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Judith
@judith
Member
Honorable Member
2549 kWhs
Joined: Nov 28, 2023
Last seen: Mar 9, 2025
Topics: 2 / Replies: 296
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RE: Totally bewildered with my ECO4 heat pump installation

You have every right to have your home left in a reasonable state. Everyone’s definition of reasonable will vary but don’t let the b*st*rds you down....

2 months ago
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RE: Vaillant Arotherm ASHP gets noisier when it gets colder outside

nevertheless it had just finished a de-icing cycle and was in the following 3.2kW power draw peak, which is the same amplitude that it generated a few...

2 months ago
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RE: Vaillant Arotherm ASHP gets noisier when it gets colder outside

I’ve ‘invested’ a whole £3.99 for an audio spectrum analyser app. I’ve not captured all the apps features but this was our 7kW Vaillant running at 3.2...

2 months ago
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RE: Totally bewildered with my ECO4 heat pump installation

@dwynwen sadly you need to give them (yet another) chance to fix the installation or you will be prevented from from any further redress. Do you hav...

2 months ago
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RE: Grant Aerona3 R32 HPIDI17 performance in low temperatures

@davidmo6 When we had the gas boiler we used to set the house to 15C and it took a day to warm up on the last day of our holiday. Now with the heat pu...

2 months ago
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RE: Vaillant Arotherm ASHP gets noisier when it gets colder outside

At last caught the ashp on its peak after de-icing. Drawing 3.2kW electrical power (about max seen) for a few minutes, the noise level was normal, no...

2 months ago
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RE: Heat Pump starting current

The sampling rate of 5mins is not quite fast enough to see all the features. The ‘off’ period is ~7mins out of ~40. A real monitoring system would be ...

2 months ago
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RE: Heat Pump starting current

I’m using different systems to look at similar information but I’m afraid lwt is not one of them. On 3rd Jan we had mostly -ve temp rising to ~0...

2 months ago
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RE: Heat Pump starting current

@cathoderay & @transparent I have attempted to measure start up current spikes but don’t have high speed monitor devices. The monitor on our batte...

2 months ago
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RE: Vaillant Arotherm ASHP gets noisier when it gets colder outside

Another thread about noise on Vaillant when running on max in posts 56 onwards. Several good ideas from the Urban Plumber

2 months ago
Reply
RE: Vaillant Arotherm ASHP gets noisier when it gets colder outside

Googling noise with ashps and found this technical document/p> it identifies several noise related issues

2 months ago
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