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Illustrious Member
Joined: Jan 20, 2022
Last seen: Sep 11, 2025
Profile Activity
Topics: 16 / Replies: 2454
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RE: Mitsubishi ASHP - Circulating pump noise?

You shouldn't be left to ponder this.Before a heat pump gets installed there should be an energy survey conducted (often by the installer).That's how ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Connecting Home Assistant to a Midea Heat Pump

I would go a step beyond that recommendation. The pioneering development of on-chip wear-levelling algorithms was undertaken by the Israeli firm, M-...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

I re-read it, and I think you're right @robl UKPN are actually allowing you a 34A maximum export to the grid. That has the potential to cause some s...

2 years ago
Forum
Energy Storage
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

Thanks @rob1 - Sunsynk is the manufacturer which I expected someone to mention first. Here's one of their generic connection diagrams There's a ...

2 years ago
Forum
Energy Storage
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

For someone to have succeeded in obtaining a G98 approval, then the battery will be DC-connected to the inverter the inverter will use some form ...

2 years ago
Forum
Energy Storage
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

Here's my own graphical interpretation of the conditions under which the G99 Fast-track process can be used: The Electrical Networks Associati...

2 years ago
Forum
Energy Storage
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

Not quite. If the inverter is an off-grid type then it only requires CE safety-level certification.G98 is only for devices that can export. These ...

2 years ago
Forum
Energy Storage
Reply
RE: Say hello and introduce yourself

That was an interesting conversation @redbuzzard Whilst we still here on the general 'Hello' topic, let me make three points: 1: Conservation area...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Mitsubishi ASHP - Circulating pump noise?

Yes, I can see the clips on the external pipes ... but the insulation has been compromised and is no longer able to prevent the ingress of water.R...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ASHP - Circulating pump noise?

Photo-5 looks like a position where a (gas?) boiler has been removed.The un-insulated copper pipes are 'fixed' into the wall using expanding foam.That...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi ASHP - Circulating pump noise?

Photo-2 shows no insulation on the copper pipes!It's needed for heat retention, let alone the fact that it dampens sound. What's the composition of ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

This speaks volumes about our different perception of the Local Planning Authority! I'm trying to find you an excuse to get access to the (busy, but...

2 years ago
Forum
Introductions, Forum Rules & Updates
Page 149 / 207
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