Viessmann B2HA 80 - Closing the External Accessory Connection Box

Vitodens 200-W B2HA 80 to 100, 285 to 352 Installation
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Control Connections
Closing the External Accessory Connection Box
4. Tilt the top of the external accessory connection
box cover forward.
5. Drop down over the locating pins and set the cover
in place.
6. Swing the external accessory connection box up.
7. Push the external accessory connection box in until
the holding screw is in place.