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Table 1B — Physical Data (580F091, 103, 121, 151 [ASHRAE 90.1-1999 Compliant Units])
LEGEND
*Evaporator coil fin material/condenser coil fin material. Contact your local repre-
sentative for details about coated fins.
†Weight of 14-in. roof curb.
**Rollout switch lockout is manually reset by interrupting power to unit or resetting
thermostat.
NOTE: High-static motor not available on size 150 and 151 units.
UNIT SIZE 580F 091 103 121 151
NOMINAL CAPACITY (tons) 7
1
/
2
8
1
/
2
10 12
1
/
2
OPERATING WEIGHT (lb)
Unit
Al/Al* 870 880 1035 1050
Al/Cu* 881 896 1057 1077
Cu/Cu* 893 907 1080 1100
Economizer
EconoMi$er+ 75 75 75 75
Roof Curb† 143 143 143 143
COMPRESSOR Reciprocating Scroll Scroll Scroll
Quantity 2222
No. Cylinders (per Circuit) 2222
Oil (oz) (each compressor) 42 53 50 60
REFRIGERANT TYPE R-22
Expansion Device Fixed Orifice Metering Device
Operating Charge (lb-oz)
Circuit 1 7-10 7-14 8-10 9-8
Circuit 2 8-2 8-5 8-8 9-5
CONDENSER COIL Enhanced Copper Tubes, Aluminum Lanced Fins
Rows...Fins/in. 2...17 2...17 2...17 2...17
Total Face Area (sq ft) 20.50 20.50 25.00 25.00
CONDENSER FAN Propeller Type
Nominal Cfm 6500 6500 7000 7000
Quantity...Diameter (in.) 2...22 2...22 2...22 2...22
Motor Hp...Rpm
1
/
4
...1100
1
/
4
...1100
1
/
4
...1100
1
/
4
...1100
Watts Input (Total) 650 650 650 650
EVAPORATOR COIL Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Face Split
Rows...Fins/in. 3...15 3...15 3...15 4...15
Total Face Area (sq ft) 8.9 8.9 10.0 11.1
EVAPORATOR FAN Centrifugal Type
Quantity...Size (in.) Std 1...15 x 15 1...15 x 15 1...15 x 15 1...15 x 15
Alt 1...15 x 15 — 1...15 x 15 1...15 x 15
High-Static 1...15 x 15 1...15 x 15 1...15 x 15 —
Type Drive Std Belt Belt Belt Belt
Alt Belt — Belt Belt
High-Static Belt Belt Belt —
Nominal Cfm 2900 3000 3200 5000
Maximum Continuous BhpStd2.40 2.40 2.40 3.70
Alt 2.40 — 2.90 5.25
High-Static 3.70 3.70 5.25 —
Motor FrameSizeStd56 56 56 56
Alt 56 — 56 56
High-Static 56 56 56 —
Fan Rpm Range Std 590-840 685-935 685-935 860-1080
Alt 685-935 — 835-1085 830-1130
High-Static 860-1080 860-1080 830-1130 —
Motor Bearing Type Ball Ball Ball Ball
Maximum Allowable Rpm 2100 2100 2100 2100
Motor Pulley Pitch Diameter Min/Max (in.) Std 2.4/3.4 2.8/3.8 2.8/3.8 4.0/5.0
Alt 2.8/3.8 — 3.4/4.4 3.1/4.1
High-Static 4.0/5.0 4.0/5.0 2.8/3.8 —
Nominal Motor Shaft Diameter (in.) Std
5
/
8
5
/
8
5
/
8
7
/
8
Alt
5
/
8
—
7
/
8
7
/
8
High-Static
7
/
8
7
/
8
7
/
8
—
Fan Pulley Pitch Diameter (in.) Std 7.0 7.0 7.0 8.0
Alt 7.0 — 7.0 5.9
High-Static 8.0 8.0 5.8 —
Belt, Quantity...Type...Length(in.) Std 1...A...49 1...A...49 1...A...49 1...A...52
Alt 1...A...49 — 1...A...49 1...BX...46
High-Static 1...A...55 1...A...55 1...BX...46 —
Pulley Center Line Distance (in.) Std 16.75-19.25 16.75-19.25 15.85-17.50 15.85-17.50
Alt 16.75-19.25 — 15.85-17.50 15.85-17.50
High-Static 16.75-19.25 16.75-19.25 15.85-17.50 —
Speed Change per Full Turn of Std 50 50 50 44
Movable Pulley Flange (rpm) Alt 50 — 50 50
High-Static 60 60 60 —
MovablePulleyMaximum Full Turns Std 5555
From Closed Position Alt 5—56
High-Static 556—
Factory Setting Std 5555
Alt 5—55
High-Static 555—
Factory Speed Setting (rpm) Std 590 685 685 860
Alt 685 — 835 887
High-Static 860 860 887 —
Fan Shaft Diameter at Pulley (in.) 1111
Al — Aluminum
Bhp— Brake Horsepower
Cu — Copper