INSTALLATION INSTRUCTIONS READ & SAVE THESE INSTRUCTIONS!
Solid-State
Speed Control
MODEL: CFVS-1N
For use with NuTone Model WHV-20 Whole-House Ventilator.
1.Install
2.Run 120vAC, 60Hz power line to switch box.
3.Run 14/2 cable from switch box to fan location.
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.
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.
TO FAN | BOX |
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| CONNECTOR |
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| SINGLE GANG |
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| SWITCH BOX |
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| BLK | BLK | LOW SPEED |
| ADJUSTMENT | ||
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| TRIMPOT |
| WHT |
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BLK |
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120vAC, 60Hz | BLK |
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POWER SOURCE |
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| SPEED |
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| CONTROL |
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| CONTROL |
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| KNOB |
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| GREEN |
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| GROUND |
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| WHT |
| BLK |
120V LINE FROM SWITCH
