Inspection and service
27
Condens 5000W – 6720813952 (2019/02)
Release the 4 snap fasteners of the burner cover.
The snap fasteners are under tension.
Fig. 54 Opening the snap fasteners
Remove the gas-air unit together with the burner cover.
Fig. 55 Remove the gas-air unit together with the burner cover.
11.3 To clean the burner
Remove the burner gasket and replace if necessary.
Fig. 56 Removing the burner gasket
Take off the burner.
Fig. 57 Removing the burner
Check the burner and gas distributor plate for soiling and cracking.
Clean the burner with compressed air or a soft brush if necessary.
11.4 Cleaning the heat exchanger
NOTICE:
Damage to wall mounted gas condensing boiler.
The heat exchanger has been coated. This coating must not be
damaged.
Steel brushes, abrasives or similar must therefore not be used when
cleaning the various components.
Cover the ignition device.
Clean the heat exchanger.
Rinse the heat exchanger with water if necessary.
In the case of extreme contamination, clean the heat exchanger with
TAB2.
Fig. 58 Cleaning the heat exchanger
11.5 Checking the ignition system
NOTICE:
Damage to the hot surface igniter.
The glow ignitor unit is made of breakable material.
Handle with care.
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