Viessmann B2HA 80 Installation Instructions Manual
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Viessmann B2HA 80 Installation Instructions Manual

Viessmann B2HA 80 Installation Instructions Manual

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Installation Instructions
for use by heating contractor
Vitodens 200-W, B2HA
Models 80 to 100, 285 to 352
Wall-mounted, gas-fired condensing boiler
For operation with natural gas and liquid propane gas
Heating input: 71 to 352 MBH
20 to 103 kW
VITODENS
5685 827 - 14
04/2020
200-W
r
H
Product may not be exactly as shown
IMPORTANT
Read and save these instructions
for future reference.
Please file in Service Binder

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Summary of Contents for Viessmann B2HA 80

  • Page 1 Installation Instructions for use by heating contractor Vitodens 200-W, B2HA Models 80 to 100, 285 to 352 Wall-mounted, gas-fired condensing boiler For operation with natural gas and liquid propane gas Heating input: 71 to 352 MBH 20 to 103 kW VITODENS 200-W Product may not be exactly as shown...

  • Page 2: Safety

    Safety Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Safety, Installation and Warranty Requirements Please ensure that these instructions are read and understood before commencing installation. Failure to comply with the instructions listed below and details printed in this manual can cause product/property damage, severe personal injury, and/or loss of life.

  • Page 3: About These Installation Instructions

    Safety Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Safety, Installation and Warranty Requirements Suppliers of fiberglass wool products recommend the Fiberglass wool and ceramic fiber materials following precautions be taken when handling these materials: WARNING - Avoid breathing fiberglass dust and contact with skin and eyes.

  • Page 4: Table Of Contents

    Table of Contents Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Page Safety Safety, Installation and Warranty Requirements.....2 Product documentation..........2 Warranty..............2 Licensed professional heating contractor....2 Contaminated air............2 Advice to owner............2 Carbon monoxide.............2 Fresh air..............2 Equipment venting...........2 About these Installation Instructions......3 General Information Important Regulatory and Installation Requirements..6...
  • Page 5 Table of Contents Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Page Boiler Connections (continued) Safety Connections...........29 Installing boiler safety devices.........29 Low water cut-off..........30 Waterside Flow............30 Waterside flow (primary circuit).......30 Installation Examples..........32 General..............32 Clearances............32 System Layout 1-10..........33 Alternative DHW Connection........43 Boiler in Heating/Cooling..........44...

  • Page 6: General Information

    General Information Vitodens 200-W B2HA 80, 88, 100 Installation Important Regulatory and Installation Requirements Codes The installation of this unit shall be in accordance with The following topics must be covered: local codes or, in the absence of local codes, use CAN/ Proper system operation sequence.

  • Page 7: For Installations On The Commonwealth Of Massachusetts

    VIESSMANN IS NOT RESPONSIBLE FOR ANY DAMAGES THAT THE FOLLOWING TEST PROCEDURE MAY RESULT IN BY OVERHEATING THE SYSTEM.

  • Page 8: Applicability

    (DHW) production. Models B2HA 80 to 100, 285 to 352 are for operation with natural gas. For a fuel conversion to liquid propane gas refer to the service instructions for details.

  • Page 9: Mechanical Room

    General Information Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Mechanical Room During the early stages of designing a new home, we recommend that proper consideration be given to constructing a separate mechanical room dedicated to the gas- or oil-fired heating equipment and domestic hot water storage tank(s).

  • Page 10: Set-Up

    Set-up Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Before Set-up Before placing boiler in its installation location, ensure all necessary accessories are installed. CAUTION The boiler must be installed in such a way that gas ignition system components are protected from water (spraying, splashing, etc.) during boiler operation and...

  • Page 11: Preparing The Connections

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Preparing the Connections Use an approved pipe sealant or teflon tape when connecting the following installation fittings. This section constitutes an overview only! Refer to subsequent sections for detailed information on individual piping connections.
  • Page 12 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Preparing the Connections (continued) This section constitutes an overview only! Refer to Note: When preparing gas, water and electrical subsequent sections for detailed information on individual connections in the field, see section entitled piping connections.

  • Page 13: Wall Mounting

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Wall Mounting Fitting the wall mounting bracket Following are the installation instructions for the mounting bracket on each material. See the instructions applicable to your installation requirements. Installing the wall mounting bracket The Vitodens 200-W B2HA can be wall-mounted on a concrete wall.

  • Page 14: Boiler Mounting Bracket

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Wall Mounting (continued) Boiler mounting bracket Install the boiler mounting bracket to the wall studs. Ensure the mounting bracket is level. To mount on wood or metal studs a cross bar or frame may be required as reinforcement.
  • Page 15 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Wall Mounting (continued) 1. Remove the external accessories connection box cover. 2. Loosen the screws at the bottom of the boiler (do not remove completely). 3. Remove the front encloser panel (lift up and pull away from the boiler).

  • Page 16: Frame Mounting

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Frame Mounting The boiler stand is used for free-standing installation of a single boiler within the mechanical room. When using the boiler stand, ensure that the stand is...

  • Page 17: Models B2Ha 80 To 100, 285 To 352 Frame Mounting

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Models B2HA 80 to 100, 285 to 352 Frame Mounting 1. Remove the external accessories connection box cover. 2. Loosen the screws at the bottom of the boiler (do not remove completely).

  • Page 18: Connections

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connections Connecting power The Vitodens 200-W boiler has a external accessories connection box installed, which requires a 120VAC/12A power supply. Refer to the wiring diagram on page 47.

  • Page 19: Gas Connection And Piping

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connections (continued) Gas connection and piping 1. Refer to current CAN/CSA B149.1 and .2 or National Fuel Gas Code ANSI Z223.1/NFPA 54, as well as local codes for gas piping requirements and sizing.

  • Page 20: Gas Piping Pressure Test

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connections (continued) Heating water connections Gas piping pressure test When performing the gas piping pressure test, ensure the 1. Thoroughly flush heating system (particularly before following requirements are met.

  • Page 21: Dhw Storage Tank Information

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connections (continued) DHW storage tank information The DHW water tank sensor is required when using a stand-alone DHW storage tank with the Vitodens 200-W B2HA heating boiler. It comprises the sensor only required for the connection of a stand-alone tank.

  • Page 22: Accessing The Control Unit Connections

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connections (continued) Accessing the control unit connections 1. Remove both screws from the external accessory connection box front plate and set aside. 2. Loosen both retaining screws as shown (do not remove).
  • Page 23 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connections (continued) 5. Tilt the bottom of the external accessory connection box cover forward. 6. Pull the cover up to clear the locating pins and out to remove, then set aside.

  • Page 24: Routing The Connecting Cables

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connections (continued) 12. Route all connecting cables to the appropriate areas and secure the cables to the control base using existing strain reliefs as shown. CAUTION When running and securing connecting cables on site, ensure that the maximum permissible temperatures of the cables are not exceeded.

  • Page 25: Connecting Dhw Sensor

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connections (continued) Connecting DHW sensor 1. Attach the DHW sensor to the quick connect plugs provided from the boiler control board (see page 24). Install DHW tank temperature sensor as described in the Vitocell Installation Instructions supplied with the DHW storage tank.

  • Page 26: Control Base

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connections (continued) Control base Note: See wiring diagram on page 47 for connection to the external accessory connection box. OUTDOOR TEMPERATURE TEMPERATURE SENSOR SENSOR...

  • Page 27: External Accessory Connection Box

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connections (continued) External accessory connection box IMPORTANT Note: See wiring diagram on page 47 for connection to the control base. Electrical installations must comply with the latest edition of: In the U.S.A., the National Electrical Code (NEC),...

  • Page 28: Condensate Connection

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connections (continued) Condensate connection The Vitodens 200-W B2HA boiler comes with a built-in condensate trap. An external trap is not required when connecting the field drain to flexible discharge tubing.

  • Page 29: Safety Connections

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Safety Connections Installing boiler safety devices 1. Remove loosely pre-assembled combination pressure relief valve and drain valve assembly. 2. Apply sufficient amount of pipe sealant to both ends of all pipe fittings B,D,F and H and install onto tees A, and E.

  • Page 30: Low Water Cut-Off

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Safety Connections (continued) Low water cut-off A low water cut-off device may be required by local codes. If required, a low water cut-off device of an approved type (field supplied), is to be installed as per the manufacturers instructions.
  • Page 31 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Waterside flow (continued) Boiler max. flow rate for B2HA 80, 285; 25 GPM (5700 L/h) Model B2HA 80, 285 1 boiler 2 boilers 3 boilers 4 boilers 5 boilers...

  • Page 32: Installation Examples

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Installation Examples General The schematics on the following pages are to be seen WARNING as guidelines only. They further do not display all system varieties, safety devices, or concepts possible. Specific...

  • Page 33: System Layout 1-10

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation System Layout 1 Vitodens 200-W, B2HA with a direct-connected heating circuit Legend Installation of ... A Vitodens 200-W B2HA boiler with radiator heating circuit (high-temp. circuit) ■ Vitotronic 200, HO1B outdoor reset control DHW production ■...
  • Page 34 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation System Layout 2 Vitodens 200-W, B2HA with one heating circuit and low-loss header Legend Installation of ... Vitodens 200-W B2HA boiler with radiator heating circuit (high-temp. circuit) ■...
  • Page 35 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation System Layout 3 Vitodens 200-W, B2HA with... - DHW storage tank - one heating circuit with mixing valve and system separation Installation of ... underfloor heating circuit with 3-way mixing valve ■...
  • Page 36 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation System Layout 4 Vitodens 200-W, B2HA with... - DHW storage tank - one direct-connected heating circuit - one heating circuit with a mixing valve Legend Installation of different heating circuits...
  • Page 37 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation System Layout 5 Vitodens 200-W, B2HA with... - DHW storage tank - one heating circuit with mixing valve - one heating circuit without mixing valve and low-loss header Legend Installation of different heating circuits...
  • Page 38 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation System Layout 6 Vitodens 200-W, B2HA with... - DHW storage tank - one heating circuit without a mixing valve - two heating circuits with a mixing valve - low-loss header Legend Installation of different heating circuits...
  • Page 39 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation System Layout 7 Vitodens 200-W, B2HA with... - direct-connected heating circuit - one heating circuit with system separation Installation of different heating circuits... Legend radiator heating circuit (high-temp. circuit) ■...
  • Page 40 - low-loss header - multiple heating circuits with mixing valves - one heating circuit without mixing valve When designing a system as illustrated above, please contact your local Viessmann Sales Representative for assistance. Legend *1 Contact your local Sales Representative for details.
  • Page 41 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation System Layout 9 Vitodens 200-W, B2HA/B2HB with... - DHW storage tank - low-loss header - three zone circuits Installation of different heating circuits... Legend Vitodens 200-W boilers DHW production ■...
  • Page 42 Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation System Layout 10 Multiple (up to eight) Vitodens 200-W, models B2HA 80 to 100, 285 to 352 with... - multiple heating circuits with mixing valves - low-loss header...

  • Page 43: Alternative Dhw Connection

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Alternative DHW Connection The following piping diagram reflects an alternative connection for the DHW tank only and applies to system layouts 2, 5, 6 and 8. The boiler control pump logic function must be programmed in the Service Instructions.

  • Page 44: Boiler In Heating/Cooling

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Boiler in Heating/Cooling Boiler in heating/cooling application The boiler, when used in connection with a refrigeration system, must be installed ensuring the chilled medium is piped in parallel to the boiler with appropriate valves to prevent the chilled medium from entering the boiler.

  • Page 45: Boiler With Low Water Cut-Off

    Boiler Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Boiler with Low Water Cut-off Boiler with low water cut-off (remote-mounted, Automatic Automatic field supplied) air vent air vent A low water cut-off may be required by local codes. Do not install an isolation valve between boiler and low water cut-off.

  • Page 46: Control Connections

    Control Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Electrical Connections Power supply connection of accessories The power supply connection of accessories can be made directly at the control. The connection is activated and deactivated with the system on/off switch.

  • Page 47: Overview Of Electrical Connections, Models B2Ha 80 To 100, 285 To 352

    Wiring Diagram Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Overview of Electrical Connections, Models B2HA 80 to 100, 285 to 352 CAUTION WARNING DISCONNECT POWER BEFORE Label all wires prior to disconnection SERVICING BOILER. when servicing controls. Wiring errors can cause improper and dangerous operation.
  • Page 48 Wiring Diagram Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Overview of Electrical Connections, Models B2HA 80 to 100, 285 to 352 (continued) Legend IMPORTANT Outdoor Temperature Sensor Supply Temperature Sensor/Low Loss Header Electrical installations must comply with the latest edition of:...

  • Page 49: Accessing The X3 Plug

    Control Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Accessing the X3 Plug 1. Remove the control unit cover (see page 23). 2. Remove the X3 plug from the control board. Install the required sensors as per installation instructions.

  • Page 50: Connecting The Outdoor Temperature Sensor

    Control Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connecting the Outdoor Temperature Sensor 1. Remove cover of outdoor temperature sensor. 2. Mount wall-mount base (cable entry must point downward). IMPORTANT The outdoor temperature sensor should be mounted 6.6 to 8.2 ft.

  • Page 51: External 0-10 Volt Signal Connection

    Control Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation External 0-10 Volt Signal Connection 1. Connect the external 0-10V signal to plug 0-10V located in the extension module EA1. Extension Module EA1 2. Ensure correct polarity. 3. See chart for maximum possible boiler water temperature and required signal.

  • Page 52: Connecting A 24Vac Thermostat

    Control Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Connecting a 24VAC Thermostat 1. Connect normally open dry contact of the switching relay (‘T-T’ contact) to terminal DE1, DE2 or DE3 of the EA1 module located in the boiler electrical junction box.

  • Page 53: Thermostat Connection

    Control Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Thermostat Connection Legend Refer to the boiler Installation Instructions for A Room thermostat (dry contact) zone circuit 1 locating and accessing the integrated EA1 module. B Room thermostat (dry contact) zone circuit 2...

  • Page 54: Pump Connection

    Control Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Pump Connection Connection to boiler Pump output assignment is done using the start-up wizard. A maximum of 2 zone circuit pumps can be connected to the boiler additional pumps will require the use of an AM1 extension module.

  • Page 55: Lon Module

    Control Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation LON Module Installing the LON module to the boiler control board 1. Remove the control cover (see page 23). 2. Insert the LON module into the boiler control board.

  • Page 56: Accessory Kit

    Control Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Accessory Kit Accessory kit connections for heating circuit with mixing valve Boiler Control The mixing valve controller kit can only be used with wall-mounted gas-fired hot water heating boilers and a weather-responsive control;...

  • Page 57: Closing The External Accessory Connection Box

    Control Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Closing the External Accessory Connection Box 4. Tilt the top of the external accessory connection box cover forward. 5. Drop down over the locating pins and set the cover in place.

  • Page 58: Reinstalling The Front Enclosure Panel

    Control Connections Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Closing the External Accessory Connection Box (continued) 8. Tighten the external accessory connection box retaining screw. 9. Install the external accessory connection box cover screws. Reinstalling the Front Enclosure Panel 10.

  • Page 59: Additional Information

    Additional Information Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Installation Fittings Parts 0301 Nipple ¾ in. x 1b in. 0302 Sediment faucet ¾ in. 0303 Tee, ¾ in. 0304 Nipple ¾ in. x 3b in. 0305 Reducing tee 1b in. x 1b in. x ¾ in.

  • Page 60: Technical Data

    Additional Information Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Technical Data Boiler Model No. B2HA 80, 285 88, 311 *A 100, 352 *A CSA input Natural Gas (NG) 71-285 71-311 71-352 (kW) (21-83) (21-91) (21-103) 104-285 104-311...
  • Page 61 Do not exceed max. equivalent length specified in the Installation Instructions of the Vitodens 200-W, B2HA Venting System. Vitodens 200-W B2HA 80 to 100, 285 to 352 boilers can only be common vented with other Vitodens 200-W boilers of the same size.

  • Page 62: Lighting And Operating Instructions

    Additional Information Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation Lighting and Operating Instructions FOR YOUR SAFETY READ BEFORE OPERATING W A R N I N G: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
  • Page 63 Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation...
  • Page 64 Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation...

This manual is also suitable for:

Vitodens 200-wB2ha 285B2ha 88B2ha 311B2ha 100B2ha 352

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