Test Operation PACD011001C2
474 Test Operation UM Combination “MA1R Series” Using R-407C
1.11 Refrigerant Recovery Mode
„
The electronic expansion valves in the indoor and outdoor units are fixed in the fully open
position for refrigerant recovery.
[Work procedure]
1. Stop equipment operation.
2. Set the service mode.
3. Turn off the power switches of the indoor and outdoor units.
(Turn off the power switch of one unit, then turn off the power switch of the other unit within 10 minutes.)
4. Conduct refrigerant recovery.
5.
„
Cancel the setting in the setting mode or cancel the mode by conducting power reset of the outdoor
unit.
In service mode 1, press the “MODE” button for 5 seconds to enter
service mode 2.
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Press the “SET” button to set the LED indicators to the "refrigerant
recovery mode" indication.
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Press the “RETURN” button.
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Press the “SET” button to set the LED indicators as shown at right.
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Press the “RETURN” button to end the setting operation.
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Press the “RETURN” button again to return to initial status.
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