COMFORT UNIT CONTROLS CodingfoRunitfoRReCiRCuLatedaiRappLiCationsonLy Description Application Codes Function ■ Heating and cooling with deadband ■ Control on: - Water coil solenoid valve(s) - Electric heater with or without relay ■Permanent ventilation Temperature range + 5 °C to + 30 °C ■ COMFORT LINE/MAJOR LINE/COADIS RTR-E 7203 Components LINE 600 ■ 1 sensing element - changeover switch - Electric heater 1400 W max. with midpoint (rest position) with fixed 3 K - Compulsory relay from 1400 W 5201021 deadband ■ COADIS LINE 900 & MELODY 2 ■ 1 temperature adjustment button - Electric heater 3000 W max. ■ 1 unipolar on/off (0/1) switch “Relay built-in to the device” ■ 1 x 3-speed ventilation switch Supply voltage 230 V - 50/60 Hz Breaking capacity ■ 3 A, inductive circuit (motor) ■ 6 A, resistive circuit (electric heater, 1400 W max.) L x l x H = 127.5 x 75 x 25.5 mm Function Potentiometer ■ Manual variation from 0 to 100% for variable of the Brushless fan speed speed control Components ■ Potentiometer with stop position ■ Comfort units equipped with Brushless motor management 0 - 10 V 7180650 Supply voltage 230 V-50-60 Hz Outlet ■ 0 - 10 V (8 mA max.) L x l x H = 82 x 82 x 65 mm CATALOGUE 2021 111 111