Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation
5685 827 - 14
22
Boiler Connections
Connections (continued)
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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