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Table 2 — Physical Data — Unit 48SX
UNIT SIZE 48SX 024040 024060 030040 030060 030080 036060 036080 036100 036120
NOMINAL CAPACITY (ton) 222
1
⁄
2
2
1
⁄
2
2
1
⁄
2
3333
OPERATING WEIGHT (lb)
Without Base Rail 333 345 336 348 348 366 366 378 378
With Optional Base Rail 357 369 360 372 372 390 390 402 402
COMPRESSORS Scroll
Quantity 1
REFRIGERANT (R-22)
Charge (lb) 3.9 3.9 4.5 4.5 4.5 5.4 5.4 5.4 5.4
REFRIGERANT METERING DEVICE Acutrol™ Device
Orifice ID (in.) .034 .034 .030 .030 .030 .032 .032 .032 .032
CONDENSER COIL
Rows...Fins/in. 2...17 2...17 2...17 2...17 2...17 2...17 2...17 2...17 2...17
Face Area (sq ft) 7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0
CONDENSER FAN
Nominal Cfm 2200 2200 2200 2200 2200 2200 2200 2200 2200
Diameter (in.) 20 20 20 20 20 20 20 20 20
Motor Hp (Rpm)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
EVAPORATOR COIL
Rows Fins/in.
2...15 2...15 3...15 3...15 3...15 4...15 4...15 4...15 4...15
Face Area (sq ft) 3.6 3.6 2.7 2.7 2.7 3.6 3.6 3.6 3.6
EVAPORATOR FAN* Direct Drive
Nominal Airflow (Cfm) 800 800 1000 1000 1000 1200 1200 1200 1200
Size (in.) 10x10 10x10 10x10 10x10 10x10 10x10 10x10 10x10 10x10
Motor Hp
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 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 2...47 1...41 2...47 2...42 2...47 2...42 2...40 3...42
RETURN-AIR FILTERS (in.)**
Disposable 24x24 24x24 24x24 24x24 24x24 24x24 24x24 24x24 24x24
UNIT SIZE 48SX 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 391 391 403 403 422 434 434 434 453 465 465 465
With Optional Base Rail 415 415 427 427 446 458 458 458 477 489 489 489
COMPRESSORS Scroll
Quantity 1
REFRIGERANT (R-22)
Charge (lb) 5.7 5.7 5.7 5.7 5.8 5.8 5.8 5.8 7.00 7.00 7.00 7.00
REFRIGERANT METERING Acutrol Device
DEVICE
Orifice ID (in.) .034 .034 .034 .034 .034 .034 .034 .034 .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) 8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.7 8.67 8.67 8.67 8.67
CONDENSER FAN
Nominal Cfm 2400 2400 2400 2400 2400 2400 2400 2400 2400 2400 2400 2400
Diameter (in.) 20 20 20 20 20 20 20 20 20 20 20 20
Motor Hp (Rpm)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
1
⁄
4
(1100)
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 4...15 4...15 4...15 4...15 4...15 4...15 4...15 4...15
Face Area (sq ft) 4.4 4.4 4.4 4.4 4.4 4.4 4.4 4.4 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.)**
Disposable 24x30 24x30 24x30 24x30 24x30 24x30 24x30 24x30 24x30 24x30 24x30 24x30
*Size 048 evaporator fan is equipped with a 460-v or integrated control motor (ICM). Size 060 evaporator fan is
equipped with an ICM only. The ICM provides variable speed.
†Based on an altitude of 0-2000 feet.
**Required filter sizes shown are based on the ARI (Air Conditioning & Refrigeration Institute) rated 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.
15