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Tekkieİ Tekkieİ is offline
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Default How does a typical heating system controls work?


On Sat, 20 Feb 2021 03:05:37 -0800 (PST), Alexandre Verri posted for all of us
to digest...


I bought a house in Ireland two years ago and I still have some doubts about how the heating system controls should work.

My house has one thermostat and also a programmable mechanical timer. This is what I refer here as the control system. The actual behaviour of the control system is:

Regardless of the programmed timer, if the room temperature is less than the temperature set on the thermostat, the boiler and pump start working to heat the house.

If the room's temperature is bigger than the temperature set on thermostat and the timer fires, the boiler and pump start working to heat the house.

It seems a strange behaviour, this is not what I would have designed. I would prefer the following:

If the room's temperature is less than the thermostat and the timer fires, the pump and boiler should start working.

Please share your thoughts on this, how is your control system?


I am taking a SWAG he I think you want to set the timer and it's temperature
to when people are actually in the house and awake.

The other setting is what I would call a 'sleep mode'. Some people like the
temperature cooler when they are asleep or the house would be vacant for a
significant time.

You probably have what is called a programmable thermostat. I am in America and
not familiar with Ireland. Although I would like to travel there and have
ancestors there. I have reposted this to the newsgroup group called
alt.home.repair in the hope that you will receive more thoughts. Please
subscribe and join us there.

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Tekkie