| 摘要 |
PROBLEM TO BE SOLVED: To eliminate dirty such as slime, sludge and sediment inside a heat exchanger coil by forcibly letting water and ice flow inside the heat exchanger coil. SOLUTION: This method uses a suction pump 11, a washing dirty water recovery tank 12, a suction hose 13 for connecting the washing dirty water recovery tank 12 to a heating medium supply opening 2a or a discharge opening 3a of a heat exchanger (air conditioner) 1, and a supply hose 21 having a hopper 20, into which ice and water are thrown, in one end thereof and connected to the heating medium discharge opening 3a or the supply opening 2a in the other end thereof. The suction hose 13 is connected to the heating medium supply opening or the discharge opening of the heat exchanger 1, and the supply hose 21 is connected to the heating medium discharge opening or the supply opening of the heat exchanger 1. The suction pump 11 is driven, and while ice and water are supplied to the supply hopper 20, and the ice and the water are recovered to the washing dirty water recovery tank 12 through the heat exchanger coil inside the heat exchanger 1. COPYRIGHT: (C)2005,JPO&NCIPI
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