Polaris pcwh 2067 di DIY repair

In detail: polaris pcwh 2067 di DIY repair from a real master for the site my.housecope.com.

At the present stage, electronic control units (ECUs) are widely used in household appliances. Refrigerators, washing machines, even irons are equipped with similar devices. This is not surprising, since in temperature control systems and control mechanisms, ECUs are so versatile that it is difficult to imagine a replacement for them. The use of electronic control units in climatic equipment is the most relevant. This allows you to set a certain operating mode of the equipment, as well as visually check the current state of the set parameters. Devices with mechanical control are deprived of this possibility.

One of the representatives of climatic equipment are ceramic heaters. They are produced by many manufacturers. Let's consider the design and repair of such a heater using the example of the PCWH model manufactured by POLARIS.

Specifications and main functions:

• automatic maintenance of the set temperature in the range 18.30 ° С;

• LED symbolic indicator of operating modes;

• remote control;

• supply voltage: 220.230 V / 50 Hz.

The heater consists of a ceramic heating element, a tangential fan, a fan electric motor, a blind stepper motor, an ionizer unit and an ECU, a remote control (RC). The disassembled view of the fan heater is shown in Fig. one.

The electronic control unit is made on two boards - a power one, as well as an indication and control board, interconnected by a loop of wires. The block diagram of the fan heater ECU is shown in Fig. 2.

Video (click to play).

The power board includes a power supply unit and load switching elements - fig. 3.

The power supply unit consists of a step-down transformer, a bridge rectifier and a stabilizer (pos. 1, fig. 3). An integrated circuit 78L05 is used as a stabilizer. The heating elements are controlled by electromagnetic relays. The fan motor and the ionizer unit are commutated by triacs (pos. 2, fig. 3). The device uses Motorola MAC97A6 triacs. They are designed for switching loads up to 800 mA (at voltages up to 400 V).

The indication and control board is shown in Fig. 4 and 5. The board contains a symbolic LED indicator, a microcontroller (1), a stepper motor driver microcircuit (2), a stepper motor connector (3), a temperature sensor connector (4), an IR receiver (5), a power board connector (6) and control buttons connector (7).

On the soldering side of the display and control printed circuit board, there are LED indicator driver microcircuits. In Figure 5, they are highlighted with a rectangle.

The mechanical part of the fan heater can be attributed to the shutter drive system, which is shown in Fig. 6 and 7.

Possible malfunctions and methods of their elimination

The fan heater does not turn on

The integrity of the thermal fuse TF1, the reliability of the CP2, CP6 connectors and the resistance of the primary winding of the power transformer are checked. If during the check the malfunction did not come to light, then check the voltage of +5 V at the output of the stabilizer. Failure of the stabilizer microcircuit is the most common malfunction. If the voltage of the stabilizer is normal, but the defect persists, you should check and replace the 1000 microfarad capacitor in the rectifier filter circuit (pos. 1, fig. 3).

The most likely cause of this defect is the failure of the IR emitter or the remote control's quartz resonator. Also, the reason may be the poor quality of soldering of the microcontroller pins of the remote control or the pins of the IR receiver. This malfunction in most cases is eliminated by soldering the board after a thorough examination of the corresponding elements.

First of all, it is necessary to check whether the fan rotor rotates freely - if its impeller rotates easily, then the electrical part of the drive is checked. The multimeter checks the integrity of the windings of the fan electric motor, as well as the capacity of the working capacitor C1 (Fig. 2). The elements of the control circuit of the electric motor are checked, the quality of the soldering of their terminals is inspected (pos. 2, fig. 3).

The quality of the soldering of the elements in the control circuit of the winding of the electromagnetic relay on the power board is examined. The relay itself and the quality of the terminals on the terminals of the heating elements are checked.

The mechanical part of the drive (Fig. 6, 7) of the blinds is examined. Check the reliability of the contact in the CN3 connector (pos. 3, Fig. 4) on the indication and control board, as well as the integrity of the stepper motor leads.

Malfunctions associated with the display and control board occur

extremely rare, and they are most often associated with the so-called "cold soldering" or microcontroller failure.

sergey / 11/29/2017 - 13:27
resistance of the heater element 560 + 440 ohm with a series connection, the power is respectively 87.5 + 110 and the total is 48.4 W with a parallel 264 ohm and the power is 183 watts where did 1000 and 2000 watts come from? is there a fan heater circuit?
Vladimir / 08/12/2017 - 20:33
And what kind of thermal fuse is in Polaris 0608 800 watts
Dmitriy / 31.01.2017 - 21:47
The control board does not light up, what should I do? what is the reason for the breakdown.
oleg / 12/13/2016 - 08:01
where you can buy an engine for this heater. I refused. no marking. Thank you.
.aleksey / 02/15/2016 - 09:05
The fan does not develop speed
Alexander / 09/01/2016 - 14:56
There is no heating, but how to check the relay?
SERGEY / 06/29/2015 - 15:53
how to check the remote control
vladimir / 01/05/2015 - 16:44
where you can buy an engine for this heater. I refused. no marking. Thank you.
Alexey / 04.02.2012 - 18:37
the question heats up the heater poorly - what can be

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You can leave your comment, opinion or question on the above material:

At the present stage, electronic control units (ECUs) are widely used in household appliances. Refrigerators, washing machines, even irons are equipped with similar devices. This is not surprising, since in temperature control systems and control mechanisms, ECUs are so versatile that it is difficult to imagine a replacement for them. The use of electronic control units in climatic equipment is the most relevant. This allows you to set a certain operating mode of the equipment, as well as visually check the current state of the set parameters. Mechanically controlled instruments do not have this capability.

Specifications and main functions:

- automatic maintenance of the set temperature in the range of 18-30 ° С;

- LED symbolic indicator of operating modes;

- remote control;

- supply voltage: 220 230 V / 50 Hz.

The power board includes a power supply unit and load switching elements - fig. 3.

The power supply unit consists of a step-down transformer, a bridge rectifier and a stabilizer (pos. 1, fig. 3). An integrated circuit 78L05 is used as a stabilizer. The heating elements are controlled by electromagnetic relays. The fan motor and the ionizer unit are commutated by triacs (pos. 2, fig. 3).The device uses Motorola MAC97A6 triacs. They are designed for switching loads up to 800 mA (at voltages up to 400 V).

On the soldering side of the display and control printed circuit board, there are LED indicator driver microcircuits. In fig. 5 they are marked with a rectangle.

The mechanical part of the fan heater can be attributed to the shutter drive system, which is shown in Fig. 6 and 7.

Possible malfunctions and methods of their elimination

The fan heater does not turn on

First of all, it is necessary to check whether the fan rotor rotates freely - if its impeller rotates easily, then the electrical part of the drive is checked. A multimeter is used to check the integrity of the windings of the fan electric motor, as well as the capacity of the working capacitor C1 (Fig. 2). The elements of the control circuit of the electric motor are checked, the quality of the soldering of their terminals is inspected (pos. 2, fig. 3).

Malfunctions associated with the indication and control board are extremely rare, and they are most often associated with the so-called "cold soldering" or microcontroller failure.

The 800W carbon fiber heater saves as an additional heating.

He worked for me on a large area, but for spot heating. It's like when you stand near him that warmth.

Has two protections. One from overheating and the other from falling. That is, if you suddenly knocked it over, it automatically turns off. There are two more heating modes: 800W or 400W, plus it has a slight translational rotation. But it is convenient to use these functions only from the remote control and it is very inconvenient without the control panel, since all the buttons are located at the bottom of the heater.
The photo shows the fall protection button.

At one point, it just stopped heating. Everything worked except the spiral. It was decided to disassemble and look for the reason there. With a screwdriver, I unscrewed all the screws on the back wall. The sequence for removing the top cover, see the photo below.

Then you need to remove the back cover of the heater. And now the filling of the heater is exposed in front of us.

ATTENTION. BEFORE DISASSEMBLING, ALWAYS DISCONNECT THE APPLIANCE FROM THE 220V MAINS.

We visually inspect everything.

I checked the heating element with an ommer. Resistance 87 Ohm. My most important suspicion was not confirmed.

When inspecting the control board, I found a burnt resistance. There was nothing to change and decided to do everything directly, without any electronics.

Rang out the power wires and connected directly to the heating element, but. the miracle did not happen. I had to find out the reason further. The overheating sensor remained untested in this chain.I cut it out and again connected everything directly and now everything worked.

It remains to connect everything tightly and insulate. It was decided to start at half power (by choosing the appropriate wire) because now the device is without an overheating sensor. The drop protection design remains operational.

And here is the hero of our celebration.

We assemble in the reverse order and continue to enjoy the warmth 🙂

Message ELEremont »10 Dec 2010 10:41

Message Anvar »10 Dec 2010 19:06

Message ELEremont 11 Dec 2010 10:52

Message Anvar "15 Dec 2010 23:12

Message Doc Brown 21 Dec 2010 23:21

Message Anvar 24 Dec 2010 11:52

Message Doc Brown 26 Dec 2010 10:50

Message Anvar 26 Dec 2010 20:16

POLARIS PCWH 2067Di manual contains pages in Russian

Go to the download page for the file of this instruction: Download PDF

Ceramic wall heater

User manual

Thank you for choosing POLARIS products. Our

products are designed in accordance with high quality, functionality and
design. We are confident that you will be satisfied with the purchase of a new product from our company.

Before using the device, carefully read this manual, in which

contains important information regarding your safety, as well as recommendations for
correct use and care of the appliance.

Keep the instructions together with the warranty card, sales receipt, if possible,

carton and packing material.

General safety instructions

The appliance is intended solely for domestic use.

The device must only be used for its intended purpose.

Inspect the appliance each time you turn it on. If the device is damaged and
power cord, never plug the appliance into a power outlet.

Attention! Do not use the appliance near bathtubs, sinks or other containers,
filled with water.

Never immerse the device in water or other liquids.

For additional protection, it is advisable to install a residual current device
(RCD). Seek advice from a qualified technician.

Connect the device to an AC power source only (

). Before turning on, make sure
the device is designed for the voltage used in the network.

Any erroneous inclusion will void your right to warranty service.

The device can only be connected to an earthed network. For your safety
grounding must comply with the established electrical codes. Not
use non-standard power supplies or connection devices.

Before plugging in the device, make sure that it is switched off.

Do not use the device outdoors. Protect the device from heat, direct sunlight.
rays, impacts on sharp corners, humidity (under no circumstances immerse the device in water). Not
touch the appliance with wet hands. If the device gets wet, immediately disconnect it from the mains.

Always unplug the appliance when you finish using it, clean it or break it down.

Do not leave the operating device unattended. Keep the device out of the reach of children
location.

Review: Ceramic wall heater Polaris PCWH 2067 DI - Compact, low noise, warms up the room well and quickly, beautifully made.

We bought this miracle device PCWH 2067Di “Polaris”, in the winter of 2009/2010, it was very cold, and the heating was bad. I liked this device, and the price was small.

We arrived home, I drilled and screwed two holes in the wall. threw the carrier turned on let's test. I hung it higher, turn it on / off only from the remote control. The remote control is so small and very handy.

The controls are simple. Press the power button, while the heated (or simply) air outlet panel automatically opens in the lower part, the fan turns on. Then one press of the “HEATER” button turns on the heating - 1 kW, the second press - 2 kW. I immediately put on 1 kW, I no longer need it so it heats well. Heating range 18-45 degrees. We set how much we need. The damper at the heater is also responsible for changing the direction of the air supply, “SWING” or in a specific place. The heater has an air ionization function, I turn it on immediately before turning on the heating.
Everything that I turned on is displayed on the heater display panel.
He quickly warmed up the room. We turned it off to save energy. The air does not dry much, thanks to the ionization function, probably? Not noisy.
So he helps us out in cold weather.
The fan is shaped like a roller like in a typewriter. Periodically, once every six months, I disassemble and clean from dust. We have been using it for 6 years. We have never regretted that we bought it.
Excellent machine.

Good day, dear readers.

I want to tell you about our long-purchased Polaris heater. This brand has proven itself in our family. We already have equipment from this manufacturer. But now about the heater.

We got it for ourselves in 2010, because we had a baby, and it was cool at home. The heater, which should be placed on the floor, did not suit us, the child could burn himself while learning to crawl, and therefore we purchased a wall heater. It warms very well, you can set a certain temperature. Due to the movable bottom part, warm air is distributed evenly throughout the room. In about half an hour, you can heat up a room of 18 squares well.

The temperature can be set from 18-30 (I don't remember exactly), we always set it to 24 degrees. The heater itself has a screen that shows the temperature and other functions, namely: the lower part is moving - the lower part is not moving, the ionizer is on - not turned on, the air supply force (you can put 2 and 4).

The heater works from the mains, it can be called an air conditioner, only with lesser functions. The remote control is also attached - it is of course in English, but it is quite possible to figure it out. In general, I press buttons on everything and warm air flows. The remote control is, of course, powered by 2 little finger batteries, but during the entire period of use we have never changed the batteries - although we used the device often.

Now we have installed an air conditioner and there was no need for a heater - our friends used it when it was cold - they also really liked it. But when the heating was turned on, the heater returned home.

Unfortunately, we cannot use the air conditioner as heating in winter, because it is impossible at a temperature of minus 10 (about him, I have a review, you can see). And then my heater came to the rescue - I started using it again, because we now live on the first floor and everywhere it blows, and even the house is old - there are cracks. But we are warm and comfortable.

In terms of installation, it can be hung on the wall (there are holes for the bolts) and it can also be placed on a table (there are small legs).

In terms of energy consumption, I did not notice much change, maybe it has become 20-30 rubles more.

Our heater has been saving us for the sixth year now and has never broken down yet, thanks to the manufacturers for such good quality.

The model is characterized by comfortable operation thanks to electronic control, overheating protection, two heating modes and additional options.

The design consists of a heating element and an ordinary fan that circulates air.

Inside there is a ceramic heater, which guarantees the effectiveness of heat transfer at low temperatures and excludes the combustion of dust.

The heater is suitable for wall-mounted (installation height starts from 1.8 meters above the floor) or table-top (special legs are equipped), while choosing the optimal place for installing the device.

When the ceramic heater is turned on, the doors open, releasing heat into the room, the room warms up quickly. If the product is installed above the door, a heat curtain is formed - a powerful barrier between cold outside air and warm inside.

Temperature regulation. The range covers 18-45 degrees. One press increases the temperature by 10 degrees.
Thermostat. The mechanism maintains a constant temperature, and when the set value is reached, it turns off automatically. When it drops a few degrees, the device starts heating the room again.
Fan. The built-in element accelerates air circulation, evenly warming up the room.
Ionization. Air molecules are enriched with negative electric charges, which clean the room and improve the general well-being of a person.
Change in the direction of the heat flow by 120 degrees.
Delayed start adjusts the heater to work at a specified time. For example, in the morning to get up comfortably from a warm bed, or in the evening before coming home.

The device is equipped with a display that visualizes the control. The screen displays the following information: operating mode, timer, settings.
Control is carried out manually or with a remote control, with which you change the heating settings, turn it on and off.
Built-in overheating protection will turn off the device automatically if it heats up to a critical temperature. Convenient in case of a motor breakdown.
The switch is equipped with an indicator light that makes it easier to find the button in the dark.
The timer runs from 30 minutes to 7.5 hours. One press increases the time by half an hour. After turning off the heater, the selected settings are reset to zero.
The required voltage is 220-230 Volts.
Operating modes 1000, 2000 W.
Frequency 50 Hz.
The area of action is 20 m².

The standard set includes the device body, remote control, operating instructions.

For installation, the product is completed with 2 elastic inserts, 2 screws, 4 shock-absorbing pads.

To increase the safety and comfort of the equipment, additional equipment is used:

ZUBR R116у ─ protective relay for the heater. Plugs into the same outlet as the main equipment. Protects the appliance from voltage fluctuations, premature wear, breakdowns.
The room thermostat is used to monitor and control the heater.

The device is mounted away from a heat source, establishes an electrical circuit with a heater, and when the set temperature is reached, the product works in standby mode.

Fire safety of the device.
Acceptable cost.
Wide temperature range.
Compact size and light weight.
Does not dry out the air.
Heats up the room quickly.
Long service life.
Attractive design.
Quiet work.
Economical power consumption.
The power wire is wound on a special holder inside the case if the length is too long.
Regular maintenance is not required.
Easy installation of equipment.

For full operation, you need to overclock the device.
Short power wire.
Sometimes additional lubrication is required, otherwise extraneous noise is heard.
The fan is running loudly.
Does not heat up a space separated by walls.

User opinions are mostly positive. Customers note the attractive design, easy installation and convenient operation. The efficiency of space heating is achieved in 100% of cases if the area is open.

Complaints are related to noisy work (initial use, at night). Among the disadvantages of the device are the remote control in English, the loud operation of the buttons.

Some reviews indicate the need to check the documents for the heater in order to confirm the originality of the model.

I bought a Polaris PCWH 2067 DI fan heater from the nearest Maxidom store, and for a couple of weeks I was quite satisfied. Convenient, quiet, there is a remote control, does not really burn air during operation.

However, soon the fan heater began to emit a creak, it began to overheat, and in the end it simply simply went out of order. The thing is not that expensive, and I immediately went and bought another one exactly the same. (there was no need to lug around the guarantee!) The new Polaris, alas, did not differ in any way from the first one, it also creaked, the air flow significantly weakened, and ... I had to bring this Chinese "miracle" to my mind myself.

Without the help of a specialist friend who went through and lubricated the engine, replaced the control circuit, the fan heater did not work normally.

Draw conclusions. If you want to play “do it yourself” - buy.