
SWITCHING THE BOILER OFF
-
Turn main switch OFF.
-
Turn OFF gas supply.
3.2
WARNING
Servicing must be carried out by a Qualified Gas Service Engineer on a regular basis with
periods not exceeding 12 months, for ensuring boiler efficiency and accurate cleaning of the
appliance.
3.3
CLEANING THE BOILER
Cleaning must only be carried out by a Qualified Gas Service Engineer.
The operations to be carried out are the following:
-
disconnect and remove the burners and clean them thoroughly using a vacuum cleaner
and dusting brush
-
dismantle the flue hood for cleaning
-
clean the fins/flue passes of the heat exchanger using flue brush
-
clean the chimney/check for obstruction.
To clean the boiler outer case use a damp dusting cloth only.
Warning: always turn off the electrical supply before proceeding
Do not use detergents or solvents. To remove particularly resistant stains, use alcohol.
Re-check the position of thermostats and reconnect the boiler to electrical supply.
3.4
25
TO RESET THE BOILER
If high limit safety thermostat operates then the corresponding lamp on the control panel
illuminates.
WARNING: the boiler reset should be carried out by a Qualified Service Engineer,
who will check the thermostat efficiency.
To reset the boiler proceed as follows:
-
turn off electrical supply
-
open the boiler door
-
unscrew the plastic cap of limit thermostat on control panel
-
push the red button
-
refit the plastic cap and close the boiler door
-
turn on electrical supply.
3.5
HIGH LIMIT SAFETY THERMOSTAT
ED.12/99