Viessmann Vitodens 200 Service Instructions Manual page 83
Type wb2a, 8.8 to 20.0 kw wall mounted gas fired condensing boiler natural gas and lpg version
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Also See for Vitodens 200:
- Technical manual (180 pages) ,
- Installation instructions manual (148 pages) ,
- Service manual (132 pages)
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Repairs
(cont.)
Checking the fuse
1. Switch OFF the power.
2. Release the side closures and
pivot the control unit down.
Extension kit for heating circuit with mixer
Checking the rotational direction of the mixer motor
3. Remove cover A.
4. Check fuse F1 (see connection and
wiring diagram).
1. Switch ON/OFF switch A at the
extension kit first OFF and then ON
again. The device will carry out the
following self-test:
Mixer "Close" (150 s)
Pump "ON" (10 s)
Mixer "Open" (10 s)
Mixer "Close" (10 s)
Troubleshooting
83
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