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®
EVERGREEN
Product
23XRV
High-Efficiency Variable Speed Screw Chiller
Data
with FOXFIRE™ Compression Technology
50/60 Hz
HFC-134a
300 to 550 Nominal Tons (1055 to 1934 Nominal kW)
®
®
Carrier’s Evergreen 23XRV chiller is
the world’s first integrated variable
speed, water-cooled, screw chiller.
It incorporates significant break-
throughs in water-cooled chiller tech-
nology to provide excellent reliability
and achieve superior efficiencies at
true operating conditions without com-
promisin
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Features/Benefits (cont) Variable speed capacity control elimi- input power to the chiller be lost, the 0.99 power factor — The Ever- nates slide valves, their associated loss- system design assures proper lubrica- green 23XRV chiller can operate at up es, and their potential failure modes. tion of the bearings during coast down. to 0.99 displacement power factor, Component count (both rotating and which helps building owners avoid Small footprint — The Evergreen total) has been minimized
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� Machine room cooling requirements input power leads to the VFD provides refrigerant more evenly over the associated with air-cooled motors, all unit power. length of the vessel for improved which dissipate heat to the mechan- efficiency. Marine container shipment — The ical room. compact design allows for open-top Closely spaced intermediate sup- � High noise levels common with air- container shipment to export destina- port sheets — Support sheets pre- cooled motors, which radiate noise tio
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Features/Benefits (cont) feature also allows the machine to Ramp loading — Ramp loading en- can be prevented through password operate at reduced capacity, rather sures smooth pulldown of liquid loop protection. Built-in diagnostic capabili- than shut down, when key safety limits temperature and prevents a rapid ties assist in troubleshooting and rec- are approached. increase in compressor power con- ommend proper corrective action for sumption during the pulldown period. preset alarms, resulti
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Physical data 23XRV COMPRESSOR AND MOTOR WEIGHTS ENGLISH SI Total Motor Motor MOTOR Stator Rotor Compressor Stator Rotor Compressor Terminal Terminal SIZE Weight Weight Weight Weight Weight Weight Cover Cover (lb) (lb) (kg) (kg) (kg) (lb) (lb) (kg) P,Q,R,S, 4866 441 229 46 2207 200 104 21 T,U,V COMPONENT WEIGHTS FRAME 3 HEAT FRAME 4 HEAT FRAME 5 HEAT EXCHANGER EXCHANGER EXCHANGER COMPONENT lb kg lb kg lb kg Isolation Valves 70 32 70 32 115 52 Suction Elbow 179 81 237 108 232 105 Discharge
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Physical data (cont) ADDITIONAL WEIGHTS FOR 23XRV MARINE WATERBOXES* 150 psig (1034 kPa) MARINE WATERBOXES ENGLISH (lb) SI (kg) NUMBER FRAME OF Cooler Condenser Cooler Condenser PASSES Rigging Wgt Liquid Wgt Rigging Wgt Liquid Wgt Rigging Wgt Liquid Wgt Rigging Wgt Liquid Wgt 1 and 3 730 700 N/A N/A 331 318 N/A N/A 3 2 365 350 365 350 166 159 166 159 1 and 3 1888 908 N/A N/A 856 412 N/A N/A 4 2 944 452 989 452 428 205 449 205 1 and 3 2445 1019 N/A N/A 1109 462 N/A N/A 5 2 1223 510 1195 499 555 2
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Options and accessories ITEM OPTION* ACCESSORY† .028 or .035 in. (0.711 or 0.889 mm) Internally/Externally Enhanced Copper Tubing — Cooler/Condenser X .028 or .035 in. (0.711 or 0.889 mm) Internally/Externally Enhanced Cupronickel Tubing — Condenser X .028 or .035 in. (0.711 or 0.889 mm) Smooth Bore/Externally Enhanced Copper Tubing — Cooler/Condenser X .028 or .035 in. (0.711 or 0.889 mm) Smooth Bore/Externally Enhanced Cupronickel Tubing — Condenser X Flanged Cooler and/or Condenser Waterbox
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Dimensions 23XRV DIMENSIONS TUBE REMOVAL MOTOR SERVICE SPACE FOR CLEARANCE EITHER END 1’-10” (559 mm) SIZES 30-32, 40-42 50-52 FRAME R COMPRESSOR 3’-0” (915mm) 14’-3” (4343 mm) RECOMMENDED OVERHEAD SERVICE CLEARANCE SIZES 35-37, 45-47 55-57 14’-0” (4267 mm) a23-1646 C 2’ MIN (610 mm) B (WIDEST POINT) A 4’ MIN (1219 mm) SERVICE AREA 4’-10” MIN (1475 mm) 23XRV DIMENSIONS (NOZZLE-IN-HEAD WATERBOX) A (Length, with Nozzle-in-Head Waterbox) B (Width) C (Height) HEAT EXCHANGER 1 Pass 2-Pass* 3 Pass SIZ
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Performance data NOZZLE SIZE NOZZLE SIZE (in.) (Nominal Pipe Size) FRAME SIZE Cooler Condenser 1-Pass 2-Pass 3-Pass 1-Pass 2-Pass 3-Pass 3 10 8 610 8 6 4 10 8 610 8 6 5 10 8 61010 8 23XRV HEAT EXCHANGER MIN/MAX FLOW RATES* ENGLISH (GPM) COOLER 1 PASS 2 PASS 3 PASS CONDENSER 1 PASS 2 PASS 3 PASS Frame Size Min Max Min Max Min Max Frame Size Min Max Min Max Min Max 30 611 2,444 305 1222 204 815 30 646 2,582 323 1291 215 861 31 733 2,933 367 1466 244 978 31 791 3,162 395 1581 263 1054 32 855 3,422
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Electrical data VFD FRAME SIZES FRAME SIZE MAX INPUT CURRENT* MAX OUTPUT CURRENT* AA 440 442 BA 520 442 BB 520 520 CC 608 608 *Maximum limits only. Additional application limits apply that will reduce these ampacities. AUXILIARY RATINGS* MAXIMUM ITEM VOLTAGE PROTECTIVE DEVICE WATTS SIZE (AMPS) Controls, Oil Pump And Heater Circuit† 115 15 — Oil Pump 115 1.48 130 Oil Sump Heater 115 4.35 500 Oil Vaporizer Heater Circuit† 115 15 — Oil Vaporizer Heater 115 13 1500 *Factory
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Controls � High VFD inverter temperature*† Microprocessor controls � DC bus voltage (Low/High) Microprocessor controls provide the safety, interlock, ca- pacity control, indications and accessibility necessary to Capacity control operate the chiller in a safe and efficient manner. � Leaving chilled liquid control � Entering chilled liquid control Control system � Soft loading control by temperature or load ramping The microprocessor control on each Carrier chiller is � Hot gas bypass valve (opti
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Controls (cont) CONTROL PANEL DISPLAY (Front View) ICVC ENGLISH DISPLAY IN SI UNITS CONTROL PANEL DISPLAY (Front View) ICVC CHINESE DISPLAY IN METRIC UNITS 12
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a23-1649 13 CCN COMMUNICATION WIRING FOR MULTIPLE CHILLERS (TYPICAL) DRAIN WIRE GROUND DRAIN WIRE DRAIN WIRE DRAIN WIRE BLACK BLACK BLACK BLACK WHITE WHITE WHITE WHITE RED RED RED RED LEGEND NOTE: Field-supplied terminal strip must be located in control panel. CCM — Chiller Control Module Factory Wiring Field Wiring
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Controls (cont) Control sequence CONTROL SEQUENCE To start — Local start-up (manual start-up) is initiated by 0 0 pressing the LOCAL or CCN menu softkey, which is indi- cated on the default international chiller visual control MACHINE SAFETIES, EVAPORATOR PUMP (ICVC) screen. Time schedule 01 or 03, respectively, must be in the Occupied mode and the internal 15-minute start- CONDENSER WATER to-start and the 1-minute stop-to-start inhibit timers must PUMP have expired. All pre-start safeties are
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Typical piping and wiring 23XRV CHILLER MAIN COMPRESSOR MOTOR POWER 1 1 1 1 TO CHILLED LIQUID PUMP TO CONDENSER LIQUID PUMP 2 TO COOLING TOWER FAN 9 TO COOLING TOWER 9 3 3 FROM COOLING TO TOWER LOAD FROM LOAD DRAIN 5 4 LEGEND NOTES: 1. Wiring and piping shown are for general point-of-connection only and are not 1— Disconnect intended to show details for a specific installation. Certified field wiring and 2— Unit-Mounted VFD/Control Center dimensional diagrams are available on request. 3— Pressur
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Control wiring schematic 23XRV COMPONENT ARRANGEMENT LEGEND CCM — Chiller Control Module CCN — Carrier Comfort Network® ICVC — International Chiller Visual Controller GND — Ground 16
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Application data 23XRV MACHINE FOOTPRINT A D C C L VESSELS VESSELS COND. C L ACCESSORY SOLEPLATE B TYP. F 0’-3” [76.2mm] COOLER C L a23-1650 E X X* G 0’-01/2” Y* Y [13mm] TYP. *See detail on page 18. 23XRV DIMENSIONS (ft-in.) DIMENSIONS (mm) HEAT EXCHANGER A BCD E F G A B CD E F G SIZE 3 1 5 3 1 30-32 12-10 / 5-4 / 0 0-3 / 1-1 / 0-9 0- / 3931 1632 0 92 349 229 13 4 4 8 4 2 1 1 5 3 1 35-37 14- 7 / 5-4 / 0 0-3 / 1-1 / 0-9 0- / 4451 1632 0 92 349 229 13 4 4 8 4 2 3 1 5 3 1 40-42 12-10 / 6-0 0
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Application data (cont) 23XRV ISOLATION WITH ACCESSORY SOLEPLATE PACKAGE TYPICAL ISOLATION STANDARD ISOLATION ELASTOMERIC PAD VIEW Y-Y ISOLATION WITH ISOLATION PACKAGE ONLY (STANDARD) NOTE: Isolation package includes 4 elastomeric pads. a23-1647 ACCESSORY SOLEPLATE DETAIL VIEW X-X NOTES: 1. Dimensions in ( ) are in millimeters. 2. Accessory soleplate package includes 4 soleplates, 16 jacking screws and leveling pads. Requires isolation package. 3. Jacking screws to be removed after grout has se
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23XRV NOZZLE ARRANGEMENTS NOZZLE-IN-HEAD WATERBOXES DISCHARGE END SUCTION END FRAME 3 12 3 6 9 5 11 2 8 4 10 1 7 DISCHARGE END SUCTION END FRAMES 4 AND 5 NOZZLE ARRANGEMENT CODES FOR ALL 23XRV NOZZLE-IN-HEAD WATERBOXES COOLER WATERBOXES CONDENSER WATERBOXES PASS PASS Arrangement Arrangement In Out In Out Code* Code* 85A 11 2 P 1 1 5 8 B 211 Q 79 C 10 12 R 2 2 46 D 13 S 76 E 10 3 T 3 3 49 F 112 U *Refer to certified drawings. 19
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Application data (cont) 23XRV NOZZLE ARRANGEMENTS (cont) MARINE WATERBOXES DISCHARGE END SUCTION END FRAME 3 NOZZLE ARRANGEMENT CODES COOLER WATERBOXES CONDENSER WATERBOXES PASS PASS Arrangement Arrangement In Out In Out Code Code 85A —— — 1 1 5 8B——— 79 C 10 12 R 2 2 46 D 1 3 S 76 E —— — 3 3 49 F — — — DISCHARGE END SUCTION END FRAMES 4, AND 5 NOZZLE ARRANGEMENT CODES COOLER WATERBOXES CONDENSER WATERBOXES PASS PASS Arrangement Arrangement In Out In Out Code Code 96 A —— — 1 1 69 B — — — 79 C 1
