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Quick Start-up Guide

6167 990 - 03    09/2021

Before you install the boiler;

This boiler is configured for Natural Gas from the factory. If conversion to 

Propane Gas is required, the conversion kit supplied with the boiler must be used.
This guide is designed to provide a quick overview to the licensed professional 

heating contractor for installing the Vitodens 200-W B2HE boiler. It is NOT 

a substitute for the technical support literature supplied with the boiler and 

accessories. 

The technical support literature for each product contains the necessary 

safety and national/local code requirements which, if not followed exactly, 

may lead to property damages, personal injuries and/or loss of life. Viessmann 

Manufacturing assumes no responsibility for damage(s) of any kind caused by 

inappropriate use of this manual and/or failure to read the technical literature 

provided which may also render the warranty null and void.

Codes

The installation of this unit shall be in accordance with local codes or, in the 

absence of local codes, use CAN/CSA-B149.1 or .2 Installation Codes for 

Gas Burning Appliances for Canada. For U.S. installations use the National 

Fuel Gas Code ANSI Z223.1. Always use latest editions of codes.
In Canada all electrical wiring is to be done in accordance with the latest 

edition of CSA C22.1 Part 1 and/or local codes. In the U.S. use the National 

Electrical Code ANSI/NFPA 70. The heating contractor must also comply with 

both the Standard for Controls and Safety Devices for Automatically Fired 

Boilers, ANSI/ASME CSD-1, and the Installation Code for Hydronic Heating 

Systems, CSA B214-01, where required by the authority having jurisdiction.

for use by a licensed professional heating contractor 

for typical installations

Vitodens 200-W, B2HE

Models 85 to 199

Wall-Mounted, gas-fired condensing boilers

On demand domestic hot water with Combi

 

boiler

Heating input:  8.5 to 199 MBH (2.5 to 58.3 kW)

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Unpacking and Included with Boiler 

Unpacking and Included with Boiler 

1

Unpack and set aside 

(e.g. the front cover panel, 

the documentation package, 

installation fittings, etc.)

 

   

Boiler Installation Dimensions and Mounting Details

Boiler Installation Dimensions and Mounting Details

  

2

Ensure that the boiler bracket and boiler are securely fastened and level.

IMPORTANT

Refer to the “Dimensions and Installation” sections of the B2HE 

Installation and Service Instructions for more detail.

Summary of Contents for VITODENS 200-W B2HE 150

Page 1: ...es for Canada For U S installations use the National Fuel Gas Code ANSI Z223 1 Always use latest editions of codes In Canada all electrical wiring is to be done in accordance with the latest edition o...

Page 2: ...Boiler pressure relief valve PRV and pressure gauge I Low loss header accessory J Boiler fill K Indirect DHW tank L Expansion tank Low loss header Viessmann optional accessory Boiler Boiler Condensate...

Page 3: ...Equivalent length 87 elbow 87 inspection tee 1 6 ft 0 5 m 45 elbow 1 ft 0 3 m Refer to the Rigid and Flex Pipe Venting Systems Instructions supplied Flue Connection for Single or Two Pipe Systems Flu...

Page 4: ...with the control base clips Opening the junction box 4 Release junction box cover clamps 5 Lift the junction box cover Legend A Diaphragm grommets low voltage B ON OFF switch C Knockouts for 120VAC c...

Page 5: ...o 3 zone circuits Each zone circuit includes input output for one pump and one thermostat 24VAC or Dry Contact field supplied For systems with primary secondary loops using Low Loss Header or Closely...

Page 6: ...iler application Heating circuits with mixing valve or heating circuits with mixing valve with external hook up if installed DHW Not available Tank with one sensor Tank with one sensor and DHW circula...

Page 7: ...the Room Temperature 25 Setting the Room Temperature Setting the Room Temperature 26 Setting DHW Temperature Setting DHW Temperature 27 1 Taap the header bar and select desired heating circuit 2 Tap 3...

Page 8: ...ere 0 C Lead break outside temperature sensor Check the operating mode setting in the commissioning assistant and correct if necessary Check outside temperature sensor and connection to sensor externa...

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