EVERGREEN® 23XRV
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Product Data EVERGREEN® 23XRV High-Efficiency Variable Speed Screw Chiller with FOXFIRE™ Compression Technology 50/60 Hz HFC-134a 250 to 550 Nominal Tons (879 to 1934 Nominal kW) Carrier’s Evergreen® 23XRV chiller is the world’s first integrated variable speed, water-cooled, screw chiller. It incorporates significant breakthroughs in water-cooled chiller technology to provide excellent reliability and achieve superior efficiencies at true operating conditions without compromising the environment. The 23XRV chiller provides: • Variable speed, positive displacement screw compressor. • Air Conditioning, Heating, and Refrigerant Institute (AHRI) certified efficiencies to 0.299 kW/ton (AHRI IPLV). • Chlorine-free HFC-134a refrigerant. • IEEE-519 compliance for harmonic distortion with units equipped with the LF-2 variable frequency drive (VFD). • An ideal solution for constant and variable flow pumping systems. Features/Benefits Quality design and construction make the Evergreen 23XRV chillers the best choice for modern, efficient chilled water plants. Product reliability a23-211ef 23XRV (UNIT WITH R COMPRESSOR, LF-2 VFD SHOWN) * Meets IBC 2006, ASCE-7-05, CBC 2007, and OSHPD seismic requirements. ® INNOVATION AWARD The 23XRV chiller uses proven technology from Carrier’s existing line of Evergreen chillers along with innovations that increase reliability. The 23XRV compressors are designed for extremely high reliability. The advanced tri-rotor compressor features a balanced rotor geometry and shorter screw lengths, resulting in vastly reduced compressor bearing loads and a minimum L10 compressor bearing life in excess of 500,000 hours when operated at AHRI conditions. WINNER – Green Building

Features/Benefits (cont) Variable speed capacity control eliminates slide valves, their associated losses, and their potential failure modes. Component count (both rotating and total) has been minimized assuring maximum reliability under a wide range of operating conditions. High efficiency Per AHRI 550/590, chillers operate at design conditions less than one percent of the time. As a result, superior part load efficiency is required for today’s chilled water applications. The Evergreen® 23XRV screw chiller maximizes chiller efficiency by optimizing compressor operation. Electric power...

• Machine room cooling requirements associated with air-cooled motors, which dissipate heat to the mechanical room. • High noise levels common with aircooled motors, which radiate noise to the machine room and adjacent areas. • Shaft alignment problems that occur with open-drive designs during startup and operation, when equipment temperature variations cause thermal expansion. Positive pressure design — Positive pressure designs eliminate the need for costly low pressure containment devices, reducing the initial cost of the system. The Evergreen® 23XRV chiller’s positive pressure design...

Features/Benefits (cont) feature also allows the machine to operate at reduced capacity, rather than shut down, when key safety limits are approached. Chilled liquid reset — Reset can be accomplished manually or automatically from the building management system. For a given capacity, reset allows operation at slower compressor speeds, saving energy when warmer chilled liquid can be used. Demand limiting — This feature limits the power draw of the chiller during peak loading conditions. When incorporated into the Carrier Comfort Network® building automation system, a red line command holds...

Physical data 23XRV COMPRESSOR AND MOTOR WEIGHTS ENGLISH Motor Terminal Cover (lb) Total Compressor Weight (kg) Motor Terminal Cover (kg) COMPRESSOR TYPE MOTOR SIZE Total Compressor Weight (lb) MAXIMUM COMPONENT WEIGHTS COMPONENT Isolation Valves Suction Elbow Discharge Elbow/Muffler Q Compressor R Compressor Q Compressor R Compressor Control Center/VFD (LF-2) Control Center/VFD (Std Tier) Vaporizer and Oil Sump Economizer VFD LEGEND — Variable Frequency Drive 23XRV HEAT EXCHANGER WEIGHTS ENGLISH Dry Rigging Weight (lb)* Cooler Only Cond. Only Machine Charge METRIC (SI) Dry Rigging Weight...

Physical data (cont) ADDITIONAL WEIGHTS FOR 23XRV MARINE WATERBOXES* 150 psig (1034 kPa) MARINE WATERBOXES ENGLISH (lb) Cooler Condenser Rigging Wgt Liquid Wgt Rigging Wgt Liquid Wgt 730 700 N/A N/A 365 350 365 350 1888 908 N/A N/A 944 452 989 452 2445 1019 N/A N/A 1223 510 1195 499 SI (kg) Cooler Condenser Rigging Wgt Liquid Wgt Rigging Wgt Liquid Wgt 331 318 N/A N/A 166 159 166 159 856 412 N/A N/A 428 205 449 205 1109 462 N/A N/A 555 231 542 226 300 psig (2068 kPa) MARINE WATERBOXES ENGLISH (lb) Cooler Condenser Rigging Wgt Liquid Wgt Rigging Wgt Liquid Wgt 860 700 N/A N/A 430 350 430 350...

Options and accessories ITEM Std Tier VFD Freestanding 5% Line Reactor (for use with Std Tier VFD only) .028 or .035 in. (0.711 or 0.889 mm) Internally/Externally Enhanced Copper Tubing — Cooler/Condenser .028 or .035 in. (0.711 or 0.889 mm) Internally/Externally Enhanced Cupronickel Tubing — Condenser .028 or .035 in. (0.711 or 0.889 mm) Smooth Bore/Externally Enhanced Copper Tubing — Cooler/Condenser .028 or .035 in. (0.711 or 0.889 mm) Smooth Bore/Externally Enhanced Cupronickel Tubing — Condenser Flanged Cooler and/or Condenser Waterbox Nozzles** Hinged Waterboxes Marine Waterboxes, 150...

Dimensions 23XRV DIMENSIONS (UNIT WITH R COMPRESSOR SHOWN) TUBE REMOVAL SPACE FOR EITHER END SIZES 30-32, 40-42 50-52 14’-3” (4343 mm) SIZES 35-37, 45-47 55-57 14’-0” (4267 mm) MOTOR SERVICE CLEARANCE 1’-10” (559 mm) FRAME R COMPRESSOR 3’-0” (915mm) RECOMMENDED OVERHEAD SERVICE CLEARANCE SERVICE AREA 23XRV DIMENSIONS (NOZZLE-IN-HEAD WATERBOX) HEAT EXCHANGER SIZE 30 to 32 A (Length, with Nozzle-in-Head Waterbox) 2-Pass* 3 Pass mm ft-in. mm ft-in. mm 4350 13- 81/4 4172 14- 31/4 4350 See unit certified drawings 23XRV DIMENSIONS (MARINE WATERBOX) HEAT EXCHANGER SIZE 30 to 32 A (Length, Marine...