10 Maintenance; General; Standard Inspection And Maintenance Operations; Refrigerant Circuit - De Dietrich KALIKO Essentiel ETWH180E Installations- Und Wartungsanleitung

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10 Maintenance

10 Maintenance
10.1

General

OFF
MW-4000184-1
10.2

Standard inspection and maintenance operations

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Caution
The appliance must be installed and maintained by a certified pro­
fessional in accordance with prevailing statutory texts and codes
of practice.
Caution
Before working on the appliance, ensure that it is switched off and
safe.
Caution
Check the discharge from the compressor capacitor.
Caution
Before working on the refrigeration circuit, switch off the appliance
and wait a few minutes. Certain items of equipment such as the
compressor and the pipes can reach temperatures in excess of
100 °C and high pressures, which may cause serious injuries.
Note
When the appliance is switched off, the fan continues to run by in­
ertia for approximately one minute.
Maintenance operations are important for the following reasons:
To guarantee optimum performance;
To extend the life of the equipment;
To provide an installation which offers the customer optimum comfort
over time.
Caution
The control components must never come into contact with water.
Before cleaning, cut the power to the appliance.
Caution
If it becomes necessary to disconnect the refrigerant connections,
be sure to recover the refrigerant fluid.
10.2.1

Refrigerant circuit

Note
No maintenance is required on the refrigerant circuit in the ther­
modynamic water heater.
Check the tightness of the connections using a leak detector.
Check the performance of the heat pump: check on temperatures.
10.2.2

Hydraulic circuit

Check the tightness of the water connections.
10.2.3

Aeraulics

Annual cleaning of the air filter
A vacuum clean or clean water can be used to clean the air filter.
If there is too much dust on the air filter, use a soft brush and a neutral
detergent to clean it and leave it to dry thoroughly.
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