Activity
 
Notifications
Clear all
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Jul 28, 2025
Topics: 16 / Replies: 2640
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

The plot you posted was more like 80% duty cycle, unless you also increase flow temperature (compromising efficiency) then you cant, at the outdoor te...

6 months ago
Reply
RE: 4 port buffer tank connections

Just thinking about this measuring the temperatures on all 4 ports should, I think, provide enough information to achieve a reasonable balance. Some...

6 months ago
Reply
RE: 4 port buffer tank connections

The defrost energy has to come from somewhere, ultimately from the heat pump! Just to be clear I have neither a buffer nor a volumiser in my system ...

6 months ago
Reply
RE: 4 port buffer tank connections

If they did in the past but dont now then there are at least three contractual questions that arise 1. If they insisted on a buffer as a condition o...

6 months ago
Reply
RE: 4 port buffer tank connections

I would support that sentiment. One conventional way as I mentioned earlier is sensors at one third and two thirds up the vessel. However buffer...

6 months ago
Reply
RE: 4 port buffer tank connections

Do they? That's not what I observe from the several manuals I have read (albeit in some cases fairly quickly, I admit) over the past 2 years. I wond...

6 months ago
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

It does sound like the house has a large thermal lag. Bear in mind that the thermal lag of the house can be long even if the radiators can cool quick...

6 months ago
Reply
RE: Not a good January? My heat pump used 840 KWh of electricity

Apologies, I thought you were complaining about the comparison between the two months. My figures on the temperature differences were for Birmingham ...

6 months ago
Reply
RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

If only others took the same approach we would see far, far fewer posts on this forum (and others) complaining about poor performance, and indeed far ...

6 months ago
Reply
RE: 4 port buffer tank connections

100% agreed, I am a firm believer in the liberal use of occams razor!. I was just saying it (balancing a buffer) can be done, although it seems, judg...

6 months ago
Page 84 / 222
Share:

Join Us!

Latest Posts