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Using Pv To Heat Swimming Pool
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<blockquote data-quote="binky" data-source="post: 337745" data-attributes="member: 490"><p>A potential customer has a small open air swimming pool in his garden. He shuts it down over winter, but was considering how to reduce the leccy bill for spring / early summer when he fires it up again. He was thinking of using battery storage charged up by PV over winter to take the sting out of bringing the pool upto temperatrure. But the pool which uses 4kW of heating and takes 10 days to get up to temperature running 24/7, would need some firkin big batteries!! So I'm looking for alternative ideas, of which there are 2 that spring to mind :-</p><p></p><p>1/ Use PV to run existing pool heating and pumps via solar PV immersun type gadget and a few relays etc , so that system continues to run through winter whenever there is sunshine</p><p></p><p>2/ Use Pv to power water heater dangled straight into pool, so we avoid wasting energy on the pumps. For this option I was considering finding 12/24v immersion heaters to avoid all the obvious nastiness of of 240V and water</p><p></p><p>Now I'm not particularly familiar with Swimming pools so I'm after a few opinions and good sources of further readings with regards to the following</p><p></p><p>a/ Suitable extra low voltage heating elements</p><p></p><p>b/ potential issues with the existing swimming pool controls should we go with plan 1</p></blockquote><p></p>
[QUOTE="binky, post: 337745, member: 490"] A potential customer has a small open air swimming pool in his garden. He shuts it down over winter, but was considering how to reduce the leccy bill for spring / early summer when he fires it up again. He was thinking of using battery storage charged up by PV over winter to take the sting out of bringing the pool upto temperatrure. But the pool which uses 4kW of heating and takes 10 days to get up to temperature running 24/7, would need some firkin big batteries!! So I'm looking for alternative ideas, of which there are 2 that spring to mind :- 1/ Use PV to run existing pool heating and pumps via solar PV immersun type gadget and a few relays etc , so that system continues to run through winter whenever there is sunshine 2/ Use Pv to power water heater dangled straight into pool, so we avoid wasting energy on the pumps. For this option I was considering finding 12/24v immersion heaters to avoid all the obvious nastiness of of 240V and water Now I'm not particularly familiar with Swimming pools so I'm after a few opinions and good sources of further readings with regards to the following a/ Suitable extra low voltage heating elements b/ potential issues with the existing swimming pool controls should we go with plan 1 [/QUOTE]
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Using Pv To Heat Swimming Pool
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