DIY solar hot water system controller
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Uploader Comments (easytreasure)
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I noticed on your web page that it does not show you selling a complete circuit as shown, I would like to purchase the excate circuit as shown, with the displays to show temps. Also since im am purchasing this for a project in school I would need the schematic, can you tell me if this is possible?
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...interesting....
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But it would not be frozen at 4 deg C, below 0 deg C is freezing. Am I right or am I right?
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I'm currently working on a solar thermal water heating system, I'm almost done with the mechanical hardware part.... How can you assist me with building a differential controller like yours? I suck at programming too :(
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do you have the schematics for this?
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All that on/off cycling can not be good for either the pump motor, or the relay contacts...
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this is cool what does it cost how much power to make it run it. is this like a reculating pump?
tha cheap guy
iwantosavemoney 1 year ago
@iwantosavemoney The controller uses very little current, bur the pump uses more depending on how big it
is. The pump I use is 12 volt about 1.5 amps Google solarfriend to see the complete system.
easytreasure 1 year ago
Pretty cool controller! But it is doing way too much cycling of and on for the temperature difference to be almost 30 degrees. Why is that?
STARFIRESOLAR 2 years ago
Cycling time is adjustable to suit your setup
easytreasure 2 years ago
Where can they be purchased? Do you sell them or sell plans to build them?
jakubec 2 years ago
We sell them see our website Solarfriend
easytreasure 2 years ago