Carrier 50SX024-060, 50SS018-060 owner manual Part Number, ``A, Curb

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		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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Contents Contents Safety ConsiderationsUnit Dimensions Units 50SS018-042 with Optional Base Rail Dimensions Units 50SS048,060 Without Base Rail Dimensions Units 50SS048,060 With Optional Base Rail Dimensions Units 50SX024-036 Without Base Rail Dimensions Units 50SX024-036 With Optional Base Rail Dimensions Units 50SX042-060 Without Base Rail Characteristics Cond ÐMatl Unit Electrical Unit WTDimensions Units 50SX042-060 With Optional Base Rail Corner WT Lb/Kg 50SX Part Number ``ACurb Receiving and Installation Check EquipmentProvide Unit Support Suggested Rigging for Units Without Base Rail Physical Data Ð Unit 50SS Physical Data Ð Unit 50SXArea Not To Be Drilled SizeEvaporator Coil Access Panel Indoor Blower Access Panel Field-Fabricated Duct Cover Provide for Condensate Disposal Filler Bracket and Blower ShelfInstall Electrical Connections Condensate TrapÐ Electrical Data Ð 50SS Units Ð Electrical Data Ð 50SX Units Typical Duct Panel Knockouts CTD ICMIFO PRE-START-UP TranStart-Up Cooling Section and Make Adjustments START-UPÐ Superheat Charging Table, 50SS018 Ð Superheat Charging Table, 50SS024Temp F Evap AIR Ð CFM AIR ENTÐ Superheat Charging Table, 50SS030 Ð Superheat Charging Table, 50SS036Ð Superheat Charging Table, 50SS042 10001600 Ð Superheat Charging Table, 50SX024 Ð Superheat Charging Table, 50SX0301995 Ð Superheat Charging Table, 50SX036 Ð Superheat Charging Table, 50SX042Ð Superheat Charging Table, 50SX048 1200Required Suction-Tube Temperature F Ð Superheat Charging Table, 50SX060Superheat Temp FMode FAN Cooling Heating TerminalOption Description Sequence of Operation Ð STD NON-ICM Units Unit Motor 460 V Horizontal Discharge Size SpeedUnit Motor AIR 460 Volt Horizontal Discharge Unit Motor AIR 460 Volt Vertical Discharge Size Speed Delivery048² Unit 50SX FAN only CoolingAccessory Electric Heater Pressure Drop in. wg Wet Coil Pressure DropFilter Pressure Drop in. wg Maintenance Air FilterUnit Top Removal Evaporator Blower and MotorCondenser Coil, Evaporator Coil, and Conden Condenser FanTroubleshooting Cooling Chart Symptom Cause RemedyTroubleshooting Cooling Chart Page Page Packaged Service Training Page Remove and Store in Job File Preliminary InformationIII. START-UP