5MXS48TVJU 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 caps from liquid stop valve and gas stop valve.
2) Carry out forced cooling operation.
3) After1to2minutes,closetheliquidstopvalvewithahexagonal
wrench.
4) After 3 to 4 minutes, close the gas stop valve and stop forced
cooling operation.
5) Attach the valve cap once procedures are complete.
Close
Gas stop valve
Hexagonal
wrench
Liquid stop
valve
Valve caps
Forced cooling operation
1) Turn off the power.
2) Remove the right side plate (6 screws) and the shield cover (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) Attach the shield cover (2 screws) and the right side plate (6 screws).
8) Turn on the power.
9) Push the forced operation switch (SW1) above the service PC-board cover. (The operation will start.)
• Forced cooling operation will stop automatically after about 8 minutes.
To stop the operation, push the forced operation switch (SW1) again.
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_3P537039-1.indd 16 9/12/2018 7:37:47 PM