Accessing The Control Unit Connections - Viessmann Vitodens 200-W B2HA 80 Installation Instructions Manual
Wall-mounted, gas-fired condensing boiler
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Also See for Vitodens 200-W B2HA 80:
- Installation instructions manual (60 pages) ,
- Service instructions manual (100 pages)
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Boiler Connections
Connections
(continued)
22
Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation
Accessing the control unit connections
1. Remove both screws from the external accessory
connection box front plate and set aside.
2. Loosen both retaining screws as shown (do not
remove).
3. Pull the external accessory connection box forward
until the retaining screws are clear of the guides.
4. Swing the external accessory connection box down.
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