Overview Of Electrical Components - Viessmann BW 35 .AHT PW Series Installation And Service Instructions Manual

Removing the front panel and top panel
Fig. 37
1. Set the ON/OFF switch to OFF or 0.
2. Undo both screws on the underside of the front
panel.
!
3. Please note
The cables between the programming unit
and the wiring chamber can sustain dam-
age.
Take care when removing the front panel
and observe the length of the cable (approx.
60 cm tolerance).
Put the front panel to one side and ensure it cannot
fall over.

Overview of electrical components

See page 34 onwards.
4. Carefully remove the top panel.
Repairs
53