Carrier HFC-134a- Manuals

5 23XRV COMPRESSOR AND MOTOR WEIGHTS COMPONENT WEIGHTS LEGEND 23XRV HEAT EXCHANGER WEIGHTS COND — Condenser *Rigging weights are for standard tubes of standard wall thickness (EDE and S pikefin 3, 0.025-in. [0.635 mm] wall). NOTE S : 1. Cooler includes the suction elbow and 1 / 2 the distribution pi...

7 *Factory-installed.†Field-installed.** S tandard waterbox nozzles are victaulic type. Flanged nozzles are available as an option with either nozzle-in-head type waterboxes ormarine waterboxes. ††Optional marine waterboxes available for 23XRV heat exchangerframes 3-5 only. S tandard waterboxes for ...

8 23XRV DIMENSIONS (NOZZLE-IN-HEAD WATERBOX) 23XRV DIMENSIONS (MARINE WATERBOX) *Assumes both cooler and condenser nozzles on same end of chiller. †1 or 3 pass length applies if cooler is a 1 or 3 pass design.NOTE S : 1. S ervice access should be provided per American S ociety of Heat- ing, Refriger...

9 NOZZLE SIZE 23XRV HEAT EXCHANGER MIN/MAX FLOW RATES* ENGLISH (GPM) *Flow rates based on standard tubes in the cooler and condenser. Minimum flow based on tube velocity of 3 ft/sec (0.91 m/sec); maximum flow based on tube velocity of 12 ft/sec (3.66 m/sec). Consult the factory if variable primary f...

10 VFD FRAME SIZES *Maximum limits only. Additional application limits apply that will reduce these ampacities. AUXILIARY RATINGS* *Factory wired to VFD.†Minimum circuit ampacity of 15 amps. FRAME SIZE MAX INPUT CURRENT * MAX OUTPUT CURRENT * AA 440 442 BA 520 442 BB 520 520 CC 60 8 60 8 ITEM VOLTAG...

11 Microprocessor controls Microprocessor controls provide the safety, interlock, ca-pacity control, indications and accessibility necessary tooperate the chiller in a safe and efficient manner. Control system The microprocessor control on each Carrier chiller isfactory-mounted, factory-wired, and f...

13 BLACK WHITE RED BLACK WHITE RED DRAIN WIRE DRAIN WIRE BLACK WHITE RED BLACK WHITE RED DRAIN WIRE GROUND DRAIN WIRE N O TE: F ield-supplied ter m inal str ip m u st be located in control panel. LEGEND CC M — Chiller C ontrol Module F a ctor y Wir ing Field Wir ing CCN CO MMUNIC A T ION WIRIN G FOR...

14 Control sequence To start — Local start-up (manual start-up) is initiated by pressing the LOCAL or CCN menu softkey, which is indi-cated on the default international chiller visual control(ICVC) screen. Time schedule 01 or 03, respectively, mustbe in the Occupied mode and the internal 15-minute s...

15 Typical piping and wiring 1 1 1 6 7 8 TO CHILLED LIQUID PUMP TO CONDEN S ER LIQUID PUMP TO COOLING TOWER FAN 2 1 MAIN COMPRE SS OR MOTOR POWER FROMCOOLINGTOWER FROMLOAD TOCOOLINGTOWER TOLOAD 3 3 9 9 DRAIN 5 4 LEGEND 1 — Disconnect 2 — Unit-Mounted VFD/Control Center 3 — Pressure Gages 4 — Chilled...

16 Control wiring schematic 23XRV COMPONENT ARRANGEMENT LEGEND CCM — Chiller Control Module CCN — Carrier Comfort Network® ICVC — International Chiller Visual Controller GND — Ground

17 Application data F E Y Y * B G A VESSELS TYP.0 ’ - 3 ” [76.2mm] ACCESSORYSOLEPLATE 0 ’ -01/2” [1 3 mm] TYP. X X * VESSELS COND. COOLER CL CL CL C D 23XRV MACHINE FOOTPRINT * S ee detail on page 1 8 . 23XRV HEAT EXCHANGER SIZE DIMENSIONS (ft-in.) DIMENSIONS (mm) A B C D E F G A B C D E F G 30-32 1...

18 Application data (cont) ELASTOMERIC PAD 23XRV ISOLATION WITH ACCESSORY SOLEPLATE PACKAGE TYPICAL ISOLATION STANDARD ISOLATION ACCESSORY SOLEPLATE DETAIL VIEW X-X NOTE S : 1. Dimensions in ( ) are in millimeters.2. Accessory soleplate package includes 4 soleplates, 16 jacking screws and leveling p...

19 12 11 10 9 8 7 6 5 4 3 2 1 23XRV NOZZLE ARRANGEMENTS NOZZLE-IN-HEAD WATERBOXES FRAME 3 FRAMES 4 AND 5 NOZZLE ARRANGEMENT CODES FOR ALL 23XRV NOZZLE-IN-HEAD WATERBOXES *Refer to certified drawings. PASS COOLER WATERBOXES In Out Arrangement Code * 1 8 5 A 5 8 B 2 7 9 C 4 6 D 3 7 6 E 4 9 F PASS COND...

21 23XRV WATERBOX NOZZLE SIZES (Nozzle-In-Head and Marine Waterboxes RELIEF VALVE LOCATIONS * Coolers without optional isolation require 2 relief valves. NOTE: All valves relieve at 1 8 5 psig (1275 kPa). FRAME SIZE PRESSURE psig (kPa) PASS NOMINAL PIPE SIZE (in.) ACTUAL PIPE ID (in.) Cooler Condens...

22 Vent and drain connections Nozzle-in-head waterboxes have vent and drain connec-tions on covers. Marine waterboxes have vent and drainconnections on waterbox shells. Provide high points of the chiller piping system with vents and the low points with drains. If shutoff valves are provid-ed in the ...

23 Insulation 23XRV MINIMUM FIELD-INSTALLED INSULATION REQUIREMENTS Factory insulation — Thermal insulation is factory- provided to the following areas:• Cooler (not including waterbox)• Suction line• Compressor and motor• Oil cooling line and oil return system line (oil and refrig- erant lines at o...

24 Variable Speed Screw Chiller HVAC Guide Specifications Size Range: 300 to 550 Tons (1055 to 1934 kW) Nominal Carrier Model Number: 23XRV Part 1 — General 1.01 SYSTEM DESCRIPTION A. Microprocessor-controlled liquid chiller shall use a semi-hermetic screw compressor using refrigerantHFC-134a only. ...

25 D. Unit shall be shipped with firmly attached labels that indicate name of manufacturer, chiller model num-ber, chiller serial number, and refrigerant used. E. If the unit is to be exported, the manufacturer shall provide sufficient protection against sea water corro-sion, making the unit suitabl...

5 7 6 4 2 1 3 5 8 9 19 18 17 16 15 14 11 10 12 1 3 20 Fig. 4 — Typical 23XRV Installation (Sensor Locations) 1 — Condenser Pressure 2 — Evaporator Pressure 3 — Compressor Discharge Temperature 4 — Compressor Discharge Pressure 5 — Compressor Discharge High Pressure Switch 6 — Compressor Motor Windin...

7 CHAIN “B”( S EE NOTE #2) CHAIN “C”( S EE NOTE #2) CHAIN “D”( S EE NOTE #2) 15´-0´´ MIN. HEIGHTABOVE FLOOR “E” “F” “A” Fig. 7 — Machine Electrical Data Nameplate *The 11th character of the chiller model number indicates the frame size of the compressor. HEAT EXHANGER CODE COMPRESSOR FRAME SIZE * MA...

8 Table 1 — Drive Assembly and Power Module Ratings *110% output current capability for one minute, 150% output current for 5 seconds. Table 2 — 23XRV Dimensions (Nozzle-In-Head Waterbox) *Assumes both cooler and condenser nozzles on same end of chiller. †1 or 3 pass length applies if either (or bot...

9 Table 3 — 23XRV Dimensions (Marine Waterbox) *Assumes both cooler and condenser nozzles on same end of chiller. †1 or 3 pass length applies if cooler is a 1 or 3 pass design.NOTES: 1. Service access should be provided per American Society of Heating, Refrigeration, and Air Conditioning Engineers (...

10 Table 7 — 23XRV Heat Exchanger Data *Rigging weights are for standard tubes of standard wall thickness (Turbo-B3 and Spikefin 2, 0.025-in. [0.635 mm] wall). NOTES: 1. Cooler includes the suction elbow and 1 / 2 the distribution piping weight. 2. Condenser includes float valve and sump, discharge ...

11 Table 8B — 23XRV Additional Data for Condenser Marine Waterboxes * *Add to heat exchanger data for total weights or volumes. NOTES: 1. Weight adder shown is the same for cooler and condenser of equal frame size.2. For the total weight of a vessel with a marine waterbox, add these values to the he...

13 Separate Machine Components — The design of the 23XRV allows for disassembly at the job site so that individual components may be moved through existing door- ways. Use the following procedures to separate the machine components. Suggested locations to cut piping will minimize the width of the co...

14 9. Cut the vaporizer refrigerant return line as shown. 10. Disconnect all sensors with cables that cross from the condenser side of the machine to the cooler side including: a. Evaporator refrigerant liquid temperature sensor. See Fig. 13. b. Entering and leaving chiller liquid temperature sensor...

15 3. Remove the nuts that secure the terminal box transition piece to the motor housing. 4. Disconnect the motor leads from the motor terminals (Fig. 17). Note the position of the motor terminal cable lugs so they can be reinstalled with sufficient clearance away from surrounding structure. 5. Remo...

16 Lifting the Control Center — Care should be used to prevent damage due to dropping or jolting when moving the control center. A fork truck or similar means of lifting and transporting may be used. Sling in a manner that will equalize the load at the pickup points. Use a spreader bar if the angle ...

17 SEPARATE THE COMPRESSOR FROM THE CONDENSER The VFD blocks access to the compressor mounting bolts. It must be removed before the compressor can be separated from the condenser. See instructions to remove the VFD from the condenser. Refer to Table 10. Do not rig the condenser before the control ce...

18 Table 10 — Compressor Fastener Identification 1. Disconnect the oil supply line in two places (Fig. 23). Cap the oil lines and fittings. NOTE: Compressor oil lines and fittings between the oil filter and compressor must be kept extremely clean to prevent obstruction of the compressor inlet bearin...

19 SEPARATE THE VAPORIZER FROM THE CON- DENSER — The VFD mounting brackets (Fig. 24) extend beyond the outboard edge of the vaporizer. The vaporizer extends beyond the perimeter of the condenser tubesheet. 1. Cut the vaporizer hot gas supply line near the oil concen- trator (Fig. 24). 2. Cut the vap...

20 OIL SUPPLYLINE VAPORIZER OIL PUMP OIL FILTER VAPORIZER HOTGAS RETURNLINE OIL RECLAIMLINE OIL SUMP OIL PRESSUREREGULATOR ISOLATIONVALVE OIL PRESSUREREGULATOR VALVE VAPORIZER HOTGAS SUPPLY LINE VAPORIZER VENT LINE BEARING OILDRAIN LINE Fig. 25 — Oil Reclaim Piping a23-1574 OIL S UMP PRE SS URE S EN...

21 MOTOR LEAD S CONTROL CENTER TERMINAL ENCLO S URE FRAME THERMAL IN S ULATOR IN S ULATION FRAMEA SS EMBLY TERMINALBOX FRAME COMPRE SS OR FOAM IN S ULATION TERMINAL BOX MOUNTING S TUD - DO NOT EXCEED 120 FT-LB TORQUE T1 T2 T 3 TERMINALENCLO S URE FRAME MOTORTEMPERATURE S EN S OR TERMINAL BLOCK PROTE...

22 Insulate Motor Terminals and Lead Wire Ends — Locate heat shrink tubing (RCD P/N LF33MM114) over power connections so that they are completely covered and tubing is against motor housing. Shrink into position. Slide foam tubing (3 in. inner diameter closed cell vinyl, neoprene, or nitrile foam) p...

23 INSTALL ACCESSORY ISOLATION (if required) — Un- even floors or other considerations may dictate the use of accessory soleplates (supplied by Carrier for field installation) and leveling pads. Refer to Fig. 33. Level machine by using jacking screws in isolation sole- plates. Use a level at least 2...

24 5. Remove jacking screws from leveling pads after grout has hardened. INSTALL SPRING ISOLATION Spring isolation may be purchased as an accessory from Carrier for field installation. It may also be field supplied and installed. Spring isolators may be placed directly under machine support plates o...

25 12 11 10 9 8 7 DI S CHARGE END S UCTION END 6 5 4 3 2 1 CONDEN S ER CONDEN S ER COOLER COOLER NOZZLE-IN HEAD WATERBOXES FRAME 3 FRAMES 4 AND 5 NOZZLE ARRANGEMENT CODES FOR ALL 23XRV NOZZLE-IN-HEAD WATERBOXES Fig. 36 — Piping Flow Data (NIH, Frames 3 Through 5) *Refer to certified drawings. PASS C...

26 NOZZLE ARRANGEMENT CODES PASS COOLER WATERBOXES CONDENSER WATERBOXES In Out Arrangement Code In Out Arrangement Code 1 8 5 A — — — 5 8 B — — — 2 7 9 C 10 12 R 4 6 D 1 3 S 3 7 6 E — — — 4 9 F — — — Fig. 17 — Piping Flow Data (MWB, Frames 2 and 3) MARINE WATERBOXES FRAMES 4 AND 5 NOZZLE ARRANGEMENT...

27 LEVEL GAGE 0' - 5 1/2" [140mm] PRE SS URE GAGE 3 /8" MALE FLARE RELIEF VALVE CONN. 1/2" DIA. K.O. ELECTRICAL CONN. (PUMPOUT POWER) 1' - 7 " [48 3 mm] 0' - 5 7/8 " [149mm] (2) 1" NPT RELIEF VALVE OUTLET ( S EE FIELD IN S TALLATION NOTE S ) 0' - 9 " [229mm] TYPICAL B T R...

28 RATED DRY WEIGHT AND REFRIGERANT CAPACITY ENGLISH (lb) SI (kg) TANK SIZE TANK OD (in.) DRY WEIGHT * (lb) R-134a MAXIMUM REFRIGERANT CAPACITY (lb) ANSI/ASHRAE 15 UL 1963 0428 24.00 2334 1 8 60 1716 0452 27.25 3414 3563 32 8 6 TANK SIZE TANK OD (mm) DRY WEIGHT * (kg) R-134a MAXIMUM REFRIGERANT CAPA...

29 COOLER CONTROL CENTER COOLER REFRIGERANTPUMPOUT VALVE COOLER CHARGINGVALVE U S E CONDEN S ER CHARGINGVALVE TO ADDCHARGE DI S CHARGE I S OLATION VALVE (OPTIONAL) S TORAGE TANK LIQUIDVALVE OIL S EPARATOR PUMPOUTCONDEN S ER WATER S UPPLY AND RETURN PUMPOUTCONDEN S ER S TORAGE TANK VAPOR VALVE 2 3 4 ...

30 INSTALL VENT PIPING TO RELIEF VALVES — The 23XRV chiller is factory equipped with relief valves on the cooler and condenser shells. Refer to Fig. 43 and Table 11 for size and location of relief devices. Vent relief devices to the outdoors in accordance with ANSI/ASHRAE 15 (latest edition) Safety ...

31 Table 11 — Relief Valve Locations NOTE: All valves relieve at 1 8 5 psi (1275 kPa). These instructions are intended for qualified electrical per- sonnel familiar with servicing and installing AC drives. Any questions or problems with the products described in this man- ual should be directed to y...

32 Fig. 44 — Typical Field Wiring Schematic a23-15 8 5

35 NOTES FOR FIG. 44 GENERAL 1.0 Variable frequency drive (VFD) shall be designed andmanufactured in accordance with Carrier engineeringrequirements. 1.1 All field-supplied conductors, devices and the field-installation wiring, termination of conductors and devices,must be in compliance with all app...

40 DPI Communications Interface Board Status LEDs Fig. 47 — Control Terminal Blocks Fig. 48 — Communications Interface Board Status Lights a23-1590 a23-1591 a23-1592

43 COMPLETING THE INSTALLATION This section provides instructions on how to perform a final check of the installation. Do not energize the VFD circuit breaker. This should only be done by qualified Carrier person- nel in accordance with the 23XRV Start-Up and Service Manual. Checking the Installatio...

44 When connecting the CCN communication bus to a system element, a color code system for the entire network is recom- mended to simplify installation and checkout. See Table 14 for the recommended color codes: Table 14 — Insulator Codes If a cable with a different color scheme is selected, a simila...

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 532-309 Printed in U.S.A. Form 23XRV-1SI Pg CL-1 309 6-06 Replaces: New Book 2 Tab 5e INSTALLATION START-UP REQUEST CHECKLIST Machine Model N...