3MXL24RMVJUA 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.
5) Attach the valve cap once procedures are complete.
Gas stop valve
Close
Hexagonal
wrench
Liquid stop
valve
Valve cap
Forced cooling operation
1) Turn 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) Turn on the power.
8) Push the forced operation switch (SW1) above the service PC-board cover. (The operation will start.)
• Forced cooling operation will stop automatically after about 10 minutes.
To stop the operation, push the forced operation switch (SW1).
Service PC-board
HEAT
COOL
4
3
2
1
2
1
E
D
C
B
A
COOL
4
3
2
1
2
1
E
D
C
B
A
Screw
Remove
the switch
cover
Forced operation switch (SW1)
•Switch SW5 and SW6 to off.
•Set to COOL.
Operation mode switch (SW2)
2
1
ON OFF
4
3
ON OFF
2
1
HEAT
COOL
SW6
SW5
WARNING
Do not remove the switch cover unless the power has been turned off. (Risk of electric shock)
English
01_EN_3P500432-6E.indd 16 10/17/2019 3:02:10 PM