9
8
6 7
Installing the outdoor unit
6
Install the connection pipe to the outdoor unit
Install the connection pipe with quick-coupling
Remove the protection cover before connecting the coupling pipe and electric wiring.
Tighten the shut-off valve nut firmly with torque wrench as shown in
.
Fasten the larger coupling first and then the smaller coupling.
Quick coupling installation procedure
1
3
6
7
4
5
2
8
9
10
10
3
4
5
Take off the plastic nuts at the outdoor unit and connection pipe quick couplings
.
Align the centre of the outdoor unit quick coupling and screw the quick coupling pipe by hand .
Do not use torque wrench to turn the nuts as it may cause leakage.
Do not shake the coupling during tightening it .
8 9
10
Undo the shut-off valve nut with torque wrench .
Open the shut-off valve with hex wrench, turn counter clockwise till open and reverse 180° clockwise .
Tighten the shut-off valve nut firmly with torque wrench .
Repeat steps
and
for the larger coupling.
AV18Ninstructions 12/3/08 09:06 Page 6