Accurate temperature control, fast response: real-time collection of room temperature, no delay in starting and stopping cooling and heating DC voltage stabilization and balanced output: stabilize DC voltage and adapt to variable frequency internal and external machine power supply External core, driving compression: controlling the start-up and load operation of external fans and compressors Central coordination, whole machine scheduling: the core of the whole machine circuit, coordinating the operation logic of all fans, compressors, and temperature controllers Accurate matching, no change in replacement: With the same specifications of circuit parameters, the entire machine runs as before after replacement, Weight: 0.110231131 pounds, Manufacturer: EIWPFYDJ