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Carrier 48HE003---006 START-UPCHECKLIST Remove and Store in Job File, I. Preliminary Information

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

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START-UP CHECKLIST

48HE,HJ

START-UP CHECKLIST

(Remove and Store in Job File)

I. PRELIMINARY INFORMATION


MODEL NO.:			SERIAL NO.:
DATE:			TECHNICIAN:

II.PRE-START-UP (insert checkmark in box as each item is completed)

j VERIFY THAT JOBSITE VOLTAGE AGREES WITH VOLTAGE LISTED ON RATING PLATE j VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT

j REMOVE ALL SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS j VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS j CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS

j CHECK GAS PIPING FOR LEAKS

j CHECK THAT RETURN (INDOOR) AIR FILTERS ARE CLEAN AND IN PLACE j VERIFY THAT UNIT INSTALLATION IS LEVEL

j CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS

j CHECK TO ENSURE THAT ELECTRICAL WIRING IS NOT IN CONTACT WITH REFRIGERANT LINES OR SHARP METAL EDGES

j CHECK PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRUCTIONS

III.START-UP

ELECTRICAL

SUPPLY VOLTAGE	L1-L2	L2-L3	L3-L1
COMPRESSOR AMPS	L1	L2	L3
INDOOR-FAN AMPS	L1	L2	L3

TEMPERATURES
OUTDOOR-AIR TEMPERATURE		DB
RETURN-AIR TEMPERATURE		DB	WB
COOLING SUPPLY AIR		DB
HEATING SUPPLY AIR		DB
PRESSURES (Cooling Mode)
GAS INLET PRESSURE		IN.WG
GAS MANIFOLD PRESSURE		IN.WG (HIGH FIRE)
REFRIGERANT SUCTION		PSIG
REFRIGERANT DISCHARGE		PSIG

jVERIFY THAT 3-PHASE FAN MOTOR AND BLOWER ARE ROTATING IN CORRECT DIRECTION. IF THEY ARE NOT ROTATING IN CORRECT DIRECTION, LOCKING COLLAR MUST BE RE-TIGHTENED AFTER CORRECTING DIRECTION OF ROTATION

jVERIFY THAT 3-PHASE SCROLL COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION j VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS

Copyright 2006 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231	Printed in U.S.A.	Edition Date:09/06	Catalog No:48H-1SI

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.			Replaces:48HJ--33SI

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Carrier 48HE003---006 START-UPCHECKLIST Remove and Store in Job File, I. Preliminary Information, Iii.Start-Up, 48HE,HJ

Contents

SAFETY CONSIDERATIONS Installation Instructions48HJ004---007 48HE003---006 ELECTRICAL SHOCK HAZARDINSTALLATION Step 3 -InstallExternal Trap for Condensate DrainSLAB MOUNT Horizontal Units Only FIRE, EXPLOSION HAZARDFig. 2 --- Roof Curb Details 48HE,HJ48HJ004-007 Step 5 -InstallFlue Hood Step 6 -InstallGas PipingPROPERTY DAMAGE HAZARD positioning48HE,HJ Fig. 7 --- Roof Curb AlignmentPROPERTY DAMAGE HAZARD FIRE, EXPLOSION HAZARD48HE,HJ Fig. 8 --- 48HJ004-007Base Unit DimensionsC06112 48HE,HJ Fig. 9 --- 48HE003-006Base Unit DimensionsC06113 Fig. 11 --- Gas Piping Guide With Accessory Thru-the-CurbService Connectionsfield power supply 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 contFig. 12 --- Power Wiring Connections Fig. 15 --- Field Control Wiring48HE,HJ CONTROLTable 3-ElectricalData 48HE 48HE,HJ48HE003---006 48HE,HJ Table 4-ElectricalData 48HJ48HE,HJ Table 4-ElectricalData 48HJ contStep 8 -Adjust Factory-InstalledOptions cobra energy recovery unitsFig. 16 --- Accessory Field-InstalledHumidistat AssemblyHumidistat Wiring 208/230-VUnit Shown Damper InstalledFactory Wiring Field Control WiringFig. 23 --- Outdoor-AirDamper Position Setting Install the Indoor Air Quality CO2 Sensor48HE,HJ Fig. 22 --- Outdoor-AirDamper With Hood Attached48HE,HJ Table 5-PremierLink Sensor UsageFig. 24 --- PremierLink Controller APPLICATIONFig. 25 --- PremierLinktController Installed Fig. 26 --- Typical PremierLink Control Wiring48HE,HJ PremierLink48HE,HJ Return Air Enthalphy SensorFig. 28 --- Differential Enthalpy Control Sensor and Mounting Plate 33AMKITENT006Fig. 31 --- Typical Access Panel Locations Fig. 33 --- Indoor Coil Access Panel Relocation48HE,HJ Fig. 32 --- Hood Box RemovalFig. 35 --- Filter Installation 48HE,HJSupply Air Temperature SAT Sensor Table 6-SupplyAir Sensor Temperature48HE,HJ EconoMi$er IV WiringOutdoor Enthalpy Changeover Exhaust Set Point Adjustment 48HE,HJDifferential Enthalphy Control Fig. 39 --- Outdoor-AirDamper Leakage48HE,HJ Minimum Position ControlThermostats Fig. 43 --- Outside Air Temperature48HE,HJ + TRFig. 45 --- Enthalpy Changeover Set Points Demand Controlled Ventilation DCVFig. 47 --- CO2 Sensor Maximum Range Setting CO2 Sensor ConfigurationStep 9 -Adjust Evaporator-FanSpeed 48HE,HJTable 8-CO2 Sensor Standard Settings Fig. 50 --- Indoor-FanPulley Adjustment48HE,HJ Fig. 49 --- Belt Drive Motor Mounting48HE,HJ Table 12-Accessorystatic pressureTable 11-Evaporator-FanMotor Data - Standard Motor GENERAL FAN PERFORMANCE NOTES Table 14-48HJOutdoor Sound Power Total UnitTable 15-48HEOutdoor 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 0.64PRE-START-UP START-UPStep 6 -InternalWiring Step 7 -RefrigerantService Ports48HE,HJ Step 10 -CoolingStep 11 -MainBurners Table 37-AltitudeCompensationStep 13 -SafetyRelief 48HE,HJStep 14 -VentilationContinuous Fan Step 15 -OperatingSequence48HE,HJ Routine 3 OATFig. 51 --- DX Cooling Temperature Control ExampleUNITS WITH HUMIDI-MIZER ADAPTIVE DEHUMIDIFICATION SYSTEM Normal Design OperationSubcooling Mode Fig. 53 --- Humidi-MiZerNormalSERVICE Step 1 -CleaningFig. 56 --- Cleaning Condenser Coil 48HE,HJStep 3 -Condenser-FanAdjustment Step 6 -HighPressure Switch48HE,HJ Fig. 57 --- Propping Up Top PanelStep 7 -Loss-of-ChargeSwitch Fig. 60 --- Cooling Charging ChartFig. 61 --- Cooling Charging Chart 48HE,HJFig. 62 --- Cooling Charging Chart Fig. 64 --- Cooling Charging Chart, 48HJ004 withFig. 63 --- Cooling Charging Chart Fig. 65 --- Cooling Charging Chart, 48HJ005 withFig. 66 --- Cooling Charging Chart, 48HJ005 with Fig. 67 --- Cooling Charging Chart, 48HJ007 withTO USE COOLING CHARGING CHART, STANDARD UNIT 48HE,HJFig. 68 --- Cooling Charging Chart Fig. 69 --- Cooling Charging ChartFig. 70 --- Cooling Charging Chart Fig. 71 --- Cooling Charging ChartStep 12 -LimitSwitch Table 40-LEDError Code Description48HE,HJ Step 13 -BurnerIgnitionFig. 74 --- Spark Gap Adjustment Cleaning and Adjustment5. Reinstall burner rack as described above Step 15 -ReplacementParts48HE,HJ Contactor, CompressorTROUBLESHOOTING Step 1 -UnitTroubleshootingStep 2 -Economi$erIV Troubleshooting 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 START-UPCHECKLIST Remove and Store in Job File I. PRELIMINARY INFORMATIONIII.START-UP 48HE,HJ