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AllyFish
@allyfish
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Noble Member
Joined: Oct 31, 2022
Last seen: Nov 4, 2025
Profile Activity
Topics: 23 / Replies: 485
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Reply
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...

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

@derek-m that's correct, too small a night time set back, say 1-2degC, on a digital room thermostat may see the ASHP cycling on and off controlled by ...

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

Hi @shapingstuff, there is a recent post on enabling and adjusting Grant Aerona weather compensation. It’s trial and error as every house has a differ...

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

Hi @shapingstuff - you can't set back a Grant ASHP overnight by changing the leaving water temperature setpoint. Ideally, a climate curve offset could...

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

The wireless thermostat could be dual channel, heating and hot water. If there’s no other timer near the cylinder for scheduling hot water then the wi...

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

@bontwoody the item circled is the cylinder thermostat. It displays the cylinder temperature. Turn the dial and the display changes to the set tempera...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Noise/ Planning Expert

Hi @ericdo, thanks for update. You’re sadly in a difficult situation. The LA moving the goal posts part way through is par for course. An acoustic e...

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

@shadowfax good. You have a 4 channel digital programmer, but only one channel, 1, will be used for hot water timing. It's a unit badged up by Grant b...

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

1pm - 2pm daily is a good time 🙂 I have a small 3.6kW solar PV+battery. In summer hot water is free via any morning solar generation stored in the ba...

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

Hi @shadowfax - I’m sure we can help. First, what device controls your hot water timing? Do you have a timer unit like the one on the left here somewh...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New Build - Grant Aerona3 10kW - Questions and observations

@ggw there should be a manual flow setting and indicator gauge on the system pipework. Grant fit one looking like this. It indicates flow in litres/mi...

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

@roamingbull You running on weather compensation? If the house is too cold when it's milder and warmer outside you may need to flatten the WC curve a ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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