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
34
56
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
1111
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
5565
Hi-Static
6655
Factory Setting — Full Turns Open Std
3333
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
