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BASE UNIT 558D
NOMINAL CAPACITY (tons)
OPERATING WEIGHT (lb)
Unit
Durablade Economizer
PARABLADE Economizer
Roof Curb
COMPRESSOR TYPE
Quantity
Oil (oz)
REFRIGERANT TYPE
Operating Charge (lb-oz)
CONDENSER COIL
Rows...Fins/in.
Total Face Area (sq ft)
CONDENSER FAN
Nominal Cfm
Quantity...Diameter (in.)
Motor Hp...Rpm
Watts Input (Total)
EVAPORATOR COIL
Rows...Fins/in.
Total Face Area (sq ft)
EVAPORATOR FAN
Quantity...Size (in.)
Type Drive
Nominal Cfm
Maximum Continuous Bhp
Motor Frame Size
Nominal Rpm High/Low
Fan Rpm Range
Motor Bearing Type
Maximum Allowable Rpm
Motor Pulley Pitch Diameter Min/Max (in.)
Nominal Motor Shaft Diameter (in.)
Fan Pulley Pitch Diameter (in.)
Belt, Quantity...Type...Length (in.)
Pulley Center Line Distance (in.)
Speed Change per Full Turn of
Movable Pulley Flange (rpm)
Movable Pulley Maximum Full Turns
From Closed Position
Factory Setting
Factory Speed Setting (rpm)
Fan Shaft Diameter at Pulley (in.)
HIGH-PRESSURE SWITCH (psig)†
Standard Compressor Internal Relief (Differential)
Cutout
Reset (Auto.)
LOW-PRESSURE/LOSS-OF-CHARGE SWITCH (Liquid Line)(psig)†
Cutout
Reset (Auto.)
FREEZE-PROTECTION THERMOSTAT (F)†
Opens
Closes
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)
RETURN-AIR FILTERS
Quantity...Size (in.)
LEGEND
Bhp — Brake Horsepower
*Single phase units — 1.3 bhp/48 frame.
Three phase units — 2.4 bhp/56 frame.
†Requires an optional or accessory controls upgrade kit.
Table 1 — Specifications
036
3
365
34
42
115
Reciprocating
1
50
3-6
Enhanced Copper Tubes, Aluminum Lanced Fins
1...17
7.36
3500
1...22.0
1
⁄
...1100
4
325
Enhanced Copper Tubes, Aluminum Double-Wavy Fins
2...15
4.17
Std
1...10 x 10
Alt
1...10 x 10
Std
Direct
Alt
Belt
Std
1200
Alt
1200
Std
.34
Alt
1.00
Std
48
Alt
48
Std
860/800
Alt
—
Std
—
Alt
760-1090
Ball
2100
Std
—
Alt
1.9/2.9
Std
1
⁄
2
Alt
1
⁄
2
Std
—
Alt
4.5
Std
—
Alt
1...A...39
Std
—
Alt
10.0-12.4
Std
—
Alt
65
Std
—
Alt
5
Std
—
Alt
3
Std
—
Alt
890
5
⁄
8
—5—
048
060
4
5
375
395
34
34
42
42
115
115
Reciprocating
Reciprocating
1
1
50
50
R-22
5-8
7-0
1...17
2...17
13.19
10.42
Propeller Type
4000
4000
1...22.0
1...22.0
1
⁄
...1100
1
⁄
...1100
4
4
325
325
2...15
3...15
5.5
5.5
Centrifugal Type
1...10 x 10
1...11 x 10
1...10 x 10
1...10 x 10
Direct
Direct
Belt
Belt
1600
2000
1600
2000
.75
1.20
1.00
1.3/2.4*
48
48
48
48/56*
1075/970
1075/970
—
—
—
—
840-1185
900-1300
Ball
Ball
2100
2100
—
—
1.9/2.9
2.4/3.4
1
⁄
1
⁄
2
2
1
⁄
5
⁄
2
8
—
—
4.0
4.5
—
—
1...A...36
1...A...39
—
—
10.0-12.4
14.7-15.5
—
—
70
80
—
—
5
5
—
—
3
3
—
—
980
1060
5
⁄
5
⁄
8
8
450 ± 50
428
320
7 ± 3
22 ± 7
30 ± 5
45 ± 5
Cleanable
1...20 x 24 x 1
Throwaway
2...16 x 25 x 2
072
6
470
34
42
115
Scroll
1
54
7-11
2...17
10.42
4000
1...22.0
1
⁄
...1100
4
325
4...15
5.5
1...10 x 10
—
Belt
—
2400
—
2.40
—
56
—
—
—
1070-1460
—
Ball
2100
2.8/3.8
—
5
⁄
8
—
4.5
—
1...A...40
—
14.7-15.5
—
80
—
5
—
3
—
1225
—
5
⁄
8
500 ± 50
428
320
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