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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: Do setbacks save energy without compromising comfort?

@kev-m Hi Kev, Once again excellent data. Thank you. I have recently developed a WC version of the modeling tool for the 14kW Ecodan, so it woul...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Tell us about your Solar (PV) setup

I believe the changes have already been implemented, and I have noticed that Agile appears less volatile recently. By the way. There is nothing wron...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Tell us about your Solar (PV) setup

@toodles I remember reading a newspaper article some time ago that stated that Ofgem was making changes to the wholesale electricity pricing arrange...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Air source heat pump roll call

The standard way of denoting the thermal energy output capacity of radiators is at a Delta T of 50C.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump roll call

@squarepeg77 Welcome to the forum. The value given for 'Total Output of Heat Emitters: 7.4kW' seems rather low. Is this at the standard 50C Delta ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@cathoderay I think that I may have said so at the time, but if not, "I'm sorry that you have a system designed by freedom heat pumps". How low di...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

Not all heat pumps are midea's, and not all systems have primary and secondary water pumps. Even on systems that do have both water pumps, I cannot se...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

If your intention is to use your room thermostat as a high temperature limit, then your water pump will need to run when your heat pump is running. ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung 12kW Gen 6 ASHP struggling to heat DHW. Advice needed please.

@mike-h So your heat pump works fine at the moment when operating in CH mode, but has started to struggle when in DHW mode. I would suggest that y...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung 12kW Gen 6 ASHP struggling to heat DHW. Advice needed please.

The fact that the heat pump is stopping would possibly indicate a problem with the heat pump itself. It is a pity you don't have the RWT on the chart....

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

@cathoderay No and yes, compressor frequency denotes how fast the compressor is running. How hard it is working is dependent upon the pressure withi...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

Changing 2104 from 0C to -5C will automatically reduce the required LWT. I presume when you say it was "slow and steady", this was during milder wea...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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