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An annual maintenance inspection must be carried
out.
The main items to be checked are as follows:
1) Check that the combustion gas circuit, the fan
and the burner are clean and that the ignition
electrodes, ionization probes and seals are in
good condition.
The burner can be cleaned using a household
vacuum cleaner, placing the suction tube first on
the air inlet, then on the gas inlet (with the burner
dismantled).
The heat exchanger can be cleaned by spraying
water at it, with the burner dismantled (the water
drains away via the condensate drainage siphon
trap).
2) Combustion gas checking CO
2
, CO. (see table
§ 3 - VI - MAINTENANCE).
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VOLJKWO\SUHVVXUL]HG
'RQRWSLHUFHWKHFLUFXLWZLWKRXW
VXEVHTXHQWO\ VHDOLQJ RII WKH KROH
PDGH
3) Check the flame monitor by disconnecting the
ionization probe (safety shut-off after two at-
tempts at ignition).
4) Check that the regulation is operating correctly.
5) Inspect the condensate drainage siphon trap.
)LJ
≈
20
!
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