Viessmann B2TF Installation And Service Instructions Manual page 49

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