Adat pusat alat tukar vendor can work with air conditioning vendor, pusat air conditioning switch a central air conditioner terminal control products. It can be divided into two categories: thermostat and three-speed switch. Thermostat can control fan coil electric valve and fan at the same time, three-speed switches can only control fan. Air conditioning vendors can customize the central switch equipment vendors, common research and development of new central switch air-conditioning, so as to meet the various requirements of consumers, in addition, custom central switchgear vendors can directly cooperate with consumers, customized central switch needs of consumers