Last seen: Dec 24, 2024
@david999 I haven't seen glycol in a system for about 2 years if I'm honest. Anti freeze valves all the way for me. Glycol is horrible stuff that make...
@david999 the student will become the master 😀
@david999 I was trying to be lenient on the installers but that's taking the "biscuit". Good luck and post how you get on 👍
@david999 haha atleast the freezing was resolved. Isolation valves around the 3 port would be nice as long as they are full bore (full flow) althoug...
@david999 Hi David, that all seems fairly reasonable, and if Samsung have signed off on it and you have that in writing then great. It is alarmingly c...
@david999 That pump is a very small 6m head pump, I think at your target of 45lpm that pump can only produce something like 1.8m head. The pressure...
@david999 If you had 36-40lpm I would accept as you know it would atleast be able to supply enough heat for your particular property, with only being...
@david999 11.19kw heat loss means that you need a minimum of around 35-36l/m to meet the heat load at the design temperature, if you are only getting ...
@david999 Hi David, sorry I'm not quite sure what you mean? Heat pump systems can go into 100's of kw, even megawatt systems. If your heat loss is i...
@david999 if it's an MCS registered install you must be given a copy of the heat loss calculations which should be your starting point. 29lpm is rou...
@david999 out of interest what was the heatloss figure for the property? 46lpm is correct for a 16kw heatload, however the Samsung can only output a...
@toodles You have 3 settings on the PWM settings in the MMI controller. You can set it to: UFH which is slow response, adjustable DT Fan convect...
Latest Posts
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RE: Air Source Heat Pump - Side Alley Suitability
@jamespa I used an assumed indoor temperature of 18C. I...
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That’s interesting, but obviously concerning also…. Do ...
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RE: In the middle of an ASHP installation - a few questions (and issues)
Thank you @robs - that very useful data. The issue wa...
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RE: The Rise and Fall of Europe’s Most Generous Green Subsidy
@editor Attached images of external insulation. Think...
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
@trebor12345 The Auto function is supposed to adapt au...
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RE: The Great British Heat Pump Quiz
@allyfish thanks for the feedback and glad it was fun! ...
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RE: help sizing rads based on room by room heat loss
If its 1988W at DT 50, which is how most radiators are ...
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RE: Career change – entering the world of heating and heat pumps
@editor Mars, thank you. That's along the routes I was ...
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@editor thanks Mars, it's a rare occasion I'm looking f...
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RE: Efficiency Concerns on newly installed Mitsubishi Ecodan 8.5kW
@ashp-bobba and @jamespa - thank you both for all your ...
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Win one of five "Heat Pumps 101" Courses
Heat pumps are gaining traction in the UK, but between ...
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RE: Agile: average import cost vs other tariffs?
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RE: Is this normal? Click of the DHW returning to space heating
@grantmethestrength Oh sorry to hear that, there should...
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@ashp-bobba TBH the ladies are rather disorganised, so ...
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RE: Solar Power Output – Let’s Compare Generation Figures
And for those of us without an automatic irrigation sys...
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Logically, the lower frequency = more gentle, yes, but ...
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RE: Ideal Logic ASHP - change from 55°C to 35°C Heating?
Good point. I’ll keep my eye on the manifold temperatur...
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RE: How hard and expensive would it be to change panel and add battery?
@transparent It is a setting that Octopus make via the ...
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