CoolMaster G is a versatile seamless Control adapter connecting Gree's VRF Air Conditioning systems with any RS232 or USB featured devices like Home PCs, Embedded PCs or Home Automation Controllers. Connecting such Controllers through common RS232 or USB interfaces with the CoolMaster G will provide end-users with full control of all Gree VRF indoor units enabling them with access to HVAC's various functionalities including diagnostic.

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