Maintenance; Casing; Combustion Chamber; Burner - Saunier Duval Semia Condens F24 E Instructions For Use Installation And Servicing

14 Maintenance

Warning!
• Before performing the maintenance on
the appliance, read carefully the "Safety
instructions" chapter.
14.1

Casing

1. Unscrew the screws [1] and slide back
the catches [2] to release the front cas-
ing [3];
2. Push the front casing [3] upwards and
remove it;
3. Unscrew the two screws [4] and pull
down the control panel [5];
3
6
4
5
14.2

Combustion chamber

- Unscrew and remove 6 screws securing
sealed chamber cover to the boiler. Pull
cover forward and off boiler.
14.3
-
-
Note: The washer between main burner and
-
1
2
-
6
-
Note: DO NOT use a wire or sharp instru-
14.4
-
-
-
-
39

Burner

Undo main gas supply nut from burn-
er.
Pull main burner forward, pull off the
ignition and fl ame sense leads from
the electrodes and remove burner from
boiler.
main burner gas supply must be kept for
use on reassembly.
Remove ignition and fl ame sense elec-
trodes from burner.
Unscrew and remove four injector bar
retaining screws and separate injector
bar from burner.
Examine and clean injectors as neces-
sary.
ment on the holes.

Heat exchanger

Locate the heat exchanger inside the
sealed chamber.
Gain acces to heat exchanger by remov-
ing fan and fl ue hood.
Examine heat exchanger for any block-
ages or build up of deposits.
Clean heat exchanger with soft brush
or vacuum cleaner.