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12 Maintenance
11.8
Starting and stopping the heat pump
11.8.1
Starting the heat pump
11.8.2
Shutting down the heat pump
12 Maintenance
12.1
General
70
1. Switch on the outdoor unit, the indoor unit and the backup (immersion
heater or backup boiler depending on the model) simultaneously.
Important
The outdoor unit is powered via its circuit breaker.
The indoor unit is powered via the circuit breaker and the
ON/OFF button.
The immersion heater is powered via its circuit breaker.
The backup boiler must be powered on according to its user
guide.
The heat pump will begin an automatic vent cycle (which lasts
approx. three minutes), run each time the power is switched on. If
there is a problem, an error message is displayed on the home
screen.
2. If an error message is displayed on the home screen, contact the
installer.
3. Check the hydraulic pressure in the installation indicated on the user
interface.
Important
Recommended hydraulic pressure between 1.5 and 2.0 bar.
The heat pump must be shut down in certain situations, for example
during any intervention on the equipment. In other situations, such as an
extended absence period, we recommend that the Holiday operating
mode is used in order to benefit from the heat pump anti-blocking function
and to protect the installation from frost.
To shut down the heat pump:
1. Switch off the indoor unit by pressing the on/off switch.
2. Cut the power to the indoor unit, outdoor unit and backup circuit
breakers.
An annual inspection with a leak-tightness check of the heating installation
in accordance with prevailing standards is obligatory.
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 user optimum comfort over
time
7856310 - v02 - 21122023
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