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Last seen: Aug 1, 2026
Myself I don't believe that it's an induced voltage in the EBUS. The installer is coming Thursday to reroute the cable.
Vaillant engineer arrived today. He change the control board and harness for the compressor. This did not fix the problem. So next step is for the ...
Yes have checked the outside unit is on and has 253 volts (yes 253 volts right on the national grid limit).
The installer has just called and noted an error code of F.753, which means there is fault with the outside unit (communication has been lost between ...
I looked online for this manual but didn't find. Can anyone provide a link?
Thank you. Will let you know when fixed.
The electrician was an employee of the company that performed the HP design and installation. As part of the design process I felt it was a mandatory ...
I don't know specifically but based on physical size, it looks like standard twin and earth that would be used on a 13 Amp socket. This is the feed f...
I stand corrected on this, there is a 20 Amp MCB feeding the heat pump.
here's a close up of what is installed.
This was a bit of a nightmare when I discussing my install with the provider. However, the install manual also stated that I need this: ...
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Degrees of Separation
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 17 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
Sooooo, what did we do in the end? We approached three ...
By Penval , 18 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 23 hours ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 1 day ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 1 day ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 1 day ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 3 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 3 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 4 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 4 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 5 days ago
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