Last seen: Aug 13, 2025
@jaket yes curve too low there are plus and minus symbols on the front screen turn it up a few degrees you don’t need to adjust the whole curve this w...
@jaket If you have all the circuits in the house calling for heat then unfortunately the heat pump can’t modulate down any further so it has to start ...
@paulrlondon fyi flow rate range for the 11.2kw unit is 14.4-32.1L/min
@jaket I would increase the tank temp you are heating to, 45C is too low if your showers getting cold after a few mins
@jaket yes leave at 5 19 litres per min is fine mine runs at a similar rate
Here is my flow for an hour yesterday afternoon it ran like this all day. just noticed you posted flow rate was that from the running information me...
@jaket Hi I have an ecodan with ufh and rads and Heatmisers. You can get it working well. It will just take some tweaking. What you will probably ...
180sqm detached house built in 2000 so insulation isn't bad but isn't great either, 8.5KW Ecodan, UHF downstairs retrofitted so little thermal mass, R...
@crimson with the flow and return temps you are getting they are very wide DT13, this suggests not enough flow rate in the heat pump circuit is there ...
@crimson Ignore my previous post not enough caffeine. DT20 is possible but your heat pump is going to be running at a relatively high temperature so...
I'm no expert but I think you are using the correction factors incorrectly, your rads can't output more heat at a lower DT, so even if you do have a d...
@dannymoss23 Do you have a Mitsubishi preplumbed cylinder, if you do and you have have already stated you have 2 zones, 1 for UFH and 1 for rad...
- 26 Forums
- 2,158 Topics
- 47.4 K Posts
- 52 Online
- 5,736 Members
Join Us!
Podcast Picks
Latest Posts
-
RE: Midea ASHP – how to set weather compensation
@jamespa is right, typically they are far from linear, ...
By cathodeRay , 30 minutes ago
-
RE: Humming sound on new install.
Cant hear a thing with my 7kW Vaillant* so something is...
By JamesPa , 35 minutes ago
-
RE: Is a Valliant Inline 6kW heater a BUS buster?
Vat free applies to supply and install only no DIY. &...
By JamesPa , 2 hours ago
-
Funny story Graham, when I started looking to ...
By DREI , 9 hours ago
-
RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 13 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 , 15 hours ago
-
RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 15 hours ago
-
RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Yes Octopus only have the £9 a month service plan for t...
By NJT , 17 hours ago
-
RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 17 hours 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 , 17 hours 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 , 23 hours 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 , 2 days ago
-
RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 2 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
-
RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 3 days ago