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Usha table fan winding connection

I have one usha table fan .I removed the winding .I have done new windingbut i do not know how to give connection to that winding.
we are using ac 240 volts.that winding has a 4 plus 4 coil set.plaese give idia to connection.

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SOURCE: What is the correct schematic of any stand fan winding?

If you cut the coil ... your chance of actually making a repair are very limited. If you are skilled at using a volt/ohm meter, you can probably tell which one goes to which one ... actually making the solder or cold repair and getting it back into an enclosure will be difficult.

You can check the individual pieces of the wire using the ohm part of your meter checking contunity.

Posted on May 02, 2010

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Table fan winding&connection daigram


  • I have a Bionaire brand table electric fan.
    • It has a 3 speed fan motor.
    • The electric motor is a BM-122 Decomin brand 3 speed motor.
      • There are 6 wires:
        • Red wire.
        • Black wire.
        • White wire.
        • Yellow wire.
        • Gray wire.
        • Blue wire.
          • The motor has a 4mu 250volt capacitor.
  • This fan has an oscillating grill with independent sync motor, and timer circuit.
  • Something was wrong with the solid state circuitry (everything worked but the motor!), but a quick test of the motor indicated it does work.
  • The motor uses a start and run capacitor.
  • I decided to change controls to a simple mechanical switch and fore go for now anything beyond 3 speeds.
  • The printed circuit board shows the following connections:
    • Black wire
    • Blue wire
    • Yellow wire
      • Are respective for the:
        • High fan motor speed
        • Medium fan motor speed
        • Low fan motor speed
  • I think the gray wire goes out to the oscillator motor.
    • The Red wire is marked as Line, for the power source.
  • All wires are in continuity with each other EXCEPT RED is not with any other wire. How to Verify Fan Motor Wiring Connections
    • Checking the Motor and Capacitor Connections
    • Double check your connections using the fan wiring diagrams.
    • You should see that there is a separate motor winding for high speed.
      • The concern is that there is a capacitor for the motor.
      • So I'm thinking that the motor may have to start with the slower speeds first.
      • and not start in the high speed because the motor or capacitor has not been designed for that type of operation.

Sep 29, 2016 | Fans

Tip

How to Reverse the Rotation of Single Phase Capacitor-Start Electric Motors


Reversing the rotation of electric motors can be done easily with 3-phase motors. This can be easily achieved by swapping the connection of any two motor leads. But 3-phase motors are usually found and used for industrial purposes. The ones found and used in our homes, from water pumps to electric fans, are single phase capacitor-start type motors. Unlike 3-phase motors, reversing the rotation of single phase electric motors is no easy task. Swapping any two motor leads will not result in the reversal of the motor rotation. Analysis of the motor windings and connections are necessary before any modification can be done to achieve the desired result. Let's take a 3-speed single phase capacitor-start electric motor with electrical diagram shown below as an example. Make sure the motor is disconnected from the power supply before attempting to follow this tip. This tip is intended only for individuals with electrical knowledge, necessary tools, and understand the risks associated with handling electrical equipments and devices.

jahn27.jpg

The first step in the process is determining the start winding which is connected to the line (AC white) and to one side of the start capacitor. To accurately determine the start winding, disconnect all motor leads from the start capacitor and the speed switch for multi-speed motors and then setting your ohmmeter to the lowest scale (R x 1), measure the resistances between the AC white line and each of the motor leads connecting to the start capacitor. The one with the least resistance is the starting winding lead.

Once the start winding lead going to the capacitor is determined, reconnect the capacitor then connect the black AC line to the found start winding lead (marked X). Connect the white AC line to L of speed switch, the motor lead formerly connected to AC white to 3, red to 2, and white to 1 as shown below. Leave the green/yellow ground wire connection as is.

jahn27_0.jpg


Below are the wiring modifications for 2-speed and single speed single phase capacitor-start electric motors.

jahn27_1.jpg


jahn27_2.jpg



jahn27_3.jpg


jahn27_4.jpg

on Jan 11, 2011 | Fans

1 Answer

My fan motor is not working totaly


PROBLEM; My fan motor is not working totally!
So, i guess that your fan motor is working partially
because it is not working totally.
Please try to be more vague, if you posibably can be.
You will loose 10 points if you actually give any one an idea of what could be wrong with your fan.---ha-ha! sorry,it just seemed too funny to me.
Sounds like:----option #1------- your fan motor is either not running at proscribed speed (fer instance, high is not high enough or low is too low.) This is usually caused by lack of oil on the fan motor bearings.,easy to oil the bearings & dirt cheap too.
but could be caused by an almost burnt out fan motor.In that casethe Motor is not fixable, & needs 2 -B replaced, but dont bother to. It is cheaper to buy another fan at wal marts.
option #2
that portions of the 2 speed or 3 speed selector switch are not totally making contact.
or --option # 3, one of your motor windings could be burnt open.
So,let me start with --#3-- the worst case senarieo
Diagnostic proceedure for Dr. Fixit
You need to supply 120 volts ac in turn to winding lead #1, then to winding lead #2 and then to winding lead #3----
There are 4 wires on a 3 position fan speed switch.
1 wire for low speed,1 wire for medium speed and 1 wire for high speed. This looks like the letter Y with each leg of the Y
[ around the outside of the Y ] being one speed winding. THe neutral return wire would hook up to the center of the Y and this would give you your 3 circuits, depending on which outside leg
that the speed selector switch selects. lo,med or hi--- the neutral return wire at the center of the Y will compleate the circuit, one winding at a time ,depending on speed selector switch setting, for all 3 speeds.
All 3 speed windings need to work for the fan motor to work totally.
If one speed winding is burnt open, the fan motor will only work partially, 2/3rds ,that is. You can still use the fan by cutting off the lead of the bad speed winding and using the other 2 windings.
If 2 wings are bad and dont run, the fan will still work partially with only 1 speed.
If you have no-- or intermittant contact on your fan speed switch,
you will have to order a new replacement switch. This is assume-ing that all 3 speed windings worked properly at their respective speeds , when you tested them earlier , with the speed selector removed from the circuit for testing of the motor windings to see if they each work with the selector switch out of the circuit
If you know that all 3 speed windings run ok , with the selector switch cut out of the circuit, then you know that the speed selector switch is bad.
Firstly,unplug the fan from the electricity so that your hair does not stand up on end, which would surely be a shocking experience.
secondly,
remove the old speed selector switch, noting down on paper, what color wires go where and put the same color wires from the new switch back in the same place that that color wire of the old switch came off of.
(i know this sounds funny, but it really totally works.)
use electrical tape and/ or wire nuts to make electrical connections, if necessary.
With the new switch installed, the 2 or 3 fan motor speed settings will now totally all work.
most electric fans have steel rotor shafts with bronze bearings.
they "call" them oilite bearings,susposedly because the bronze bushing (it is really a bronze bushing) but called a bearing, is oil impregnanted and susposed to be good for the life of the fan.
that is only true if you expect the life of the fan to be ONLY 18 to 24 months which is the average time that the factory oil lasts.
the oil dries up the longer the fan runs and the shaft makes the bronze bushing begin to heat up due to increased friction and eventually wear the round bronze bushinhg egg shaped.
Try giving your bearings a good healthy squirt of sae 30 wieght oil from a zoom spout-- [pull out straw squeeze bottle refillable oiler.]
I recommend oiling both the front and real fan motor bearings once a month.
This is the most common cause of fan failure.
Because I oil my fans bearings once a month,I still have fans that run from 1940,1950,1960 and 1970. The 1940 GE fan lasted 70 years and is still running strong.
Some newer fans have chinese ball bearings , but the ball bearings also die prematurely from lack of needed oil.
Sometimes, you can pry off the bearing race cover to get oil into the bearing.
a good trick here is to use wd40 if you think you cant get sae 30 into the bearing.
wd40 is a n extreemly light wieght oil that penetrates very well
and gets into places where you think it wont get into .
You can totally wet up a fan motor with either
sae 30 or wd 40 or both without worrying about the electric
motor being harmed by the oil.
the oil,sae 30 or wd 40 wont hurt the motor.
On badly rusted and nearly siezed fan motor bushings , or any electric motor as well, I use first wd40 for penetration and then sae 30 for good long duty lubricatin.
You may have to keep squirting ioil in the motor for 1/2 hour and end up with a puddle of oil under the fan motor, but about 40 % of the time ,you can bring back to life what yo thought was a dead motor. Perserverance is required and faith that you can fix the motor. 40 % of the time you get sucess to one degree or another and 60 % of the time ,its kaput for good.
I got all those fans i mentioned before because other people thought the bearing were seized and shot, and put the fans in the garbage pail where I rescued the fans from.
the bearings were almost siezed but far from shot becaue i got oil in to the shafts and bearings and another 12 to 20 years of life from the fans. However,i do oil them monthly in fan season, which is winter time for me, since I use fans to blow the hot air off of my wood stove.

Oct 10, 2013 | Fans

1 Answer

Wall fan remote control usha made not working


Did you repalce battery?Check first if the battery is good and the connection.Also claen the sensor of the remote and the unit.

Jul 13, 2011 | Fans

1 Answer

I have a honeywell upright fan, which was purchased about 18 months ago. The fan has just stopped working. The lights go on and it will oscillate but the fan has stopped functioning. Not sure how to fix it


Hi,
The problem would be the burn out thermistor(FUSE), it is located in the winding of the motor itself. Before that check the wiring connection in the speed switch, the main line might have cut off.
Using the tester, check the continuity of the fuse. You can't see the fuse, it is mainly covered and connected in the capacitor line.
The cause of the burned fuse is overheating, the shaft bushing needs oil or have to be replace!
Hope that helps you out!

Jun 09, 2011 | Honeywell HT-800 Table Fan

1 Answer

How many watt it have?


    Features and Benefits:
  • Powerful 3 speed turbo fan for fast focused cooling power or enhanced air circulation
  • High performance blades rotate for maximum air velocity through the wind tunnel turbo grill
  • Pivoting head can be adjusted in a 90 degree arc for varied air distribution
  • Versatile design makes this fan great for use on desk and table tops
  • Wall mounts with separate purchase of hardware
  • Equipped with a carrying handle for transport
  • Dimensions and Weight:
  • Size: 6.33" x 11.375" x 11.125"
  • Weight: 3.5 lbs.
    Power 50W @ 110V
    Power 60W @ 220V

Feb 14, 2011 | Honeywell HT-800 Table Fan

1 Answer

Will not run


Remove the plug and starrt from the plug to the fan unit connection, use a multimeter to check on the continuity of the wire and move on to check the switch and to the coils of the fan. See if the coils are short internally or if the winding is shorted to the ground. Check the capacitor if the coils are fine , replace and power. You fan must work or else you must check once again with a meter in ac mode the supply till the coils to confirm if the switch is working. I am sure unless the winding are short( in which case you will need rewinding) the fan will work. Hope you get this right. Good day

Aug 16, 2010 | Lakewood HV 18-c Floor / Box Fan

1 Answer

I just came from Trinidad and they use 110 volts and I'm now back in my island where they use 240 volts and not knowing too much about this stuff i plugged in my lasko fan using and adapter and the motor...


Unfortunately, probably not. The motor would only be designed to handle 110v, and it would burn up with 240v applied. You can take it apart and inspect it, hoping maybe for a bad switch, but chances are the motor is, as you say, blown. Sorry to have to relay the bad news.

Jun 03, 2010 | Lasko 3440 Wind Tunnel Floor / Box Fan

1 Answer

Why does a table fan slow down after some time?


Revolving blades in table fans pushes out air towards the front by creating a vacuum at the back of the induction motor. Other than providing air flow, the gush of air also cools the motor. Over time, esp if used in a polluted surrounding, dust collects inside the motor and causes friction in the shaft. If left for a prolonged period, this friction causes heat eventually drying up the lubrication, causing breakdown in the motor amature windings and also a leaky starting capacitor, thus slowing down rotation and also a complete failure.

2. Fans must be regularly taken apart, cleaned and lubricated. It is fairly easy if you are willing to learn. My India made Usha brand table fan is 48 years old and is still running smooth - just changed the start capacitor last year and my National ceiling fans are more than 35 years old.

3. In fact all moving parts in any equipment must be periodically taken apart, cleaned free of dust and grime and freshly lubricated. It will outrun your lifetime and serve the next few generations.

Best Regards,

Mahathev of Malaysia

May 29, 2010 | Cfm 802 Ecofan Table

1 Answer

Electrical cables are all black & I need to find which is live &


ac, aka, alternating current, is the type found in your house. dc, aka, direct current, is the type found found in your car...or any other type of battery. If you have a total of three wires, one green, (ground) and the other two are black, then the two black wires are your alternating current wires. If this is the case, hook up your black wire from the fan and light to one of the black wires, and the whites, or commons, to the other black wire. In alternating current it does not matter which wire goes to where.
If there are 3 black wires, and a ground wire, then you will have to use your volt meter, and check the voltage from the wires, you should take three readings (wire a-b, wire b-c, and wire a-c) two readings will give you 120 volts and the third will give you 240 volts (approx) The two wires that give you 240 are your hot leads, and are probably controlled seperatly by wall switches. Hope this helps.

Jun 22, 2009 | Fans

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