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AllyFish
@allyfish
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Noble Member
Joined: Oct 31, 2022
Last seen: Sep 11, 2025
Profile Activity
Topics: 23 / Replies: 472
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Reply
RE: Is the Grant controller a thermostat?

Hi @dodgyknee, I hope to have more info soon. I have some basic info direct from Grant, but under condition it is embargoed until product launch. (Ear...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Cosy Octopus and heat pump settings

Hold fire until Feb if you can Jo as you'll get much lower VAT on batteries added to solar PV systems from then. Before then you'll have to pay full 2...

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

@mikefl - hello! I believe Homely's Grant/Chofu controller will have a true set-back function where the weather compensation curve LWT can be offset b...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Electricity price predictions

This is familiar. All utility company customer service call centre flow charts relating to smart meters were a Friday afternoon job. All end with 'cha...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Installation queries for Grant Aerona

It's a two wire low voltage DC device powered from the ASHP. Grant tend to hide them away with the tank and use the primary side piping route to run t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installation queries for Grant Aerona

@jwilliams89 Likely under ECO4 the installers will fit the Grant Chofu controller, which comes as standard with the Aerona. The smart controller hasn'...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pumps and noise

Done @editor, please confirm receipt. Average 46dB(A) SPL @ 3.5m for Grant Aerona3 10kW

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installation queries for Grant Aerona

Highly likely a Grant scheme installed under ECO4 will have a LLH and secondary circulating pump. They are not the most efficient system installation,...

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

Hi, some info on Grant website on user level parameter adjustment. Not had a look in detail, Grant are slowing realising that the installer manual is ...

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

@roamingbull hi there, as a comparison, I have around 155m2 of heated space, and the 10kW Aerona. I was hitting 50kWh per day last weekend in the exce...

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

WC works completely autonomously, it doesn't reference room temperature. Parameter 21 05 is the maximum outdoor air temperature at which, with WC enab...

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

In theory, yes. You may need to adjust the WC parameters, or the flow rate to certain emitters to fine tune it. Every house and heating system is diff...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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