INSTALLATION INSTRUCTIONS
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Solid-State
TO FAN
BOX
CONNECTOR
Speed Control
MODEL: CFVS-1N
SINGLE GANG
SWITCH BOX
LOW SPEED
BLK
BLK
ADJUSTMENT
TRIMPOT
For use with NuTone Model WHV-20
Whole-House Ventilator.
WHT
1. Install single-gang switch box.
2. Run 120vAC, 60Hz power line to switch box.
3. Run 14/2 cable from switch box to fan location.
BLK
BLK
4. Refer to wiring diagram and make connections.
CAUTION: Be sure all wiring complies with local electrical
codes and switch and fan are properly grounded.
120vAC, 60Hz
POWER SOURCE
SPEED
5. LOW SPEED ADJUSTMENT: Turn the main control shaft
fully clockwise. If the fan is not running at the desired
speed, use an insulated screwdriver to adjust the trimpot
until the desired speed is achieved (turn clockwise for
slower, counterclockwise for faster). Make low speed
adjustment so that the louvers stay open when the
ventilator is operating.
CONTROL
CONTROL
KNOB
GREEN
GROUND
WHT
BLK
120V LINE
FROM SWITCH
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