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PHYSICAL DATA — 581C
LEGEND
UNIT SIZE 581C
024 036 048 060
NOMINAL CAPACITY (tons)
2 3 4 5
OPERATING WEIGHT(lb)
Base Unit**
530
540 560 635
COMPRESSOR
Scroll
Quantity
1 1 1 1
Oil (oz)
25 42 56 53
REFRIGERANT TYPE
R-22
Expansion Device Operating Charge (lb-oz) Acutrol™ MeteringDevice
Standard Unit
5---3
7---11
8---8
12---11
Unit With Perfect Humidity Adaptive Dehumidification System
10---2 14---0 14---13 21---0
CONDENSER FAN Propeller
Quantity...Diameter (in.) 1...22 1...22 1...22 1...22
Nominal Cfm 3000 3500
3500
4100
Motor Hp...Rpm 1/8...825 1/8...825 1/8...825
1/4...1100
Watts Input (Total) 180 180
180
320
CONDENSER COIL Enhanced Copper Tubes, Aluminum LancedFins
Rows...Fins/in. 1...17 1...17 2...17 2...17
Total Face Area (sq ft) 14.6 14.6
16.5
16.5
EVAPORATOR COIL Enhanced Copper Tubes, Aluminum Double-Wavy Fins
Standard Unit
Rows...Fins/in.
2...15 2...15 2...15 4...15
Total Face Area (sq ft) 4.2 5.5
5.5
5.5
Perfect Humidity Coil Adaptive Dehumidification System
Rows...Fins/in. 1...17 1...17 2...17 2...17
Total Face Area (sq ft)
3.5 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 800 1200 1600 2000
Maximum Continuous Bhp Std 0.58 1.20
1.20
1.30/2.40*
Hi-Static 2.40 2.40 2.40 2.90
Motor Frame Size Std
48 48
48
48/56†
Hi-Static
56
56
56
Motor Rpm Std 1620 1620
1620
1725
Hi-Static 1725 1725 1725
Fan Rpm Range Std 400-1000 680-1044 770-1185 1035-1460
Hi-Static 1075-1455 1075-1455 1300-1685
Motor Bearing Type
Ball Ball Ball Ball
Maximum Fan Rpm
1620 2100
2100
2100
Motor Pulley Pitch Diameter A/B (in.) Std 2.4/3.2 1.9/2.9 1.9/2.0 2.4/3.4
Hi-Static 2.8/3.8
2.8/3.8
3.4/4.4
Nominal Motor Shaft Diameter (in.) Std
5/81/2
1
/2
5
/8
Hi-Static 7/8
5/8
5
/85/8
Fan Pulley Pitch Diameter (in.) Std 4.0 4.5
4.0
4.0
Hi-Static
4.5 4.5
4.0
4.5
Belt — Type...Length (in.) Std
1...A...36 1...A...36 1....4...36 1...A...40
Hi-Static
1...A...39 1...A...39
1...A...39
1...A...40
Pulley Center Line Distance (in.) 10.0 -12.4 10.0-12.4 10.0-12.4 14.7-15.5
Speed Change per Full Turn of Movable Pulley Flange
(rpm) Std 60 65 70 75
Hi-Static 65
65
60
Movable Pulley Maximum Full Turns from Closed
Position Std 55 5 6
Hi-Static 66 5
Factory Setting — Full Turns Open Std
33 3 3
Hi-Static 31/2 31/2 31/2
Factory Speed Setting(rpm)
Std
756 826
936
1248
Hi-Static
1233
1233
1396
Fan Shaft Diameter at Pulley (in.)
5/8 5/8
5/8
5/8
Bhp — Brake Horsepower
*Single/three phase.
**Base unit weight does not include any options or accessories. See Options and
Accessory weight tables for additional weight information.
†Indicates automatic reset.
581C024-060