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Carrier 30HXA manual

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Table of contents for the manual

  • Page 1

    Installation Instructions CONTENTS Page SAFETY CONSIDERA TIONS ...................1 INTRODUCTION ..............................1 INST ALLA TION ............................. 1-27 Step 1 — Inspect Shipment ...................1 Step 2 — Rig and Place Unit ..................1 Step 3 — Piping Connections .................9 • COOLER FLUID, VENT [...]

  • Page 2

    DIMENSIONS — in. (mm) UNIT 30HXC A B C D E F GHJK L M NP 076 102.12 (2594) 45.87 (1 165) 45.87 (1 165) 9.87 (251) 9.36 (236) 43.50 (1 105) 15.60 (396) 85.15 (2163) 4.00 (102) 95.00 (2413) 65.22 (1657) 1.90 (48) 47.00 (1 194) 30.80 (782) 086 102.12 (2594) 45.87 (1 165) 45.87 (1 165) 9.87 (251) 9.36 (236) 43.50 (1 105) 15.60 (396) 85.15 (2163) 4.00[...]

  • Page 3

    DIMENSIONS — in. (mm) UNIT 30HXC AB C D E 161 72.12 (1832) 50.63 (1286) 2.00 (51) 63.50 (1588) 31.00 (787) 171 61.37 (1559) 61.37 (1559) 2.00 (51) 63.50 (1588) 31.00 (787) 186 61.37 (1559) 61.37 (1559) 2.00 (51) 63.50 (1588) 31.00 (787) NOTES: 1. Denotes center of gravity . 2. Dimensions are in inches. Dimensions ( ) are in millimeters. 3. Recomm[...]

  • Page 4

    DIMENSIONS — in. (mm) UNIT 30HXA AB CD E F G H J K L M N P R S T U V 076 102.12 (2594) 45.87 (1 165) 45.87 (1 165) 27.81 (706) 9.36 (236) 43.50 (1 105) 15.60 (396) 85.15 (2163) 4.00 (102) 95.00 (2413) 65.22 (1657) 13.93 (354) 59.48 (151 1) 5.72 (145 ) 45.81 (1 164) 46.25 (1 175) 2.40 (61) 46.40 (1 179) 35.00 (889) 086 102.12 (2594) 45.87 (1 165) [...]

  • Page 5

    DIMENSIONS — in. (mm) UNIT 30HXA ABC DE F G H J 161 72.12 (1832) 50.63 (1386) 48.56 (1233) 46.62 (1 184) 72.06 (1830) 51.00 (1295) 2.70 (69) 62.50 (1588) 35.20 (894) 171 61.37 (1559) 61.37 (1559) 43.25 (1099) 46.62 (1 184) 61.31 (1572) 61.75 (1568) 2.70 (69) 62.50 (1588) 35.20 (894) 186 61.37 (1559) 61.37 (1559) 43.25 (1099) 46.62 (1 184) 61.31 ([...]

  • Page 6

    WEIGHT DISTRIBUTION A T EACH MOUNTING PLA TE, 30HXC UNITS — Lb (Kg) UNIT 30HXC MOUNTING PLA TE NO. 123456 076 738 (335) 943 (428) 595 (270) 111 0 (503) 1418 (643) 896 (406) 086 738 (335) 947 (430) 597 (271) 111 2 (504) 1427 (647) 902 (409) 096 686 (31 1) 968 (439) 693 (314) 1027 (466) 1447 (656) 1034 (469) 106 730 (331) 1028 (466) 744 (337) 1073 [...]

  • Page 7

    T able 1A — Physical Data, English UNIT SIZE 076 086 096 106 116 126 136 146 161 171 186 UNIT WEIGHT (lb) Fluid Cooled (HXC) 5700 5723 5855 6177 6415 6465 6688 6718 7452 7660 7854 Condenserless (HXA) 4717 4744 4835 5151 5162 5205 5308 5333 5752 5777 5946 COMPRESSORS Semi-Hermetic, T win Screw Quantity 222222 2 2 2 2 2 Nominal Capacity per Compres[...]

  • Page 8

    T able 1B — Physical Data, SI UNIT SIZE 076 086 096 106 116 126 136 146 161 171 186 UNIT WEIGHT (Kg) Fluid Cooled (HXC) 2586 2596 2656 2802 2910 2933 3034 3047 3380 3476 3563 Condenserless (HXA) 2140 2152 2193 2336 2341 2361 2408 2419 2609 2620 2697 COMPRESSORS Semi-Hermetic, T win Screw Quantity 22222222222 Nominal Capacity per Compressor (kW) 1[...]

  • Page 9

    IMPOR T ANT : Some of the unit skids are larger than standard door openings. Be sure that the path to the unit’ s final destination is wide enough to accommo- date unit shipping skid. Remove the skid if necessary . If skid is removed and rollers are used, attach rollers to unit tube sheets while moving unit. Areas where unit mounting points will[...]

  • Page 10

    F i g .6—T ypical Cooler (30HXA, HXC) and Condenser (30HXC Only) Piping and Wiring NOTES: 1. Wiring and piping shown are for general point-of-connection only and are not intended to show details for specific installation. Certified field wiring and dimensional diagrams are available upon request. The 30HXA and HXC units should be installed usi[...]

  • Page 11

    30HXA REFRIGERANT PIPING (See Fig. 7) — T ake care when running the refrigerant piping from the 30HXA unit to the remote condenser(s) to avoid excessive pres- sure drops. The pressure drop using R-134a refrigerant is dif ferent than when using R-22 refrigerant. See T ables 2 and 3 for an example fo ra2F (1.1 C) pressure drop in saturated temperat[...]

  • Page 12

    T able 3 — Liquid Line 2 F (1.1 C) Drop in Saturated T emperature Example SA TURA TED LIQUID TEMP PRESSURE R-134a R-22 F C Psig kPa Psig kPa 100 37.7 124.3 857 195.9 1351 98 36.7 120.1 828 190.2 131 1 D PRESSURE 4.2 29 5.7 40 Discharge lines should be looped above the compressors to avoid having charge flowing back to the oil separator and compr[...]

  • Page 13

    NOTES: 1. V alues are for a 2° F pressure drop at 125 F (51.7 C) saturated discharge tem- perature, 120 F (48.9 C) saturated condensing temperature, and 105 F (40.6 C) liquid refrigerant temperature. 2. Size each circuit separately . Fig. 10 — R-134a Discharge Line Sizing, 30HXA Units Fig. 1 1 — Field-Supplied 1 ⁄ 4 -in. Copper T ube, 30HXA [...]

  • Page 14

    T o install condenser piping: 1. Remove bolts on weld flanges, and remove flanges from condenser water heads. Remove the weld flanges before welding piping to the flanges. Refer to Fig. 1 and 2 for weld flange locations. Failure to remove the flanges may dam- age the sensors and insulation. 2. T o keep debris from entering the heat exchanger [...]

  • Page 15

    T able 4A — Unit Electrical Data, 30HXC Units* UNIT 30HXC VOL T AGE POWER CIRCUIT CONTROL CIRCUIT ICF Nameplate (3 Ph) Supplied Min Max MCA MOCP Recommended Fuse Size V oltage (Single Ph) Min Max MCA MOCP WD XL 076 208/230-60 187 253 123/123 200/200 175/150 1 15-60 104 127 15 15 307 † 460-60 414 506 100 150 125 1 15-60 104 127 148 374 575-60 51[...]

  • Page 16

    T able 4A — Unit Electrical Data, 30HXC Units* (cont) UNIT 30HXC VOL T AGE POWER CIRCUIT CONTROL CIRCUIT ICF Nameplate (3 Ph) Supplied Min Max MCA MOCP Recommended Fuse Size V oltage (Single Ph) Min Max MCA MOCP WD XL 161 208/230-60 187 253 285/197 500/350 350/250 1 15-60 104 127 15 15 591 † 460-60 414 506 200 300 250 1 15-60 104 127 287 756 57[...]

  • Page 17

    T able 4B — Unit Electrical Data, 30HXA Units* UNIT 30HXA VOL T AGE POWER CIRCUIT CONTROL CIRCUIT ICF Nameplate (3 Ph) Supplied Min Max MCA MOCP Recommended Fuse Size V oltage (Single Ph) Min Max MCA MOCP WD XL 076 208/230-60 187 253 180/180 300/300 225/225 1 15-60 104 127 15 15 451 † 460-60 414 506 146 200 175 1 15-60 104 127 218 550 575-60 51[...]

  • Page 18

    T able 4B — Unit Electrical Data, 30HXA Units* (cont) UNIT 30HXA VOL T AGE POWER CIRCUIT CONTROL CIRCUIT ICF Nameplate (3 Ph) Supplied Min Max MCA MOCP Recommended Fuse Size V oltage (Single Ph) Min Max MCA MOCP WD XL 161 208/230-60 187 253 437/295 700/500 600/400 1 15-60 104 127 15 15 979 † 460-60 414 506 304 450 350 1 15-60 104 127 478 1282 5[...]

  • Page 19

    T able 5A — Compressor Electrical Data, 30HXC Units UNIT SIZE 30HXC NAMEPLA TE V -Hz (3 Phase) COMPRESSOR NUMBERS A1 B1 RLA LRA RLA LRA 076 208/230-60 * * * * 460-60 44.3 330 44.3 330 575-60 35.4 264 35.4 264 380-60 53.7 365 53.7 365 230-50 * * * * 346-50 * * * * 380/415-50 55.8 344 55.8 344 076-WD 208/230-60 98.1 209 98.1 209 460-60 44.3 104 44.[...]

  • Page 20

    T able 5A — Compressor Electrical Data, 30HXC Units (cont) UNIT SIZE 30HXC NAMEPLA TE V -Hz (3 Phase) COMPRESSOR NUMBERS A1 B1 RLA LRA RLA LRA 126 208/230-60 * * * * 460-60 79.2 485 65.5 405 575-60 63.3 388 52.3 324 380-60 95.9 536 79.2 448 230-50 * * * * 346-50 * * * * 380/415-50 97.8 605 81.7 506 126-WD 208/230-60 175.4 307 144.9 256 460-60 79.[...]

  • Page 21

    T able 5A — Compressor Electrical Data, 30HXC Units (cont) UNIT SIZE 30HXC NAMEPLA TE V -Hz (3 Phase) COMPRESSOR NUMBERS A1 B1 RLA LRA RLA LRA 186 208/230-60 * * * * 460-60 103.1 685 103.1 685 575-60 82.4 548 82.4 548 380-60 124.8 757 124.8 757 230-50 * * * * 346-50 * * * * 380/415-50 128.6 856 128.6 856 186-WD 208/230-60 228.8 433 228.8 433 460-[...]

  • Page 22

    T able 5B — Compressor Electrical Data, 30HXA Units UNIT SIZE 30HXA NAMEPLA TE V -Hz (3 Phase) COMPRESSOR NUMBERS A1 B1 RLA LRA RLA LRA 076 208/230-60 * * * * 460-60 64.9 485 64.9 485 575-60 51.9 388 51.9 388 380-60 78.7 536 78.7 536 230-50 * * * * 346-50 * * * * 380/415-50 81.5 605 81.5 605 076-WD 208/230-60 143.8 307 143.8 307 460-60 64.9 153 6[...]

  • Page 23

    T able 5B — Compressor Electrical Data, 30HXA Units (cont) UNIT SIZE 30HXA NAMEPLA TE V -Hz (3 Phase) COMPRESSOR NUMBERS A1 B1 RLA LRA RLA LRA 126 208/230-60 * * * * 460-60 1 15.4 820 94.8 685 575-60 92.2 656 75.7 548 380-60 139.7 906 1 14.7 757 230-50 * * * * 346-50 * * * * 380/415-50 145.4 960 1 19.9 856 126-WD 208/230-60 255.5 518 209.8 447 46[...]

  • Page 24

    T able 5B — Compressor Electrical Data, 30HXA Units (cont) UNIT SIZE 30HXA NAMEPLA TE V -Hz (3 Phase) COMPRESSOR NUMBERS A1 B1 RLA LRA RLA LRA 186 208/230-60 * * * * 460-60 157.9 1 175 157.9 1 175 575-60 126.2 940 126.2 940 380-60 191.2 1299 191.2 1299 230-50 * * * * 346-50 * * * * 380/415-50 201.2 1265 201.2 1265 186-WD 208/230-60 349.6 743 349.[...]

  • Page 25

    LEGEND ALM — Alarm CCN — Carrier Comfort Network COMM — Communications CWFS — Chilled W ater (Fluid) Flow Switch CWP — Chilled Water (Fluid) Pump CWPI — Chilled W ater (Fluid) Pump Interlock EQUIP — Equipment GND, GRD — Ground NEC — National Electrical Code (U.S.A.) TB — T erminal Block Field Power Wiring Field Control Wiring Fa[...]

  • Page 26

    T erminals TB2-1 1 and TB2-12 are provided for field in- stallation of a chilled water (fluid) pump interlock (CWPI) and a chilled water (fluid) flow switch (CWFS). These de- vices are to be installed in series. Contacts must be rated for day circuit applications capable of handling a 24-vac to 50 mA load. Accessory remote on-of f switch can be[...]

  • Page 27

    30HXC UNITS — The 30HXC units are shipped from the factory with a full charge of R-134a. Unit should not need to be charged at installation unless a leak was detected in Step 6 — Leak T est Unit section on page 26. If dehydration and recharging is necessary , use industry standard practices or refer to Carrier Standard Services T echniques Manu[...]

  • Page 28

    P ACKAGED SERVICE TRAINING Our packaged service training programs provide an excellent way to increase your knowledge of the equipment discussed in this manual. Product programs cover: • Unit Familiarization • Maintenance • Installation Overview • Operating Sequence A large selection of product, theory , and skills programs is available. Al[...]