Last seen: Sep 15, 2025
@daniel nothing wrong with those parameters for HW generation. 4degC over flow and return is about what I see. ASHP is pulling quite a high power in H...
Hi @daniel, if you can share some info & answer a few questions I'm sure people will try to help & share experience with Grant installs. 17k...
Hi @ninja-tiger, I think British Gas might be stalling or not wanting to do the install. The job might not be as straightforward as a simple gas boile...
@windsor-tg Sunsynk battery data sheet./p> Seems to indicate no de-rating between 0 and 50degC. 'Operating temperature' might be inside the battery,...
Solar diverter for DHW = free (when surplus solar) * Heat pump for DHW = 200-250% efficient (by far the most efficient electrical method of producin...
That's a tidy install @windsor-tg. Li-ion batteries only tend to de-rate charging capacity below 0degC. How often does your garage get below 0degC? Yo...
Hi @adamm, nothing special, 30mm sealed argon filled PVCu DG units, to front of house 2yrs old, to rear of house 15yrs old, 200mm loft insulation. PVC...
@adamm. MCS energy consumption predictions for my Grant 10kW ASHP were well out for both estimated existing and future. So far out as to be disregarde...
Hi @ =adamm, I am 70 miles south o' the border, in North East England. But converted oil boiler to ASHP a year ago. No regrets, but quite a learning e...
@transparent they are Craig and Derricott EPV252 25A 2 pole rotary isolators. Designed for DC voltage and Solar PV isolation, 25A @ 800V.
@transparent black isolators are DC solar PV isolators, two strings, one 4 panel, one 5 panel. I await the DC MCB from L R Renewables by Mail and a da...
All done now, 13kW storage. But the installer forgot to include a 125A DC MCB to the new battery, so a percentage of the cost withheld and they’re com...
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RE: How to choose Towel Rails for an ASHP
We are going for Stelrad Vertical Ultra radiators in tw...
By GrahamF , 3 minutes ago
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That's probably the most important point, maybe see if ...
By cathodeRay , 2 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 2 hours ago
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Thank you for raising your concerns. Customer safety, s...
By Mixergy , 5 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 5 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
I've never physically seen it, but I seem to recall som...
By cathodeRay , 5 hours ago
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@jamespa Ours is a Daikin EDLA03 8 kW and the Delta T =...
By Toodles , 6 hours ago
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RE: Big Changes Coming to Our Heat Pump System
Day one is done. The system’s been fully flushed and ...
By Mars , 20 hours ago
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 22 hours ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 22 hours ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 23 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 1 day ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 2 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 2 days ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
By JamesPa , 2 days ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 4 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 4 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 5 days ago