Buying a Heat Pump with solar panels

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TonyN

TonyN

0
Jul 6, 2017
36
South West France
Hi

I've been researching heat pumps here in France and would like some 'input'!

Should I be concerned by the flow rate of the heat pump? Is it better for the water to flow through faster or slower, depends on power I suppose) I'm just thinking its probably not the top concern......

I've narrowed things down to one manufacturer (Poolex or Poolstar, one is a trading name, the other seems to be a trading name too, of the same company, but the pumps are branded Poolex)

How much store should I put in the recommended volume of water for the heat pump? I've read you should oversize, but by how much?

I don't really want to spend any more than 1500€, max.....

My pool is an above ground, wooden pool at 28m3 volume.

The COP for 15 degrees C to 26 degrees C is 5.02, but not sure what this means? The temperatures, do they mean air to water temp.?

Pompe 50 m3 - MyPiscine

I've kind of returned to this over and over.....
 
Re: Buying a Heat Pump with solar panels

Yes, COP rating is the heat pump performance at a specific air temp. It performs better, is more efficient, at warmer temps. That heat pump looks very similar to my heat pump, the Hayward HP50HA. I couldn't find a BTU rating and/or I don't know what the metric equivalent is. Mine is about 50k btu. The price is similar too, mine was a little under $1500 US dollars. It does a nice job of heating my 20k gallon pool. It heats about 1 degree F every 3-1/2 to 4 hours. So, it would be about 3 times faster for your pool.

The recommended pool volume is also just a suggestion. The bigger the heater the faster it will heat the pool. But, any heater will heat any pool.

Flow rate isn't that important, you just don't want way too much flow. I run my VS pump at 1500 rpm for heat pump alone and 1950 rpm for heat pump and solar panels.
 
Re: Buying a Heat Pump with solar panels

Well I think your pump is a bit higher powered, maybe 13kw to the 10kw pump in the link, about 34000btu's. But then your pool is around 3 times the volume of mine.

I wonder if I could get away with a smaller Heat Pump....cheaper? Or will the more powerful pump run for less time to reach the same temperature? Ha! This is a brain ache!

I'm very interested in which Solar panels you went with, that looks a bit of a minefield too!
 
Re: Buying a Heat Pump with solar panels

It takes the same amount of energy to heat a pool from temp x to temp y. The only difference the heater size makes is how long it takes to reach the temp. If a 50k btu heater can heat the pool in one hour then a 100k btu heater will heat it to the same temp in 30 minutes. Both will use the same amount of electricity.

Solar panels are great. They put a lot of eat in the pool for little cost. If you've got plenty of sun. I have Vortex solar panels from Solar Direct.
 
How hot does it get there? If enough to really raise the pool temp in the summer, consider a heat pump with a reverse cooling pump setting. It's like air conditioning for your pool. In hindsight I wish I knew about that. We went with the 140k btu Hayward SUM8TA pump.
 
I've narrowed the heat pump down to a 10kw, reversable cycle. It's a Poolex Summerline 100 with a Toshiba compressor.

I'd like to compliment it with solar panels and wondered if anybody else has any experience with good quality panels. I've read a lot of the panels are very poor quality and constantly give problems with leaks!

The Vortex panels from Solar Direct look good and 'pooldv' says they are great, but I can't find a supplier here in France......
 
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