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Benseb
@benseb
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Joined: Aug 20, 2022
Last seen: Mar 3, 2025
Profile Activity
Topics: 15 / Replies: 94
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Reply
RE: Heat pump delta T too low - 2c

Thats interesting about the Honeywell valves. Our flow rate is below what it should be due to them using 28mm plastic instead of 35mm copper so we’re ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump delta T too low - 2c

Unfortunately at work we had Husky heat pumps installed (x3) which were awful. We’d often come in on a Monday morning and it would have thrown a fault...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What's your current daily damage?

@editor no kept the buffer

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

Thanks Derek. Yes I’d been working by locking them down and gradually opening up until they were roughly equally warm but I’ll try the other way aroun...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

Agreed I definitely don’t think ASHP are “set and forget”, there’s a whole spectrum of issues that don’t get flagged by errors. I’m no engineer but...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: What's your current daily damage?

Ours used to be like that until we de-zoned everything. Much better now

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What's your current daily damage?

Yesterdays figures in now 44.5kW used 150kW delivered COP 3.4

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

@alec-morrow I don’t know exactly what pipework we have in all areas. I do know for example we have 2x 600x1599 rads in our lounge and 2 600x600 rads ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

We don’t have a LLH but we have a large buffer tank. So I presume I’d the flow around the house to the rads etc isn’t enough the heat pump will still ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

I took some measurements today. Clearly can see the rads and UFH aren’t losing 5c so makes sense why the main ASHP delta isn’t 5c I’m finding it...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What's your current daily damage?

Annoyingly I can’t view current day usage. But previous days have been 40-50kWh when it’s about 5c outside in the day. forcast -4c later this week ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Halved our ASHP energy consumption

It’s 2c here and foggy. So worst weather for ASHP Flow temp is 42c. No defrost in last 24 hours and house is nice and warm. will see what the...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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