7
x
Heat cell with gas burner
7.4 Dismantling the burner
The burner works, as a rule, almost without any wear and
residue. It may be necessary to dismantle the burner for some
cleaning and servicing jobs or if there is damage in the com-
bustion chamber area.
Removing the burner
●
Block gas supply.
●
Disconnect the ROTEX GCU compact from the power supply
(fuse, main switch switched off) and secure against uninten-
tional restart.
●
Remove the protective cover (see chap. 4.4.3).
●
Remove the cover and front panelling of the heat cell (see
chap. 4.8.3).
●
Pull off the securing stirrup (fig. 7-6, item 1) for the Venturi
nozzle.
●
Disconnect the mains plug for the blower and the connector
for the blower controller (fig. 7-6, item 4+5).
●
Unscrew the fixing screws on the burner flange (fig. 7-6,
item 6).
●
Remove the burner blower with burner flange from the boiler
body.
●
Unscrew the burner surface from the burner flange. When
lifting off the burner surface, pay special attention that it is not
damaged through contact with the electrodes. (fig. 7-7)
Fig. 7-5
Adjustment of the ignition and ionisation electrodes
WARNING!
Touching live parts can result in an electric shock and lead to
potentially fatal injuries and burns.
●
Before removal of the burner, shut off the main switch for the
heater and secure against unintentional restart.
DANGER OF EXPLOSION!
Incorrect assembly and dismantling of the burner can cause the
gas to escape.
●
Replace seals as a rule.
●
Observe the fitting positions.
WARNING!
Danger of burning on hot surfaces.
●
Let the burner cool down sufficiently before dismantling.
●
Wear protective gloves.
Summary of Contents for GCU compact 315
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Page 82: ...13 x Notes...
