23XRV Water-Cooled Screw Chiller from Carrier


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23XRV EVERGREEN®

High-Efficiency
Variable Speed Screw Chiller

300 to 550 Nominal Tons (1055 to 1934 kW)

The 23XRV chiller is the world’s first integrated variable speed, water cooled, screw chiller. The 23XRV incorporates significant breakthroughs in water-cooled chiller technology to provide excellent reliability and achieve superior efficiencies at true operating conditions without compromising the environment. Quality design and construction make the Evergreen 23XRV chillers the best choice for modern, efficient chilled water plants.

Carrier's Evergreen chillers offer the best value in high-efficiency chlorine-free centrifugal HVAC chillers.



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Performance Features

IPLV to 0.33
Chlorine-free HFC-134a refrigerant
Full Load kW/Ton to 0.53
Tri-rotor, positive displacement screw compressor
Hermetic compressor motor
Refrigerant-cooled, unit-mounted variable frequency drive
Low inrush current
Operation of up to 0.99 power factor
Flooded shell-and-tube cooler
Float valve
Superior oil management/cold condenser water operation
Internally and externally enhanced 0.025 in. (0.635 mm) copper tubing
150 psig (1034 kPa) rated cooler and condenser
LCD control display
Microprocessor-based Product Integrated Control (PIC) III
Multilingual display
Demand limiting capability with Carrier Comfort Network® (CCN) communication link

Reliability Features

ASME constructed heat exchangers
Low voltage control circuits
Lowest industry refrigerant leakage rate at less than 0.1%
Hermetically sealed compressor motor
Automated controls may be tested before start-up
65K AIC circuit breaker

Maintenance Features

Password protected extensive service menu with built-in diagnostic capabilities, troubleshooting, and corrective action recommendations for preset alarms
Alarm and alert files maintain the last 25 time and date stamped messages in memory
Configuration data backup with non-volatile memory
Refrigerant filter isolation valves
Thermistor type temperature sensor with quick connects in each water nozzle
Refrigerant isolation valves for in-chiller refrigerant storage (factory-installed option)
Unit-mounted pumpout unit for storing refrigerant inside the chiller during servicing (factory-installed option)
Hinged water boxes (factory-installed option)
Service contract available