| 摘要 |
PROBLEM TO BE SOLVED: To perform pull-down operation in a short time at a test run, and to set proper target suction pressure even if a season at the test run is in either case. SOLUTION: This operation system of an inverter refrigerator 2 has a control device 4 for varying output of the inverter refrigerator 2, and is formed as a structure having a fixed mode switch 34 for manually inputting prescribed target suction pressure for fixing the output of the inverter refrigerator 2, and a season mode switch 35 for setting the target suction pressure corresponding to inputted present history information by inputting the present history information to the control device 4 for presetting the target suction pressure on the basis of a store inside enthalpy corresponding to a season. Thus, the target suction pressure can be manually inputted by the fixed mode switch 34, and the target suction pressure corresponding to the season is automatically determined by the season mode switch 35 so that pull-down performance can be confirmed in a short time at a test run.
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