Bryant 524J Manual de usuario descargar pdf (Pagina 27)

Table 9E -- Medium--Static Drive Data, 60 Hz — SI

UNIT

524J*25A

524J*25H

524J*28A 524J*30A

MOTOR DRIVE

Motor Pulley Pitch Diameter (mm) 109.2--- 134.6 109.2--- 134.6 109.2---134.6

Pulley Factory Setting

Full T urns Open

3.0 3.0 3.0

FAN DRIVE

Pulley Pitch Dia (mm) 239 239 239

Pulley Bore (mm) 36.5 49.2 49.2

Belt No. — Section 1—B 2—B

†

2—B

†

Belt Pitch (mm) 1062

(2) 986

(2) 1011

(2) 986

(2) 1011

FAN SPEEDS (r/s)

Factory Setting 14.7 14.7 14.7

Range 13.3--- 16.4 13.3--- 16.4 13.3--- 16.4

Max Allowable Speed (r/s) 20.0 18.3 18.3

Change per

Turn of

Moveable Motor Pulley

Flange

0.255 0.255 0.255

MAX FULL TURNS FROM

CLOSED POSITION

6 6 6

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 pulley setting.

Table 9F -- High--Static Drive Data, 60 Hz — SI

UNIT

524J*25A

524J*25H

524J*28A 524J*30A

MOTOR DRIVE

Motor Pulley Pitch Diameter (mm) 109.2--- 134.6 109.2---134.6 109.2---134.6

Pulley Factory Setting

Full T urns Open

3.0 3.0 3.0

FAN DRIVE

Pulley Pitch Dia (mm) 188 203

†

203

Pulley Bore (mm) 36.5 49.2 49.2

Belt No. — Section 2—B 2—B 2—B

Belt Pitch (mm) 935 935 960

FAN SPEEDS (r/s)

Factory Setting 18.6 17.1 17.1

Range 16.9---20.0

†

14.6--- 17.9 14.6--- 7.9

Max Allowable Speed (r/s) 20.0 18.3 18.3

Change per

Turn of

Moveable Motor Pulley

Flange

0.323 0.278 0.278

MAX FULL TURNS FROM

CLOSED POSITION

6 6 6

SHAFTS CENTER DISTANCE (mm) 207---255 169--- 240 169--- 240

†

It is possible to adjust drive so that fan speed exceeds maximum allowable. DO NOT exceed 20 r/s

524J

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Bryant 524J Manual de usuario Pagina 27

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