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MAINTENANCE
Disassembling and cleaning the burner
In the event that the device performance shows the need for
cleaning the burner head:
- Remove the two fan connectors and the gas valve connector
- Loosen the three-component joint (4) of the gas line
- Loosen the four retaining screws (5) and remove the burner-
fan-gas valve (6) assembly from the boiler, having care not to
damage the seal (7)
- Remove the combustion head (8) and clean it with the utmost
care using compressed air.
After cleaning, refit all the components proceeding in reverse
order, and fit new seals where necessary.
imPoRtant
IT is compulsory to carry out a sealing test of the gas line, as set
forth in the Standards.
Disassembling and cleaning the exchanger
- Loosen the nuts (9) and remove the inspection doors (10) as
well as their seals (11)
- Use a tube-brush, or any other suitable tool, to clean the
exchanger lines. A tool (metal blade 12) suitable for the
mechanical cleaning of the flue gas lines can be supplied by
Fondital as an optional
- After cleaning, check the condition of the seals (6) and replace
them if necessary.
Disassembling and cleaning the trap and the condensate
collector tank
- Loosen nuts (13) and remove the inspection door (14). Check
and clean the condensate collector tank. After cleaning, refit
the door and check it for tightness. Replace the seal if necessary
- Loosen the ring nuts (15) and (16) and remove the trap, having
care not to let condensate flow out
- Loosen the ring nut (17) and thoroughly clean the trap internal
parts.
15
16
17
13
14
4
5
7
8
6
9
10
11
12