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MikeFl
MikeFl
@mikefl
Member
Reputable Member
Joined: Apr 17, 2023
Last seen: Aug 28, 2025
Profile Activity
Topics: 1 / Replies: 118
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RE: Grant Aerona3 - Home Assistant control via Modbus

@grantmethestrength With respect to weather forecasts, I used to have my "DHW hour" fixed at 3-4pm, for obvious reasons, but have changed it to look a...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant ASHP not reaching target temperatures

If it was working okay last winter, and not this, then implies something in the set-up has changed, or something is broken (but if that was the case I...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant/Chofu fault codes

Sorry, no. My Grant has only died once and that was me causing the RCBO to trip. If the fault reset didn't work (and assume you also tried the all-pow...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona3 with Octopus Cosy tariff

@grantmethestrength One thing I will say in praise of the EPH controllers - I've had my HP for almost 2 years now, and still on the original set of ba...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Not a good January? My heat pump used 840 KWh of electricity

Replying to the OP: Jan 2024 = 1034 kWh Jan 2025 = 1185 kWh which is around the 15% more I'd expect given the colder weather. I have a dormer ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Real world connection to a heat pump over modbus

@uk_pete_2000 Hi - I've wired up my Grant to get information over modbus for monitoring what's going on (and to eventually provide my own control ... ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Shelly energy meter

I think all Shelly devices work the same - by default they'll be broadcasting a WiFi access point (AP) and you can connect your phone to that AP, and ...

8 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Advice please on optimising Grant Aerona R32 17 kW

Hello - to cover my understanding of the Grant (mine's 10kW but the same controls I assume): 1. For delta T, the Grant instructions themselves are n...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

@derek-m The human race is screwed if ever "turning it off then turning it back on again" stops working 😀

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Legionnaires' Disease & Home Hot Water: Understanding Risks and Prevention

@transparent Just read through the Equinox presentation, which does mention that any impact must not affect end-user safety, which concerns you've rai...

1 year ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Do you think that installing an air source heat pump has increased the value of your property?

At the moment I suspect not, as buyers might be wary of "new technology"; in 10 years it might be more accepted (any new houses being built near me in...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Legionnaires' Disease & Home Hot Water: Understanding Risks and Prevention

@transparent I believe D Trump had a cunning plan to fight a recent pandemic using fluorescent tubes 😀 My take is I run my anti-Legione...

1 year ago
Forum
Domestic Hot Water & Cylinders
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