Operating instructions
Manuals
Brands
Viessmann Manuals
Heating System
WB1B Series
31
32
33
34
35
36
37
38
39
40
37
Removing front panel
2.
1.
2x
1.
Release screws at the bottom of the
boiler; do not remove completely.
2.
Remove front panel.
Outside temperature sensor
1.
Open the control unit casing. See
page 13.
Troubleshooting
Repairs
5366 836 GB
Service
1
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35
36
37
38
39
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68