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robl
@robl
Member
Honorable Member
2570 kWhs
Joined: Mar 23, 2022
Last seen: Mar 4, 2025
Profile Activity
Topics: 1 / Replies: 198
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RE: A Beginner's Guide to ASHP Monitoring

Our heatpump has been going for 13 months, used 1580kWh of electricity, and produced 5803kWh of heat. Most of that is heating the (4 bed 1963 build) ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

I started by cable tying temp sensors to pipes, and wrapping with loads of insulation, re-wrapping, getting a different answer... There is no doubt i...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

In my experience, the temperature is much harder to monitor accurately enough than the flow rate. We need two sensors well connected to the flow and ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

@iancalderbank The flowmeters I use are cheapie £8 things that look like this from Amazon, which claims 2%. I have two, one on the house circuit m...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

@derek-m The sensors are tsic506f, and they connect up to an mbed(old micro type I’m used to) that I programmed with a free Arm account. There’s a...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A Beginner's Guide to ASHP Monitoring

I used a couple of 0.1C accurate temperature sensors for flow and return - they’re pushed into thin copper tubes which are thoroughly soldered to the ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Double or Triple Glazed Windows?

We changed the glass in our circa 1990 uPVC windows 11 years ago. The double glazing units that were in were the standard of the time: 4mm glass/16mm...

2 years ago
Forum
Insulation
Reply
RE: Indra V2H Trial

@mattengineer It follows the load quite well. If the Indra box is "on", then the smart meter tends to read between -50W and +50W, except in the ch...

2 years ago
Forum
Energy Storage
Reply
RE: Indra V2H Trial

@jp1 I joined twitter just for this, and sent: @OctopusEnergy "Joined Octopus late Aug with a function smart meter from Ovo, hoping to use ...

2 years ago
Forum
Energy Storage
Reply
RE: Air in the heating system

These guys have "deaerators" that can remove microbubbles that are left flowing around a system, might improve matters. They also sell exotic "vacuum...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Shelving options for LF280K batteries

here's an interesting utube concerning EVE 280 battery compression: It's a short vid, well worth watching - I learned: The ideal cell compr...

2 years ago
Forum
Energy Storage
Reply
RE: Shelving options for LF280K batteries

I'm watching this with interest! The Seplos boxes with 16 cells installed they weigh around 100kg, so should really be built in-situ, which really pu...

2 years ago
Forum
Energy Storage
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