Browse Forums Heating, Cooling & Insulation 1 Feb 26, 2009 8:13 pm Hi Everyone
We have a Rinnia hot water system hooked up to solar panels on the roof and coming up to our three month inspection. I was wondering if there is any way to tell whether the solar panels on the roof are actually working - ie is there a way to test it is working before we sign final completion. Cheers Rowan Re: How do you know that you are getting Solar Hot Water? 2Feb 26, 2009 9:25 pm rowan Hi Everyone We have a Rinnia hot water system hooked up to solar panels on the roof and coming up to our three month inspection. I was wondering if there is any way to tell whether the solar panels on the roof are actually working - ie is there a way to test it is working before we sign final completion. Cheers Rowan You probably can get some idea from your off-peak tariff (I assume you are on J-tariff). A 300L tank will need about 15 kWhr to heat up completely. Around this time of the year you should be getting close to 100% of your hot water needs. Check your meter at 2100 then at 0600hrs. Re: How do you know that you are getting Solar Hot Water? 4Feb 26, 2009 10:49 pm If you have a Rinnia I presume it is a ground mounted tank with a gas booster. If it is don't turn off the electricity it is needed for the circulation pump. You could turn off the gas though. Another way would be to wait until the sun is up in the morning and listen at the unit for noise made by the pump and feel the pipes running to and from the panels to see if they are hot.
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