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AllyFish
@allyfish
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Noble Member
Joined: Oct 31, 2022
Last seen: Aug 20, 2025
Profile Activity
Topics: 23 / Replies: 471
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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
Reply
RE: How to turn ASHP heating off!?

Hi @Tufty Insulation looks adequate, it's a little short on one of the external pipes to the unit, and a little untidy inside, and missing over isolat...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are you planning to use a wood burner to supplement your central heating this winter?

Yes. We light the log burner some evenings now, more for the aesthetic rather than the comfort. It takes the chill off the house and saves putting the...

2 years ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: How to turn ASHP heating off!?

Glycol - good for frost protection, not so good for thermal performance. Be mindful that increasing the concentration of glycol to lower the freezing ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Page 24 / 42
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