How to service the heat pump,
continued
Procedure, check
of functions
Do as follows to check the heat pump functions:
Step
Action
1
Check that the HP and LP pressure gauges show the expected or the
previously noted pressure.
Some deviation is to be expected because of different temperatures inside
the unit or change to summer/winter operation or defrosting mode
2
Check that there is perceptible cooling over the evaporator and heating over
the condenser
3
Check that the compressors are hand-warm at the top during operation and
that the electrical heating element (pull-out) at the bottom of the compressor
is constantly warm
27
029884 •
Ver
s
ion
1
.1 •
20.0
4
.200
7
