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Carrier 50JX Series, Product Data

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20

Condensate trap — 

A 2-in. condensate trap must be field

supplied.

Ductwork —

 Secure downflow discharge ductwork to roof

curb. For horizontal discharge applications, attach ductwork
to unit with flanges.

To convert a unit to downflow discharge — 

Units are

equipped with factory-installed inserts in the downflow

openings. Remove the inserts similar to removing an
electrical knock-out. 

Maximum cooling airflow —

 To minimize the possibility

of condensate blow-off from the evaporator, airflow
through the units should not exceed 450 cfm/ton.

Minimum cooling airflow  —

 The minimum cooling

airflow is 350 cfm/ton.

Minimum cooling ambient operating temperature —

 All

standard units have a minimum ambient operating

temperature of 40°F. With accessory low ambient temperature
kit, units can operate at temperatures down to 0°F.

Application data

1” MIN.

2” MIN.

TRAP
OUTLET

Summary of Contents for 50JX Series

Page 1: ...nd pre charged for minimum installation expense 50JX units are available in a variety of standard capacity ranges with voltage options to meet residential and light commercial requirements Units install easily on a rooftop or at ground level Durable dependable components Scroll Compressors are designed for high efficiency Each compressor is hermetically sealed against contamination to help promote...

Page 2: ... pad Convenient handholds are provided to manipulate the unit on the jobsite A nesting feature ensures a positive unit base to roof curb seal when the unit is roof mounted A convenient 3 4 in wide perimeter flange makes frame mounting on a rooftop easy Downflow operation is easily provided in the field to allow vertical ductwork connections The unit base utilizes knockout style seals on the bottom...

Page 3: ...or entering air temperature 2 Before purchasing this appliance read important energy cost and efficiency information available from your retailer 3 0 1 AD Options None Wire Grille AD Louvered Grille BT Wire Grille and Vinyl Coated Condenser Coil Fin XT Louvered Grille and Vinyl Coated Con denser Coil Fin CC Wire Grille AL Evaporator and CU CU Condenser Coil AC Louvered Grille AL Evaporator and CU ...

Page 4: ... Area sq ft 3 15 3 7 3 15 3 7 4 15 3 7 4 15 4 7 4 15 4 7 4 15 5 7 INDOOR BLOWER Nominal Airflow Cfm Size in Motor Hp RPM 800 10 x 10 1 4 1075 1000 10 x 10 1 4 1075 1200 10 x 10 1 2 1075 1400 11 x 10 1 2 1075 1450 11 x 10 1 2 1075 1750 11 x 10 1 0 1040 RETURN AIR FILTERS in Throwaway 20 x 20 x 1 20 x 20 x 1 20 x 24 x 1 24 x 30 x 1 24 x 30 x 1 24 x 30 x 1 3 2 5 A2 M A N U F A C T U R E R CERTIFIED T...

Page 5: ...inserted into the unit base rigging holds to lift unit for rooftop applications Low ambient kit Motormaster II control allows the use of mechanical cooling down to outdoor temperatures as low as 0 F Filter rack features easy installation serviceability and high filtering performance for vertical and horizontal applications Compressor Hard start kit gives a boost to the compressor motor at each sta...

Page 6: ...6 ECONOMIZER FILTER RACK MANUAL OUTSIDE AIR DAMPER DAMPER BLADE MANUAL OUTSIDE AIR HOOD REPLACEMENT PANEL ...

Page 7: ... CENTER OF GRAVITY mm in lb kg X Y Z 50JX024 208 230 1 60 299 135 6 1041 9 41 02 482 6 19 0 348 0 13 7 406 4 16 0 50JX030 208 230 1 60 208 230 3 60 320 145 2 940 3 37 02 500 4 19 7 355 6 14 0 447 0 17 6 50JX036 208 230 1 60 208 230 3 60 460 3 60 328 148 8 940 3 37 02 500 4 19 7 355 6 14 0 419 1 16 5 ...

Page 8: ...Y mm in lb kg X Y Z 50JX042 208 230 1 60 208 230 3 60 460 3 60 350 158 8 1040 9 40 98 505 5 19 9 398 8 15 7 421 6 16 6 50JX048 208 230 1 60 208 230 3 60 460 3 60 375 170 1 1040 9 40 98 505 5 19 9 398 8 15 7 457 2 18 0 50JX060 208 230 1 60 208 230 3 60 460 3 60 428 194 1 1091 7 42 98 505 5 19 9 398 8 15 7 447 0 17 6 ...

Page 9: ...0JX042 060 CPRFCURB008A00 8 203 16 3 16 411 17 3 8 441 40 1 4 1022 CPRFCURB009A00 14 356 16 3 16 411 17 3 8 441 40 1 4 1022 C00076 Gasket around outer edge Insulated deck pan Gasket around duct S A R A HVAC unit base Gasketing outer flange Flashing field supplied Roofing material field supplied Cant strip field supplied Provided with roofcurb Roof Duct work field supplied Insulation field supplied...

Page 10: ...ndoor air and 20 F air entering outdoor coil the integrated heating capacity is 16 200 Btuh Select integrated heating capacity value since deductions for outdoor coil frost and defrosting have already been made No correction is required The required heating capacity is 28 550 Btuh Therefore 12 350 Btuh 28 550 16 200 additional electric heat is required Determine additional electric heat capacity i...

Page 11: ...8 1 74 1 81 1 83 1 87 900 TC 9 22 8 52 11 07 10 19 13 14 12 06 14 77 13 46 15 87 14 40 kW 1 77 1 82 1 87 1 91 1 95 70 700 TC 8 10 7 49 10 04 9 24 12 15 11 15 13 77 12 56 14 83 13 45 kW 1 73 1 83 1 91 1 96 2 00 800 TC 8 43 7 80 10 35 9 53 12 47 11 44 14 09 12 84 15 17 13 75 kW 1 80 1 89 1 96 2 00 2 04 900 TC 8 91 8 24 10 71 9 85 12 81 11 76 14 43 13 16 15 53 14 08 kW 1 85 1 97 2 04 2 07 2 11 80 700...

Page 12: ... 78 16 36 kW 1 82 1 87 1 90 1 98 2 02 1125 Cap 10 11 9 31 12 74 11 72 15 47 14 23 17 13 15 76 18 11 16 66 kW 1 99 1 95 1 99 2 05 2 05 70 875 Cap 6 14 5 65 11 04 10 16 13 93 12 81 16 58 15 26 16 72 15 38 kW 1 99 1 97 2 01 2 48 2 09 1000 Cap 8 82 8 11 11 58 10 66 14 36 13 21 16 38 15 06 17 13 15 75 kW 1 96 2 03 2 09 2 13 2 16 1125 Cap 9 32 8 58 11 94 10 99 14 84 13 66 16 85 15 51 17 61 16 20 kW 2 06...

Page 13: ...6 19 62 18 15 kW 2 33 2 35 2 49 2 56 2 60 1350 TC 10 23 9 46 15 98 14 78 18 08 16 72 19 64 18 16 20 39 18 85 kW 2 55 2 55 2 65 2 73 2 76 70 1050 TC 6 60 6 11 13 40 12 40 15 70 14 52 17 40 16 09 18 13 16 77 kW 2 25 2 35 2 50 2 59 2 62 1200 TC 8 18 7 57 14 12 13 06 16 69 15 44 18 28 16 90 19 06 17 63 kW 2 46 2 54 2 64 2 72 2 76 1350 TC 9 11 8 43 10 80 9 99 17 50 16 19 19 09 17 65 19 82 18 33 kW 2 46...

Page 14: ...4 26 50 24 38 kW 2 56 2 66 2 74 2 80 2 84 1575 TC 15 37 14 14 19 47 17 91 22 32 20 54 25 76 23 71 27 08 24 92 kW 2 71 2 80 2 89 2 91 2 96 70 1225 TC 10 27 9 45 15 14 13 93 19 86 18 27 23 10 21 25 24 51 22 55 kW 2 55 2 70 2 86 2 93 2 97 1400 TC 11 36 10 45 16 19 14 89 20 55 18 91 24 03 22 11 25 46 23 42 kW 2 72 2 85 2 99 3 06 3 08 1575 TC 11 80 10 85 16 48 15 17 21 17 19 47 24 68 22 70 26 09 24 00 ...

Page 15: ...6 3 49 3 49 1800 TC 15 63 14 45 19 92 18 33 24 21 22 23 27 22 24 82 28 47 25 82 kW 3 21 3 37 3 54 3 65 3 65 70 1400 TC 12 18 11 26 16 85 15 50 21 52 19 75 24 79 22 61 26 48 24 02 kW 2 80 3 10 3 39 3 59 3 65 1600 TC 13 21 12 22 17 80 16 38 22 40 20 56 25 61 23 35 27 15 24 62 kW 2 98 3 23 3 49 3 67 3 71 1800 TC 14 52 13 43 19 01 17 49 23 49 21 56 26 63 24 28 28 14 25 52 kW 3 32 3 53 3 74 3 89 3 91 8...

Page 16: ...4 08 4 15 4 21 4 27 2000 TC 23 2 21 4 28 5 26 3 33 5 30 9 36 8 33 6 40 0 36 3 kW 3 81 3 94 4 12 4 17 4 21 2250 TC 23 4 21 6 28 6 26 3 33 8 31 1 37 2 33 9 40 5 36 7 kW 3 79 3 92 4 04 4 10 4 15 70 1750 TC 21 1 19 5 26 4 24 3 32 8 30 1 35 8 32 6 38 8 35 2 kW 4 02 4 27 4 48 4 55 4 63 2000 TC 21 3 19 7 27 3 25 1 32 9 30 2 36 0 32 8 39 1 35 5 kW 4 01 4 26 4 42 4 49 4 57 2250 TC 21 5 19 9 28 4 26 1 33 1 ...

Page 17: ...Above 80 F edb add corr factor x cfm to SHC Correction Factor 1 10 x 1 BF x edb 80 5 Integrated capacity is maximum instantaneous capacity less the effect of frost on the outdoor coil and the heat required to defrost it NOTES 1 Ratings are net they account for the effects of the evaporator fan motor power and heat 2 Direct interpolation is permissible Do not extrapolate 3 The following formulas ma...

Page 18: ...490 471 449 426 Cfm 1500 1408 1301 1190 1082 977 High Watts 645 628 610 595 584 575 Cfm 1474 1369 1267 1169 1069 962 042 Low Watts 620 600 586 574 562 548 530 510 487 462 439 Cfm 1662 1621 1581 1540 1496 1447 1392 1331 1263 1186 1103 Med Watts 686 661 634 606 577 547 517 Cfm 1722 1662 1594 1515 1427 1330 1227 High Watts 757 730 704 682 Cfm 1669 1577 1486 1402 048 Low Watts 620 600 586 574 562 548 ...

Page 19: ...19 INDOOR THERMOSTAT DISCONNECT PER NEC FROM POWER SOURCE RETURN AIR TOP COVER Typical piping and wiring ...

Page 20: ...the inserts similar to removing an electrical knock out Maximum cooling airflow To minimize the possibility of condensate blow off from the evaporator airflow through the units should not exceed 450 cfm ton Minimum cooling airflow The minimum cooling airflow is 350 cfm ton Minimum cooling ambient operating temperature All standard units have a minimum ambient operating temperature of 40 F With acc...

Page 21: ...0 9 4 1 3 8 5 0 5 4 7 2 7 5 10 0 11 3 15 0 15 0 20 0 18 1 20 8 26 0 30 0 36 1 41 7 54 2 62 5 72 2 83 3 28 0 28 0 50 6 54 0 60 5 65 5 73 1 80 1 95 7 106 1 118 3 132 2 35 35 60 60 80 90 80 90 100 110 125 150 208 230 3 60 187 253 12 4 88 0 9 4 1 3 8 5 0 7 5 10 0 11 3 15 0 15 0 20 0 10 4 12 0 20 8 24 1 31 3 36 1 41 6 48 0 20 5 20 5 33 5 35 5 46 6 50 6 59 6 65 6 72 5 80 5 25 25 40 40 50 60 60 70 80 90 ...

Page 22: ...e a motor where a phase imbalance in supply volt age is greater than 2 Use the following formula to determine the percentage of voltage imbalance Voltage imbalance max voltage deviation from average voltage 100 x average voltage EXAMPLE Supply voltage is 460 3 60 AB 452 v BC 464 v AC 455 v 452 464 455 Average Voltage 3 1371 3 457 Determine maximum deviation from average voltage AB 457 BC 464 AC 45...

Page 23: ...23 Typical wiring schematic 208 230 1 60 shown ...

Page 24: ...24 Typical wiring schematic 208 230 3 60 shown ...

Page 25: ...25 Typical wiring schematic 460 3 60 shown ...

Page 26: ...R and starting IFM after a 1 second delay Should room temperature continue to fall circuit R W is made through second stage thermostat bulb If optional electric heat package is used a relay is energized bringing on first bank of supplemental electric heat When thermostat is satisfied contacts open deenergizing contactor and relay motors and heaters deenergize The IFM is controlled by a time delay ...

Page 27: ...m foil faced fiberglass insulation shall be used in the entire indoor air cavity section 5 Unit shall have a field supplied condensate trap 6 Metal Insulated Duct Covers for side discharge will be standard on all sizes 7 Unit Insulation conforms to ASHRAE 62P C Fans 1 The indoor fan shall be 3 speed direct drive as shown on equipment drawings 2 Fan wheel shall be made from steel and shall be doubl...

Page 28: ...ave seal strip and a wood nailer for flashing and shall be installed per manufacturer s instructions 5 Manual Outdoor Air Damper Package shall consist of damper birdscreen and rainhood which can be preset to admit outdoor air for year round ventilation 6 Thermostat To provide for one stage heating and cooling in ad dition manual or automatic changeover and indoor fan control 7 Low Ambient Package ...

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