7 Commissioning
7.1
General
The heat pump is commissioned:
When it is used for the first time;
after a prolonged shutdown.
Commissioning of the heat pump allows the user to review the various
settings and checks to be made to start up the heat pump in complete
safety.
7.2
Checklist before commissioning
7.2.1
Checking the heating circuit
1. Check the volume of the expansion vessel(s) is sufficient for the
volume of water in the heating installation.
2. Check the inflation pressure of the expansion vessel(s).
3. Check that the heating circuit contains adequate water. If necessary,
top up with more water.
4. Check that the water connections are properly sealed.
5. Check that the heating circuit has been correctly purged.
6. Check that the filters are not clogged. Clean them if necessary.
7. Check that the valves and thermostatic radiator valves are open.
8. Check that all settings and safety devices are working correctly.
7.2.2
Checking the electrical connections
1. Check the mains electricity connection to the following components:
Outdoor unit
Indoor unit
Electrical back-up
2. Check that the BUS cable is correctly positioned between the indoor
unit and the outdoor unit, and that it is separate from the power supply
cables.
3. Check the conformity of the circuit breakers used:
Outdoor unit circuit breaker
Indoor unit circuit breaker
Electrical back-up circuit breaker
4. Check the positioning and connection of the sensors:
Room temperature sensor (if present)
Outdoor temperature sensor
Flow sensor for the second circuit (if present)
5. Check the connection of the circulating pump(s).
6. Check that the wires and terminals are properly tightened or
connected to the terminal blocks.
7. Check the separation of the power and safety extra-low voltage
cables.
8. Check the connection of the underfloor heating safety thermostat (if
used).
9. Check that traction arrester devices are used for all cables exiting the
appliance.
7.2.3
Checking the refrigeration circuit
1. Check the position of the outdoor unit, distance from the wall.
2. Check the tightness of the refrigerant connections.
3. Ensure that the evacuation pressure has been checked before filling.
4. Ensure that the evacuation time and the outdoor temperature have
been checked during evacuation.
7 Commissioning
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