| 摘要 |
PROBLEM TO BE SOLVED: To enable comfortable operation by stopping the blow out of cold air at the start of heating operation. SOLUTION: A thermal storage air conditioner is provided with a heat source unit 1, a water-brine heat exchanger 3 connected to the heat source unit 1, a thermal storage tank 5 storing water, a thermal storage heat exchanger 6 arranged inside the thermal storage tank 5, a brine pump 7 circulating the brine between the heat source unit 1 and the water-brine heat exchanger 3 and between the heat source unit 1 and the thermal storage heat exchanger 6, a plurality of indoor units 12 and 13 each of which is connected to the thermal storage unit 5 through electric two way valves 10 and 11, a water pump 9 circulating the water inside the thermal storage tank 5 between the thermal storage tank 5 and each of the indoor units 12 and 13, and a circulation pump 16 circulating the water inside the thermal storage tank 5, wherein the piping on the discharge side of the circulation pump 16 is branched and the one of the branched piping is connected among the water pump 9 and the electric two way valves 10 and 11.
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