Carrier HERMETIC CENTRIFUGAL LIQUID CHILLERS 19XR manuale d’uso

Installation Instructions SAFETY CONSIDERA TIONS Centrifugal liquid chillers are designed to provide safe and reliable service when operated within design speci- fications. When operating this equipment, use good judg- ment and safety precautions to avoid damage to equip- ment and property or injury to personnel. Be sure you understand and follow [...]

CONTENTS Page SAFETY CONSIDERA TIONS ..................1 INTRODUCTION .............................2 General .....................................2 Job Data ....................................2 INST ALLA TION ............................. 2-35 Receiving the Machine .......................2 • INSPECT SHIPMENT • IDENTIFY MACHINE • PROVIDE MACH[...]

Fig. 1 — Model Number Identification 3[...]

1— Oil Level Sight Glass 2— Diffuser Actuator (Hidden/19XR5 Only) 3— Discharge Isolation V alve 4— Condenser Pumpout Connection 5— Condenser Safety Relief V alves 6— Three-W ay Condenser Relief V alve 7— Hot Gas Bypass Line 8— Condenser W aterbox Nozzles 9— Cooler W aterbox Nozzles 1 0— Cooler Safety Relief V alves 11 — Cooler[...]

MACHINE RIGGING GUIDE NOTES: 1. Each cable must be capable of supporting the entire weight of the machine. See chart for maximum weights. 2. Chain lengths shown are typical for 15 8 lifting height. Some minor adjustments may be required. COMPRESSOR FRAME SIZE* COOLER SIZE MAXIMUM WEIGHT (lb) VESSEL LENGTH DIM. ‘ ‘A ’’ CHAIN LENGTH DIM. ‘?[...]

COMPRESSOR FRAME SIZE* COOLER SIZE MAXIMUM WEIGHT (lb) VESSEL LENGTH DIM. ‘ ‘A ’’ DIM. ‘ ‘B’ ’ DIM. ‘‘C’ ’ CHAIN LENGTH ‘ ‘D’ ’ ‘ ‘E’ ’ ‘ ‘F’ ’ 4 70-72 40,410 14 8 6 8 -6 9 3 8 -4 9 3 8 -5 9 11 8 -6 9 12 8 -5 9 12 8 -9 9 75-77 44,210 16 8 7 8 -5 9 3 8 -5 9 3 8 -5 9 12 8 -0 9 13 8 -3 9 13 8 -6 9 5 70-7[...]

T able 1 — 19XR Dimensions (Nozzle-In-Head W aterbox) HEA T EXCHANGER SIZE A (Length, with Nozzle-in-Head Waterbox) B (Width) C (Height) 2-Pass* 1 or 3 Pass† ft-in. mm ft-in. mm ft-in. mm ft-in. mm 10 to 12 11 - 3 7 ⁄ 8 3451 1 1-10 3 ⁄ 4 3626 4-1 1 3 ⁄ 4 1518 6- 1 1 ⁄ 4 1861 15 to 17 13- 7 3 ⁄ 8 4150 14- 2 1 ⁄ 4 4324 4-1 1 3 ⁄ 4 1[...]

T able 2 — 19XR Dimensions (Marine W aterbox) HEA T EXCHANGER SIZE A (Length, Marine Waterbox — not shown) 2-Pass* 1 or 3 Pass† ft-in. mm ft-in. mm 10 to 12 NA NA NA NA 15 to 17 NA NA NA NA 20 to 22 12- 6 5 ⁄ 8 3826 14- 3 4343 30 to 32 14- 9 4496 16- 4 3 ⁄ 4 4997 35 to 37 16- 5 1 ⁄ 2 5017 18- 1 1 ⁄ 4 5518 40 to 42 15- 0 1 ⁄ 4 4591 1[...]

T able 4 — 19XR Compressor Weights MOTOR CODE ENGLISH SI T otal Compressor Weight* (lb) T otal Compressor Weight* (kg) 60 Hz 50 Hz 60 Hz 50 Hz BD 3,755 3,755 1703 1703 BE 3,805 3,805 1726 1726 BF 3,870 3,870 1755 1755 BG 3,950 3,950 1792 1792 BH 3,950 3,950 1792 1792 CD 4,659 4,756 2134 2153 CE 4,685 4,771 2155 2165 CL 4,710 4,842 2137 2167 CM 4,[...]

T able 6 — 19XR Heat Exchanger Data CODE ENGLISH SI Dry Rigging Weight (lb) Machine Charge Dry Rigging Weight (kg) Machine Charge Cooler Only Condenser Only Refrigerant Weight W ater V olume (gal) Cooler Only Condenser Only Refrigerant Weight W ater V olume Cooler Condenser Cooler Condenser Cooler Condenser Cooler Condenser 10 2,742 2,704 290 200[...]

T able 7 — 19XR Additional Data for Marine Waterboxes* HEA T EXCHANGER FRAME, P ASS ENGLISH SI Psig Rigging Weight (lb) W ater V olume (gal) kPa Rigging Weight (kg) W ater V olume (L) FRAME 2, 1 AND 2 P ASS 150 730 84 1034 331 318 FRAME 2, 2 P ASS 150 365 42 1034 166 159 FRAME 3, 1 AND 2 P ASS 150 730 84 1034 331 317 FRAME 3, 2 P ASS 150 365 42 1[...]

T able 8A — 19XR Waterbox Cover W eights ENGLISH (lb) HEA T EXCHANGER W A TERBOX DESCRIPTION FRAME 1 FRAME 2 FRAME 3 Standard Nozzles Flanged Standard Nozzles Flanged Standard Nozzles Flanged COOLER/ CONDENSER NIH, 1 Pass Cover , 150 psig 177 204 320 350 320 350 NIH, 2 Pass Cover , 150 psig 185 218 320 350 320 350 NIH, 3 Pass Cover , 150 psig 180[...]

T able 8B — 19XR W aterbox Cover Weights SI (kg) HEA T EXCHANGER W A TERBOX DESCRIPTION FRAME 1 FRAME 2 FRAME 3 Standard Nozzles Flanged Standard Nozzles Flanged Standard Nozzles Flanged COOLER/ CONDENSER NIH, 1 Pass Cover , 150 psig 80 93 145 159 145 159 NIH, 2 Pass Cover , 150 psig 84 99 145 159 145 159 NIH, 3 Pass Cover , 150 psig 82 89 136 15[...]

3. Disconnect the compressor dischar ge elbow at the com- pressor (Fig. 7, Item 3). 4. Cut the hot gas bypass line at the location shown (Fig. 6, Item 1). 5. Unbolt the cooler liquid feed line at the location shown (Fig. 6, Item 10). 6. Cover all openings. 7. Disconnect all wires and cables that cross from the cooler side of the machine to the cond[...]

1— Guide V ane Actuator Cable 2— Power Panel to Starter Cables (Oil Pump Power , Control Power , and Communication) Fig. 7 — 19XR Chiller T op View 3— Compressor Discharge Elbow Joints 4— Condenser T ransducer Cable 1— Motor T emperature Sensor Cable 2— Bearing T emperature Sensor Cable Connection (Inside Box) 3— Compressor Oil Sump[...]

1— Guide V ane Actuator 2— Diffuser Actuator 3— W ater T emperature Sensor Cables Fig. 9 — Chiller End View 16[...]

T o Rig Compressor NOTE: The motor end of the 19XR compressor is heavy and will tip backwards unless these directions are followed: 1. Cut two 4 in. × 6 in. wooden beams to the same length as the compressor . 2. Drill holes into the beams and bolt them to the base of the compressor . Additional Notes 1. Use silicon grease on new O-rings when refi[...]

INST ALL SPRING ISOLA TION — Spring isolation may be purchased as an accessory from Carrier for field instal- lation. It may also be field supplied and installed. Spring iso- lators may be placed directly under machine support plates or located under machine soleplates. See Fig. 13. Consult job data for specific arrangement. Low profile sprin[...]

Connect Piping INST ALL W A TER PIPING T O HEA T EXCHANGERS — Install piping using job data, piping drawings, and proce- dures outlined below . A typical piping installation is shown in Fig. 14. Factory-supplied insulation is not flammable but can be damaged by welding sparks and open flame. Protect in- sulation with a wet canvas cover. Remove [...]

NOZZLE-IN HEAD W A TERBOXES FRAMES 1, 2, AND 3 FRAMES 4, 5, AND 6 NOZZLE ARRANGEMENT CODES FOR ALL 19XR NOZZLE-IN-HEAD W A TERBOXES P ASS COOLER WA TERBOXES In Out Arrangement Code* 1 85 A 58 B 2 79 C 46 D 3 76 E 49 F *Refer to certified drawings. P ASS CONDENSER W A TERBOXES In Out Arrangement Code* 1 11 2 P 21 1 Q 2 10 12 R 13 S 3 10 3 T 11 2 U [...]

NOZZLE-IN-HEAD W A TERBOXES FRAMES 7 AND 8 NOZZLE ARRANGEMENT CODES FOR ALL 19XR NOZZLE-IN-HEAD W A TERBOXES P ASS COOLER WA TERBOXES In Out Arrangement Code* 1 85 A 58 B 2 79 C 46 D 3 76 E 49 F *Refer to certified drawings. P ASS CONDENSER WA TERBOXES In Out Arrangement Code* 1 11 2 P 21 1 Q 2 10 12 R 13 S 3 10 3 T 11 2 U Fig. 16 — Piping Flow [...]

MARINE W A TERBOXES FRAMES 2 AND 3* *There is no Frame 1 marine waterbox. NOZZLE ARRANGEMENT CODES P ASS COOLER WA TERBOXES CONDENSER W A TERBOXES In Out Arrangement Code In Out Arrangement Code 1 85 A — — — 58 B — — — 2 79 C 1 0 1 2 R 46 D 1 3 S 3 76 E — — — 49 F — — — Fig. 17 — Piping Flow Data (MWB, Frames 2 and 3) 22[...]

MARINE W A TERBOXES (cont) FRAMES 4, 5, AND 6 NOZZLE ARRANGEMENT CODES P ASS COOLER WA TERBOXES CONDENSER W A TERBOXES In Out Arrangement Code In Out Arrangement Code 1 96 A — — — 69 B — — — 2 79 C 1 0 1 2 R 46 D 1 3 S 3 76 E — — — 49 F — — — FRAMES 7 AND 8 NOZZLE ARRANGEMENT CODES P ASS COOLER WA TERBOXES CONDENSER W A TERB[...]

T able 9 — 19XR W aterbox Nozzle Sizes FRAME SIZE PRESSURE psig (kPa) P ASS NOMINAL PIPE SIZE (in.) ACTUAL PIPE ID (in.) Cooler Condenser Cooler Condenser 1 150/300 (1034/2068) 1 8 8 7.981 7.981 2 6 6 6.065 6.065 3 6 6 6.065 6.065 2 150/300 (1034/2068) 1 10 10 10.020 10.020 2 8 8 7.981 7.981 3 6 6 6.065 6.065 3 150/300 (1034/2068) 1 10 10 10.020 [...]

DIMENSIONS ENGLISH (ft-in.) T ANK SIZE AB C D E F G H J K L M N P R S T 0428 10- 5 9-10 4-9 2-4 3 ⁄ 4 1-2 3 ⁄ 8 3-1 3 ⁄ 16 4-1 1 3-8 1 ⁄ 8 3- 8 2-9 7 ⁄ 16 3-2 0-3 1 ⁄ 2 4-8 3 ⁄ 4 1-7 7 ⁄ 8 1-7 5 ⁄ 16 3-7 3 ⁄ 4 5-0 1 ⁄ 4 0452 14-1 1 1 ⁄ 4 14- 4 1 ⁄ 2 5-0 7 ⁄ 8 2-8 1 ⁄ 2 1-4 1 ⁄ 4 3-4 7 ⁄ 16 7- 2 1 ⁄ 4 4-0 3-1 1 7 [...]

RA TED DRY WEIGHT AND REFRIGERANT CAP ACITY ENGLISH (lb) T ANK SIZE T ANK OD (in.) DR Y WEIGHT* (lb) MAXIMUM REFRIGERANT CAP ACITY (lb) ANSI/ASHRAE 15 UL 1963 0428 24.00 2380 1860 1716 0452 27.25 3460 3563 3286 SI (kg) T ANK SIZE T ANK OD (mm) DR Y WEIGHT* (kg) MAXIMUM REFRIGERANT CAP ACITY (kg) ANSI/ASHRAE 15 UL 1963 0428 610 1080 844 778 0452 592[...]

Fig. 20 — Optional Pumpout System Piping Schematic with Storage T ank Fig. 21 — Optional Pumpout System Piping Schematic without Storage T ank 27[...]

INST ALL VENT PIPING TO RELIEF V AL VES — The 19XR chiller is factory equipped with relief devices on the cooler and condenser shells. Refer to Fig. 23 and T able 10 for size and location of relief devices. V ent relief devices to the outdoors in accordance with ANSI/ASHRAE 15 (latest edition) Safety Code for Mechanical Refrigeration and all othe[...]

Fig. 24 — Carrier Comfort Network Communication Bus Wiring LEGEND Factory Wiring Field Wiring *Field supplied terminal strip must be located in control panel. Fig. 25 — COMM1 CCN Communication Wiring For Multiple Chillers (T ypical) 29[...]

CONNECT CONTROL OUTPUTS — Connect auxiliary equipment, chilled and condenser water pumps, and spare alarms as required and indicated on job wiring drawings. CONNECT ST AR TER — The 19XR is available with either a unit-mounted, factory-installed starter or a free-standing, field-installed starter (Fig. 28 and 29). Unit Mounted, Factory-Installe[...]

Free-Standing, Field-Installed Starter — Assemble and in- stall compressor terminal box in desired orientation, and cut necessary conduit openings in conduit support plates. See Fig. 27 and 29. Attach power leads to compressor terminals in accordance with job wiring drawings, observing caution label in terminal box. Use only copper conductors. Th[...]

IMPORT ANT : Wiring shown is typical and not intended to show detail for a specific installation. Refer to certified field wiring diagrams. NOTES: I. GENERAL 1.0 Starters shall be designed and manufactured in accordance with Carrier Engineering Requirement Z-375. 1.1 All field-supplied conductors, devices, field-installation wiring, and ter- m[...]

LEGEND NOTES: I. GENERAL 1.0 Starters shall be designed and manufactured in accordance with Carrier Engineering Requirement Z-375. 1.1 All field-supplied conductors, devices, field-installation wiring, and ter- mination of conductors and devices must be in compliance with all ap- plicable codes and job specifications. 1.2 The routing of field-i[...]

Connect Power W ir es to Oil Heater Contactor — Connect control power wiring between the oil heater contactor ter- minals and terminals LL1 and LL2 on the field wiring strip in the compressor motor starter . Refer to Fig. 31 and wiring label on the machine power panel. Voltage to terminals LL1 and LL2 comes from a con- trol transformer in a star[...]

Install Field Insulation Protect insulation from weld heat damage and weld splatter. Cover with wet canvas cover during water piping installation. When installing insulation at the jobsite, insulate the fol- lowing components: • compressor motor • cooler shell • cooler tube sheets • suction piping • motor cooling drain • oil reclaim pip[...]

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Copyright 1997 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 2 Ta b 5 a PC 21 1 Catalog No. 531-940 Printed in U.S.A. Form 19XR-2SI Pg 38 10-97 Replaces: 19XR-1SI[...]

INST ALLA TION ST ART -UP REQUEST CHECKLIST Machine Model Number: 19XR Serial Number: To : Attn: Date Project Name Carrier Job Number The following information provides the status of the chiller installation. YES/NO (N/A) DA TE TO BE COMPLETED 1. The machine is level. 2. The machine components are installed and connected in accordance with the inst[...]

TESTING YES/NO DA TE TO BE COMPLETED 1. The cooling tower fan has been checked for blade pitch and proper operation. 2. The chilled water and condenser water lines have been: a. Filled b. T ested c. Flushed d. V ented e. Strainers cleaned 3. The chilled water and condenser water pumps have been checked for proper rotation and flow . 4. The followi[...]