16
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Disposal
Installer reference guide
71
3AMXF-A9, 3AMXF-A9, 3AMXM-N9
R32 Split series
4P600463-1F – 2022.05
3
After 5 to 10 minutes (after only 1 or 2 minutes in case of very low ambient
temperatures (<−10°C)), close the liquid stop valve with a hexagonal wrench.
4
Check on the manifold if the vacuum is reached.
5
After 2-3 minutes, close the gas stop valve and stop forced cooling.
a
c
b
d
d
e
a
Gas stop valve
b
Closing direction
c
Hexagonal wrench
d
Valve cap
e
Liquid stop valve
16.3 To start and stop forced cooling
1
Turn OFF the power, remove the service cover and the switch box cover and
the service PCB switch cover.
2
Set DIP switch SW5 and SW6 to OFF.
3
Set DIP switch SW2 to COOL.
4
3
2
1
2
1
4
3
2
1
2
1
HEAT
COOL
A
1
2
3
4
5
2
3
SW5
SW6
SW2
OFF
ON
1×
1
4
Reattach the service PCB switch cover.
5
Turn ON the outdoor unit.
6
Press the forced cooling operation switch SW1 to begin forced cooling.
7
Press the forced cooling operation switch SW1 to stop forced cooling.
A
1
2
3
4
5
7
SW1
6
1×
4
5
=
