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Renew-Reuse-Recycle
22nd May 2013 Login  
Uh-oh, pressure loss.
by Simon at 2007-03-23 16:38:40 (Blog::Simon)
Having spent some considerable time up in the loft recently (fitting 250mm of insulation) I noticed the pressure in the solar heat transfer fluid system was a lot lower than I expected - much less than 1bar.

So I called the installers out and they took a look at it.

About half a litre more fluid needed to be pumped in to bring the pressure back up to where it ought to be when the panels aren't being heated.

However, on returning downstairs to the boiler room (where the hot water cylinder and all the control boxes live) we found a small pool of liquid on the floor underneath where the solar flow connection goes into the hot water cylinder.

Which means there's a leak somewhere - but it's not obvious where exactly - no drips or splashes to be seen.

I've now got a nervous few days waiting to see what happens when the sun comes out and the fluid expands as a result.

--
Simon

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Uh-oh, pressure loss. There is an attachment here Simon - 23/03
    Thanks for your whole blog muymalestado - 22/04
       Re: Thanks for your whole blog Simon - 4/05
    Pressure Loss update Simon - 4/05
       Re: Pressure Loss update muymalestado - 8/05
          Re: Pressure Loss update Simon - 10/05
             Re: Pressure Loss update muymalestado - 10/05
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