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soniks
@soniks
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Estimable Member
Joined: Dec 11, 2022
Last seen: Mar 14, 2024
Profile Activity
Topics: 2 / Replies: 68
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Reply
RE: Finding water leaks

I would contact your home insurance company they would normally cover this with their track and track service I would have thought. With 400 ltrs a d...

3 years ago
Forum
DIY
Reply
RE: 17kw Grant Aerona heat pump not performing

@derek-m The original heat loss had a design temperature of 50c based on -2.2c external temp and 21c desired internal temp

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

From the heat loss survey it looks like upstairs has a heat loss of 5.69KW. I've also been told that some heat loss calculations are overly conservat...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

@william1066 Grant engineer said the flow rate would be lower with DHW because it's heating to a higher temperature unlike the heating circuit

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

Ok thanks for this I think it's becoming clearer to me what needs to be done from all of your suggestions. Maybe this is going to be a bigger job tha...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

@heacol thanks for all your responses. The problem I have is when the Grant engineer came he disconnected the HP from the system and connected his fl...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

So the recommendations were coming from a heat geek installer who I would have expected to know about system design and his suggestion to use 35mm was...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

Quick update - I had an heating engineer take a visit to our place and has suggested the following : - Change the 28mm primary heat pump piping to 3...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

This is what I found behind the reason for installing a combined volumiser/low loss header -

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

@shapingstuff a secondary circulating pump will reduce the temp in your cylinder quite quickly and will be expensive to run if it's on all the time. ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

@bretix It was actually part of the RHI scheme so I got a rebate back for installing the metering and monitoring package - a bit of a no brainer for m...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 17kw Grant Aerona heat pump not performing

@allyfish Interesting would be a good option as a backup should the ASHP were to fail and we needed at least some minimal heating in the colder months

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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