Si33-105
Test Operation
Test Operation R407C PLUS Series Heat Recovery System
123
1.10
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 for one of indoor or outdoor 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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Summary of Contents for R407C PLUS
Page 1: ...System R407C PLUS Series Heat Recovery System Si33 105 Service Manual ...
Page 11: ...Introduction Si33 105 x ...
Page 41: ...Specifications Si33 105 30 Specifications R407C PLUS Series Heat Recovery System ...
Page 147: ...Test Operation Si33 105 136 Test Operation R407C PLUS Series Heat Recovery System ...
Page 263: ...Si33 105 iv Index ...
