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16-07-2014, 08:53 PM #1
Buffer tank for a heat pump with panels
Hi can any body help we just quoting a job of high temperature of 80 degrees for only rads the kW is 16 there not a lot of room on the job do we have to have a buffer tank ? We have 12 refrigeration metal panels and a heat pump
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17-07-2014, 10:49 AM #2
You need to go back to the manufacturer of the equipment to get this info.
We quote 20l p/kW
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17-07-2014, 12:00 PM #3
Re: Buffer tank for a heat pump with panels
You need a different system. 80C and a heat pump (refrig panels or not) don't mix well. Boiler time or drop the load temp, sorry.
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17-07-2014, 08:10 PM #4
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Re: Buffer tank for a heat pump with panels
What are panels make and model? Heat pump make and model?
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18-07-2014, 06:17 PM #5
Re: Buffer tank for a heat pump with panels
Most air to water heat pumps are only designed with a maximum leaving water of 55c possibly up to 60C.
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18-07-2014, 08:48 PM #6
Re: Buffer tank for a heat pump with panels
Make is the energy panel from Spain
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20-07-2014, 02:10 AM #7
Re: Buffer tank for a heat pump with panels
Nowhere in the literature does it say 80C is achievable. I wouldn't put my name on that system, and I do a LOT of solar. Be careful.
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27-07-2014, 11:54 PM #8
Re: Buffer tank for a heat pump with panels
You're talking about the "thermodynamic" panels which are basically a sun heating flat panel hex for a heat pump.
12 panels is a large amount, so I presume that you are looking to use them for space heating also in which case you need a stratified thermal store, not a buffer tank, and yes you have to have one else you'll waste all the heat from the "thermodynamic" panels (the ones that freeze up on the surface in UK winters....)
This is what you need : http://www.akvaterm.fi/eng/Accumulat...A_GEO.206.html you'll just about get away with the 300 litre version
and no there is no way around it
You don't need the solar version - that is for solar thermal systems.
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31-07-2014, 08:46 PM #9
Re: Buffer tank for a heat pump with panels
We are using this system In Portugal for 3 months a year
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22-09-2014, 06:46 AM #10