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Barry the bear
@barry-the-bear
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Joined: Oct 14, 2024
Last seen: Oct 18, 2024
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Topics: 1 / Replies: 3
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RE: Ecodan thoughts please: QUHZ-W40VA takes longer than I would like to revert back to heat mode following a DHW cycle

I don't know if you are right or not!. I am sure though that the UFH doesn't receive any hot water until QUHZ sends it and UFH pump, housed in the pac...

9 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan thoughts please: QUHZ-W40VA takes longer than I would like to revert back to heat mode following a DHW cycle

The house isn't cooling while for heat mode - the fabric of the house and the MVHR and so on ensures that doesn't happen, but that doesn't mean it isn...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan thoughts please: QUHZ-W40VA takes longer than I would like to revert back to heat mode following a DHW cycle

Thank you for your welcome and reply. You are right that the QUHZ use CO2 (R744) refrigerant. CO2 does have special properties and may operate more ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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Ecodan thoughts please: QUHZ-W40VA takes longer than I would like to revert back to heat mode following a DHW cycle
9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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