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dorkypark
@dorkypark
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54 kWhs
Joined: Sep 18, 2024
Last seen: Nov 15, 2024
Profile Activity
Topics: 1 / Replies: 5
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RE: Ecodan high pressure at 3 bar

Yes, you would need to reduce the pressure to the correct value for your system (usually 1 to 1.5 bar when cold). And as @jamespa says, disconne...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Distance from house issue - Samsung 5kW ASHP

The heat loss differs depending on the pipe diameter (and flow temperature, presumably). Here are some of the numbers I could find: 15mm 7.89 W/m22m...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan high pressure at 3 bar

Something similar happened to me once with a gas system boiler. The filling loop hadn't been closed properly and it was pushing up the pressure over t...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Choice of heat pump - Help needed - Vaillant Arotherm versus Samsung versus Logic Air versus Grant Aerona

I guess I'm wrong about the efficiency but the sound power level of the Grant is 65 dB vs 54 dB for the Vaillant and 52 dB for the Logic. More than 10...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Choice of heat pump - Help needed - Vaillant Arotherm versus Samsung versus Logic Air versus Grant Aerona

I'm far from an expert, @dorkypark, but my understanding is that openings like air bricks are only an issue if within 1m of the bottom of an R290 heat...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Choice of heat pump - Help needed - Vaillant Arotherm versus Samsung versus Logic Air versus Grant Aerona
4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 23
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