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48DJ,DK,NP034-074
50DJ,DK,DW,DY,NB,NP034-074
Single Package Heating and Cooling Units
Installation, Start-Up and
Service Instructions
CONTENTS
Page Page
• COOLING, UNITS WITH ECONOMIZER
GENERAL ...................................2
• HEATING, UNITS WITH ECONOMIZER
SAFETY CONSIDERATIONS...................2
• VENTILATIONAIR CIRCULATION (Continuous Fan)
• AUTOMATIC CHANGEOVER USINGAUTOMATIC
INSTALLATION .............................2-37
CHANGEOVER THERMOSTAT
Rigging and Unit Placement ..............
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CONTENTS (cont) Beforeperformingserviceormaintenanceoperationson • AUTOMATIC PILOTADJUSTMENT (48 Series unit,turnoffmainpowerswitchtounit.Electricalshock Units Only) could cause personal injury. • GAS VALVEADJUSTMENT (48 Series Units Only) • MAIN BURNERADJUSTMENT (48 Series Units Only) Main Burner Removal (48 Series Units Only)..50 Switch Adjustment .........................50 Refrigerant Feed Components ...............50 Donottrytolightanyappliance.Donottouchanyelec- Thermostatic Expansion Valv
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NOTES: 1. Sizes034,044:Rigwith4cablesandspreadwithtwo95in.(2413mm)and 2 8A 1A8 long spreader bars. Sizes054-074:Rigwith4cablesandspreadwithfour95in.(2413mm)and 1. All panels must be in place when rigging. 2 8A 1 B 1A8 long spreader bars. 2. Unit is not designed for handling by forklift truck. 2. Center of gravity includes economizer. RIGGING WEIGHTSAND DIMENSIONS UNIT WEIGHT* A B UNIT Lb Kg in. mm in. mm 48DJD,DKD,NPD034 5941 2694.8 109.4 2780 86.0 2185 48DJE,NPE034 6070 2753.4 110.4 2804 48DJD,
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Table 1A — Physical Data; 034, 044 Units BASE UNIT* 034 044 NOMINAL CAPACITY (tons) 30 40 OPERATING WEIGHT (lb) Base Unit 48 Series, Low Heat 5641 6541 48 Series, High Heat 5770 6670 50 Series, Horizontal Discharge 5970 6620 50 Series, Vertical Discharge 5400 6050 With Economizer 48 Series, Low Heat 5941 6841 48 Series, High Heat 6070 6970 50 Series, Horizontal Discharge 6270 6920 50 Series, Vertical Discharge 5700 6350 Semi-Hermetic COMPRESSORS Quantity...Type 2...06D 2...06E Capacity Steps (%)
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Table 1B — Physical Data; 054-074 Units BASE UNIT* 054 064 074 NOMINAL CAPACITY (tons) 50 60 75 OPERATING WEIGHT (lb) Base Unit 48 Series, Low Heat 8700 9000 9420 48 Series, High Heat 8820 9120 9550 50 Series, Horizontal Discharge 8250 8550 8970 50 Series, Vertical Discharge 7700 8000 8430 With Economizer 48 Series, Low Heat 9230 9530 9950 48 Series, High Heat 9350 9650 10,080 50 Series, Horizontal Discharge 8780 9080 9500 50 Series, Vertical Discharge 8230 8530 8960 COMPRESSORS Semi-Hermetic Qu
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Table 2 — Operating Weights of Options and Accessories UNIT SIZE OPTION OR ACCESSORY 034 044 054 064 074 Roof Curb 450 480 515 515 515 48DJ,DK,NP 450 480 560 560 560 50DW,DY,NB 380 465 515 515 515 50DJ,DK,NP Condenser Section Roof Curb — — 540 540 625 Economizer 300* 300* 530* 530* 530* Power Exhaust 600* 600* 710* 710* 710* Barometric Relief 200 200 200 200 200 High-Efficiency Filters 20 20 20 20 20 Bag filters 35 35 40 40 40 Hail Guard 120 150 145 145 210 Copper Condenser Coil Fins 180 235 235
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NOTES: XY UNIT UNIT 1. Roof curb is shipped unassembled. MODEL SIZE mm ft-in. mm ft-in. 2. Roof curb: 14 gage (VA03-56) steel. 3. Dimensions in [ ] are millimeters. 48DJ,DK,NP 034 1 11 6606 21-8 ⁄16 4056 13- 3 ⁄16 50DW,DY,NB 034 3 3 50DJ,DK,NP 034 6131 20-1 ⁄8 3311 10-10 ⁄8 48DJ,DK,NP 044 1 5 7825 25-8 ⁄16 4893 16- 0 ⁄8 50DW,DY,NB 044 NOTE:Topreventthehazardofstagnantwaterbuild-upinthe drainpanoftheindoor-airsection,unitcanonlybepitchedas 1 1 50DJ,DK,NP 044 7344 24-1 ⁄8 4141 13- 7 ⁄16 shown. UNI
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NOTES: XY Z UNIT UNIT 1. Roof curb is shipped unassembled. MODEL SIZE mm ft-in. mm ft-in. mm ft-in. 2. Roof curb: 14 gage (VA03-56) steel. 3. Dimensions in [ ] are millimeters. 48DJ,DK,NP 054,064 3 11 3 4. Suggested hole location for field wiring 2474 8-1 ⁄8 8476 27-9 ⁄16 6965 22-10 ⁄16 50DW,DY,NB 054,064 through roof curb (holes to be field drilled). 3 1 9 50DJ,DK,NP 054,064 2458 8-0 ⁄4 7444 24-5 ⁄16 5933 19- 5 ⁄16 48DJ,DK,NP 074 3 11 3 3383 11-1 ⁄16 8476 27-9 ⁄16 6965 22-10 ⁄16 NOTE:Topreventthe
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UNIT LEVELING TOLERANCES DIMENSION X UNIT DIMENSIONS* SIZE mm Ft-in. (degrees and inches) 5 054,064 270 0-10 ⁄8 1 AB 074 255 0-10 ⁄16 Deg in. Deg in. 1.0 2.0 .50 .75 *From edge of unit to horizontal. NOTE: To prevent the hazard of stagnant water build-up in the drain pan of the indoor-air section, unit can only be pitched as shown. Fig. 3C — Condenser Section Roof Curb (054-074 Units Only) 9
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3. Remove the holddown screw from each upper corner of CondensateDrains— SeeFig.4A-4DandFig.5for each economizer hood. drain locations. The drain assemblies, each consisting of a 1 10-gage plate with a 1 ⁄4-in. half coupling welded to it, are 4. Pivot hoods outward. (There is a total of 4 hoods.) shipped in the unit fan section. Also included are 16-gage 5. Install18screws,(5eachside,6top,and2bottom),around sealplatestocoverthedrainholesnotbeingused.Openthe theoutsideofeachhood.(Screwsareinthefa
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WEIGHT A B C D E F G H J UNIT SIZE lb kg mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. 1 48DJD,DKD,NPD 5641 2559 4498 14-9 ⁄8 1 3 9 5 1 7 1 9 48DJE,NPE 034 5770 2617 4474 14-8 ⁄8 3662 12-0 ⁄16 7278 23-10 ⁄16 1709 5-7 ⁄16 2216 7- 3 ⁄4 4228 13-10 ⁄16 2746 9-0 ⁄8 — — 3626 12-10 ⁄16 1 50DW,DY,NB 5970 2708 4044 13-3 ⁄4 7 48DJD,DKD,NPD 6541 2967 5255 17-2 ⁄8 7 1 1 5 5 3 3 1 48DJE,NPE 044 6670 2708 5229 17-1 ⁄8 4497 14-9 ⁄16 8496 27-10 ⁄2 2328 7-7 ⁄8 2091 6-1
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WEIGHT A B C D E F G H UNIT SIZE lb kg mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. 1 13 13 3 1 1 3 034 5400 2449 4198 13-9 ⁄4 2916 9-6 ⁄16 6802 22-3 ⁄16 1711 5-7 ⁄8 2216 7- 3 ⁄4 4428 9-0 ⁄8 3762 12-4 ⁄8 —— 50DJ,DK,NP 13 1 9 7 5 3 1 3 044 6050 2744 4948 16-2 ⁄16 3746 12-3 ⁄2 8015 26-3 ⁄16 2247 7-4 ⁄16 2091 6-10 ⁄16 3363 11-0 ⁄8 4306 14-1 ⁄2 3769 12-4 ⁄8 LEGEND Forsmallerserviceandoperationalclearances,con- JK tact Carrier Product Engineering Department. CONN —
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WEIGHT A B C D E F G UNIT SIZE lb kg mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. 48DJD,DKD,NPD 8700 3946 7 1 5969 19-7 6717 22-0 ⁄16 2718 8-11 6541 21-5 ⁄2 13 11 9 48DJE,NPE 054 8820 4000 1163 3-9 ⁄16 11,524 37-9 ⁄16 11,140 36-6 ⁄16 3 3 50DW,DY,NB 8250 3742 6045 19-10 7676 25-2 ⁄16 2830 9-3 ⁄4 6427 21-1 48DJD,DKD,NPD 9000 4082 7 1 5969 19-7 6717 22-0 ⁄16 2718 8-11 6541 21-5 ⁄2 13 11 9 48DJE,NPE 064 9120 4137 1163 3-9 ⁄16 11,524 37-9 ⁄16 11,140 36-6 ⁄16 3 3 50DW,DY,NB 85
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Weight A B C D E F UNIT SIZE Lb Kg mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. 054 7700 3493 13 7 3 5 1 5537 18-2 1163 3-9 ⁄16 10,476 34-4 ⁄16 2864 9-4 ⁄4 10,092 33-1 ⁄16 5347 17-6 ⁄2 50DJ,DK,NP 064 8000 3629 13 1 3 1 1 074 8430 3824 5969 21-3 1163 3-9 ⁄16 11,385 37-4 ⁄4 3727 12-2 ⁄4 11,001 36-1 ⁄8 4483 14-8 ⁄2 LEGEND Economizer End — 68-09 (except power exhaust units 108-09) Forsmallerserviceandoperationalclearances,contactCarrierProductEn- CONN — Connection DIM — Dimension gine
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034 UNITS ROOF MOUNT DRAIN 044-074 UNITS Fig. 5 — Drain Location Selection SLAB MOUNT DRAIN Fig. 8 — Condensate Drain Piping Details Fig. 6 — Condensate Drain Location Fig. 9 — Outdoor-Air Hood Fig. 7 — Seal Plate Location 15
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O Fig. 12 — Enthalpy Sensor Location Fig. 10 — Outdoor-Air Damper Adjustments (Inside of Hood Shown) CONTROL CONTROL POINT ENTHALPY CURVE (Approx Deg) SENSOR AT 50% RH A 73 B 68 C 63 D 58 Fig. 13 — Psychrometric Chart for Enthalpy Control Fig. 11 — Enthalpy Sensor 16
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Field Wire Routing UNITSIZES034AND044—Fieldwiringcanbebrought into the unit through the basepan and roof curb or through thecornerpostinthesideoftheunitnexttothecontrolbox. A 3-1/2 in. NPT coupling for field power and a 3/4-in. NPT coupling for 24 v control wiring are provided in the basepan.Therearetwo4-5/8in.knockoutsinthecornerpost for field power wiring. Iffieldpowerwiringisbroughtthroughtheroofcurb,route wiringoutthroughoneofthe4-5/8in.knockoutstothefield- supplied disconnect and then back into
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Usecarewhendrillingintocornerposttoavoiddamagetocon- denser coil. Fig. 17 — Disconnect Location, 054-074 Units (50 Series Horizontal Discharge Shown) POWERWIRING—Unitsarefactorywiredforthevoltage Use the following formula to determine the percent shown on the unit nameplate. The main terminal block is voltage imbalance. suitable for use with aluminum or copper wires. Maximum % Voltage Imbalance wire size is 3/0AWG (American Wire Gage). max voltage deviation from average voltage = 100 x average v
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Table 3 — Electrical Data, 034 Units 208/230-3-60 (V-Ph-Hz) BASE UNIT WITH COMPR COMPR BASE UNIT EXHAUST ELECTRIC EXHAUST FAN OFM IFM NO. 1 NO. 2 ONLY FAN HEAT* AND/OR VOLTAGE ELECTRIC HEAT* RANGE Total Total Total RLA LRA RLA LRA Hp FLA MCA MOCP kW FLA MCA MOCP FLA Hp FLA 6.0 21.2/20.0 — — 175.9/172.5 225/225 10.0 33.4/30.0 — — 188.1/182.5 225/225 15.0 48.4/44.0 — — 203.1/196.5 250/225 — — 29/ 36 78.9/ 91.0 154.7/152.5 200/200 — — 59/ 72 157.7/182.0 227.4/255.0 250/300 — — 88/108† 236.6/273.0 3
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Table 3 — Electrical Data, 034 Units (cont) 460-3-60 (V-Ph-Hz) BASE UNIT WITH COMPR COMPR BASE UNIT EXHAUST ELECTRIC EXHAUST FAN OFM IFM NO. 1 NO. 2 ONLY FAN HEAT* AND/OR VOLTAGE ELECTRIC HEAT* RANGE Total Total Total RLA LRA RLA LRA Hp FLA MCA MOCP kW FLA MCA MOCP FLA Hp FLA 6.0 9.6 — — 90.8 110 10.0 15.2 — — 96.4 125 15.0 22.0 — — 103.2 125 — — 36 46.3 81.2 100 — — 72 93.0 130.0 150 — — 108† 139.0 187.5 200 6.0 9.6 36 46.3 90.8 110 7.5 11.0 81.2 100 6.0 9.6 72 93.0 130.0 150 6.0 9.6 108† 139.0
