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VIII.- MAINTENANCE AND SERVICE
IMPORTANT:
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 o 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 e ciency 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 (see 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:
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
After maintenance, fill the heater completely and empty it completely, to eliminate residual
impurities.
all maintenance operations and interventions must be carried out by specialized sta .
the magnesium anode is a consumable element, not replaceable through warranty.
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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