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306 posts

Ultimate Geek

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#197937 19-Jun-2016 10:26
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I usually set my central heating to 21 degrees at night and now with realtime monitoring off the power usage, i can see the following at night:



That is from midnight till 6AM. I think the reason why this is happening is that the temperature sensor is in the lounge and it drops temperature there much quicker than the rooms so the central heating keeps revving up to get the temperature right. Can the Daiken central heating system have multiple temperature sensors or am i better off using a zwave device to measure temperature in the room and let openhab drive the daikan via skyfi?

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16521 posts

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  #1576512 19-Jun-2016 10:43
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What actual problem are you having? This is just showing that you have a working thermostat.


Is this a heat pump based heater? If so this is fairly typical behaviour, heat the room up, turn off when you reach temperature, then turn back on when the temperature drops. It may be more efficient to do this than to try to run at low power constantly.

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  #1576517 19-Jun-2016 11:07
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That's just an approx 3kw load turning on and off with a thermostat. Normal.

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