Carrier 40RUA [70/80] Table 9c high static drive data 60 hz english

Carrier 40RUA [70/80] Table 9c high static drive data 60 hz english
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Table 9C -- High--Static Drive Data, 60 Hz — English
UNIT
40RUA*25
40RUQ*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.) 4.3---5.3 4.3---5.3 4.3---5.3
Pulley Factory Setting
Full Turns Open
3.0 3.0 3.0
FAN DRIVE
Pulley Pitch Dia (in.) 7.4 8.6 8.6
Pulley Bore (in.) 1
7
/
16
1
15
/
16
1
15
/
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---1200Ă
873---1075 873---1075
Max Allowable Speed (rpm) 1200 1100 1100
Change per
1
/
2
Turn of
Moveable Motor Pulley
Flange
19.4 16.7 16.7
MAX FULL TURNS FROM
CLOSED POSITION
6 6 6
SHAFTS CENTER DISTANCE (in.) 8.16---10.02 6.67---9.43 6.67---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
40RUQ*25
40RUS*25
40RUA*28
40RUS*28
40RUA*30
40RUS*30
MOTOR DRIVE
Motor Pulley Pitch Diameter (mm) 94.0---119.4 109.2---134.6 109.2---134.6
Pulley Factory Setting
Full Turns Open
3.0 3.0 3.0
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) 1113
(2) 1987
(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
/
2
Turn of
Moveable Motor Pulley
Flange
0.255 0.218 0.218
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.
40RU

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