Bryant 581B PHYSICAL DATA cont, OPERATING WEIGHT lb, Compressor, Scroll, Refrigerant Type, R-22

PHYSICAL DATA (cont)

UNIT SIZE 581B		090		102	120	150
NOMINAL CAPACITY (tons)		71/2		81/2	10	121/2
OPERATING WEIGHT (lb)
Unit		870		880	1035	1050
With Durablade Economizer		914		924	1079	1094
With EconoMi$er		932		942	1097	1112
With Perfect Humidity™ Dehumidification Package		899		909	1068	1083
Roof Curb*		143		143	143	143
COMPRESSOR				Scroll
Quantity		2		2	2	2
Oil (oz) (each compressor)		53		53	50	60
REFRIGERANT TYPE				R-22
Operating Charge (lb-oz)
Standard Unit
Circuit 1		7-10		7-14	9-10	9-8
Circuit 2		8- 2		8- 5	10-10	9-5
Unit With Perfect Humidity Dehumidification
Package
Circuit 1		10-10		10-11	13- 0	12-6
Circuit 2		12- 8		10-10	13- 5	12-2
CONDENSER FAN				Propeller
Quantity...Diameter (in.)		2...22		2...22	2...22	2...22
Nominal Cfm		6500		6500	7000	7000
Motor Hp...Rpm		1/4...1100		1/4...1100	1/4...1100	1/4...1100
Watts Input (Total)		650		650	650	650
CONDENSER COIL			Enhanced Copper Tubes, Aluminum Lanced Fins
Standard Unit
Rows...Fins/in.		2...17		2...17	2...17	2...17
Total Face Area (sq ft)		20.5		20.5	25.0	25.0
Unit with Perfect Humidity Dehumidification
Package
Rows...Fins/in.		1...17		1...17	1...17	1...17
Total Face Area (sq ft)		6.3		6.3	8.4	8.4
EVAPORATOR FAN				Centrifugal
Size (in.)		15 x 15		15 x 15	15 x 15	15 x 15
Type Drive		Belt		Belt	Belt	Belt
Nominal Cfm		3000		3400	4000	5000
Maximum Continuous Bhp	Std	2.90		2.90	3.70	5.25
Motor Frame	Hi-Static	4.20		4.20	5.25	—
		56		56	56	56
Fan Rpm Range	Std	840-1085		840-1085	860-1080	900-1260
Motor Bearing Type	Hi-Static	860-1080		860-1080	830-1130	—
		Ball		Ball	Ball	Ball
Maximum Fan Rpm		2100		2100	2100	2100
Motor Pulley Pitch Diameter	Std	3.4/4.4		3.4/4.4	4.0/5.0	2.8/3.8
A/B (in.)	Hi-Static	4.0/5.0		4.0/5.0	2.8/3.8	—
Nominal Motor Shaft Diameter (in.)	Std	7/8		7/8	7/8	7/8
Fan Pulley Pitch Diameter (in.)		7.0		7.0	8.0	5.8
	Hi-Static	8.0		8.0	5.8	—
Belt — Type...Length (in.)	Std	A...51		A...51	A...51	BX...46
Pulley Center Line Distance (in.)	Hi-Static	A...55		A...55	BX...46	—
		16.75-19.25		16.75-19.25	15.85-17.50	15.85-17.50
Speed Change per Full Turn of	Std	50		50	45	60
Movable Pulley Flange (rpm)	Hi-Static	60		60	60	—
Movable Pulley Maximum Full	Std	5		5	5	6
Turns from Closed Position	Hi-Static	5		5	6	—
Factory Setting — Full Turns Open	Std	5		5	5	5
	Hi-Static	5		5	5	—
Factory Speed Setting (rpm)	Std	840		840	860	960
Fan Shaft Diameter at Pulley (in.)	Hi-Static	860		860	890	—
		1		1	1	1
EVAPORATOR COIL			Enhanced Copper Tubes, Aluminum Double-Wavy Fins
Rows...Fins/in.		3...15		3...15	4...15	4...15
Total Face Area (sq ft)		8.9		8.9	11.1	11.1

LEGEND

Bhp — Brake Horsepower

*Weight of 14-in. roof curb.

†Rollout switch lockout is manually reset by interrupting power to unit or resetting thermostat.

NOTE: High-static motor not available on size 150 units.

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