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Before carrying out any cleaning or part replacement operations, ALWAYS turn off the ELEC-
TRICITY, WATER and GAS supplies to the boiler.
ALARKO CARR
İ
ER will not be held responsible for damage to any of the boiler’s components
caused by non-compliance with this instruction.
For all maintenance operations requiring removal of the boiler casing, refer to the procedures described in
paragraph 7.3 “Accessing the boiler”.
7.6 Maintenance Operations
ignition electrode
ignition transformer
primary heat exchanger
gas valve
3 way diverter valve
safety thermostat
burner unit
electric fan
heating sensor
circulating pump
d.h.w sensor
D.H.W heat exchanger
condensate drain trap
Fig. 1
ionisation electrode
expansion vessel
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