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Marvinator80
@marvinator80
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Honorable Member
Joined: Nov 29, 2022
Last seen: May 19, 2025
Profile Activity
Topics: 9 / Replies: 186
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RE: Grant Aerona 13KW - can I boost it?

Now it’s at -2 and LWT hanging tough at 37. Big difference. The defrost cycle seems to be for 5 mins every 45 mins and that’s why it’s not getting bac...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Grant Aerona 13KW - can I boost it?

just back from a rare day at the office and checked the temps. OAT 1.0 LWT 52!!!! Return temp 47!!! Energy use zero difference from yeste...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Grant Aerona 13KW - can I boost it?

Yeah it’s the defrost cycle that’s fecking me up for sure. A few parameter adjustments made and going to get it all to a higher base from above zero, ...

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

@mab interesting question.

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

@mikefl thanks very much. 37 going out, 31 coming back. I’ve not long changed up to minimum up from 35 to 40 from so will be interesting to see what...

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

@mikefl thanks Mike. I see. so if I increase 2102 and 2103 slightly I might get a small increase in output on the understanding it will use more el...

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

@mikefl thanks Mike. going through the 2100s now. weather comp is on. 2101 55 degrees 2102 52 degrees 2103 35 degrees 2104 -4 degree...

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

@morgan sorry. Grant Aerona 13KW.

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

Can anyone tell me how I would check that Weather Comp is enabled on my system? I can’t seem to find that out anywhere. I remember when I asked the...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona 13KW - can I boost it?

Right now as well with all the heating on and the house running its regular electricity use. I’m only consuming 2KW per hour. That seems odd. current ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Grant Aerona 13KW - can I boost it?
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 32
Views: 3816
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RE: ASHP decision: Should I or shouldn't I?

One other benefit we have had from changing from oil to ASHP has been noise. The noise of the oil boiler firing up could be heard in our bedroom at ni...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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