I opened the body of an old heater: I advise everyone before the heating season
In most of Russia, the heating season is about to start, which means it's time for residents of private houses stock up on firewood, coal, and if you heat the house with electricity, it will not be superfluous to arrange an audit heaters.
Personally, I have already removed the housings from all my oil coolers and cleaned them. We have six of them for the whole house.
By the way, don't think that I am such a zealous owner. For the first time in 20 years of continuous operation, I opened the casing of the heaters. And it was worth doing it more often.
I share photos of what I saw, and at the end of the article I will tell you what the lack of prevention is fraught with:
1) Terminal blocks.
In old heaters (in my case, Polaris), the wires are connected with simple screw terminal blocks. It is a good idea to tighten the screws and lightly tug on the lead wires to make sure they are still secure.
Also inspect the insulation for damage.
2) Dust. A lot of dust. There is a lot of dust.
Over twenty years of operation, a lot of dust has got into the heater through seemingly small ventilation holes.
Everything would be fine, but the dust is very flammable and flammable - this is why smart people regularly vacuum extension cords and pilots.
It is enough for any metal element to heat up to 80-90 degrees, as dust can blaze.
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As a preventive measure, I advise everyone to remove all dust from heating devices at least once every 2-3 years:
The amount of dust is explained by the left side of this diagram: the convector heats up the cold air, lifts it up together with dust particles, from where it moves in a circle around the room. Cooling down, it reaches the floor again.
The constant airflow generated by the heater forces dust into the vents on the heater body.
Inspection and cleaning of each heater takes no more than 10 minutes in time, but makes their operation much safer in winter. I wish you success!
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