Question about Panasonic FV-08VKS1 WhisperGreen Ceiling Mount 80 CFM

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Re: wiring the FV-08VKS1

Not including the ground, there are four wires coming from the fan, black,white, and two reds.  Can a three wire romex be used to connect fan to wall switch?  I would assume the fan's two reds would connect to the one red in the romex, which would then connect to the hi/lo switch in the wall switch.  The black would connect to the on/off switch at the wall.

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  • 3 more comments 
  • egispan Jan 05, 2009

    I think the efi link has an old wiring diagram.  There are two red wires coming from the fan - see attached wiring diagram from the installation instructions that came with the fan. Thanks.

  • sam704 Feb 01, 2009

    I'm replacing an old fan with this model. My old fan has two wires. It sounds like I need to add a set of wires that are hot all the time to run in both modes. If I tie the red wires together won't the fan stop running as soon as I turn it off at the switch? I'm looking for a clearer explanation on how this is wired up. Thanks.

  • Tripp REa May 11, 2010

    Confusing because this wiring diagram for fan shows only one red coming from fan at Junction box...

    Are you sure you are supposed to have 2 reds? possible one is looped or got cut?

  • Anonymous Mar 31, 2014

    I just bought a os31ou auto on sensor switch for my wall my old wall switch only has two wires white and red will this switch still work what wires do I hook up

  • Anonymous Mar 31, 2014

    I just bought a os31ou auto on sensor switch for my wall my old wall switch only has two wires white and red will this switch still work what wires do I hook up


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The black and white in the fan box are the main power and neutral for normal (low speed) of the fan. The two reds are the signal wires. It is basically a switch loop. You will actually need a total of 4 conductors (plus a ground) in order to run the high and low speed of the fan. The four conductors consist of 1) power from one switch to power up the fan, 2) neutral, 3) signal going to second switch, 4) signal going back to fan from second switch in order to run high speed. Without four conductors you can still run the high speed only by tying the two red wires in the fan together. This would be like always having the second swith in the on position. Hope this helps.

Posted on Jan 23, 2009

  • Mike Krall
    Mike Krall Jun 02, 2015

    Do the black and white need to run through an accessible switch, or does the circuit breaker perform that function? Asking because it seems odd to have to switch on the constant, low power aspect.

    And do I have this right... the two red signal wires override the low power setting and put the fan on high (80cfm), then, when that switch is turned off, the delay timer keeps the fan on high for the set amount of time. ???


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Feb 28, 2011 | Hardware & Accessories

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