Last seen: Jun 15, 2025
Most batteries are what is known as DC-coupled, which means that they use the solar inverter to convert their DC voltage to AC used in your house. So ...
Cosy has the 3 hours of peak rate and the day rate is appropriately 1.5p per hour more - which is appropriately equivalent to another hour and a half ...
142L is not very big but if you don't use much DHW then it's worth seeing if only one DHW reheat a day works. Do you have a battery with your solar...
We also have a FTC7 and a newer R290 Mitsubishi heat pump. There are prohibits for heating and DHW, to schedule the DHW you want to prohibit the DHW f...
I would suggest: Mag filter last on return so it filters out stuff before it gets to the outside unit. Do you also have a strainer in you system? ...
I don't know if the FTC6 and FTC7 are different in this respect but the FTC7 rounds up and down as you would expect (no odd .38 and .53 rounding point...
@westkent Almost, the wireless controller just becomes a limiter, if the internal temperature goes 1C above the set temperature then the heat pump w...
When on WC the WC curve controls the heating based on the outside temperature. You can use schedules for DHW (hot water) though. What are you trying t...
A few Mitsubishi figures from their data book for comparison... 5kW output at 12C OAT: 5kW unit is COP of 6.15 11.2kW unit is COP of 5.9 ...
To quantify the greater pressure drop of your corrugated pipe you could try using an online calculator like For example, at 20 l/min a 25.4mm corrug...
Yes, your figures correlate well with your heat pump having a minimum output of about 3kW at these outside temperatures. Have you tried your heat pump...
You have clearly found your system's sweet spot! Yes, radiator based systems are likely to be limited in stable low flow temperatures. But larg...
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@bart Best of luck moving forward, I look forward to he...
By ASHP-BOBBA , 5 hours ago
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RE: Renewables & Heat Pumps in the News
By Morgan , 6 hours ago
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RE: DHW SET UP with Samsung gen 5
Hey I totally appreciate your help and suggestions , so...
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RE: Ecodan EMP2 kit - is it any good?
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RE: Flow Rate & Low Loss Headers
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By JamesPa , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
If it's running on WC then at night it's quite likely t...
By JamesPa , 1 day ago
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RE: Jokes and fun posts about heat pumps and renewables
@majordennisbloodnok That’s OK as long as the ‘Terminol...
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RE: RDSAP10 effect on existing heat pump EPC rating?
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RE: To relocate or add extra PV panels..advice required
The situation you are currently experiencing is represe...
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RE: I don't need any heating in the summer. How do I turn my Samsung heat pump off?
SmartThings indeed allows remote control over the heat ...
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RE: Remaining hot water/hot water flow meter
@lakey Hi, I had a quick read through and wanted to see...
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RE: I worry I've messed my Samsung settings up somehow
@ecobaker I missed this, sorry So 3031 was set to...
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RE: Forum updates, announcements & issues
@old_scientist thank you, and thank you to @Morgan for ...
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RE: Say hello and introduce yourself
I am a UK based product manager for an energy storage s...
By shawnlee , 3 days ago
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RE: Thinking of ripping our my IVT Greenline HT Plus C model and replacing with a gas boiler.
That's great and in principle I wouldn't disagree, but ...
By JamesPa , 4 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Mitsubishi 8.5 kW Ecodan Standalone (PUZ-WM85VAA)
By Nell , 4 days ago
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