若空调器液、气管保温不好，也会引起制冷、制热效果不良。
If air conditioner fluid, tracheal insulation is bad, can also cause the refrigeration, adverse effect.
若以上故障已排除，空调器仍然制冷、制热效果差，则可判断压缩机失效或效率降低。
If above fault has been ruled out, air conditioner still cooling, heating effect is poor, then can judge compressor failure or low efficiency.
本文对房间空调器热泵实际使用状态与额定状态的差异进行了分析，提出了增强热泵制热效果的方案。
The thesis analyses the differences between the actual state and the rating state of the heat pump of room air conditioners and puts forward a proposal to enhance the heating effect.
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