Installation instructions VIESMANN · 2016. 5. 1. · Supplied By spares.co Tel. 0161 620 6677 Installation instructions VIESMANN for heating engineers Vitodens 300 Type WB3A ,49and66kW

Supplied By www.heating spares.co Tel. 0161 620 6677

VIESMANNInstallation instructionsfor heating engineers

Vitodens 300Type WB3A, 49 and 66 kWGas fired wall mounted condensing boilernatural gas and LPG version

VITODENS 300

5862 570 GB 5/2004 Dispose after installation


Please follow these safety instructions closely to prevent accidents andmaterial losses.

Safety instructions explained

! Important informationThis symbol warns against therisk of material losses andenvironmental pollution.

NoteDetails identified by the words "Note"contain additional information.

Safety regulations

Installation, initial start-up, inspection,maintenance and repairs must be car-ried out by a competent person(heating engineer/installation contrac-tor).Observe all current safety regulationsas defined by DIN, EN, DVGW, TRGI,TRF, VDE or all locally applicablestandards.See also the safety instructions in theVitotec Technical Guide folder.

Before working on the equipment/heating system, isolate the mainselectrical supply (e.g. by removing aseparate mains fuse or by means of amains electrical isolator) and safe-guard against unauthorised reconnec-tion.Close the main gas shut-off valve andsafeguard against unauthorisedreopening.Electrical assemblies provided on sitemust be type-approved.

Work on gas equipment

This must only be carried out by anapproved gas fitter.Observe all commissioning work spe-cified for gas installations to TRGI orTRF and all local regulations.Please observe all commissioningwork specified for gas systems.

Safety instructions

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Preparing for installationProduct information .................................................................................... 4Preparations for boiler installation ............................................................... 4

InstallationInstalling the boiler and making all connections ........................................... 6& Wall mounting bracket installation ............................................................ 6& Hanging the boiler into the wall mounting bracket ..................................... 7Heating water (primary) connection............................................................. 8Flue gas connection.................................................................................... 8Condensate connection .............................................................................. 8Gas connection .......................................................................................... 9Opening the control unit housing ................................................................. 10Electrical connections................................................................................. 11& Routing connecting cables ....................................................................... 13Closing control unit housing and inserting user interface ............................. 14Front panel installation................................................................................ 15Commissioning and adjustments................................................................. 15

Index

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Vitodens 300, Type WB3A

Set up for operation with natural gas E or LPG P.The natural gas E version can be converted to natural gas LL using a conver-sion kit.The LPG P version can be converted to natural gas E or LL using a conversionkit.

Preparations for boiler installation

A Heating flow G1½" B Safety valve

Product information

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C DHW cylinder flow G1½"D Gas connectionE DHW cylinder return G1½"F Heating return G1½"

G Expansion vesselH Cable arrangement areaK Recommended dimensionL Condensate drain

1. Prepare the water connections.Thoroughly flush the heating sys-tem.

2. Prepare the gas connectionaccording to TRGI or TRF or alllocal regulations.

3. Prepare the electrical connections.& Mains cable: NYM-J 3 x 1.5 mm2,fuse max. 16 A, 230 V~, 50 Hz.

& Accessory cables: NYM with therequired number of conductorsfor the external connections.

& All cables in area H should pro-trude 1200 mm from the wall.

Preparations for boiler installation (cont.)

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Wall mounting bracket installation

NoteThe enclosed screws and rawl plugs are only suitable for concrete. For otherconstruction materials, use fixings which are suitable for 110 kg loads.

A Reference point: boiler top edgeB Boiler installation template

(included with the boiler)

C Top edge finished floorD Recommendation

Installing the boiler and making all connections

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Hanging the boiler into the wall mounting bracket

Installing the boiler and making all connections (cont.)

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A Heating flowB DHW flowC Gas connectionD DHW returnE Heating returnF Expansion vessel

Connect the boiler to the on-site pipe-work.

Flue gas connection

Connect the balanced flue pipe. Flue gas system installationinstructions

Condensate connection

Connect the condensate drain with apipe air vent valve sloping to the pub-lic sewer.

Heating water (primary) connection

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A Gas connection

Conversion to other gastypes:Conversion kit installationinstructions

Information regarding operationwith LPGWe recommend the installation of anexternal safety solenoid valve wheninstalling the boiler in rooms belowground level.

1. Carry out a leak test.

! Important informationExcessive test pressureleads to damage to the boi-ler and gas train.Max. test pressure150 mbar. If a higher pres-sure is required for leaktests, separate the boilerand the gas train from themains gas supply (undo fit-tings).

2. Purge the gas supply pipe.

Gas connection

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Opening the control unit housing

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Notes regarding the connection of accessoriesFor details of accessories, also observe the separate installation instruc-tions provided.

A Radio clock connectionB Heating circuit pump or boiler cir-

cuit pump

Electrical connections

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C Vitotrol 100 UTD (only for controlunits operating with a constanttemperature)

D Vitotrol 100 UTA (only for controlunits operating with a constanttemperature)

Plug 230 V~fÖ Power supply

& Never interchange cores L1 andN.

& Install an isolator in the mainssupply line which simulta-neously separates all non-earthed conductors from themains with at least 3 mm contactseparation.

& Max. fuse rating 16 A.sÖ Heating circuit pump or boiler cir-

cuit pumplH & Mains supply - accessories

(230 V ~ 50 Hz). Where the boi-ler is installed in a bathroom orshower room, the mains supplyof accessories outside the wetarea must not be connected tothe control unit. The power sup-ply connection for accessoriescan be made immediately at thecontrol unit, if the boiler isinstalled outside damp areas.This connection is directly con-trolled with the system ON/OFFswitch (max. 4 A).

& Vitotrol 100 UTA& Vitotrol 100 UTD

Low voltage plug! Outside temperature sensor

(only for weather-compensatedmode)Installation& North or northwestern wall, 2to 2.5 m above ground level. Inmulti-storey buildings, in theupper half of the second floor

& Not above windows, doors orventilation outlets

& Not immediately below balconyor gutter

& Do not render over& Two core cable with a maxi-mum length of 35 m and across-section of 1.5 mm2

? Flow temperature sensor for lowloss header (accessories)

% Cylinder temperature sensor(part of the DHW cylinder con-nection set).Connection to cables with plugsoutside of the control unit.

aVG KM BUS user (accessory)& Vitotrol 200 or 300 remote con-trol

& Vitocom 100& Extension kit for one heatingcircuit with mixer

& Vitosolic& External extension H1 or H2

Electrical connections (cont.)

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Routing connecting cables

! Important informationConnecting cables are damaged if they touch hot components.When routing and securing connecting cables on site, ensure that themaximum permissible cable temperatures are not exceeded.

A Low voltage connectionsB 230 V connectionsC Internal extension

D Main PCBE Communications module

Electrical connections (cont.)

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Closing control unit housing and inserting user interface

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Commissioning and adjustments

For commissioning and adjustment, see service instructions.

Front panel installation

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Viessmann LimitedHortonwood 30, Telford, TF1 7YP, GBTelephone: +44 1952 675000Fax: +44 1952 675040www.viessmann.co.uk

Documents

Installation instructions VIESMANN · 2016. 5. 1. · Supplied By spares.co Tel. 0161 620 6677 Installation instructions VIESMANN for heating engineers Vitodens 300 Type WB3A ,49and66kW