To Start And Stop Forced Cooling - Daikin 3MXM40A2V1B9 Installer's Reference Manual

16 | Disposal

16.3 To start and stop forced cooling

Installer reference guide
74
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.
b
c
a
d
e
d
a Gas stop valve
b Closing direction
c Hexagonal wrench
d Valve cap
e Liquid stop valve
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.
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.
ON OFF
2
SW5
1
A SW6
4
3
1
2
2
1
1
2
4
2
3
3
2
1
4
COOL HEAT
5
SW2
3
2MXM-A9, 3MXM-A9, 4MXM-A9, 5MXM-A9
R32 Split series
4P600463-7G – 2022.09