Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
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 ...
- 27 Forums
- 2,767 Topics
- 65.1 K Posts
- 1,795 Online
- 7,169 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Next steps on my ASHP journey: Radiators and Pipework
If you are considering phasing the project, then I woul...
By GrahamF , 7 hours ago
-
RE: Siting of the external sensor on a heatpump
Of course had the heat source been a heat pump it would...
By JamesPa , 9 hours ago
-
Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 9 hours ago
-
RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 11 hours ago
-
RE: Is it the house or the equipment?
@springswood We have two Daikin single split A2A syst...
By Rob of York , 12 hours ago
-
RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 2 days ago
-
No, but the heat pump must be capable of delivering a S...
By JamesPa , 2 days ago
-
RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 2 days ago
-
RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 2 days ago
-
RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 3 days ago
-
RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 3 days ago
-
RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 4 days ago
-
RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 4 days ago
-
@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago


