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Joined: Jan 20, 2022
Last seen: Jul 31, 2025
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Topics: 16 / Replies: 2418
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RE: Zilmet 110 ultra pro 18 (type 19) expansion vessel - Horizontal installation

Thanks for including a photo @saf1973 I have five expansion vessels of differing sizes and orientations.But it has much to do with me having a well ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Additional 6.5kW battery on order

Let me say up front that Solar Edge have developed a high quality technical solution which increases the amount of energy you can draw from your solar...

2 years ago
Forum
Energy Storage
Reply
RE: Communicating with Huawei Inverter

Looking at the Huawei connections diagram, that 8-pin connector appears to support three channels of RS485. Without delving into the full manual, I ...

2 years ago
Forum
Solar Photovoltaic (PV)
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RE: Communicating with Huawei Inverter

That article doesn't say anything negative about using a direct hardwired RS485 connection to the inverter @bontwoody. The author listed RS485 as an...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Communicating with Huawei Inverter

I really don't like the sound of linking to anything made by Huawei using a WiFi connection! Even if it isn't frittering away time trying 'call back...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Communicating with Huawei Inverter

OK. So Modbus is the language. RS485 or WiFi or USB is the connection medium you use for communication. RS485 is a serial protocol which runs ...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Communicating with Huawei Inverter

Do have any knowledge of Modbus or RS485 @bontwoody?

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Additional 6.5kW battery on order

We are benefiting from the lower value of the Chinese Yuan. But it's also possible that Chinese state is intervening to reduce/subsidise the costs o...

2 years ago
Forum
Energy Storage
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RE: Alexa help requested please.

What happens if a burglar shouts through the letter-box flap"Hey Alexa! Switch off all lights!" ?

2 years ago
Forum
DIY
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RE: Smart meter installation – seamless or a potential nightmare?

If the gas supply pipe ran around the outside of the house then there shouldn't have been that earth wire and clip which we can see in your photo. T...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
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RE: Smart meter installation – seamless or a potential nightmare?

I always like seeing pictures in discussions like this @robl And no, the brass cap doesn't need earthing.There's no continuity issue when the gas ri...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Power cut, now 2x fan motors and PCB bust

I agree with @derek-m that it's very unlikely for a frequency variation to have been the cause of the breakdown described by @benseb. It is just as ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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