User manual

1592022700 User manual iCHILL 200CX Rel. 1.0 22/04/2009
• Three different time bands per day (only for controller with RTC onboard)
• From digital input
Weekly ON/OFF:
• Three different time bands per day (only with RTC onboard)
Dynamic setpoint:
• Determined by analogue NTC input or 4÷20mA current input.
Change over :
• Automatic chiller or heat pump functioning depending from NTC analogue input
Remote OFF:
• From configurable digital input
Remote change over:
• From configurable digital input
Hot start :
• Only for air / air unit
Defrost management:
• Combined control with temperature and pressure
• Forced defrost with low temperature of external air
• From configurable digital input
• Manual from keyboard
Boiler:
• For electrical integration heating or anti-freeze heaters
Proportional signal for condensing fan speed control (inverter or cut of phase):
• PWM
• 0÷10Volt
• 4÷20mA
Proportional outputs 0÷10V or ON/OFF
• To control the dumper in geothermal application or for auxiliary outputs
• To control an external relay
Complete alarm management
• Internal Data logger up to 100 events
Supervisor / tele assistance/ monitoring
• TTL output for XJ485CX interface (ModBus protocol) for Dixell monitoring system for local and remote control
Up to 2 remote terminals
• With NTC ambient temperature probe