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Carrier 48HE003---006, 48HJ004---007 installation instructions 48HE,HJ, Contactor, Compressor

Models: 48HJ004---007 48HE003---006

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— Contactor, Compressor

48HE,HJ
NOTES:
1.	If any of the original wire furnished must be replaced, it must
	be replaced with type 90 C wire or its equivalent.
2.	Three phase motors are protected under primary	single

phasing conditions.

3. Use copper conductors only.

4. TRAN is wired for 230 v unit. If unit is to be run with 208 v power supply, disconnect BLK wire from 230 v tap (ORN) and connect to 208 v tap (RED). Insulate end of 230 v tap.

LEGEND

C	— Contactor, Compressor		OFM	— Outdoor (Condenser) Fan Motor
CAP	— Capacitor		OLR	— Overload Relay
CLO	— Compressor Lockout		P	— Plug
COMP	— Compressor Motor		PL	— Plug Assembly
EQUIP	— Equipment		QT	— Quadruple Terminal
FPT	— Freeze Up Protection Thermostat		RS	— Rollout Switch
FU	— Fuse		SAT	— Supply Air Temperature Sensor
GND	— Ground		TRAN	— Transformer
HPS	— High-Pressure Switch			Field Splice
HS	— Hall-Effect Sensor			Field Splice
I	—	Ignitor		Marked Wire
IDM	— Induced-Draft Motor			Marked Wire
IFC	—	Indoor Fan Contactor		Terminal (Marked)
IFM	—	Indoor Fan Motor		Terminal (Marked)
IGC	— Integrated Gas Unit Controller			Terminal (Unmarked)
LPS	— Low-Pressure Switch			Terminal (Unmarked)
LS	— Limit Switch			Terminal Block
MGV	— Main Gas Valve			Terminal Block
MGV	— Main Gas Valve

Splice

Splice (Marked)

Factory Wiring Field Control Wiring Field Power Wiring

Accessory or Optional Wiring

To indicate common potential only; not to represent wiring.

C06147

Fig. 75 ---Typical Wiring Schematic and Component Arrangement (208/230-3-60 Shown)

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Carrier 48HE003---006, 48HJ004---007 installation instructions 48HE,HJ, Contactor, Compressor

Contents

48HJ004---007 48HE003---006 SAFETY CONSIDERATIONSInstallation Instructions ELECTRICAL SHOCK HAZARDSLAB MOUNT Horizontal Units Only INSTALLATIONStep 3 -InstallExternal Trap for Condensate Drain FIRE, EXPLOSION HAZARDFig. 2 --- Roof Curb Details 48HE,HJ48HJ004-007 PROPERTY DAMAGE HAZARD Step 5 -InstallFlue HoodStep 6 -InstallGas Piping positioningPROPERTY DAMAGE HAZARD 48HE,HJFig. 7 --- Roof Curb Alignment FIRE, EXPLOSION HAZARD48HE,HJ Fig. 8 --- 48HJ004-007Base Unit DimensionsC06112 48HE,HJ Fig. 9 --- 48HE003-006Base Unit DimensionsC06113 field power supply Fig. 11 --- Gas Piping Guide With AccessoryThru-the-CurbService Connections field control wiring48HE,HJ Table 1-PhysicalData 48HJ48HE,HJ TABLE 1 - PHYSICAL DATA 48HJ contTable 2-PHYSICALDATA 48HE 48HE,HJ TABLE 2 - PHYSICAL DATA 48HE cont48HE,HJ Fig. 12 --- Power Wiring ConnectionsFig. 15 --- Field Control Wiring CONTROLTable 3-ElectricalData 48HE 48HE,HJ48HE003---006 48HE,HJ Table 4-ElectricalData 48HJ48HE,HJ Table 4-ElectricalData 48HJ contFig. 16 --- Accessory Field-InstalledHumidistat Step 8 -Adjust Factory-InstalledOptionscobra energy recovery units AssemblyFactory Wiring Humidistat Wiring 208/230-VUnit ShownDamper Installed Field Control Wiring48HE,HJ Fig. 23 --- Outdoor-AirDamper Position SettingInstall the Indoor Air Quality CO2 Sensor Fig. 22 --- Outdoor-AirDamper With Hood AttachedFig. 24 --- PremierLink Controller 48HE,HJTable 5-PremierLink Sensor Usage APPLICATION48HE,HJ Fig. 25 --- PremierLinktController InstalledFig. 26 --- Typical PremierLink Control Wiring PremierLinkFig. 28 --- Differential Enthalpy Control 48HE,HJReturn Air Enthalphy Sensor Sensor and Mounting Plate 33AMKITENT00648HE,HJ Fig. 31 --- Typical Access Panel LocationsFig. 33 --- Indoor Coil Access Panel Relocation Fig. 32 --- Hood Box RemovalSupply Air Temperature SAT Sensor Fig. 35 --- Filter Installation48HE,HJ Table 6-SupplyAir Sensor Temperature48HE,HJ EconoMi$er IV WiringOutdoor Enthalpy Changeover Differential Enthalphy Control Exhaust Set Point Adjustment48HE,HJ Fig. 39 --- Outdoor-AirDamper LeakageThermostats 48HE,HJMinimum Position Control Fig. 43 --- Outside Air TemperatureFig. 45 --- Enthalpy Changeover Set Points 48HE,HJ+ TR Demand Controlled Ventilation DCVStep 9 -Adjust Evaporator-FanSpeed Fig. 47 --- CO2 Sensor Maximum Range SettingCO2 Sensor Configuration 48HE,HJ48HE,HJ Table 8-CO2 Sensor Standard SettingsFig. 50 --- Indoor-FanPulley Adjustment Fig. 49 --- Belt Drive Motor Mounting48HE,HJ Table 12-Accessorystatic pressureTable 11-Evaporator-FanMotor Data - Standard Motor Table 15-48HEOutdoor Sound Power Total Unit GENERAL FAN PERFORMANCE NOTESTable 14-48HJOutdoor Sound Power Total Unit 48HE,HJBelt Drive 48HE,HJBelt Drive 48HE,HJ Belt Drive48HE,HJ Standard Motor Belt Drive48HE,HJ Standard Motor Belt Drive48HE,HJ AIRFLOW48HE,HJ 1075Belt Drive 48HE,HJBelt Drive Belt Drive 48HE,HJBelt Drive 48HE,HJ Standard Motor Belt Drive48HE,HJ Standard Motor Belt Drive48HE,HJ 0.8048HE,HJ 0.64Step 6 -InternalWiring PRE-START-UPSTART-UP Step 7 -RefrigerantService PortsStep 11 -MainBurners 48HE,HJStep 10 -Cooling Table 37-AltitudeCompensationStep 14 -VentilationContinuous Fan Step 13 -SafetyRelief48HE,HJ Step 15 -OperatingSequenceFig. 51 --- DX Cooling Temperature 48HE,HJRoutine 3 OAT Control ExampleSubcooling Mode UNITS WITH HUMIDI-MIZER ADAPTIVEDEHUMIDIFICATION SYSTEM Normal Design Operation Fig. 53 --- Humidi-MiZerNormalFig. 56 --- Cleaning Condenser Coil SERVICEStep 1 -Cleaning 48HE,HJ48HE,HJ Step 3 -Condenser-FanAdjustmentStep 6 -HighPressure Switch Fig. 57 --- Propping Up Top PanelFig. 61 --- Cooling Charging Chart Step 7 -Loss-of-ChargeSwitchFig. 60 --- Cooling Charging Chart 48HE,HJFig. 63 --- Cooling Charging Chart Fig. 62 --- Cooling Charging ChartFig. 64 --- Cooling Charging Chart, 48HJ004 with Fig. 65 --- Cooling Charging Chart, 48HJ005 withTO USE COOLING CHARGING CHART, STANDARD UNIT Fig. 66 --- Cooling Charging Chart, 48HJ005 withFig. 67 --- Cooling Charging Chart, 48HJ007 with 48HE,HJFig. 70 --- Cooling Charging Chart Fig. 68 --- Cooling Charging ChartFig. 69 --- Cooling Charging Chart Fig. 71 --- Cooling Charging Chart48HE,HJ Step 12 -LimitSwitchTable 40-LEDError Code Description Step 13 -BurnerIgnition5. Reinstall burner rack as described above Fig. 74 --- Spark Gap AdjustmentCleaning and Adjustment Step 15 -ReplacementParts48HE,HJ Contactor, CompressorStep 2 -Economi$erIV Troubleshooting TROUBLESHOOTINGStep 1 -UnitTroubleshooting economi$er IV troubleshooting completion48HE,HJ Table 41-LEDError Code Service AnalysisCOMPONENT DAMAGE HAZARD Table 42- Heating Service Analysis 48HE,HJTable 45-CoolingService Analysis 48HE,HJTable 46-EconoMi$erIV Input/Output Logic 48HE,HJFig. 76 --- EconoMi$er IV Functional View III.START-UP START-UPCHECKLIST Remove and Store in Job FileI. PRELIMINARY INFORMATION 48HE,HJ