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English
When attaching the drain pan heater
WARNING
• Make sure to turn the power OFF before performing work.
In high humidity areas or heavy snow areas, it is recommended to attach a drain pan heater to
prevent ice build-up from the bottom frame.
1)
Attach the drain pan heater in accordance with the installation manual included with the drain pan heater.
2)
Dismount the service lid by removing the 2 screws.
3) Remove the switch cover (1 screw).
4) Turn on SW6-1 on the PCB.
PCB
HEAT
COOL
4
3
2
1
2
1
E
D
C
B
A
ON
OFF
2
1
SW6
1
2
Turn on
switch 1
Screw
Remove
the switch
cover
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 the liquid stop valve and gas stop valve.
2)
Begin 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 caps once procedures are complete.
Liquid
stop valve
Hexagonal
wrench
Valve cap
Close
Gas
stop valve
Forced cooling operation
Using the indoor unit ON/OFF switch
Press the indoor unit ON/OFF switch for at least 5 seconds. (The operation will start.)
• Forced cooling operation will stop automatically after about 15 minutes.
To stop the operation, press the indoor unit ON/OFF switch.
Using the indoor unit’s remote controller
1)
Press
,
and
at the same time.
2)
Press
, select “
”, and press
for confirmation.
3)
Press
and select the COOL operation.
4)
Press
to turn on the system.
• Forced cooling operation will stop automatically after about 30 minutes. To stop the operation, press
.
01_EN_3P686865-1.indd 11
2022/04/20 9:18:30
