The main ways of connecting the motor to a modern automatic washing machine
There are 4 main types of motors used in washing machines:
- With a variable power supply: Asynchronous, synchronous motor.
- With constant power: Collector motor, inverter motor (or direct-drive motor),
They are all different, but have a couple of options for connection doing the same task. set in motion including automatic washing machines. Before we figure out how to connect a washing machine motor to the power supply, if you want to understand in detail at the end of the article written about the differences between the motors of the machine, and then let’s see how to connect them.
Necessary materials and tools for washing machine motor repair
Let’s break this into two groups. In the first we assign, that exactly what you will need for any repair of the electric motor of the washing machine, and in the second additional tools that will be needed if, something goes wrong as planned.
Guaranteed to be needed to repair the machine:
- Screwdriver with indication;
- A pair of screwdrivers (Phillips, flat, star) (Example for replacing brushes);
- A set of wrenches;
- Pliers (Pliers);
- A soldering iron;
- A flashlight or portable lamp;
It is recommended to have the following tool:
- Forceps pliers;
- Pliers for clamps;
- A ruler;
- A hammer (regular and wooden);
- Metal service hook;
- A small gas torch;
- A long rod with a mirror on the end (allows you to inspect hard-to-reach areas of the dispenser);
- Pliers used to press the pins into the connectors;
- Puller for the bearings of the washing machine;
- Electric screwdriver;
When doing something, it is better to be prepared for more than you planned. This is especially good if you do the work not at home (in the village at relatives, at friends in town, etc.).д.), and the washing machine is always full of surprises and its connection can be not so simple
- Sealant preferably silicone;
- Water-resistant glue;
- Heat shrink tubing and/or electrical tape;
- Rubber bands for the gaskets;
- Lubricant (WD-40 or similar);
- For automatic washing machines from LG. take at once the Hall sensor. In 90%. it is out of order.
Theory of a 220V Electric Screwdriver
Asynchronous motors for single-phase networks, are basically motors with two-phase windings and with an auxiliary phase taken from a capacitor. Such motors are used in household appliances. A similar motor is used in particular in the drive of a washing machine. In addition to two-phase winding motors, three-phase winding motors are sometimes used in some other household appliances.
During direct starting the motor may receive a current far in excess of its nominal value from the mains. This current is called motor starting current, and its value varies around Ir = 5-7In.
One way to reduce inrush current is to use a star-delta switch. A motor designed to operate with a stator in a triangular arrangement at a given line voltage is incorporated in a star system at the time of starting:
Because of the reduced voltage entering the stator winding phase and the change from delta to star connection, the current taken from the mains will be three times lower than the starting current in a delta circuit. However, when connected in a star, the motor has three times less starting torque, which makes it impossible to use this method during heavy starting (with a heavy load).
Capacitor for electric motor
where Pn [W] is the rated motor power, U [V] is the supply voltage.
This formula is also suitable for calculating the starting capacitor value for single-phase motors with a starting phase.
For larger motors ( 1 kW) a capacitance of about 70 μF / 1 kW is assumed. It is necessary to use starting capacitors with operating voltages of 400.630 VAC.
You can omit the calculations and simply connect a standard washing machine motor to 1 phase 220V with a 7 microfarad capacitor between the correct terminals. Connect the first mains wire to the middle and the second one to one of the capacitors, depending on the direction of rotation. The power loss is 30% in theory.
The question of choosing a capacitor is easily solved. Here are examples of capacitance values for different motor powers.
Pn [W] 90 120 180 250 370 550 750 1100 C [μF] 4 5 6 8 12 16 20 30
The washing machine has the same power of rotation in both directions. These are motors with a typical connection for a single-phase motor. The main winding is connected directly to 220 V and in parallel with the phase winding and the capacitor connected in series. If you reverse the phase winding wires, the motor will rotate in the other direction, but the power will be slightly less. This circuit works during the spin cycle. Same for slow and fast rotations. the capacitance is switched inside the washer from 7 uF to 16 uF. Read more about the capacitor here
Dismantling the asynchronous motor
To remove the motor, remove the back of the washer by unscrewing the screws around the perimeter. Setting the panel aside, locate the motor at the bottom under the tank. Disconnect the wiring and unscrew the bolts that hold the unit in place. After removing the motor from the machine you can plug it in.
The correct connection with your own hands
To connect the motor of the old type is a little more complicated. You can tell the color of the wires with a collector, but with an asynchronous motor, you have to wire each output.
Armed with a multimeter, test each wire in turn to find the starting winding. You need to find paired wires that show the same resistance. Write down all the values, you will need to compare them later.
After testing both windings and recording the readings, compare them. The operating winding has a lower resistance than the starting winding, and the inrush winding has a lower resistance. It is not recommended to connect this motor through a capacitor, as it can put the motor out of operation.
If you start the motor and find that it turns in the wrong direction, interchange the start coil leads so that it rotates in the other direction.
Connecting to a washing machine
How to connect the motor to the washing machine? The peculiarities which must be taken into account to connect the electric motor from a washing machine to the 220 V circuit
- The connection model shows that the motor functions without a starting winding;
- There is also no starting capacitor in the wiring diagram. it is not required for starting. But the wires to the network must be connected strictly in accordance with the scheme.
Each of these motors is designed for 2 mains voltages. There are two connection diagrams for this capacitor.
The electric motor from a washing machine can be connected:
By switching the windings, one achieves a change in the rated voltage of 1 to 2. With existing electric motor jumpers and a block with 6 pins, you need to change the position of the jumpers.
With any connection scheme, the winding direction must correspond to the winding direction. Zero point for the “star” can be both the base of the winding and the end, in contrast to the “delta”, where they are connected only alternately. In other words, the end of the preceding with the beginning of the following.
Allowed the work of the motor also in a single-phase network, but not with absolute efficiency. Non-polar capacitors are used for this. With the capacitors included in the network, the maximum power will not exceed 70%.
Wiring a 220V motor from a washing machine
180W GOST 16264.1-85 from the washing machine type Malyutka (Kama-8M) from it go 4 wires to 2 separate windings, 1
2.4 ohm of active resistance. The machine was connected without a capacitor (time relay, thermal relay, button of saving modes./norm.). All old connections were broken. Trial connection directly to 220V clarified the efficiency (rotates, switches the direction of rotation). There are doubts in the long term viability of this simple connection scheme.
Resistance values. confused. is not enough in ohms. and on duration. I don’t know, I’ve made a couple of sharpeners.
NazAnd wrote : There is a motor AER 16 UHL4 220V
180W STATE 16264.1-85 from a washing machine like Malyutka (Kama-8M)
I would not lie, but I rewound similar engines. the work winding seems to be 0,41, and the starting, which immediately turns off after start. 0,14mm. This refers to ZWI with a thermal relay. I don’t think the Malyutka has gone any further.
So the second winding has to be disconnected after start up?
avmal wrote : the starting winding that shuts off immediately after startup is 0.14mm
Have you ever held in your hands a wire of 0.14 mm ?? It has an allowable current of 30 milliamps.
NazAnd wrote : The machine was connected without a capacitor. All the old connections were severed.
So the capacitor was ripped off in place of the connections.
NazAnd wrote : 4 wires come out of it to 2 separate windings, 1
winding 1. turn directly to 220v winding 2. turn through a paper capacitor 4-6mkF 600v also to 220v.
NazAnd wrote : from washing machine like Malyutka
Usually such machines served in everyday life “until the last breath”, and failed because the activator bushing was worn out, backlash appeared, the gland began to leak water. it got on the motor and it was out of order. As the comrade said above
haramamburu wrote : Resistance values. confused. is a little low in ohms.
Ring the windings on the frame and between each other.It’s rare to find a working motor from a used washing machine.Everyone with a “tarnished reputation”.
4eh wrote : have you ever held a 0 wire in your hands.14 mm ??
Oh-oh-oh-oh-oh. So you’re a Khohol. Then it will be easier to communicate with you. The fact that the winding wire diameter is determined by.
avmal wrote : So you are a Khohol. Then it will be easier to communicate with you. The point is that the winding wire is defined by its diameter.
And what about the katsavs wire 0.14mm holds more current ??
avmal wrote : The point is that the winding wire is determined by the diameter.
yes, you’re right ?? You measure current in amps and voltage in volts, don’t you? ??
As a “professional winder of all time” I highlighted your wire in red.
4eh wrote : katsapians have 0 wire.14mm is more current carrying ??
Like this. Go to “Chatterbox”. Since you will be talking to you there. I have a lot of topics there.
Wiring an old washing machine motor
Old washing machines have asynchronous type motors with two windings. starting and working. The starting winding has a higher ohmic resistance. If the output wires from both windings are found, and both windings are intact, the motor can be connected
Wiring diagram for a washing machine motor
There are two options for connecting the motor. with a capacitor designed for a voltage of 450-600 V, a capacity of 4 to 8 μF and with a button for short-term switching.
Wiring diagram of the motor of an old machine with a short-term contact
How to connect the motor
To connect the motor, the first thing to do is to determine the pairs of wires from both windings. After that decide on the connection scheme. with a capacitor or with a button. Assemble the circuit and make a test connection. If the motor rotates in the wrong direction then the connection points of the starter coil should be swapped.
tips for your work
When working with electricity, you must scrupulously obey the rules of electrical safety, carefully monitor the bare wire ends to prevent accidental short circuit. And don’t touch any exposed wires.
If a motor that has been removed from the machine does not start, then the cause may be either mechanical or electrical.
If the motor does not turn on, but is warm, turn it off quickly and try to turn it by hand. If you hear a grinding noise, you should check the bearings, they may be broken. Then they should be replaced along with the oil seals.
You must also check that there is no debris between the rotor and the stator.
If no mechanical cause is detected, you should check electrical circuits to see if there are any breaks. For collector motors, check the brushes for wear and tightness against the surface of the collector. Brushes wear out over time and have to be replaced on time.
Do-it-yourself wiring methods
For a motor to work, it needs power. To connect to the electricity yourself is to connect the wires correctly. So you will need a wiring diagram of the washing machine motor.
You need stator wires and rotor wires to work. But how do you find them?? A visual inspection shows a lot of wires. How to determine which one you need?
Consider how to connect an electric motor with 3, 4 and 6 wires.
Look at the motor. There are two wires on the left side. they are not used. Often the manufacturer colors them white. For clarity, look at the photo below:
The orange arrows point to red and brown wires. These are the stator terminals. The blue arrows show the wires to the rotor brushes. These four wires are needed to connect the washer motor.
Wiring color may vary from manufacturer to manufacturer. Therefore, use a tester to accurately check.
Measure the resistance of each wire to find its pair. Clean the terminals and connect the probe of the tester to them. Record the reading. Next, wire all the wires one by one until each has a pair.
Connecting the motor from a washing machine is no big deal. You don’t need starting windings and capacitors, all you need to know is how to connect the connections correctly.
Be careful! The washing machine motor will start (turn on) while it is connected to the electricity. It may vibrate a lot when doing this, so make sure the motor is in a safe place beforehand.
Wiring was successful. If you need to change the direction of rotation, swap the wires leading to the rotor. Refer to the diagram at
- Set the tester to resistance measurement mode.
- Apply the feeler gauge to the motor windings, comparing the readings. You need to find the twin windings.
It is important to realize that the service winding always shows less resistance than the starting winding.
The asynchronous motor of the washing machine is connected in this way:
Let’s break down in more detail how to connect the motor of the washing machine according to the circuit. To do this, let’s decipher the symbols:
- SB stands for pushbutton switch. This allows you to connect the field winding to the mains.
- The PO is a starter winding which allows you to generate torque. You can coordinate it to one side.
- OV is the work winding or the field winding. Creates a magnetic field to rotate.
You need to supply voltage to the field winding. To do this, connect it directly to the 220 V mains. Short-term power is also applied to the start winding, only with the button (SB).
Now you know how to turn on the motor (motor) from the washing machine. To start it, you need to press a button. Changing the direction of rotation is the same as the previous principle. the wires change places.
Types of motors
In washing machines of different generations and countries of production, there can be different types of electric motors. It is usually one of three options:
Asynchronous. Basically they are all three-phase motors, may be two-phase but this is a rarity. Such motors are simple in their design and maintenance, basically all comes down to lubrication of the bearings. The disadvantage is a large weight and dimensions at a low efficiency. Such motors are in the old, low-power and inexpensive models of washing machines. Collector. Motors that have replaced the large and heavy asynchronous devices. Such a motor can run on both AC and DC power, in practice it will rotate even from a 12 volt car battery. The motor can rotate in the desired direction, for this you only need to reverse the polarity of the brushes connection to the stator windings. High rotational speed, fluent change of rotation speed by changing applied voltage, small size and high starting torque. these are just a small part of advantages of this type of motors. The disadvantages are wear of the collector drum and brushes and increased heat in the case of short-duration work. Also more frequent preventive maintenance is required, such as manifold cleaning and brush replacement.
Inverter (commutatorless) Innovative type of motors with direct drive and small size with rather high power and efficiency. The motor construction still includes stator and rotor, but the number of connecting elements is minimized. No components subject to high wear and tear and low noise level. Such engines are in the latest models of washing machines and their production requires more cost and effort, which of course affects the price.
A tester or multimeter is a good starting point. Find two pairs of terminals that correspond to each other. With the stylus of the tester, in the mode of testing or resistance, it is necessary to find two wires, which between themselves are tested, and the other two wires will automatically be a pair of the second winding.
Next we must find out where we have the starting winding and where. the working winding. Measure their resistance: a higher resistance indicates the start winding (SW), which generates the initial torque. The lower resistance is the excitation winding or in other words. The work winding, which creates the magnetic field of rotation.
Instead of the contactor “SB” can be a non-polar capacitor of low capacitance (about 2-4 uF) As it is equipped in the washer for convenience.
If the motor will start without load, that is, there is no waking on its shaft with a load pulley at the moment of startup, then such a motor can start itself, without a capacitor and a short-term “powering” of the starting winding.
If the motor overheats strongly or warms up even without load for a short time, there are several possible causes. Possibly the bearings are worn out or the clearance between stator and rotor has decreased and is rubbing against each other. But most often the cause may be a high capacitor capacity, it is easy to check. Let the motor work with the starting capacitor switched off and at once everything will become clear. if necessary, it is better to reduce the capacitor capacity to the minimum at which it can cope with the starting of the electric motor.
In the button the contact “SB” strictly must not be fixed, you can simply use the button from the doorbell, otherwise the starter winding can burn out.
At the start up the SB pushbutton is pressed until the shaft is turned to the fastest position (1. 2 sec).), then the button is released and no voltage is applied to the start winding. If you need to reverse. You need to change the winding pins.
Sometimes in such motor there can be not four but three wires on an output, in this case two windings are already connected in a middle point among themselves as shown in the diagram. In any case, disassembling the old washing machine, you can look closely at how it was connected to its motor.
When there is a need to implement reverse or change the direction of rotation of the motor with a starter winding, you can connect according to the following scheme:
An interesting point. If the motor does not use (do not engage) the starting winding, then the direction of rotation can be all kinds of (in either direction) and depends, for example, on which side to turn the shaft at the time when the voltage is connected.
Connecting the motor from an old washing machine
With the development of modern automatic washing machines, very quickly settled in apartments and houses, became good helpers of modern housewives. Old washing machines have been moved to garages and storage rooms because they are not needed. If you have a saved motor from an old Soviet washing machine, you can find a good use for it. Turn it into a sharpening machine and you can sharpen knives, axes and other cutting tools.
A little searching in his closet, I found a working motor AEP-16UKHL4 from an old Soviet washing machine, it was removed from the washing machine and quietly gathering dust on a cluttered shelf. At one time I wanted to turn it into a sharpener, so the motor shaft is wearing an adapter sleeve for an emery wheel made by an acquaintance turner. Now I will tell you how to connect it.
To start the motor a special three contact relay RTK-1-3UHL4 is used.
Before you plug anything in, use a multimeter to check the winding. The motor has two windings “starter” and “working”. Resistance of the starter winding is 26 ohms. The resistance of the working winding is 13 ohms, which is half the resistance of the starting winding. In short, the low-resistance winding is the “Operating” winding, and the high-resistance winding is the “Starting” winding.
This figure shows the connection diagram of the motor AEP-16UKHL4 from a washing machine. To make the motor turn in the other direction, you need to swap the starting coil leads.
I ended up with a sharpener from the motor from an old washing machine. I hope it works for you too.
Friends, I wish you good luck and good mood! See you in new articles!
I recommend watching a video on how to connect the motor from an old washing machine.
The motor from the washing machine and the scheme of its connection to the network
The motor. the heart of the washing machine. This is the device that rotates the drum during the wash. In the first models of machines, belts were attached to the drum, which acted as actuators and ensured the movement of the container filled with laundry. Since then, the developers have markedly improved this unit, which is responsible for turning electricity into mechanical work.
Currently, three types of motors are used in the production of washing equipment.
Motors of this type consist of two parts. a stationary element (stator), which acts as a supporting structure and serves as a magnetic wire, and a rotating rotor, which drives the drum.
The motor rotates as a result of the interaction between the alternating magnetic field of the stator and the rotor.
This type of device is called asynchronous because it is not able to reach the synchronous speed of the rotating magnetic field, but follows it, as if catching up.
There are two types of asynchronous motors: they can be two-phase and three-phase. Two-phase designs are rare today, because at the threshold of the third millennium, their production has practically ceased.
The weak point of such a motor is the weakening of the torque. Outwardly, it is manifested by the disturbance of the drum’s trajectory. it wobbles without making a full rotation.
The undoubted advantages of asynchronous type devices are the uncomplicated design and ease of maintenance, which consists in the timely lubrication of the motor and replacement of faulty bearings. The asynchronous motor is not loud, but it costs quite cheap.
The disadvantages of the device include large size and low efficiency.
These motors are usually equipped with simple and inexpensive models that are not very powerful.
Collector motors have replaced two-phase induction motors. Three-quarters of all appliances are equipped with this type of motor. Their peculiarity is the ability to operate from both AC and DC.
To understand the principle of operation of such a motor, let us briefly describe its device. The manifold is a copper drum divided into even rows (sections) by insulating “partitions.
The contact points of these sections with external electrical circuits (the term “leads” is used in electricity to indicate such sections) are diametrically opposed to each other on opposite sides of the circle.
The two brushes, the sliding contacts which ensure the interaction of the rotor with the motor, one on each side are in contact with the terminals. As soon as one of the sections is energized, a magnetic field appears in the coil.
When the stator and rotor are turned directly on, the magnetic field begins to rotate the motor shaft in a clockwise direction.
This is due to the interaction of charges: equal charges repel, different charges attract (remember the “behavior” of ordinary magnets to be clearer).
the brushes gradually move from one section to the next. and the motion continues. This process is not interrupted for as long as there is voltage in the network.
In order to direct the shaft counterclockwise, it is necessary to change the distribution of charges on the rotor. To do this, the brushes are turned in the opposite direction to the stator. This is usually accomplished by using miniature electromagnetic starters (power relays).
Among the advantages of the collector motor. high speed of rotation, smooth change of speed, which depends on changes in voltage, independence from the frequency of fluctuations in the mains, high starting torque and compactness of the device.
Among its disadvantages is a relatively short service life due to the rapid wear and tear of the brushes and collector. Friction causes the temperature to rise considerably, resulting in the destruction of the layer that insulates the collector contacts.
For the same reason, an inter-turn short circuit can occur in the winding, which can cause weakening of the magnetic field. The external manifestation of such a malfunction will be a complete stop of the drum.
The inverter motor is a motor with a direct drive. This invention is just over 10 years old. Developed by a famous Korean concern, it quickly gained popularity thanks to its long service life, reliability, wear resistance and its very modest size.
Components of this type of motor also act as a rotor and stator, but the fundamental difference is that the motor is attached to the drum directly, without the use of connecting elements, which fail in the first place.
How To Wire Most Motors For Shop Tools and DIY Projects: 031
Among the undoubted advantages of inverter motors are simplicity, no parts subject to wear quickly, convenient placement in the body of the machine, low noise and vibration level, compactness.
The disadvantage of such a motor is labor intensity. its production requires a lot of costs and effort, which is noticeably reflected in the price of inverter machines.
Connecting the motor from a washing machine to 220 volts, how to connect and run the motor?
The electric motor is often called almost the heart, which is installed in household appliances. And it is not in vain, because it is thanks to the electric motor rotates the drum installed in the washing machine. Very many people have doubts about whether it is possible to connect the motor from the washing machine to another device with their own hands?
The electric motor from a broken washing machine
What can be done with the washing machine motor
To do this is quite realistic, even if you have little knowledge of such matters. For example, you broke the washing machine brand “Indesit”, with the motor (power of 430 watts, and the developing speed reaches 11500 rpm) is still in working condition and its motor life is still normal. In this case it can come in handy at home.
Here are a few ideas that will help you apply or plug in a new motor installed in a washing machine that has failed:
- An elementary option would be to create a sharpening machine. In every home, knives and scissors are periodically worn out and blunt and need to be sharpened. To do this, you need to carefully fix the electric motor on a stable surface, attach a special stone for sharpening or a grinding wheel to the shaft and plug it in.
- Not a bad option is the production of paving tiles. You can also make cinder blocks, and if there is a private sector, a great idea is a vibrating table.
- For villagers who are engaged in raising birds, you can construct from the engine from a washing machine grinder and grass mill.
Features of the motor. the key to successful work
Today, there are more than enough different options on how you can give a new life to an old motor from the washing machine, if it is still running.
And all these ideas are based on the feature of the motor to rotate a variety of attachments or provide movement of additional mechanisms.
You can come up with an even more original variant of using a removed motor, but to implement your idea, you need to understand exactly how the motor from the washing machine is connected.
At the link you can learn about the features of the inverter motor in the washing machine.
Some useful tips
When connecting the motor, which was left from your old washing machine to another device, you need to keep in mind a few important nuances of this process:
On the dispenser box are wires of different colors, which you just need to figure out:
- The 2 white wires are not necessary for the connection, because they are responsible for the tachogenerator to work properly;
- the red and brown ones are for winding the stator as well as the rotor;
- green and gray. for connection to special brushes made of graphite (most often the same can be said about the motor brushes of an “Indesit” washing machine, in the event that you need to replace them).
Correct wiring is essential for the successful operation of the motor
Keep in mind that different motor models may have different colors of wire, but the principle of connection is the same in all cases.
To find a pair, it is necessary to produce a ringing of wires in turn (those: that are intended for the tachogenerator, should have a resistance of 60 to 70 ohms).
It is best to tape these wires apart from the others so as not to get tangled up. The remaining wires, too, need to ring to identify pairs.
How to replace the bearing in the washing machine, you can learn in our article.
To get on with the job, you need to carefully study all the nuances of the electrical connection diagram. Basically it is made very detailed and understandable even for the most distant from the world of electrical means home craftsman.
Connecting or replacing the motor of the washing machine is actually quite simple. First of all, it is necessary to prepare the wires that will be used for the rotor, as well as for the stator. Make a special jumper, which is worth restricting with duct tape. Those two wires that are left are connected directly to the network.
Remember! When connecting the motor. Which was left over from the old washing machine to 220 the device immediately begins to actively rotate. Therefore, before you start the work, take care that the motor stands firmly on a particular surface.
Wiring diagram of an old motor to the 220
If it is necessary to change the direction of rotation, it will be enough that you throw a jumper to the contacts that are left. To turn the device on and off, it is necessary to connect special buttons to the circuit. In order to do this, you need to use the appropriate schemes, which can be easily found on special websites.
Now we know exactly how you can connect the motor so that it can still be used long enough. And how you can improve this device?
For the proper operation of the device you need a revolution regulator
The washing machine motor is characterized by a fairly high rotation speed, so it is desirable to make a special regulator, so that the hammer motor works in different speed modes without overheating. For this purpose, you can use an ordinary light intensity switch, but slightly modified.
It is necessary to remove the triac together with the radiator from the “washer”. the so-called semiconductor device (it functions as a controlled switch in the control of electrons). Then you need to solder this device into the relay chip, replacing the parts with low power. If you do not know all the nuances of this procedure, it is better to ask for help from a specialist (electronic or computer technician).
There are cases when the motor performs new work without the help of the speed regulator.
Washing machine motor wiring basics
Types of motors
Asynchronous. It can only be removed together with the capacitor, which are completely different for each model of washing machine. It is not recommended to break the connection of such a motor with the battery, if its body is sealed and formed of different metal or plastic.
Warning! The asynchronous motor may be removed from the washing machine only when the capacitor is completely discharged, to avoid an electric shock.