Checking The Vitotronic 200-H (Accessory) - Viessmann Vitodens 200-W Installation And Service Instructions For Contractors

Wall mounted gas condensing boiler natural gas and lpg version
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Troubleshooting
Repair
(cont.)

Checking the Vitotronic 200-H (accessory)

The Vitotronic 200-H is connected to the control unit
via the LON cable. To test the connection, carry out a
subscriber check at the boiler control unit (see
page 40).
89

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