... switch 3.Prepaid payment 4.FCU control system AKE HVAC Terminal Remote Control System 1. System CompositionTop Layer: Software ... : G04P Data ManagerFourth Layer: Network Thermostat (Mode TC-N01,TC-N02, TC-N03, TC-N04 )2.System Working ProcessA. Network Thermostat which ... , business apartment, residence community, hospital,school and hotel whose terminal is Fan Coil Unit (FCU).4. Advantage1). Can be ...