| 摘要 |
PROBLEM TO BE SOLVED: To provide the control device and method of a compressor for making the balance appropriate between the load and cooling performance of the compressor, and at the same time, realizing appropriate cooling capacity according to the conditions. SOLUTION: As the operation method of the inverter compressor 10, based on the inner temperature (temperature inside a room) of each of product rooms 1a, 1b, and 1c, the temperature (product temperature) of an accommodated product itself, a defrosting signal for indicating the state of defrosting operation to an evaporator 3, door opening/closing information for indicating the opening/ closing state of the opening/closing door (not shown) of a vending machine, and product replenishment information for indicating the replenished state of products, the control device of the compressor comprises an operation method- setting section 21 for selecting either pull-down operation or steady operation, and a speed command section 21 for setting the speed of the inverter compressor 10, according to the operation method selected by the operation method-setting section 21 and instructing the set speed to the inverter compressor 10.
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