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Viessmann Vitocontrol-S, WB2 Installation, Start-Up And Service Instructions Manual

For use with up to four vitodens 200, wb2-44 or wb2-60 wall-mounted condensing boilers.
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Installation, Start-up and
Service Instructions
for use by heating contractor
Vitocontrol-S, WB2
Master control for
up to four gas-fired wall-mounted boilers
Vitodens 200, WB2-44 or -60
VITOCONTROL-S, WB2
IMPORTANT
Read and save these instructions
for future reference.
5285 781 v1.5 11/2007
Certified as a component part
of Viessmann boilers only

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Summary of Contents for Viessmann Vitocontrol-S, WB2

  • Page 1 Vitocontrol-S, WB2 Master control for up to four gas-fired wall-mounted boilers Vitodens 200, WB2-44 or -60 VITOCONTROL-S, WB2 IMPORTANT Read and save these instructions Certified as a component part for future reference. of Viessmann boilers only 5285 781 v1.5 11/2007...
  • Page 2 Safety, installation and warranty requirements Please ensure that this manual is read and understood before commencing installation. Failure to comply with the issues listed be- low and details printed in this manual can cause product/property damage, severe personal injury, and/or loss of life. Ensure all requirements below are understood and fulfilled (including detailed information found in manual subsections).

  • Page 3: Table Of Contents

    General Information Index Content Page General Information ....................................... . . Terminology .

  • Page 4: Safety

    Safety Important regulatory and installation requirements Power supply External “potential-free” contacts to Working with an open control Install power supply in accordance with the Cascade Control No static discharge to the internal com- the regulations of the authorities hav- Ensure that all contacts have sufficient ponentry must ever occur when work- ing jurisdiction or, in the absence of insulation clearance to live parts and...

  • Page 5: Installation

    Installation Control panel connections The Vitocontrol-S, WB2 control panel houses a Viessmann Cascade Control for use with up to four Vitodens 200, WB2-44 or WB2-60 wall-mounted condensing boilers. Power supply The panel is powered by 120 VAC, 60 Hz from the wall receptacle.

  • Page 6: Outdoor Temperature Sensor

    Control panel connections (continued) The remaining sensor and communication connections are completed on the Cascade Control as follows Outdoor temperature sensor The outdoor temperature sensor is connected to terminals 1 and 2. See page 7 for installation details. Common supply temperature sensor The common supply temperature sensor is connected to terminals 3 and 4.
  • Page 7 Outdoor temperature sensor Mount outdoor temperature sensor 1.Slide protective cover from sen- on the north or northwest outside sor body. wall of the building. If the boiler is intended to supply heat to the 2.Loosen the two slot-head screws south side of the building only (split from main body and remove sen- piping system), mount the sensor sor cover.

  • Page 8: Common Supply Temperature Sensor (Strap-On Sensor)

    Common supply temperature sensor (strap-on sensor) 1.Place sensor as shown. Install on low-loss header system supply pipe (before flange) as close to low-loss header as possible. 2.Hook tension spring to one side of the sensor tab. 3.While holding sensor on pipe, bring tension spring around pipe and hook spring to second sen- sor tab.

  • Page 9: Installation Example

    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 the original manufacturer of the tank.

  • Page 10: Plug-In Connections

    A Vitodens 200 plug-in G Main disconnect switch connections H DHW sensor (one boiler only) Vitodens 200 pump junction I Vitocontrol-S, WB2 J Power supply, 120 VAC, 7 A B Power/Pump module K System pump C Boiler pump L Output: alarm, dry contact...

  • Page 11: Troubleshooting

    Troubleshooting General faults Connected system components are not correctly controlled or not controlled at all H Check connections and cables (see section entitled “Control panel connections” on page 5). H Check the voltage at the terminals. H Scan operating states in the ”Operating data” menu. Operating Instructions and User’s Information Manual Cascade Control.

  • Page 12: Faults Displayed In The "Faults" Menu

    Faults on the display All LED displays are off, no text in the display Check power supply and fuse (underneath large cover). LED ”9” illuminates, no text in the display and/or keys do not function Switch on power supply again and then check control unit settings. Keys do not function or not always Check location and seating of large cover.

  • Page 13: Technical Specifications

    Technical Specifications Sensor resistance chart Temp- Resis- Temp- Resis- Temp- Resis- Temp- Resis- erature tance erature tance erature tance erature tance [ºF / ºC] [Ω] [ºF / ºC] [Ω] [ºF / ºC] [Ω] [ºF / ºC] [Ω] 5 / –15 36475 59 / 15 7885...

  • Page 14: Outdoor Temperature

    7 A, 1 PH sensor delay Supply pump, 120 VAC, Party switch (dry contact) F2 Fuse 6.3 A/250 V, time delay 6.3 FLA External heat demand Dry contact, 120/24 V, 5 A (dry contact) compiled failure alarm KM-BUS Outdoor temperature sensor Viessmann-BUS...
  • Page 16 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 Tel. (401) 732-0667 • Fax (401) 732-0590 Tel. (519) 885-6300 • Fax (519) 885-0887 www.viessmann-us.com •...

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