Look for the error (overconsumption boiler electric)

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Christophe
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by Christophe » 26/06/08, 09:50

Yes but clogged they overconsume ... a bit like a frosted firgo but less worse ...
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by the middle » 26/06/08, 09:57

Christophe wrote:Yes but clogged they overconsume ... a bit like a frosted firgo but less worse ...

100% agree with you.
I'll tell you a little story:
Two months ago, I went over city water to clean my tank. 3 weeks later, I went over tank water ...
My bathtub is blue.
Well, when I am ironed on tank water, after each bath, for 5 days, I found on my empty bathtub huge traces of limestone.
In fact the rainwater had detached all the limestone from the boiler..accumulated for 3 weeks.
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by the middle » 28/06/08, 16:30

Hello,
On the following site, I saw that a 200 liter electric boiler can lose 2.1 kWh in 24 hours
http://energie.wallonie.be/energieplus/
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by dirk pitt » 10/07/08, 16:17

Christophe wrote:Yes but clogged they overconsume ... a bit like a frosted firgo but less worse ...


Well that's what comes to mind but I'm not so sure (or at least, the influence may not be as great as you think)
if you think about it, fouling the resistance only increases the inertia of the system. The power of the resistance does not change, the heat it produces does not go elsewhere than when it was new (or could it go since it is immersed ??)
I'll let you think about it ...

if not for your water heater that consumes, I find it very strange the mounting of 2 balloons in series !! indeed, the water of your solar water heater is maintained in temperature by the sun but when you transfer this water into the other (by taking a shower in the morning for example, you send free heated water to cool for the day in an electric heated tank the next night !!!!
that said, despite this not very advantageous assembly, you may have a failure of the temperature sensor which causes the resistance to heat up more than necessary.
it's better to have resistance
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by the middle » 10/07/08, 17:04

Christophe wrote:
Yes but clogged they overconsume ... a bit like a frosted firgo but less worse ...

Well, on this point I am categorical, the resistance is impeccable (externally), thanks to the rainwater

. The power of the resistance does not change, the heat it produces does not go elsewhere than when it was new (or could it go since it is submerged ??)
I'll let you think about it ...

My 200 liter electric boiler is mounted horizontally (not well :? ) because of the height of the cellar.
Is it possible that there is air in the boiler? and that the resistance would no longer be completely submerged?
if not for your water heater that consumes, I find it very strange the mounting of 2 balloons in series !!

It is the Dutch system I think.
The big defect is that the two tanks are far apart, so when I take hot water, I have a loss of 12 m of pipe (insulated) + a loss between the electric boiler and the tap ... :?
indeed, the water of your solar water heater is maintained in temperature by the sun but when you transfer this water into the other (by taking a shower in the morning for example, you send free heated water to cool for the day in an electric heated tank the next night !!!!

Well yes ... there, I don't see the problem
that said, despite this not very advantageous assembly, you may have a failure of the temperature sensor which causes the resistance to heat up more than necessary.

Well seen ... and to check that, I have to dismantle everything, and calibrate the probe. : Cry:
I had done a test: I put the current on the boiler, until it reaches T °.
I did not take a drop of hot water for 24 hours, and I turned on the power, with the wattmeter; the pig needed 00kw to recover the losses : Shock: (the boiler walls seem very insulating)
Well you know what? as I live alone, I have enough with the 200 liters of the solar boiler; and in the solar boiler, there is an electric resistance. (which is not connected at the moment)
In short, I'm going to remove the electric boiler, and see how it goes, just with the solar boiler, which will make an electric backup at night if necessary. (I would be interested in taking my bath in the morning)
With the Dutch system you take hot water whenever you want ...
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by the middle » 10/07/08, 18:14

About,
Has anyone tried to check the power consumption of their boiler? And also without water consumption for 24 hours?
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by Matt113 » 10/07/08, 19:19

If your solar boiler is a solar + electric boiler as much to use it completely and to do without your old electric boiler, you will have less loss already just for the transfer of water from one boiler to another. I think it can only be beneficial for you.

You should plug in your solar boiler and see what it consumes in 24 hours
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by the middle » 10/07/08, 19:49

Matt113 wrote:If your solar boiler is a solar + electric boiler as much to use it completely and to do without your old electric boiler, you will have less loss already just for the transfer of water from one boiler to another. I think it can only be beneficial for you.

You should plug in your solar boiler and see what it consumes in 24 hours

Yep ... that makes sense
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by Woodcutter » 10/07/08, 21:02

lejustemilieu wrote:About,
Has anyone tried to check the power consumption of their boiler? And also without water consumption for 24 hours?
I do not check the "exact" consumption but by reading on my EDF meter.

My water heater (please use a word French, in addition "boiler" is not appropriate since the water does not boil ... : roll:) is day-night and in addition I stop it every other day so as not to pay just for the losses. The reserve is enough for 2 to 3 days, depending on the extra temperature ...

Conclusion: to bring it back to maximum temperature when it is cold, it takes me 5 to 6 kWh for a 100 liter model.
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by the middle » 13/08/08, 13:22

Okay, the problem with the heater is solved.
I don't use more ... than the solar water heater(there was an electrical resistance inside, but not connected)
Result, instead of consuming 5 to 6 kWh / day, I ate it 1O in 15 days; the gain is enormous. (in summer :D )
In addition the solar water heater is in the house instead of the other which is in the cellar, so the losses are no longer lost : Cheesy:
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