Bryant 549C manual PHYSICAL DATA — 549B090-120, Scroll, R-22, Enhanced Copper Tubes, Propeller

PHYSICAL DATA — 549B090-120

	BASE UNIT 549B		090		102		120
	NOMINAL CAPACITY (tons)		71/2		81/2		10
	OPERATING WEIGHT (lb)
	Unit		870		1000		1000
	EconoMi$erIV		75		75		75
	Roof Curb		223		223		223
	COMPRESSOR				Scroll
	Quantity		2		2		2
	Oil (oz) (each compr)		57		70		57
	REFRIGERANT TYPE				R-22
	Operating Charge (lb)		9.5		11.0		10.7
	Circuit 1
	Circuit 2		9.5		11.0		10.8
	OUTDOOR COIL		Enhanced Copper Tubes,		Aluminum Fins, Fixed Orifice Metering Device
	Rows...Fins/in.		2...17		2...17		2...17
	Total Face Area (sq ft)		20.5		25.1		25.1
	OUTDOOR FAN				Propeller
	Quantity...Diameter (in.)		2...22		2...22		2...22
	Nominal Cfm		6500		6500		6500
	Motor Hp...Rpm		1/4...1100		1/4...1100		1/4...1100
	INDOOR COIL		Enhanced Copper		Tubes, Aluminum	Double-Wavy Fins,
				Fixed Orifice Metering Device
	Rows...Fins/in.		3...15		4...15		4...15
	Total Face Area (sq ft)		8.9		11.1		11.1
	INDOOR FAN				Centrifugal Type
	Quantity...Size (in.)	Standard	1...15 x 15		1...15 x 15		1...15 x 15
	Type Drive	High-Static	1...15 x 15		1...15 x 15		1...15 x 15
		Standard	Belt		Belt		Belt
	Nominal Cfm	High-Static	Belt		Belt		Belt
		Standard	3000		3400		4000
	Maximum Continuous Bhp		2.90		2.90		3.70
	Motor Frame Size	High-Static	3.70		3.70		5.25
		Standard	56		56		56
		High-Static	56		56		56
	Nominal Rpm	Standard	1725		1725		1725
	Fan Rpm Range	High-Static	1725		1725		1725
549C		Standard	730-950		840-1085		860-1080
	Motor Bearing Type	High-Static	860-1080		860-1080		922-1219
			Ball		Ball		Ball
549B,	Maximum Allowable Rpm	Standard	2100		2100		2100
	Motor Pulley Pitch Diameter Min/Max (in.)		3.4/4.4		3.4/4.4		4.0/5.0
	Nominal Motor Shaft Diameter (in.)	High-Static	4.0/5.0		4.0/5.0		3.1/4.1
		Standard	7/8		7/8		7/8
		High-Static	7/8		7/8		7/8
	Fan Pulley Pitch Diameter (in.)	Standard	8.0		7.0		8.0
	Belt, Quantity...Type...Length (in.)	High-Static	8.0		8.0		5.8
		Standard	1...A...51		1...A...51		1...A...53
		High-Static	1...A...53		1...A...53		1...BX...48
	Pulley Center Line Distance (in.)	Standard	16.75-19.25		16.75-19.25		15.85-17.50
		High-Static	16.75-19.25		16.75-19.25		15.85-17.50
	Speed Change per Full Turn of	Standard	45		45		45
	Movable Pulley Flange (rpm)	High-Static	45		45		60
	Movable Pulley Maximum Full	Standard	5		5		5
	Turns from Closed Position	High-Static	5		5		6
	Factory Setting	Standard	5		5		5
	Factory Speed Setting (rpm)	High-Static	5		5		5
		Standard	730		840		860
	Fan Shaft Diameter at Pulley (in.)	High-Static	860		860		972
			1		1		1
	HIGH-PRESSURE SWITCH (psig)
	Standard Compressor Internal Relief			625
	Cutout			428
	Reset (Auto.)			320
	LOSS-OF-CHARGE/LOW-PRESSURE SWITCH (Liquid Line) (psig)
	Cutout			7 ± 3
	Reset (Auto.)			22 ± 5
	FREEZE PROTECTION THERMOSTAT
	Opens (F)			30
	Closes (F)			45
	OUTDOOR-AIR INLET SCREENS				Cleanable.
			Screen quantity and size varies with option selected.
	OUTDOOR-AIR INLET SCREENS				Cleanable.
	Quantity...Size (in.)		4...16 x 20 x 2		4...20 x 20 x 2		4...20 x 20 x 2

LEGEND

Bhp — Brake Horsepower

74