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    • 5. 发明公开
    • REFRIGERATION AND DEFROST CONTROL SYSTEM
    • 制冷和除霜控制系统
    • EP1864061A2
    • 2007-12-12
    • EP06739615.0
    • 2006-03-24
    • ROBERTSHAW CONTROLS COMPANY
    • DAVERN, Thomas, J.DEVINE, JackBENNETT, William, B.
    • F25D21/06
    • F25D21/08F25D21/008
    • A system and method for refrigeration timer control having an energy efficient defrost cycle are provided. The system and method provide a delay time after the refrigeration cycle and prior to the defrost cycle. During this delay period the evaporator fan may run. The fan circulation and the heat from the fan coil provide a pre-warm cycle to the evaporator prior to the defrost cycle. To further enhance energy efficiency, the system and method may also provide a pre-refrigeration cycle after the defrost cycle. During this pre-refrigeration cycle only the compressor is energized. This prevents warm moist air from being circulated until the evaporator coils are cooled.
    • 提供了一种具有能量高效的除霜循环的用于制冷计时器控制的系统和方法。 该系统和方法在制冷循环之后和除霜循环之前提供延迟时间。 在此延迟期间,蒸发器风扇可能会运转。 在除霜循环之前,风扇循环和来自风扇盘管的热量为蒸发器提供预热循环。 为了进一步提高能源效率,该系统和方法还可以在除霜循环之后提供预制冷循环。 在此预制冷循环过程中,只有压缩机通电。 这样可以防止温暖潮湿的空气循环,直到蒸发器盘管冷却。