9physical data – Bryant COMMERCIAL SINGLE PACKAGE ROOFTOP GAS HEAT/ELECTRIC COOLING 581B User Manual
Page 9
9
PHYSICAL DATA
LEGEND
*Single phase/three phase.
†Indicates automatic reset.
**581B 072 unit size 036-072 (72,000 Btu heat input) have 2 burners.
581B 115 unit size 036-072 (115,000 Btu heat input) have 3 burners.
581B 150 unit size 048-072 (150,000 Btu heat input) have 3 burners.
††An LP kit is available as an accessory.
llCalifornia compliant three-phase models.
***Three-phase standard models have heating inputs as shown. Single-
phase standard models have one-stage heating with heating input values
as follows:
581BJV036-060072, 72,000 Btuh
581BJV036-060115, 115,000 Btuh
581BJV048-060150, 150,000 Btuh
†††California SCAQMD compliant Low NO
x
models have combustion prod-
ucts that are controlled to 40 nanograms per joule or less.
UNIT SIZE 581B
036
048
060
072
NOMINAL CAPACITY
3
4
5
6
OPERATING WEIGHT (lb)
Unit
530
540
560
615
With Durablade Economizer
564
574
594
649
With EconoMi$er
577
587
607
662
With Perfect Humidity™ Dehumidification Package
548
558
578
633
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
8-6
10- 0
9-10
Unit With Perfect Humidity Dehumidification Package
8-13
11-2
12-13
13- 6
CONDENSER FAN
Propeller
Quantity...Diameter (in.)
1...22
1...22
1...22
1...22
Nominal Cfm
3500
3500
4100
4100
Motor Hp...Rpm
1
/
4
...825
1
/
4
...825
1
/
4
...1100
1
/
4
...1100
Watts Input (Total)
180
180
320
320
CONDENSER COIL
Enhanced Copper Tubes, Aluminum Lanced Fins
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 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
760-1090
840-1185
1020-1460/1120-1585*
1120-1585
Hi-Static
1075-1455
1075-1455
1300-1685
1300-1685
Motor Bearing Type
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
/
8
5
/
8
Hi-Static
5
/
8
5
/
8
5
/
8
5
/
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...33
1...A...33
1....4...40
1...A...38
Hi-Static
1...A...39
1...A...39
1...A...40
1...A...40
Pulley Center Line Distance (in.)
10.0-12.4
10.0-12.4
14.7-15.5
14.7-15.5
Speed Change per Full Turn of
Movable Pulley Flange (rpm)
Std
65
70
75
95
Hi-Static
65
65
60
60
Movable Pulley Maximum Full
Turns from Closed Position
Std
5
5
6
5
Hi-Static
6
6
5
5
Factory Setting — Full Turns Open
Std
3
3
3
3
Hi-Static
3
1
/
2
3
1
/
2
3
1
/
2
3
1
/
2
Factory Speed Setting (rpm)
Std
890
980
1240
1304
Hi-Static
1233
1233
1396
1396
Fan Shaft Diameter at Pulley (in.)
5
/
8
5
/
8
5
/
8
5
/
8
EVAPORATOR COIL
Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Fixed Orifice Metering Device
Rows...Fins/in.
2...15
2...15
4...15
4...15
Total Face Area (sq ft)
5.5
5.5
5.5
5.5
Bhp — Brake Horsepower