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Posted by on March 19, 2007, 7:56 am
So the bottom line is that the speed control is not encased within the
receiver itself? The receiver has writing on it that states: 120V/60Hz
MAX. Motor 1A Ceiling Fan Only Max. Light 300 watts incandescent only
solid state speed control 0406.
> The speed control for your fan is built in as an integral part of the motor
> using its own switching power supply. There are electronics in front of the
> motor that are used to change the duty cycle for the motor. By using a
> light dimmer in front to supply the fan unit, the power supply and control
> drive electronics in the fan unit will be damaged!
>
> What you really need is to return the fan unit, and get yourself simple
> ceiling fan that is compatible with an external dimmer!
>
> The light dimmers change the duty cycle to the load, not the voltage. This
> is how they give the dimming effect. This duty cycle shift moves in phase in
> relation to the AC source. The effective drive to the load is reduced,
> because of the phase shift between the output of the dimmer in relation to
> the input is offset, and thus giving a lower average voltage output based on
> the duty cycle offset. The spiking or switching effect of this offset will
> damage most electronic devices, except for simple loads such as heating
> elements or incandescent light bulbs.
>
> There are some types of compact fluorescent lamps that are designed to be
> able to work with a standard light dimmer. They employ some complex
> circuitry in the ballast supply to compensate for the duty cycle offset.
> Regular compact florescent lamps can be damaged with a standard light
> dimmer.
>
> --
>
> JANA
> _____
>
>
> Hi ~
>
> I just bought a Harbor Breeze 52" Avian Ceiling Fan (Model #75849)
> from Lowes. Unfortunately, this model comes with a remote control
> function and I need to hardwire it. The sales representative convinced
> me that all I need to do is to throw away the ceiling fan remote
> control and receiver and then hardwire the light to the wall switch
> and hardwire the fan connection to a Lutron (SFSQ-F Single Pole Fan
> Control Quiet 3-Speed) fan control.
>
> As you are probably aware, there are all types of warnings in the
> instructions not to wire this remote control fan to a solid state
> speed control. I find this interesting because the receiver for the
> remote control unit states that it is a solid state speed control.
>
> Am I correct in assuming that if I remove the wireless receiver and
> hook it up to the Lutron solid state speed control switch everything
> will work fine? Any advice would be appreciated. Thanks.
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