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Last seen: Dec 1, 2023
@mikefl @mab, if it helps at all, here's today's data on my Grant 17kW model. The defrost cycles are depicted by the cliff edge drops in the flow temp...
@shapingstuff Here's the electric consumption Vs heat generation of my Grant 17kW unit - EmonCMS link. I used a emonTX with CT clamps to measure ...
I would say you are looking for a controller like pictured in @allyfish 's post here:/p> Or the controller to the right of the picture here:/p> ...
The warmup device is usually for the mat type electric underfloor heating, commonly found in bathrooms.
On most installations the Grant controller is just used to configure the system and external controls are fitted to demand heating and hot water. ...
It is more efficient in the long run as you want the flow temperature to be as low as possible while keeping the house warm, with the heat pump runnin...
Was this a zone on the EvoHome system or just had water flowing when one of the zones was calling for heat? If you can get the heat pump running...
@sirpatchuk1980 I had EvoHome in my last house, a great (if expensive!) setup that did work on my gas boiler. I would not use it on my heat pump tho...
@robl thank you. It's definitely the complete circuit (DHW out and around to the DHW return) - exasperated by the Mixergy technology with their pump o...
Sorry for the delay, notifications for this forum go to my spam folder. The installer I used suggested fitting a motorised valve, linked to the same...
@webcmg From the pictures on your first post it appears that the DHW outlet and secondary return inlet are piped straight up into your ceiling ...
@kk_777 don't worry, I hadn't heard about thermosiphoning either until I started looking in to why the tank heat loss was so great. As for the tank ...
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Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
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@kilgorexv, I actually think doing your own calculation...
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
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