Carrier 48HE003---006, 48HJ004---007 installation instructions START-UP Checklist

Page 64

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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Contents Installation Instructions Electrical Shock HazardRoof Curb FIRE, Explosion HazardAlternate Unit Support 48HE,HJ Property Damage Hazard Install Flue HoodPositioning 48HE Unit Operating Dimensions Weight48HJ 48HJ004-007 Base Unit Dimensions 48HE003-006 Base Unit Dimensions Field control wiring Field power supplyHeat anticipator settings Physical Data 48HJ Nominal CapacityHJE HJD Physical Data 48HE HEE HED Power Wiring Connections Electrical Data 48HE 48HE003---006Electrical Data 48HJ 38.2 242 208/230---3---60 187 254 12.4 Assembly HUMIDI-MIZERADAPTIVE Dehumidification SystemManual outdoor damper Convenience outletTypical Humidi-MiZer t Adaptive Dehumidification System Install the Supply Air Temperature SAT Sensor Outdoor Air Temperature Sensor OATInstall the Indoor Air Quality CO2 Sensor Enthalpy Sensors and ControlPremierLinkSensor Usage PremierLink ControllerPremierLinktController Installed Return Air Enthalphy Sensor EconoMi$er IV Component LocationsOutdoor Air Temperature OAT Sensor ECONOMI$ER IV Standard SensorsECONOMI$ER IV Control Modes EconoMi$er IV Wiring RUNDifferential Enthalphy Control Exhaust Set Point AdjustmentIndoor Air Quality IAQ Sensor Input Thermostats Minimum Position ControlDamper Movement Enthalpy Changeover Set Points Demand Controlled Ventilation DCVDehumidification of Fresh Air with DCV Control Adjust Evaporator-Fan SpeedBelt drive motors CO2Sensor Standard Settings Belt Drive Motor Mounting48HJ Fan Rpm at Motor Pulley Setting With High-Static Motor Accessory static pressureEvaporator-Fan Motor Data Standard Motor Evaporator-Fan Motor Data High-Static Motors48HJ Outdoor Sound Power Total Unit 48HE Outdoor Sound Power Total UnitUnit ARI Octave Bands Rating AirflowRpm Bhp 11001200 1300Rpm Bhp Watts Rpm Bhp Watts Watts Rpm Bhp 12001600 1700Rpm Bhp Watts 1500 1642 2333 1704Watts Rpm Bhp 1800 26002700 28002700 2800 2900 3000 Bhp Watts RpmBhp 600 Watts Rpm Bhp Watts 900Watts Rpm Bhp 900 1700 1800 1900 2000 Bhp Watts1900 2000 2100 2200 2300 2400 2500 800 350 904 438 999 535 1087 640 1169 753 913 569 1250 1500 1750 2000 2250 2500 2750 3000 Internal Wiring Refrigerant Service PortsUnit Preparation Gas PipingMain Burners CoolingHeating Safety Relief Ventilation Continuous FanOperating Sequence Cooling units without economizer Heating units without economizerDX Cooling Temperature Control Example Routine 3 OATUnits with HUMIDI-MIZERADAPTIVE Dehumidification System Subcooling ModeNormal Design Operation Cleaning Evaporator CoilCondenser coil One-Row CoilsCondenser-Fan Adjustment High Pressure SwitchFilters Lubrication CompressorHUMIDI-MIZERSYSTEM Charging Cooling Charging Chart Standard 48HJ006 To USE Cooling Charging CHART, Standard Unit Flue Gas Passageways Combustion-Air BlowerLimit Switch LED Error Code DescriptionRemoval and Replacement of GAS Train See Burner IgnitionReplacement Parts LOW HeatOFM Unit Troubleshooting Economi$er IV TroubleshootingDcv demand controlled ventilation and power exhaust Economi$er IV troubleshooting completionLED Error Code Service Analysis Symptom Cause RemedyComponent Damage Hazard LED OFFHeating Service Analysis Problem Cause RemedyCooling Service Analysis EconoMi$er IV Input/Output Logic Inputs OutputsSTART-UP Checklist

48HJ004---007, 48HE003---006 specifications

Carrier has long been a trusted name in the HVAC industry, and its models 48HJ004---007 and 48HE003---006 continue that legacy, offering efficient, reliable climate control solutions. These models are designed for different applications, ensuring optimal performance in a variety of environments.

The 48HJ series features advanced rooftop units that are ideal for commercial settings. They come equipped with high-efficiency scroll compressors that provide superior cooling and heating capabilities. This series is noted for its compact design, allowing for easy installation on rooftops or other constrained spaces. The units offer variable capacity operation, which enables them to efficiently meet varying heating and cooling demands without unnecessary energy consumption.

One of the standout features of the 48HJ series is its use of advanced microprocessor controls. This technology allows for precise temperature management and system diagnostics, enhancing the ease of operation while ensuring maximum comfort. Additionally, the series supports advanced connectivity options, enabling integration with building management systems. This allows for remote monitoring and control, making it easier for facility managers to keep track of performance and energy usage.

On the other hand, the 48HE series specializes in high-efficiency heating and cooling performance. These units are designed for larger commercial spaces and come with robust features for enhanced durability and efficiency. Like the 48HJ series, the 48HE models utilize scroll compressors and are equipped with a high-efficiency fan setup for improved airflow and reduced noise levels.

The 48HE also includes an innovative heat pump option, which allows the system to reverse the cooling process to provide heating, making it versatile across different seasonal demands. Both series are designed with eco-friendly refrigerants that comply with the latest environmental regulations, ensuring a minimized ecological footprint.

In terms of energy efficiency, both the 48HJ and 48HE series hold impressive SEER and EER ratings, contributing to reduced operational costs over time. The units are also built with durable, corrosion-resistant materials, ensuring longevity and low maintenance needs.

In conclusion, Carrier 48HJ004---007 and 48HE003---006 models are designed with cutting-edge technology, energy efficiency, and flexibility in mind. Their robust features make them ideal choices for commercial applications, providing reliable comfort and operational excellence. Whether for cooling or heating, these systems stand out in performance and sustainability, earning Carrier's reputation as a leader in the HVAC market.