The VRV/VRF air conditioning (AC) gateway(B19), which can connect multiple air conditioners to the smart home centralized control system or BMS system. The product communicae with Ethernet network port ,and supports work with Buspro Gateway. At present, this product can support the VRV/VRF AC systems of Daikin, Hitachi, Toshiba, Mitsubishi Electric, Hisense, Haier, Panasonic, York, Mitsubishi Heavy Industry, Midea, LG, AUX, Bosch, Gree, TICA, Samsung, Chigo, Trane, Carrier, McQuay, etc.