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AllyFish
@allyfish
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Noble Member
Joined: Oct 31, 2022
Last seen: Nov 3, 2025
Profile Activity
Topics: 23 / Replies: 485
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RE: Grant Areona 17kw questions/concerns

@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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Areona 17kw questions/concerns

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: moving from ASHP to Gas Combi

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to keep SunSynk batteries warm?

@windsor-tg Sunsynk battery data sheet./p> Seems to indicate no de-rating between 0 and 50degC. 'Operating temperature' might be inside the battery,...

2 years ago
Forum
Energy Storage
Reply
RE: Which is more efficient Solar Diverter to Immersion/Hot water cylinder or Combi Direct Hot water on demand?

Solar diverter for DHW = free (when surplus solar) * Heat pump for DHW = 200-250% efficient (by far the most efficient electrical method of producin...

2 years ago
Forum
Solar Thermal & Power Diverters
Reply
RE: How to keep SunSynk batteries warm?

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...

2 years ago
Forum
Energy Storage
Reply
RE: ASHP Scotland Retrofit

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Scotland Retrofit

@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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Scotland Retrofit

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Additional 6.5kW battery on order

@transparent they are Craig and Derricott EPV252 25A 2 pole rotary isolators. Designed for DC voltage and Solar PV isolation, 25A @ 800V.

2 years ago
Forum
Energy Storage
Reply
RE: Additional 6.5kW battery on order

@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...

2 years ago
Forum
Energy Storage
Reply
RE: Additional 6.5kW battery on order

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...

2 years ago
Forum
Energy Storage
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