MEDIUM-STATIC Drive Data, HIGH-STATIC Drive Data

APPLICATION DATA — 524A (cont)

MEDIUM-STATIC DRIVE DATA

UNIT SIZE 524A	072	090	120	150	180	240	300
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.)	3.4-4.4	3.4-4.4	3.4-4.4	3.4-4.4	3.7-4.7	4.3-5.3	4.3-5.3
Pulley Factory Setting	2.5	2.5	2.5	2.5	3.0	3.0	3.0
Full Turns Open	2.5	2.5	2.5	2.5	3.0	3.0	3.0
Full Turns Open
FAN DRIVE
Pulley Pitch Dia (in.)	8.8	8.0	8.0	8.2	8.6	9.4	9.4
Pulley Bore (in.)	1	1	1	17/16	17/16	17/16	115/16
Belt No. — Section	1—A	1—A	1—A	1—A	1—B	2—B	2—B*
Belt Pitch (in.)	42.3	40.3	40.3	41.3	41.8	41.8	(2) 38.8
Belt Pitch (in.)	42.3	40.3	40.3	41.3	41.8	41.8	(2) 39.8
							(2) 39.8
FAN SPEEDS (rpm)
Factory Setting	764	841	841	820	842	881	881
Range	666-863	733-949	733-949	715-926	742-943	798-984	798-984
Max Allowable Speed (rpm)	1200	1200	1200	1200	1200	1200	1100
Change per 1/2 Turn of
Moveable Motor Pulley	19.7	21.6	21.6	21.1	16.7	15.3	15.3
Flange
MAX FULL TURNS FROM	5	5	5	5	6	6	6
CLOSED POSITION	5	5	5	5	6	6	6
CLOSED POSITION
SHAFTS CENTER DISTANCE (in.)	10.44-	10.44-	10.44-	10.44-	10.44-	9.16-	6.67-
SHAFTS CENTER DISTANCE (in.)	12.32	12.32	12.32	12.32	12.32	10.99	9.43
	12.32	12.32	12.32	12.32	12.32	10.99	9.43

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

HIGH-STATIC DRIVE DATA

UNIT SIZE 524A	072	090	120	150	180	240	300
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.)	3.4-4.4	3.4-4.4	3.4-4.4	3.7-4.7	4.3-5.3	4.3-5.3	4.3-5.3
Pulley Factory Setting	2.5	2.5	2.5	3.0	3.0	3.0	3.0
Full Turns Open	2.5	2.5	2.5	3.0	3.0	3.0	3.0
Full Turns Open
FAN DRIVE
Pulley Pitch Dia (in.)	7.0	6.0*	6.0	7.4	7.9	7.4	8.6
Pulley Bore (in.)	1	1	1	17/16	17/16	17/16	115/16
Belt No. — Section	1—A	1—A	1—A	1—B	1—B	2—B	2—B
Belt Pitch (in.)	41.3	37.3	37.3	39.8	39.8	36.8	37.8
FAN SPEEDS (rpm)
Factory Setting	961	1121	1121	979	1060	1118	1024
Range	838-	978-	978-	873-	950-	1014-	873-
Range	1084	1200*†	1200†	1096	1171	1200†	1075
	1084	1200*†	1200†	1096	1171	1200†	1075
Max Allowable Speed (rpm)	1200	1200	1200	1200	1200	1200	1100
Change per 1/2 Turn of
Moveable Motor Pulley	24.6	28.7	28.7	19.4	18.4	19.4	16.7
Flange
MAX FULL TURNS FROM	5	5	5	6	6	6	6
CLOSED POSITION	5	5	5	6	6	6	6
CLOSED POSITION
SHAFTS CENTER DISTANCE (in.)	10.44-	10.44-	10.44-	10.44-	9.16-	8.16-	6.67-
SHAFTS CENTER DISTANCE (in.)	12.32	12.32	12.32	12.32**	10.99	10.02	9.43
	12.32	12.32	12.32	12.32**	10.99	10.02	9.43

*Values for 3-phase motor shown. For single-phase motor, pulley pitch diameter is 7 in. and resulting fan speed is 837-1096 rpm.

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

**575-v unit has a center distance of 9.16-10.99.

524A072-300

569F, 566E, 566D, 569D, 576C specifications

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Bryant 569D, 576C, 566E, 569F, 566D manual MEDIUM-STATIC Drive Data, HIGH-STATIC Drive Data

Models: 569F 566E 566D 569D 576C