... , exhaust temperature, general environment temperature), 5 controlling output (compressor, circulating pump, four-way valve, fans, electric heating), ... 1 water level signal input (used for high compressor protection).Main Technique Index:Range of Temperature Display: ... C~50°C,humidity ≤85%.Output Load Capability: Compressor and Defrost 10A/250VAC,Others 2A/250VACTemperature Sensor ...