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Solar hot Water question

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Posted by atec on June 13, 2004, 12:32 am
 Im currently living in Queensland Australia and the the new home (
used) is fitted with a slightly geriatric solar hot water system ( about
2 meter's square class receiver) and being winter the air temp doesn't
get over 24 deg during the day , on over cast days we get no heating at
all and on sunny achieve warm /40 deg C status only . A disappointing
performance , now the question is what if anything apart from running
the booster can we do to improve output at an acceptable temperature ,
on a good sunny day 3 hours of solid sun produces a comfortable shower (
50 deg c) but over night the systems seems to lose more heat than I
 its a flat panel not a tracker ..
 Thanks in advance
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Posted by Ecnerwal on June 13, 2004, 3:00 am

Perhaps the insulation on the storage tank or piping needs to be fixed
or upgraded.

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Posted by Gary on June 13, 2004, 3:55 am
 Ecnerwal wrote:

You might also make sure that the pump is not circulating fluid in the
collector loop until the collector is hot -- i.e. that the controller is
working correctly.

Posted by atec on June 13, 2004, 8:21 am

Gary wrote:

 to put it simply . HUH ?.

 I have never owned one before , a hint please .

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Posted by Gary on June 13, 2004, 2:25 pm
 atec wrote:

Can you give us a little more detailed description of the system?
Is the there a collector on the roof with pipes that lead to a storage
tank inside the house?  Or, are the tank an collector combined on the
roof?  Is there a pump to circulate fluid through the collector?

This would all help to understand where the problem might be.


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