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Derek M
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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4405
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RE: Heatmeiser smart controls with ashp

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ECODAN ASHP and Understanding MelCloud reports.

@cornwallsean For maximum efficiency and lowest energy consumption the Leaving Water Temperature (LWT) should be kept as low as possible. To achieve...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Long Cycling and AA behaviour in one day.

@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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Noise/ Planning Expert

I installed our own A2A ASHP and I would deem the outside unit to be quieter the indoor fan coil unit.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Noise/ Planning Expert

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan Long Cycling and AA behaviour in one day.

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Noise/ Planning Expert

@jamespa Just out of interest, what are the rules relating to Air Conditioning units?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ECODAN ASHP and Understanding MelCloud reports.

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Long Cycling and AA behaviour in one day.

@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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona Setback

@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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona Setback

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...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona Setback

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 ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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