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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 5/81/21/25/8
Hi-Static 7/8 5/85/85/8
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