dIXEL IPC400D SERIES - Generalities; Main Functions

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USER MANUAL – Release 1.2 of 01/01/2010 Page 11 of 191
Version: 02/03/2010
2. GENERALITIES
iPro.CHILL is a programmable controller for application on Air Conditioning units up to 4 circuits and 4
compressors per circuit.
It is possible to manage the following units:
• Air/air
• Air/water
• Water/water
• Condensing Units
All types with:
• Heating with gas reversibility
• Free cooling function
• Recovery function
• Domestic hot water function
2.1 MAIN FUNCTIONS
Management of the cooling unit with:
• Single-circuit up to four compressors
• Four circuits with odd number of compressors among the circuits
• Four circuits up to 16 compressors
• Screw compressors
Start-up of configurable compressors:
• Direct
• Part winding
• Star delta
Compressor management with inverter (Not Available):
• 1 compressor per circuit
Configurable soft start-ups:
• Start-up with unloading valve
• Idle running valve
• Gas by-pass valve outside the compressor
Unloaders management:
• continuous working
• step working
• modulating working (screw compressors)
Compressors rotation and temperature control configurable from parameter:
• by n° of running hours
• by n° start-up hour
Compressors liquid injection function
• Control with dedicated PTC probe
Compressors discharge high temperature alarm function
• Control with dedicated PTC probe
Complete management of two water side pumping units:
• 2 pumps evaporator side
• 2 pumps condenser side
Customised default display of all variables
• Temperatures
• Pressures
Other displays available
• Status of the digital inputs
• Compressor running hours
• N° compressor start-ups
• Evaporator/condenser water pump running hours
• Time remaining before defrost
• Percentage of the proportional outputs
• Compressors discharge temperature
Reset alarms using customised password
• Historical alarms
• Compressor thermal overload alarms
Possibility of enabling/disabling the individual circuit