Pete Posted December 23, 2020 Author Posted December 23, 2020 8 hours ago, Nickfromwales said: 7 hours is a long blink. Chill out and leave it alone for the 48 hrs. Have you checked the isolation valves are all fully open on the pump isolation valves / other valves? May he strangled flow somewhere simple. Check pump ISO’s first. As far as I know all valves open as we flushed all the ufh lines before starting so all good there (I think)
PeterW Posted December 23, 2020 Posted December 23, 2020 Best way to check a UFH blender is working is to open it all the way and watch for the temperature rise on the gauge then bring it back down - keep an eye on the flow gauges to see if any of them stall. Are the actuators installed or is this just with the manual valve heads ..?
Pete Posted December 23, 2020 Author Posted December 23, 2020 2 hours ago, PeterW said: Best way to check a UFH blender is working is to open it all the way and watch for the temperature rise on the gauge then bring it back down - keep an eye on the flow gauges to see if any of them stall. Are the actuators installed or is this just with the manual valve heads ..? Getting there, rise of 2 degrees overnight. Be toasty just in time for Santa!! 1
Mr Punter Posted December 23, 2020 Posted December 23, 2020 Result. By the time we get to Xmas day you can spend the whole time in your Speedos! 1
Gav_P Posted December 23, 2020 Posted December 23, 2020 3 hours ago, Pete said: Getting there, rise of 2 degrees overnight. Be toasty just in time for Santa!! What’s it at now? We need regular updates!
SteamyTea Posted December 23, 2020 Posted December 23, 2020 (edited) Do you know how your system defrosts. I may be drawing from your buffer tank, or using the inbuilt resistance heater, or something else? At 4°C, water is at its most dense, so that is the worst temperature possible for an ASHP (in the scheme of things). Edited December 23, 2020 by SteamyTea 1
Pete Posted December 23, 2020 Author Posted December 23, 2020 5 hours ago, Gav_P said: What’s it at now? We need regular updates! As of 1800 hrs it was 15.5 and we are moving in tomo!!
Gav_P Posted December 23, 2020 Posted December 23, 2020 Just now, Pete said: As of 1800 hrs it was 15.5 and we are moving in tomo!! Perfect... tomorrow it should be comfortable!
ProDave Posted December 23, 2020 Posted December 23, 2020 We had a bit of experience of this when we returned from a 2 week holiday in the Autumn. It was unusually cold here for the time of year and the house had been sat empty for 2 weeks with no heating and no incidental heating from occupancy and was down to 12 degrees when we got home. Heating on and stove lit and by the next morning it was getting comfortable but probably more like 2 days before it was all back to normal. Our house thrives on a regular low level of heat input and takes a long time to cool down if the heating goes off then a long time to heat up again.
Mr Punter Posted December 23, 2020 Posted December 23, 2020 In a new, properly insulated house it can take much longer to heat up and cool down. I have had heating fail in the winter and not notice for a day.
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