Viessmann B2TF - Page 49

49
F
B
G
4x
D
C
E
A
Fig. 40
1. If necessary, move the programming unit.
2.
Insert the burner and tighten screws
G
diagonally.
Torque: 6.5 Nm
Note
Before installation, check burner gasket for dam-
age.
3.
Attach Venturi extension
F
to fan unit.
4.
Fit gas supply pipe
E
with a new gasket.
Torque: 30 Nm
5. Check the gas connections for leaks.
Danger
Escaping gas leads to a risk of explosion.
Check the fitting for gas tightness.
6. Connect the cables/leads:
■
Fan motor
A
Connect CAN bus fan to adaptor.
■
Ionisation electrode
B
■
Ignition unit
C
■
Earth
D
7. Fit cover panel.
Checking the neutralising system (if installed)
Commissioning, inspection, maintenance
Installing the burner
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