在热泵系统四通换向阀后的排气管上加旁通毛细管和在气液分离器中加过冷管。
A by-pass capillary tube was added on the discharge pipe behind the four-way valve and a tube was added in an accumulator in a heat pump system to solve the problem.
检查安全阀有无异常，排气管支撑牢固。
Examine if the safety valve is normal, vent pipe is fastness.
检查安全阀有无异常，排气管支撑牢固。
Examine if the safety valve is normal, vent pipe is fastness.
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