• Single circuit/compressor stand-by through key
• LAN for master/slave connection
• Combined/forced defrosting
• Alarm control, even in stand-by or remote off
• Pump-down function (stop and start)
• PWM/4÷20mA/0÷10V output for condensing management
• Temperature/pressure unloading function
• Screw compressor management
• Compressor rotation control (also from start/hour number)
• Direct, part-winding, star-delta compressor start
• Dynamic set point
• Geothermal free cooling management
• Compressor management through inverter
• EEV management
• Start and stop by time bands (from RTC)
• Energy saving by time bands (from RTC or digital input)
• Easy programming through HOT KEY 64 or PC (PROG TOOL KIT)
• TTL (convertible in RS485) serial output with ModBUS protocol