Burner disassembly and cleaning
If appliance performance indicates the need to clean the
burner head, proceed as follows:
- Remove the two connectors of the blower and that of the
gas valve
- Unscrew the three-part fitting (4) of the gas line
- Loosen the four fixing screws (5) and remove the burner-
blower-gas valve assembly (6) from the heat exchanger,
taking care not to damage the seal (7)
- Extract the combustion head (8) and clean with care, using
compressed air.
After cleaning, re-fit all components in reverse order of the
above, inserting new seals where necessary.
IMPORTANT
It is compulsory to test sealing efficiency of the gas line, as
required by current standards.
Exchanger disassembly and cleaning
- Loosen the nuts (9) and remove the inspection panels (10)
and relative seals (11)
- Use a pig brush or similar tool to clean the pipelines of the
exchanger. Bongioanni can provide a tool as an accessory
(metal blade 12) suitable for mechanical cleaning of the flue
lines
- After the cleaning operations, check the condition of the
seals (6) and replace when necessary.
Syphon and condensate collection tank disassembly and cleaning
- Loosen the nuts (13) and remove the inspection panel
(14). Check and clean the condensate collection tank. After
cleaning, re-fit the inspection panel ensuring complete
sealing, replacing the seal when necessary
- Unscrew the ring nuts (15) and (16) and remove the syphon
with care to avoid the spillage of condensate
- Unscrew the ring nut (17) and thoroughly clean all internal
parts of the syphon.
15
16
17
13
14
4
5
7
8
6
9
10
11
12
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MAINTENANCE
