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webcmg
@webcmg
Member
Estimable Member
515 kWhs
Joined: Jan 5, 2022
Last seen: Jan 27, 2024
Profile Activity
Topics: 2 / Replies: 103
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Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

@colin thanks, do you have an intermediate heat exchanger (VMZ MWT 150) and buffer tank? I am also interested in your settings for your VMZ AI: Co...

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

@cathoderay This looks more like my usage profile. What's your setup/house size etc? DO you have heat exchanger and buffer tank?

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

@colin thanks, please can you send the same graphs for DHW consumption and yield?

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

@heacol I'd agree if turning the pump down had made any difference at all to the consumption and comfort... but it hasn't.

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

@saz not yet, but suspect it's inevitable given this is a new build and it's not living up to expectations.

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

@colin heatmeisers are currently set to 30 degrees, so effectively dumb. Heat curve now set to 0.4 but this is right on the limit of comfort upstair...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Vaillant Arotherm Plus issues - circulation, efficiency and performance

@saz @stepht83 Did you get yours sorted, we can get our house warm but efficiency is sub optimal...

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

It's in an insulated box inside where the heat pump pipes enter the house. There is a heat exchanger in the box with a pump. I've tried everything p...

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

@colin will come back to you with some more data when I have a few mins to plot the graphs in HA. Just a quick question, what setting is your wilo pum...

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

@colin the room stats are from an independent manufacturer (Heatmeiser). There are basic TRVs on the rads upstairs. They set the day temp to 23 deg a...

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

@colin Insulation has been improved (still more to do), we've had 2 of 3 rads changed to K3s yesterday (last one on back order) and some check valve...

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

@colin Hi Colin looking at the frient monitor. If using with HA will I still need a compatible Zigbee hub? I have loads of hubs (philips hue, tado, am...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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