8 Commissioning
8.1
General
The heat pump is commissioned:
When it is used for the first time;
After a prolonged shut-down;
After any event that may require complete reinstallation.
Commissioning of the heat pump allows the user to review the various set
tings and checks to be made to start up the heat pump in complete safety.
8.2
Checklist before commissioning
8.2.1
Checking the heating circuit
1. Check the volume of the expansion vessel(s) is sufficient for the vol
ume of water in the heating installation.
2. Check that the heating circuit contains adequate water. If necessary,
top up with more water.
3. Check that the water connections are properly sealed.
4. Check that the heating circuit has been correctly purged.
5. Check that the filters are not clogged. Clean them if necessary.
6. Check that the valves and thermostatic radiator valves are open.
7. Check that all settings and safety devices are working correctly.
8.2.2
Checking the electrical connections
1. Check the mains electricity connection to the outdoor unit.
2. Check the mains electricity connection to the indoor module.
3. Indoor module with hydraulic back-up: check the connection be
tween the indoor module and the boiler.
4. Indoor module with electrical back-up: check the connection of the
electrical back-up.
5. Check the connection of the communication cable between the in
door module and the outdoor unit.
6. Check the conformity of the circuit breaker used for the indoor unit,
outdoor unit and the back-ups.
7. Check the positioning and connection of the sensors.
8. Check the connection of the circulating pump(s).
9. Check for the presence of the recommended circuit breaker (curve
C).
10. Tighten the terminal blocks.
11. Check the separation of the power and low voltage cables.
12. Check the connection of the underfloor heating thermostat (if used).
8.2.3
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 by filling.
4. Ensure that the evacuation time and the outside temperature have
been checking during evacuation.
8.3
Commissioning procedure
Caution
Initial commissioning must be performed by a qualified professio
nal.
1. Refit all the panels, fascias and covers on the indoor module and
outdoor unit.
8 Commissioning
7685645 - v04 - 07032018
AWHP-2 iMPI
65
