原因分析: (1)过滤器、冷凝器及蒸发器上的灰尘污物过多或堵塞; (2)空调房间太大或冷源太多; (3)安装位置不当、安装位置过低或前有障碍物; (4)空调房间的门窗开启频繁; (5)室外温度过低、室外热交换器结霜,换热器效果差; (6)室外温度低于7℃时,空调器实际制热量低于铭牌上的制热量; (7)室内、外机组出风或进风口有遮挡物,影响热交换; (8)风速设定不当; (9)冷媒泄漏; (10)管路阀门未开足; (11)室内外机阀的连接管保温不定; (12)毛细管局部堵塞; (13)四通阀故障; (14)压缩机故障; (15)设定温度太低; (16)室外机单向阀泄漏; (17)除霜不彻底 |
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