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Aceshigh
@aceshigh
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Joined: Jun 1, 2022
Last seen: Dec 1, 2023
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Topics: 0 / Replies: 14
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RE: Is the Grant controller a thermostat?

@mikefl @mab, if it helps at all, here's today's data on my Grant 17kW model. The defrost cycles are depicted by the cliff edge drops in the flow temp...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Grant Aerona Setback

@shapingstuff Here's the electric consumption Vs heat generation of my Grant 17kW unit - EmonCMS link. I used a emonTX with CT clamps to measure ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Sorting out a Grant Aerona3 Install

I would say you are looking for a controller like pictured in @allyfish 's post here:/p> Or the controller to the right of the picture here:/p> ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Sorting out a Grant Aerona3 Install

The warmup device is usually for the mat type electric underfloor heating, commonly found in bathrooms.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is the Grant controller a thermostat?

On most installations the Grant controller is just used to configure the system and external controls are fitted to demand heating and hot water. ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 17kw Grant Aerona heat pump not performing

It is more efficient in the long run as you want the flow temperature to be as low as possible while keeping the house warm, with the heat pump runnin...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 17kw Grant Aerona heat pump not performing

Was this a zone on the EvoHome system or just had water flowing when one of the zones was calling for heat? If you can get the heat pump running...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: 17kw Grant Aerona heat pump not performing

@sirpatchuk1980 I had EvoHome in my last house, a great (if expensive!) setup that did work on my gas boiler. I would not use it on my heat pump tho...

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

@robl thank you. It's definitely the complete circuit (DHW out and around to the DHW return) - exasperated by the Mixergy technology with their pump o...

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

Sorry for the delay, notifications for this forum go to my spam folder. The installer I used suggested fitting a motorised valve, linked to the same...

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

@webcmg From the pictures on your first post it appears that the DHW outlet and secondary return inlet are piped straight up into your ceiling ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Where to place the hot water cylinder?

@kk_777 don't worry, I hadn't heard about thermosiphoning either until I started looking in to why the tank heat loss was so great. As for the tank ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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