8 Maintenance
8.1
General instructions
Caution
The appliance must be installed and maintained by a certified
professional 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.
Important
When the appliance is powered off, the fan continues to run for
approximately one minute, due to inertia.
Maintenance operations are important for the following reasons:
To guarantee optimum performance
To extend the life span 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 starting any cleaning, disconnect the mains power supply
plug or power off the appliance.
8.2
Standard inspection and maintenance operations
8.2.1
Refrigerant circuit
No maintenance is required on the refrigerant circuit in the thermodynamic
water heater.
8.2.2
Check the hydraulic circuit
1. Check the tightness of the hydraulic connections.
8.2.3
Aeraulics
Cleaning the evaporator
Danger
Risk of injury on the sharp-edged fins.
Caution
Do not distort or damage the fins.
1. Clean the evaporator at regular intervals using a soft-haired brush.
2. If the fins are bent, straighten them carefully using an adapted comb.
8 Maintenance
58
TWH 200 EV
EN-7602142 - v11 - 24042019
