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Carrier 48SS018-060, 48SX024-060 user manual Electrical

Models: 48SS018-060

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REQ'D CLEARANCES FOR SERVICING. in. (mm)

Duct panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

Unit top . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 (914)

Side opposite ducts	. .	. 36	(914)
Compressor access	. .	. 36	(914)
(Except for NEC requirements)
REQ'D CLEARANCES TO COMBUSTIBLE MAT'L. in. (mm)

Maximum extension of overhangs . . . . . . . . . . . . . . . 48 (1219)

Unit top . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 (356)

Duct side of unit . . . . . . . . . . . . . . . . . . . . . . . . 2 (51)

Side opposite ducts	. . . . . . 14 (356)
Bottom of unit	. .	. .	. . . . . 0
Flue panel	. .	. .	. . 36 (914)
NEC REQ'D CLEARANCES. in. (mm)
Between units, control box side	. . . . . 42 (1067)
Unit and ungrounded surfaces, control box side . . .	. .	. .	. . 36 (914)
Unit and block or concrete walls and other grounded
surfaces, control box side	. .	. .	. 42 (1067)

	ELECTRICAL	UNIT WEIGHT			CORNER WEIGHT
UNIT	ELECTRICAL	UNIT WEIGHT			(lb/kg)
UNIT	CHARACTERISTICS				(lb/kg)
		lb	kg	A	B	C	D
48SX024040	208/230-1-60	333	151	104/47	50/23	130/59	49/22
48SX024060	208/230-1-60	345	157	107/49	53/24	133/60	52/24
48SX030040	208/230-1-60	336	153	97/44	66/30	118/54	55/25
48SX030060/080	208/230-1-60	348	158	100/45	69/31	121/55	58/26
48SX036060/080	208/230-1-60, 208/230-3-60, 460-3-60	366	166	94/43	84/38	117/53	71/32
48SX036100/120	208/230-1-60, 208/230-3-60, 460-3-60	378	172	97/44	87/40	120/55	74/34

	UNIT	CENTER OF GRAVITY (in./mm)
	UNIT	X	Y	Z
		X	Y	Z
	48SX024040	26.71/678	20.06/510	12.65/321
	48SX024060	26.64/677	20.12/511	12.65/321
	48SX030040	27.06/687	21.05/535	12.65/321
	48SX030060/080	26.98/685	21.07/535	12.65/321
	48SX036060/080	27.14/689	21.10/536	12.65/321
	48SX036100/120	27.06/687	21.12/536	12.65/321

		LEGEND
CG	Ð	Center of Gravity	MAT'L	Ð	Material
COND	Ð Condenser		NEC	Ð National Electrical Code
LV	Ð	Low Voltage	REQ'D	Ð	Required

NOTES:

1.Clearances must be maintained to prevent recirculation of air from outdoor- fan discharge.

2.Adequate clearance around air openings into combustion chamber must be provided.

Fig. 6 Ð 48SX024-036 Without Base Rail, Unit Dimensions

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Image 6

Carrier 48SS018-060, 48SX024-060 user manual Electrical

Contents

Fig. 1 Ð Unit 48SX Shown With Optional Base Rail CONTENTSSAFETY CONSIDERATIONS Installation, Start-Upand Service InstructionsELECTRICAL REQD CLEARANCES FOR SERVICING. in. mm ELECTRICAL REQD CLEARANCES FOR SERVICING. in. mm ELECTRICAL REQD CLEARANCES FOR SERVICING. in. mm ELECTRICAL COND Step 2 Ð Provide Unit Support RECEIVING AND INSTALLATIONStep 1 Ð Check Equipment Step 5 Ð Rig and Place UnitFig. 10 Ð Roof Curb Dimensions PART NUMBERCURB Base Rail Fig. 11 Ð Slab Mounting DetailsFig. 12 Ð Suggested Rigging for Units Without Fig. 13 Ð Suggested Rigging for Units WithStep 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. 18 Ð Vertical Duct Cover Removed Table 3 Ð Maximum Gas Flow CapacityFig. 16 Ð Supply and Return Duct Openings Fig. 17 Ð Lance Location for Vertical DuctStep 10 Ð Install Electrical Connections Fig. 20 Ð Vertical Discharge Cover RemovedTable 4A Ð Electrical Data Ð Unit 48SS Table 4B Ð Electrical Data Ð Unit 48SX Fig. 21 Ð High- and Control-VoltageConnections PRE-START-UP Fig. 22 Ð Easy Select Interface BoardStart Up Heating Section and Make Adjustments START-UPFig. 23 Ð Fan Blade Clearance Fig. 24 Ð Burner Assembly Fig. 25 Ð Monoport Burners Start Up Cooling Section and Make Adjustments Table 7 Ð LED IndicationsPage Page Page Page Page Page Page Page Proceed as follows CHECKING AND ADJUSTING REFRIGERANT CHARGEEVAPORATOR AIRFLOW AND AIRFLOW ADJUSTMENTS 4.Measure and record the followingTable 8A Ð Superheat Charging Table, 48SS018 Table 8B Ð Superheat Charging Table, 48SS024Table 8C Ð Superheat Charging Table, 48SS030 Table 8D Ð Superheat Charging Table, 48SS036Table 8E Ð Superheat Charging Table, 48SS042 Table 8H Ð Superheat Charging Table, 48SS060 Table 9A Ð Superheat Charging Table, 48SX024 Table 9B Ð Superheat Charging Table, 48SX030Table 9C Ð Superheat Charging Table, 48SX036 Table 9D Ð Superheat Charging Table, 48SX042 Table 9E Ð Superheat Charging Table, 48SX048Table 9F Ð Superheat Charging Table, 48SX060 Table 10 Ð Required Suction-TubeTemperature F Deduct 10% from Cfm and Watts for 208 V OperationDeduct 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 MAINTENANCE Table 17 Ð Wet Coil Pressure DropUnit Top Removal Fig. 34 Ð Blower Housing and Flue Collector BoxAir Filter Evaporator Blower and MotorFig. 35 Ð Burner Access Panel Fig. 36 Ð Removal of Motor and Blower WheelFig. 37 Ð Burner Rack Removed Condenser Coil, Evaporator Coil, and Conden Condenser FanTROUBLESHOOTING CoolingCooling cont HeatingSERVICE TRAINING LED Troubleshooting Ð Error CodeCALL FOR FREE CATALOG Page III. START-UP Remove and Store in Job FileI. PRELIMINARY INFORMATION ELECTRICAL