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1 Function of Refrigeration Unit
This refrigeration unit has following functions.
(1) Drive switching function
This is the function to switch the drive (engine/motor) depending on
whether the commercial power supply is connected or not.
Refer to page 39 for how to switch the drive.
(2) Operation pattern selection function
This is the function to switch operation pattern (automatic start/stop
operation/continuous operation).
For the switching of operation pattern, refer to pages 40 and 41.
(3) Defrosting operation function
This is the function to protect evaporator from frosting during cooling
operation and to prevent refrigerating power from decreasing.
There are following 2 methods to start defrosting operation.
1)
Automatic defrosting operation
Defrosting starts automatically by the timer setting.
Refer to page 33 for defrosting timer setting.
2)
Manual defrosting operation
Defrosting starts forcibly by pressing the switch of controller.
Refer to page 48 for how to operate.
As the defrosting operation is completed, the refrigeration unit returns to
the cooling operation.
Defrosting operation will not start when the evaporator temperature is
high even during the cooling operation
(4) Whisper operation function
This is the function to lower the operation sound with fixing the engine at
slow speed forcibly during engine driving.
Refer to page 47 for how to operate.
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