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Performance data (cont) 48TJ024 (20 TONS) Temp (F) Air Entering Condenser (Edb) 75 85 95 105 115 125 COOLING CAPACITIES (cont) Air Entering Evaporator — Cfm/BF 6000/0.06 7000/0.07 8000/0.08 9000/0.09 10,000/0.10 Air Entering Evaporator — Ewb (F) 72 67 62 72 67 62 72 67 62 72 67 62 72 67 62 TC 274.0 250.0 226.0 280.0 256.0 232.0 284.0 260.0 236.0 288.0 264.0 242.0 292.0 268.0 246.0 SHC 130.4 163.6 194.4 136.4 175.0 210.0 144.4 186.8 224.0 151.8 197.0 236.0 157.4 208.0 246.0 kW 16.92 16.40 15.90 17.04 16.58 16.12 17.22 16.72 16.22 17.32 16.84 16.36 17.42 16.92 16.50 TC 264.0 240.0 216.0 270.0 244.0 222.0 276.0 250.0 226.0 278.0 254.0 232.0 282.0 256.0 238.0 SHC 127.6 159.8 189.8 138.2 172.2 206.0 141.8 183.4 220.0 147.8 194.6 232.0 154.6 204.0 236.0 kW 18.54 18.00 17.36 18.72 18.18 17.60 18.96 18.34 17.74 19.04 18.46 17.94 19.14 18.56 18.08 TC 252.0 228.0 204.0 258.0 234.0 210.0 262.0 238.0 216.0 266.0 240.0 222.0 270.0 242.0 228.0 SHC 124.4 155.4 184.6 131.0 167.6 200.0 138.8 178.8 214.0 145.2 189.8 222.0 151.8 200.0 228.0 kW 20.20 19.52 18.82 20.40 19.76 19.08 20.60 19.90 19.28 20.80 20.00 19.52 20.80 20.20 19.76 TC 240.0 216.0 190.6 246.0 222.0 196.6 250.0 226.0 204.0 252.0 228.0 212.0 256.0 230.0 218.0 SHC 120.0 150.8 178.4 127.2 163.6 193.8 135.0 175.2 204.0 141.6 185.4 212.0 147.4 196.2 218.0 kW 21.80 21.00 20.20 22.00 21.20 20.60 22.20 21.40 20.80 22.40 21.60 21.00 22.40 21.60 21.40 TC 228.0 204.0 176.6 232.0 208.0 184.6 236.0 212.0 194.2 238.0 214.0 202.0 240.0 216.0 208.0 SHC 116.0 146.2 171.8 123.8 158.4 184.6 130.4 169.6 194.2 137.2 180.8 202.0 144.0 190.8 206.0 kW 23.40 22.40 21.60 23.60 22.60 22.00 23.80 22.80 22.40 23.80 23.00 22.60 24.00 23.20 22.80 TC 214.0 188.8 163.2 218.0 194.2 174.2 220.0 197.6 183.4 224.0 199.8 190.6 226.0 202.0 196.0 SHC 111.0 140.8 162.8 118.6 153.4 174.2 125.8 164.8 183.4 132.0 175.6 190.4 139.0 185.2 195.4 kW 24.80 23.80 23.00 25.00 24.00 23.40 25.20 24.20 23.80 25.40 24.40 24.00 25.40 24.60 24.40 48TJ028 (25 TONS) Temp (F) Air Entering Condenser (Edb) 75 85 95 105 115 125 Air Entering Evaporator — Cfm/BF 7000/0.03 8750/0.05 10,000/0.07 11,250/0.09 Air Entering Evaporator — Ewb (F) 72 67 62 72 67 62 72 67 62 72 67 62 TC 323.9 299.4 275.8 331.3 312.7 288.4 336.1 319.8 294.7 342.6 322.5 300.0 SHC 159.4 195.2 230.6 170.1 216.5 259.1 177.6 231.1 276.8 186.6 242.9 292.6 kW 21.10 20.50 19.90 21.30 20.90 20.20 21.50 21.10 20.40 21.70 21.20 20.50 TC 315.3 290.4 264.3 326.9 303.2 278.0 333.7 309.1 285.0 335.1 314.2 291.1 SHC 156.3 191.7 224.9 168.4 213.2 254.9 177.5 226.9 273.8 184.4 240.7 288.4 kW 22.70 22.10 21.30 23.10 22.50 21.80 23.30 22.70 22.00 23.30 22.80 22.20 TC 304.1 277.4 243.1 315.3 290.1 263.8 320.4 295.6 271.1 324.1 300.6 279.4 SHC 152.0 186.5 215.2 165.0 208.5 248.0 173.0 222.4 266.4 181.6 236.5 279.4 kW 24.80 24.00 23.20 25.20 24.50 23.50 25.40 24.60 23.80 25.50 24.80 24.10 TC 291.2 261.4 224.8 300.9 274.2 242.1 305.7 280.3 252.3 309.8 284.8 266.3 SHC 147.2 179.7 206.6 159.9 201.8 237.3 168.3 216.8 252.3 176.8 231.1 266.3 kW 26.90 25.80 25.00 27.20 26.30 25.40 27.40 26.60 25.80 27.60 26.80 26.00 TC 274.6 237.9 207.6 285.9 251.5 222.6 291.3 258.4 237.7 293.9 267.5 247.1 SHC 140.9 170.0 198.6 154.9 193.2 222.6 164.1 208.7 237.7 163.0 224.3 247.1 kW 28.80 27.80 26.80 29.40 28.20 27.40 29.60 28.50 27.70 29.70 28.50 28.10 TC 254.5 214.9 184.3 266.7 230.9 206.7 272.0 236.0 220.8 276.1 240.0 231.1 SHC 133.3 160.8 184.3 148.0 185.1 206.7 157.5 200.2 220.8 166.6 214.4 231.1 kW 30.90 29.90 28.90 31.40 30.20 29.60 31.70 30.50 29.90 31.90 30.80 30.30 Standard Ratings BF Edb Ewb kW Ldb Lwb SHC TC — — — — — — — — LEGEND Bypass Factor Entering Dry-Bulb Entering Wet-Bulb Compressor Motor Power Input Leaving Dry-Bulb Leaving Wet-Bulb Sensible Heat Capacity (1000 Btuh) Gross Total Capacity (1000 Btuh) Gross NOTES: 1. Direct interpolation is permissible. Do not extrapolate. 2. The following formulas may be used: t ldb = tedb − sensible capacity (Btuh) 1.10 x cfm t lwb = Wet-bulb temperature evaporator coil (h lwb) corresponding to enthalpy of air leaving h lwb = hewb − total capacity (Btuh) 4.5 x cfm Where: h ewb = Enthalpy of air entering evaporator coil 28 3. SHC is based on 80 F edb temperature of air entering evaporator coil. Below 80 F edb, subtract (corr factor x cfm) from SHC. Above 80 F edb, add (corr factor x cfm) to SHC. BYPASS FACTOR (BF) ENTERING AIR DRY-BULB TEMP (F) 79 78 77 76 75 under 75 81 82 83 84 85 over 85 Correction Factor .05 1.04 2.07 3.11 4.14 5.18 .10 .98 1.96 2.94 3.92 4.90 .20 .87 1.74 2.62 3.49 4.36 .30 .76 1.53 2.29 3.05 3.82 Interpolation is permissible. Correction Factor = 1.10 x (1 BF) x (edb 80). Use formula shown below.
FAN PERFORMANCE — 48TJ004-014 VERTICAL DISCHARGE UNITS 48TJ004 (3 TONS) — STANDARD MOTOR (DIRECT DRIVE) Low Speed High Speed 208 V 230, 460, 575 V 208 V 230, 460, 575 V Esp Bhp Watts Esp Bhp Watts Esp Bhp Watts Esp Bhp Watts 900 0.49 0.21 253 0.50 0.23 277 0.51 0.26 307 0.55 0.31 363 Airflow (Cfm) 1000 0.42 0.23 270 0.43 0.25 292 0.43 0.27 321 0.51 0.32 374 1100 0.37 0.24 287 0.38 0.26 307 0.39 0.28 335 0.46 0.33 385 1200 0.33 0.26 304 0.33 0.27 323 0.34 0.29 349 0.40 0.34 397 1300 0.27 0.27 321 0.28 0.29 338 0.28 0.31 364 0.34 0.34 408 1400 0.20 0.29 338 0.23 0.30 354 0.25 0.32 378 — — — 1500 0.16 0.30 355 0.18 0.31 369 0.20 0.33 392 — — — Bhp Esp FIOP — — — LEGEND Brake Horsepower Input to Fan External Static Pressure (in. wg) Factory-Installed Option NOTES: 1. Values include losses for filters, unit casing, and wet coils. See page 49 for accessory/FIOP static pressure information. 2. Extensive motor and electrical testing on these units ensures that the full range of the motor can be utilized with confidence. Using your fan motors up to the wattage ratings shown will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected. See Evaporator-Fan Motor Performance table on page 52 for additional information. 3. Use of a field-supplied motor may affect wire sizing. Contact your <strong>Carrier</strong> representative for details. 48TJ004 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE) External Static Pressure (in. wg) Airflow Cfm 0.1 0.2 0.3 0.4 0.5 0.6 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 900 581 0.12 119 673 0.18 179 736 0.22 219 805 0.25 249 865 0.29 288 911 0.34 338 1000 644 0.19 189 709 0.22 219 782 0.28 279 835 0.30 298 900 0.35 348 937 0.38 378 1100 687 0.22 219 746 0.26 259 806 0.30 298 867 0.35 348 929 0.40 398 964 0.40 398 1200 733 0.26 259 785 0.32 318 843 0.35 348 903 0.41 408 960 0.47 467 994 0.50 497 1300 754 0.29 288 826 0.38 378 891 0.43 428 942 0.48 477 991 0.53 527 1047 0.60 597 1400 810 0.35 348 868 0.45 448 937 0.51 507 984 0.57 567 1032 0.62 617 1067 0.67 666 1500 841 0.42 418 911 0.53 527 985 0.61 607 1029 0.66 656 1073 0.72 716 1109 0.77 766 48TJ004 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE) External Static Pressure (in. wg) Airflow Cfm 0.7 0.8 0.9 1.0 1.1 1.2 Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 900 957 0.39 388 988 0.43 428 1039 0.47 448 1061 0.51 487 1083 0.54 527 1105 0.58 567 1000 992 0.44 438 1039 0.49 487 1061 0.55 507 1088 0.60 547 1111 0.66 587 1136 0.72 627 1100 1013 0.49 487 1068 0.55 547 1091 0.61 577 1109 0.66 607 1127 0.73 637 1145 0.80 666 1200 1045 0.56 557 1090 0.64 637 1109 0.68 647 1156 0.73 676 1203 0.81 706 1250 0.86 736 1300 1075 0.64 637 1122 0.70 696 1152 0.76 716 1190 0.82 756 1228 0.87 796 1266 0.94 836 1400 1110 0.73 726 1160 0.78 766 1181 0.83 806 1237 0.88 845 1293 0.94 885 1349 0.99 925 1500 1150 0.78 816 1190 0.84 855 1225 0.89 895 1271 0.95 945 1317 1.00 995 1383 1.05 1044 LEGEND Bhp — Brake Horsepower Input to Fan FIOP — Factory-Installed Option Watts — Input Watts to Motor NOTES: 1. Boldface indicates a field-supplied drive is required. (See Note 3). 2. indicates field-supplied motor and drive are required. 3. Motor drive range is 760 to 1000 rpm. All other rpms require a field-supplied drive. 4. Values include losses for filters, unit casing, and wet coils. See page 49 for accessory/FIOP static pressure information. 5. Maximum continuous bhp is 1.0 and the maximum continuous watts are 1000. Extensive motor and electrical testing on these units ensures that the full range of the motor can be utilized with confidence. Using your fan motors up to the wattage ratings shown will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected. See Evaporator-Fan Motor Performance table on page 52 for additional information. 6. Use of a field-supplied motor may affect wire sizing. Contact your <strong>Carrier</strong> representative for details. 7. Interpolation is permissible. Do not extrapolate. 29
Page 1 and 2: 48TJ008-014 Product Data 48TJ024,02
Page 3 and 4: Features/Benefits (cont) cabinet pa
Page 5 and 6: ARI* capacity ratings UNIT 48TJ NOM
Page 7 and 8: Physical data — 48TJ004-007 ⁄
Page 9 and 10: Physical data — 48TJ008-014 UNIT
Page 11 and 12: Physical data — 48TJ016-028 ⁄
Page 13 and 14: Options and accessories ITEM OPTION
Page 15 and 16: ACCUSENSOR II (004-014 Only) OUTDOO
Page 17 and 18: Base unit dimensions — 48TJ008-01
Page 19 and 20: Base unit dimensions — 48TJD024,0
Page 21 and 22: Accessory dimensions ROOF CURB ACCE
Page 23 and 24: HORIZONTAL AND VERTICAL ROOF CURBS
Page 25 and 26: Performance data 48TJ004 (3 TONS) T
Page 27: 48TJ014 (12 1 ⁄ 2 TONS) Temp (F)
Page 31 and 32: FAN PERFORMANCE — 48TJ004-014 VER
Page 37 and 38: FAN PERFORMANCE — 48TJ004-014 HOR
Page 45 and 46: FAN PERFORMANCE — 48TJ016-028 UNI
Page 47 and 48: FAN PERFORMANCE — 48TJ016-028 UNI
Page 49 and 50: ACCESSORY/FIOP STATIC PRESSURE* (in
Page 51 and 52: ELEVATION (Ft) ALTITUDE COMPENSATIO
Page 53 and 54: Electrical data — 48TJ004-014 UNI
Page 55 and 56: Typical piping and wiring — 48TJ0
Page 57 and 58: Typical wiring schematic — 48TJ00
Page 59 and 60: Controls Operating sequence Cooling
Page 61 and 62: INDOOR-AIR QUALITY AND APOLLO CONTR
Page 63 and 64: Variable Volume/Variable Temperatur
Page 65 and 66: CONCENTRIC DUCT AIR DISTRIBUTION 48
Page 67 and 68: F. Heating Section: 1. Induced-draf
Page 69 and 70: 16. Salt Spray Protection Package (
Page 71 and 72: G. Refrigerant Components: Refriger

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