Last seen: Oct 7, 2025
@iantelescope PWM was released on gen 6 units about 5 years ago, i had one installed so i could train people on it. the PWM signal doesnt do anything,...
@william1066 the manual says alot of things but i was always told dont believe all the lies you are told.
thanks for buying it, its a little lower level than this discussion. The pwm function people are looking at is interesting. its a great idea, s...
fair points apart from the fact that you are assuming you will use the same amount of energy every year. If you measure it every month of every ...
It's all here
11 years ago this was easy ken. But much harder now. Units over the last couple of years don't ramp down much below 30 or 40%. And they really hate ru...
I have read some ill informed rubbish in my time but this thread is world class. First I wrote the freedom calculator. The data is fine. I owned Fre...
i think its hilarious that our industry worries about cop when all that matters is run cost. The pumps are there to do a job, they would be there if y...
@olly there is a technical issue with it not being on the mcs yet, i think its supposed to be on in December, after that reviews will pour in. But fro...
and that explains why i have a job, i spend my days speaking to homeowners after they have had a site visit from thier installer of choice and have lo...
I wrote a book answering all these questions its on amazon, but why on earth would you buy a unit from someone who cant answer the qs? , getting idiot...
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Latest Posts
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RE: Setback savings - fact or fiction?
Given the weather has been relatively stable, the empir...
By Batpred , 4 minutes ago
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New Daikin 11kW Altherma 3M install - is it working as it should?
I had the system installed by Octopus in October last y...
By Synthbuilder , 15 minutes ago
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RE: Rate the quality of your heat pump design and installation
🤣 what exactly did he dismiss and why?
By Mars , 34 minutes ago
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RE: Post-Traumatic Heat Pump Stress Disorder
@jamespa Hi James - thanks so much! That sounds like ut...
By johnbroome , 49 minutes ago
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RE: Heat pump not reaching flow temperature
@jamespa system design was for 40 degrees FT at -2 degr...
By DaveC , 1 hour ago
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RE: GSHP WOES! Midland based engineer recommendations?
@editor That is very kind! Thank you so much.
By johnbroome , 1 hour ago
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RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP
@iotum, this is a really good question and you’re right...
By Mars , 1 hour ago
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RE: Recommended home battery inverters + regulatory matters - help requested
That matches the TN-C-S diagram here Your post crosse...
By JamesPa , 1 hour ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
@wally Hi I am not sure how large your house is b...
By TechnoGeek , 2 hours ago
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Please help with the settings ecodan
I have a 160 square meter house, first floor 6 radiator...
By nose1972 , 3 hours ago
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RE: Predicted Heat Loss & Needs from MCS calcs vs EPC vs actual
I've been thinking along similar lines to @tim441 from ...
By Sheriff Fatman , 3 hours ago
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Thanks, @technogeek. Good to hear about the accuracy. ...
By Majordennisbloodnok , 3 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
In my case it was a very specific pattern of behaviour ...
By Sheriff Fatman , 3 hours ago
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RE: Vaillant aroTherm not heating with many faults
@ashp-bobba Yeah I'll give it a go, will check filter...
By Anon67 , 4 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@transparent Perhaps the names at the end of the docume...
By Toodles , 4 hours ago
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RE: Heatpunk Floor plan issues
@jamiejones85 A2A they will design on dynamic heat loss...
By ASHP-BOBBA , 5 hours ago
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RE: Fan unit Making terrible noise HELP!!
can you post a video looking inside, at and through the...
By ASHP-BOBBA , 5 hours ago
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RE: Power outages and storms: A surprisingly good DNO experience
Agreed, which is no more nor less than a customer shoul...
By Majordennisbloodnok , 22 hours ago
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RE: Running from backup generaor in powercut?
@batpred In our case, 3 times each day when the Octopus...
By Toodles , 23 hours ago

