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AllyFish
@allyfish
Contributor
Prominent Member
Joined: Oct 31, 2022
Last seen: Jun 13, 2026
Topics: 24 / Replies: 495
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RE: Is the Grant controller a thermostat?

@roamingbull or disable weather compensation for a short period and revert to constant higher flow temperature. My 10kW Aerona is defrosting every 45 ...

3 years ago
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RE: Electricity price predictions

Welcome to the Cosy corner @Toodles. We pay an average of 20.4p/kWh including VAT & standing charge. 88% of our electricity import is at the low r...

3 years ago
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RE: Pleurococcus on my fins

There are specialist cleaning solutions for heat exchanger fin coils. I would recommend you have the heat exchanger cleaned as part of a professional ...

3 years ago
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Cosy Octopus compared to standard flex rate tariff

Hi all, crunching year end numbers. I'm on 'Cosy Octopus' 3 tier tariff, and in the winter heating season I schedule charge my 13kW of solar PV batter...

3 years ago
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RE: Is the Grant controller a thermostat?

Little spread sheet to play with here , you can change your 2102 max LWT and 2103 min LWT parameter settings in this and see what it does. It shows ...

3 years ago
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RE: Is the Grant controller a thermostat?

Yup, 2102 is the main parameter you need to adjust, if you find the house not keeping temperature as the outdoor temperature lowers, then raise 2102 b...

3 years ago
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RE: Is the Grant controller a thermostat?

(hope you don't me chiming in here @derek-m as a fellow Grant owner) @roamingbull, check 2100 is set to 1, and as a default I would set 2101 to 45degC...

3 years ago
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RE: New System through ECO 4

@mikefl this is really informative, and echoes many of the experiences of those of us who have had Grant ASHPs installed. So you're yet another Grant ...

3 years ago
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RE: Grant Aerona Setback

Link to weather compensation adjustment for Grant Aerona./p>

3 years ago
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RE: Sorting out a Grant Aerona3 Install

@bontwoody well done in helping a vulnerable person out. What a monumentally stupid controller installation location. Do you know who the installer wa...

3 years ago
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RE: Noise/ Planning Expert

@jamespa it’s madness isn’t it? My neighbour’s oil boiler flue is particularly noisy with a pure tone aspect. It’s the dominant noise source when stoo...

3 years ago
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RE: Grant Aerona Setback

@cathoderay the data is my daily electricity consumption, you'll just have to trust me on that. Tried keeping ASHP on overnight vs switching off overn...

3 years ago
Page 23 / 44
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