Viessmann CT3U, Инструкция по эксплуатации

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19
A
B
Fig. 15
1. Check the wire mesh and cover of burner gauze
assembly
A
for damage. Slight wavy deforma-
tions in burner gauze assembly
A
are not prob-
lematic.
2. Replace burner gauze assembly
A
if required.
3.
Check seal B between the burner gauze assem-
bly and thermal insulation. If required, replace seal
B .
Checking the ignition and ionisation electrodes
Ignition electrodes
8.5
1±
Fig. 16
7
1.5+
6
1 ±
Fig. 17
Ionisation electrode
15.5
1±
Fig. 18
Check the ignition electrodes and ionisation electrode
for the correct gap to the burner gauze assembly and
for possible damage. Replace the electrodes if
required.
Cleaning the burner
B
C
E
D
A
F
Fig. 19
1. Undo fitting
C
on gas supply pipe
B
.
2.
Undo Venturi mixing pipe D from fan E .
3. Remove Venturi mixing pipe D with gas train A
and gas supply pipe
B
. Disconnect the connecting
cables.
Commissioning, inspection, maintenance
Checking the burner gauze assembly
(cont.)
5783 337 GB