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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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Reply
RE: Ecodan Long Cycling and AA behaviour in one day.

@sunandair Yes, I do tend to repeat myself, one of the pleasures of growing older. The point that I was trying to make is not to jump to conclusio...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heatmeiser smart controls with ashp

By all means jump in Drew, particularly since you have a similar system and possibly the same problems.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heatmeiser smart controls with ashp

The Vaillant controller actually controls the heat pump, the heatmiser thermostats just open the solenoid valves and start and stop the heat pump, ass...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heatmeiser smart controls with ashp

Okay, if your home is getting too warm then you could try selecting a lower curve. If you make an adjustment remember that the system will take quit...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heatmeiser smart controls with ashp

That's fine, the red indicator shows the water flow rate, which should have been balanced the the heat demand of each particular room. With referenc...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heatmeiser smart controls with ashp

@emmajg Do you know the settings of the weather compensation curve on the Vaillant controller? The following video may help.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heatmeiser smart controls with ashp

Thanks Emma, So you have a small system with 6 UFH loops, two of which are permanently forced on by the red caps on the valves. When you operate t...

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

@sunandair One has to be careful when interpreting the data obtained, since the increase in measured IAT may not actually be due to the heating syst...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heatmeiser smart controls with ashp

@emmajg Can you provide a photo of the unit(s) to which the wires from the solenoids are connected. How many water pumps do you have on your syste...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heatmeiser smart controls with ashp

Can you please provide closeup photo's of your heatmiser controllers and your heat pump controller.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant AroTherm controls issue

I don't know if this applies to Vaillant controllers, but I believe with some heat pumps it is necessary to switch the controller off, and then back o...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heatmeiser smart controls with ashp

It is thought to be the case that Heatmisers and heat pumps don't play together very well, but don't panic all is not lost. How familiar are you wit...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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