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Carrier 48SX024-060, 48SS018-060 user manual REQD CLEARANCES FOR SERVICING. in. mm

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	357	163	110/50	56/25	136/62	55/25
48SX024060	208/230-1-60	369	168	113/51	59/27	139/63	58/26
48SX030040	208/230-1-60	360	164	103/47	72/33	124/56	61/28
48SX030060/080	208/230-1-60	372	169	106/48	75/34	127/58	64/29
48SX036060/080	208/230-1-60, 208/230-3-60, 460-3-60	390	177	100/45	90/41	123/56	77/35
48SX036100/120	208/230-1-60, 208/230-3-60, 460-3-60	402	183	103/47	93/42	127/57	80/36

	UNIT	CENTER OF GRAVITY (in./mm)
	UNIT	X	Y	Z
		X	Y	Z
	48SX024040	26.57/674.9	20.17/512.3	14.96/380.0
	48SX024060	26.51/673.3	20.22/513.6	14.96/380.0
	48SX030040	26.90/683.3	21.09/535.7	14.96/380.0
	48SX030060/080	26.83/681.5	21.11/536.2	14.96/380.0
	48SX036060/080	26.99/685.5	21.14/537.0	14.96/380.0
	48SX036100/120	26.92/683.8	21.14/537.0	14.96/380.0

		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. 7 Ð 48SX024-036 With Optional Base Rail, Unit Dimensions

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Image 7

Carrier 48SX024-060, 48SS018-060 user manual REQD CLEARANCES FOR SERVICING. in. mm

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 SupportPART NUMBER Fig. 10 Ð Roof Curb DimensionsCURB 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-UPSTART-UP Start Up Heating Section and Make AdjustmentsFig. 23 Ð Fan Blade Clearance 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 EVAPORATOR AIRFLOW AND AIRFLOW ADJUSTMENTS CHECKING AND ADJUSTING REFRIGERANT CHARGEa.Outdoor ambient-airtemperature F db b.Evaporator inlet-airtemperature F wbTable 8B Ð Superheat Charging Table, 48SS024 Table 8A Ð Superheat Charging Table, 48SS018Table 8D Ð Superheat Charging Table, 48SS036 Table 8C Ð Superheat Charging Table, 48SS030Table 8E Ð Superheat Charging Table, 48SS042 Table 8H Ð Superheat Charging Table, 48SS060 Table 9B Ð Superheat Charging Table, 48SX030 Table 9A Ð Superheat Charging Table, 48SX024Table 9C Ð Superheat Charging Table, 48SX036 Table 9E Ð Superheat Charging Table, 48SX048 Table 9D Ð Superheat Charging Table, 48SX042Table 9F Ð Superheat Charging Table, 48SX060 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. 36 Ð Removal of Motor and Blower Wheel Fig. 35 Ð Burner Access PanelFig. 37 Ð Burner Rack Removed Condenser Fan Condenser Coil, Evaporator Coil, and CondenCooling TROUBLESHOOTINGHeating Cooling contLED Troubleshooting Ð Error Code SERVICE TRAININGCALL FOR FREE CATALOG Page III. START-UP TEMPERATURESRemove and Store in Job File I. PRELIMINARY INFORMATION