Mode button (OFF/COOLING/HEATING/AUTO) and fan speed button (Max/Med/Min/AUTO).
Thermostat with set point regulation (temperature indication for ATW only).
Main and additional coil valves ON/OFF control in cooling/heating operation (for 2 or 4 pipes installation).
Electric heater control in 2 pipes systems (ATW only). Control of traditional or PWM modulating valve units.
Remote room air temperature probe in AT (on-board sensor in ATW) and remote water temperature probe.
Digital input configurable as: window contact, economy, heating or cooling remote changeover.
Periodic ventilation set (AT only).
Configuration dip switch. TTL serial port with Modbus RTU protocol for installation in BMS systems (BusAdapter required).
HOT START function (heating mode only). TOO COOL function (cooling mode only).
Blue LEDs indicates system’s turning-on, mode and fan speed.