Viessmann CM2B, Инструкции по обслуживанию для подрядчиков

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23
C B
A
Fig. 16
1. Danger
Escaping gas leads to a risk of explosion.
Close the gas shut-off valve.
Undo fitting
A
on the gas supply pipe.
2. Undo the screws on the boiler door and open the
door.
3. Check the wire mesh of burner gauze assembly
B
and thermal protection ring
C
for damage. Slight
wavy deformations of burner gauze assembly B
are OK.
4. If required, replace burner gauze assembly B
together with thermal protection ring
C
.
Installation instructions
Replacing burner components
Checking the ignition electrodes and ionisation electrode
Ignition electrodes
7
0.5
+ -
3.5
0.5
+
-
5
1
+ -
Fig. 17
Ionisation electrode
12
2
±
Fig. 18
Check ignition electrodes and ionisation electrode for
correct gap to the burner gauze assembly and for pos-
sible damage. Replace electrodes if required.
Installation instructions
Replacing burner components
Commissioning, inspection, maintenance
Checking the burner gauze assembly
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