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: Aug 1, 2026
Sim0n0 JamesPa Thank you.
JamesPa You will be please to know that this afternoon WE made the DIL switch change to give us a 2C Thermo OFF time. The change was easy, but stress...
The Thermo Off (not Thermal Off) only relates to the latest SW installed by Hitachi. To change the Thermo Off setting you have to go into the control...
@jamespa The new sw was to prevent rapid short cycles which we were seeing every 3 to 5 minutes. BTW. Heating ticking away at 50% Night Setting. N...
I could do the change, I do have an electronics background. But due to health reasons, I am just not confident in doing such things. He does have t...
@jamespa No its a chargeable visit. So be at least £200.
@jamespa I have good news. I now have the instructions for: Thermo Off. This can be changed to 2C or OFF. I think I will go with the 2C option....
@jamespa Looking at setting up the weather compensation. I know from the building that 32C is fine for temperatures below 0C and 5C. But don’t k...
JamesPa Below is the plot of yesterdays run (30 Nov). Surprise NO THERMO OFFS. Ran for 10.5 hours. Im afraid it's a fluke!!! I have always expre...
JamesPa. Thats one thing that I do have right. Cross that one off the list.
You always challenge my thinking! I don't specifically know why I think it's too long. My only thought is do other systems/users have that long time...
JamesPa Just for information 29th Nov run. Nothing really new, except that these Thermo Off periods are way tooooo long at 1hr 20 mins and 2hrs 20 mi...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
@bobflux Thanks for the suggestion and we’ll give it a ...
By Chris66 , 6 hours ago
-
RE: Electricity price predictions
So a final update on Charge Pack, now I have nearly rea...
By bontwoody , 10 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
My ideal install would have my battery installed before...
By BlizzardGreen , 10 hours ago
-
Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
I have a 16 year old Mitsubishi Ecodan (5kw) that has a...
By CalumM , 10 hours ago
-
RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 1 day ago
-
RE: Can I start an argument about buffer tanks please? 🙂
Assume flow from the heat source is higher than flow to...
By bobflux , 2 days ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 2 days ago
-
RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 2 days ago
-
RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 2 days ago
-
RE: Love veg, hate watering cans
My dear daughter came for a bath and was given clear (I...
By Jancold , 2 days ago
-
RE: Questions about A2A for heating as well as cooling
@ashp-bobba ah that's good to know, I'll get in contact...
By donciccio , 2 days ago
-
RE: Aircon - in listed buildings
@etchedpixels thanks for giving such a full and helpful...
By GrahamF , 3 days ago
SPONSORS
