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Viessmann B2HA 19 Installation Instructions Manual

Wall-mounted, gas-fired condensing boiler
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Installation Instructions
for use by heating contractor
Vitodens 200-W, Series B2HA
Models 19, 28, 35
Wall-mounted, gas-fired condensing boiler
For operation with natural gas and liquid propane gas
Heating input: 12 to 125 MBH
3.5 to 37 kW
VITODENS
5683 701 - 13
10/2017
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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  • Page 1 Installation Instructions for use by heating contractor Vitodens 200-W, Series B2HA Models 19, 28, 35 Wall-mounted, gas-fired condensing boiler For operation with natural gas and liquid propane gas Heating input: 12 to 125 MBH 3.5 to 37 kW VITODENS 200-W Product may not be exactly as shown IMPORTANT Read and save these instructions...

  • Page 2: Safety

    Safety Vitodens 200-W B2HA 19, 28, 35 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 19, 28, 35 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 19, 28, 35 Installation Page Safety Safety, Installation and Warranty Instructions....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..5...
  • Page 5 Table of Contents Vitodens 200-W B2HA 19, 28, 35 Installation Page Boiler Connections Safety Connections and Pressure Testing.....29 (continued) Installing boiler safety devices.........29 Low water cut-off..........30 Performing a boiler pressure test......30 Waterside Flow............30 Waterside flow (primary circuit).......30 Installation Examples..........32 General..............32 Clearances............32...

  • Page 6: Important Regulatory And Installation Requirements

    General Information Vitodens 200-W B2HA 19, 28, 35 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

    CSD-1 Field Testing of High Limit Switches for Vitodens boilers – where required by law. 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 19, 28 and 35 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 19, 28, 35 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: Before Set-Up

    General Information/Set-up Vitodens 200-W B2HA 19, 28, 35 Installation Mechanical Room (continued) In such areas, higher concentration levels of chlorides IMPORTANT from sea spray, coupled with relative humidity, can lead to degradation of the exposed metallic surfaces Boiler operation in marine environments (damp, salty mentioned above.

  • Page 11: Preparing The Connections

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 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 19, 28, 35 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 19, 28, 35 Installation Wall Mounting Fitting the wall mounting bracket Installing the wall mounting bracket Following are the installation instructions for the mounting The Vitodens 200-W B2HA can be wall-mounted on a bracket on each material. See the instructions applicable concrete wall.

  • Page 14: Boiler Mounting Bracket

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 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: Mounting The Boiler

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 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 enclosure panel (lift up and pull away from the boiler).

  • Page 16: Frame Mounting

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 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 securely fastened to the floor (recommended concrete expansion anchors are Hilti model KB-TZ e x 4 or equivalent.

  • Page 17: Mounting The Boiler

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 Installation Frame Mounting (continued) Mounting the boiler 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 18: Connections

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 Installation Connections Connecting power The Vitodens 200-W boiler has an external accessories connection box installed, which requires a 120VAC/12A power supply. Refer to the wiring diagram (see page 44). Boiler venting The Vitodens 200-W B2HA boiler comes with a pre-installed vent pipe adaptor.

  • Page 19: Gas Connection And Piping

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 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 19, 28, 35 Installation Connections (continued) Gas piping pressure test Heating water connections When performing the gas piping pressure test, ensure the 1. Thoroughly flush heating system (particularly before following requirements are met. connecting the boiler to an existing system).

  • Page 21: Dhw Storage Tank Information

    Viessmann DHW storage tank when mounting and securing DHW tank temperature sensor %. WARNING If a DHW storage tank other than a Viessmann Vitocell 100 or 300 tank is used, the installer must verify proper operation of the Viessmann DHW tank temperature sensor with original manufacturer of the tank.

  • Page 22: Accessing The Control Unit Connections

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 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 19, 28, 35 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 19, 28, 35 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 19, 28, 35 Installation Connections (continued) Connecting DHW sensor 1. Attach the DHW sensor to the quick connect plugs 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 19, 28, 35 Installation Connections (continued) Boiler control base OUTDOOR Note: See wiring diagram on page 42 for connection to TEMPERATURE TEMPERATURE the external accessory connection box. SENSOR SENSOR...

  • Page 27: External Accessory Connection Box

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 Installation Connections (continued) External accessory connection box IMPORTANT Note: See wiring diagram on page 44 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), ANSI/NFPA 70 and any other state, local codes and/or regulations.

  • Page 28: Condensate Connection

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 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. Discharge tubing (field supplied) must be of 1 in.

  • Page 29: Safety Connections And Pressure Testing

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 Installation Safety Connections and Pressure Testing Installing boiler safety devices 1. Remove the pressure relief valve, drain valve and fittings from the box. 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

    If system flow rate exceeds boiler maximum flow rate (as stated above), falls below the minimum flow rate or if system flow rate is unknown, Viessmann strongly recommends the installation of a low-loss header. Once the low-loss header is connected, the built-in low- loss header logic of the Vitodens 200-W boiler ensures the required t across the system through the sensory...
  • Page 31 Boiler Connections Vitodens 200-W B2HA 19, 28, 35 Installation Waterside flow (continued) Pressure drop (primary circuit) for Vitodens 200-W, B2HA 19, 28, 35 For sizing an on-site circulation system. Max. flow rate: 6.2 GPM (1400 L/h) Flow rate Boiler maximum flow rate 6.2 GPM (1400 L/h)

  • Page 32: Installation Examples

    Specific system layouts may be further discussed with the local If a DHW storage tank other than a Viessmann Vitocell Viessmann sales representative office. 100 or 300 tank is used, the installer must verify proper operation of the Viessmann DHW tank temperature sensor with the original manufacturer of the tank.

  • Page 33: System Layout 1-8

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 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 19, 28, 35 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 Vitotronic 200, HO1B outdoor reset radiator heating circuit (high-temp. circuit) ■...
  • Page 35 Boiler Connections Vitodens 200-W B2HA 19, 28, 35 Installation System Layout 3 Vitodens 200-W, B2HA with... - DHW storage tank - one heating circuit with mixing valve and system separation Installation of ... Legend underfloor heating circuit with 3-way mixing valve ■...
  • Page 36 Boiler Connections Vitodens 200-W B2HA 19, 28, 35 Installation System Layout 4 Vitodens 200-W, B2HA with... - DHW storage tank - one direct-connected heating circuit - one heating circuit with a mixing valve Installation of different heating circuits... Legend Vitodens 200-W B2HA boiler with radiator heating circuit (high-temp.
  • Page 37 Boiler Connections Vitodens 200-W B2HA 19, 28, 35 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 Installation of different heating circuits...
  • Page 38 Boiler Connections Vitodens 200-W B2HA 19, 28, 35 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 19, 28, 35 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) ■ Vitodens 200-W B2HA boiler with Vitotronic 200, under floor heating circuit with 3-way mixing valve ■...
  • 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 Vitodens 200-W B2HA boiler with Vitotronic *1 Contact your local Sales Representative for details.

  • Page 41: Alternative Dhw Connection

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 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 42: Boiler In Heating/Cooling

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 Installation 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 43: Boiler With Low Water Cut-Off

    Boiler Connections Vitodens 200-W B2HA 19, 28, 35 Installation Boiler with Low Water Cut-off Boiler with low water cut-off (remote-mounted, field supplied) Automatic Automatic 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 44: Control Connections

    Control Connections Vitodens 200-W B2HA 19, 28, 35 Installation Overview of Electrical Connections, Models B2HA 19, 28, and 35 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 45: Power Supply Connection Of Accessories

    Control Connections Vitodens 200-W B2HA 19, 28, 35 Installation Overview of Electrical Connections, Models B2HA 19, 28, and 35 (continued) Legend IMPORTANT Outdoor Temperature Sensor Supply Temperature Sensor/Low Loss Header Electrical installations must comply with the latest edition of: Boiler Temperature Sensor DHW Temperature Sensor In the U.S.A., the National Electrical Code (NEC),...

  • Page 46: Electrical Connections

    Control Connections Vitodens 200-W B2HA 19, 28, 35 Installation Electrical Connections Power supply connection of accessories Cabling required for: The power supply connection of accessories can be made H outdoor temperature sensor directly at the control. The connection is activated and H Vitotronic 200-H, HK1B mixing valve control deactivated with the system on/off switch.

  • Page 47: Accessing The X3 Plug

    Control Connections Vitodens 200-W B2HA 19, 28, 35 Installation Accessing the X3 Plug 1. Remove the control unit cover (see page 15). 2. Remove the X3 plug from the control board. Install the required sensors as per instructions. Reinstall the control cover.

  • Page 48: Connecting The Outdoor Temperature Sensor

    Control Connections Vitodens 200-W B2HA 19, 28, 35 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. (2 to 2.5 m) above ground level on the north or northwest wall of the building.

  • Page 49: External 0-10 Volt Signal Connection

    Control Connections Vitodens 200-W B2HA 19, 28, 35 Installation External 0-10 Volt Signal Connection 1. Connect the external 0-10V signal to plug 0-10V located in the extension module EA1. 2. Ensure correct polarity. 3. See chart for maximum possible boiler water Extension Module EA1 temperature and required signal.

  • Page 50: Vac Thermostat Connection

    Control Connections Vitodens 200-W B2HA 19, 28, 35 Installation Connecting a 24 VAC 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 51: Lon Module

    Control Connections Vitodens 200-W B2HA 19, 28, 35 Installation LON Module Installing the LON module to the boiler control board 1. Remove the control cover (see page 15). 2. Insert the LON module into the boiler control board. 3. Connect the LON connector cable to the LON module.

  • Page 52: Accessory Kit

    Control Connections Vitodens 200-W B2HA 19, 28, 35 Installation Accessory Kit Accessory kit connections for heating circuit with Boiler mixing valve Control The mixing valve controller kit can only be used with wall-mounted gas-fired hot water heating boilers and a weather-responsive control; it can be used as an alternative for a Vitotronic control.

  • Page 53: Closing The External Accessory Connection Box

    Control Connections Control Connections Vitodens 200-W B2HA 19, 28, 35 Installation Closing the External Accessory Connection Box 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 54: Reinstalling The Front Enclosure Panel

    Control Connections Vitodens 200-W B2HA 19, 28, 35 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. Set front enclosure panel on the guide rails and push in place.

  • Page 55: Technical Data

    Additional Information Vitodens 200-W B2HA 19, 28, 35 Installation Technical Data Boiler Model No. 200-W B2HA CSA input Natural Gas (NG) 12-67 19-100 19-125 (kW) (3.5-20) (5.5-29) (5.5-37) CSA input Liquid Propane Gas (LPG) 12-67 19-100 19-125 (kW) (3.5-20) (5.5-29) (5.5-37)
  • Page 56 For details refer to the Installation Instructions for the Vitodens 200-W, B2HA Venting System. For information regarding other Viessmann System Technology componentry, please reference documentation of respective product. Note: For high altitude installation at 10,000 ft. the input for model B2HA 19-80 will have an altitude de-ration of 21%.

  • Page 57: Installation Fittings

    Additional Information Vitodens 200-W B2HA 19, 28, 35 Installation Installation Fittings Parts 0301 Nipple ¾” x 2” 0302 Sediment faucet ¾” 0303 Tee, ¾” 0304 Nipple ¾” x 4b” 0306 Gas ball valve ¾” 0312 Pressure relief valve, 30 psig...

  • Page 58: Lighting And Operating Instructions

    Additional Information Vitodens 200-W B2HA 19, 28, 35 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 59 Vitodens 200-W B2HA 19, 28, 35 Installation...
  • Page 60 Vitodens 200-W B2HA 19, 28, 35 Installation...

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