Bryant 581B036--072, 581C024--060 installation instructions Physical Data 581B, Base Unit 581B

Table 1—Physical Data 581B

BASE UNIT 581B		036		048	060	072
NOMINAL CAPACITY (tons)		3		4	5	6
OPERATING WEIGHT (lb)
Unit		530		540	560	635
Perfect Humidity™ Adaptive Dehumidification System		15		23	25	29
EconoMi$er IV		50		50	50	50
Roof Curb		115		115	115	115
COMPRESSOR				Scroll
Quantity		1		1	1	1
Oil (oz)		42		53	50	60
REFRIGERANT TYPE				R-22
Expansion Device				Acutrol™ Metering Device
Operating Charge (lb-oz)
Standard Unit		5-8		10-2	10-0	12- 8
Unit With Perfect Humidity Adaptive Dehumidification System		12-5		18-8	20-5	23-14
CONDENSER FAN				Propeller
Quantity...Diameter (in.)		1...22		1...22	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
CONDENSER COIL			3/8---in. OD Enhanced Copper Tubes, Aluminum Lanced Fins
Rows...Fins/in.		1...17		2...17	2...17	2...17
Total Face Area (sq ft)		14.6		16.5	16.5	21.3
EVAPORATOR COIL		3/8---in. OD Enhanced Copper Tubes, Aluminum Double-Wavy Fins
Standard Unit
Rows...Fins/in.		2...15		2...15	4...15	4...15
Total Face Area (sq ft)		5.5		5.5	5.5	7.3
Unit with Perfect Humidity Adaptive Dehumidification System
Rows...Fins/in.		1...17		2...17	2...17	2...17
Total Face Area (sq ft)		3.9		3.9	3.9	5.2
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	Std	1200		1600	2000	2400
Maximum Continuous Bhp		1.20		1.20	1.30/2.40*	2.40
	Hi-Static	2.40		2.40	2.90	2.90
Motor RPM	Std	1620		1620	1725	1725
	Hi-Static	1725		1725	1725	1725
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	Std	2100		2100	2100	2100
Motor Pulley Pitch Diameter A/B (in.)		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	5/8	5/8
	Hi-Static	5/8		5/8	5/8	7/8
Fan Pulley Pitch Diameter (in.)	Std	4.5		4.0	4.0	4.0
	Hi-Static	4.5		4.0	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
	Std	10.0-12.4		10.0-12.4	14.7-15.5	14.7-15.5
Speed Change per Full Turn of		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	31/2		31/2	31/2	31/2
Factory Speed Setting (rpm)	Std	826		936	1248	1305
Fan Shaft Diameter at Pulley (in.)	Hi-Static	1233		1233	1396	1396
		5/8		5/8	5/8	5/8

LEGEND

Bhp — Brake Horsepower

581B,C

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