Carrier R-410A C - High-StaticDrive Data, 60 Hz - English, D - Standard Drive Data, 60 Hz - SI

Models: R-410A

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Table 9C — High-Static Drive Data, 60 Hz — English

UNIT

40RUA*25

40RUA*28

40RUA*30

40RUS*25

40RUS*28

40RUS*30

 

MOTOR DRIVE

 

 

 

Motor Pulley Pitch Diameter (in.)

4.3-5.3

4.3-5.3

4.3-5.3

Pulley Factory Setting

3.0

3.0

3.0

Full Turns Open

 

 

 

FAN DRIVE

 

 

 

Pulley Pitch Dia (in.)

7.4

8.6

8.6

Pulley Bore (in.)

17/16

115/16

115/16

Belt No. — Section

2—B

2—B

2—B

Belt Pitch (in.)

36.8

378

37.8

FAN SPEEDS (rpm)

 

 

 

Factory Setting

1118

1024

1024

Range

1014-

873-

873-

1200

1075

1075

 

Max Allowable Speed (rpm)

1200

1100

1100

Change per 1/2 Turn of

19.4

16.7

16.7

Moveable Motor Pulley

Flange

 

 

 

MAX FULL TURNS FROM

6

6

6

CLOSED POSITION

 

 

 

SHAFTS CENTER DISTANCE (in.)

8.16-

6.67-

6.67-

10.02

9.43

9.43

 

It is possible to adjust drive so that fan speed exceeds maximum allowable. DO NOT exceed 1200 rpm.

Table 9D — Standard Drive Data, 60 Hz — SI

UNIT

40RUA*25

40RUA*28

40RUA*30

40RUS*25

40RUS*28

40RUS*30

 

MOTOR DRIVE

 

 

 

Motor Pulley Pitch Diameter (mm)

94.0-

109.2-

109.2-

119.4

134.6

134.6

 

Pulley Factory Setting

3.0

3.0

3.0

Full Turns Open

 

 

 

FAN DRIVE

 

 

 

Pulley Pitch Dia (mm)

239

279

279

Pulley Bore (mm)

36.5

49.2

49.2

Belt No. — Section

2—B

2—B

2—B

Belt Pitch (mm)

1062

(2) 1987

(2) 1987

(2) 1113

(2) 1113

 

 

FAN SPEEDS (r/s)

 

 

 

Factory Setting

12.9

12.5

12.5

Range

11.3-14.4

11.4-14.0

11.2-13.9

Max Allowable Speed (r/s)

20.0

18.3

18.3

Change per 1/2Turn of

0.255

0.218

0.218

Moveable Motor Pulley

Flange

 

 

 

MAX FULL TURNS FROM

6

6

6

CLOSED POSITION

 

 

 

SHAFTS CENTER DISTANCE (mm)

232-279

169-240

169-240

Four belts shipped with unit. Use correct set of 2 belts sized according to the pully setting.

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Carrier R-410A manual C - High-StaticDrive Data, 60 Hz - English, D - Standard Drive Data, 60 Hz - SI