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Last seen: Sep 5, 2026
This might be useful for @bart From/p> "Warning: It is vital that the system does not cycle on and off repeatedly as this will lead to excessive w...
Hi @m1kegibson Maybe a long shot but is the controller in holiday mode? There would be a suitcase symbol towards to top left of the screen if it is...
@carpenterstation When changing settings in the service menu you often need to shutdown the system first, so if it's running it'll ask you if it's...
@carpenterstation If you don't want to use summer mode then you could slide the zone set temperature sliders to their minimums in MELCloud to turn o...
@gary The FTC6 and FTC7 both have summer mode.
Mitsubishi have a setting called summer mode for this. It's in the service menu under Operational Settings. There are settings for switching summer mo...
Given that in an area there will be ASHPs from various manufacturer with various defrost algorithms and each with a different heating load, the likeli...
@heatgeek The flow rate isnt controlled by Mitsubishi, the installers said 16-20 l/min was fine. Experimenting I've found 16 l/min to be a good ...
@heatgeek The switches to the flow rate were manual and just experiments, the system should work fine at 15-16 l/min if not for the condensate is...
@heatgeek I'm going to try to answer all your questions, just maybe not in the order you asked them - I think it'll make more sense this way. Firs...
@heatgeek Happy to answer questions about our 8kW Mitsubishi. Yes, it's able to run at ~2.0kW output for extend periods with a dT of ~2C and a COP ...
@heatgeek @jamespa I hope this may help with the modulation discussion. Comparing the Hitachi 2.5 HP to the Mitsubishi R290 6kW (just one compresso...
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 6 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 11 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 16 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 2 days ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 4 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 5 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago
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