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i would only put EWI on a solid wall. Otherwise you still have air movement within the wall negating the insulation effect. A rebuilt outer leaf with PIR would be ok as long as the PIR was very snug, foamed between each sheet etc. otherwise you still have the same problem - air movement around or up...

Hi nowty,

Very impressive.

I am interested to know how you are managing the export.

Are you exporting from the Sunny Island or the ME3000SP? Do you have to manually keep adjusting it through the day?

Q1 - There are a number of 3-phase inverter/chargers around now - Sunsynk springs to mind. https://www.bimblesolar.com/sunsynk-three-phase It can also be done with 3x single phase units connected to one battery stack (but you will need 3x battery communication outputs - easy when you have loads of b...

Thanks Kommando - very helpful. Lots of fun to be had playing with this.. I have turned on Modbus via the installer login on the SI. I don't think it can be done via the Sunny Portal. Modbus Mechanic is giving me results via slave node 3 - I could not find a parameter on the Installer login on the S...

SI8.0H-13.

3 actually as a 3-phase group.

Hi All, I have switched out my Sofar ME3000SP inverter-chargers for Sunny Island 8.0H. I am using the system for self-consumption without battery backup and fully charge the Pylontech batteries overnight in the cheapslot. However, now we are in February, the PV means the batteries are typically not ...

Company accountant says: Vat is not reclaimable on any cars to be provided as company cars. It's also almost never charged on sale of 2nd hand cars, so there's no loss of vat. The capital allowance side is 18% per year reducing balance, so 18% of price paid in year one, then 18% of 82% year two. In ...

Lower cost for you, but the BIK for the employee is based on the new price of the car plus accessories, all at new list price. I have always seen this as a lever the motor trade applied to business (via government legislation) to ensure company cars were bought new. There is also the Octopus leasing...

Aagghh. RTFM.

Thanks Timbum.

Much higher secondary current than the CTs I have. 20:1 instead of 2500:1

Need to rethink some stuff as I can't run 5A down 50m of twisted pair. (Not that I was anyway with 3-phase potential on the wires ).

Hi All, I have decided to switch to an SMA based system. The first step is to install a Sunny Home Manager 2.0 which will monitor the grid import/export and deal with the export limitation of some new Sunny Boy inverters. I installed the Home Manager last week but have been having trouble with the e...