Last seen: Sep 14, 2022
@derek-m Hi Derek, just a wee query. Since I have Flow temperatures and outside temperatures at 2 min intervals, if I plot these on a graph, if th...
@derek-m thank you sorry again for being such a pain.
@derek-m sorry I cant seem to see the attachment you mentioned
@derek-m I do have a Vaillant aroTherm 45 liter buffer tank in the system . I have attached the Vaillant Schematic Drawing and I believe my s...
@kev-m Thanks for the info. I think you are confirming that I'm not being unrealistic to look for higher COP and SCOP. I still hope Vaillant will...
@derek-m this is my MCS spreadsheet. I completed this myself.
@derek-m I live in the South West of Scotland and originally I was repeated told that the heat curve should be 1.2, but recently as part of their i...
@derek-m I really hope I'm not putting you to any bother Derek. 1a) the COP via the Vaillant sensoApp is calculated by dividing the sum of Electr...
@derek-m I don't have thermostats but I do have a Vaillant sensoComfort which I believe acts as some kind of thermostat. It is used to set temperat...
@derek-m thanks for that. I'm pretty sure it is in "weather compensation mode "as it cuts out when outside temperature goes above 21degrees and its ...
Thanks for the info I will research further. From the information I am getting my system has never drawn more than 4kW at any time since the install. ...
I am no Heating engineer but I think there are a number of things to consider here 1) the MCS Heat Loss calculation is for the entire house. I have ...
- 22 Forums
- 2,055 Topics
- 44.8 K Posts
- 18 Online
- 3,289 Members
Join Us!
Trusted Installers
Struggling to find a reliable heat pump installer? A poor installation can lead to inefficiencies and high running costs. We now connect homeowners with top-rated installers who deliver quality work and excellent service.
✅ Verified, trusted & experienced installers
✅ Nationwide coverage expanding
✅ Special offers available
Latest Posts
-
Win a 6-panel PV courtesy of egg and Renewable Heating Hub
Our epic giveaway just went live! Want to win a 6-pan...
By Mars , 8 hours ago
-
RE: Yes, the "zoning with ASHP" topic again...
James, thanks again for your thoughtful and persistent ...
By HarryRea , 8 hours ago
-
RE: Getting the best out of a heat pump - is Homely a possible answer?
Isn't that the whole point of homely - it does that fun...
By Johnmo , 10 hours ago
-
RE: Is this normal? Click of the DHW returning to space heating
So the Lone Ranger returned today! Even though we thoro...
By Grantmethestrength , 11 hours ago
-
RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide
@jamespa So settings to date are as follows for now. ...
By Alfapat , 12 hours ago
-
RE: Vaillant & OVO partner up to offer Heat Pump Plus
Hopefully iv done the right thing today by signing up t...
By Westkent , 13 hours ago
-
RE: IVT Greenline high pressure switch and electrical cassette errors
Hi, are you able to see the delta between GT8 vs GT9 te...
By abbote , 14 hours ago
-
RE: Battery sizing - How low can you go!
My own experience with connecting four batteries to thr...
By Transparent , 20 hours ago
-
RE: Plate heat exchanger considerations
Work on 2-3 percent per degree. This is a reasonable e...
By JamesPa , 1 day ago
-
RE: Advice for ground source heat pump in new build with PV and batteries
The useful bit is the bit that specifies the heat loss ...
By JamesPa , 1 day ago
-
RE: Volumisers in Heat Pump Systems: Does Placement Matter?
You’re absolutely right that during defrost the refrige...
By Mars , 1 day ago
-
@editor thanks Mars that’s the same table I found in th...
By Gary , 2 days ago
-
RE: Tariff and charging strategy advice please
They haven't asked me to prove that I have an EV (I do)...
By JamesPa , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
Took a while to find on the OFGEN site: ”The FIT sche...
By AgentGeorge , 2 days ago
-
RE: why solar diverters for HW instead of the heat pump?
For me there are few factors why you may want to heat w...
By Johnmo , 2 days ago
-
RE: Hydronic plinth heaters and ASHPs
@editor yes I think so. It will be a while until I get ...
By benson , 2 days ago
-
RE: Aira Heat Pump: Stylish Scandinavian Heating
I’m an Aira customer with a 6kW Outdoor Unit in a small...
By KevinPotts , 2 days ago
-
RE: Is your heat pump insured?
@richard24738 good to hear. I’ll also review them this ...
By Mars , 2 days ago
-
RE: Warm weather and heat pumps.
Just looked at my WC setting, it is programmed for 25 D...
By Johnmo , 2 days ago