Ariston FAST R X ONM 14

22 /
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efcient
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.
-uegassafety
9. Makesurethatthefollowinggaspartsafetydevices
areoperatingcorrectly:
-absenceofgasoramesafetydevice(ionisation).
10. Check the efciency of the domestic hot water
production process (test the ow rate and
temperature).
11. Cleaningthelterincoldwaterinlet.
WARNING! THE APPLIANCE MUST NOT
BE PUT IN FUNCTION WITHOUT FILTER.
12. Perform a general inspection of the aplliance
operation.