Last seen: Apr 7, 2025
@gc61 Less that one start per hour is very good, our pump can manage that when its cold, but it cant modulate down low enough in Spring and Autumn, ev...
@transparent Thanks for the info, i will try to get EDF to escalate to the DCC, if that doesn't work i will have to wait for the new WiFi system to go...
@tim441 Re the silent mode, It made me think have a missed something, but i have looked it up, on the Viessmann all the silent mode does is restrict t...
Does anybody have any figures re the efficiency of heat pumps when under different loads? A car engine ticking over is more efficient than one runni...
@jamespa It depends on what "bad" cycling is. In spring it would run for a total of 4 hours in the 9 hour period that i had it set for, it would cycle...
Our heat pump is oversized by a factor of 2. It is capable of 10Kw at temperature of -5, the most we have used in one day in the last 2 and a half yea...
We have a 10Kw Viessmann 200A it SCOP is currently 5.2, this has increased over the last 12 months from 4.7 by tuning the system to our property. The ...
@cathoderay Re the 1.18 correction figure. I have a completely different pump (Viessmann) and have a well insulated property with underfloor throug...
With reference to the now christened Vampire load, on my Viessmann i have one meter monitoring all the energy to the entire heating system, the other ...
I am new to the forum, but have been following this topic closely, as I am sure are many other heat pump owners. To quote Sherlock Holmes - When yo...
Latest Posts
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RE: New build installation query
Assuming it is your property, did the previous owners p...
By Batpred , 6 minutes ago
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RE: Midea ASHP – how to set weather compensation
@jamespa and @cathoderay thanks very much. As always ...
By pash44pump , 10 minutes ago
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RE: Solar inverters - where does the energy go when clipping?
@transparent Thank you for the information ...
By Batpred , 17 minutes ago
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RE: What should we do with our Aga?
@annahickson We had a similar dilemma with our oil-fire...
By Morgan , 24 minutes ago
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Upgrading radiators is almost never a bad thing to do, ...
By JamesPa , 1 hour ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
17l/min is enough for only 6kW at 5C DT, not surprising...
By JamesPa , 2 hours ago
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@bontwoody The extra battery capacity is the solution f...
By Toodles , 2 hours ago
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RE: End of Summer Time Reminder to Ecodan owners
As I understand it....ha....Melcoud will over ride any ...
By Abernyte , 2 hours ago
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Finding flow temp data from Samsung 16kw HP
Hello, I have a Samsung MIM-E03 16kwh heat pump, and ...
By martingale , 11 hours ago
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RE: Faulty Clivet heat pump out of the box
We would never win these projects as we spend 1 whole d...
By ASHP-BOBBA , 13 hours ago
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RE: Ecodan Melcloud Temperature Change
@gruff2001 - if set on WC, the app is only communicatin...
By ASHP-BOBBA , 13 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@toodles indeed. the question of proof will only get ...
By Tim441 , 17 hours ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
@jords were you not given a copy of the full heat loss ...
By Chas Barry , 19 hours ago
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@eliuccio Sometimes changes in electrical regs only app...
By Toodles , 19 hours ago
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RE: Should Our Water Circulation Pump Be Configured to Run All The Time?
I signed up here due to finding this question via a Goo...
By Unsure , 20 hours ago
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RE: Mitsu PAR-WT60 Wireless Controller
Aslo, subject to FTC version, Your thermostat will cont...
By ASHP-BOBBA , 23 hours ago
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@bontwoody Thanks for the info. Quite a spread of value...
By springswood , 23 hours ago
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RE: Daikin Octopus installation update - I saw my first defrost. 😍😂
Thing is it is one of those intermittent things. Yes I ...
By Jancold , 24 hours ago
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@transparent Yes to questions 1 to 3. Also, yes to the...
By Morgan , 24 hours ago
