电气维护 In this section: 设备保护装置 高压切断开关 高压切断组合装置 高压切断开关的拆卸/安装 低压切断开关 Low Pressure Cutout Switch or Suction Transducer Configuration Discharge and Low Pressure Sensors (Optional) Condenser Fan and Evaporator Fan Rotation Evaporator Heater Selection Compressor Discharge Temperature Sensor Temperature Sensors