Roof Curb Details, 1′-4″ | Carrier 48HJD005-007 specification

1′-4″

	UNIT SIZE	B	C	D ALT	“E”	“F”	“G”		CONNECTOR
	UNIT SIZE	B	C	DRAIN HOLE	GAS	POWER	CONTROL		PKG. ACCY.
				DRAIN HOLE	GAS	POWER	CONTROL		PKG. ACCY.
					3 ″	3/4″ [19] NPT	1	″	CRBTMPWR001A00
					/4		/2
		1′-911/16″	1′-4″	13/4″	[19] NPT	11/4″ [31.7]	[12.7] NPT		CRBTMPWR002A00
	48HJD004-007	1′-911/16″	1′-4″	13/4″	1/2″	3/4″ [19] NPT			CRBTMPWR003A00
	50HJF004-007	[551]	[406]	[44.5]	[12.7] NPT	3/4″ [19] NPT	1/2″		CRBTMPWR003A00
					3/4″	11/4″ [31.7]	[12.7] NPT		CRBTMPWR004A00
					[19] NPT	11/4″ [31.7]			CRBTMPWR004A00
					[19] NPT

ROOF CURB

“A”

UNIT SIZE

ACCESSORY

48/50HJ

CRRFCURB001A00

1′-2″[356]

004-007

CRRFCURB002A00

2′-0″[610]

NOTES:

1.Roof curb accessory is shipped disassembled.

2.Insulated panels.

3. Dimensions in [ ] are in millimeters.

4.Roof curb: galvanized steel.

5.Attach ductwork to curb (flanges of duct rest on curb).

6. Service clearance 4 ft on each side.

7. Direction of airflow.

8.Connector packages CRBTMPWR001A00 and 002A00 are for thru-the-curb connec- tions. Packages CRBTMP003A00 and 004A00 are for thru-the-bottom connections.

2

Fig. 1 — Roof Curb Details

Image 2

Carrier 48HJD005-007 specifications Roof Curb Details, 1′-4″

Contents

INSTALLATION CONTENTSSAFETY CONSIDERATIONS Step 1 - Provide Unit Support Fig. 1 - Roof Curb Details 1′-4″ Fig. 2 - Unit Leveling Tolerances Fig. 3 - Condensate Drain Pan Step 7 - Make Electrical Connections Table 1 - Physical Data Table 1 - Physical Data cont 3/4″ Fig. 5 - Base Unit Dimensions - 48HJ004-0071/2″ Thru-the-Curb Service Connections Step 8 - Adjust Factory-Installed OptionsFig. 7 - Gas Piping Guide With Accessory Fig. 6 - Flue Hood Details Fig. 9 - Low-Voltage Connections With or Without Economizer Fig. 8 - Power Wiring ConnectionsFig. 10 - Field Control Wiring Raceway the percent of voltage imbalance Never operate a motor where a phase imbalance in supply voltage is greater than 2%. Use the following formula to determine Table 2C - 48HJ High-Static Motor Units Without Electrical Convenience Outlet Fig. 11 - Accessory Field-Installed Humidistat 208/230-V Unit Shown Fig. 16 - Horizontal Durablade Economizer Installation Fig. 13 - Typical Access Panel LocationsFig. 15 - Durablade Economizer Installed in Unit Fig. 14 - Outdoor-Air Hood Details Fig. 19B - Durablade Economizer Minimum Position Damper Setting Wiring HarnessFig. 19A - Durablade Economizer Damper Minimum Position Setting Fig. 20 - Outdoor-Air Thermostat Enthalpy Control Installation Fig. 25 - Exhaust Air Hood Assembly Relief Damper CharacteristicsFig. 24 - Typical Access Panel Locations Fig. 22 - Durablade Economizer Barometric Fig. 27 - Completed Hood Assembly Fig. 28 - Rear EconoMi$er Flange InstallationFig. 26 - Outdoor-Air Hood Assembly Fig. 29 - EconoMi$er Installed Fig. 32 - Wiring Diagram for Power Exhaust System Fig. 31 - EconoMi$er Sensor WiringFig. 33 - Typical Access Panel Locations POWER EXHAUST SYSTEM HIGH VOLTAGE Fig. 35 - EconoMi$er Control Adjustment Fig. 34 - Supply-Air Sensor PlacementTable 4 - Default Potentiometer Settings Potentiometers Factory Settings Fig. 37 - Belt-Drive Motor Mounting Step 9 - Adjust Evaporator-Fan Speed - AdFig. 38 - Evaporator-Fan Pulley Adjustment Table 7 - Evaporator-Fan Motor Data - High-Static Motors Table 5A - 48HJ Fan Rpm at Motor Pulley Setting With Standard MotorTable 6 - Evaporator-Fan Motor Data - Standard Motor Bels Table 8 - Motor Nominal HorsepowerTable 9 - Outdoor Sound Power Total Unit Table 12 - 48HJ005 Fan Performance - Vertical Discharge Units With Standard Motor Single-Phase Units 3-Phase Units Table 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 Table 27 - FIOP MoistureMiser Dehumidification FIOP - Factory-Installed OptionTable 26 - Economizer Static Pressure Drop in. wg Package Static Pressure Drop in. wg PRE-START-UP START-UP Table 28 - Altitude Compensation HeatingOperating Sequence When the supply-air temperature falls between 57 F and Fig. 39 - MoistureMiser Option Operation Fig. 40 - Cleaning Condenser Coil Fig. 41 - Propping Up Top Panel SERVICELubrication Fig. 42 - Separating Coil Sections Fig. 45 - Cooling Charging Chart Standard 48HJ005 Fig. 43 - Condenser-Fan AdjustmentFig. 44 - Cooling Charging Chart Standard 48HJ004 Fig. 46 - Cooling Charging Chart Standard 48HJ006 Fig. 47 - Cooling Charging Chart Standard 48HJ007 Fig. 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 Details MEDIUM AND HIGH HEAT 48HJE005-007, 48HJF004 - 115,000 BTUH INPUT Fig. 54 - Spark Gap AdjustmentLOW HEAT 48HJE004, 48HJD005-007 - 72,000 BTUH INPUT 48HJF005-007 - 150,000 BTUH INPUT TROUBLESHOOTING Table 30 - LED Error Code Service Analysis Table 31 - Heating Service Analysis Table 32 - Durablade Economizer Service Analysis Critical Table 34 - EconoMi$er TroubleshootingTable 33 - EconoMi$er Flash Code Identification Table 35 - MoistureMiser Dehumidification Subcooler Service Analysis Table 36 - Cooling Service Analysis Compressor operates continuously Fig. 55 - Typical Wiring Schematic and Component Arrangement 208/230 3-Phase Unit Shown LEGEND AND NOTES FOR FIG NOTES FOR FIG Replaces 48HJ-17SI Page II. PRE-START-UP insert checkmark in box as each item is completed START-UP CHECKLIST Remove and Store in Job FileI. PRELIMINARY INFORMATION III. START-UP