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10 Maintenance
Fig.133
Fig.134
Anode check
Ø > 15 mm =
Ø < 15 mm =
218
ETWH
Clean the evaporator at regular intervals using a soft-haired brush.
Carefully realign the fins using a suitable comb if they are bent.
Cleaning the fan:
Check the cleanliness of the fan once a year.
Clogging by dust and other particles impairs the performance of the
thermodynamic unit.
Check the cleanliness of the condensates discharge pipe. A dust
obstruction may cause poor condensates flow or even a risk of
excessive accumulation of water.
10.2.4
The magnesium anode must be checked every year.
After the first check and in light of the degree of wear of the anode, it is
necessary to determine the frequency of future checks.
1. Shut off the domestic cold water inlet.
2. Drain the hot water tank:
2.1. Open the hot water tap.
2.2. Open the drain opening if the valve is connected; otherwise,
3. Unscrew the magnesium anode.
1
4. Measure the diameter of the anode.
5. Remount the magnesium anode.
10.2.5
Operate the safety valve or safety unit at least once a month to check that
it is running correctly. This check helps to protect against any pressure
surges that may damage the water heater.
Caution
Risk of injury on the sharp-edged fins.
Caution
Do not distort or damage the fins.
Caution
Risk of malfunction in the thermodynamic unit.
Magnesium anode
open the safety unit tap.
Caution
Replace the anode if its diameter is less than 15 mm.
Checking the safety valve or safety unit
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