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48HJ004---007
48HE003---006
Single---Package Rooftop Heating/Cooling
Standard and LowNOx Units
Installation Instructions
CONTENTS
SAFETYCONSIDERATIONS
Page
Installation and servicing of air-conditioning equipment can be
hazardous due to system pressure and electrical components.
SAFETY CONSIDERATIONS ........................ 1
Onlytrainedand qualifiedservicepersonnelshould install,repair,
INSTALLATION .................................. 1
orserviceair-conditioning equipment.
Step1--ProvideUnitSup
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condenser-coil air inlet to prevent grass and foliage from obstructing airflow. ! WARNING NOTE: Horizontal units may be installed on a roof curb if FIRE,EXPLOSIONHAZARD required. ALTERNATEUNITSUPPORT Failure to follow this warning could death and/or propertydamage. When the curb or adapter cannot be used, support unit with sleeper rails using unit curb or adapter support area. If sleeper Disconnect gas piping from unit when leak testing at 1 1 pressure greater than / psig. Pressures greater than
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DALT ROOFCURB UNIT CONNECTOR ACCESSORY A BC DRAIN GAS POWER CONTROL ACCESSORY SIZE PKG.ACCY. POWER HOLE 1 -2 CRRFCURB001A01 3 3 CRBTMPWR001A01 / [19] NPT / 4 [356] 4 48HJ004-007 [19] NPT 1 CRBTMPWR002A01 1 / [31.7] 4 2 -0 48HE003-006 CRRFCURB002A01 11 3 1 1 1 -9 / 1 -4 1 / 1 / / 16 4 / 2 2 [610] 2 3 CRBTMPWR003A01 / [19] NPT 4 [551] [406] [44.5] [12.7] [12.7] [12.7] NPT 3 /4 1 NOTES: CRBTMPWR004A01 1 / [31.7] 4 [19] NPT 1. Roof curb accessory is shipped disassembled. 2. Insulated panels. 3.
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Lifting holes are provided in base rails as shown in Fig. 8 and 9. Flueventdischargemusthaveaminimumhorizontalclearanceof Referto rigging instructionson unit. 4 ft from electric and gas meters, gas regulators, and gas relief equipment. After unit is in position, remove shipping materials and rigging ! WARNING skids. PROPERTYDAMAGEHAZARD Step5 —InstallFlueHood Flue hood is shipped screwed to the burner compartment access Failure to follow this warning could result in personal panel. Remove from s
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C06111 Fig.6 --- Rigging Details OPERATING DIMENSIONS UNIT WEIGHT “A” “B” “C” 48HE lb kg in. mm in. mm in. mm 003 530 240 73.69 1872 35.50 902 33.31 847 004 540 245 73.69 1872 35.50 902 33.31 847 005 560 254 73.69 1872 35.50 902 33.31 847 006 635 288 73.69 1872 35.50 902 33.31 847 OPERATING DIMENSIONS UNIT WEIGHT “A” “B” “C” 48HJ lb kg in. mm in. mm in. mm 004 530 240 73.69 1872 35.50 902 33.31 847 005 540 245 73.69 1872 35.50 902 33.31 847 006 560 254 73.69 1872 35.50 902 33.31 847 007 635 288
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6 48HE,HJ C06112 Fig.8 --- 48HJ004--007 BaseUnitDimensions
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7 C06113 Fig.9 --- 48HE003--006 BaseUnitDimensions 48HE,HJ
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fieldpowersupply Allunitsexcept 208/230-v units arefactory wired for thevoltage shown on thenameplate. Ifthe 208/230-v unit isto beconnected to a 208-v power supply, the transformer must be rewired by moving the black wire from the 230-v terminal on the transformer and connecting it to the 200-v terminal from the transformer. Refer to unit label diagram for additional information. Pigtails are provided for field service. Use factory-supplied splices orUL (Underwriters’Laboratories)approved coppe
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Table1—PhysicalData48HJ BASEUNIT48HJ HJE/F/H/K/M/N004 HJD/E/F/G/H/K/L/M/N005 HJD/E/F/G/H/K/L/M/N006 HJD/E/F007 NOMINALCAPACITY 3 4 5 6 OPERATINGWEIGHT(lb) Unit 530 540 560 635 Humidi-MiZer™ Adaptive Dehumidification System 15 23 25 29 EconoMi$er IV 50 50 50 50 Roof Curb 115 115 115 115 COMPRESSOR Scroll Quantity 1 1 1 1 Oil (oz) 42 53 50 60 REFRIGERANTTYPE R-22 Expansion Device Acutrol™ MeteringDevice Operating Charge (lb-oz) StandardUnit 5-8 10-2 10-0 12- 8 Unit With Humidi-Mizer Adaptive Dehum
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TABLE1—PHYSICALDATA48HJ(cont) BASEUNIT48HJ HJE/F/H/K/M/N004 HJD/E/F/G/H/K/L/M/N005 HJD/E/F/G/H/K/L/M/N006 HJD/E/F007 FURNACESECTION RolloutSwitch CutoutTemp(F)† 195 195 195 195 Burner Orifice Diameter (in. ...drill size)** Natural Gas— Std HJE .113...33 HJD.113...33 HJD.113...33 HJD.113...33 HJF.113...33 HJE .113...33 HJE .113...33 HJE .113...33 — HJF.129...30 HJF.129...30 HJF.129...30 HJH .113...33 HJG .113...33 HJG .113...33 — HJK.113...33 HJH .113...33 HJH .113...33 — — HJK.129...30 HJK.129..
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Table2—PHYSICALDATA48HE BASEUNIT48HE HD/E/F003 HE/F/H/K/M/N004 H/E/F/G/H/K/L/M/N005 HD/E/F/G/H/K/L/M/N006 NOMINALCAPACITY 2 3 4 5 OPERATINGWEIGHT(lb) Unit 530 540 560 635 Humidi-MiZer™ Adaptive Dehumidification System 13 15 23 25 EconoMi$er IV 50 50 50 50 Roof Curb 115 115 115 115 COMPRESSOR Scroll Quantity 1 1 1 1 Oil (oz) 25 42 56 53 REFRIGERANTTYPE R-22 Expansion Device Acutrol™ MeteringDevice Operating Charge (lb-oz) StandardUnit 5---3 7---11 8---8 12---11 Unit With Humidi-Mizer Adaptive Deh
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TABLE2—PHYSICALDATA48HE(cont) BASEUNIT48HE HD/E/F003 HE/F/H/K/M/N004 HD/E/F/G/H/K/L/M/N005 HD/E/F/G/H/K/L/M/N006 FURNACESECTION RolloutSwitch CutoutTemp(F)† 195 195 195 195 Burner Orifice Diameter (in. ...drill size)** Natural Gas— Std* HJE .113...33 HJD.113...33 HJD.113...33 HEE .089...43 HJF.113...33 HJE .113...33 HJE .113...33 — HJF.129...30 HJF.129...30 HJH .113...33 HJG .113...33 HJG .113...33 — HJK.113...33 HJH .113...33 HJH .113...33 — — HJK.129...30 HJK.129...30 — HJM.102...38 HJL .102..
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48HE004,005 48HE004,005 48HE003-006 LEGEND C— Contactor COMP — Compressor EQUIP — Equipment GND — Ground IFC — Indoor (Evaporator) Fan Contactor NEC — National Electrical Code TB — Terminal Block 48HE006 C06124 Fig.12 --- PowerWiring Connections LOW VOLTAGE INTEGRATED GAS UNIT R COOL STAGE 1 Y1/W2 CONNECTIONS CONTROLLER (IGC) FAN G G HEAT STAGE 1 W/W1 Y1 WIRE COOL STAGE 2 Y/Y2 Y2 CONNECTIONS TO W1 HEAT STAGE 2 O/W2 LOW-VOLTAGE SECTION 24 VAC HOT R W2 C 24 VAC COM C IPD/X N/A OUTDOOR AIR S1 SENSO
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14 48HE,HJ Table3—ElectricalData48HE VOLTAGE COMBUSTION CONV MINIMUMUNIT 48HE003---006 COMPRESSOR OFM POWERSUPPLY* RANGE FANMOTOR IFM OUTLET DISCONNECTSIZE NOMINAL FLA UNITSIZE IFMTYPE Min Max QTY RLA LRA QTY FLA FLA MCA FLA LRA MOCP** V---PH---Hz 003 NO 16.3 20 15.6 69 208/230---1---60 STD 187 254 1 10.9 63 1 0.7 0.6 2.0 (2tons) YES 22.3 25 21.2 73 NO 25.6 30 24.8 101 208/230---1---60 STD 187 254 1 16 88 1 0.7 0.6 4.9 YES 31.6 35 30.4 106 NO 18.5 25 18.3 90 STD 4.9 YES 24.5 30 23.8 95 208/230--
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15 Table4—ElectricalData48HJ VOLTAGE COMBUSTION IFM CONV MINIMUMUNI 48HJ004---014 COMPRESSOR(each) OFM(each) POWERSUPPLY* RANGE FANMOTOR FLA OUTLET DISCONNECTSIZE NOMINAL UNITSIZE IFMTYPE Min Max QTY RLA LRA QTY FLA FLA MCA FLA LRA MOCP** V---PH---Hz NO 25.6 30 25 101 208/230---1---60 STD 187 254 1 16 88 1 0.7 0.6 4.9 YES 31.6 35 30 106 NO 18.5 25 18 90 STD 4.9 YES 24.5 30 24 95 208/230---360 187 254 1 10.3 77 1 0.7 0.6 NO 19.4 25 19 120 HS 5.2 YES 25.4 30 25 124 NO 9.0 15 9 46 STD 2.2 YES 11.7
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16 48HE,HJ Table4—ElectricalData48HJ(cont) NO 38.2 45 40 242 STD 7.5 YES 44.2 50 46 247 208/230---3---60 187 254 2 12.4 88 2 1.4 0.6 NO 41.3 45 44 267 HS 10.6 YES 47.3 50 49 271 NO 19.2 25 20 121 STD 3.4 YES 21.9 25 23 123 460---3---60 414 508 2 6.4 44 2 0.7 0.3 NO 20.6 25 22 134 008(71/2Tons) HS 4.8 YES 23.3 25 24 136 NO 14.6 20 15 95 STD 2.8 YES 16.8 20 17 95 0.6 0.3† NO 15.3 20 17 104 575---3---60 HS 518 632 2 4.8 34 2 3.3 YES 17.5 20 19 104 NO 15.8 20 17 104 HumidiMi$er 0.7† 0.3† 4.8† YES 17
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Step8 —AdjustFactory-InstalledOptions 3. Use a wire nut to connect humidistat cable into low- voltagewiring asshown in Fig.18. cobra™ energyrecoveryunits To install Thermidistat device: Please refer to the supplement provided for information on 1. Route Thermidistat cable through hole provided in unit installing and operating the factory optional COBRA Energy RecoveryUnits.Theseunitsareequippedwith afactory--installed controlbox. energy recovery unitand have differentinstallation and operation 2
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LEGEND CB — Circuit Breaker Terminal (Unmarked) CR — Cooling Relay DHR — Dehumidify Relay Splice DSV — Discharge Solenoid Valve HR — Heater Relay Factory Wiring LPS — Low Pressure Switch Field Control Wiring LSV — Liquid Solenoid Valve LTLO — Low Temperature Lockout Field Power Wiring Field Splice C06128 Fig.18 --- TypicalHumidi--MiZert AdaptiveDehumidification System HumidistatWiring (208/230--VUnitShown) LCT ROOF TOP UNIT R R C C Y1 Y1 Y2 Y2 G G W1 W1 W2 W2 CB R1 DEHUM 3.2 AMPS OC PINK RED 24
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InstalltheSupplyAirTemperature(SAT)Sensor When the unit is supplied with a factory--mounted PremierLink control, the supply--air temperature (SAT) sensor (33ZCSENSAT) is factory--supplied and wired. The wiring is routed from the PremierLink control over the control box, through a grommet, into the fan section, down along the back side of the fan, and along the fan deck over to the supply--air opening. The SAT probe is wire--tied to the supply--air opening (on the horizontal opening end) in its s
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Table5—PremierLink™ SensorUsage OUTDOORAIR RETURNAIR OUTDOORAIR RETURNAIR APPLICATION TEMPERATURESENSOR TEMPERATURESENSOR ENTHALPYSENSOR ENTHALPYSENSOR DifferentialDryBulb Temperature with Required --- Included --- PremierLink* 33ZCT55SPT — — (PremierLink CRTEMPSN001A00 orEquivalent requires4-20mA Actuator) SingleEnthalpywith PremierLink* Required --- Included --- (PremierLink HH57AC077 — — NotUsed requires4-20mA orEquivalent Actuator) DifferentialEnthalpy withPremierLink* Required --- Required
