Installing The Burner; Checking The Neutralising System (If Installed); Checking The Anode Connection And Anode Earth Current With An Anode Tester - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Installing the burner

4x
G
C
E
D
B
Fig. 34
1. Insert the burner and tighten screws
Torque: 8.5 Nm
2. Fit gas supply pipe
F
Torque: 30 Nm
3. Check gas connections for tightness.
Danger
Escaping gas leads to a risk of explosion.
Check the fitting for gas tightness.

Checking the neutralising system (if installed)

Checking the anode connection and anode earth current with an anode
tester
Check that the earth cable is connected to the magne-
sium anode.
Note
We recommend checking the magnesium anode func-
tion annually. This function test can be carried out with-
out interrupting operation, by measuring the earth cur-
rent with an anode tester.
F
A
crosswise.
G
with a new gasket.
Commissioning, inspection, maintenance
4. Connect the electrical cables/leads:
■ Fan motor
A
■ Ionisation electrode
Gas train
■ B
■ Ignition unit
D
■ Earth
E
C
45