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Viessmann Vitodens 100-W Technical Data Manual
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Viessmann Vitodens 100-W Technical Data Manual

Gas-fired wall-mounted condensing boiler 37 to 118 mbh/10.8 to 34.6 kw
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Download this manual See also: Instructions for Installation and Servicing, Technical Manual
Model Nos. and pricing: see Price List
Vitodens 100-W
WB1B Series
Gas-Fired Wall-Mounted Condensing Boiler
with modulating stainless steel MatriX cylinder
burner and stainless steel Inox-Radial heat exchanger
for room air independent operation
(using a direct vent system) or room
air dependent operation
5369 277 v1.4 12/2009
Vitodens 100-W, WB1B
(with preinstalled coaxial vent pipe adaptor)
VITODENS 100-W
Gas-fired wall-mounted condensing boiler
37 to 118 MBH / 10.8 to 34.6 kW
 This trademark is registered with the U.S. Patent and Trademark Office.

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Summary of Contents for Viessmann Vitodens 100-W

  • Page 1 Gas-fired wall-mounted condensing boiler 37 to 118 MBH / 10.8 to 34.6 kW Technical Data Manual Model Nos. and pricing: see Price List Vitodens 100-W, WB1B (with preinstalled coaxial vent pipe adaptor) Vitodens 100-W WB1B Series Gas-Fired Wall-Mounted Condensing Boiler...

  • Page 2: Product Information

    Product Information VITODENS 100-W Equipped with a Viessmann stainless steel HMultiple venting options heat exchanger for lasting performance and - Horizontal or vertical sealed combustion reliability and a modulating MatriX cylinder coaxial vent system (factory supplied). gas burner, the Vitodens 100-W...
  • Page 3 Product Information Cross-Section Legend Stainless steel MatriX cylinder burner Inox-Radial stainless steel heat exchanger Burner blower Gas and hydronic connections Boiler control Standard Equipment: Wall-mount boiler and installation fittings c/w 30 psi pressure relief valve, pressure gage, gas shut-off valve, two fill/drain valves, all mounting hardware, outdoor temperature sensor, and LP conversion kit.

  • Page 4: Technical Data

    Technical Data Technical Data Standard heating boiler Boiler Model Model No. WB1B 26 WB1B 35 Natural gas and LPG 37-91 37-118 CSA input 10.8-26.7 10.8-34.6 34-83 34-108 CSA output/DOE 9.9-24.3 9.9-31.6 heating capacity Net I=B=R rating 10.23 10.23 Heat exchanger surface area 0.86 0.86 Min.
  • Page 5 For 5,000 to 10,000 ft / 1,500 to 3,048 m operation, a coding address change is required. Refer to the Installation and Service Instructions for details. " For information regarding other Viessmann System Technology componentry, please reference documentation of respective product.
  • Page 6 Vitodens 100-W Vitodens 100-W, WB1B 26/35 without piping connections Top view Side view Fig. 1 Front view Connections Vitodens 100-W, WB1B 10-26, 10-35 Legend Connections Dimensions Condensate drain, plastic hose See fig. 2 for dimensions Ø 1” / 25mm 15¾” / 400 mm Boiler water supply, NPT ¾”...
  • Page 7 Vitodens 100-W Vitodens 100-W, WB1B 26/35 with piping connections Piping connections for Vitodens 100-W, WB1B 10-26 and 10-35 (factory supplied) 15¾” / ”/ 14” / 400mm 68 mm 355mm Legend BWR Boiler water return, ¾” BWS Boiler water supply, ¾”...
  • Page 8 Vitodens Venting System for details. Back 28”/700 mm 0”/mm 0”/mm Note: The Vitodens 100-W boiler has passed the zero inches vent clearance to combustibles Side Fig. 4 testing requirements provided by the boiler Harmonized Standard ANSI Z21.13. CSA 4.9.2005 and therefore is listed for zero...
  • Page 9 Observe boiler maximum and minimum flow rate limitations. If system flow rate exceeds boiler maximum flow rate (as stated on page 13) or if system flow rate is unknown, Viessmann strongly recommends the installation of a low-loss header. See page 13 for low-loss header information.
  • Page 10 DHW Production/Wall Mounting Domestic Hot Water Production via DHW Storage Tank Vitodens 100-W boilers can be used in Size and select the DHW storage tank based For further technical information on DHW conjunction with the stand-alone DHW on the forecast DHW consumption of the...
  • Page 11 If the condensate outlet of the details of local regulations that apply. value between 3 and 4. Vitodens 100-W boiler is lower than the drain, a condensate pump must be used. The following table shows the concentration Some local codes may require the use of a of (effluent) substances (e.g.
  • Page 12 41°F / 5°C and is switched OFF again when the boiler water temperature reaches at least 59 °F / 15°C (but not more than 68°F / 20°C). For details on the control, please refer to the Vitodens 100-W Operating Instructions.
  • Page 13 See Fig. 10 and 11 for an maximum system flow rate of your illustration of the principle of operation. application. for Vitodens 100-W, WB1B 10-26, 10-35 Part No. 7134 231 Model No. Max. system flow rate Type 80/50 17.6 GPM / 4 m...

  • Page 14: Installation Examples

    How the Vitodens 100-W boiler Standard Equipment operates... The Vitodens 100-W gas-fired condensing The Vitodens 100-W boiler uses a premix boiler with Inox-Radial heat exchanger combustion system, which is designed to surfaces, modulating stainless steel MatriX deliver a certain air-gas mixture to the cylinder gas burner burner for complete combustion.
  • Page 15 Installation Examples System Layout 1 Vitodens 100-W, WB1B 10-26, 10-35 with one heating circuit Legend T- - T Air vent PRV Pressure relief valve Vitodens 100-W Room thermostat Heating circuit Heating circuit pump (field supplied) Expansion tank Pressure Activated By-Pass...
  • Page 16 IMPORTANT DHW supply and return piping between boiler DHW connections and the Viessmann DHW tank connections, shall be a minimum of 1” nominal pipe diameter (irrespective of the ¾” DHW connection outlet sizes provided on the boiler and the DHW tank). This ensures that the head of the pump is fully utilized to overcome the resistance of the DHW heat exchanger coil and to provide sufficient water flow to the boiler heat exchanger.
  • Page 17 IMPORTANT HW supply and return piping between boiler DHW connections and the Viessmann DHW tank connections, shall be a minimum of 1” nominal pipe diameter (irrespective of the ¾” DHW connection outlet sizes provided on the boiler and the DHW tank). This ensures that the head of the pump is fully utilized to overcome the resistance of the DHW heat exchanger coil and to provide sufficient water flow to the boiler heat exchanger.

  • Page 18: System Design Considerations

    Please adhere to the specifications given by systems for room air independent operation Vitodens 100-W boilers can be used in any the antifreeze manufacturer. Do not use (sealed combustion) and side wall venting fully pumped hot water heating system.
  • Page 19 Always follow Viessmann venting installation instructions. - Do not common vent Vitodens 100-W with any other appliance. - Layouts on the following pages are for illustrative purposes only. - Do not use Price List for installation purposes. This is not a design tool.
  • Page 20 PPs coaxial vent material must be ULC S-636 certified for Category IV boilers. Do not mix non-ULC S-636 with ULC S-636 venting. Side wall venting installation must include Viessmann Protective Screen! Order 1 Mounting Clip for each straight length of vent pipe installed.
  • Page 21 Do not include first 90° elbow in equivalent vent length calculations (this applies to all vent materials). " A maximum of 5 elbows may be installed in the vent system; do not exceed maximum equivalent vent length. " Always follow Viessmann venting installation instructions 5368 815.
  • Page 22 Do not include first 90° elbow in equivalent vent length calculations (this applies to all vent materials). " A maximum of 5 x 90° elbows may be installed in the air intake and flue outlet combined; do not exceed maximum equivalent vent length. " Always follow Viessmann venting installation instructions 5368 815.
  • Page 23 Do not include first 90° elbow in equivalent vent length calculations (this applies to all vent materials). " A maximum of 5 x 90° elbows may be installed in the air intake and flue outlet combined; do not exceed maximum equivalent vent length. " Always follow Viessmann venting installation instructions 5368 815.
  • Page 24 Do not include first 90° elbow in equivalent vent length calculations (this applies to all vent materials). " A maximum of 5 x 90° elbows may be installed in the air intake and flue outlet combined; do not exceed maximum equivalent vent length. " Always follow Viessmann venting installation instructions 5368 815.
  • Page 25 Do not include first 90° elbow in equivalent vent length calculations (this applies to all vent materials). " A maximum of 5 x 90° elbows may be installed in the air intake and flue outlet combined; do not exceed maximum equivalent vent length. " Always follow Viessmann venting installation instructions 5368 815.
  • Page 26 Do not include first 90° elbow in equivalent vent length calculations (this applies to all vent materials). " A maximum of 5 x 90° elbows may be installed in the air intake and flue outlet combined; do not exceed maximum equivalent vent length. " Always follow Viessmann venting installation instructions 5368 815.
  • Page 27 5369 277 v1.4...
  • Page 28 Viessmann Manufacturing Company (U.S.) Inc. Viessmann Manufacturing Company Inc. 45 Access Road 750 McMurray Road Warwick, Rhode Island 02886 USA Waterloo, Ontario N2V 2G5 Canada 1-800-288-0667 Fax (401) 732-0590 1-800-387-7373 Fax (519) 885-0887 www.viessmann-us.com info@viessmann-us.com www.viessmann.ca info@viessmann.ca...

This manual is also suitable for:

Vitodens wb1b 10-35Vitodens wb1b seriesVitodens wb1b 35Vitodens wb1b 26Vitodens wb1b 10-26