Carrier 48PG20-28 specifications Fan Motor and Drive Data Horizontal Supply/Return

Page 8

Table 3 — Fan Motor and Drive Data — Horizontal Supply/Return

48PG

20

 

24

 

28

 

208/230 and 460

575

208/230 and 460

575

208/230 and 460

575

 

LOW RANGE

 

 

 

 

 

 

Motor Hp

5

5

Motor Nominal Rpm

1750

1750

Maximum Continuous Bhp

5.75

5.75

Maximum Continuous Watts

4290

4290

Motor Frame Size

S184T

S184T

Motor Shaft Diameter (in.)

11/8

11/8

Fan Rpm Range

687-873

687-873

Motor Pulley Min. Pitch Diameter (in.)

3.7

3.7

Motor Pulley Max. Pitch Diameter (in.)

4.7

4.7

Blower Pulley Pitch Diameter (in.)

9.4

9.4

Blower Pulley Shaft Diameter (in.)

13/16

13/16

Blower Pulley Type

Fixed

Fixed

Pulley Center Line Distance (in.)

9.81-13.055

9.81-13.055

Belt, Quantity...Type...Length (in.)

1...BX41...42.8

1...BX41...42.8

Speed Change Per Turn —

31

31

Moveable Pulley (rpm)

 

 

 

 

 

 

Moveable Pulley Maximum Full Turns

6

6

Factory Speed Setting (rpm)

780

780

MID-LOW RANGE

 

 

 

 

 

 

Motor Hp

3.7

5

3.7

5

5

5

Motor Nominal Rpm

1750

1750

1750

1750

1750

1750

Maximum Continuous Bhp

4.26

5.75

4.26

5.75

5.75

5.75

Maximum Continuous Watts

3174

4290

3174

4290

4290

4290

Motor Frame Size

56HZ

S184T

56HZ

S184T

S184T

S184T

Motor Shaft Diameter (in.)

7/8

11/8

7/8

11/8

11/8

11/8

Fan Rpm Range

896-1227

873-1108

896-1227

873-1108

805-1007

805-1007

Motor Pulley Min. Pitch Diameter (in.)

2.7

3.7

2.7

3.7

4.8

4.8

Motor Pulley Max. Pitch Diameter (in.)

3.7

4.7

3.7

4.7

6.0

6.0

Blower Pulley Pitch Diameter (in.)

5.2

7.4

5.2

7.4

10.4

10.4

Blower Pulley Shaft Diameter (in.)

13/16

13/16

13/16

13/16

13/16

13/16

Blower Pulley Type

Fixed

Fixed

Fixed

Fixed

Fixed

Fixed

Pulley Center Line Distance (in.)

11.293-13.544

9.81-13.055

11.293-13.544

9.81-13.055

9.81-13.055

9.81-13.055

Belt, Quantity...Type...Length (in.)

1...BX35...36.8

1...BX38...39.8

1...BX35...36.8

1...BX38...39.8

1...BX45...46.8

1...BX45...46.8

Speed Change Per Turn —

55

39

55

39

34

34

Moveable Pulley (rpm)

 

 

 

 

 

 

Moveable Pulley Maximum Full Turns

6

6

6

6

6

6

Factory Speed Setting (rpm)

1062

991

1062

991

906

906

MID-HIGH RANGE

 

 

 

 

 

 

Motor Hp

5

5

5

5

7.5

7.5

Motor Nominal Rpm

1750

1750

1750

1750

1750

1750

Maximum Continuous Bhp

5.75

5.75

5.75

5.75

8.63

8.63

Maximum Continuous Watts

4290

4290

4290

4290

6434

6434

Motor Frame Size

S184T

S184T

S184T

S184T

S213T

S213T

Motor Shaft Diameter (in.)

11/8

11/8

11/8

11/8

13/8

13/8

Fan Rpm Range

1113-1414

1113-1414

1113-1414

1113-1414

941-1176

941-1176

Motor Pulley Min. Pitch Diameter (in.)

3.7

3.7

3.7

3.7

4.8

4.8

Motor Pulley Max. Pitch Diameter (in.)

4.7

4.7

4.7

4.7

6.0

6.0

Blower Pulley Pitch Diameter (in.)

5.8

5.8

5.8

5.8

8.9

8.9

Blower Pulley Shaft Diameter (in.)

13/16

13/16

13/16

13/16

13/16

13/16

Blower Pulley Type

Fixed

Fixed

Fixed

Fixed

Fixed

Fixed

Pulley Center Line Distance (in.)

9.81-13.055

9.81-13.055

9.81-13.055

9.81-13.055

9.025-12.179

9.025-12.179

Belt, Quantity...Type...Length (in.)

1...BX35...36.8

1...BX35...36.8

1...BX35...36.8

1...BX35...36.8

1...BX42...43.8

1...BX42...43.8

Speed Change Per Turn —

50

50

50

50

39

39

Moveable Pulley (rpm)

 

 

 

 

 

 

Moveable Pulley Maximum Full Turns

6

6

6

6

6

6

Factory Speed Setting (rpm)

1264

1264

1264

1264

1059

1059

HIGH RANGE

 

 

 

 

 

 

Motor Hp

7.5

7.5

7.5

7.5

10

10

Motor Nominal Rpm

1750

1750

1750

1750

1750

1750

Maximum Continuous Bhp

8.63

8.63

8.63

8.63

11.50

11.50

Maximum Continuous Watts

6434

6434

6434

6434

8579

8579

Motor Frame Size

S213T

S213T

S213T

S213T

S215T

S215T

Motor Shaft Diameter (in.)

13/8

13/8

13/8

13/8

13/8

13/8

Fan Rpm Range

1096-1339

1096-1339

1096-1339

1096-1339

1014-1297

1014-1297

Motor Pulley Min. Pitch Diameter (in.)

5.4

5.4

5.4

5.4

4.3

4.3

Motor Pulley Max. Pitch Diameter (in.)

6.6

6.6

6.6

6.6

5.5

5.5

Blower Pulley Pitch Diameter (in.)

8.6

8.6

8.6

8.6

7.4

7.4

Blower Pulley Shaft Diameter (in.)

13/16

13/16

13/16

13/16

13/16

13/16

Blower Pulley Type

Fixed

Fixed

Fixed

Fixed

Fixed

Fixed

Pulley Center Line Distance (in.)

9.025-12.179

9.025-12.179

9.025-12.179

9.025-12.179

9.025-12.179

9.025-12.179

Belt, Quantity...Type...Length (in.)

1...BX42...43.8

1...BX42...43.8

1...BX42...43.8

1...BX42...43.8

1...BX38...39.8

1...BX38...39.8

Speed Change Per Turn —

41

41

41

41

47

47

Moveable Pulley (rpm)

 

 

 

 

 

 

Moveable Pulley Maximum Full Turns

6

6

6

6

6

6

Factory Speed Setting (rpm)

1218

1218

1218

1218

1156

1156

8

Image 8
Contents Installation, Start-Up and Service Instructions Installation Provide Unit SupportRoof Curb Details Shipping Rail Removal Base Unit Dimensions Physical Data CompressorFan Motor and Drive Data Vertical Supply/Return Fan Motor and Drive Data Horizontal Supply/Return Make Unit Duct Connections Alignment Hole DetailsInstall Flue Hood and Inlet Hood Concentric Duct DetailsMake Electrical Connections Condensate Drain DetailsField Power Wiring Connections Supply Optional Hacr Size Supply Optional Hacr Size Voltage Breaker Outdoor-Air Hood Details Outdoor-Air Hood Assembled Power Exhaust or Barometric Relief Damper Mounting Details PRE-START-UP Fan Performance 48PGD20 Vertical Supply/Return Units Fan Performance 48PGE20 Vertical Supply/Return Units Fan Performance 48PGF20 Vertical Supply/Return Units 8500 940Fan Performance 48PGD24 Vertical Supply/Return Units Fan Performance 48PGE24 Vertical Supply/Return Units Fan Performance 48PGF24 Vertical Supply/Return Units 500 940Fan Performance 48PGD28 Vertical Supply/Return Units 10,50011,000 1310 11.76 1342 12.33 11,500Fan Performance 48PGE28 Vertical Supply/Return Units 1327 11.47 11,0001304 000 1309 1341 10.09 500Fan Performance 48PGF28 Vertical Supply/Return Units Fan Performance 48PGD20 Horizontal Supply and Return Units Fan Performance 48PGE20 Horizontal Supply and Return Units Fan Performance 48PGF20 Horizontal Supply and Return Units Fan Performance 48PGD24 Horizontal Supply and Return Units Fan Performance 48PGE24 Horizontal Supply and Return Units Fan Performance 48PGF24 Horizontal Supply and Return Units 1354 1391 000 1381 500 10,000Fan Performance 48PGD28 Horizontal Supply and Return Units 1328 10.37 1358 10.87 10,000Fan Performance 48PGE28 Horizontal Supply and Return Units 1308 1340 10.08 500Fan Performance 48PGF28 Horizontal Supply and Return Units General Notes for FAN Performance Data TablesOperation Air Quantity Limits Power Exhaust Fan Performance 48PG20-28Evaporator Fan Motor Specifications Evaporator Fan Motor Specifications Accessory/FIOP Static Pressure in. wg* 48PG20-28 Fan Rpm at Motor Pulley SettingsEconoMi$er IV Sensor Usage EconoMi$er IV Wiring Enthalpy Changeover Set Points Page CO2 Sensor Standard Settings Operating SequenceSubcooler Operation Service Lubrication Removing Heat Exchanger CeramicEvaporator-Fan Motor Adjustment Condenser-Fan Adjustment Fig Belt Tension AdjustmentSensor Temperature/Resistance Values Unit Model Number PositionGas Valve Adjustment Charging Chart 48PG20Gas Valve Protective Devices Altitude CompensationTypical Low Voltage Control Schematic Typical Power Schematic Typical Component Arrangement 48PG20,24 Typical Component Arrangement 48PG28 Troubleshooting Cooling Service AnalysisGas Heating Service Analysis Burners Will Not IgniteIGC Control Heating and Cooling EconoMi$er IV Troubleshooting IGC Board LED Alarm CodesFlash FlashesLED Status Function Copyright 2005 Carrier Corporation Page Unit START-UP Checklist