Modifying Sinus Pro Volt Polish 1000 W Solar Inverter: Battery Charger Disconnection

Question

Hello I currently have a Sinus Pro Volt Polish 1000 W solar inverter. The latest model that came out in 2016 is. The new model offers the possibility of, among other things, disconnecting the battery charger from the mains. My question is - is it possible to insert (read modifications) such a...

pexim · Answer

No offense, but a very unreliable product ... We had a distribution in the company - a massacre with returns ... best regards

rhitmo89 · Answer

Can you provide an alternative and less reliable device?

pexim · Answer

It's very hard to find something ... Success in your search

Piotr1956 · Answer

Contrary to negative opinions, I have been using this device for 1.5 years.
You must have watched YouTube videos. And they probably mean what I have a problem with.

Added after 5 [minutes]:

pexim wrote:
No offense, but a very unreliable product ...
We had a distribution in the company - a massacre with returns ...

Maybe some more information on the reasons for the returns.

rhitmo89 · Answer

Similarly, two pieces installed at clients' premises, min. half a year and so far no problems.

Staszek_PL · Answer

This is decent hardware, I had no complaints with a dozen or so installations. The basis is not to connect the device output with the existing electrical network - even with zero or differential.

Wlodek22 · Answer

I had 2000S newer version, liked the switching logic on different priorities, now I have black older 2000 version without solar charger and it feels like this version is more powerful. As if the overload thresholds were set lower, it squeaks less often and turns off from the 2000 S version.
The mains charger is annoying and I have a plan to deactivate it through a relay that will cut off the control of MOSFET gates when powered from the mains.

Anonymous · Answer

In my case, the converter powers a gas boiler, five willo pumps, fireplace automatics, water softener, UVC lamp and some other smaller things.
Three 12 V batteries with 100 Ah each are connected to the converter.
The device works flawlessly and maintenance-free. My assessment after two years of using the device is five with a plus.

KamilKulewicz · Answer

Hi, the question to the owners of the Volt 2000 SW inverter of the manual is that you can connect only one device due to the reverse current that can damage the device and it is forbidden to connect to the installation with overcurrent circuit breakers, etc. Nevertheless, I prepared for it and hence the question - what to do so as not to kick the inverter. I want to connect to it the light at home on the connectors and sockets to which will be connected crap, such as chargers, laptops, etc. Is there any type of reverse current protection?

krzywy1 · Answer

Volt is typical budget Chinese food, I had it, it broke after one day, I gave it back as soon as possible.
Someone asked for an alternative? here you are, MPP Solar. They sell on Ebay, delivery from Poland duty-free and VAT-free.
If someone recommends the Volt company, he either has no idea about inverters, or it is a typical beater from the store.
Volt is not a producer, it only brands products.
There was already a topic on the forum about this modification, but nothing came of it.
Sell this Volt and buy yourself a decent inverter in which this option will be available without modification.

Maverick73 · Answer

I have been using the Volt 1000S for about 3 years in various configurations and with various devices and it works for approx.
No electricity has receded and it works with different devices simultaneously.
But I only use it as a converter and voltage stabilizer. I do not use a charge regulator in it for the simple reason that it cannot be set to the values that interest me.

I rate the equipment as good +

MichałS · Answer

You can deactivate the mains charger without modifying the inverter. It is enough to add a small 24V / 100mA power supply to the PV input so that the inverter can see the PV power at all times. This additional power supply must be protected against backflow into it from the panels. A 1N4007 diode is enough.

KamilKulewicz · Answer

And will this diode also work on the AC output? NS...... inverter with reverse current from devices by connecting several devices at once?

MichałS · Answer

Let's consider ...
Apart from the fact that the 1A-ampere diode will be damaged under a higher load, it is not why you buy a full sine inverter to straighten the waveform and supply the receivers with such pulsating DC voltage.

And where does the reverse current come from? Maybe if someone connects the receivers between the L output of the inverter and N from the network installation, the equalizing current will flow. The circuit will close by the AC circuits of the inverter.

KamilKulewicz · Answer

It is just in the manual (attachment) and I would rather not mess it up, but maybe it's okay ...... turn back

Modifying Sinus Pro Volt Polish 1000 W Solar Inverter: Battery Charger Disconnection

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