The C210 Zone controller operates with new RF communication method which
saves lot Of time during installation. The C210 controls have up to 5 zones. (Rooms) + By-Pass. The Bypass will balance the air flow according to the load at the rooms.
The use of RF signals saves cables between each thermostat to the main Controller.
C680 RF thermostats have Power ON / Off button. Up and Down Temp. and Address buttons.Damper position and mode of operation. Mode of operation. Cool and Heat. Temperatures and address. I.D Code No. Heat mode of operation icon. Cool mode of operation icons. Room and Address numbers. Damper position and mode Icons. Low Batteries icon, Antenna reception intensity