Last seen: Sep 25, 2025
Perhaps try plotting the TF Module Temperature over time, and with other variables, to see if any pattern emerges? Also worth having a look at the man...
@cashback - impressive work. Time will tell whether you end up with a warm feeling on the inside or a red face on the outside ;-). One thing I am p...
I have been having another crack at my COP calcs, given that some of the trailing 60 minute values look suspiciously high at over 4 and sometimes even...
Ah, that makes it all clear. Thanks very much. I thought you had to send a write request before each read request, which did seem odd, but a one time ...
But why not go for a generic approach, that can be adapted where necessary for manufacturer quirks and irritations? As long as you have a physical mod...
@derek-m - thanks, brilliant clear explanation. Especially as I still have an analogue CRT TV! Looks right and works well in an old leaky listed build...
Not so long ago a likened the hardware and RS-485 to the Morse keypads and telegraph wires in an old telegraph system and modbus to the Morse code sen...
@transparent - it's probably just another case of bad manual language. I thought modbus 'functions' were used to tell it what to do eg 03 means 'read ...
This is why I am now trying to be as generic as possible in what I do, the idea is to have a generic approach that can be used either as it is or with...
This is rather too cryptic for me, how, for example, would I 'solve the "sample and hold" behaviour of the heat pump interface'? I know you are replyi...
I am pretty sure this is the company I had to fire to get my heat pump installed by another installer. They were the LA grant peoples' 'preferred inst...
@filipe - it does sound like an odd design/system. 12kW heat loss, 22 rads, that's give or take 500W on average output for each rad which even at ASHP...
Latest Posts
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RE: Do I just go with the lowest quote for my heat pump?
@jancold Good afternoon. So I have had a conversation w...
By Terry1812 , 15 minutes ago
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RE: Clivet ASHPs and weather compensation
It sounds like weather comp may not be activated. Give ...
By Simon Wardle , 1 hour ago
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RE: Say hello and introduce yourself
8kW is still less than an electric shower,but drawing t...
By Transparent , 2 hours ago
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RE: Which thermostat should I get (or do I need one?)
OK I've thought some more about this. I think you have...
By JamesPa , 4 hours ago
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RE: Help me keep the faith with my air source heat pump installation
I just looked at mine. My flexis (which run horizontal...
By JamesPa , 4 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Manufacturer: Vaillant Model: Arotherm Plus 7kW Typ...
By MatWin , 14 hours ago
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
We have a lot of work ahead to get this done properly. ...
By Mars , 15 hours ago
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Samsung Gen 6 - Schedules not working
I think I may have done something silly, but havent bee...
By bontwoody , 19 hours ago
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RE: DNO export limit problems.
Ask DNO if its a load balancing on your phase of the su...
By AgentGeorge , 19 hours ago
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@papahuhu Sounds as though you need to speak to your in...
By Toodles , 21 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Signed.
By Morgan , 22 hours ago
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I ‘did the math’ for Nov. to the end of April to be on ...
By Toodles , 22 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@tasos automations on Home Assistant so if there is a p...
By benson , 24 hours ago
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RE: Sizing - Save me from my headache
Mitsi 8kW has a 6kW variable and 2kW fixed compressor s...
By JamesPa , 2 days ago
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@drei your proposed radiator design looks inadequate to...
By GrahamF , 2 days ago
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?
Actually, I think the issue is the different rate of he...
By AndrewJ , 2 days ago
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RE: 5 Star Service from Havenwise
That's why homes are spread across the three phases. ...
By Dan_Grey , 2 days ago
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
@editor like @jamespa, I had a list of test questions: ...
By GrahamF , 2 days ago
