Viessmann B0KA, Инструкция по установке и обслуживанию

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46
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 supply 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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