2MXS18NMVJUA Installation Manual

16■English
Pump Down Operation
In order to protect the environment, be sure to pump down when relocating or disposing of the unit.
1) Remove the valve cap from liquid stop valve and gas stop valve.
2) Carry out forced cooling operation.
3) After5to10minutes,closetheliquidstopvalvewithahexagonal
wrench.
4) After 2 to 3 minutes, close the gas stop valve and stop forced
cooling operation.
Gas stop valve
Close
Hexagonal
wrench
Liquid stop
valve
Valve cap
Forced cooling operation
1) Switch off the power.
2) Remove the Service lid (2 screws).
3) Remove the service PC-board switch cover (1 screw).
4) Switch SW5 and SW6 to off.
5) Turn the operation mode switch (SW2) to COOL.
6) Screw the service PC-board switch cover back on (1 screw).
7) Switch the power on.
8) Push the forced operation switch (SW1) above the service PC-board cover.
Start forced cooling operation.
To stop forced operation, push the forced operation switch (SW1) again.
WARNING
Do not remove the switch cover unless the power has been turned off. (Risk of electric shock)
Service PC-board
HEAT
COOL
4
3
2
1
2
1
E
D
C
B
A
•Switch SW5 and SW6 to off.
2
1
ON OFF
4
3
ON OFF
2
1
•Set to COOL.
Forced operation switch (SW1)
HEAT
COOL
Operation mode switch (SW2)
SW6
SW5
COOL
4
3
2
1
2
1
E
D
C
B
A
Screw
Remove
the switch
cover
English
01_EN_3P379970-9C.indd 16 10/17/2019 4:42:20 PM