9
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.
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 around 15 minutes.
To stop the operation, press the indoor unit ON/OFF switch.
Using the indoor unit’s remote controller
• Please read about the procedure in “Trial operation from remote controller” in the installation manual attached to the
indoor unit. Please set the operation mode to “cooling”.
CAUTION
• When pressing the switch, do not touch the terminal block. It has a high voltage, so doing so may cause electric shock.
• After closing the liquid stop valve, close the gas stop valve within 3 minutes, then stop the forced cooling operation.
Liquid
stop valve
Gas
stop valve
Service port
Valve cap
Close
Hexagonal
wrench
WARNING
The unit is accompanied with the label below. Please read the following instructions carefully.
WARNING
1)
2)
3)
4)
5)
• When the refrigeration circuit has a leak, do not execute pump down with the compressor.
• Use recovery system into separate cylinder.
• Warning, explosive hazard exists when executing pump down.
• Pump down with compressor can lead to self-combustion due to air entering during pump
down.
Used symbols:
1)
Warning sign (ISO 7010 – W001)
2)
Warning, Explosive material (ISO 7010 – W002)
3)
Read Operator’s manual (ISO 7000 – 0790)
4)
Operator’s manual; operating instructions (ISO 7000 – 1641)
5)
Service indicator; read technical manual (ISO 7000 – 1659)
3PEN386697-4L.book Page 9 Monday, July 31, 2017 2:37 PM
