Bryant 581A/B manual Physical Data 581B036-072, Unit Size 581B, Nominal Capacity

PHYSICAL DATA — 581B036-072

UNIT SIZE 581B		036			048			060	072
NOMINAL CAPACITY		3			4			5	6
OPERATING WEIGHT (lb)
Unit		530			540			560	635
With EconoMi$er IV		580			590			610	685
With EconoMi$er2		576			586			606	681
With Perfect Humidity™ Dehumidification Package		548			558			578	653
Vertical Power Exhaust		50			50			50	50
Horizontal Power Exhaust		30			30			30	30
Roof Curb		115			115			115	115
COMPRESSOR								Scroll
Quantity		1			1			1	1
Oil (oz)		42			53			50	60
REFRIGERANT TYPE								R-22
Operating Charge (lb-oz)
Standard Unit		5-8			10-2			10- 0	12-8
Unit With Perfect Humidity Dehumidification Package		9-0			15-8			17-0	21-0
CONDENSER FAN							Propeller				581B036
CONDENSER COIL		1...22		3/8-	in. OD Enhanced Copper			Tubes, Aluminum Lanced Fins	1...22
Quantity...Diameter (in.)					1...22			1...22
Nominal Cfm		3500			3500			4100	4100
Motor Hp...Rpm		1/ ...825			1/ ...825			1/ ...1100	1/ ...1100
Watts Input (Total)		4			4			4	4
		180			180			320	320
											-150
Standard Unit
Rows...Fins/in.		1...17			2...17			2...17	2...17
Total Face Area (sq ft)		14.6			16.5			16.5	16.5
Unit with Perfect Humidity Dehumidification Package
Rows...Fins/in.		1...17			1...17			1...17	1...17
Total Face Area (sq ft)		3.9			3.9			3.9	3.9
EVAPORATOR COIL		3/ -in. OD Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol™ Metering Device
		8
Rows...Fins/in.		2...15			2...15			4...15	4...15
Total Face Area (sq ft)		5.5			5.5			5.5	5.5
EVAPORATOR FAN						Centrifugal Type, Belt Drive
Quantity...Size (in.)		1...10 x 10			1...10 x 10			1...10 x 10	1...10 x 10
Nominal Cfm		1200			1600			2000	2400
Maximum Continuous Bhp	Std	1.20			1.20			1.30/2.40*	2.40
	Hi-Static	2.40			2.40			2.90	2.90
Motor Frame Size	Std	48			48			48/56*	56
	Hi-Static	56			56			56	56
Fan Rpm Range	Std	680-1044			770-1185			1035-1460	1119-1585
Motor Bearing Type	Hi-Static	1075-1455			1075-1455			1300-1685	1300-1685
		Ball			Ball			Ball	Ball
Maximum Fan Rpm		2100			2100			2100	2100
Motor Pulley Pitch Diameter A/B (in.)	Std	1.9/2.9			1.9/2.0			2.4/3.4	2.4/3.4
	Hi-Static	2.8/3.8			2.8/3.8			3.4/4.4	3.4/3.4
Nominal Motor Shaft Diameter (in.)	Std	1/	2		1/	2		5/	5/
	Hi-Static	5/			5/			8	8
			8			8		5/	7/
Fan Pulley Pitch Diameter (in.)	Std							8	8
		4.5			4.0			4.0	3.7
	Hi-Static	4.5			4.5			4.5	4.5
Belt — Type...Length (in.)	Std	1...A...36			1...A...36			1....4...40	1...A...38
Pulley Center Line Distance (in.)	Hi-Static	1...A...39			1...A...39			1...A...40	1...A...40
		10.0-12.4			10.0-12.4			14.7-15.5	14.7-15.5
Speed Change per Full Turn of	Std	65			70			75	95
Movable Pulley Flange (rpm)	Hi-Static	65			65			60	60
Movable Pulley Maximum Full	Std	5			5			6	5
Turns from Closed Position	Hi-Static	6			6			5	5
Factory Setting — Full Turns Open	Std	3			3			3	3
	Hi-Static	31/			31/			31/	31/	2
Factory Speed Setting (rpm)	Std		2			2		2
		826			936			1248	1305
Fan Shaft Diameter at Pulley (in.)	Hi-Static	1233			1233			1396	1396
		5/	8		5/	8		5/	5/
								8	8

LEGEND

Bhp — Brake Horsepower

*Single phase/three phase. †Indicates automatic reset.

**60,000 and 72,000 Btuh heat input units have 2 burners. 90,000 and 120,000 Btuh heat input units have 3 burners. 115,000 Btuh heat input units and 150,000 Btuh Heat input units have 3 burners.

††An LP kit is available as an accessory.

California compliant three-phase models.

***California SCAQMD compliant low NOx models have combustion products that are controlled to 40 nanograms per joule or less.

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