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Carrier 48HJD005-007 specifications Rear EconoMi$er Flange Installation, Outdoor-Air Hood Assembly

Models: 48HJD005-007

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Fig. 28 — Rear EconoMi$er Flange Installation

OUTDOOR AIR	SEAL STRIP	UNIT FILTER	ECONOMIZER CLIP
OPENING	OUTDOOR AIR	RACK	HVAC UNIT
PANEL	HOOD TOP
	SCREEN		ECONOMIZER
	RETAINER	UNIT BASE
		UNIT BASE

SEAL STRIP

ASSEMBLED

EXHAUST HOOD

OUTDOOR AIR

HOOD SIDES

OUTDOOR AIR
INLET	ECONOMIZER REAR
SCREENS	FLANGE

Fig. 28 — Rear EconoMi$er Flange Installation

Fig. 26 — Outdoor-Air Hood Assembly

WIRING

HARNESS

OUTDOOR

AIR

BLOCK-OFF

PLATE

Fig. 27 — Completed Hood Assembly

Fig. 29 — EconoMi$er Installed

LEGEND

OAT — Outdoor-Air Thermostat

Fig. 30 — EconoMi$er Wiring

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Carrier 48HJD005-007 specifications Rear EconoMi$er Flange Installation, Outdoor-Air Hood Assembly, Completed Hood Assembly

Contents

CONTENTS SAFETY CONSIDERATIONSINSTALLATION Step 1 - Provide Unit SupportFig. 1 - Roof Curb Details 1′-4″Fig. 2 - Unit Leveling Tolerances Fig. 3 - Condensate Drain PanStep 7 - Make Electrical Connections Table 1 - Physical Data Table 1 - Physical Data cont 1/2″ Fig. 5 - Base Unit Dimensions - 48HJ004-0073/4″ Step 8 - Adjust Factory-Installed Options Fig. 7 - Gas Piping Guide With AccessoryThru-the-Curb Service Connections Fig. 6 - Flue Hood DetailsFig. 10 - Field Control Wiring Raceway Fig. 8 - Power Wiring ConnectionsFig. 9 - Low-Voltage Connections With or Without Economizer age is greater than 2%. Use the following formula to determine Never operate a motor where a phase imbalance in supply voltthe percent of voltage imbalance Table 2C - 48HJ High-Static Motor Units Without Electrical Convenience Outlet Fig. 11 - Accessory Field-Installed Humidistat 208/230-V Unit ShownFig. 13 - Typical Access Panel Locations Fig. 15 - Durablade Economizer Installed in UnitFig. 16 - Horizontal Durablade Economizer Installation Fig. 14 - Outdoor-Air Hood DetailsWiring Harness Fig. 19A - Durablade Economizer Damper Minimum Position SettingFig. 19B - Durablade Economizer Minimum Position Damper Setting Fig. 20 - Outdoor-Air Thermostat Enthalpy Control InstallationRelief Damper Characteristics Fig. 24 - Typical Access Panel LocationsFig. 25 - Exhaust Air Hood Assembly Fig. 22 - Durablade Economizer BarometricFig. 28 - Rear EconoMi$er Flange Installation Fig. 26 - Outdoor-Air Hood AssemblyFig. 27 - Completed Hood Assembly Fig. 29 - EconoMi$er InstalledFig. 31 - EconoMi$er Sensor Wiring Fig. 33 - Typical Access Panel LocationsFig. 32 - Wiring Diagram for Power Exhaust System POWER EXHAUST SYSTEM HIGH VOLTAGEFig. 34 - Supply-Air Sensor Placement Table 4 - Default Potentiometer SettingsFig. 35 - EconoMi$er Control Adjustment Potentiometers Factory SettingsFig. 38 - Evaporator-Fan Pulley Adjustment Step 9 - Adjust Evaporator-Fan Speed - AdFig. 37 - Belt-Drive Motor Mounting Table 6 - Evaporator-Fan Motor Data - Standard Motor Table 5A - 48HJ Fan Rpm at Motor Pulley Setting With Standard MotorTable 7 - Evaporator-Fan Motor Data - High-Static Motors Table 9 - Outdoor Sound Power Total Unit Table 8 - Motor Nominal HorsepowerBels Table 12 - 48HJ005 Fan Performance - Vertical Discharge Units With Standard Motor Single-Phase Units 3-Phase UnitsTable 16 - 48HJ007 Fan Performance - Vertical Discharge Units With Standard Motor Table 18 - 48HJ004 Fan Performance - Horizontal Discharge Units With Standard Motor Table 20 - 48HJ005 Fan Performance - Horizontal Discharge Units With Standard Motor 3-Phase Units FIOP - Factory-Installed Option Table 26 - Economizer Static Pressure Drop in. wgTable 27 - FIOP MoistureMiser Dehumidification Package Static Pressure Drop in. wgPRE-START-UP START-UPOperating Sequence HeatingTable 28 - Altitude Compensation When the supply-air temperature falls between 57 F and Fig. 39 - MoistureMiser Option Operation SERVICE LubricationFig. 40 - Cleaning Condenser Coil Fig. 41 - Propping Up Top Panel Fig. 42 - Separating Coil SectionsFig. 44 - Cooling Charging Chart Standard 48HJ004 Fig. 43 - Condenser-Fan AdjustmentFig. 45 - Cooling Charging Chart Standard 48HJ005 Fig. 46 - Cooling Charging Chart Standard 48HJ006 Fig. 47 - Cooling Charging Chart Standard 48HJ007Fig. 48 - Cooling Charging Chart, 48HJ004 with Optional MoistureMiser Dehumidification Package Table 29 - LED Error Code Description Fig. 52 - Burner Section Details Fig. 53 - Burner Tray DetailsFig. 54 - Spark Gap Adjustment LOW HEAT 48HJE004, 48HJD005-007 - 72,000 BTUH INPUTMEDIUM AND HIGH HEAT 48HJE005-007, 48HJF004 - 115,000 BTUH INPUT 48HJF005-007 - 150,000 BTUH INPUTTROUBLESHOOTING Table 30 - LED Error Code Service AnalysisTable 31 - Heating Service Analysis Table 32 - Durablade Economizer Service AnalysisTable 33 - EconoMi$er Flash Code Identification Table 34 - EconoMi$er TroubleshootingCritical Table 35 - MoistureMiser Dehumidification Subcooler Service Analysis Table 36 - Cooling Service Analysis Compressor operates continuouslyFig. 55 - Typical Wiring Schematic and Component Arrangement 208/230 3-Phase Unit ShownLEGEND AND NOTES FOR FIG NOTES FOR FIGReplaces 48HJ-17SI Page START-UP CHECKLIST Remove and Store in Job File I. PRELIMINARY INFORMATIONII. PRE-START-UP insert checkmark in box as each item is completed III. START-UP