Payne PF1B, Manual

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APPLICATION DATA (cont)
STANDARD FAN MOTOR DATA — INDOOR UNIT
208/230-1-60, 208/230-3-60 AND 460-3-60 MOTORS
UNIT
PF1B
090
Speed (rpm) 1725
Hp 2.4
Frame (NEMA) 56Y
Shaft Dia (in.) 5 ⁄
8
LEGEND
NEMA — National Electrical Manufacturers Association
STANDARD DRIVE DATA — INDOOR UNIT
UNIT
PF1B
090
MOTOR DRIVE
Motor Pulley Pitch Diameter 2.8-3.8
Pulley Factory Setting
Full Turns Open
2.5
FAN DRIVE
Pulley Pitch Dia (in.) 8.8
Pulley Bore (in.) 1
Belt No. — Section 1—A
Belt Pitch (in.) 41.3
FAN SPEEDS (rpm)
Factory Setting 647
Range 549-745
Max Allowable Speed 1200
Change per
1
⁄
2
Turn of
Moveable Motor Pulley
Flange 19.6
MAX FULL TURNS FROM
CLOSED POSITION
5
SHAFTS CENTER DISTANCE
(in.)
10.44-
12.32
FIELD-SUPPLIED AND INSTALLED MEDIUM-STATIC
DRIVE DATA
UNIT
PF1B
090
MOTOR DRIVE
Motor Pulley Pitch Diameter 3.4-4.4
FAN DRIVE
Pulley Pitch Dia (in.) 8.0
Pulley Bore (in.) 1
Belt No. — Section 1—A
Belt Pitch (in.) 40.3
FAN SPEEDS (rpm)
Range 733-949
Max Allowable Speed 1200
Change per 1 ⁄
2
Turn of
Moveable Motor Pulley
Flange 21.6
MAX FULL TURNS FROM
CLOSED POSITION
5
SHAFTS CENTER DISTANCE
(in.)
10.44-
12.32
FIELD-SUPPLIED AND INSTALLED HIGH-STATIC
DRIVE DATA
UNIT
PF1B
090
MOTOR DRIVE
Motor Pulley Pitch Diameter 3.4-4.4
FAN DRIVE
Pulley Pitch Dia (in.) 6.0
Pulley Bore (in.) 1
Belt No. — Section 1—A
Belt Pitch (in.) 37.3
FAN SPEEDS (rpm)
Range 978-1200
Max Allowable Speed 1200
Change per 1 ⁄
2
Turn of
Moveable Motor Pulley
Flange 28.7
MAX FULL TURNS FROM
CLOSED POSITION
5
SHAFTS CENTER DISTANCE
(in.)
10.44-
12.32
IMPORTANT: Do not adjust rpm so that motor is overloaded.
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