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Oh yeah, it has to be the right type, just not tested as the right type Clear as mud as usual ain't it? :ROFLMAO:

without opening big book to double check wording. OSG gives ref to 643.8

Latest AMD only calls for AC tests now anyway. So anybody that didn't have it last month, is now all gravy again :ROFLMAO: :ROFLMAO: :ROFLMAO:

Maybe give some more details on how it is all setup? may help with identifying the issue. First thing that would spring to my mind is a conflict with the CT clamps and device settings. By that I mean maybe the charger is load limited to say 16A and when the battery is charging there is more than...

Just to give a reply (although a pretty useless one) I have done plenty of PV work in the past but very little battery so don't know how that setup would react. thinkk you would have to delve deep into manufacturer literature or contact the manufacturer direct to see if/how their system work...

Sorry, it would be the programmer, not the valve. After my post, I saw yours and Poni's photos of the rear of programmer, Poni's mentions interlock on the little knob thing near the battery. If it was my own, out of curiosity more than anything else, I would slide that to the little indicator...

I can't find an installer manual, only a user manual. Before splashing out, I personally would take the cover off and see if there is a 'Gravity <> Pumped' switch or maybe one that says interlock. If there is either of those switches (or sometimes it's a jumper link) toggle it and see what...

Like I say, I'm probably using the wrong term. I understand what you are saying, but the system I was on about is gravity circulated. i.e the hot water from the boiler heats the hot water tank coil through the force of hot water rising above cold water. There is no pump of valve connected to...

This is a reply to @Sharpend too, but cannot figure out multi quoting at this early(ish) hour Ok, maybe I'm not using the right terminology then. I know a gravity system as how they were with the old coal fires etc. Where there are no valves. The heat just circulates around the hot tank coil...

I don't see the point of messing with the valves at this point, If you get HW on it's own and HW + Heating, then it's pretty much 90% the valves are working, it's just that the programmer is setup for a gravity system. You either need to change the setting on existing programmer to pumped (if...

Doesn't it make your blood boil when someone has a rant over people not responding in a timely manner, then doesn't respond to the replies in a timely manner....

Many programmers have an operation mode to allow for gravity or pumped / valved systems. Sounds like yours is set to gravity. Which works like the old mechanical clocks. Hot water only OR Heating & Hot Water. No Heating only. It could be a case that the programmer is wired ok, but just set...

My take on the OP. Your meter is the original meter and the only one registered with a supplier. The building has been split up into flats and rather than getting new supplies / splitting the original, they have just installed 2 additional private pre-pay meters (sub metering). The original...

how is a 3.6kW inverter too smal for 3.32kWp of panels?

What did you use to test continuity? if it was just some buzzer probes, they will read up to quite a high resistance. So my money would in on a high resistance joint/connection maybe due to corrosion build up.

Depends what you are wanting from Octopus. If you are wanting to claim the Smart Export Guarantee then it is treated simialrly to FiT and therefore I believe they need to see an MCS cert. If yu aren't bothered about anything off them, then it has nothing to do with them anyway. You still need...

Finally, someone getting into the trade properly. Instead of a 5 week course and hope not to die.. Well done @drooper. Keep it up!

I would think it is just usage in keeping the house ticking over. My house for example ticks over just under 300w when everyone is in bed and no extra gadgets on. 300w x lets say 8 hours (probably more like 10 at moments as nights are starting to draw in) = 2400wh or 2.4 kWh. If you have a 5 kWh...

Interesting. Only ever seen the contactor setup or older meters with 2 lives

Been thinking the same for a bit