16 | Disposal
Installer reference guide
74
2MXM-A9, 3MXM-A9, 4MXM-A9, 5MXM-A9
R32 Split series
4P600463-7G – 2022.09
3 After 5 to 10minutes (after only 1 or 2minutes 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 2-3minutes, close the gas stop valve and stop forced cooling.
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.
2
1
1×
1
OFFON
4
3
2
1
2
1
4
3
2
1
HEAT
COOL
A
1
2
3
4
5
2
3
SW6
SW2
SW5
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.
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