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SD_FANS_M_M0019 - 25/01/18 Page 3 of 4
Fan Size A B C
D
(c/c)
E N Framing
12" 17 1/4" 17" 6" 16" 14 3/4" 3 15 X 15
18" 23 1/4" 15" 6" 22" 20 3/4" 4 21 X 21
24" 29 1/4" 18" 6" 28" 26 3/4" 5 27 X 27
200V 230V 460V 200V 230V 460V 200V 230V 460V
1/8 14(18)* 14(18)* 14(18)* 14(18)* 14(18)* 14(18)* 14(16)* 14(16)* 14(18)*
1/6 14(18)* 14(18)* 14(18)* 14(18)* 14(18)* 14(18)* 14 14(16)* 14(18)*
1/4 14(18)* 14(18)* 14(18)* 14(16)* 14(18)* 14(18)* 14 14 14(18)*
1/3 14(18)* 14(18)* 14(18)* 14(16)* 14(16)* 14(18)* 12 14 14(18)*
1/2 14(16)* 14(18)* 14(18)* 12 14(16)* 14(18)* 10 12 14(18)*
3/4 14(16)* 14(16)* 14(18)* 12 14 14(18)* 10 10 14(16)*
1 14 14(16)* 14(18)* 12 12 14(18)* 8 10 14(16)*
1 1/2 12 14 14(18)* 10 10 14(16)* 6 8 14
2 12 12 14(18)* 8 10 14(16)* 6 6 12
3 10 12 14(18)* 6 8 14 4 6 12
25 to 50 Feet 100 Feet 150 to 200 Feet
Motor HP
INSTALLATION
Installation is fast and simple. A sturdy framed wall opening should be prepared in advance to the size indicated for your fan in the charts above.
With lag bolts for wooden frames or nut, bolt and lock washers for steel frames, secure the fan using the four mounting holes provided, one in
each corner of the fan.
ELECTRICAL CONNECTIONS
WARNING: BE SURE POWER IS OFF AT THE ELECTRICAL PANEL BEFORE WIRING.
WARNING: ALL ELECTRICAL WORK SHOULD BE PERFORMED BY A QUALIFIED ELECTRICIAN.
These fans are supplied with single, two or variable speed motors. Single and two speed motors are 120V only. Variable speed motors are dual
voltage. All dual voltage motors are pre-wired at 240V in our factory. Rewire motor as per motor nameplate if running fan at 120V. Please see the
motor nameplate for wiring diagram. Make electrical connections in motor connection box as per the motor nameplate. Follow Chart #1 for wire
sizes. Two speed fans require a two speed control or 3 position toggle switch to change from high/ low/off. See wiring diagram with control for 2
speed wiring instructions.
CHART#1
Table A Minimum Wire Sizes for Three-Phase Motors
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