Last seen: Sep 19, 2024
To be able to help resolve your problem could you please provide as much information about your system. ASHP make and model. How the heat pump con...
@cornwallsean For maximum efficiency and lowest energy consumption the Leaving Water Temperature (LWT) should be kept as low as possible. To achieve...
@kev-m You are probably correct. Another explanation could be that because the controller has been in DHW mode for a period of time, it may not ha...
I installed our own A2A ASHP and I would deem the outside unit to be quieter the indoor fan coil unit.
My understanding is that an MCS accredited installer is required for A2W to be able to claim the BUS grant. I believe that you can install a mono syst...
When the LWT increased after the DHW cycle, was this due to the fact that the LWT was higher to produce the hot water, so when the changeover occurred...
@jamespa Just out of interest, what are the rules relating to Air Conditioning units?
Check your water pump speed. Your installer would not appear to be the most knowledgeable about heat pumps, or he would have advised you that heat p...
@sunandair I would say that the 11:00 and 15:00 charts are at a flow rate of 14 lpm, since a higher flow rate would normally reduce the DT. Of cours...
@newhouse87 Your efforts to conserve energy are to be commended. At the moment you are using a method I suggested quite some time ago, and use mys...
I think that most people would agree that cycling and setback are indeed different. When cycling, if the OAT reduces, the degree of cycling reduces or...
How high does the IAT go during the heating period? It would appear that you have a well insulated home, that probably has a large thermal mass, so ...
Latest Posts
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RE: Big Changes Coming to Our Heat Pump System
I am quite evangelical about my ASHP, even though the i...
By Grantmethestrength , 4 minutes ago
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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 , 43 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 , 3 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 , 7 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 , 10 hours ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 10 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
