Carrier 48HJ004---007, 48HE003---006 installation instructions Power Wiring Connections

Page 13

48HE004,005

48HE003-006

48HE004,005

LEGEND

C — Contactor

COMP — Compressor

EQUIP — Equipment

GND

Ground

IFC

Indoor (Evaporator)

 

 

Fan Contactor

NEC

National Electrical Code

TB

Terminal Block

48HE006

Fig. 12 ---Power Wiring Connections

48HE,HJ

C06124

COOL STAGE 1

Y1/W2

FAN

G

HEAT STAGE 1

W/W1

COOL STAGE 2

Y/Y2

HEAT STAGE 2

O/W2

24 VAC HOT

R

24 VAC COM

C

N/A

 

OUTDOOR AIR

S1

SENSOR

S2

THERMOSTAT DIPSWITCH SETTINGS

ON

OFF

A B C D

LEGEND

Field Wiring

R

G

Y1

Y2

W1

W2

C

IPD/X

WIRE CONNECTIONS TO LOW-VOLTAGE SECTION

 

 

 

 

LOW VOLTAGE

INTEGRATED GAS UNIT

 

 

 

 

CONNECTIONS

CONTROLLER (IGC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: Underlined letter indicates active thermostat output when configured for A/C operation.

C06008

Fig. 13 ---Low-Voltage connections With or Without Economizer or Two-Position Damper

 

CONTROL

THERMOSTAT CONTROL

CONNECTION

CONNECTION

 

BOARD

 

BOARD

R

24 VAC

R

R

G

RMTOCC

Y1

Y1

 

CMPSAFE

Y2

Y2

Y2

FSD

W1

W1

W1

SFS

W2

W2

 

NOT USED

G

G

C

C

C

C

X

X

X

 

C06009

Fig. 14 ---Low-Voltage Connections (Units with PremierLinkt Controls)

Fig. 15 ---Field Control Wiring

C06125

13

Image 13
Contents Electrical Shock Hazard Installation InstructionsRoof 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 Nominal Capacity Physical Data 48HJHJE HJD Physical Data 48HE HEE HED Power Wiring Connections 48HE003---006 Electrical Data 48HEElectrical Data 48HJ 38.2 242 208/230---3---60 187 254 12.4 HUMIDI-MIZERADAPTIVE Dehumidification System AssemblyManual outdoor damper Convenience outletTypical Humidi-MiZer t Adaptive Dehumidification System Outdoor Air Temperature Sensor OAT Install the Supply Air Temperature SAT SensorInstall the Indoor Air Quality CO2 Sensor Enthalpy Sensors and ControlPremierLink Controller PremierLinkSensor UsagePremierLinktController Installed EconoMi$er IV Component Locations Return Air Enthalphy SensorECONOMI$ER IV Standard Sensors Outdoor Air Temperature OAT SensorECONOMI$ER IV Control Modes RUN EconoMi$er IV WiringDifferential Enthalphy Control Exhaust Set Point AdjustmentIndoor Air Quality IAQ Sensor Input Thermostats Minimum Position ControlDamper Movement Demand Controlled Ventilation DCV Enthalpy Changeover Set PointsDehumidification of Fresh Air with DCV Control Adjust Evaporator-Fan SpeedBelt drive motors Belt Drive Motor Mounting CO2Sensor Standard SettingsAccessory static pressure 48HJ Fan Rpm at Motor Pulley Setting With High-Static MotorEvaporator-Fan Motor Data Standard Motor Evaporator-Fan Motor Data High-Static Motors48HE Outdoor Sound Power Total Unit 48HJ Outdoor Sound Power Total UnitUnit ARI Octave Bands Rating Airflow1100 Rpm Bhp1200 1300Rpm Bhp Watts Watts Rpm Bhp 1200 Rpm Bhp Watts1600 17001642 2333 1704 Rpm Bhp Watts 15002600 Watts Rpm Bhp 18002700 28002700 2800 2900 3000 Bhp Watts RpmBhp 600 Watts Rpm Bhp Watts 900Watts Rpm Bhp 900 Bhp Watts 1700 1800 1900 20001900 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 Refrigerant Service Ports Internal WiringUnit Preparation Gas PipingMain Burners CoolingHeating Ventilation Continuous Fan Safety ReliefOperating Sequence Cooling units without economizer Heating units without economizerRoutine 3 OAT DX Cooling Temperature Control ExampleUnits with HUMIDI-MIZERADAPTIVE Dehumidification System Subcooling ModeNormal Design Operation Evaporator Coil CleaningCondenser coil One-Row CoilsHigh Pressure Switch Condenser-Fan AdjustmentFilters Lubrication CompressorHUMIDI-MIZERSYSTEM Charging Cooling Charging Chart Standard 48HJ006 To USE Cooling Charging CHART, Standard Unit Combustion-Air Blower Flue Gas PassagewaysLED Error Code Description Limit SwitchRemoval and Replacement of GAS Train See Burner IgnitionLOW Heat Replacement PartsOFM Economi$er IV Troubleshooting Unit TroubleshootingDcv demand controlled ventilation and power exhaust Economi$er IV troubleshooting completionSymptom Cause Remedy LED Error Code Service AnalysisComponent Damage Hazard LED OFFProblem Cause Remedy Heating Service AnalysisCooling Service Analysis Inputs Outputs EconoMi$er IV Input/Output LogicSTART-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.