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john.connett
@john-connett
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Joined: Aug 2, 2023
Last seen: Aug 21, 2024
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Topics: 3 / Replies: 17
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RE: Ecodan. How to run this efficiently with zero understanding.

The Grundfoss UPS3 is a smart pump with a number of control modes, including three fixed speeds, proportional pressure and underfloor mode. PWM makes ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

Looks like this may be it: Air to Water Heat Pump Systems Databook Vol. 5.3 R32 Download it as a PDF if you want to be able to search it. The buil...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

What is this large manual of which you speak? I've looked at the Installation Manuals for the FTC5 and FTC6. Both have circuit board illustrations tha...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP insulated pipe under/up through concrete beam & block floor?

The Viessmann branded pipe is 2x40x3.7 with an internal diameter of 32.6mm which is suggested for all of the Vitocal 200-A range (six models from 2.3...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP insulated pipe under/up through concrete beam & block floor?

Common sense is a good starting point but not a full solution. I suspect that a lightweight concrete floor block may lack the structural strength to m...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP insulated pipe under/up through concrete beam & block floor?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP insulated pipe under/up through concrete beam & block floor?

Nominally, 6kW output. Linear distance would be around 4.5m outdoor, 7.5m under house not including bends up and down. Viessmann branded quattro con...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
ASHP insulated pipe under/up through concrete beam & block floor?
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 11
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