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Carrier 48SX024-060, 48SS018-060 user manual Ð Roof Curb Dimensions, Part Number

Models: 48SS018-060

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PART NUMBER

		PART NUMBER		``A''
	FLAT	CPRFCURB001A00	8	[203]
	FLAT	CPRFCURB002A00	11	[279]
	CURB	CPRFCURB002A00	11	[279]
	CURB	CPRFCURB003A00	14	[356]
		CPRFCURB003A00	14	[356]

NOTES:

1.Roof curb must be set up for unit being installed.

2.Seal strip must be applied as required for unit being installed.

3. Dimensions in [ ] are in millimeters.

4.Roof curb is made of 16 gage steel.

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

6.Service clearance 4 ft on each side.

7. Direction of air¯ow.

8.Insulated panels: 1-in. thick ®berglass 1 lb density.

Fig. 10 Ð Roof Curb Dimensions

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Carrier 48SX024-060, 48SS018-060 user manual Ð Roof Curb Dimensions, Part Number

Contents

Installation, Start-Upand Service Instructions CONTENTSSAFETY CONSIDERATIONS Fig. 1 Ð Unit 48SX Shown With Optional Base RailELECTRICAL REQD CLEARANCES FOR SERVICING. in. mm ELECTRICAL REQD CLEARANCES FOR SERVICING. in. mm ELECTRICAL REQD CLEARANCES FOR SERVICING. in. mm ELECTRICAL COND Step 5 Ð Rig and Place Unit RECEIVING AND INSTALLATIONStep 1 Ð Check Equipment Step 2 Ð Provide Unit SupportCURB Fig. 10 Ð Roof Curb DimensionsPART NUMBER Fig. 13 Ð Suggested Rigging for Units With Fig. 11 Ð Slab Mounting DetailsFig. 12 Ð Suggested Rigging for Units Without Base RailStep 6 Ð Connect Condensate Drain Table 1 Ð Physical Data Ð Unit 48SS Table 2 Ð Physical Data Ð Unit 48SX Fig. 15 Ð Sediment Trap Fig. 17 Ð Lance Location for Vertical Duct Table 3 Ð Maximum Gas Flow CapacityFig. 16 Ð Supply and Return Duct Openings Fig. 18 Ð Vertical Duct Cover RemovedFig. 20 Ð Vertical Discharge Cover Removed Step 10 Ð Install Electrical ConnectionsTable 4A Ð Electrical Data Ð Unit 48SS Table 4B Ð Electrical Data Ð Unit 48SX Fig. 21 Ð High- and Control-VoltageConnections Fig. 22 Ð Easy Select Interface Board PRE-START-UPFig. 23 Ð Fan Blade Clearance Start Up Heating Section and Make AdjustmentsSTART-UP Fig. 24 Ð Burner Assembly Fig. 25 Ð Monoport Burners Table 7 Ð LED Indications Start Up Cooling Section and Make AdjustmentsPage Page Page Page Page Page Page Page 4.Measure and record the following CHECKING AND ADJUSTING REFRIGERANT CHARGEEVAPORATOR AIRFLOW AND AIRFLOW ADJUSTMENTS Proceed as followsTable 8B Ð Superheat Charging Table, 48SS024 Table 8A Ð Superheat Charging Table, 48SS018Table 8E Ð Superheat Charging Table, 48SS042 Table 8C Ð Superheat Charging Table, 48SS030Table 8D Ð Superheat Charging Table, 48SS036 Table 8H Ð Superheat Charging Table, 48SS060 Table 9C Ð Superheat Charging Table, 48SX036 Table 9A Ð Superheat Charging Table, 48SX024Table 9B Ð Superheat Charging Table, 48SX030 Table 9F Ð Superheat Charging Table, 48SX060 Table 9D Ð Superheat Charging Table, 48SX042Table 9E Ð Superheat Charging Table, 48SX048 Deduct 10% from Cfm and Watts for 208 V Operation Table 10 Ð Required Suction-TubeTemperature FDeduct 10% from Cfm and Watts for 208 V Operation Deduct 10% from Cfm and Watts for 208 V OperationDeduct 10% from Cfm and Watts for 208 V Operation Table 17 Ð Wet Coil Pressure Drop MAINTENANCEEvaporator Blower and Motor Fig. 34 Ð Blower Housing and Flue Collector BoxAir Filter Unit Top RemovalFig. 37 Ð Burner Rack Removed Fig. 35 Ð Burner Access PanelFig. 36 Ð Removal of Motor and Blower Wheel Condenser Fan Condenser Coil, Evaporator Coil, and CondenCooling TROUBLESHOOTINGHeating Cooling contCALL FOR FREE CATALOG SERVICE TRAININGLED Troubleshooting Ð Error Code Page ELECTRICAL Remove and Store in Job FileI. PRELIMINARY INFORMATION III. START-UP