Digital room thermostat for 4tr 3way FCU and 2-way valve 1UI 5DO Modbus ~220V BS white SE RTF4IML Systeme Electric

Electronic thermostat for fan coil unit (thermostat), ventilation/heating/cooling/auto modes, for 4-pipe 3-speed fan coil and 2-position valves, can be used for water convector or radiator, fan speed low/medium/high/auto, climate control (auto mode and auto fan speed), universal input for external temperature sensor or card switch, backlit LCD screen, push buttons, RS-485 connection, Modbus RTU protocol with monitoring and control functions, housing color white, power supply voltage 230 V AC, adjustable button lock, installation in a BS standard box with depth 35 mm or more