Fig. 30: Remove protective caps
3.
Before connecting the refrigerant pipes,
ensure that the quick-release couplings are
situated in front of one another (Fig. 31).
Fig. 31: Position of the quick-release couplings
4.
First connect and hand-tighten the refrigerant
piping to ensure it is correctly seated.
5.
Then install the suction pipe with the largest
diameter.
Fig. 32: Installation on the indoor unit
6.
Then tighten the fittings with 2 appropriately-
sized open-ended spanners. Use one
spanner to counter the force when tightening
2
1
Fig. 33: Tightening the fitting
1: Tighten with the first open-ended spanner
2: Counter with the second open-ended spanner
7.
Open the stop cocks with an Allen key before
switch the system on!
Pipe dimension
in inches
Tightening torque in Nm
1/4"
15-20
3/8"
33-40
CAUTION!
Only open the stop cocks following complete
installation of the quick-release couplings and
before switching the system on!
27
