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MAINTENANCE
Instructions for opening the casing and performing
an internal inspection
Beforeperforminganyworkontheappliance,removethe
batteriesandclosethegasvalve.
Toaccesstheinsideoftheappliance,youneedto:
-Removetheknobs
-Removethethreescrews
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.
Maintenanceisanessentialpartofthesafeandefcient
operation of the appliance and ensures its durability.It
shouldbeperformedaccordingtotheinstructionsgiven
incurrentlegislation.
Beforebeginningmaintenancework:
- Removethebatteries
- Close the gas valve and the domestic hot water
systemvalve.
Aftertheworkhasbeencompletedtheinitialsettingswill
berestored.
General comments
IT IS RECOMMENDED THAT THE FOLLOWING
INSPECTIONS BE CARRIED OUT ON THE APPLIANCE
AT LEAST ONCE A YEAR:
1. Visuallychecktheoverallconditionoftheappliance.
2. Checkthesealsinthewaterpartand,ifnecessary,
replacethegasketsandrestorethesealtoperfect
workingorder.
3. Check the seals in the gas part and, if necessary,
replacethegasketsandrestorethesealtoperfect
workingorder.
4. Visually check the combustion and, if necessary,
disassembleandcleantheburner.
5. Following the inspection detailed in point “3”,
disassembleandcleanthecombustion 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
electrodeusinganemerycloth.
7. Cleaningtheprimaryheatexchanger
8. Makesurethefollowingsafetydevicesareoperating
correctly:
-temperaturelimitsafetydevice.
-uegassafety
9. Makesurethatthefollowinggaspartsafetydevices
areoperatingcorrectly:
-absenceofgasoramesafetydevice(ionisation).
10. Check the efciency of the domestic hot water
production process (test the ow rate and
temperature).
11. Cleaningthelterincoldwaterinlet.
WARNING! THE APPLIANCE MUST NOT
BE PUT IN FUNCTION WITHOUT FILTER.
12. Perform a general inspection of the aplliance
operation.