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HughF
@hughf
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Noble Member
Joined: May 2, 2022
Last seen: Jun 27, 2025
Profile Activity
Topics: 5 / Replies: 484
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RE: Removing a Low Loss Header from Samsung Gen6 System

Remove the llh and the secondary pump, wire the pwm line of the primary pump up to the Samsung controller…. That’s pretty much all there is to it.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@derek-m The carel controller in my ASHP allows me to specify three pump modes: Normal, Demand, Continuous... Normal - pump shuts off when setpoint...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heating and Hot Water Issues with Thermal Store/Heat Pump

Heat pumps and thermal stores are bad news, really really bad news.... Who designed this system?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Acond PRO-R Heat Pump

Indeed.... And I wasn't too happy that I couldn't see the product before buying it, hence why I went with Cool Energy. I saw them at Installer show an...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Acond PRO-R Heat Pump

Quote attached…

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Acond PRO-R Heat Pump

I asked Acond for a quote back at the start of my ashp journey… I nearly fell off my chair when the email came in…

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why are heat pumps so hated?

@elton the issue is purely energy costs…. When people say ‘my heat pump doesn’t work’ what they really mean is ‘it costs more than the gas boiler did’...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why are heat pumps so hated?

None of this would matter if electricity wasn’t 3 times the price of gas. Rebalance the energy prices and you can get away with sub optimal installs w...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Why are heat pumps so hated?

Alec hit the nail on the head right there I think. Most heat pump controls are a bit pants, or a cryptic to use (that’s why GH is always championing t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Aerotherm plus does not reduce flow rate despite low delta T

The secondary pump won’t be pwm controlled, I assume? Why do you have a buffer and secondary pump anyway?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma ASHP help needed – Radiators are not heating up

That’s a daikin hybrid system which uses an intergas boiler as the gas fired bit. looks like it’s firing at 31 degrees flow temp, which is probably ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Take-aways from the Installer Show

25-27th June at the NEC.

2 years ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
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