Last seen: Oct 31, 2025
In this case, it uses the NASA protocol rather than modbus, but the register addresses are the same as far as I know. This is what it looks like on my...
I spoke to Homely about doing that, but he said that I would need to be a qualified electrician to become an approved installer. I have since installe...
@ashp-bobba Thanks very much for your detailed reply. That is really helpful. In situations where the flow rate can deliver heat at a DT of 5 C or les...
I suppose that might be true at a stretch if you were doing space heating throughout the summer, but who does that? I would dig your heels in until yo...
@ashp-bobba Welcome to the forum. I would be interested to understand the reasoning behind your statements. What was your experimental set up? I would...
Can you explain the mechanism for this effect? Could it just be coincidental rather than causal? System volume may prevent short cycling, but there ar...
With your 2091/2092 settings, the heat pump will only cycle off if your 3rd party thermostat is no longer calling for heat. If your home is warm, t...
Those settings exclude frequent cycling as the cause of poor efficiency. With 2091/2092 set to 'Use(Signal only ON/OFF)', FSV 2093 is inactive, so it ...
@raiph I apologise for my incorrect assumption. A PWM pump should maintain your delta T, so I am not clear why you are experiencing problems with a lo...
@raiph You seem to want a Delta T of 5, but your water pump has a fixed speed / flow rate which is currently 15 l/min. Your heat output is determined ...
@dinhp I will try and upload an audio file as it is difficult to describe how it sounds. The noise level will vary depending on how hard the heat pump...
@dinhp Thanks for the extra info. Your COP of 2.49 for today is not great if OAT is 9C, although it was probably colder overnight. Does this include a...
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
I confess to being intrigued. As @jamespa says, I'm sur...
By Majordennisbloodnok , 12 minutes ago
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RE: Who's your electricity provider and what's your tariff?
@technogeek Yep, the same here. Toodles.
By Toodles , 18 minutes ago
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RE: New Fogstar 15.5kWh upright solution
@transparent They are ready to use. The shortlinks a...
By Batpred , 23 minutes ago
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RE: Renewables & Heat Pumps in the News
Just a couple more thoughts to throw into the mix. &...
By JamesPa , 33 minutes ago
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RE: Maximising Home Automation: Integrating Octopus Energy & More
Thank you and I agree most people can stay clear of net...
By Batpred , 52 minutes ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
@jamespa Yes that post.
By dgclimatecontrol , 60 minutes ago
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RE: Faulty Clivet heat pump out of the box
@steveimpey glad you got it sorted and agreed- being ig...
By benson , 2 hours ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
50l LLH install would have introduced a shedload more a...
By JamesPa , 4 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@agentgeorge it has got 2, the other bleed screw is the...
By AdamK , 14 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
Hi Only joined the forum today and have found this t...
By Pwils , 17 hours ago
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I too felt the podcast was useful but think it could do...
By AndrewJ , 18 hours ago
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@adamk apologies but did not understand what exactly yo...
By Eliuccio , 19 hours ago
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Putting a 30 cm. radio controlled wall clock on Freegle...
By Toodles , 19 hours ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
@nickhorne Unfortunately not. We take the "normal" IOG ...
By HCas , 2 days ago
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RE: Mixture of copper and plastic CH pipework. Will it be ok, or need changing?
In principle yes. Some heat pumps (I think including D...
By JamesPa , 2 days ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
Some of the circuits in my home are not protected by RC...
By Batpred , 2 days ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Aqara sells some inexpensive hubs (usb dongle size) tha...
By Batpred , 2 days ago
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RE: Extend the colder range of the weather compensation curve?
@thebinman In answer to this and personal...
By TechnoGeek , 2 days ago


