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MAINTENANCE
Instructions for opening the casing and performing
an internal inspection
Before performing any work on the appliance, remove the
batteries and close the gas valve.
To access the inside of the appliance, you need to:
- Remove the knobs
- Remove the three screws
WARNING!!
NEVER TAMPER WITH OR DECOMMISSION THE
FLUE GAS SENSOR. THIS COULD AFFECT THE
PROPER OPERATION OF THE APPLIANCE.
POOR DRAUGHT CONDITIONS COULD
CAUSE EXHAUST GAS BACKFLOW INTO THE
INSTALLATION ROOM.
HAZARD OF CARBON MONOXIDE
INTOXICATION.
Maintenance is an essential part of the safe and efficient
operation of the appliance and ensures its durability. It
should be performed according to the instructions given
in current legislation.
Before beginning maintenance work:
- Remove the batteries
- Close the gas valve and the domestic hot water
system valve.
After the work has been completed the initial settings will
be restored.
General comments
IT IS RECOMMENDED THAT THE FOLLOWING
INSPECTIONS BE CARRIED OUT ON THE APPLIANCE
AT LEAST ONCE A YEAR:
1. Visually check the overall condition of the appliance.
2. Check the seals in the water part and, if necessary,
replace the gaskets and restore the seal to perfect
working order.
3. Check the seals in the gas part and, if necessary,
replace the gaskets and restore the seal to perfect
working order.
4. Visually check the combustion and, if necessary,
disassemble and clean the burner.
5. Following the inspection detailed in point “3”,
disassemble and clean the combustion chamber, if
necessary.
6. Following the inspection detailed in point “4”,
disassemble and clean the burner and injector,
if necessary. Remove oxide from the detection
electrode using an emery cloth.
7. Cleaning the primary heat exchanger
8. Make sure the following safety devices are operating
correctly:
- temperature limit safety device.
- flue gas safety
9. Make sure that the following gas part safety devices
are operating correctly:
- absence of gas or flame safety device (ionisation).
10. Check the efficiency of the domestic hot water
production process (test the flow rate and
temperature).
11. Cleaning the filter in cold water inlet.
WARNING! THE APPLIANCE MUST NOT
BE PUT IN FUNCTION WITHOUT FILTER.
12. Perform a general inspection of the aplliance
operation.