9-2. START AND FINISH OF TEST RUN
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Note:
The operation cannot be changed by SW4-2 during test run. (To change test run mode, stop the unit by SW4-1,
change the operation mode and restart the test run by SW4-1.)
9-1. REFRIGERANT COLLECTING (PUMP DOWN)
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Warning:
When pumping down the refrigerant, stop the compressor before disconnecting the refrigerant pipes.
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pressure in the refrigeration cycle could become extremely high if air is drawn in, causing the pipes to burst, personal
injury, etc.
OFF
1
2
ON
<SW4>
Stop
Operation
Cooling
Heating
OCH567
