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

Page 7

Table 2 — Fan Motor and Drive Data — Vertical 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

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

685-939

751-954

685-939

751-954

687-873

687-873

Motor Pulley Min. Pitch Diameter (in.)

2.7

3.7

2.7

3.7

3.7

3.7

Motor Pulley Max. Pitch Diameter (in.)

3.7

4.7

3.7

4.7

4.7

4.7

Blower Pulley Pitch Diameter (in.)

6.8

8.6

6.8

8.6

9.4

9.4

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...BX38...39.8

1...BX40...41.8

1...BX38...39.8

1...BX40...41.8

1...BX41...42.8

1...BX41...42.8

Speed Change Per Turn — Moveable Pulley (rpm)

42

34

42

34

31

31

Moveable Pulley Maximum Full Turns

6

6

6

6

6

6

Factory Speed Setting (rpm)

812

853

812

853

780

780

MID-LOW RANGE

 

 

 

 

 

 

Motor Hp

5

5

5

5

5

5

Motor Nominal Rpm

1750

1750

1750

1750

1750

1750

Maximum Continuous Bhp

5.75

5.75

5.75

5.75

5.75

5.75

Maximum Continuous Watts

4290

4290

4290

4290

4290

4290

Motor Frame Size

S184T

S184T

S184T

S184T

S184T

S184T

Motor Shaft Diameter (in.)

11/8

11/8

11/8

11/8

11/8

11/8

Fan Rpm Range

949-1206

949-1206

949-1206

949-1206

805-1007

805-1007

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

6

Blower Pulley Pitch Diameter (in.)

6.8

6.8

6.8

6.8

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.)

9.81-13.055

9.81-13.055

9.81-13.055

9.81-13.055

9.81-13.055

9.81-13.055

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

1...BX38...39.8

1...BX38...39.8

1...BX38...39.8

1...BX38...39.8

1...BX45...46.8

1...BX45...46.8

Speed Change Per Turn — Moveable Pulley (rpm)

43

43

43

43

34

34

Moveable Pulley Maximum Full Turns

6

6

6

6

6

6

Factory Speed Setting (rpm)

1078

1078

1178

1078

906

906

MID-HIGH RANGE

 

 

 

 

 

 

Motor Hp

7.5

7.5

7.5

7.5

7.5

7.5

Motor Nominal Rpm

1750

1750

1750

1750

1750

1750

Maximum Continuous Bhp

8.63

8.63

8.63

8.63

8.63

8.63

Maximum Continuous Watts

6434

6434

6434

6434

6434

6434

Motor Frame Size

S213T

S213T

S213T

S213T

S213T

S213T

Motor Shaft Diameter (in.)

13/8

13/8

13/8

13/8

13/8

13/8

Fan Rpm Range

941-1176

941-1176

941-1176

941-1176

941-1176

941-1176

Motor Pulley Min. Pitch Diameter (in.)

4.8

4.8

4.8

4.8

4.8

4.8

Motor Pulley Max. Pitch Diameter (in.)

6.0

6.0

6.0

6.0

6.0

6.0

Blower Pulley Pitch Diameter (in.)

8.9

8.9

8.9

8.9

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.)

9.025-12.179

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...BX42...43.8

1...BX42...43.8

Speed Change Per Turn —

39

39

39

39

39

39

Moveable Pulley (rpm)

 

 

 

 

 

 

Moveable Pulley Maximum Full Turns

6

6

6

6

6

6

Factory Speed Setting (rpm)

1059

1059

1059

1059

1059

1059

HIGH RANGE

 

 

 

 

 

 

Motor Hp

10

10

10

10

10

10

Motor Nominal Rpm

1750

1750

1750

1750

1750

1750

Maximum Continuous Bhp

11.50

11.50

11.50

11.50

11.50

11.50

Maximum Continuous Watts

8579

8579

8579

8579

8579

8579

Motor Frame Size

S215T

S215T

S215T

S215T

S215T

S215T

Motor Shaft Diameter (in.)

13/8

13/8

13/8

13/8

13/8

13/8

Fan Rpm Range

1014-1297

1014-1297

1014-1297

1014-1297

1014-1297

1014-1297

Motor Pulley Min. Pitch Diameter (in.)

4.3

4.3

4.3

4.3

4.3

4.3

Motor Pulley Max. Pitch Diameter (in.)

5.5

5.5

5.5

5.5

5.5

5.5

Blower Pulley Pitch Diameter (in.)

7.4

7.4

7.4

7.4

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.)

2...BX38...39.8

2...BX38...39.8

2...BX38...39.8

2...BX38...39.8

2...BX38..39.8

2...BX38...39.8

Speed Change Per Turn — Moveable Pulley (rpm)

47

47

47

47

47

47

Moveable Pulley Maximum Full Turns

6

6

6

6

6

6

Factory Speed Setting (rpm)

1156

1156

1156

1156

1156

1156

7

Image 7
Contents Installation, Start-Up and Service Instructions Provide Unit Support InstallationRoof Curb Details Shipping Rail Removal Base Unit Dimensions Compressor Physical DataFan Motor and Drive Data Vertical Supply/Return Fan Motor and Drive Data Horizontal Supply/Return Alignment Hole Details Make Unit Duct ConnectionsConcentric Duct Details Install Flue Hood and Inlet HoodCondensate Drain Details Make Electrical ConnectionsField 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 8500 940 Fan Performance 48PGF20 Vertical Supply/Return UnitsFan Performance 48PGD24 Vertical Supply/Return Units Fan Performance 48PGE24 Vertical Supply/Return Units 500 940 Fan Performance 48PGF24 Vertical Supply/Return Units1310 11.76 1342 12.33 11,500 Fan Performance 48PGD28 Vertical Supply/Return Units10,500 11,0001309 1341 10.09 500 Fan Performance 48PGE28 Vertical Supply/Return Units1327 11.47 11,000 1304 000Fan 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 1354 1391 000 1381 500 10,000 Fan Performance 48PGF24 Horizontal Supply and Return Units1328 10.37 1358 10.87 10,000 Fan Performance 48PGD28 Horizontal Supply and Return Units1308 1340 10.08 500 Fan Performance 48PGE28 Horizontal Supply and Return UnitsGeneral Notes for FAN Performance Data Tables Fan Performance 48PGF28 Horizontal Supply and Return UnitsEvaporator Fan Motor Specifications Power Exhaust Fan Performance 48PG20-28Operation Air Quantity Limits Evaporator Fan Motor Specifications Fan Rpm at Motor Pulley Settings Accessory/FIOP Static Pressure in. wg* 48PG20-28EconoMi$er IV Sensor Usage EconoMi$er IV Wiring Enthalpy Changeover Set Points Page Operating Sequence CO2 Sensor Standard SettingsSubcooler Operation Service Removing Heat Exchanger Ceramic LubricationEvaporator-Fan Motor Adjustment Unit Model Number Position Condenser-Fan Adjustment FigBelt Tension Adjustment Sensor Temperature/Resistance ValuesCharging Chart 48PG20 Gas Valve AdjustmentGas Valve Altitude Compensation Protective DevicesTypical Low Voltage Control Schematic Typical Power Schematic Typical Component Arrangement 48PG20,24 Typical Component Arrangement 48PG28 Cooling Service Analysis TroubleshootingBurners Will Not Ignite Gas Heating Service AnalysisIGC Control Heating and Cooling Flashes EconoMi$er IV TroubleshootingIGC Board LED Alarm Codes FlashLED Status Function Copyright 2005 Carrier Corporation Page Unit START-UP Checklist