11 nEnglish
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 five to ten minutes, close the liquid stop valve with a
hexagonal wrench.
4) After two to three minutes, close the gas stop valve and stop
forced cooling operation.
1. Forced operation
1) Turn the Operation Mode switch (SW2) to “COOL”.
2) Press the Forced Operation switch (SW1) to begin forced cooling. Press the Forced Operation switch (SW1) again to stop
forced cooling.
Gas stop valve
Close
Hexagonal
wrench
Liquid stop valve
Valve caps
Service PC-board
Operation Mode
switch (SW2)
Forced Operation
switch (SW1)
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