| 摘要 |
PURPOSE: The water circulation system and control method. In the process where header and refrigerant pipe are welded, the damage of header is minimized. CONSTITUTION: The water circulation system(1) comprises the heat pump, the indoor heat transfer member, the boiler part(6), the contact detector, the contact unit. It is composed of the compressor(21), outdoor heat exchanger(23), bulge(24), indoor heat exchanger(31) performing the heat exchange between refrigerant and the water and the heat pump is proceed the refrigerant cycle.
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