
Last seen: Sep 12, 2025
No. The substation is where the voltage drops from 11kV to 440/230.In your case that transformer is 35/1198 and it's on a pole next to your house! I...
It is typical of the energy sector that they use official terminology to describe something, but that the naming isn't well founded on either the unde...
Service Fuses and their conditions are covered in the Meter Operators Code of Practice Agreement.I strongly suggest that you download a copy of the ol...
Thanks @rusty. There's lots of correct detail in what you write, which indicates that you have been talking to the right people. However, it is usua...
Erm... what's the return water temperature for your boiler in its present situation? If it's above 45degC, then your HP won't be able to add anythin...
These look to me like they are 5kWh rack-mount boxes.So they'll probably have 100Ah cells inside. I wonder why they've decided to start from a relat...
Hi @jvs197 and welcome! My first observation is that your 8.5kW ASHP is already oversized for your sumptuously-insulated house.So your system design...
Your meter falls within the responsibility of your Energy Supplier, whereas the 100A Service Fuse belongs to your DNO.So you'll need to seek advice on...
Not a photo which screams out "well insulated pipework" @gc61 🤔 Equally, whilst Viessmann could use your third photo for advertising purposes, on...
Yes. That's where we're in agreement. Simply having the units talking to each other isn't reassuring me that they'll arrive a sensible answers - esp...
I don't think you need be concerned about that point. The reason we top balance is to create an even charge in each cell. It means that the balancin...
That's the response I expected from a Viessmann customer.They've established a niche market at the high quality end of the spectrum. I doubt that Vi...
- 26 Forums
- 2,158 Topics
- 47.4 K Posts
- 41 Online
- 5,736 Members
Join Us!
Podcast Picks
Latest Posts
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@abernyte Mitsubishi warranty is 3 years if installed b...
By dgclimatecontrol , 8 minutes ago
-
The amount paid even if it worked is mindblowing, I'm a...
By dgclimatecontrol , 13 minutes ago
-
RE: Is a Valliant Inline 6kW heater a BUS buster?
I think so but I don't know for certain. A cascade as ...
By JamesPa , 1 hour ago
-
RE: Humming sound on new install.
Sorry, I should also add these checks The ASHP must ...
By ASHP-BOBBA , 2 hours ago
-
RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 2 hours ago
-
RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I have been working on network resilience for a while. ...
By Scalextrix , 4 hours ago
-
RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 20 hours ago
-
RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 22 hours ago
-
RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 23 hours ago
-
RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 1 day ago
-
RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 1 day ago
-
RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 1 day ago
-
RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 2 days ago
-
RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 2 days ago
-
RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 3 days ago
-
RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 3 days ago
-
RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 3 days ago
-
RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 3 days ago
-
RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 3 days ago