Off Peak Fallacy

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Off Peak Fallacy

Post  merlin on Mon Jan 25, 2010 9:20 am

Has anyone else noticed that the off peak times, eg, 12:00 till 7 am are usually the least likely time you would use hot water so most boilers would be sleeping during this time, and working overtime during the mornings and evenings when we do use hot water.
The off peak/on peak electric in our development is controlled only by the meter, and not by time switches, so the wiring from the meter is one supply that goes to two fused isolater switches, and then to the heating elements, one switches the boiler on/off - the other is a mystery? (when in the off position the boost button if pushed will glow but no hot water! when in the on position, no boost button but plenty of hot water. (confusing) , I have tried to compare this wiring with the wiring diagram supplied with the boiler ??? I am now wondering if the problems we were having with the boost button not working is because it appears to be permanantly wired!.


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Re: Off Peak Fallacy

Post  Mike the Boilerman on Tue Jan 26, 2010 1:46 am

Hi Merlin,

I think you are misunderstanding the whole point of a Pulsacoil. It is a thermal store. Thermal stores draw low cost night-time heat energy at night and store it for use during the following daytime while energy costs are high. The boost button only works when the appliance has cooled down and needs re-heating. Have a careful read of the user instructions!

It could also be that one of the power relays has burned out.

Cheers, Mike

Mike the Boilerman

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