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webcmg
@webcmg
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Joined: Jan 5, 2022
Last seen: Aug 24, 2025
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Topics: 3 / Replies: 107
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@mattengineer Interesting, I read the manual and there is a setting to basically tell the vrc 700 to ignore the internal temp from the unit. I guess t...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@derek-m thanks. This is starting to go beyond my technical capability so think I'll need to await the developers heating engineer to investigate, but...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@alec-morrow I wondered this too, a Vaillant rep suggested to me it normally comes down to cost (or value engineering as it is often referred).

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@alex-morrow our UFH zones have a manually set mixer (currently set to 50c - so largely redundant), if these were set to 22c or somewhere in that regi...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

Hi @derek-m, I made the school boy error of not noting down the Kwh usage before changing the settings. I took an energy consumption reading earlier t...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@mike-patrick thanks for the message - how might I check if this is the case?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

@spdtdl just learnt how to tag! Sorry, meant to do so in reply with questions above.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

Just quick message of thanks to everyone for their help so far. Cheers, it's appreciated.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

Done, assume this is the same as heat curve? Changed to 0.6 for now.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

Also what's your target flow temp set to please? Also by 24/7 should I update this in the Time Programmes menu? Currently set to 06.00-22.00. My hea...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: High air source heat pump running costs – Vaillant AroTherm Plus

Thanks, what is the function of the set back temp and cylinder boost offset?

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

Thanks for replying Kev. This is very reassuring. We don't use a great deal of hot water. There are two of us in the house and we normally have a rea...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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