Last seen: Sep 19, 2025
Apologies for arriving 'late' to this topic. We've been discussing the change from single-phase to 3-phase over here on a topic about DIY Solar u...
Erm... I carefully chose the adjective many when referring to installers.I deliberately didn't write 'major' or 'the majority of' installers. And wh...
@ellyse In 2021 OVO was one of three Energy Suppliers selected to administer the installation of heat pumps in 750 homes. OVO was assigned the SE Engl...
The quality of the installation is extremely important @ellyse A heat pump doesn't work like a gas boiler.It stays operating all the time, adjustin...
Three-phase Distribution Boards / Consumer Units I've started looking to see if there are 3-phase DBs which are more suited to the domestic market.T...
Only two sizes of PV panel cable are widely available: 4mm² and 6mm² I have never yet met an installation which requires the larger 6mm² option! Y...
Hi @ellyse and welcome. Your question is going to need responses from a number of us.I'm from a technical background, so I'll stick to those aspects...
Smart Meters is one of my pet subjects, so I'd really like to give a good response to these points. In my area the DNO is NGED. It has been their co...
Yes. Your inverter has two independent PV inputs.Each one is rated at 550v 13.3A maximum whilst operating in MPPT mode.So, for example, you could have...
I'm struggling to follow that.I need units 😉 So you have 6 Canadian Solar panels, each rated at 425w and connected in SERIES to one of the ...
The problem with the maths is that you're starting with two different types of panel. I proposed (purely as an example) 425w panels manufactured by ...
@david999 we did the calculations for the number of panels you could connect earlier in this topic here. It depends on the rating of the panels, so ...
Latest Posts
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RE: Testing new controls/monitoring for Midea Clone ASHP
High thermal mass, plus that chart is very zoomed in. I...
By cathodeRay , 22 minutes ago
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RE: Big Changes Coming to Our Heat Pump System
Agreed, and I'm in no way trying to defend poor system ...
By Old_Scientist , 1 hour ago
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RE: Preparing for 2nd winter in new build house.
Yuch! So that's basically just an on/off control. I...
By Transparent , 2 hours ago
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RE: Help me keep the faith with my air source heat pump installation
But presumably leaving the clips, visible in the photo,...
By JamesPa , 4 hours ago
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Good day everyone. I'm new here and have a few question...
By Edin67 , 5 hours ago
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RE: Boxt Heat Pump Installation Experience
Welcome to the forums. Was there any formal in-person...
By Mars , 7 hours ago
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RE: Say hello and introduce yourself
@transparent Morning. Just put a lengthy post on the AS...
By sbm74 , 8 hours ago
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RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
By JamesPa , 18 hours ago
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RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 1 day ago
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RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 1 day ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 1 day ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 3 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 3 days 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 , 3 days 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 , 3 days 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 , 4 days 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 , 4 days ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 4 days ago
