| 摘要 |
PROBLEM TO BE SOLVED: To smoothly restart heating operation. SOLUTION: In the control device of this air conditioner, that forms a refrigeration cycle by connecting an outdoor machine having a compressor for varying speed in multiple steps, a four-way valve, an outdoor heat exchanger, an outdoor control device, and the like, and an indoor machine having an indoor heat exchanger, a fan, an indoor control device, and the like using refrigerant piping and a tie electric wire, and provides a refrigerant-heating device that heats one portion of the refrigeration cycle in the outdoor machine, a delay operation means for operating the compressor at a low speed for a specific period of time when heating operation is stopped, and for inhibiting re-operation for a fixed period of time after the compressor is stopped, and a compressor operation judgment part for judging whether the compressor is operating are provided, and a heating re-operation function for judging whether the compressor is operating currently by a compressor operation judgment part, if a re- operation command is received from the indoor control room during the delay operation, for resuming the operation of the refrigerant-heating device by allowing the compressor to return to a high operation speed while the compressor is in operation, and for continuing the delay operation, if the compressor is stopped are provided. |
