Last seen: Sep 19, 2024
Is the actual temperature 8C in your plant room? If your system is operating in WC mode, then the normal display should show a large '0' zero, or if a...
Welcome to the forum. The App appears to be showing a room temperature of 8C, where is your controller located? Is your system operating in fixed Le...
It is my understanding that many of the heat pumps vary the compressor speed to control the LWT, and vary the water pump speed to produce the desired ...
If my understanding is correct, it is the buying ahead that is keeping both gas and electricity prices high, for consumers at the moment. I do believe...
The heat energy output of an ASHP is very much dictated by the size of the compressor, and the minimum pressure and temperature of the refrigerant gas...
I would suggest that the only TRV's that should be used are ones in bedrooms or unused rooms, all others should be fully open all the time. For best...
Is your heat pump stopping and starting and what is the indoor temperature?
The PV side should also be slightly more efficient if kept cooler.
It is difficult to state definitively what is happening within your system, since I don't know how it is constructed. Is your heat pump actually still...
By increasing the LWT, it means that the heat emitters (UFH loops) are absorbing more heat energy, which in turn increases the DeltaT and puts more lo...
What happens to the LWT and RWT measurements during the boost period?
Yes, if the compressor and water pump have Variable Frequency Drives (VFD) controlling their motor speeds. It actually varies the frequency of the ele...
Latest Posts
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RE: Testing new controls/monitoring for Midea Clone ASHP
Thanks, that might explain the when, and possibly the w...
By cathodeRay , 4 minutes ago
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RE: Big Changes Coming to Our Heat Pump System
We could I'm sure (mine for example, nothing special at...
By JamesPa , 30 minutes ago
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RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 2 hours ago
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RE: MCS certificate SCOP vs real-world performance
MCS:3.65 Reported by Vaillant: 3.96 (heating only); 3....
By JamesPa , 4 hours ago
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RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 6 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Water pump will certainly make a hum (which could conce...
By JamesPa , 9 hours ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 9 hours ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 2 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 2 days ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 2 days ago
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 3 days ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 3 days ago
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RE: Electricity price predictions
Those of you on Agile will do well tomorrow; there are ...
By Toodles , 3 days ago
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RE: Who’s Caved and Switched the Heating On Already?
We've been running our Ecodan system, installed in June...
By Sheriff Fatman , 3 days ago
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Ok. Two schools of thought. The first is to run the ...
By JamesPa , 4 days ago
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@drei Willing as I am to help, I don't think I'm yet ...
By JamesPa , 4 days ago
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Selling 5 year old ASHP & Gas Combi Boiler - £590
Selling a 5-year-old Daikin Altherma Hybrid Air Source ...
By Paul G , 4 days ago
