VITODENS 200
Installation Instructionsfor use by heating contractor
Vitodens 200WB2 SeriesWall-mounted, gas-fired condensing boiler
For natural gas and liquid propaneHeating input NG 55 to 230 MBH
16 to 67 kWHeating input LP 55 to 214 MBH
16 to 63 kW
Read and save these instructionsfor future reference.
IMPORTANT
Vitodens 200, WB2-44/60(with preinstalled vent pipe adaptor)
PleasefileinServiceBinder
5285 960 v1.2 10/2007
Safety, Installation and Warranty Requirements
2
Safety, Installation and Warranty Requirements
Please ensure that these instructions are read and understood before commencing installation. Failure to comply with theinstructions listed below and details printed in this manual can cause product/property damage, severe personal injury, and/or lossof life. Ensure all requirements below are understood and fulfilled (including detailed information found in manual subsections).
H Licensed professional heatingcontractorThe installation, service, andmaintenance of this equipment mustbe performed by a licensedprofessional heating contractor.
" Please see sectionentitled “ImportantRegulatory andInstallationRequirements” in theInstallation Instructions.
HProduct documentationRead all applicable documentationbefore commencing installation. Storedocumentation near boiler in a readilyaccessible location for reference inthe future by service personnel.
" For a listing ofapplicable literature,please see sectionentitled “ImportantRegulatory andInstallation Requirements”in the Installation Instructions.
HAdvice to ownerOnce the installation work iscomplete, the heating contractormust familiarize the systemoperator/ultimate owner with allequipment, as well as safetyprecautions/requirements, shut-downprocedure, and the need forprofessional service annually beforethe heating season begins.
HCarbon monoxideImproper installation, service and/ormaintenance can cause flue productsto flow into living space. Flueproducts contain poisonous carbonmonoxide gas.
" For informationpertaining to the properinstallation, service andmaintenance of thisequipment to avoidformation of carbon monoxide, pleasesee the Installation Instructions of theVitodens 200 Direct Vent System.
HEquipment ventingNever operate boiler without aninstalled venting system. An improperventing system can cause carbonmonoxide poisoning.
HWarrantyInformation contained inthis and related productdocumentation must beread and followed. Failureto do so renders warrantynull and void.
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Installers must follow localregulations with respect toinstallation of carbon monoxidedetectors. Follow manufacturer’smaintenance schedule of boiler.
WARNING
Index
3
Page
Safety Important Regulatory and Installation Requirements 5.. . . . . . . . . . . . . . . . . . . . . . . . . .
General Information About these Installation Instructions 7.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Applicability 8.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product Information 8.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical Room 9.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Set-up Before Set-up 9.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Minimum Clearances 9.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Boiler Connections Preparing the Connections 10.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connections overview 10.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wall Mounting 12.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wall mounting bracket installation 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting Vitodens 200 boiler 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connections 14.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power supply connection 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flue gas connection 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Proper piping practice 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas connection and piping 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas piping pressure test 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heating water connections 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DHW Production Kit Installation 19.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product information 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Making the DHW connections 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical connection 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Condensate connection 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Connections and Pressure Testing 22.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing safety devices on the boiler 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performing pressure test on the boiler 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Examples 23.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Boiler in heating/cooling application 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Boiler with low water cut-off 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Venting Connection 34.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Index
4
Control Connections Electrical Connections 35.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview of electrical connections and plug-in connectors 35. . . . . . . . . . . . .
Routing of connecting cables 37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outdoor temperature sensor 39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DHW tank temperature sensor 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low-loss header sensor 40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
External switching of heating program/External heat demand 41. . . . . . . . .
External burner disable 41. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power/Pump Module Installation 42.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power supply connection 43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical data 43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump connections 43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product information (expansion board) 44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Expansion board installation 44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical data 45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Programming Unit of the Control Unit 46.. . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix Start-up Information 47.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start-up and adjustments 47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 47.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring Diagram 48.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lighting and Operating Instructions 49.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ladder Diagram 50.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Safety
5
Important Regulatory and Installation Requirements
CodesThe installation of this unit shall be inaccordance with local codes or, in theabsence of local codes, useCAN/CSA-B149.1 or .2 InstallationCodes for Gas Burning Appliances forCanada. For U.S. installations use theNational Fuel Gas Code ANSI Z223.1.Always use latest editions of codes.
In Canada all electrical wiring is to bedone in accordance with the latestedition of CSA C22.1 Part 1 and/orlocal codes. In the U.S. use theNational Electrical Code ANSI/NFPA70. The heating contractor must alsocomply with both the Standard forControls and Safety Devices forAutomatically Fired Boilers,ANSI/ASME CSD-1, and the InstallationCode for Hydronic Heating Systems,CSA B214-01, where required by theauthority having jurisdiction.
Leave all literature at the installationsite and advise the systemoperator/ultimate owner where theliterature can be found. ContactViessmann for additional copies.
This product comes with severalsafety instruction labels attached.Do not remove!Contact Viessmann immediately ifreplacement labels are required.
For installations in the Commonwealth of Massachusetts, the following localrequirements apply in addition to all other applicable NFPA requirements:
1) For direct-vent appliances, mechanical-vent heating appliances or domestic hot water equipment, where the bottom ofthe vent terminal and the air intake is installed below four feet above grade the following requirements must be satisfied.
1. If there is not one already present, on each floor level where there are bedroom(s), a carbon monoxide detectorand alarm shall be placed in the living area outside the bedroom(s). The carbon monoxide detector shall complywith NFPA 720 (2005 Edition).
2. A carbon monoxide detector shall be located in the room that houses the appliance or equipment and shall:
a. Be powered by the same electrical circuit as the appliance or equipment such that only one service switchservices both the appliance and the carbon monoxide detector;
b. Have battery back-up power;c. Meet ANSI/UL 2034 Standards and comply with NFPA 720 (2005 Edition); andd. Have been approved and listed by a Nationally Recognized Testing Laboratory as recognized under 527
CMR.
3. A product-approved vent terminal must be used, and if applicable, a product-approved air intake must be used.Installation shall be in strict compliance with the manufacturer’s instructions. A copy of the installationinstructions shall remain with the appliance or equipment at the completion of the installation.
4. A metal or plastic identification plate shall be mounted at the exterior of the building, four feet directly above thelocation of vent terminal. The plate shall be of sufficient size to be easily read from a distance of eight feet away,and read ”Gas Vent Directly Below”.
Continued on following page.
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6
Important Regulatory and Installation Requirements (continued)
For direct-vent appliances, mechanical-vent heating appliances or domestic hot water equipment where the bottom of thevent terminal and the air intake is installed above four feet above grade the following requirements must be satisfied:
1. If there is not one already present, on each floor level where there are bedroom(s), a carbon monoxide detectorand alarm shall be placed in the living area outside the bedroom(s). The carbon monoxide detector shall complywith NFPA 720 (2005 Edition).
2. A carbon monoxide detector shall:
a. Be located in the room that houses the appliance or equipment;b. Be either hard-wired or battery powered or both; andc. Shall comply with NFPA 720 (2005 Edition).
3. A product-approved vent terminal must be used, and if applicable, a product-approved air intake must be used.Installation shall be in strict compliance with the manufacturer’s instructions. A copy of the installationinstructions shall remain with the appliance or equipment at the completion of the installation.
Working on the equipmentThe installation, adjustment, service,and maintenance of this boiler must bedone by a licensed professional heatingcontractor who is qualified andexperienced in the installation, service,and maintenance of hot water boilers.There are no user serviceable parts onthe boiler, burners, or control.
Ensure main power supply toequipment, the heating system, and allexternal controls has been deactivated.Close main gas supply valve. Takeprecautions in all instances to avoidaccidental activation of power duringservice work.
The completeness and functionality offield supplied electrical controls andcomponents must be verified by theheating contractor. These include lowwater cut-offs, flow switches (if used),staging controls, pumps, motorizedvalves, air vents, thermostats, etc.
Technical literatureLiterature for the Vitodens boiler:- Technical Data Manual- Installation Instructions- Start-up/Service Instructions- Operating Instructionsand User’s Information Manual
- System Design Guidelines- Instructions of other Viessmannproducts utilized and installed
- Installation codes mentionedin this manual
Leave all literature at the installationsite and advise the systemoperator/ultimate owner where theliterature can be found. ContactViessmann for additional copies.
This product comes with severalsafety instruction labels attached.Do not remove!Contact Viessmann immediately ifreplacement labels are required.
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General Information
7
About these Installation Instructions
Take note of all symbols and notations intended to draw attention to potential hazards or important product information.These include ”WARNING”, ”CAUTION”, and ”IMPORTANT”. See below.
Warnings draw your attention to thepresence of potential hazards orimportant product information.
Cautions draw your attention to thepresence of potential hazards orimportant product information.
Helpful hints for installation,operation or maintenance whichpertain to the product.
This symbol indicates that additional,pertinent information is to be found incolumn three.
This symbol indicates that otherinstructions must be referenced.
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Indicates an imminently hazardoussituation which, if not avoided, couldresult in death, serious injury orsubstantial product/property damage.
WARNING
Indicates an imminently hazardoussituation which, if not avoided, mayresult in minor injury orproduct/property damage.
CAUTION
IMPORTANT
General Information
8
Applicability
Vitodens 200, WB2 44/60
Model No. Serial No.WB2 11-44 7188578andWB2 15-60 7188577
Product Information
Gas-fired hot water heating boiler for space heating and domestic hot waterproduction with a stand-alone DHW tank (tank must be ordered separately).
For operation with modulating boiler water temperatures in closed loop, forcedcirculation hot water heating circuits.
The Vitodens 200 comes factory set for operation with natural gas, with theoption of conversion to liquid propane using a field conversion kit.(When planning on fuel converting the Vitodens 200 boiler, contact Viessmann toorder the required conversion kit.)
Boiler model must be selected based on an accurate heat loss calculation of thebuilding. Ensure boiler model is compatible with connected radiation.
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Boiler serial number must be providedwhen ordering replacement parts.Some replacement parts are notreverse compatible with previousversions of the Vitodens 200 boiler.
CAUTION
Serial No. location(16 digit barcode label)
General Information/Set-up
9
Mechanical Room
During the early stages of new home design, we recommend that properconsideration be given to constructing a separate mechanical room dedicated togas- or oil-fired equipment including domestic hot water storage tanks.
The boiler must be located in a heated indoor space, near a floor drain, and asclose as possible to the wall.
Whenever possible, install boiler near an outside wall so that it is easy to duct theventing system to the boiler.
Locate boiler on walls capable of supporting the weight of the boiler filled withwater (see section entitled “Technical Data” on page 47 for information requiredfor total boiler weight calculation). Ensure that boiler location does not interferewith proper circulation of combustion and ventilation air of other fuel burningequipment (if applicable) within the mechanical room.
The maximum room temperature of the mechanical room where the boiler islocated must not exceed 104°F/40°C.
Before Set-up
Before placing boiler in its installationlocation, ensure all necessaryaccessories are installed.
Minimum Clearances
Recommended minimum service clearances
For typical Vitodens installations, Viessmannrecommends installing the boiler with the clearancesshown in the illustration on the left.
Recommended clearances to combustibles
The Vitodens 200 boiler is approved for closet andalcove installation with the following clearances tocombustibles.
Top Front Rear Left Right Vent pipe*1
0 0 AL, CL 0 0 0 0AL = AlcoveCL = Closet*1Refer to the Installation Instructions of the Vitodens 200Venting System for details.
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The boiler must be installed in such away that gas ignition systemcomponents are protected fromwater (spraying, splashing, etc.)during boiler operation and service.
CAUTION
Front
12”/305 mm
Top12”/305 mm
0”/mm
28”/700 mm
Side
0”/mm
Back
SideDiagram is not to scale.
Boiler Connections
10
Preparing the Connections
Use an approved pipe sealant or teflon tape whenconnecting the following installation fittings.
Connections overview
This section constitutes an overview only! Refer to subsequent sections fordetailed information on individual piping connections.
Piping connections for Vitodens 200,WB2 11-44 and 15-60
*These adapters are factory supplied.
Legend
BWR Boiler water return, 1¼” NPTFBWS Boiler water supply, 1¼” NPTFBD Boiler drainDR Boiler heating return for
domestic hot water production,1¼” NPTM
DS Boiler heating supply fordomestic hot water production,1¼” NPTM
GC Gas connection, ¾” NPTMPRV Pressure relif valveNPT National Pipe Thread
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BWS
BWR
NPT
GC
PRV
BD
DS DR
* *} }
Boiler Connections
11
Preparing the Connections
Connections Vitodens 200,WB2 11-44/15-60
LegendAV Air ventBWR Boiler water return, 1¼” NPTFBWS Boiler water supply, 1¼” NPTFBD Boiler drainDR Domestic hot water return,
1¼” NPTMDS Domestic hot water supply,
1¼” NPTMGC Gas connection, ¾” NPTMPRV Pressure relief valve, ¾”
Vitodens 200, WB2side view
Reference point for top ofboilerVitodens 200 boilerFinished floor level
When preparing gas, waterand electrical connections inthe field, see section entitled“Wall Mounting” on page 12of this manual for informationregarding the installation ofthe wall mounting bracket.
The maximum ambient temperaturemust not exceed 95 ºF/35 ºC.
H Heating water connections and gasconnection to be made in the field.See illustration to the left andconnection-specific section fordetails.
H See subsection entitled “Powersupply connection” for detailsregarding power supply to theVitodens 200 boiler.
*1Recommendation
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35.4”/900mm
22”/550 mm24”/600 mm
2”/50 mm
min.16”/400mm
78”/1975mm*1
AV
PRV
BWR
BWS
DS
GC
DRBD
IMPORTANT
Boiler Connections
12
Wall Mounting
Wall mounting bracket installation
LegendReference point for top of boilerMounting templateFinished floor level
Dimensionsa 23.6”/600 mmb 16”/407 mmc 3.7”/95 mmd 0.7”/18 mme 78”/1975 mm*1Recommendation
The Vitodens 200 can be wall-mountedonHa brick/concrete wallHwood studsHmetal studs
Following are the installationinstructions for the mounting bracketon each material. Skip to theinstallation instructions applicable toyour installation requirements.
Installation of mounting bracket onbrick/concrete wall:
1.Drill holes (Ø 3/8”/10 mm), usingmounting template supplied with theboiler.
2.Align wall mounting bracket andattach to wall with the screws andbolts supplied.
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1.
2.
a
b
cd
e*1
2x
3/8”/10 mm
Whichever mounting method is used,ensure that the bracket is tightly andsecurely fastened to wall. Failure tosecure boiler properly could causeboiler to loosen, posing a severesafety hazard.
CAUTION
Boiler Connections
Fig.Installation of mounting bracket
a
a = 16”/407 mm
Fig.Installation of mounting bracket on wood studs
16”/407 mm
3/16”2x
Fig.Installation of mounting bracket on metal studs
5/8”2x
16”/407 mm
13
Wall Mounting (continued)
Mounting bracket installation (continued)
Installation of mounting bracket onwood and metal studs
To mount the Vitodens 200 boiler onwood or metal studs, install mountingbracket on wall as shown in Fig. .Refer to Figs. and below for moredetailed installation information.
Install mounting bracket on wood studsas per illustration.Drill 3/16” pilot holes to insert mountingbolts.Ensure that holes are located in thecenter of each wood stud.
Install mounting bracket on metal studsas per illustration.Drill 5/8” pilot holes to insert mountingbolts.Ensure that holes are located in thecenter of each metal stud.Secure mounting bracket with bolts tometal studs as shown.
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Boiler ConnectionsBoiler Connections
14
Wall Mounting (continued)
Mounting Vitodens 200 boiler
1.Open hinged cover of the control unit(by exerting slight pressure withfingertip).
2.Unlock enclosure panel by looseningscrew as illustrated.
3. Remove front enclosure panel (lift upand pull towards you).
4. Loosen the two screws holding basepanel in place and remove basepanel (if still installed) towards you.
5.Mount boiler onto the mountingbracket.
For installation of themounting bracket, seesubsection entitled “Wallmounting bracketinstallation” on page 12 ofthis manual.
6. Connect boiler to the installationfittings.
Connections
Power supply connection
Installation InstructionsPower/Pump Module
The Vitodens 200 boiler is shippedwith a Power/Pump Module, whichrequires a 120 VAC power supply froma wall receptacle.
The module contains a 120/230 VACstep-up transformer to power theVitodens 200 with 230 VAC. Refer tothe Installation Instructions shippedwith the module or those contained inthis manual for wiring details.
Flue gas connection
The Vitodens 200 boiler comes with apreinstalled vent pipe adaptor (asshown).Run venting system, single-wall orcoaxial, through the side wall or theroof, taking the shortest possible routeand at a rising angle (min. 3º).
See Installation InstructionsVitodens 200 Venting Systemfor details.
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2.
5.
1.
3.
4.
5285960v1
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Boiler Connections
15
Connections (continued)
Proper piping practice
Support piping by proper suspensionmethod. Piping must not rest on or besupported by boiler.
Gas connection and piping
GC Gas connection
1.Make gas connection in accordancewith codes CAN/CSA B149.1 and .2or National Fuel Gas Code ANSIZ223.1/NFPA 54, as well as localcodes.
2.Close gas shutoff valve (fieldsupplied) on boiler.
3. Perform leak test.
4. Bleed air from gas supply pipe.
See following page for details on gasconnection and piping.
5285960v1
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Use moderate amount of dope
Leave 2 end threads bareThread pipe right length
2 imperfect threads
GC
Boiler Connections
16
Connections (continued)
Gas connection and piping (continued)
Gas connectionAccessible manual gas shutoffvalve (field supplied)Ground joint unionDrip leg
Max. gas supply pressure: 14 “w.c.
1. Refer to current CAN/CSA B149.1and .2 or National Fuel Gas CodeANSI Z223.1/NFPA 54, as well aslocal codes for gas pipingrequirements and sizing. Pipe size tothe boiler must be determined basedon:– pipe length– number of fittings– type of gas– maximum input requirements of allgas appliances in the residence.
Design piping layout in such a way thatpiping does not interfere withserviceable components.
2. Before connecting boiler to gas line,install ground joint union, cappeddrip leg and a manual equipmentshutoff valve as shown. Valves mustbe listed by a nationally recognizedtesting agency. Make boiler gasconnection as shown on the left.
Gas connection (NPT) ∅¾“.. . . . . . . . . . . . . . . . . .
3. Perform gas piping pressure test asdescribed in the followingsubsection.
4. Identify shutoff valves as such witha tab and familiarizeoperator/ultimate owner of boilerwith these valves.
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IMPORTANT
The gas supply piping must be leaktested before placing the boiler inoperation.
WARNING
Ensure that gas piping is largeenough for all appliances in theresidence. No noticeable gaspressure drop in the gas line mustoccur when any unit (or combinationof units) lights or runs.
CAUTION
IMPORTANT
Boiler Connections
17
Connections (continued)
Gas piping pressure test
When performing the gas piping pressure test, ensure the following requirements aremet.
½ psig = 14 ”w.c.
1. Isolate the boiler from the gas supplypiping system using the individualmanual shutoff valve during pressuretests equal to or less than ½ psig/14 ”w.c.
2. The boiler and its individual shutoffvalve must be disconnected from thegas supply piping system during anypressure testing of that system attest pressures in excess of½ psig/14 ”w.c.
3. Perform leak test.Use approved liquid spray solutionfor bubble test. Ensure that no liquidis sprayed on any electricalcomponents, wires or connectors.Do not allow leak detection fluid tocontact gas valve regulator orregulator vent opening.
4.Correct any and all deficiencies.
5. Remove air from gas line.
5285960v1
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Never check for gas leaks with anopen flame.
WARNING
Exposing boiler gas pressureregulator and gas valve to extremepressures renders warranty null andvoid.
WARNING
IMPORTANT
Boiler Connections
18
Connections (continued)
Heating water connections
AV Air ventBD Boiler DrainBWR Boiler water returnBWS Boiler water supplyDR Boiler heating return for
domestic hot water productionDS Boiler heating supply for
domestic hot water productionPRV Pressure relief valve
1. Thoroughly flush heating system(particularly before connecting theboiler to an existing system).
2.Connect boiler to the heatingsystem.
Max. operating pressure 3 bar/. . . . .
45 psig. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test pressure 4 bar/. . . . . . . . . . . . . . . . . . . . . . . . . . .
60 psig. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Damage resulting from pressureexceeding those values stated is notcovered by Viessmann warranty.
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SVL
PRV
AV
BWR
BWS
DS
GC
DRBD
IMPORTANT
Boiler Connections
19
DHW Production Kit Installation
Product information
The DHW Production Kit is required when using a stand-alone DHW storage tankwith the Vitodens 200 heating boiler. It comprises all components required for theconnection of a stand-alone tank.
See Vitodens 200Start-up/Service Instructionsfor applicable system codinginformation.
See Installation Instructionsfor DHW Production Kit forstandard equipment.
Making the DHW connections
1.Connect isolation valve and brassadaptor to both the DHW supply andreturn connections.
Apply sufficient amount of threadsealant (supplied) when making theconnections.
Isolation valveGasket
5285960v1
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2x
DS DR
1.
IMPORTANT
Boiler Connections
20
DHW Production Kit Installation (continued)
Making the DHW connections (continued)
2.With a Vitocell 100 DHW storagetank:Insert DHW tank temperature sensor
into sensor well as shown.With a Vitocell 300 DHW storagetank:Refer to the Vitocell 300 InstallationInstructions shipped with the DHWstorage tank for details.
Follow the Installation Instructionssupplied with the Viessmann DHWstorage tank when mounting andsecuring DHW tank temperaturesensor .
5285960v1
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2.
Vitocell-H 100 DHW storage tank shown
IMPORTANT
IF A DHW STORAGE TANKOTHER THAN AVIESSMANN VITOCELL100 OR 300 TANK ISUSED, THE INSTALLERMUST VERIFY PROPEROPERATION OF THEVIESSMANN DHW TANKTEMPERATURE SENSORWITH ORIGINALMANUFACTURER OF THETANK. VIESSMANNSTRONGLY RECOMMENDSTHE INSTALLATION OF ATEMPERATURETEMPERING VALVE IN THEDHW SUPPLY LINE.
WARNING
Boiler Connections
21
DHW Production Kit Installation (continued)
Electrical connection
1. Insert plug ”X7” of the DHW tanktemperature sensor into terminal”X7” of the control unit.
Condensate connection
Discharge tubingFlexible discharge tubingSiphon trap
The Vitodens 200 boiler comes with abuilt-in condensate trap. An externaltrap is not required when connectingthe field drain to flexible dischargetubing. Discharge tubing (field supplied)must be of 1” diameter. Use CPVC,PVC or other material approved bycodes listed below.The drain pipe and fittings mustconform to ANSI standards and ASTMD1785 or D2846. CPVC or PVCcement and primer must conform toASTM D2564 or F493. In Canada useCSA or ULC listed schedule 40 CPVCor PVC drain pipe, fittings and cement.If the condensate outlet of theVitodens 200 boiler is lower than thedrain, a condensate pump must beinstalled. Select a pump which isapproved for condensing boilerapplications. To avoid condensatespillage, select a pump with anoverflow switch. The drain connectionmust terminate into an open or venteddrain as close to the boiler as possibleto prevent siphoning of the boiler drain.
1. Install the condensate drain pipewith a suitable gradient.
2.Discharge condensate from theboiler into the drainage system,either directly or (if required) via aneutralization unit (accessory).
Installation Instructions ofNeutralization Unit(if applicable)
Pipe ventilation must take placebetween the siphon trap and theneutralization unit (if applicable).
Do not connect the drain pipe from anyother appliance, such as water softenerbackwash pipe, to Vitodenscondensate drain pipe.
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1 2 43
X7
IMPORTANT
IMPORTANT
Boiler Connections
22
Safety Connections and Pressure Testing
Installing safety devices on the boiler
Legend
Gasket, Ø 1½”Conversion union, (G > BSPT)Reducing tee, 1¼” x ¾” x 1¼”Brass nipple, length 2½” x 1¼”Isolation valve, 1¼”Brass nipple, length 3” x ¾TeeBrass nipple, length 2” x ¾Pressure relief valve, ¾” NPTDrain valve connection, ¾”
1. Remove loosely preassembledcombination pressure relief valve anddrain valve assembly.
2.Apply sufficient amount of pipesealant to both ends of all pipefittings , , and , and installonto tees and .
3. Install pressure relief valve andtighten.
4. Install discharge pipe on pressurerelief valve in such a way that...H the end of the pipe is not threaded.H the pressure relief discharge pipeextends to a floor drain and endsapproximately 6”/150 mm abovethe drain.
Ensure that...H there is no shutoff valveinstalled in the discharge pipe.
H discharge pipe diameter is notreduced.
H discharge is not piped tooutdoors.
Minimum connection diameters:Pressure relief valve ¾“. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Discharge pipe ¾“.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Piping to prechargedexpansion tank ¾“.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Install the (approved) factory suppliedpressure relief valve.
Removal of air from the system mustoccur via use of air vent(s) in thesystem supply. To ensure the boilercan be purged of all air, ensuresupply/return water lines do notcontain restrictive piping where aircould be trapped.
Low water cut-offA low water cut-off may be required bylocal codes. If boiler is installed aboveradiation level, a low water cut-offdevice of approved type (field supplied)must be installed in all instances. Donot install an isolation valve betweenboiler and low water cut-off (seesubsection entitled “Boiler with lowwater cut-off” on page 34 in theseinstructions).
5285960v1
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IMPORTANT
Do not install an isolation valvebetween boiler and pressure reliefvalve.The discharge pipe for the pressurerelief valve must be oriented toprevent scalding of attendants.Pipe pressure relief valve dischargepipe close to floor drain. Never pipedischarge pipe to the outdoors.
WARNING
Boiler Connections
23
Safety Connections and Pressure Testing (continued)
Performing pressure test on the boiler
The boiler must be leak tested beforebeing placed in operation. Before boileris connected to piping or electricalpower supply, it must behydrostatically pressure tested.
1.After installing safety devices (seeprevious page), install temporary capon ¾” x 2” nipple.
2.Cap supply and return connections.
3.Connect ½” garden hose to boilerdrain valve at the bottom of theboiler and fill boiler slowly untilpressure gage indicates max.4 bar/60 psig.
4.Maintain pressure for 15 minutes.During time of pressure testing, donot leave boiler unattended.
5. Inspect all pipe joint connections andsafety devices with a flashlight forleaks.A lower manometer reading than4 bar/60 psig usually indicates lossof water due to leakage. All leaksmust be repaired.
6.After 15 minutes, release waterpressure from boiler by openingboiler drain valve slowly, removecaps from supply and returnconnections as well as ¾” cap from2” nipple, and install pressure reliefvalve immediately instead of ¾”cap.
After boiler has passed pressuretest, proceed with the installation.
Max. operating pressure3 bar/45 psig. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing pressure4 bar/60 psig. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Max. boiler water temperature210 °F/99 °C.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Examples
GeneralThe schematics on the following pagesare to be seen as guidelines only. Theyfurther do not display all systemvarieties, safety devices, or conceptspossible. Specific system layouts maybe further discussed with the localViessmann sales representative office.
ClearancesA minimum of 2”/51 mmcircumferential clearance fromnon-insulated hot water pipes tocombustible construction must bemaintained. In cases where the pipesare insulated with pipe insulation ofappropriate and sufficient thicknessand insulation values, the aboveclearance may be reduced to 0” (referto local gas codes).
5285960v1
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Exposing the boiler to pressures andtemperatures in excess of thoselisted will result in damages, and willrender warranty null and void.
WARNING
For underfloor heating applications,an additional immersion or strap-onaquastat must be installed in the lowtemperature underfloor loop(downstream of the mixing valve) tode-energize the pump and/or boiler toprevent overheating. High watertemperatures can damage concreteslabs.
CAUTION
Boiler Connections
Pressure drop for models WB2 11-44 and 15-60
0
1
2
3
4
5
6
7
8
0
3.3
6.6
9.8
13.1
16.4
19.7
23
26
Pres
sure
drop
ft.
m
0 2.2 4.4 6.6 8.8 11 13.2
Flow rate
15.41.10 500 1000 1500 2000 2500 3000 3500250
ltr/hGPM
24
Installation Examples (continued)
Waterside flow
Typical system flow rates
Model WB2 11-44 15-60∆ t for NG
Output (NG) Btu/h 153 000 205 00020 ºF rise (GPM) 15.3 20.525 ºF rise (GPM) 12.2 16.430 ºF rise (GPM) 10.2 13.7∆ t for LP
Output (LG) Btu/h 138 000 191 00020 ºF rise (GPM) 13.8 19.125 ºF rise (GPM) 11.0 15.330 ºF rise (GPM) 9.2 12.7
Use standard friction loss method for pipe sizing.Observe boiler maximum flow rate limitations. If system flow rate exceedsboiler maximum flow rate or if system flow rate is unknown, Viessmann stronglyrecommends the installation of a low-loss header. See low-loss header InstallationInstructions for details.
Please note!Low-loss header pressure drop is negligible.
Important!The following examples depict possible piping layouts of the Vitodens 200 boilerequipped with Viessmann System Technology.For boiler and tank combinations, please install only feasible combinations listed inthe Viessmann Price List.Please note that the examples below are simplified conceptual drawings only!Piping and necessary componentry must be field verified.A low water cut-off (LWCO) must be installed where required by local codes.Proper installation and functionality in the field is the responsibility of the heatingcontractor.
The following examples and the corresponding plug-in connection examples donot follow the same alphabetical designation of components. Please take this intoconsideration when cross-referencing between an installation example and thecorresponding plug-in connection example. 5
285960v1
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If a DHW storage tank other than aViessmann Vitocell 100 or 300 tankis used, the installer must verifyproper operation of the ViessmannDHW sensor with the originalmanufacturer of the tank. Viessmannstrongly recommends the installationof a temperature tempering valve inthe DHW supply line.
WARNING
Boiler Connections
25
Installation Examples (continued)
Vitodens 200 (model WB2 11-44 and up) with DHW storage tank andone direct-connected heating circuit
AV Air ventPRV Pressure relief valveTPV Temperature and pressure relief valve
Vitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operationOutdoor temperature sensor of controlunit for weather-responsiveoperationRemote controlHeating circuitHeating circuit pump (field supplied)DHW circulating pump (field supplied)DHW storage tankDHW tank temperature sensorExpansion tankImportant!Please note location of expansion tank
and flow check valve .Flow check valve
Installation of ...H radiator heating circuit (high temperaturecircuit)
H DHW production...with the following flow conditions1. The flow rate of the heating circuit is lessthan the maximum possible water flow rateof the Vitodens 200 boiler (see followingtable).
Model No.
Vitodens 200,
Max. flow rate(GPM/ltr/h)
WB2 11-44 15.4/3500
WB2 15-60 15.4/3500
The use of a low-loss header is stronglyrecommended if the maximum water flowrate in the application concerned exceedsthe values shown in the table above, or ifthe system flow rates are unknown.
The low-loss header is available asaccessory part.See following pages for installationexamples with a low-loss header.
DHW circulating pump must pumpinto the Vitodens 200 boiler (asillustrated).
5285960v1
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PRV
TPV
AV
Y
Installation example and corresponding plug-in connectionexample do not follow same alphabetical designation ofcomponents.
Y
IMPORTANT
Boiler Connections
26
Installation Examples (continued)
Plug-in connections Vitodens 200 (model WB2 11-44 and up) with DHW storage tank andone direct-connected heating circuit
Vitodens 200 plug-in connectionsA1 Vitodens 200 pump junction box
Outdoor temperature sensorC1 Remote control WS/RS (optional)C2 Wall-mount base when using
the programming unit as remotecontrol (optional)Power connection cable toVitodens 200Heating circuit pumpDHW pumpDHW tank temperature sensorPower/Pump module
I Main disconnect switchLow water cut-off (if applicable)Wall receptacle (main powersupply)
Installation InstructionsPower/Pump Module
5285960v1
.2
A1
C1 C2
I
Boiler Connections
27
Installation Examples (continued)
Vitodens 200 (model WB2 11-44 and up) with DHW storage tank,one heating circuit with mixing valve and system separation
AV Air ventPRV Pressure relief valveTPV Temperature and pressure relief
valveVitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operationOutdoor temperature sensor ofcontrol unit for weather-responsiveoperationRemote controlUnderfloor heating circuitMixing valve temperature sensor
F1 Heating circuit pump (field supplied),located downstream of heat exchanger
F2 Heating circuit pump (field supplied),located upstream of heat exchangerPlate heat exchanger for systemseparationExtension kit for heating circuit withmixing valve
I DHW circulating pump (field supplied)
DHW storage tankDHW tank temperature sensorExpansion tankImportant!Please note location of expansion tank
and flow check valve .Flow check valve
Installation of ...H underfloor heating circuit with 3-waymixing valve and system separation(low temperature circuit)
H DHW production...with the following flow conditions1. The flow rate of the heating circuit is lessthan the maximum possible water flow rateof the Vitodens 200 boiler (see followingtable).
Model No.
Vitodens 200,
Max. flow rate(GPM/ltr/h)
WB2 11-44 15.4/3500
WB2 15-60 15.4/3500
The use of a low-loss header is stronglyrecommended if the maximum water flowrate in the application concerned exceedsthe values shown in the preceding table, orif the system flow rates are unknown.The low-loss header is available asaccessory part.See following pages for installationexamples with a low-loss header.
Please note!System separation is required for underfloorheating systems employing non-oxygendiffusion barrier tubing.All components on the secondary side ofthe heat exchanger must be made ofcorrosion-resistant materials.
DHW circulation pump I must pump intothe Vitodens 200 boiler (as illustrated).
5285960v1
.2
PRV
TPV
AV
Y
M
~
Y
I
F1
F2
IMPORTANT
Boiler Connections
28
Installation Examples (continued)
Plug-in connections Vitodens 200 (model WB2 11-44 and up) with DHW storage tank,one heating circuit with mixing valve and system separation
Vitodens 200 plug-in connectionsA1 Vitodens 200 pump junction box
Outdoor temperature sensorC1 Remote control WS/RS (optional)C2 Wall-mount base when using
the programming unit as remotecontrol (optional)Power connection cable toVitodens 200Plug-in connector for supplytemperature sensorPlug-in connector for heatingcircuit pump of heating circuitwith mixing valveExtension kit for a heating circuitwith a mixing valveDHW pump
I DHW tank temperature sensorPower/Pump moduleMain disconnect switchLow water cut-off (if applicable)Wall receptacle (main powersupply)
Installation InstructionsPower/Pump Module
5285960v1
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A1
C1 C2 I
Boiler Connections
29
Installation Examples (continued)
Vitodens 200 (model WB2 11-44 and up) with DHW storage tank,low-loss header, one heating circuit with mixing valve and one heating circuit without mixing valve
AV Air ventPRV Pressure relief valveTPV Temperature and pressure relief
valveVitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operationOutdoor temperature sensor ofcontrol unit for weather-responsiveoperationRemote controlPrimary pump (boiler circuit, fieldsupplied) with low-loss header onlyUnderfloor heating circuitRadiator heating circuitMixing valve temperature sensor
H1 Heating circuit pump (field supplied)H2 Heating circuit pump (field supplied)I Extension kit for heating circuit with
mixing valveLow-loss header
Temperature sensor for low-lossheaderDHW circulating pump (field supplied)DHW storage tank
O DHW tank temperature sensorP Expansion tank
Important!Please note location of expansion tankP and flow check valve R .
R Flow check valve
Installation of different heating circuits...H radiator heating circuit (high temperaturecircuit)
H underfloor heating circuit with 3-waymixing valve (low temperature circuit)
H DHW production...with the following flow conditions1. The flow rate of the heating circuits isgreater than the maximum possible waterflow rate of the Vitodens 200 boiler (seefollowing table).
Model No.
Vitodens 200,
Max. flow rate(GPM/ltr/h)
WB2 11-44 15.4/3500
WB2 15-60 15.4/3500
The use of a low-loss header is thereforerecommended.A low-loss header is available as accessorypart.
The radiator heating circuit is supplied by acirculation pump (field supplied).The underfloor heating circuit is supplied bya circulation pump installed on site which iscontrolled by the extension kit.The DHW circulation pump is field supplied.
Pumps and must pump into theVitodens 200 boiler (as illustrated).
5285960v1
.2
AV
TPV
PRV
Y
M
~
Y
I
O
R
R H1
H2
P
Alternate locationsof expansion tank
IMPORTANT
Boiler Connections
30
Installation Examples (continued)
Plug-in connections Vitodens 200 (model WB2 11-44 and up) with DHW storage tank,low-loss header, one heating circuit with mixing valve and heating circuit without mixing valve
Vitodens 200 plug-in connectionsA1 Vitodens 200 pump junction box
Outdoor temperature sensorC1 Remote control WS/RS (optional)C2 Wall-mount base when using
the programming unit as remotecontrol (optional)Boiler pump with low-loss header onlyPower connection cable toVitodens 200 (230 V, 60 Hz)Plug-in connector for supplytemperature sensorPlug-in connector for heatingcircuit pump of heating circuitwith mixing valveHeating circuit pump
I Extension kit for a heating circuitwith a mixing valveTemperature sensor for low-lossheaderDHW pumpDHW tank temperature sensorMain disconnect switch
O Low water cut-off (if applicable)P Wall receptacle (main power
supply)Installation InstructionsPower/Pump Module
5285960v1
.2
A1
C1 C2
I
O
P
Boiler Connections
31
Installation Examples (continued)
Vitodens 200 (model WB2 11-44) with DHW storage tank, low-loss header andmultiple heating circuits with a mixing valve
AV Air ventPRV Pressure relief valveTPV Temperature and pressure relief
valve
Vitodens 200 gas-fired condensingboiler with programming unit forweather-responsive operation andViessmann 2-wire BUS extensionmoduleOutdoor temperature sensor ofcontrol unit for weather-responsiveoperationPrimary pump (boiler circuit, fieldsupplied) with low-loss header onlyVitocontrol*1
Mixing valve temperature sensor
*1 Contact your local Sales Representativefor details.
Heating circuit pump (field supplied)Extension kit for heating circuit withmixing valveHeating circuit with mixing valve
I Extension kit for heating circuit withmixing valveTemperature sensor for low-lossheaderLow-loss headerDHW circulating pump (field supplied)DHW tank temperature sensor
O DHW storage tankP Expansion tank
Important!Please note location of expansion tankP and flow check valve R .
R Flow check valve
Pumps and must pump into theVitodens 200 boiler (as illustrated).
Installation of multiple heating circuits withDHW production and the following flowconditions1. The flow rate of the heating circuits isgreater than the maximum possible waterflow rate of the Vitodens 200 boiler (seefollowing table).
Model No.
Vitodens 200,
Max. flow rate(GPM/ltr/h)
WB2 11-44 15.4/3500
WB2 15-60 15.4/3500
The use of a low-loss header is thereforerecommended.A low-loss header is available as accessorypart.
5285960v1
.2
AV
TPV
PRV
O
P
Y
RY
Alternate locationsof expansion tank
IMPORTANT
Boiler Connections
32
Installation Examples (continued)
Boiler in heating/cooling application
Heating/Cooling unitSpring-loaded flow check valveCirculation pumpSafety headerwith automatic air vent andpressure relief valveExpansion tankWater chillerBoiler circuit pump (field supplied)
Viessmann strongly suggests that thevalves pictured above be labelled “v1”and “v2”.
In the above system, the circulatingpump must be operated from aseparate on/off switch, not from thepump aquastat on the boiler control.
The boiler, when used in connectionwith a refrigeration system, must beinstalled ensuring the chilled medium ispiped in parallel to the boiler withappropriate valves to prevent thechilled medium from entering the boiler.See illustration on the left.
The boiler piping system of a hot waterheating boiler connected to heatingcoils located in air handling units wherethey may be exposed to refrigerated aircirculation must be equipped with flowcontrol valves or other automaticmeans to prevent gravity circulation ofthe boiler water during the coolingcycle.
Check installation instructions of thechiller manufacturer carefully foradditional requirements.
Cooling season starts:Close valve v1 and open valve v2.
Heating season starts:Close valve v2 and open valve v1.
5285960v1
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v2
v1
IMPORTANT
IMPORTANT
Boiler Connections
33
Installation Examples (continued)
Boiler with low water cut-off (remote-mounted, field supplied)
A low water cut-off may be required bylocal codes. If boiler is installed aboveradiation level, a low water cut-offdevice of approved type (field supplied)must be installed in all instances at thehighest point of the piping system. Donot install an isolation valve betweenboiler and low water cut-off.
Follow the installation instructions ofthe low water cut-off manufacturer.
For low water cut-off wiringinformation specific to your application,refer to applicable wiring diagram onthe boiler enclosure panel.
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Boiler below radiation
Vitodens 200
LWCO
Hi-Vent
Boiler above radiation
Vitodens 200
LWCO
Hi-Vent
Boiler ConnectionsBoiler Connections
34
Installation Examples (continued)
Boiler with optional low water cut-off (boiler-mounted, factory supplied)
Viessmann offers an optional boilermounted low water cut-off (LWCO)connection kit, Part No.: 7134609.
LegendAir ventAir bleed valveRubber grommetBoiler heat exchanger connectionExtension adaptorAdaptor, G ¾” to NPTM ¾”Gasket, ¾”
Venting Connection
For detailed installation information andspecific venting requirements,reference the Vitodens 200 VentingSystem Installation Instructionssupplied with the boiler.
Installation InstructionsVitodens 200 VentingSystem
CAUTIONUnder certain climatic conditions some building materials may be affected by flue products expelled in close proximity tounprotected surfaces. Sealing or shielding of the exposed surfaces with a corrosion resistant material (e.g. aluminumsheeting) may be required to prevent staining or deterioration. The protective material should be attached and sealed (ifnecessary) to the building before attaching the vent termination. It is strongly recommended to install the vent terminationon the leeward side of the building.
5285960v1
.2
Vitodens 200, WB2-44/60
LWCO
support for piping /component
These fittings are not designed tosupport any accessories installed.
WARNING
5285960v1
.2
Control Connections
35
Electrical Connections
Overview of electrical connections and plug-in connectors
Vitodens built-in junction box for circulation pumps
a Boiler circuit pumpb Heating circuit pumpc Circulation pump for DHW tank
heating
Control unit
Low voltage connectionsLine voltage connections(230, 60 Hz) from Power/PumpModuleRemote control WS/RSExternal switching of heatingprogram/External heat demandAlarm output*1
Extension kit for heating circuit withmixing valveVitotronic 050/Dekamatik-HK1control unitWall-mount baseExternal burner disableOutdoor temperature sensor
O DHW tank temperature sensorP Low-loss header temp. sensorR Power supply connection
from Power/Pump Module(230 VAC, 60 Hz)
Q Not used
*1An expansion board is required for connection purposes. Direct connection is not permitted. Please contact Viessmann to order anexpansion board (optional).5
285960v1
.2
20 20A 21 40 100 X3B X3A X4
LN
X3
1 2 3 3 421
X7 X2
1 2 33 421
X6
3 421
X5
3 421
X4
RO P Q
Control Connections
36
Electrical Connections (continued)
Overview of electrical connections and plug-in connectors (continued)
Power supply connection of accessoriesThe power supply connection ofaccessories can be made directly at thecontrol. The connection is activatedand deactivated with the system on/offswitch.The Vitotronic 050/Dekamatik-HK1control, the mixing valve extension kitand the Solartrol control require aseparate 120 VAC power supply fromthe wall receptacle.
2-wire cabling required for:Houtdoor temperature sensorHVitotronic 050/Dekamatik-HK1H extension kit for heating circuit withmixing valve
H remote switching of operating modeH remote disableH alarm outputHwall-mount base
3-wire cabling required for:H remote control WS/RSH circulating pump
Note on connection of accessoriesFor details regarding other installation steps required, please reference theInstallation Instructions supplied with the respective accessory part.
Only one accessory part or switch contact can be connected to the contacts of aplug at a time.
5285960v1
.2
Control Connections
37
Electrical Connections (continued)
Routing of connecting cables
1. Secure cables coming from thepower/pump module to the controlmounting bracket with cable ties.Cables must not be securedunderneath mounting bracket, asthis will obstruct the installation ofthe base panel (if necessary, cutflexible conduit to required length).
2. Pull cables between the supportarm and control unit towards you.
It is essential to route cables asillustrated to ensure freedom ofmovement of control unit.Do not kink the capillaries of themanometer.
3. Run cables above the controlmounting bracket directly to thejunction box (circulating pumps).
4. Secure cables below the controlunit with cable ties.
Cables in the vicinity of the controlunit must not be secured to thecontrol unit bracket.
5285960v1
.2
3.
4.2.
1.
When running and securingconnecting cables on site, ensurethat the maximum permissibletemperatures of the cables are notexceeded.
CAUTION
IMPORTANT
IMPORTANT
Control Connections
38
Electrical Connections (continued)
Routing of connecting cables (continued)
5. Loosen and remove junction boxcover.
Installation InstructionsPower/Pump Module
6. Break off required number of tabsfor external cables to be connected(see page 35).
7. Insert necessary bushings.
8. Slide in bottom portion of the strainrelief clamps at the correspondingbushings (create openings by usinga screwdriver).
9. Run cables through correspondingbushings into the control case orjunction box.
10.Attach top portion of strain reliefclamps.
5285960v1
.2
8.5.
6.
9.
7.
10.
Control Connections
39
Electrical Connections (continued)
Outdoor temperature sensor
1. Remove cover of outdoortemperature sensor.
2.Mount wall-mount base (cable entrymust point downward).
The outdoor temperature sensorshould be mounted 6.6 to 8.2 ft./2 to 2.5 m above ground level on thenorth or northwest wall of thebuilding. In case of a multi-storeybuilding, mount outdoor temperaturesensor in the upper half of thesecond floor.Ensure that sensor is not locatedabove windows, doors and air vents,or immediately underneath a balconyor gutter.The outdoor temperature sensor mustnot be covered by plaster. Ifmounting on an unplastered wall,make allowances for thickness ofplaster or remove sensor beforeplastering wall.
3.Connect cable to terminals (wiresare interchangeable).Cable specifications:2-wire cable, max. cable length95 ft./35 m with a wire size of min.AWG 16 copper.
Cable to the outdoor sensor mustnot be laid near line voltage wiring(120/240 V).
4. Place cover on base and snap intoplace.
5.Connect the outdoor temperaturesensor to terminals ”X6.3” and“X6.4” (wires are interchangeable).
X6
1 2 43
2.
4.
1.
3.
5.
X6
1 2 43
2.
4.
1.
3.
5.
IMPORTANT
IMPORTANT
Control Connections
40
Electrical Connections (continued)
DHW tank temperature sensor Accessory
Install DHW tank temperaturesensor as described in theVitocell InstallationInstructions supplied with theDHW storage tank.
1. Insert plug-in connector ”X7” of theDHW tank temperature sensor intoterminal ”X7”.
Low-loss header sensor
When Vitodens 200 boiler is connectedto a DHW storage tank (optional), theDHW tank temperature sensorcomes prewired to terminals 1 and 2on connector “X7”.Remove and discard connector “X7”from the low-loss header sensor, andrewire low-loss header sensor wires toterminals 3 and 4 on connector “X7”of the DHW tank temperaturesensor .
DHW sensorLow-loss header sensor
5285960v1
.2
1 2 43
X7
X7
3 421
X7
3 421
Control Connections
1 2 43
X4
1.
2.
41
Electrical Connections (continued)
External switching of heating program/External heat demand
Load capacity of the connection is 10mA at 24 V–.
For external call for heat function:
See Start-up/ServiceInstructions with regard tochanging the coding addresses.
1. Remove jumper between ”X4.1” and”X4.2”.
2.Connect switch contact toconnector ”X4”.
3. Set coding addresses 011, 027, and0A2.
See Start-up/ServiceInstructions with regard tosetting coding addresses.
External burner disable
1.Connect switch contact to connector”X6”.
The potential-free contact must befield supplied.
See Start-up/ServiceInstructions regardingchanges to the plug-injumper ”X6” and codingaddresses.
5285960v1
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IMPORTANT
1 2 43
X6
1.
IMPORTANT
Control Connections
Conduit holding clips
42
Power/Pump Module Installation
1. Remove cover of power/pumpmodule. Using the four screwssupplied, mount power module baseas shown next to Vitodens boiler.
Mount power/pump module invertical or horizontal position only.DO NOT mount module on theceiling or where it can be exposed tosplashing water.
When installing, note length ofplastic conduit and ensure thatconduit and cable are not undertension after the installation.
2. Run conduit alongside or underneathenclosure of Vitodens 200 boiler.
Plug-in connections ,20A ,
Plug-in connection
Strain relief
3.Make plug-in connections , ,20A , and apply strain relief tocables.Conduit must enter bottom ofVitodens enclosure in the samelocation as piping connections.
H If conduit is routed alongsideboiler, secure to wall, using thesupplied conduit holding clips.
H If required, coil conduit underneathboiler enclosure and secure toboiler frame, using the suppliedwire ties.
5285960v1
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IMPORTANT
IMPORTANT
Control Connections
43
Power/Pump Module Installation (continued)
Power supply connection
1. Install power supply receptacle inrange of module power cord. Ensurethe installation is in compliance withthe regulations of the national and/orlocal authorities having jurisdiction.
2.Connect 120 VAC power supply toreceptacle through low water cut-offsafety device, if so required byauthorities having jurisdiction.
Viessmann recommends the installationof a disconnect switch to the 120 VACpower supply outside the boiler room.
3. Plug power/pump module cord intoinstalled receptacle.
See boiler wiring diagram onthe inside of the boilerenclosure panel.
Technical data
Power supplyHRated voltage: 120 VAC, 1 PH.. . . . . . . . . .
HRated frequency: 60 Hz. . . . . . . . . . . . . . . . . . . . . . . . . .
HRated current: 12 A.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pump outputsH Rated voltage: 120 VAC, 1 PH.. . . . . . . . . .
H Rated frequency: 60 Hz. . . . . . . . . . . . . . . . . . . . . . . . .
H Rated current: 10 A total. . . . . . . . . . . . . . . . . . . . . . .
Pump connections
1. Remove required number ofbreakouts from power/pump module.Install box connectors designed asstrain relief for pump connectingcable.
2. Run cables through box connectorsand secure by tightening connectorscrew.
3.Make connections to plugs , 20A ,in the power/pump module.
DHW recirculation. . . . . . . . . . . . . . . . . . . . . . . . . .
boiler pump with. . . . . . . . . . . . . . . . . . . . . . . . . .
(low-loss headeronly)
20A Heating circuit. . . . . . . . . . . . . . . . . . . . . . . . .
pumpDHW pump.. . . . . . . . . . . . . . . . . . . . . . . . .
H L Line. . . . . . . . . . . . . . . . . . . . . . . . . . .
H Ground. . . . . . . . . . . . . . . . . . . . . . . .
H N Neutral. . . . . . . . . . . . . . . . . . . . . . . . . .
See boiler wiring diagramon the inside of theboiler enclosure panel.
5285960v1
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IMPORTANT
Control Connections
44
Power/Pump Module Installation (continued)
Product information (expansion board)
The installation of an expansion boardallows for failure alarm output.
Expansion board installation (optional)
1. Remove cover of power/pumpmodule by loosening the two Philipsscrews on either side, and insert thefour standoffs into provided holeslocated within the markedboundaries of the expansion board.
2. Install expansion board on the fourstandoffs and ensure that theexpansion board is locked in placeon all four standoff barbs.
See boiler wiring diagram onthe inside of the boilerenclosure panel.
3.Connect green wire from expansionboard to quick-connect terminal onpower/pump module board marked“G”.
4.Using flat pliers, remove breakouttab from module and remove nutfrom cable gland. Slide cable throughopening to the mounting hole.Secure cable gland by tightening nut.
5. Run expansion board cable alongsidethe plastic conduit to the bottom ofthe Vitodens. Secure cable toVitodens frame with wire ties.
5285960v1
.2
Control Connections
45
Power/Pump Module Installation (continued)
Expansion board installation (continued)
6. Remove and discard plug X4 (pink)from boiler control console and insertcable plug X4 into correspondingsocket.
Move all wires connected to plug X4 (ifpreviously installed) to cable plug X4.
7.Apply strain relief to cable.
8. Reinstall Vitodens control consolecover and cover of power/pumpmodule.
Technical data
H Control voltage: 24 VDC, 0.05 A.. . . . . .
H Alarm output: Dry contact. . . . . . . . . . . . . . . . . . . . . .
Rating: 24/250 V,. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 A max.
5285960v1
.2
IMPORTANT
Control Connections
46
Installing the Programming Unit of the Control Unit
Please note:The control unit comes packagedseparately.
1. Slide control unit onto rails on bothsides of the electrical connectionsunit and snap into place.
Electrical connections of individualcomponents of the programming unitare made automatically uponinsertion of the programming unitinto the control base.Do not kink the capillaries ofmanometer.
2. Lock hinges on each side.
3.Attach junction box cover(circulation pumps).
4.Attach base panel.
5.Attach front enclosure panel.
6. Secure in place by rotating slottedscrew.
5285960v1
.2
2.
4.
1.
3.
1.
IMPORTANT
6. 5.
Appendix
47
Start-up Information
Start-up and adjustments
See Vitodens 200Start-up/Service Instructionsfor details on start-up,adjustments and service.
1. File all Parts Lists, Operating andService Instructions in the ServiceBinder.
2. Install a protective hanging case nearthe boiler and store the ServiceBinder in this location.
Technical DataBoiler Model Model No. WB2 11-44 WB2 15-60Natural gasCSA input MBH
kW55-17216-50
80-23023-67
Propane gasCSA input MBH
kW55-15516-45
80-21423-63
Min. gas supply pressureNatural gasPropane gas
“w.c.“w.c.
411
711
Max. gas supply pressure*1
Natural gasPropane gas
“w.c.“w.c.
1414
1414
Max. operating pressureat 210 ºF/99 ºC
psigbar
453
453
Boiler connectionsBoiler heating supply and return NPTF “Pressure relief valve NPTF “Drain valve (male
thread)
Boiler supply/return forindirect-fired DHW storage tank NPTM “
1¼¾¾
1¼
1¼¾¾
1¼Gas supply connection NPTM“ ¾ ¾Flue gas*2
Temperature (at boiler returnwater temp. of 86 ºF/30 ºC)– at rated full load– at rated partial load
Temperature (at boiler waterreturn temp. of 140 ºF/60 ºC)
ºF/ºCºF/ºC
ºF/ºC
95/3591/33
149/65
104/4095/35
158/70
Boiler max. flow rate*3 GPMltr/h
15.43500
15.43500
Weight lbskg
19890
19890
Boiler water content USGltr
4.316.45
4.316.45
Boiler flue gas connection*4 ∅in/mm 4¼/110 4¼/110
Combustion air supplyconnection*4
outer∅ in/mm 6/150 6/150
*1If the gas supply pressure exceeds the maximum gas supply pressure value, a separate gas pressure regulator must be installed upstream of theheating system.
*2Measured flue gas temperature with combustion air temperature of 68 °F/20 °C.*3See “Typical flow rates” on page 24 in these instructions.*4See Installation Instructions of Vitodens 200 Venting System for details.
Wiring Diagram
5285960v1
.25285960v1
.2
48
5285960v1
.2
BURNER
IGNITIO
NMODULE
LGM
29.X
X
26
14
36
CIRCUIT
BOARD
INFR
ONTFR
AME
A2
X14.3
X14.5
X14.4
164
P
AIR
PRES
SURE
SEN
SOR
20VDC
X13.11
33
X13.10
X13.7
X13.6
35
VALV
E
GAS
COMBIN
ATIO
N
X13.4
X13.3
+-
+-
24V
54
*4
11
TRANSFO
RMER
IGNITIO
N
IONIZATIO
N
ELEC
TRODE
SEN
SOR
TEM
PE-
RATURE
BOILER
X11.3
X11.4
3
X11.2
X11.1
Fo
210
47
FIXED
HIG
HLIMIT
X12.8
X12.9
X12.6
X12.7
X12.3
100
230VAC
M
40
INTER
NALCONNEC
TIO
NS
110
INTER
NALVOLT
AGESUPP
LY
15VAC
24VAC
230VAC
X10.4
X10.3
X10.2
X10.1
NL
F3 T6.3A X
8
X9
K2
40
S1
24VDC
F2
T2.5A
15VAC
T6.3A
F1
24VAC
12
3
X3.1
X3.2
X3.3
10
911
X6.1 1
X6.2
2
OR
X6.4
X6.3 34
X4.2
X4.1 12
X4.4
X4.3 34
12
34
5X7
X5.4
X5.3
34
OR
12
3145
X5.4
X5.3
34
OR
24
23
22
21
120
CONTROLUNIT
VR20
A5
X6
ASDEL
IVER
ED
CONDITIO
N
12
GX4
WS/RSREM
OTE
CONTROLUNIT
(ACCES
SORY)
*2
WALL
MOUNTIN
G
FIXTUREW
ITH
PROGRAMMIN
G
UNIT
*2(A
CCES
SORY)
REV
ERSEJU
MPE
R
X6ON
VR20AS
EXTER
NALDISABLE
OFBURNER
FOLL
OW
S
(ON
SITE)OUTDOOR
TEM
PERATURE
SEN
SOR*2
SEN
SOR
DHW
TANK
DHW
TANK
(SUPP
LIED
WITH
TEM
PERATURE
CONNEC
TIO
NKIT)
*2*5*6
DEM
AND
OFHEA
TIN
GPR
OGRAM
(ON
SITE)
EXTER
NALCHANGEO
VER
OREX
TER
NALHEA
T
MIX
ING
VALV
E
EXTEN
SIO
NKIT
7133392
*2
141
CONNEC
TIO
NOF
DEK
AMATIK-H
K1
230VAC
60HZ
M120VAC
ALA
RM
OUTPU
T
DRY
CONTACT
24/120V,5A
PUMP
DHW
BA
X6
NL
21
EXPA
NSIO
NBOARD
7134211(O
PTIO
NAL)
POW
ER/PUMPMODULE
7134208
EXTER
NALCONNEC
TIO
NS
F2a
T10A
F1a
T0.8A
120VAC
230VAC
G
CABLE
FACTORYSUPPLIED*1
CABLE
FACTORYSUPPLIED
(FIELD
WIRIN
G)
PROGRAMMIN
GUNIT
A4
RED
GREE
N
SW
ITCH
CIRCUIT
BOARD
A3
*8PU
MPS
:120V,60HZ,
10FL
ATOTAL(FIELD
SUPP
LIED
)*9THIS
CONNEC
TIO
NCONTROLS
THEDHW
REC
IRCULA
TIN
GPU
MP(FACTORY
DEF
AULT
SET
TIN
G).
THIS
CONNEC
TIO
NBEC
OMES
BOILER
PUMP,
WHEN
ALO
WLO
SSHEA
DER
ISIN
STALL
ED.DHW
REC
IRCULA
TIO
NFU
NCTIO
NW
ILLNOTBEPO
SSIBLE
INTHIS
CASE.
REF
ERTO
BOILER
INSTALL
ATIO
NIN
STRUCTIO
NSMANUAL.
ON
THEIN
TER
NALCONNEC
TIO
NS,
THECONTACTSOFEA
CH
CONNEC
TOR
ARENUMBER
EDIN
ASCEN
DIN
GORDER
FROM
RIG
HTTO
LEFT
.
ONLY
ONEFU
NCTIO
N/A
CCES
SORY
MAY
BE
ASSIG
NED
TO
EACH
CONNEC
TIO
N.
FLOW
SW
ITCH
LN
X13.19
X13.20
X13.18
X13.13
X13.12
X13.9
X13.8
NL
X4
JUNCTIO
NBOX
FOR
POW
ER/PUMPMODULE
SPE
EDCONTROL
FAN
BURNER
SEN
SOR*7
TEM
PERATURE
SUPP
LY
12
3
X4.2
X4.1 12
(ACCES
SORY)
*5
VITOCONTROL
X6.1
X6.2
21
X1
NL
G
40
120VAC
M
SYSTEM
PUMP
NL
20A
M120VAC
BOILER
PUMP
20
NL
13
2X5
POW
ER/PUMPMODULE
JUNCTIO
NBOX
FOR
R1
R2
R3
CONNEC
TIO
N(EXTER
NAL)
CONNEC
TIO
N(IN
TER
NAL)
20A
20
NL
NL
NL
21
*3
*1
*8*9
*8
*8
*6NOTESET
TIN
GOFCODIN
GADDRES
SES
.*5REM
OVEJU
MPE
RX4.1-X
4.2
WHEN
CONNEC
TIN
G.
*4IN
TER
NALREF
EREN
CEPO
TEN
TIA
L.*3COMMUNICATIO
NMODULE
REQ
UIRED
(ACCES
SORY)
*2ONLY
FORW
EATHER
-COMPE
NSATED
OPE
RATIO
N.
*1ONLY
WITH
EXPA
NSIO
NBOARD
7134211(O
PTIO
NAL)
*7ONLY
WITH
LOW
LOSSHEA
DER
(TRANSDUCER
)
MAIN
ON/O
FFSW
ITCH
COMFO
RTROL
5285964v1.109/07
ELEC
TRODES
AND
IGNITIO
N
99
Co
WARNIN
G!DISCONNEC
TPO
WER
CAUTIO
N!LA
BEL
ALL
WIRES
PRIO
RTO
DISCONNEC
TIO
NW
HEN
SER
VICIN
GCONTROLS
.
WIRIN
GER
RORSCAN
CAUSEIM
PROPE
RAND
DANGER
OUSOPE
RATIO
N.VER
IFY
PROPE
R
IFANY
OFTHEORIG
INALW
IREASSUPP
LIED
WITH
THEAPP
LIANCEMUSTBEREP
LACED
ITMUSTBEREP
LACED
WITH
ITS
EQUIVALE
NT.
BEF
ORESER
VIC
ING
BOILER
.
OPE
RATIO
NAFT
ERSER
VIC
ING.
BK
WH
BK1
BK2
BK3
GNYE
BK2
BK1
REC
IRCULA
TIN
G
PUMP
OR
DHW
DISCONNEC
T
SW
ITCH
AP1 P2L2 L1
MAIN
MAIN
POW
ERSUPP
LY
120V,60HZ,
12A
NG
L
LOWWATERCUT-OFF
SAFETYDEVICE
-TYPICAL
120VAC
WALL
REC
EPTACLE158
X7.4
X7.3
X7.1
X7.21
2
Appendix
49
Lighting and Operating Instructions
5285960v1
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FOR YOUR SAFETY READ BEFORE OPERATINGW A R N I N G: If you do not follow these instructions exactly, a fire orexplosion may result causing property damage, personal injury or loss of life.
A. This appliance does not have a pilot. It is equippedwith an ignition device which automatically lightsthe burner. Do not try to light the burner by hand.
B. BEFORE OPERATING smell all around theappliance area for gas. Be sure to smell next to thefloor because some gas is heavier than air and willsettle on the floor.WHAT TO DO IF YOU SMELL GAS• Do not try to light any appliance.• Do not touch any electric switch; do not use anyphone in your building.
• Immediately call your gas supplier from aneighbor’s phone. Follow the gas supplier’sinstructions.
• If you cannot reach your gas supplier, call the firedepartment.
C. Use only your hand to push in or turn the gascontrol knob. Never use tools. If the knob will notpush in or turn by hand, don’t try to repair it, call aqualified service technician. Force or attemptedrepair may result in a fire or explosion.
D. Do not use this appliance if any part has beenunder water. Immediately call a qualified servicetechnician to inspect the appliance and to replaceany part of the control system and any gas controlwhich has been under water.
1. STOP! Read the safety information above on thislabel.
2. Set thermostat or other operating control to lowestsetting.
3. Turn off all electric power to the appliance.
4. This device is equipped with an ignition devicewhich automatically lights the burner. Do not try tolight the burner by hand.
5. Close main gas shut-off valve.
6. Wait five (5) minutes to clear out any gas. Thensmell for gas, including near the floor. If you smellgas, STOP! Follow ”B” in the safety informationabove on this label. If you don’t smell gas, go to thenext step.
7. Open main gas shutoff valve.
8. Turn on all electric power to the appliance.
9. Set thermostat or other operating control todesired setting.
10. If the appliance will not operate, follow theinstructions ”To Turn Off Gas To Appliance” andcall your service technician or gas supplier.
Manual gas shutoff
Open
Closed
TO TURN OFF GAS TO BOILER
1. Set thermostat or other operating control to lowestsetting.
2. Turn off all electric power to the appliance if serviceis to be performed.
3. Close main gas shut-off valve.
OPERATING INSTRUCTIONS
Appendix
50
Ladder Diagram
Legend
X1 Rast-5 terminal,power supply 120 VAC
X1 ,20A , Rast-5 terminal,
power supply for pumps120 VAC, 10 FLA total
X4.1, .G, .2 Rast-5 terminal,power supply for pumps120 VAC, 10 FLA total
F1, F2A Fuses (slow blow)R1, R2, R3 Operating contactsTR Transformer
115/230 VAC, 150 VA
230VAC
0.8A
230VAC
115VAC
F1A
*with low-loss header only
*
5285960v1
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51
5285960v1
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Viessmann Manufacturing Company Inc.750 McMurray RoadWaterloo, Ontario • N2V 2G5 • CanadaTel. (519) 885-6300 • Fax (519) 885-0887www.viessmann.ca • [email protected]
Viessmann Manufacturing Company (U.S.) Inc.45 Access RoadWarwick, Rhode Island • 02886 • USATel. (401) 732-0667 • Fax (401) 732-0590www.viessmann-us.com • [email protected]
52
Printedon
environm
entally
friend
ly(rec
ycledan
drecy
clab
le)pa
per.
Tec
hnical
inform
ationsu
bjec
tto
chan
gewitho
utno
tice
.5285960v1
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