Viessmann B2TF - Page 44

44
A
B
G
4x
D
C
E
F
Fig. 33
1. Turn off the ON/OFF switch.
2. Close the gas shut-off valve and safeguard against
reopening.
3. Release the clips and remove the cover panel.
4. Disconnect cables and leads from:
■
Fan motor
A
Adaptor, CAN bus fan
■
Ionisation electrode
B
■
Ignition unit
C
■
Earth
D
5.
Undo gas supply pipe fitting
E
.
6.
Detach Venturi extension
F
from fan unit.
7.
Undo 4 screws
G
and remove the burner.
Note
Cover gas connection
E
so that no small parts
can fall into it.
Commissioning, inspection, maintenance
Removing the burner
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