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Table 1 — Physical Data — Unit 48SS
UNIT SIZE 48SS 018040 024040 024060 030040 030060 030080 036060 036080 036100 036120
NOMINAL CAPACITY (ton) 1
1
⁄
2
222
1
⁄
2
2
1
⁄
2
2
1
⁄
2
3333
OPERATING WEIGHT (lb)
Without Base Rail 272 303 315 320 332 332 336 336 348 348
With Optional Base Rail 296 327 339 344 356 356 360 360 372 372
COMPRESSORS Rotary Reciprocating
Quantity 11
REFRIGERANT (R-22)
Charge (lb) 2.60 2.75 2.75 3.40 3.40 3.40 4.30 4.30 4.30 4.30
REFRIGERANT METERING DEVICE Acutrol™ Device
Orifice ID (in.) .030 .030 .030 .030 .030 .030 .032 .032 .032 .032
CONDENSER COIL
Rows...Fins/in. 1...17 1...17 1...17 2...17 2...17 2...17 2...17 2...17 2...17 2...17
Face Area (sq ft) 5.95 5.95 5.95 5.95 5.95 5.95 5.95 5.95 5.95 5.95
CONDENSER FAN
Nominal Cfm 1700 1700 1700 1900 1900 1900 1900 1900 1900 1900
Diameter (in.) 18 18 18 18 18 18 18 18 18 18
Motor Hp (Rpm)
1
⁄
8
(850)
1
⁄
8
(850)
1
⁄
8
(850)
1
⁄
8
(850)
1
⁄
8
(850)
1
⁄
8
(850)
1
⁄
4
(1050)
1
⁄
4
(1050)
1
⁄
4
(1050)
1
⁄
4
(1050)
EVAPORATOR COIL
Rows Fins/in.
3...15 3...15 3...15 3...15 3...15 3...15 3...15 3...15 3...15 3...15
Face Area (sq ft) 1.83 2.29 2.29 2.29 2.29 2.29 3.06 3.06 3.06 3.06
EVAPORATOR FAN Direct Drive
Nominal Airflow (Cfm) 600 800 800 1000 1000 1000 1200 1200 1200 1200
Size (in.) 10x10 10x10 10x10 10x10 10x10 10x10 10x10 10x10 10x10 10x10
Motor Hp
1
⁄
4
1
⁄
4
1
⁄
4
1
⁄
4
1
⁄
4
1
⁄
4
1
⁄
2
1
⁄
2
1
⁄
2
1
⁄
2
FURNACE SECTION*
Burner Orifice (Qty...drill size)
Natural Gas
1...32 1...32 2...40 1...32 2...40 2...32 2...40 2...32 2...30 3...32
Burner Orifice (Qty...drill size)
Propane Gas
1...41 1...41 2...47 1...41 2...47 2...42 2...47 2...42 2...40 3...42
RETURN-AIR FILTERS (in.)†
Throwaway 20x20 20x20 20x20 20x24 20x24 20x24 20x24 20x24 20x24 20x24
UNIT SIZE 48SS 042060 042080 042100 042120 048080 048100 048120 048140 060080 060100 060120 060140
NOMINAL CAPACITY (ton) 3
1
⁄
2
3
1
⁄
2
3
1
⁄
2
3
1
⁄
2
44445555
OPERATING WEIGHT (lb)
Without Base Rail 375 375 387 387 414 426 426 426 453 465 465 465
With Optional Base Rail 399 399 411 411 438 450 450 450 477 489 489 489
COMPRESSORS Reciprocating Hermetic Scroll
Quantity 11
REFRIGERANT (R-22)
Charge (lb) 5.20 5.20 5.20 5.20 6.50 6.50 6.50 6.50 7.00 7.00 7.00 7.00
REFRIGERANT METERING Acutrol Device
DEVICE
Orifice ID (in.) .034 .034 .034 .034 .030 .030 .030 .030 .030 .030 .030 .030
CONDENSER COIL
Rows...Fins/in. 2...17 2...17 2...17 2...17 2...17 2...17 2...17 2...17 2...17 2...17 2...17 2...17
Face Area (sq ft) 7.04 7.04 7.04 7.04 8.67 8.67 8.67 8.67 8.67 8.67 8.67 8.67
CONDENSER FAN
Nominal Cfm 1900 1900 1900 1900 2400 2400 2400 2400 2400 2400 2400 2400
Diameter (in.) 18 18 18 18 20 20 20 20 20 20 20 20
Motor Hp (Rpm)
1
⁄
4
(1050)
1
⁄
4
(1050)
1
⁄
4
(1050)
1
⁄
4
(1050)
1
⁄
3
(1050)
1
⁄
3
(1050)
1
⁄
3
(1050)
1
⁄
3
(1050)
1
⁄
3
(1050)
1
⁄
3
(1050)
1
⁄
3
(1050)
1
⁄
3
(1050)
EVAPORATOR COIL
Rows Fins/in. 3...15 3...15 3...15 3...15 3...15 3...15 3...15 3...15 4...15 4...15 4...15 4...15
Face Area (sq ft) 3.33 3.33 3.33 3.33 4.44 4.44 4.44 4.44 4.44 4.44 4.44 4.44
EVAPORATOR FAN Direct Drive
Nominal Airflow (Cfm) 1400 1400 1400 1400 1600 1600 1600 1600 1995 1995 1995 1995
Size (in.) 10x10 10x10 10x10 10x10 10x10 10x10 10x10 10x10 10x11 10x11 10x11 10x11
Motor Hp
3
⁄
4
3
⁄
4
3
⁄
4
3
⁄
4
3
⁄
4
3
⁄
4
3
⁄
4
3
⁄
4
1111
FURNACE SECTION*
Burner Orifice (Qty...drill size)
Natural Gas
2...40 2...32 2...30 3...32 2...32 2...30 3...32 3...31 2...32 2...30 3...32 3...31
Burner Orifice (Qty...drill size)
Propane Gas
2...47 2...42 2...40 3...42 2...42 2...40 3...42 3...40 3...42 2...40 3...42 3...40
RETURN-AIR FILTERS (in.)†
Throwaway 24x24 24x24 24x24 24x24 24x30 24x30 24x30 24x30 24x30 24x30 24x30 24x30
*Based on altitude of 0-2000 feet.
†Required filter sizes shown are based on the larger of the ARI (Air Conditioning & Refrigeration Institute) rated cool-
ing airflow or the heating airflow at a velocity of 300 ft/min for throwaway type or 450 ft/min for high-capacity type.
For non-standard air filters, air filter pressure drop must not exceed 0.08 in. wg.
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