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29 / EN
VIII.- MAINTENANCE AND SERVICE
IMPORTANT
All maintenance operations and interventions must be carried out by specialized staff.
Before requesting the intervention of the Calorex Service because of a possible
malfunction, make sure the heater's malfunction does not depend on other causes,
such as a temporary lack of water or electrical power.
Before cleaning the appliance, make sure you have turned the product of and
disconnected it from the electric power.
Do not use insecticides, solvents or aggressive detergents that could damage the
painted parts or plastic materials.
To ensure the efficiency and long life of your water heater, we recommend to keep
your appliance in perfect state, clean the resistance every two years approx. If the
appliance uses water that is characterized with high hardness, clean them more
frequently (1/year), or we recommend the use of a water softener.
The use of decalcifying liquid is recommended, but if not used, the resistance can be cleaned
by removing the crusted lime, taking special care not to damage the resistance shell.
The magnesium anodes (Fig.1) must be replaced every two years, if not, the warranty
is invalid. With aggressive water, or water high in chlorides, checking the state of the
anode is recommended once a year. To replace it, the resistance must be removed and
unscrewed from the securing clamp.
IMPORTANT
The magnesium anode is a consumable element, not replaceable through warranty.
Emptying the Appliance
-
Empty the appliance as indicated here:
1.
Close the cold-water inlet valve.
2.
Open the hot water tap (sink or shower).
3.
Drain the heater by raising the relief valve lever (closed system), or if a drain valve is
installed (open system), open it, until all the water comes out of the heater (See Fig 8).
FIG. 8
OPEN SYSTEM
Drain valve
(Not included)
To the open drain
Never connect this outlet
to your plumbing system
Water supply valve
(Not included)
CLOSED SYSTEM
Relief Valve
(included)
To the open drain
Never connect this
outlet to your plumbing system
Water supply valve
(Not included)
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