经测运行电流为9.8A,系统运行压力为0.53MPa。观察室内蒸发器上半部干燥无水迹。根据电流偏大,出风【温度wd】偏高,蒸发器上半部干燥,推断可能是蒸发器堵塞。查该蒸发器(四进四出)上端一组进口堵死,造成制冷差。排除堵塞后运行电流为9.5A,运行压力为0.56MPa,出风【温度wd】12℃,【故障】排除。 |
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