Viessmann B2HF - Installing the burner

58
E
C
D
F
4x
B
A
Fig. 45
1. If necessary, move the programming unit.
2.
Insert the burner. Tighten screws
F
diagonally.
Torque: 6.5 Nm
3.
Fit gas supply pipe
E
with a new gasket.
Torque: 30 Nm
4. Check the gas connections for leaks.
Danger
Escaping gas leads to a risk of explosion.
Check all fittings for gas tightness. In the
case of wall mounted appliances, also check
the gas shut-off valve fitting on the under-
side.
5. Connect the cables/leads:
■
Fan motor
A
(2 plugs)
■
Ionisation electrode
B
■
Ignition unit
C
■
Earth
D
Checking the neutralising system (if installed)
Commissioning, inspection, maintenance
Installing the burner
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