Last seen: May 14, 2025
@marvinator80 You can see the LWT (and Return WT) on the Controller. Slightly easier than getting to the other parameters, you press the 'return' key ...
The optimal figures will be different for each house, but those figures don't look wildly out. 21 01 is the fixed LWT (leaving water temperature); s...
@allyfish Ditto for my Grant 10kW - it gets closer to the target LWT after each iteration following the defrost cycle, but never seems to quite make i...
Grant couldn't make it any simpler(!) ... or not ... Go to the Controller, and open up the flap: Press 3 buttons at the same time: the one that lo...
So far as I understand it, pressing the up/down has no effect (other than to change the number being shown). In the installation guide: "Please note...
I wouldn't take the cover off the EP001 - just trace where those 4 white electric cables are going to. At least one will be carrying the control signa...
This will be my first winter with my HP, and it currently seems to be struggling ... it's been trying for 3 hours to hit the target LWT for 0°C (46.5)...
Looking at your first picture, showing the HW cylinder, you can see (from the top) the HW Timer and Thermostat (these are controlling the DHW times), ...
It's hard to tell. Having the Chofu controller in the airing boiler room is generally where they are placed - and as such, the "internal temperature" ...
@derek-m I'm trying to get decent data out of my Grant Aerona over modbus too. Sadly, it also provides low resolution data; key values such as LWT and...
Your display is confusing to see on a Grant controller. The symbols you have highlighted ('On' means a Timer program is currently running; the clock s...
Attached as a PDF is anybody fancies a read.
Latest Posts
-
RE: BUS Grant: removal of all other fossil fuel heat sources
@rikiarn - just have a think as to how much it will cos...
By Transparent , 38 minutes ago
-
Don't do much digging around.That's best left to the pr...
By Transparent , 47 minutes ago
-
Hi all, I was wondering if anyone had an idea of how th...
By Wh0am3ye , 4 hours ago
-
RE: EBAC re-entering the ASHP market in 2023
@toodles confirm i have Ebac 5kw ASAP + homely and it w...
By marcinwloch69@gmail.com , 5 hours ago
-
RE: Compute heat loss from energy used
@jamespa Ebac must be similar to Mitsubishi as they buy...
By marcinwloch69@gmail.com , 5 hours ago
-
RE: Is a Valliant Inline 6kW heater a BUS buster?
When i was looking I encountered one installer who does...
By JamesPa , 6 hours ago
-
@pie_eater I have been thinking of adding cooling to my...
By TechnoGeek , 2 days ago
-
RE: No-code, plug-and-play monitoring for your heat pump
Just in case anyone is looking at Planet Atmo- we've ma...
By benson , 3 days ago
-
RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
Agree, but you may have a hard time convincing them, as...
By JamesPa , 3 days ago
-
RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
Hi - fyi - there's a dead image link in the 'Optimal In...
By seatonian , 4 days ago
-
RE: Ripped Off: How UK Homeowners Are Paying Gas Prices for Wind Energy
@chandykris Horses and beggars…. 😉 Toodles.
By Toodles , 4 days ago
-
RE: Cleaning up after gas meter removed
@agentgeorge Likewise in the loft space; we have 300mm ...
By Toodles , 4 days ago
-
RE: Ecodan consuming 100kwh per day in new build!!!
This particular example is one of the worst I have seen...
By JamesPa , 4 days ago
-
-
RE: Fan running in hot weather ...why?
I wonder if it has some kind of pressure transducer to ...
By ASHP-BOBBA , 5 days ago
-
RE: Cooling with Samsung Gen6 and Flow error
@iaack The system isnt running long enough for any cond...
By EcoBaker , 5 days ago
-
@heacol thanks for confirming we can only hope NAPIT ag...
By Bart , 5 days ago
-
Sorry to hear that @bruce. Sadly I’ve heard from multip...
By Mars , 7 days ago
