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17/19EX
50/60 Hz
Centrifugal Liquid Chillers
with HFC-134a
Installation Instructions
SAFETY CONSIDERATIONS
Centrifugal liquid chillers are designed to provide safe and DO NOT REUSE disposable (nonreturnable) cylinders or attempt to
reliableservicewhenoperatedwithindesignspecifications. refillthem.ItisDANGEROUSANDILLEGAL.Whencylinderisemp-
Whenoperatingthisequipment,usegoodjudgmentandsafety tied, evacuate remaining gas pressure, loosen the collar, and unscrew
precautions to avoid damage to equipmen
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CONTENTS INSTALLATION Receiving the Machine Page INSPECT SHIPMENT SAFETY CONSIDERATIONS...................1 INTRODUCTION..............................2 General......................................2 Donotopenanyvalvesorloosenanyconnections.The Job Data ....................................2 standard 17/19EX machine may be shipped with a ni- Equipment Required .........................2 trogenholdingchargeorwiththerefrigerantchargeiso- INSTALLATION .............................2-30 lated within th
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NIH — Nozzle-In-Head *Motors beginning with ‘‘E’’ and open drive motors (FA-JD) cannot be used with size 51-89 or 421-469 compressors. †Open-drive motor codes: ASME UNDERWRITERS’ ARI (Air Conditioning ‘U’STAMP LABORATORIES and Refrigeration Institute) PERFORMANCE CERTIFIED (60 Hz Only) Fig. 1 — Model Number Identification 3
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RIG MACHINE COMPONENTS — Refer to instructions on page 5, Fig. 6-8, and Carrier certified drawings for ma- chine component disassembly. Before rigging the compressor, disconnect the wires leadingfromthepowerpaneltothecontrolcenteratthe IMPORTANT: Onlyaqualifiedservicetechnicianshould power panel. disassemble and reassemble the machine. After reas- sembly,themachinemustbedehydratedandleaktested. NOTE: Wiringforsensorsmustbedisconnected.Labeleach wire before removal (see Carrier certified drawings).
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COMPONENT DISASSEMBLY 7. Disconnectwiringtothecontrolcenterandpowerpanel. To Separate Compressor from the Machine 8. Connect rigging to the compressor. 9. Unbolt compressor from the utility vessel (Fig. 7, 1. Make sure to check that the machine is at atmospheric Items 2, 4, and 5). pressure before disassembly. 10. Hoist the compressor off of the unit. 2. Since the center of gravity is high on 17EX machines, the motor MUST be removed before rigging the 11. If the compressor is to be transported o
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NOTES: 1.Each chain must be capable of supporting the maximum weight of the machine. 2. = the approximate center of gravity. 3.Maximum possible weight is 88,500 lb (40 166 kg) which includes a maxi- mum of 6,000 lb (2 721 kg) of HFC-134a refrigerant in the storage tank. 17EX FRONT VIEW LIFTING VESSEL MAXIMUM HEIGHT CENTER OF GRAVITY CHAIN LENGTH LENGTH WEIGHT FROM FLOOR APPROXIMATE LOCATION COOLER LIFTING ‘‘E’’ SIZE ANGLE ‘‘A’’ ‘‘B’’ ‘‘C’’ ‘‘D’’ ‘‘F’’ ‘‘G’’ ‘‘H’’ ft-in. mm lb kg ft-in. mm ft-in.
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NOTE: Item numbers are referenced in Rigging the Machine, Component Disassembly section. Fig.6—Typical Top View (19EX Shown) NOTE: Item numbers are referenced in Rigging the Machine, Component Disassembly section. Fig.7—Typical Side View (19EX Shown) 7
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NOTE: Item numbers are referenced in Rigging the Machine, Component Disassembly section. Fig.8—Typical Motor End View (19EX Shown) To Separate Cooler From Utility Vessel 2. All gasketed or O-ring joints which have been disas- sembledmustbeassembledusingnewgasketsandO-rings. 1. Remove condenser (see previous section). These new gaskets and O-rings (along with gasket seal- 2. Cut copper lines (Fig. 6, Items 6 and 8). ant,O-ringlubricant,andcopperlinecouplings)areavail- 3. Unbolt liquid refrigerant
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NOTES: 1. Certified drawings available upon request. 2. ServiceaccessshouldbeprovidedperAmericanSocietyofHeating,Refrigeration,andAirCon- ditioning Engineers (ASHRAE) 15, latest edition, National Fire ProtectionAssociation (NFPA) 70, and local safety codes. DIMENSIONS A (LENGTH)† B (WIDTH) C (HEIGHT) H (TUBE PULL) CONDENSER 17EX** 19EX SIZE ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm 1 31-33 15-6 4724 N/A N/A 8-10 2692 10-8 ⁄2 3264 12-10 3912 41-43 15-6 4724 N/A N/A 12-10 3912 12-2 3708 45-
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Table 1 — 17/19EX Heat Exchanger, Economizer/Storage Vessel, Piping, and Pumpout Unit Weights* COOLER ECONOMIZER/ COOLER ECONOMIZER MISCELLANEOUS PUMPOUT TOTAL STORAGE CHARGE REFRIGERANT PIPING UNIT COOLER WEIGHT VESSEL** SIZE† Dry Operating†† Refrigerant Water lb kg lb kg lb kg lb kg lb kg lb kg lb kg lb gal kg L 31 14,173 6 429 17,518 7 946 1,540 699 1,810 217 821 821 32 14,538 6 594 18,117 8 218 1,640 744 1,944 233 882 882 7,169 3252 610 277 820 372 33 14,904 6 760 18,722 8 492 1,740 789 2,07
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Table 3 — Additional Cooler Weights* DESIGN MAXIMUM ADDITIONAL ADDITIONAL COOLER WATERBOX NUMBER WATER PRESSURE DRY WEIGHT WATER WEIGHT FRAME TYPE OF PASSES psig kPa lb kg lb gal kg L NIH 1, 3 150 1034 655 297 — — — — NIH 1, 3 300 2068 2226 1010 — — — — NIH 2 300 2068 1406 638 — — — — 3 Marine 1, 3 150 1034 780 354 3192 383 1448 1448 Marine 2 150 1034 390 177 1596 191 724 724 Marine 1, 3 300 2068 3412 1548 3192 383 1448 1448 Marine 2 300 2068 1706 774 1596 191 724 724 NIH 1, 3 150 1034 515 234 —
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Table6—Total 19EX Motor Weights (60 Hz) Table7—Total 19EX Motor Weights (50 Hz) LOW VOLTAGE MEDIUM VOLTAGE HIGH VOLTAGE LOW VOLTAGE MEDIUM VOLTAGE HIGH VOLTAGE MOTOR SIZE MOTOR SIZE lb kg lb kg lb kg lb kg lb kg lb kg DB 1484 673 1420 644 NA NA DB 1662 754 1568 711 NA NA DC 1496 678 1478 670 NA NA DC 1677 760 1628 740 NA NA DD 1514 687 1503 682 2097 951 DD 1696 769 1662 754 2312 1049 DE 1620 728 1536 696 2152 976 DE 1710 776 1707 775 2332 1058 DF 1657 752 1635 742 2656 1205 DF 1792 813 1807 820
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Table 10A — 17EX Motors — Total Weight, Lbs (English) ENCLOSURE HERTZ VOLTAGE SIZE (HP) TYPE FA (1250) FB (1500) FC (1750) FD (2000) 2400 4836 5721 5900 7160 60 Hz 3300 4824 5832 5832 7127 Open-Drip Proof 4160 4836 5721 5900 7160 (ODP) 6900 5596 6577 8776 8990 3000 5518 5878 7148 9048 50 Hz 3300 5518 5878 7148 9073 6300 5596 6577 8875 8976 GA (1350) GB (1500) GC (1750) GD (2000) 2400 5046 5871 6050 7270 60 Hz 3300 5034 5982 5982 7237 Weather Protected 4160 5046 5871 6050 7270 Type I (WPI) 6900 5
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Table 11 — Marine Waterbox Cover Weights* DESIGN MAXIMUM WATER PRESSURE COOLER CONDENSER HEAT EXCHANGER SIZE psi kPa lb kg lb kg 150 1034 1667 756 1092 495 31-33 300 2068 2280 1034 1436 651 150 1034 2236 1015 1275 579 41-48 300 2068 3060 1389 1660 754 150 1034 — — 1643 746 51-57 300 2068 — — 2243 1018 *Heatexchangerswithmarinewaterboxeshaveheavierdryandoperatingweightsthanheatexchangerswithnozzle- in-head waterboxes. Table 12 — NIH Waterbox Cover Weights* DESIGN MAXIMUM WATER PRESSURE COOLER CON
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COOLER SIZES 31-33 AND 41-44 DIMENSIONS COOLER SIZES AB C ft-in. mm ft-in. mm ft-in. mm 1 31-33 8-8 ⁄2 2654 8-10 2692 4- 8 1422 1 1 41-44 9-3 2819 9- 4 ⁄2 2858 4-11 ⁄4 1505 COOLER SIZES 45-48 NOTES: 1. Dimensions in ( ) are in mm. 2. 1 inch = 25.4 mm. 1 3. All dimensions approximately ± ⁄2 inch. Fig. 10 — Machine Contact Surfaces 15
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SOLEPLATE ISOLATION TYPICAL ISOLATION ACCESSORY ISOLATION SOLEPLATE DETAIL SECTIONA-A NOTES: 1. Dimensions in ( ) are in millimeters. 2. Accessorysoleplatepackageincludes4soleplates,16jackingscrewsandlevelingpads.Requires isolation package. 3. Jacking screws to be removed after grout has set. 4. Thicknessofgroutwillvary,dependingontheamountnecessarytolevelchiller.Useonlypre-mixed 1 1 non-shrinking grout, Celcote HT-648 or Master Builders 636, 08-1 ⁄29 (38.1) to 08-2 ⁄49 (57) thick. STANDARD ISOL
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10 pipe diameters from the waterbox nozzle. For thor- Connect Piping ough mixing and temperature stabilization, wells in the INSTALLWATER PIPING TO HEAT EXCHANGERS — leaving water pipe should extend inside pipe at least Install piping using job data, piping drawings, and proce- 2 in. (50 mm). dure outlined below. A typical piping installation is shown 3. Installairventsatallhighpointsinpipingtoremoveair in Fig. 12. and prevent water hammer. 4. Installpipehangerswhereneeded.Makesurenoweight or st
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NOZZLE-IN-HEAD WATERBOXES COOLER WATERBOX Arr. Pass In Out Code 85 A 1 58 B 79 C 2 46 D 76 E 3 49 F CONDENSER WATERBOX Arr. Pass In Out Code 11 2 P 1 211 Q 10 12 R 2 13 S 10 3 T 3 112 U NOTES: 1. Frame 5 condenser available in 1 and 2 pass only. Frame 3 in 2 and 3 pass only. 2. The vents for these waterboxes, located in the covers are 1 in. FPT at the top of eachbox,andthedrainsare1in.FPT,at the bottom. 3. Victaulic connections are standard. 4. Flanged waterbox connections are optional. FRAME 3
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FRAME 4 MARINE WATERBOXES COOLER WATERBOX Arr. Pass In Out Code 85 A 1 58 B 79 C 2 46 D 16 17 G 76 E 3 49 F CONDENSER WATERBOX Arr. Pass In Out Code 11 2 P 1 211 Q 10 12 R 2 13 S 13 15 Y 10 3 T 3 112 U NOTES: 1. The vents for these waterboxes are 1 in. FPT at the top of each box. The drains are 1 in. FPT, at the bottom. 2. Victaulic connections are standard. 3. Flanged connections are optional. Fig. 13 — Nozzle Arrangements (cont) City water must be clean and noncorrosive. Water side erosion or
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Fig. 16 — Typical 17/19EX Utility Vessel Relief Valve Tee Fig. 15 — Water Piping, Oil Cooler to Chilled Water Circuit (Typical) Do not run 120-v wiring into the control center. The control center should only be used for additional extra INSTALL VENT PIPING TO RELIEF DEVICES — The low-voltage wiring (50 v maximum). 17/19EX chiller is factory equipped with relief devices on the cooler and utility vessels. Refer to Fig. 2 and 3, and Wiring diagrams in this publication (Fig. 17-23) are for Table 13
