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JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Jul 21, 2025
Topics: 16 / Replies: 2631
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

All noted. it was @bobtskutter that finally diagnosed the problem (which related to mismatch of pump speed causing throttling at the system separati...

4 months ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

I have yet to hear of a system that actually did work efficiently post installer commission. In fact I cant see how it can - no installer is going to...

4 months ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

er, you cant have too much emitter capacity! You can have an imbalance where some parts of the house heat more than others but never too much. I...

4 months ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@gary @davidnolan22 I dont wish to go back over material you may already have covered, but its perhaps worth observing that another forum member ...

4 months ago
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RE: Smart TRV experiences (ideally integrating with Midea heat pump)

Many lsvs go from full off to full on in a fraction of a turn, they are basically isolation valves. There is a whole section on this (comparing diffe...

4 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

Nope. The problem is this: Most heat pumps have a modulation range of ~3:1. So if the heat pump is correctly sized at -2, with a house heat loss pr...

4 months ago
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RE: Ecodan Auto Adapt Questions

It wasnt me that mentioned this, was someone else, I was only repeating what appeared to be a very plausible statement. Yup. Well at least y...

4 months ago
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