Maintenance And Cleaning - ACV LCA HP 2000 mh Technical Manual

18.

MAINTENANCE AND CLEANING

SWITCH OFF THE ELECTRICAL SUPPLY BEFORE ANY WORK ON THE APPLIANCE
The frequency of interventions depends on the quality of the water stored and
the output. However, it is recommended to check the condition of the heating
elements and the inside of the tank twice a year. These water heaters have an
enamelled internal coating.
magnesium anodes accessible from the front. Check the anodes three months after
filling.
These anodes will wear according to the quality and consumption of water and
its temperature. The anodes must be checked regularly and replaced when their
diameter is below 10 mm.
The internal corrosion protection warranty shall only apply if the anodes have been
checked and changed at the appropriate times.
Nevertheless, for soft water and for regions where the water is very aggressive
or acidic, it is essential to have the water neutralised with an appropriate treatment.
Failure to observe this rule will invalidate the warranty (see Water Quality chapter).
 Check the correct operation of the safety valve (or safety unit) by manoeuvring
Monthly operation
the lever that lifts the heating reset flap valve, to check that the water is
expanding normally.
appliance.
Carry out shunts via the quick drain valve to eliminate any sludge stagnating at the
bottom of the tank.
Half-yearly operation
 Dismantle the heating elements (resistances and sheath) and clean them carefully
of any deposit.

Descaling
In regions where the water is rich in calcium, it is recommended to frequently

check the inside of the tank and remove the scale with a water jet.

If the tank is too scaled, carry out chemical descaling.
As this operation is tricky, you are strongly advised to use a specialised company.
Before reassembling each element comprising a seal, change the seals.
EN
This protection is completed with two or three
A slight drip may manifest during operation of the
Important note:
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Document ref.: 428016 03