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Drew Pa
@drew-pa
Member
Estimable Member
Joined: Apr 7, 2022
Last seen: Mar 17, 2025
Profile Activity
Topics: 8 / Replies: 65
AllTopicsReplies
Reply
RE: Vaillant system tweaking.

Hello again all, So our system had been running for a few weeks as described above. The other morning I heard the unit running for a very long tim...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant system tweaking.

Hi Andy, I know my controller shows two different curves. As I mention above we have UFH downstairs and Rads upstairs. Couldn't tell you how it ad...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant system tweaking.

Hi Alec, Thanks for the reply. Sorry, everything is Vaillant apart from the UFH central unit, and the room stats down stairs. Slowly getting th...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Vaillant system tweaking.
4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 7
Views: 6471
Topic
Vaillant control of UFH mixing valve
4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 0
Views: 1226
Reply
RE: New Valiant ASHP system in NE Scotland

@saz Ill give them a bell and see what they say. In the mean time it has been changed, lets see what happens. On another forum it was mentioned that...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Valiant ASHP system in NE Scotland

Happy Sunday all, Quick update to our setup. I have replaced all the 18 year old Drayton RTS 1 UFH controllers for Neostat V2 units. They not o...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Valiant ASHP system in NE Scotland

@transparent Hi there. We are lucky are in some ways where we live, we have unusually high amounts of good light here which will definitely help w...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Valiant ASHP system in NE Scotland

@saz It is an aroTHERM plus according to the label. VWL 75/6 A 230V S2

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Valiant ASHP system in NE Scotland

hi @saz We do have one of these When I mention master unit(not sure in the terminology is correct) but we have a VR720F This is what I mean....

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Valiant ASHP system in NE Scotland

Hi @saz, There are indeed two units. The downstairs one is the master that does all the controlling, the second unit is a slave that allows us to c...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Valiant ASHP system in NE Scotland

Hi there, The unit is a 7kW unit, fitted on the north facing rear of the house. I have started tweaking already. Reduced the curve from 0.8 downst...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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