Exhausto BESF 146, Installation & Operating Manual

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4. Wiring
4.1 Electrical Requirements
All electrical wiring must be in accordance with the requirements of the authority having jurisdiction, or,
in the absence of such requirements, with the National Electrical Code-NFPA 70.
4.2 Wiring Diagram — BESF 146-180
Ventilator and motor specifications can be found on page 5. The ventilator can be equipped with a
variable speed motor. Fig. 7 shows a typical wiring diagram for a BESF utilizing a Fan Speed Control.
Fig. 7
To fan
To power
Blac
k
Blac
k
White
White
Red
Green
Variable Speed
Fan Motor
1 x 120 VAC, 60 Hz
Red
Black
White
LEGEND:
Factory Wired
Field Wiring (14AWG)
Connection (wire nut)
Neutral
Hot
Capacitor
Fan Motor
2-pole double-
throw switch
Fan speed
control
The above diagram shows the
wiring of the capacitor in the
junction box.
*
* Use only EXHAUSTO supplied Fan Speed Control