Viessmann B0KA - Checking the Neutralising System (if Installed); Installing the Burner

45
E
A
B
C
D
F
4x
Fig. 35
1.
Insert the burner. Tighten screws
F
diagonally.
Tighten screws as tightly as necessary and ensure
that the components are undamaged and are func-
tioning correctly throughout service life.
Observe torque settings if a torque wrench is avail-
able.
Torque: 6.5 Nm
2.
Fit gas connection pipe
E
with a new gasket.
Tighten screws as tightly as necessary and ensure
that the components are undamaged and are func-
tioning correctly throughout service life.
Observe torque settings if a torque wrench is avail-
able.
Check for gas tightness to BSI 6891.
Torque: 30 Nm
3. 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.
4. 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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