Carrier 48SS018-060, 48SX024-060 user manual Physical Data Ð Unit 48SS, Unit Size 48SS

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Table 1 Ð Physical Data Ð Unit 48SS

UNIT SIZE 48SS

 

018040

024040

024060

030040

030060

030080

036060

036080

036100

036120

NOMINAL CAPACITY (ton)

11¤2

 

2

 

2

21¤2

21¤2

21¤2

 

3

 

3

 

3

 

3

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

 

 

1

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

Ori®ce 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

 

3...

15

3...

15

3...

15

3...

15

3...

15

3...

15

3...

15

3...

15

3...

15

3...

15

Rows Fins/in.

 

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 Air¯ow (Cfm)

600

800

800

1000

1000

1000

1200

1200

1200

1200

Size (in.)

 

10 x 10

10 x 10

10 x 10

10 x 10

10 x 10

10 x 10

10 x 10

10 x 10

10 x 10

10 x 10

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 Ori®ce (Qty...

drill size)

1...

32

1...

32

2...

40

1...

32

2...

40

2...

32

2...

40

2...

32

2...

30

3...

32

Natural Gas

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Burner Ori®ce (Qty...

drill size)

1...

41

1...

41

2...

47

1...

41

2...

47

2...

42

2...

47

2...

42

2...

40

3...

42

Propane Gas

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RETURN-AIR FILTERS (in.)²

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Throwaway

 

20 x 20

20 x 20

20 x 20

20 x 24

20 x 24

20 x 24

20 x 24

20 x 24

20 x 24

20 x 24

UNIT SIZE 48SS

 

042060

042080

 

042100

042120

048080

048100

048120

048140

 

060080

060100

060120

060140

NOMINAL CAPACITY (ton)

31¤2

31¤2

 

31¤2

31¤2

 

4

 

4

 

4

 

4

 

 

5

 

5

 

5

 

5

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

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ori®ce 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 Air¯ow (Cfm)

1400

1400

 

1400

1400

1600

1600

1600

1600

 

1995

1995

1995

1995

Size (in.)

 

10 x 10

10 x 10

 

10 x 10

10 x 10

10 x 10

10 x 10

10 x 10

10 x 10

 

10 x 11

10 x 11

10 x 11

10 x 11

Motor Hp

 

 

3¤4

 

3¤4

 

 

3¤4

 

3¤4

 

3¤4

 

3¤4

 

3¤4

 

3¤4

 

 

1

 

1

 

1

 

1

FURNACE SECTION*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Burner Ori®ce (Qty...

drill size)

2...

40

2...

32

 

2...

30

3...

32

2...

32

2...

30

3...

32

3...

31

 

2...

32

2...

30

3...

32

3...

31

Natural Gas

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Burner Ori®ce (Qty...

drill size)

2...

47

2...

42

 

2...

40

3...

42

2...

42

2...

40

3...

42

3...

40

 

3...

42

2...

40

3...

42

3...

40

Propane Gas

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RETURN-AIR FILTERS (in.)²

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Throwaway

 

24 x 24

24 x 24

 

24 x 24

24 x 24

24 x 30

24 x 30

24 x 30

24 x 30

 

24 x 30

24 x 30

24 x 30

24 x 30

*Based on altitude of 0-2000 feet.

²Required ®lter sizes shown are based on the larger of the ARI (Air Conditioning & Refrigeration Institute) rated cool- ing air¯ow or the heating air¯ow at a velocity of 300 ft/min for throwaway type or 450 ft/min for high-capacity type. For non-standard air ®lters, air ®lter pressure drop must not exceed 0.08 in. wg.

14

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Contents Contents Safety Considerations48SS018-042 Without Base Rail, Unit Dimensions 48SS018-042 With Optional Base Rail, Unit Dimensions 48SS048,060 Without Base Rail, Unit Dimensions 48SS048,060 With Optional Base Rail, Unit Dimensions 48SX024-036 Without Base Rail, Unit Dimensions 48SX024-036 With Optional Base Rail, Unit Dimensions 48SX042-060 Without Base Rail, Unit Dimensions 48SX042-060 With Optional Base Rail, Unit Dimensions Provide Unit Support Receiving and InstallationCheck Equipment Rig and Place UnitPart Number CurbUnit WeightUnit MAX Connect Condensate Drain Condensate TrapPhysical Data Ð Unit 48SS Unit Size 48SSPhysical Data Ð Unit 48SX Unit Size 48SXSediment Trap Maximum Gas Flow Capacity Supply and Return Duct OpeningsInstall Electrical Connections Vertical Discharge Cover RemovedÐ Electrical Data Ð Unit 48SS RLA LRA Ð Electrical Data Ð Unit 48SXRange Motor FLA MCAHigh- and Control-Voltage Connections PRE-START-UP Easy Select Interface BoardStart Up Heating Section and Make Adjustments START-UPPressure Unit 48SS,SX Rated Gas Inputs at Indicated Manifold PressuresGAS Supply Pressure Manifold Natural GAS Propane Number OrificesHeating Temperature Rise F Input Monoport BurnersLED Indications Start Up Cooling Section and Make AdjustmentsError Code LED Indication 208/230-1-60 Wiring Diagram, Units 48SS018-060 208/230-3-60 Wiring Diagram, Units 48SS030-060 460-3-60 Wiring Diagram, Units 48SS036-060 208/230-1-60 Wiring Diagram, Units 48SX024-042 208/230-1-60 Wiring Diagram, Units 48SX048,060 208/230-3-60 Wiring Diagram, Units 48SX036-042 208/230-3-60 Wiring Diagram, Units 48SX048,060 460-3-60 Wiring Diagram, Units 48SX036-048 Checking and Adjusting Refrigerant Charge Ð Superheat Charging Table, 48SS018 Ð Superheat Charging Table, 48SS024Ð Superheat Charging Table, 48SS042 Ð Superheat Charging Table, 48SS030Ð Superheat Charging Table, 48SS036 Ð Superheat Charging Table, 48SS060 Ð Superheat Charging Table, 48SX036 Ð Superheat Charging Table, 48SX024Ð Superheat Charging Table, 48SX030 Ð Superheat Charging Table, 48SX060 Ð Superheat Charging Table, 48SX042Ð Superheat Charging Table, 48SX048 Temp F Required Suction-Tube Temperature FSuperheat Unit Motor AIRExternal Static Pressure in. wg 48SX Unit 48SX FAN only Cfm Cooling CfmUnit Size Airflow Pressure Drop MaintenanceWet Coil Pressure Drop Evaporator Blower and Motor Air FilterUnit Top Removal Burner Access Panel Condenser Coil, Evaporator Coil, and Conden Condenser FanTroubleshooting CoolingHeating Burners will not igniteService Training LED Troubleshooting Ð Error CodePage III. START-UP Remove and Store in Job FilePreliminary Information