20.03.2013

Three wire ceiling fan light switch 220v,hampton bay ceiling fan light covers youtube,commercial wall fans nz herald - Reviews

Author: admin  //  Category: Victorian Ceiling Fans


The Modern Fan Company 002 Three Wire Fan Speed & Light Control Wall Switch is a intended for operation of a fan with a light. The light fixture has one yellow wire which doesn't appear to be attached to anything and one white wire which is composted of two wires which attaches to the actual light part. I tried attaching the yellow wire to the black wire, the white wires to the white wire and capping the copper wire, but that didn't work.
The diagrams on this page are for wiring a ceiling fan and light kit often used in a living room or bedroom. This wiring diagram illustrates the connections for dual controls, a speed controller for the fan and a dimmer for the lights. This diagram is similar to the one above, but with the electrical source originating at the fixture. This wiring arrangement allows for lowering the lights with a dimmer and controlling the fan with the built-in pull chain. Use this wiring when the source is at the fixture and you want to control the feed to both components with the same switch.
Use this wiring when the power source originates at the switch and you want to control both the fan and light from there. The right size ceiling fan for your room depends on more than just the square footage or your area.
As a general rule, you can start with the recommended fan for a given room size as follows: For a large room of 15'x15' or more, choose a ceiling fan with a blade span of 52, 56 or 60 inches. Usually there is a small sliding switch on the side of the motor housing that will control the fan direction. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts.
There are some devices that look like ordinary light dimmers, but are sold expressly for ceiling fan speed control.
I've heard people say "don't run a fan on a dimmer; you will start a fire", but don't say why.
I also know when I bought this house, a different, uglier fan controller of a similar type was installed.
Can someone tell me, as an electrical engineer, exactly what these fan speed controllers do, electrically? I was recently (today) helping someone with their home renovations, including replacement of the three-speed fan controllers. I infer that the fan controller works by inserting a capacitance into the fan's power supply circuit.
I don't understand single-phase induction motors well enough to state with certainly exactly how the extra capacitance modifies the speed of the motor. Note that single-phase induction motors aren't self-starting and must include a phase shifted auxiliary winding to provide starting torque. I believe the way capacitance modifies the speed of the motor is similar to using a capacitor as a transformerless power supply. My understanding of light dimmers is that they do not control voltage but cut off the voltage during part of the cycle. Ceiling fans have a higher current rating than lights, and higher current means more heating (heating caused by current is proportional to the square of the current). The average ceiling fan's steady state current is lower than a 60W incandescent light bulb. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site.
Not the answer you're looking for?Browse other questions tagged fan speedcontroller or ask your own question. What's the English phrase to describe men who are standing next to each other, facing in opposite direction),?
Wiring arrangements for an electrical source at the switch and at the ceiling fixture are included, as well as controls for fan speed, light dimmer and a single-pole switch hardwired to control the light with a pull chain.


These include a timer to control the fan, a single-pole switch controlling the fan, and an exhaust fan and light fixture wired on two different switches. The white wire is usually the neutral which is always connected directly to the source neutral, either at the source or through a splice in the switch box.
The source is at the controllers and the input of each is spliced to the black source wire with a pigtail. The white wire is no longer used for hot and the source neutral is run through to the switch box to satisfy the 2011 NEC requirement of a neutral wire in all switch boxes. The source is at the ceiling outlet box and 3-wire cable runs from there to the switch box.
Three-wire cable runs from the fan to the switch box and the source neutral is spliced to the white wire and to the fan neutral. These fans usually come with a small electrical connection box welded to the side of the housing. There should be two hot wires and a ground coming out of the timer casing, splice one of these to the hot source. The light is controlled with a single-pole switch and the fan controlled with a timer as in the previous drawing.
Furniture, normal ambient temperature for the room, and ceiling height will all have an effect on the efficiency of the fan you choose. For a 12'x12' room, go with 44 to 48 inches of blade span, and for small rooms of 8'x8' or so, a blade span of 36 inches should do the trick. This function allows for more efficient cooling in the summer and for circulating heat in the room during the winter. Yet, that Lutron sells this device expressly for fans suggests it is something other than an ordinary triac light dimmer, and that it's totally safe, but they also don't say why. Could it be that this ceiling fan is designed for this type of control, where others are not?
Adding capacitance changes the power factor, changing how much power the fan dissipates as heat. Changing the power factor shouldn't significantly change the amount of power dissipated as heat - just the amount of power dissipated total. I was trying to control 2 ceiling mounted regular room fans with a lutron 3 speed box mounted fan controller (which I found later to be a problem because the combined amperage draw exceeded the switch capacity). When a triac is triggered it stays on until the current through it falls below its hold-on current (pretty close to zero). Fan controllers would be equipped to handle greater amounts of heat, while light dimmers which typically operate at lower currents would burn due to overheating.
The neutral from the source is spliced directly to the white wire on the fan kit and the cable, running it through to the switch box. The source hot is spliced to the red wire which is connected to the bottom terminals on the switch at the other end. With this arrangement the light is controlled with the switch and the fan is hardwired for pull-chain control. With this arrangement, the fan is controlled by a pull-chain on the motor housing and the light is controlled with the switch.
The hot source is spliced to each controlling device and the output of the controllers are connected as in the previous diagrams on this page. If you're installing more than one ceiling fan in a room or hall, set the distance between the two at 2 times the blade span. With this attitude, a counter clockwise spin will force air down into the room creating a cooling breeze. In most cases sliding the switch down will set counter clockwise spin, while sliding it up will set clockwise spin.
Unlike an ordinary dimmer, this has a three-position switch for low, medium, and high speeds, instead of a continuously variable knob. Using different values of capacitor in series with the fan motor will mean that different voltage levels are applied to the fan motor.


But there may be some heat caused by the switching of an inductive load - just guessing, or heat in the motor coils from the irregular wave form? Standard mode of operation is to delay the trigger - the more delay the less on-time - and let the normal zero-cross of the mains turn the triac off at the end of each half-cycle. The black wire is splice to the output on the speed controller and to the black, fan wire at the other end.
The hot source wire is spliced to the white on the 3-wire cable and then spliced to the input wires on both controllers at the other end. The black wire is connected to the top terminal on the switch which runs power back to the fan where it is spliced to both the black and blue fan wires. The black cable wire is connected to the top terminal on the switch and spliced to the black and blue wires at the fan at the other end.
Clockwise rotation will pull air up to the ceiling, disturbing the warm air collected there and circulating it throughout the room to warm things up. In order to operate your fan at different speeds and switch your light independently of your fan, an appropriate control should be selected.
The red wire is spliced to the output on the dimmer and to the blue, light wire at the other end. At the other end, the black cable wire is spliced to one of the hot dimmer wires, it doesn't matter which one.
The neutral source and ground are spliced through to the white and ground connections at the fan. Capacitors are used to achieve voltage drop because they don't create heat as would a resistor which would therefore pose a fire risk. When I switched the controller to the medium setting (44 VAC), the fans would quit working, also on the low setting (26 VAC).
This works fine for a light which will glow through the cycle and smooth out the power curve.
The ground should be spliced with a short piece of wire and connected to each device and outlet box that has a grounding terminal.
The neutral from the source is spliced in the switch box with the white wire, and to the neutral wire on the ceiling fixture at the other end. The other dimmer wire is spliced to the red wire in the switch box which is spliced to the blue, light wire at the other end.
So then I opened up a celing fan to find that it was a single tap fan motor with a capacitor controled with a black box for the speed. Third party controls are generally compatible but must be FAN SPEED CONTROLS with specific speed settings.
In these drawing the brass colored terminal represent the hot side of the device and the silver colored terminal represent the neutral. Connect the ground to the grounding terminal in the connection box and the ground wire from the fan, if there is one.
So my theory is that a multi speed tap fan motor will need some sort of capacitor inline with the high speed winding circuit (5uf?) in order to operate at the lower voltages of the medium and low switch positions.
Without the capacitor the voltage does not have enough balls (for lack of better term) to keep the fan motor turning at reduced voltage. Also the fan controller has a current rating of 1.5A, and a light controller has a current rating of only 600W, I think that is where the fire hazard comes into effect.
A non-dimming version of our #002 (designated by the suffix "ND") is available for use with a fluorescent lamp.



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