| 摘要 |
PROBLEM TO BE SOLVED: To improve the efficiency of an air conditioner by reducing heat radiation loss radiated from a heat storage tank till starting of the operation using the heat storage. SOLUTION: This air conditioner is provided with a heat source side unit having a compressor and heat source side heat exchanger, a heat storage unit disposed with a heat storage coil submerged in the heat storage tank, and a use side unit having a use side heat exchanger, and is provided with the heat storage unit allowing a control device to perform a heat storage operation, heat storage using operation, and non-heat storage using operation. The control device sets a completion time of the heat storage operation storing the heat in the heat storage tank to approximate to a starting time t0 of a time zone of the heat storage using operation using the heat storage in the heat storage tank and sets the starting time of the heat storage operation to change into t1, t2, t3, or t4 according to the water temperature of the heat storage tank. COPYRIGHT: (C)2004,JPO
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