperature sensor

Flow sensor

Cylinder sensor 1 or 2

Will only be displayed if a second

cylinder temperature sensor is

connected.

Sensor 17B

Room temperature sensor

Collector sensor

Solar DHW sensor

User number

Fault user

Display only if the control unit is

programmed as fault manager.

Calling up acknowledged fault

messages

1. Press d for approx. 2 s.

The fault will then be displayed.

2. Select an acknowledged fault

with a or b.

58

62

73

9G

B

39

Troubleshooting


Fault

codeSystem

characteristics

Cause Remedy

10 Activates after 0 ºC

outside

temperature

Short circuit

Outside

temperature sensor

Check outside

temperature sensor

(see page 59)

18

p

Lead broken

Outside

temperature sensor

( p g )

20 Mixer is "Closed" Short circuit

Flow temperature

sensor

Mixer circuitM1

Check flow

temperature sensor

(see page 58)

28 Lead broken

Flow temperature

sensor

Mixer circuitM1

40 Short circuit

Flow temperature

sensor

Mixer circuitM2

44Short circuit

Flow temperature

sensor

Mixer circuitM3

48 Lead broken

Flow temperature

sensor

Mixer circuitM2

4cLead broken

Flow temperature

sensor

Mixer circuitM3

58

62

73

9G

B

40

Troubleshooting


Fault

codeSystem

characteristics

Cause Remedy

50 Cylinder primary

pump ON:

Set DHW

temperature=set

boiler water

temperature, priority

is cancelled

or

With cylinder

storage system:

Cylinder heating is

started and stopped

by cylinder

temperature sensor

2

Short circuit

Cylinder

temperature

sensor1

Check cylinder

temperature sensor

(see page 57)

51 With cylinder

storage system:

Cylinder heating is

started and stopped

by cylinder

temperature sensor

1

Short circuit

Cylinder

temperature

sensor2

58 Cylinder primary

pump "ON":

Set DHW

temperature=set

boiler water

temperature, priority

is cancelled

or

With cylinder

storage system:

Cylinder heating is

started and stopped

by cylinder

temperature sensor

2

Lead broken

Cylinder

temperature

sensor1

58

62

73

9G

B

41

Troubleshooting


Fault

codeSystem

characteristics

Cause Remedy

59 With cylinder storage

system:

Cylinder heating is

started and stopped

by cylinder temp.

sensor 1

Lead broken

Cylinder

temperature sensor

2

Check cylinder

temperature sensor

(see page57)

70 Weather−compensated

control unit without

return temp. sensor

Short circuit

Temperature

sensoraJB

Check temperature

sensor

(see page 58).

78

p

or

Primary circuit mixer

closed

Lead broken

Temperature

sensoraJB

( p g )

Without

temperature sensor:

Set code "4B:0"

92 Control mode

Only the solar control

unit fault codes will

be displayed

Short circuit

Collector

temperature sensor,

connects to

Vitosolic S1

Check solar control

unit sensor

93 Short circuit

Cylinder

temperature sensor,

connects to

Vitosolic S2

94 Short circuit

Temperature

sensor, connects to

Vitosolic S3

9a Lead broken

Collector

temperature sensor,

connects to

Vitosolic S1

9b Lead broken

Cylinder

temperature sensor,

connects to

Vitosolic S2

58

62

73

9G

B

42

Troubleshooting


Fault

codeSystem

characteristics

Cause Remedy

9c Control mode

Only the solar

control unit fault

codes will be

Lead broken

Temperature sensor,

connects to Vitosolic

S3

Check solar control

unit sensor

9fdisplayed Fault

Solar control unit;

displayed if an error

without fault code

occurs at the solar

control unit

Check solar control

unit

AAab Controlled

operation, perhaps

DHW cylinder cold

Code "55:3" has

been set, but

plugaJB is not

plugged in

and/or

Code"4C:1" and

code "4E:1" have

not been set

Insert plugaJB and

check coding

b1 Control mode Communication

error

Programming unit

Check connections

and replace

programming unit, if

required

b4 Undefined control

characteristics

Internal electronics

fault

Replace electronics

PCB

b5 Control mode

b6 Undefined control

characteristics

Invalid hardware

recognised

Check coding

address "92"

(see page 84)

ba Mixer closed Mixer extension

PCB

communication

error

Replace the PCB

(see parts list)

58

62

73

9G

B

43

Troubleshooting


Fault

codeSystem

characteristics

Cause Remedy

bc Control mode

without remote

control

Communication error

Vitotrol remote

control,

Mixer circuitM1

Check connections,

cable and coding

address "A0" as well

as the remote control

bd Communication error

Vitotrol remote

control,

Mixer circuitM2

DIP switches

(see page67 and 69)

be Communication error

Vitotrol remote

control,

Mixer circuitM3

bf Control mode Incorrect LON

communication

module

Replace

communication

module (see parts list)

c2 Lead broken

KM BUS to solar

control unit

Check KM BUS cable

and the solar control

unit.

Without solar control

unit:

Set code "54:0"

c4 Communication with

function extension

0−10V faulty

Check connections,

cables/leads; if

required, replace the

function extension

(see page73).

Without function

extension:

Set code "9d:0"

cEf LON communication

module fault

Replace

communication

module (see parts list)

58

62

73

9G

B

44

Troubleshooting


Fault

codeSystem

characteristics

Cause Remedy

dEa Control mode

without room

influence

Short circuit

Room temperature

sensor,

Mixer circuitM1

Check room

temperature sensor

(see

page 72) and DIP

dEb Short circuit

Room temperature

sensor,

Mixer circuitM2

p g )

switch setting on

the Vitotrol (see

page67 and 69).

dEc Short circuit

Room temperature

sensor,

Mixer circuitM3

dEd Lead broken

Room temperature

sensor,

Mixer circuitM1

dEe Lead broken

Room temperature

sensor,

Mixer circuitM2

dEf Lead broken

Room temperature

sensor,

Mixer circuitM3

e0 Control modeR Communication

break Viessmann

2−wire BUS

Check connection

58

62

73

9G

B

45

Troubleshooting


LON users fault messages

Preconditions:

The control unit must be encoded as fault manager (code "79:1").

Fault

codeSystem

characteristics

Cause Remedy

01to

98

Control mode A user fault has

occurred e.g. 12

(Vitotronic050)

Download fault code

to user

Installation

and service

instructions

of the

relevant

control unit

No connection to

the user

Check coding (see

page25)

Check connecting

LON cable

Update user list

(see page24)

Carry out a user

check (see

page26)

58

62

73

9G

B

Participant

1U 12F1

46

Troubleshooting


Fault

codeSystem

characteristics

Cause Remedy

99 Control mode Fault message

active at Vitocom

300

Check external

connections at

Vitocom 300

No connection to

Vitocom 300

Check coding (see

page25)

Check connecting

LON cable

Update user list

(see page24)

Carry out a user

check (see

page26)

Downloading fault codes from the fault memory (fault history)

The most recent 10 faults are saved

and may be called up.

Faults are sorted by date. The most

recent fault is thus fault number 1.

1. Press G and d simultaneously

for approx. 2 s.

2. Call up the individual fault codes

with a/b.

Note

All saved fault codes can be

deleted with e.

3. Press d.

58

62

73

9G

BFault history

1F1 18

47


Heating circuit control unit

Brief description

The set flow temperature of every

heating circuit is selected by the

following parameters:

Outside temperature

Set room temperature

Operating mode

Heating curve

The flow temperature of the mixer

circuits is regulated by the stepped

opening or closing of the mixers.

The mixer motor control changes the

actuating and pause times subject to

the control difference

(control deviation).

Coding addresses which influence

the heating circuit control

9F, A0 to Fb.

For a description, see the coding

overview.

Functions

Time program

The control unit time switch changes

in accordance with the programmed

times in the central heating program

between the central heating with

standard temperature and central

heating with reduced temperature

operating modes.

Every operating mode has its own

set value level.

Outside temperature

A heating curve must be set up for

matching the control unit to the

building and the heating system.

The heating curve characteristics

determine the set flow temperature

subject to outside temperature. An

average outside temperature is used

for control purposes. This comprises

the actual and the adjusted outside

temperature.

Domestic hot water temperature

With priority control:

The set flow temperature will be

set to 0 ºC whilst the cylinder is

being heated up.

The mixer closes, and the heating

circuit pump is switched OFF.

Without priority control:

The heating circuit control unit

continues to operate with the same

set value.

58

62

73

9G

B

48


Heating circuit control (cont.)

Room temperature

in conjunction with remote control

and room temperature hook−up

(observe coding address "b0")

Compared to the outside

temperature, the room temperature

has a greater influence on the set

flow temperature. This influence

may be changed via coding address

"b2".

For control differences (actual value

deviation) above 2 K room

temperature, the influence can be

increased again (via coding address

"b6", quick heat−up/quick setback).

Quick heat−up:

The set room temperature must be

raised by a minimum of 2 K by

pressing party key M changing from central heating with

reduced temperature to central

heating with standard temperature

start−up optimisation

Quick heat−up will stop when the set

room temperature has been reached.

Quick setback:

The set room temperature must be

reduced by a minimum of 2 K by

pressing economy key N changing from central heating with

standard temperature to central

heating with reduced temperature

Shutdown time optimisation

Quick setback will stop when the set

room temperature has been reached.

Heating circuit pump logic (economy

mode)

The heating circuit pump is switched

OFF (set flow temperature set to

0ºC), when the outside temperature

exceeds the value selected via

coding address "A5".

Extended economy mode

The heating circuit pump is switched

OFF and the set flow temperature is

set to 0ºC, if:

the outside temperature exceeds

the value selected via coding

address "A6"

the set room temperature is

reduced via coding address "A9"

the mixer has been closed for 12

min (mixer economy function,

coding address "A7")

the actual room temperature

exceeds the value selected via

coding address "b5"

Screed function

Note

Observe DIN 4725 part 4.

Four different temperature profiles

can be selected for drying the

screed. These profiles are activated

via coding address "F1".

When the screed drying function is

activated, the heating circuit pump is

switched ON and the flow

temperature will be held at the

selected profile. After completion (30

days), the mixer circuit will again be

regulated automatically via the set

parameters.

58

62

73

9G

B

49



Underfloor heating

(only mixer circuitM1)

An additional return temperature

sensor can be connected to achieve

an optimum underfloor heating

system. The control unit calculates a

set return temperature. Changes are

implemented if the actual return

temperature deviates from the set

return temperature.

The temperature differential may be

changed via coding address "C7".

When changing from central heating

with reduced temperature to central

heating with standard temperature,

the set flow temperature can be

raised by 20 % for one hour via code

"C9:1".

System dynamics mixer circuit

You can influence the control

characteristics of the mixer via

coding address "C4".

Frost protection

When the outside temperature falls

below +1ºC, a flow temperature of at

least 10ºC will be safeguarded.

For changes see coding address

"A3", variable frost limit.

Flow temperature control

Differential temperature:

The differential temperature can be

adjusted via

coding address "9F",

Delivered condition 8 K.

The differential temperature is the

minimum value by which the boiler

water temperature should be higher

than the current highest required

flow temperature of the mixer

circuits.

A Max. boiler water temperature

B Slope=1.8 mixer circuitM1

C Slope=0.6 mixer circuitM2

Level=10

D Boiler water temperature

(at a differential temperature of

8K)

E Lower boiler water temperature

58

62

73

9G

B

Flo

w t

em

pera

ture

in

°C

8K

50

110

87

+20 −20Outside temperature in C

B

A

C

E

D

50



Upper control limit

Electronic maximum limit

Setting range: 10 to 127 ºC

Changes via coding address "C6"

Note

The maximum limit is no

replacement for the underfloor

heating system temperature limiter

(see page65).

Temperature limiter for underfloor

heating:

The temperature limiter switches the

heating circuit pump OFF if the set

value has been exceeded. In such

cases, the flow temperature reduces

only slowly, i.e. it may be several

hours before the system restarts

again automatically.

Lower control range limit

Electronic minimum limit (only

active in operation with standard

room temperature)

Setting range: 1 to 127 ºC

Changes via coding address "C5"

Control sequence

Mixer circuit

Inside the "neutral zone"

(±1 K) the mixer motor will not be

controlled.

Flow temperature drops

(set value −1 K)

The mixer motor receives the signal

"Mixer open".

The signal duration lengthens with

an increasing control differential.

The duration of pauses reduces with


Flow temperature rises

(set value +1 K)

The mixer motor receives the signal

"Mixer closed".

The signal duration lengthens with


The duration of pauses reduces with


58

62

73

9G

B

51


Cylinder temperature control

Brief description

The cylinder thermostat operates

with a constant temperature. It is the

result of starting and stopping the

cylinder primary pump.

The switching differential is ±2.5K.

During cylinder heating, a constant

upper boiler water temperature will

be set (20 K higher than the set

cylinder temperature, adjustable via

coding address "60") and central

heating is switched OFF (optional

cylinder priority).

Coding addresses which influence

the cylinder thermostat

54, 55, 56, 58 to 62, 64, 66, 67,

70 to 75, 7F, A2.

For a description, see the coding

overview.

Functions

Time program

An automatic program or an

individual time program may be

selected for DHW heating and the

control of the DHW circulation pump.

Compared with the heating circuit

heat−up phase, DHW heating starts

30minutes earlier in automatic

mode.

The individual time program enables

up to four time phases per day to be

set via the time switch to control the

DHW heating and four time phases

per day for the DHW circulation

pump.

Any cylinder heating sequence will

be completed, independent of the

time program.

In conjunctionwithcodingaddress"7F"

"7F:1" Detached house:

Automatic mode

The heating times for heating

circuit 1 are applied to systems

with two or three heating circuits.

Individual time program

The switching times for DHW

heating and the DHW circulation

pump have the same effect on all

heating circuits.

"7F:0" Apartment block:

Automatic mode

The heating times for the

respective heating circuit will be

applied to systems with two or

three heating circuits.

Individual time program

The switching times for DHW

heating can be adjusted separately

for each heating circuit.

58

62

73

9G

B

52


Cylinder temperature control (cont.)

DHW priority

With DHW priority:

(code "A2:2"):

The set flow temperature will be

set to 0 ºC during cylinder heating.

The mixer closes, and the heating

circuit pump is switched OFF.

Without DHW priority:

The heating circuit control unit

continues to operate with the same

set value.

Frost protection

The DHW cylinder will be heated to

20 ºC if the DHW temperature falls

below 5ºC.

Auxiliary function for DHW heating

This function is activated by

providing a second set DHW

temperature via coding address

"58", and activating the fourth DHW

phase for DHW heating.

Set DHW temperature

The set DHW temperature can be

adjusted between 10 and 60 ºC. The

set range can be extended to 95 ºC

via coding address "56".

The set default value of the

programming unit and/or the Vitotrol

300 remote control (if installed) can

be allocated via coding address

"66".

DHW circulation pump

The DHW circulation pump delivers

hot water to the draw−off points at

adjustable times.

Up to four time phases can be set at

the time switch.

Auxiliary circuits

DHW heating can be blocked or

enabled by changing over the

heating program (see coding

address "b5").

System with cylinder storage system

These functions also apply

in conjunction with the cylinder

storage system.

Set the following codes:

"4C:1", "4E:1", "55:3" (see coding

overview).

Systems with Vitosolic

A third set DHW temperature can be

defaulted via coding address "67".

Re−heating will be suppressed above

the selected temperature. The DHW

cylinder will only be heated by the

solar heating system.

58

62

73

9G

B

53



DHW demand to central cylinder

(Only in conjunction with LON

communication module)

The DHW demand can optionally be

applied to a central DHW cylinder

(coding address "57"). The cylinder

temperature control of the Vitotronic

050 is inactive, i.e. no DHW

temperature can be set and no DHW

circulation pump can be controlled.

However, the time phases for DHW

heating remain active.

Control sequence

Pump run−on

The cylinder primary pump runs on

after cylinder heating until the

following criteria have been met:

The weather−compensated set

boiler water temperature has

been reached

or

The set DHW temperature has

been exceeded by 5 K

or

The maximum run−on time

(adjustable via coding

address"62") has been reached

Without the cylinder primary pump

running on (code "62:0")

Code "55:0"

Cylinder heating

DHW cylinder goes cold

(set value −2.5K; adjustable via

coding address "59")

The set boiler water temperature is

adjusted 20 K higher than the set

DHW (adjustable via coding address

"60").

The DHW cylinder is hot

(set value +2.5 K)


returned to the weather−compensated

value.

58

62

73

9G

B

54



Code "55:2":

Cylinder temperature control with 2

cylinder temperature sensors

Cylinder temperature sensor 1

enables the cylinder primary pump

and is evaluated for termination

conditions during the pump run−on

time (see page53). Cylinder

temperature sensor 2 (inside the cold

water inlet) is designed to start

cylinder heating prematurely when

large volumes of DHW are drawn off

as well as to stop cylinder heating

prematurely, if no DHW is drawn.

Select starting and stopping points

via coding addresses "68" and "69".

Code "55:3"

Cylinder thermostat cylinder

storage system

DHW cylinder goes cold

(Set value 2.5K; adjustable via

coding address "59")


adjusted 20K higher than the set

DHW (adjustable via coding

address"60")

The cylinder primary pump is

switched ON

The three−way mixing valve opens

and then regulates to the defaulted

set value

The cylinder primary pump cycles

(short term ON and OFF) until the

set flow temperature has been

reached (set DHW temperature

+ 5 K), then it runs constantly.

Then it runs constantly.

If, during cylinder heating, the

actual value stays below the

required set temperature, then the

cylinder primary pump will

temporarily cycle again.

The DHW cylinder is hot

(Cylinder temperature sensor 1:

Actual value Set value

and

Cylinder temperature sensor 2:

Actual value > Set value −1.5K)


reset to the weather−compensated

value,

The cylinder primary pump is

switched OFF:

Immediately, if the three−way

mixing valve is open

or

after expiry of a run−on time,

which is adjustable via code

"62".5

86

27

39

GB

55

Components

Components from the parts list

For parts list, see page 102.

Main PCB 230V~

The main PCB comprises:

Relays and outputs for controlling

pumps and actuators

Slot for power supply unit


The main PCB comprises:

Connection plug for sensors,

communication connections and

external hook−ups

Slot for electronics PCB, power

supply unit, LON communication

module, Viessmann 2−wire BUS

communication module, 2−wire

BUS, programming unit and

Optolink PCB

Electronics PCB

Microprocessor with software

When replacing the PCB:

1. Record the codes and adjustments

made at the control unit.

2. Replace the PCB.

3. Set code "8A: 176" and coding

address "92" to

"92 : 170" for type HK1W,

"92 : 171" for type HK3W.

Power supply unit PCB

The power supply unit PCB

comprises the low voltage supply for

all electronic equipment.

Mixer extension PCB

Only for type HK3W

The PCB comprises the relays for

controlling the mixer motor and the

heating circuit pumps.

Supplementary mixer

extension PCB

Only for type HK3W

This is plugged into the mixer

extension PCB.

All data is processed and the outputs

(relay) are selected.

Optolink PCB

The PCB comprises:

Burner standby display

Fault display

Optolink laptop interface

Front cover

Only for type HK1W

58

62

73

9G

B

56

Components

Components from the parts list (cont.)

Front panel with heating

circuit selector keys

Only for type HK3W

Display and selection of the heating

circuit.

Programming unit

Settings:

Heating program

Set values

Switching times

Heating curve

(slope and level)

Date

Time

Economy and party mode

Displaying:

Temperatures

Operating conditions

Faults

Programming unit ON/OFF

switch

Including fuse and mains isolator.

Fuse

F1: 6.3 A (slow), 250 V,

max. power loss 2.5 W,

to protect the total device, the

pumps, the actuators and all

electronics.

Viessmann 2−wire BUS

communication module

Electronics PCB for data exchange

with Vitotronic 300, type KW3

The communication interruption will

be displayed.

The rotary selector is set at the

factory to 4.

Communication module LON

PCB for data exchange.

A Control unit or Vitocom 300

B Connecting cable for data

exchange between control units,

part no.7143495

C Terminators,

part no.7143497

The communication interruption will

be displayed.

58

62

73

9G

B

B BC C

A AA

LON LON LON LON LON LON

57

Components


Cylinder temperature sensor

Connection

See page 15.

Check sensor

1. Pull plug %.

2. Check the sensor resistance at

terminals 1 and 2 or 2 and 3 (if a

second cylinder temperature

sensor has been connected).

3. Compare the measurement with

the actual temperature displayed

(for scanning, see page 34).

Check the installation and replace

sensor, if necessary, in case of

severe deviation.

Specification

Protection: IP 32

Permiss. ambient

temperature

in operation 0 to +90ºC

during storage

and transport: 20 to +70ºC

58

62

73

9G

B

Resis

tan

ce i

n

Cylinder temperature in °C

540

560

580

600

620

640

660

680

0 20 40 60 80

58

Components


Contact temperature sensor and immersion temperature

sensor

For recording the flow and return temperature.

Connection

See page 15.

Check sensor

1. Pull plug ? or aJ.


terminals "1" and "2" of the plug.

3. Compare the test result with the

actual temperature (for scanning,

see page 34).



severe deviation.

Specification

Protection: IP 32

Permiss. ambient

temperature

in operation: 0 to +100 ºC

in storage and

transport: 20 to +70ºC

58

62

73

9G

B

30 40 50 60 70 80 90 100540

560

580

600

620

640

660

680

700

720

740

20

Resis

tan

ce in

Flow temperature orreturn temperature in ºC

59

Components


Outside temperature sensor

Connection

See page 15.

Checking the outside temperature

sensor

1. Pull plug !.


terminals "1" and "2" of the plug.

3. Where actual values strongly

deviate from the curve values,

repeat the sensor test and

compare with the actual

temperature (for scanning, see

page 34).

4. Depending on the result, replace

cable or outside temperature

sensor.

5. Scan actual temperature

(see page 34).

Specification

Protection: IP43

Permissible ambient

temperature for

operation, storage


58

62

73

9G

B

400

420

440

460

480

500

520

540

560

580

600

−40 −30 −20 −10 0 10 20 30

Outside temperature in °C

Resis

tan

ce i

nΩ

60

Components

Radio clock receiver, part no. 7450 563

The radio clock receiver provides a fully automatic time setting for the control

unit and remote control unit (if connected).

A Outside temperature sensor

B Radio clock receiver

C Green LED

D Red LED

E Aerial

Connection


of 35 m and a cross section of 1.5

mm2 (copper).

Check reception

During reception, the green LED on

the radio clock receiver flashes.

When the red LED flashes, rotate the

aerial until reception is confirmed by

the flashing green LED.

Specification

Protection: IP43

Permissible ambient

temperature for

operation, storage


58

62

73

9G

B

1

EA

B

C D

61

Components

Mixer circuit extension kit, Part no. 7450650

Comprising:

Flow temperature sensor as contact temperature sensor to record the flow

temperature, see page 58

Mixer motor with connecting cable, 4 m long, and plug for connecting the

heating circuit pump.

Mixer motor, part no. 7450 657

A Plug in the mixer motor

Mixer open

Mixer closed

Changing the rotational direction

(see page64).

Remove the cover and reinsert the

3−pole plug A turned by 180º.

Checking the direction of rotation

The relay test of the control unit

moves the mixer to "Open" and

"Closed".

SpecificationRated voltage: 230V~

Rated frequency: 50Hz

Power consumption: 4WProtection: IP 42

Torque: 3Nm

Run−time for 90º: 120s

58

62

73

9G

B

A

62

Components


for central heating mixers DN40 and 50

A Mixer motor

Mixer open

Mixer closed

B Coupling switch


(see page64)

Interchange both cores at terminals

"Y1" and "Y2".




"Closed".

Manual mixer adjustment

Clutch switch B set to "MAN".

Specification



Power consumption: 3W

Protection: IP 42

Torque: 5Nm


58

62

73

9G

B

AUTO

MAN

BM

1~

A

NY1Y2

63

Components


for central heating mixer DN 65 and 100

A Mixer motor

Mixer open

Mixer closed

B Coupling switch


(see page64).

Interchange both cores at terminals

"Y1" and "Y2".




"Closed".

Manual mixer adjustment

Clutch switch B set to "MAN".

Specification



Power consumption: 4W

Protection: IP 42

Torque: 12Nm


58

62

73

9G

B

AUTO

MAN

B

M

1~

100%0%

A

NY1Y21112

KR

HV

KV HR

HR

KV

HVKR

HV

KV

HR

KR

HV

KV

HR

KV

HV

HR

HR

HVKR

KV

HV

HR

KR

KV

HV

KVHR

KR

64

Components

Installation examples

Mixer insert conversion (if required); see mixer installation instructions.

Note

For system with ModularDivicon, reverse the rotational direction.

Delivered condition

of the mixer motor rotational

direction

Change the mixer motor rotational

direction for these installation

examples

HR Heating return

HV Heating flow

KR Boiler return

KV Boiler flow

58

62

73

9G

B

65

Components

Temperature limiter for maximum temperature limiting

Immersion thermostat, part no. 7151 728

Contact thermostat, part no. 7151 729

A Heating circuit pump

B Control thermostat (temp. limiter)

C Plug sÖ of the thermostat

(temperature limiter) to the

control unit

Electro−mechanical temperature

limiter according to the liquid

expansion principle.

Switches the heating circuit pump

OFF, when the set value has been

exceeded.

In such cases, the flow temperature

reduces only slowly, i.e it may be

several hours before the system

restarts again automatically.

Specification

Setting range: 0 to 80ºC

Terminals: Screw terminals

for 1.5mm2

Switching differential

Immersion

thermostat: max. 11K

Contact

thermostat: max. 14 K

58

62

73

9G

B

C

B

A M1~

66

Components

Remote control

Vitotrol 200, part no. 7450 017

(incl. integral room temperature sensor for room temperature hook−up)

Settings:

Day temperature

Heating program


Function changes can be made via coding addresses "A0", "b0" to "b9",

"C0" to "C2", "C8", "E1", "E2" and "F2" (see overview).

A Wall mounting base for

Vitotrol 200

B To the control unit

C Separate room temperature

sensor

Connection

2−core lead (total length max. 50 m).


connection


of 35 m and a cross−section of

1.5 mm2 (copper).

58

62

73

9G

B

B

145

13b

9

C

A

67

Components

Remote control (cont.)

D DIP switches on the PCB

(back of the remote control)

Remote controlaffects

DIP switchsetting

Mixer circuit M1(heating circuitselection key !)

Delivered condition

ON

1 2 3 4

Mixer circuit M2(heating circuitselection key ?)

ON

1 2 3 4

Mixer circuit M3(heating circuitselection key §)

ON

1 2 3 4

Specification

Power supply via KM BUS.

Safety class: III

Protection: IP30

Permiss. ambient

temperature

in operation: 0 to +40ºC

in storage and

in transport: 20 to +65ºC

Setting range

Standard set

room temp.: 10 to 30ºC;

adjustable to

3 to 23ºC

or

17 to 37ºC via

coding

address"E1"

Reduced set room temperature

adjustment at the control unit.

When connecting a separate room

temperature sensor, set DIP switch

"S6.3" to ON.

58

62

73

9G

B

ONS6

1 2 3 4

D

ON

1 2 3 4

68

Components


Vitotrol 300, part no. 7179 060

(incl. integral room temperature sensor for room temperature hook−up)

Settings:

Day and night temperature

Domestic hot water temperature

Heating program

Holiday program

Switching times


Function changes can be made via coding addresses "A0", "b0" to "b9",

"C0" to "C2", "C8", "E1" and "E2" and "F8" (see overview).

A Wall mounting base for

Vitotrol300

B To the control unit

C Separate room temperature

sensor

Connection

2−core lead (total length max. 50 m).


connection


of 35 m and a cross−section of

1.5 mm2 (copper).

58

62

73

9G

B

13b

9

A

B

145

C

12

34

ON

69

Components


A PCB DIP switches (back of the top

casing).

Remote controlaffects

DIP switchsetting

Mixer circuit M1(heating circuitselection key !)

Delivered condition

12

34

ON

Mixer circuit M2(heating circuitselection key ?) 1

23

4

ON

Mixer circuit M3(heating circuitselection key §) 1

23

4

ON

When connecting a separate room

temperature sensor, set DIP switch

"S3.3" to ON.

Specification

Power supply via KM BUS.

Safety class: III

Protection: IP 30

Permiss. ambient temperature

in operation: 0 to +40 ºC

during storage

and transport: 20 to + 65 ºC

Setting range for

set standard

room temp.: 10 to 30 ºC;

adjustable from

3 to 23 ºC

or

17 to 37 ºC

via coding

address "E1"

Reduced room

temp.: 3 to 37 ºC

58

62

73

9G

B

A

12

34

ONS3

3 2 1RTSint. ext.

12

34

S3

70

Components


Connecting several remote control units

When connecting several remote controls to the control unit, install a socket

on site.

Version 1

A To control unit

B Socket (on site)

C Vitotrol 1

D Vitotrol 2

E Vitotrol 3

On−site connection via socket:

Connect in accordance with the

diagram above.

The total length of all KM BUS

cables should be limited to 50 m.

58

62

73

9G

B

145A

B

max.15 m

D

max.15 m

E

max.15 m

C

71

Components


Version 2

A To control unit

B Socket (on site)

C Vitotrol 1

D Vitotrol 2

E Vitotrol 3

F Additional BUS users

If several remote control units and

additional KM BUS users are

connected, make the connections

via a socket (on−site) as shown in

the diagram above.

The total length of all KM BUS

cables should be limited to 50 m.

58

62

73

9G

B

145A

max.15 m

B

C D

F

E

max. 15 mmax. 15 m

72

Components

Room temperature sensor, part no. 7408 012

The room temperature sensor measures the actual room temperature, if the

remote control unit cannot be installed in a suitable location.

Connection

See pages66 and 68.

Check the room temperature sensor

1. Disconnect the wires from the

sensor.


terminals 9 and 13b.

3. Compare the measurement with

the actual temperature displayed

(for scanning, see page34).



severe deviation.

Specification

Protection: IP 30

Permiss. ambient

temperature

in operation 0 to +40ºC

during storage

and transport: 20 to +65ºC5

86

27

39

GB

Resis

tan

ce i

n

0Room temperature in °C

5005 10 15 20 25 30 35 40

510

520

530

540

550

560

570

580

600

590

73

Components

Functions extension 0 to 10V, part no 7174 718

To control a feed pump, e.g in a sub−station

or

for signalling reduced mode.

fÖ Power supply

aVF 0−10 V input

aVG KM BUS

aBJ Zero volt contact

A Mains isolator (if required)

B DIP switch (see table)

DIP switch Function

1 to 3 OFF Controlling the feed pump

1 ON Mixer circuit reduced mode M1



Note

Set only one switch to ON.

58

62

73

9G

B

OFF

A

Electronics24V

5V

L1

40

230V~

157 144 145

N S Ö P 1 2 3 1 2 3

1 2 3 4

ONF1T250mA

B

+

74

Coding

Resetting codes to the delivered condition

1. Press L and G simultaneously

for approx. 2 s.

2. Press e.

Confirm "Standard setting? Yes"

with d.

With a or b, "Standard setting?

Yes" or "Standard setting? No"

can be selected.

Code 1

Calling up code 1

1. Press K and L simultaneously

for approx. 2 s.

2. Select the required coding address

with a or b,

the address flashes;

confirm with d,

the value flashes.

3. Change the value with a or b;

confirm with d.

The display briefly shows

"Accepted", then the address

flashes again.

Call up further addresses

with a or b.

4. Press K and L simultaneously

for approx. 1 s.

58

62

73

9G

B

75

Coding

Code 1 (cont.)

Summary

Coding in the delivered condition Possible change

System design

00 : 1 Mixer circuitM1

without DHW heating


with DHW heatingg

Only for typeHK3W


without DHW heating


with DHW heating

00 : 5 Mixer circuitM1 and M2

without DHW heating

00 : 6 Mixer circuitM1 and M2

with DHW heating

00 : 7 Mixer circuit M2 and M3

without DHW heating

00 : 8 Mixer circuit M2 and M3

with DHW heating

00 : 9 Mixer circuitM1, M2 and M3

without DHW heating

00 : 10 Mixer circuitM1, M2 and M3

with DHW heating

User no.

77 : 10 LON user number 77 : 1

to

77 : 99

LON user number,

adjustable from 1 to 99

Note

Allocate each number only

once

58

62

73

9G

B

76

Coding

Code 1 (cont.)


DHW priority M1/M2/M3

A2 : 2 Cylinder priority control for

heating circuit pump and

A2 : 0 Without DHW priority for

heating circuit pumpg p p

mixer A2 : 1 The mixer is closed and the

heating circuit pump runs

whilst the cylinder is being

loaded

A2 : 3

to

A2 : 15

No function

Summer econ. M1/M2/M3

A5 : 5 With heating circuit pump

logic function

A5 : 0 Without heating circuit

pump logic function

Flow min. temp. M1/M2/M3

C5: 20 Electronic minimum flow

temperature limit 20 ºC

C5: 1

to

C5 : 127

Minimum limit adjustable

from 1 to 127ºC (only for

operation with standard

room temperature)

Flow max. temp. M1/M2/M3

C6: 75 Electronic maximum flow

temperature limit set to

75 ºC

C6: 10

to

C6 : 127

Maximum limit

adjustable from

10 to 127 ºC5

86

27

39

GB

77

Coding

Code 2

The summary from page 78 lists all possible coding addresses.

The coding addresses are grouped as follows.

Initially the possible coding

addresses "A0" to "FF" for the mixer

circuit M1 are scanned, then those

for mixer circuits M2 and M3, again

starting with coding address "A0".

Calling up code 2


for approx. 2 s;

confirm with d.

2. Select the required coding address

with a or b,

the address flashes;

confirm with d,

the value flashes.

3. Change the value with a or b;

confirm with d.

The display briefly shows

"Accepted", then the address

flashes again.

Call up further addresses

with a or b.


for approx. 1 s.

58

62

73

9G

B

System designCod. 00

GeneralCod. 4b to 54

DHWCod. 55 to 75

GeneralCod. 76 to 9F

Heating circuit M1Cod. A0 to FF



78

Coding

Code 2 (cont.)

Overall summary


System design (see page 75)

General

4b:0 SensoraJB not installed 4b:1 SensoraJB installed (e.g.

return temperature sensor);

automatic recognition

4C:0 Connection on plugsÖM1:

Heating circuit pump 4C:1 Primary pump cylinder

storage system

4C:2

and

4C:3

No function

4E:2 Connection at pluggSM1:

Mixer motor 4E:1 Three−way mixing valve


54:0 Without solar control unit 54:1 With Vitosolic100;


54:2 With Vitosolic200;


DHW

55:0 Cylinder heating,

hysteresis±2.5K

55:2 Cylinder temperature

control

with 2 cylinder temperature

sensors

55:3 Cylinder temperature

control


58

62

73

9G

B

79

Coding

Code 2 (cont.)


DHW (cont.)

56:0 DHW temperature setting

range

10 to 60 ºC

56:1 DHW temperature setting

range

10 to 95 ºC

Notes

Observe the max.

permissible DHW

temperature

Change control

thermostat "R" on the

boiler control unit (if

required)

57:0 With LON communication

module;

No DHW demand to central

cylinder

57 : 1 DHW demand to central

cylinder

58:0 Without auxiliary function

for DHW heating

58 : 1

to

58 : 95

Input of a secondset DHW

temperature; adjustable

from 1 to 95ºC (observe

coding address"56" and

section "Auxiliary function"

on page52).

59:0 Cylinder heating:

Starting point −2.5K

Stopping point +2.5K

59 : 1

to

59 : 10

Starting point adjustable

from 1 to 10 K below the set

value

5A:0 No function 5A : 1 Flow temperature demand

of DHW cylinder is

maximum system value

60:20 During DHW heating, boiler

water temperature is max.

20K higher than the set

DHW temperature

60 : 10

to

60 : 50

The difference between the

boiler water temperature

and the set DHW

temperature is adjustable

from 10 to 50K

62:10 The circulation pump will

run on for a max. of 10min

62:0 Circulation pump without

run−on

62:1

to

62:15

Max. run−on time

adjustable from 1 to 15 min

58

62

73

9G

B

80

Coding

Code 2 (cont.)


DHW (cont.)

64:2 During party mode and after

external changeover during

operation with permanently

standard room temperature:

Enable constant DHW

heating and DHW circulation

64:0 No DHW heating, DHW

circulation pump OFFg

pump ON 64:1 DHW heating and DHW

circulation pump according

to time program

66:4 Input of set DHW

temperature:

at the programming unit 66:0 at the programming unitp g g

and all Vitotrol 300 remote

control units66:1 at the programming unit

and the remote control

mixer circuit M1

66:2 at the programming unit

and remote control unit,

mixer circuit M2

66:3 at the programming unit


mixer circuit M3

66:5 at the remote control,

mixer circuit M1


mixer circuit M2


mixer circuit M3

67:40 With Vitosolic:

Set third DHW temperature

67:0 Without third set

temperaturep

40ºC (see page52) 67:1

to

67:95

Set temperature adjustable

from 1 to 95ºC (subject to

the input of coding

address"56")

58

62

73

9G

B

81

Coding

Code 2 (cont.)


DHW (cont.)

68:8 With 2 cylinder temperature

sensors

(code "55:2"):

cylinder heating switch−off

point with set value×0.8

68:2

to

68:10

Factor adjustable

from 0.2 to 1;

1step 0.1

69:7 With 2 cylinder temperature

sensors

(Code"55 : 2"):

cylinder heating starting

point with set value×0.7

69:1

to

69:9

Factor adjustable

from 0.1 to 0.9;

1step 0.1

70:0 DHW circulation pump ON

according to time program

when DHW heating is

enabled

70:1 DHW circulation pump ON

according to time program

71:0 DHW circulation pump:

ON according to time

program

71:1 OFF during DHW heating to

set value 1p g

71:2 ON during DHW heating to

set value 1

72:0 72:1 OFF during DHW heating to

set value 2

72:2 ON during DHW heating to

set value 2

73:0

73:1

to

73:6

During time program

1x/h for 5min ON

to

6 x/h for 5min ON

73:7 Permanently ON

58

62

73

9G

B

82

Coding

Code 2 (cont.)


DHW (cont.)

75:0 DHW circulation pump

during economy mode or

standby mode:

ON according to time

program

75:1 OFF

General

76:0 Without communication

module


module;


76:2 With Viessmann 2−wire BUS

communication module;


77:10 LON user number 77:1

to

77:99

LON user number,


Note

Allocate each number only

once.


module:

LON communication

enabled

78:0 LON communication

disabled

79:0 Control unit is not fault

manager

79:1 Control unit is fault

manager

7b:0 With LON communication

module:

Do not transmit time via

BUS

7b:1 Transmit time via BUS

7F:1 Detached house 7F:0 Apartment block

(see page 51)

80:1 A fault message is 80:0 Immediate fault messageg

displayed, providing a fault

is active for at least 5s80:2

to

80:199

The minimum fault

duration, until a message is

displayed, is adjustable

from 10 to 995s;

1 step5s

58

62

73

9G

B

83

Coding

Code 2 (cont.)


General

81:1 Automatic summer/winter

time changeover

81:0 Manual summer/winter

time changeoverg

Note

Coding addresses "82" to

81:2 Incl. radio clock module;

automatic recognitionCoding addresses "82" to

"87" only possible if code

"81:1" is installed.

81:3 Accept time via LON

82:3 Summer starts: March 82:1

to

82:12

January

to

December

83:5 Summer starts:

last week of the month 83:1

to

83:5

Week 1

to

Week 5

84:7 Summer starts:

last day of the week

(Sunday)

84:1

to

84:7

Monday

to

Sunday

85:10 Winter starts:

October 85:1

to

85:12

January

to

December

86:5 Winter starts:

last week of the month 86:1

to

86:5

Week 1

to

Week 5

87:7 Winter starts:

last day of the week

(Sunday)

87:1

to

87:7

Monday

to

Sunday

88:0 Temperature displayed in ºC

(Celsius)

88:1 Temperature displayed in ºF

(Fahrenheit)

8A:175 Do not adjust

58

62

73

9G

B

84

Coding

Code 2 (cont.)


General (cont.)

8E:4 Displaying and

acknowledging faults:

at the programming unit 8E:0 at the programming unitp g g

and the remote control units

(if installed)8E:1 at the programming unit

and the remote control

mixer circuit M1

8E:2 at the programming unit


mixer circuit M2

8E:3 at the programming unit


mixer circuit M3

90:128 Time constant for

calculating adjusted outside

temperature 21.3h

90:0

to

90:199

Fast (low values) or slow

(high values) matching of

flow temperature subject to

set value if the outside

temperature changes;

1 step10min

91:0 Connection at terminals 1

and 2 in plug aVD (external 91: 1

Contact affects:

Mixer circuitM1p g aVD (

heating program) inactive 91 : 2 Mixer circuitM2

91 : 3 Mixer circuitM1, M2


91 : 5 Mixer circuitM1,M3

91 : 6 Mixer circuit M2, M3

91 : 7 Mixer circuitM1, M2, M3

92:170

(HK1W)

or

92:171

(HK3W)

Do not adjust

Will only be displayed, if "8A:176" has been adjusted.

58

62

73

9G

B

85

Coding

Code 2 (cont.)


General (cont.)

94:0 Without plug−in adaptor for

external safety equipment

94 : 1 With plug−in adaptor, e.g.

for external fault hook−ups;


96:1 With mixer extension PCB,

delivered condition for type

HK3W

96 : 0 Without mixer extension

PCB, delivered condition for

type HK1W

97:0 With communication

module:

Outside temperature from

97:1 Outside temperature is

accepted from the BUSp

the installed sensor will be

used97:2 The outside temperature of

the sensor connected to the

control unit will be used

and transmitted via the

LON BUS

98:1 LON communication

module

Viessmann system number

(in conjunction with

monitoring several systems)

98 : 2

to

98 : 5

System number


99:0 Connection at terminals 2

and 3 in plug aVD 99:1Contact affects:

Mixer circuitM1p g aVD(External "Mixer closed")

inactive99:2 Mixer circuitM2

inactive99:3 Mixer circuitM1, M2

99:4 Mixer circuitM3

99:5 Mixer circuitM1,M3

99:6 Mixer circuit M2, M3

99:7 Mixer circuitM1, M2, M3

58

62

73

9G

B

86

Coding

Code 2 (cont.)


General (cont.)

9A:0 Connection at terminals 1

and 2 in plug aVD 9A:1Contact affects:

Mixer circuitM1p g aVD(External mixer open)

inactive9A:2 Mixer circuitM2

inactive9A:3 Mixer circuitM1, M2

9A:4 Mixer circuitM3

9A:5 Mixer circuitM1, M3

9A:6 Mixer circuit M2, M3

9A:7 Mixer circuitM1, M2, M3

9C:20 With LON communication

module:

LON user monitoring

When there is no response

from a user, values

9C:0 No monitoring

from a user, values

defaulted by the control unit

continue to be used for a

further 20min. Only then

will a fault message be

triggered.

9C:5

to

9C:60

Time adjustable

from 5 to 60min

9d:0 Without function extension

0−10V

9d:1 With function extension;


9F:8 Differential temperature 8 K,

this is added to the highest

flow temperature

9F:0

to

9F:40

Differential temperature

adjustable from 0 to 40K

Mixer circuit

A0:0 Without remote control A0:1 With Vitotrol200

A0:2 With Vitotrol300

58

62

73

9G

B

87

Coding

Code 2 (cont.)


Mixer circuit (cont.)

A2:2 Cylinder priority control for

heating circuit pump and mixer

A2:0 Without cylinder priority

controlg p p

A2:1 With cylinder priority

applied to mixer:

The mixer will be closed

whilst the cylinder is

being heated up; the

heating circuit pump

operates

A2:3

to

A3 : 15

No function

A3:2 Outside temp. below 1ºC:

Heating circuit pump ON

Outside temp. above 3ºC:

Heating circuit pump OFF

Please note

When selecting a value

below 1 ºC, there is a risk

of pipes outside the

thermal insulation of the

house freezing up.

Particularly the standby

mode should be taken

into consideration, e.g.

during holidays.

!

A3 : 9

A3 : 8

A3 : 7

A3 : 6

A3 : 5

A3 : 4

A3 : 3

A3 : 2

A3 : 1

A3 : 0

A3 : 1

A3 : 2

to

A3 : 15

Heating circuit pump

ON at OFF at

10 ºC 8 ºC

19 ºC 7 ºC

8 ºC 6 ºC

7 ºC 5 ºC

6 ºC 4 ºC

5 ºC 3 ºC

4 ºC 2 ºC

3 ºC 1 ºC

2 ºC 0 ºC

1 ºC 1 ºC

0 ºC 2 ºC

1 ºC 3 ºC

to

14 ºC 16 ºC

A4:0 With frost protection A4:1 No frost protection,

Adjustment only possible

if code "A3 :9" has been

programmed.

Please note:

Observe the

information

regarding coding

address "A3".

!

58

62

73

9G

B

88

Coding

Code 2 (cont.)



A5:5 With heating circuit pump

logic function (economy

A5:0 Without heating circuit

pump logic functiong ( y

mode):

Heating circuit pump OFF, if

the outside temperature (AT)

is 1 K higher than the set

room temperature (RTset)

AT > RTset + 1K

A5:1

A5:2

A5:3

A5:4

A5:5

A5:6

A5:7

to

A5:15

With heating circuit pump

logic function:

Heating circuit pump OFF, if

AT > RTset +5 K

AT > RTset +4 K

AT > RTset +3 K

AT > RTset +2 K

AT > RTset +1 K

AT >RTset

AT > RTset 1 K

to

AT > RTset 9 K

A6:36 Extended economy mode

not active

A6:5

to

A6:35

Extended economy circuit

active, i.e. the burner and

heating circuit pump will be

switched OFF at a variable

value, adjustable between 5

and 35 ºC plus 1ºC.

This value is based on the

adjusted outside

temperature, comprising

the actual outside

temperature and a time

constant.

The time constant takes the

cooling down of an average

building into account.

58

62

73

9G

B

89

Coding

Code 2 (cont.)



A7:0 Without mixer economy

function

A7:1 With mixer economy

function

(extended heating circuit

pump logic):

Heating circuit pump also

OFF, if the mixer was closed

longer than 12min.

Heating circuit pump ON

Mixer changes to control

function

or

After the cylinder has

been heated up

(for 20 min)

or

If there is a risk of frost

A9:7 With pump idle period:

heating circuit pump OFF in

case of set value

A9:0 Without pump idle time

case of set value

modification (by changing

the operating mode or

changing the set room

temperature)

A9:1

to

A9:15

Pump idle time adjustable

from 1 to 15

AA:2 With LON communication

module:

With output reduction

through temperature

AA:0 Without output reduction

through temperature

sensoraJA of the boiler

control unitAA:1 No function

58

62

73

9G

B

90

Coding

Code 2 (cont.)



b0:0 With remote control:

Heating mode/red. mode:

weather−compensated

b0:1 Heating mode:


Red. mode:

with room temperature

hook−up

b0:2 Heating mode:


hook−up

Red. mode:


b0:3 Heating mode/ red. mode:


hook−up

b2:8 With remote control unit

and for the heating circuit,

operation with room

temperature hook−up must

be encoded: b2:0 Excluding room influence

Room influence factor 8 b2:1

to

b2:31

Room influence factor


b5:0 With remote control:

Without room

temperature−dependent

heating circuit pump logic

function

b5:1


ON at RTactual < RTset + T

OFF at RTactual > RTset + T

T for ON T for OFF

+4K +5K

b5:2 +3K +4K

b5:3 +2K +3K

b5:4 +1K +2K

b5:5 +0K +1K

b5:6 1K +0K

b5:7 2K 1K

b5:8 2K 1K

58

62

73

9G

B

91

Coding

Code 2 (cont.)





operation with room


be encoded:

Without quick heat−up/quick

setback

b6:1 With quick heat−up/quick

setback

(see page 48)



operation with room


be encoded:

Without start−up time

optimisation

b7:1 With start−up time

optimisation (max. offset

2h 30min)

b7:2 With start−up time

optimisation (max. offset

15h 50min)



heating with room


be encoded:

Heat−up gradient

Start−up time optimisation

10 min/K

b8:11

to

b8:255

Heat−up gradient start−up

time optimisation

adjustable from

11 to 255 min/K



heating with room


be encoded:

Without learning start−up

time optimisation

b9:1 With learning start−up time

optimisation

58

62

73

9G

B

92

Coding

Code 2 (cont.)



C0:0 With remote control unit


operation with room


be encoded:

Without shutdown time

optimisation

C0:1 With shutdown optimisation

(max. offset 1h)p

C0:2 With shutdown optimisation

(max. offset 2h)



heating with room


be encoded:

Without shutdown time

optimisation

C1:1

to

C1:12

With shutdown time

optimisation (max. offset 10

to 120 min)

1 step10min



heating with room


be encoded:

Without learning shutdown

time optimisation

C2:1 With learning shutdown

time optimisation

C3:125 Mixer operating time

125s

C3:10

to

C3:255

Adjustable operating time

from 10 to 255 s

58

62

73

9G

B

93

Coding

Code 2 (cont.)



C4:1 Mixer algorithm

Standard

C4:0

C4:2

and

C4:3

Controller responds too

quickly

(cycles between "Open"

and "Closed"):

Select a lower value

Controller responds too

slowly (temperature is not

held sufficiently):

Select a higher value

C5:20 Electronic minimum flow

temperature limit 20 ºC

C5:1

to

C5:127

Minimum limit adjustable

from 1 to 127 ºC

(only during operation with

standard room temperature)

C6:75 Electronic maximum flow

temperature limit 75ºC

C6:10

to

C6:127

Maximum limit adjustable

from 10to 127 ºC

C7:0 With return temperature

sensor:

Without return temperature

sensor influence

C7:1

to

C7:31

Spread adjustable

from 1 to 31K

Spread = temperature

differential between the

flow and return

temperature at the design

point 10 ºC



operation with room


be encoded:

Without limiting room

influence

C8:1

to

C8:30

Room influence limit

adjustable from 1 to 30 K

58

62

73

9G

B

94

Coding

Code 2 (cont.)



C9:0 Control of an underfloor

heating system by flow and

return temperature sensor:

Without heat−up phase C9:1 With optimisation during

the heat−up phase (operates

with coding address "C7")

d5:0 The heating program

changes to "Constant

operation with reduced

room temperature"

d5 : 1 The heating program

changes to "Constant

central heating with

standard room

temperature"

E1:1 With remote control:

Set day temperature

adjustable at the remote

control

E1:0 Set day temperature

adjustable

from 3 to 23 ºC

from 10 to 30 ºC E1:2 Set day temperature

adjustable

from 17 to 37 ºC

E2:50 With remote control:

No display correction of the

actual room temperature

E2:0

to

E2:49

Display correction 5 K

to

Display correction 0.1 K

E2:51

to

E2:99

Display correction +0.1 K

to

Display correction +4.9 K

58

62

73

9G

B

95

Coding

Code 2 (cont.)



F1:0 Screed function inactive F1:1

to

F1:4

Screed function adjustable

in accordance with four

optional temperature time

profiles (see page 99)

Note

Observe the screed

supplier’s instructions.

Observe DIN 47252 (or

local regulations).

The report to be provided

by the heating contractor

must contain the following

heat−up details:

Heat−up data with

respective flow

temperatures

Actual max. flow

temperature achieved

Operating condition and

outside temperature

during handover

The function continues after

power failure or after the

control unit has been

switched OFF.

Heating program "Heating

and DHW" will be started,

after the screed function

has been terminated or if

the address is manually set

to 0.

F2:8 Time limit for party mode*1

F2:0 No time limit *1p y

8h *1F2:1

to

F2:12

Time limit adjustable from

1 to 12h*1

*1Party mode ends automatically in program "Heating and DHW" when the systemchanges over to operation with standard room temperature.5

86

27

39

GB

96

Coding

Code 2 (cont.)



F8:5 For operation in reduced

room temperature mode,

the set room temperature

will be raised (up to the

temperature limit set by

coding address "F9") to a

value subject to the outside

temperature if the outside

F8:+10

to

F8:60

Temperature limit for

cancelling reduced mode,

adjustablefrom +10 to 60ºC

temperature, if the outside

temperature falls below

5ºC. See example1 on

page97.

Observe the setting of

coding address "A3".

F8:61 Function is not active

F9:14 If the outside temperature

is under 14ºC, the set

reduced room temperature

will be raised to the value

of the set standard room

temperature.

See example1 on page97.

F9:+10

to

F9:60

Temperature limit for

raising set reduced room

temperature, adjustable

from +10 to 60ºC

FA:20 Raising the set boiler water

temperature when

changing from operation

with reduced temperature

to operation with standard

room temperature by about

20%.

See example2 on page98.

FA:0

to

F9:50

Temperature increase

adjustable from 0 to 50%

Fb:30 Duration for the increase of

the set flow temperature

(see coding address "FA")

60 min.

See example 2 on page98

Fb:0

to

Fb:150

Duration adjustable from

0 to 300min;

1 step2min

58

62

73

9G

B

97

Coding

Code 2 (cont.)

Example1 ("F8:5", "F9:14")

A Set standard room temperature 20ºC

B Set reduced room temperature 3ºC

C Temperature limit 14ºC in accordance with coding address "F9"

D Temperature limit5ºC in accordance with coding address "F8"

58

62

73

9G

B

5

10

0

15

20

−30 −25 −20 −15 −10 −5 0 5

Set

roo

m t

em

pera

ture

in

°C

Outside temperature in °C

B

A

C D

98

Coding

Code 2 (cont.)

Example2 ("FA:20", "Fb:30")

A Start of operation with standard room temperature

B Set flow temperature in accordance with the set heating curve

C Raised set flow temperature in accordance with coding address"FA":

50ºC + 20% = 60ºC

D Duration of operation with raised set flow temperature in accordance with

coding address "Fb": 60min5

86

27

39

GB

Set

flo

w t

em

pera

ture

in

°C

Time in h

99

Coding

Screed function diagrams

Coding, see page 95.

Temperature time profile 1 ("F1:1")




58

62

73

9G

B

Flo

wte

mp

era

ture

°C

1 5 10 15 20 25 30Days

50

40

30

2010

Flo

wte

mp

era

ture

°C

Days

50

40

30

2010

1 5 10 15 20 25 30

Flo

wte

mp

era

ture

°C

Days

50

40

30

2010

1 5 10 15 20 25 30

Flo

wte

mp

era

ture

°C

Days

50

40

30

2010

1 5 10 15 20 25 30

100

Coding

58

62

73

9G

B

101

Parts lists

Parts list typeHK1W and HK3W

When ordering spare parts

Quote the type and serial no. (see

type plate) and the item no. of the

required part (as per parts list).

Obtain standard parts from your

local supplier.

Parts

001 Hinge

008 Support stay

011 Programming unit ON/OFF

switch

013 Housing front with frame

(with item 001)

014 PCB cover

015 Front flap

016 Casing back

017 Mounting panel

018 Programming unit

019 Programming unit flap

020 Fascia cover

021 Ribbon cable, 14pole,

only for typeHK3W

024 Fuse holder cap for control fuse

025 Fuse holder for control fuse

038 Switch, 2−pole

(ON/OFF switch"8")

040 Outside temperature sensor !

043 Cylinder temperature sensor

with plug%

047 LON communication module

048 Electronics PCB mixer extension,

only for type HK3W

049 Main PCB low voltage

050 Electronics PCB

051 Optolink

052 Main PCB 230V~

054 Power supply unit PCB

055 Mixer extension PCB, only for

type HK3W

056 Viessman 2−wire BUS


067 Immersion temperature sensor

068 Contact temperature sensor

074 Connecting cable

092 Fuse 6.3A/250V~(slow)

Parts not shown

081 Operating instructions

084 Installation and service

instructions

093 LON connecting cable

094 Terminator (2 pieces)

100 Plugs for sensors (3 pieces)

101 Plugs for pumps (3 pieces)

102 Plugs gS (3 pieces)

103 Plugs aBH (3 pieces)

104 Mains supply plugs fÖ

(3 pieces)

106 Plugs gÖ (3 pieces)

108 PlugaVD, plugaVG and plugaVH

A Type plate

58

62

73

9G

B

102

Parts lists

Parts list type HK1W

58

62

73

9G

B

015

001

001

013 008

043 067

068

040

018051

020

038

025

092024

011074

019

103

Parts lists

Parts list typeHK1W (cont.)

58

62

73

9G

B

016

014

A

013

014

049

017

054

052

050

056 047

104

Parts lists

Parts list type HK3W

58

62

73

9G

B

043 067040

015

001

001

013 008018021051

020

038

025

092024

011074

019

068

105

Parts lists

Parts list type HK3W (cont.)

58

62

73

9G

B

016

014

A

013

014

049

017

054

052

050

056 047

048 055

106

Connection and wiring diagrams

Summary

A1 Mixer extension PCB only for

typeHK3W

A2 Low voltage main PCB

A3 Main PCB 230 V~

A4 Mixer extension electronics

PCB, only for typeHK3W

A5 PCB heating circuit selection

keys, only for typeHK3W

A6 Programming unit

A7 Optolink PCB

A8 Electronics PCB

A10 LON/Viessman 2−wire BUS


(accessories)

A11 Power supply unit PCB

A12 ON/OFF switch

58

62

73

9G

B

107



! Outside temperature sensor/

Radio clock receiver


mixer circuit M1

% Cylinder temperature sensor/

Cylinder temperature sensor 2

for cylinder storage system

aJB Return temperature sensor

or

Temperature sensor



aVG KM BUS user, for type HK1W,

only one required per system

58

62

73

9G

B

..

108


Main PCB 230 V~


Mixer circuitM1

or

Primary pump



(accessories)

sK DHW circulation pump (on site)

fÖ Mains supply, 50 Hz

gÖ Central fault message (on site)

gS Mixer motor mixer circuitM1

or

Motor for three−way mixing valve


aBH Power supply for accessories

F Fuse

K Relay

S1 ON/OFF switch "8"

58

62

73

9G

B

F1

6,3

A(s

low

)250V

109


Mixer extension PCB

? Flow temperature sensors

mixer circuits M2/M3

sÖ Heating circuit pumps

Mixer circuits M2/M3

gS Mixer motors

Mixer circuits M2/M3

K1 K6 Relay

58

62

73

9G

B

110

Specification

Specification



Rated current: 6A~

Power

consumption: 10W

Safety class: I

Protection level: IP 20 D to EN60529,

safeguard through

appropriate design

and installation

Function: Type 1 B to

EN607301

Permissible

ambient

temperature

in operation: 0 to 40 ºC

Use in living space

and boiler rooms

(standard ambient

conditions)

during storage

and transport: 20 to 65 ºC

Rated relay output breaking capacity

at 230V~:

Heating circuit

pump sÖor

Primary pump

cylinder storage

system: 4 (2)A~*1

Cylinder primary

pumpsA: 4 (2)A~*1

DHW circulation

pumpsK: 4 (2)A~*1

Central fault

messagegÖ: 4 (2)A~*1

Mixer motors

or

Motor three−way

mixing valve

cylinder storage

systemgS: 0.2 (0.1)A*1

*1 Total max. 6 A~.

58

62

73

9G

B

111

Declaration of conformity

Declaration of conformity

We, Viessmann Werke GmbH&CoKG, D35107 Allendorf, declare as sole

responsible body, that the products

Vitotronic 050, type HK1W and Vitotronic 050, type HK3W

conform to the following standards:

EN550141

EN550142

EN500902

EN50165

EN603351

This product is designated according to the specifications of Directive

89/336/EEC: _

Allendorf, 11March2005 Viessmann Werke GmbH&CoKG

pp. Manfred Sommer

58

62

73

9G

B

112

Keyword index

Keyword index

A

Actual room temperature,

display correction, 94

Actuators, checking, 29

Additional function for

DHW heating, 52, 79

Adjusted outside

temperature, 34, 47, 88

Apartment building, 51

Applicability, 116

Automatic mode, 51

Auxiliary control for

DHW heating, 52

B

Brief scan, 34

C

Central cylinder, 53, 79

Central fault message, 18, 29, 37

Changing the display language, 24

Communication module Viessman

2−wire BUS, 56, 85

Components, 55

Connecting control unit to

Viessman 2−wire BUS system, 27

Connection and

wiring diagram, 106

Connections, summary 11

Contact temperature sensor, 58

Control unit for

wall mounted boilers, 27

Code1

calling up, 74

summary, 75

Code2

calling up, 77

overview, 78

Coding

overview, 78

resetting codes to

the delivered condition, 74

Coding summary, 78

Cylinder primary pump, 34

Cylinder priority control, 47, 52, 76, 87

Cylinder storage system, 52

Cylinder temperature control, 51

Cylinder temperature

sensor, 15, 40, 57

D

Date, 36

Declaration of conformity, 111

Detached house, 51

Diagnosis, 37

DHW circulation pump, 52

DHW heating, 51

DHW heating time program, 51

Differential temperature, 27, 86

Display contrast, 33

Display correction actual room

temperature, 94

58

62

73

9G

B

113

Keyword index

Keyword index (cont.)

E

Economy mode, 48, 88

Electrical connections summary, 11

Electronics PCB, 55

Equipment recognition, 35, 55

Extended economy mode, 48, 88

External connections, 19

External heating program

changeover, 19, 84

External "Mixer open", 19, 86

External "Mixer closed", 19, 85

F

Fault codes, 39

Fault history, 46

Fault manager, 25, 26

Fault memory, 46

Fault message, calling up, 37

Fault messages, LON users,45

Faults with fault display, 37

Flow temperature control, 49

Flow temperature sensor, 15, 58

Front cover, 55

Frost protection, 49, 87

Function extension, 73, 86

Fuses, 56

H

Heating circuit allocation, 24

Heating circuit control unit, 47


logic function, 48, 88

Heating curves, 30

Heating program changeover, 19, 84

Heating system version, 6

Heat−up phase, 94

Hiding a fault display, 37

I

Immersion temperature sensor, 58

Initial start−up, 23

Inserting cables and applying strain

relief, 14

Installation examples,

mixer motor, 64

Installing the control unit, 13

L

Level (heating curve), 31

LON communication

module, 24, 56, 85

LON connecting cable, 25

LON user fault messages,45

LON user no. fault codes, 45

LON system, 24

M

Main PCB, 55, 106

Mains electrical isolator, 3, 20

Maximum limit, 50, 76

Minimum limit, 50, 76

Mixer algorithm, 49, 93

Mixer circuit extension kit, 61

Mixer circuit,

system dynamics, 49, 93

Mixer economy function, 89

Mixer motors

changing rotational

direction, 61, 62, 63

connection, 61, 62, 63

installation examples, 64

Mixer, run time, 92

Motor for three−way

mixing valve, 12, 17

58

62

73

9G

B

114

Keyword index


O

Optimised mixer control, 49, 94

Optolink (PCB), 55

Outputs, checking, 29

Outside temperature

actual, 88, 47

adjusted, 34, 47, 88

Outside temperature sensor, 11, 59

P

Parts lists, 102

Party mode, 80, 95

PCBs, 55, 106

PluggÖ, 18

Plug aVD, 19

Power supply, 20

Priority control, 47, 52, 76, 87

Programming unit, 56

Pumps, 16

Pump idle time, 89

Q

Quick heat−up/

setback, 48, 91

R

Radio clock receiver, 60

Relay test, 29

Remote control units, 66, 68, 86

Return temperature

sensor, 49, 58, 93, 94

Room influence, 48, 90

Room temperature hook−up, 90

Room temperature sensor, 66, 68, 72

Rotary selector, 27

Rotational direction,

mixer motor, 61, 62, 63

Run−time, mixer, 92

S

Safety, 2

Scanning, 34

Scanning actual temperatures, 34

Scanning collector

temperature, 24, 56, 85

Scanning holiday programs, 36

Scanning operating conditions, 36

Scanning set temperatures, 34

Scanning set values, 34

Scanning temperatures, 34

Screed function, 48, 95, 99

Sensors

connecting, 15

checking, 29

Service level summary, 33

Set DHW temperature, 52

Set room temperature adjustment, 32

Setting LON user no., 24

Shutdown time optimisation, 48, 92

Slope (heating curve), 31

Solar circuit pump, 56

Solar control unit, 52

Specification, 110

Start−up time optimisation, 91

System versions, 6, 75

System dynamics, 49, 93

Summer/winter changeover, 83

58

62

73

9G

B

115

Keyword index


T

Temperature limiter, 65

Time, 36

Time program, 47

U

Underfloor heating, 49, 94

Updating LON user list, 24

User check, 26

Users, fault messages,45

User list, 24

V

Viessmann 2−wire BUS, 27, 56, 85

Vitocom300, 25

Vitotronic300, 56

Vitotrol 200, 66, 86

Vitotrol 300, 68, 86

W

Weather−compensated mode, 90

Winter/summer, 83

Wiring diagram, 106

Working on the equipment, 3

Working with an open control unit, 2

58

62

73

9G

B

Viessmann Werke GmbH&Co KGD35107 AllendorfTel: +49 6452 700Fax: +49 6452 702780www.viessmann.de

Viessmann LimitedHortonwood 30, TelfordShropshire, TF1 7YP, GBTel: +44 1952 675000Fax: +44 1952 675040E−mail: info−[email protected]

116

Applicability

Applicability

Valid for control units

Vitotronic050, typeHK1W

Part no. 7187105

Vitotronic050, typeHK3W

Part no. 7187109

Pri

nte

d o

n e

nvir

on

men

tally f

rien

dly

,

chlo

rin

e−f

ree b

leach

ed

pap

er

58627

39G

BS

ub

ject

to t

ech

nic

al m

od

ific

ati

on

s.

Documents

001_Installation Service 050 HK1W-HK3W