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Hello, Can anyone recommend a good hybrid system (not sma) for my UK house? There are so many out there and I have so little time, so if you could point me in the right direction I would be grateful. I'm looking to lower my electricity bill What I require: The ability to use off the shelf...

I'm getting close to finishing the installation, and I have some nagging questions. Probably best answered by a uk sparky :) Two consumer units / breaker boxes, the left box is for ups, the right is for mains. I'm also using a transfer switch in the right box that will by pass the inverter...

A bloke from the UK asked about this on this forum a month or two ago, but I can't find his post. Regarding consumer units. Here in the uk you must have all the rcd's, mcb's, switches, contactors and anything else you need, the same manufacturer branding; including the case. If this...

Hello, I need a bit of help with my Sunny island si 4.4m-11 (UK) and sunny boy sb3600 TL-21 installation. Every wiring diagram from SMA is the same, they wire every inverter direct to the house fuse box. With the lid off the sunny island you can see AC1 sunny boy and AC2 gen / grid connectors...

I have four 6volt 225ah batteries wired in 12volt, bubbling away merrily, powered by a Lumiax max-mppt1010 10amp charge controller, and an Eco-worthy 100watt 18volt 5.55amp panel. I have left them on charge without using them at all (I haven't got around to selling or using them). Am I...

UK 240volt: 8kw Electric shower, 700w continuous average household usage, 2.4kw washing machine. We never use washing machine, tumble dryer or shower at the same time. I'll be fitting a hybrid inverter (I'm thinking 5 or 6kw), around 2.4kw solar. So what size ah battery should I buy? I was...

Are prismatic cells generally more or less expensive than large cylindrical LiFeP04 cells (with threaded terminals) of a similar output? Anyone know of any reasonable prices of either in the UK? I think for our needs four 200ah 12volt or eight 100ah 12volt should do (fingers crossed)...

Edited: I have a sunsynk 5kw inverter, and I plan to use (as my 2nd array) my old 1.2kw panels and grid tie, facing east for the morning sun. What does the sunsynk require to work from the grid tie? Presumably, as the grid tie has it's own mppt, the sunsynk will start to work no matter what the...

My vendor has sent me two of these batteries, as a replacement for the LiFePo4 (Li-iron) BDM they couldn't supply. Are these Li-iron, or Li-ion as stated on the battery sticker? I have asked Sunsynk but they say Li-ion is LFePo4. Is there a way to find out for sure?

A bit of information I have just spotted on youtube apparently the Chinese regard hybrid, to mean off grid in a black out for about 30 minutes to an hour, and any prolonged "off the grid" time ie days will burn out a hybrid inverter. I really need to know if this is the case. As Growatt...

Hello all, Now I have bought a new hybrid system (although not delivered, for two months) I need Surge Protectors. I confess my ignorance, so I went on youtube to find some info, an eye opener; so now I know why, but not what. I have two arrays: 1st: 6x DAH Panels - Total = Voc 296.7v VMP...

Hi, I'm looking for 4oowatt plus panels in the uk around 1 meter wide by 2 meters tall, and where to buy them. The best I can find are 390watts 1855cm tall. Thank you for your input.

Whilst fitting my home made brackets, I have drilled a hole in to my new solar panel :( I forgot to use the block of wood under the frame, and the drill bit went into the back of the glass. It still gives a voltage, but I think this is probably due to the top part of the panel, Is this going to...

My No1 solar array kicks out max 187volt. My No2 solar array kicks out max 297volt. My Sunsynk inverter mppt is 150 to 425volt, input 500volt max. Can someone please tell me what surge protector I need for each array; bearing in mind the inverter has to be protected up to 500volts max.

This is a bit of a daft question maybe, but one that has me pondering. From 63amp MCB in main consumer unit, 16mm2 armored cable running to the garage, in the garage there is a small consumer unit (lights & sockets) and the inverters own consumer unit / breaker box. Do I, A: Split the 16mm2...

Hi, I'm missing some info, and it looks like the whole of the world knows, but me! I want to use lifepo4 batteries with my sma sunny island inverter; so I take a look on the usual Chinese websites at some very nice lifepo4 that look like car batteries. Apparently they have a bms built in to...

Ok a while back a guy told me that the SMA system (sunny boy360tl21, island 4.4-11, home manager 2) has to work with wifi; is this correct? I have the manual for all of them but I can't find any mention of having to use wifi. Anyone shed any light?

This may be a stupid question. If an inverter manual states it must be protected with a 40amp device, am I correct in thinking that this means the ampage should be the same 40amp rcd, and 40amp mcb? I know it is I'm just having one of those dumb ass days. I'm just thinking (over thinking), as...

Yes it's a little crazy, but will it work? My inverter is in my garage, and I don't want to use wifi or use my modem to use offline software in my house. So what do you think? The inverters wifi (RS232 serial) to USB converter, then to a usb to ethernet converter, plug into power line adapter...

Hi, Due to the ups cable, I have to move my home lighting and socket cables from my breaker box (consumer unit) to a second breaker box 5 feet away. What connector do you use to join (extend) the cables? It would be nice if there were a connector that would replace the individual breakers...

Hi all, I have been looking for type B RCD's that are bi directional, as yet I have not found one. If you know of one then please let us know. EARU no Tongou no Geya no Etek no Chtai no I will edit this list as and when. Ok, it seems that no rcd's are bi directional. Ho hum.

The 5kw Sunsynk inverter manual states battery cable must be AWG2 35mm2, but the connectors on the Sunsynk battery are for AWG4 25mm2 cables, ok it is what it is. AWG4 25mm2 cable connector is 100a max so it would be prudent to wire it as per the picture on the right. The manual states 150a...

My solar switch burned out at almost 50% of the stated max amps & volts. Aha! It's wired in series, and it obviously should be in parallel, I thought. If it were wired in parallel I'd get twice the switching amps and it wouldn't burn out, I thought. So taking a look at a few switches on...

Just a quick stupid question. Why has this got 6w on the side?

Are there any hybrid inverters that are designed to use LiFeP04 ion batteries? TYPO, I meant iron. So far all I have found inverters that support Lithium ion, Lead acid and Agm. Very short sighted if you ask me. Ok, so you have LiFeP04 batteries, hook them up to the inverter, plug in your BMS...

3.5k & 5kw inverters are not fitted with neutral earth bond contactors from new, you have to fit them. When we fit an ups system I think the majority of folks want the sockets and lighting to work, and leaving the heavy loads behind. I would think fitting just one socket for an electrical item...

Looking at the Sunsynk I have found it to be impressive, although it doesn't include LiFeP04 in it's list of battery types. A big plus is that it's environmentally sealed which is what I need, as my garage a lot of gets damp air and at times foggy. The down side as far as I can see is its...

I have looked all over the batteries but I can't find a switch for master and slave :confused: While I'm here, do the L5.1 batteries have heat pads inside? Also, what setting in the inverter do I use, the manual has no entry for this battery in the inverter menu. Thanks for your help.

As breakers are bi directional, which way do I wire them up? I have a feeling that the top of the breaker, protects what is behind it. So inverter to the top of the big breaker. Also battery to the top of the small breakers. Or have I got this wrong? The cabinet was not such a hot idea...

Good morning chaps, I've been looking at din solar fuse holders. Reading on the side of a Tomzn holder "must use 75c cable" had me thinking. My old inline fuse holder melted from day one of using it, so a heck of a lot of heat given off from the fuses, do I really want breakers and surge...