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On a side note after multiple attempts to setup the built in wifi I was unable to do so. I wonder if the firmware flash at the factory is bad?

Just to be clear the reading from the connectors that are attached to the array is 204V. While that was disconnected from the inverter I took a reading from the MP4 connectors attached to the AIO. That reading was 29V.

I just read that it was 29.65 volts

I disconnected the connectors from the AIO and took a DMM reading from the panels. I read 204V with the PV array disconnector switched to on. I then took a DMM reading from the PV input connectors which was 29.65 volts

This video is called batteryless mode but it is clear he has batteries attached. Youtube Video of batteryless mode,

oops sorry about that. Yes according to the forum some users said my LV6548V will operate in SOB mode which will allow batteryless operation. Youtube Video of batteryless mode, The above unit is LV6048. a DMM reading of PV voltages at the PV connection terminals of your AIO would be a good...

I dont want to rely on battery power. Is there a minimalist battery I can use (cheap) just to run the inverter off Solar and then Grid Backup?

oops sorry about that. Yes according to the forum some users said my LV6548V will operate in SOB mode which will allow batteryless operation. Youtube Video of batteryless mode, This video is called batteryless mode but it is clear he has batteries attached. The above unit is LV6048. a DMM...

I turned off AC power and the inverter turned off. I took a reading with my multimeter from the PV array DC Isolator output and its 204.5 volts 6P2S is my array setup. Bad Connectors in the PV input on the inverter? I just tested the cables from the PV array isolator and the cables read 203.5 V

Any experience with MPP Solar SUB mode. Solar then utility? My setup is no batteries, one LV6548V 12 panels 6S2P into one MPPT. I am looking at the programming menu: setting The inverter menu does show SUB mode and that is the setting I selected. The screen shows the Grid Icon and by pass...

My setup is no batteries, one LV6548V 12 panels 6S2P into one MPPT. I am looking at the programming menu setting one. I only see USB and SBU settings, no SOL. Does this make sense? INPUT is 120V on the display OUTPUT is 121V. I have a 6P warning which means battery is not connected. Any...

I am looking for an enclosure for a Solar Disconnect Switch, PV Isolator IP66 Waterproof. The one I purchased will rot in the sunlight as it is sunny here from sunrise to sunset 93% of the year. Any recommentations? Solar Disconnect Switch, Waterproof

Are you familiar with this brand? I am thinking about upgrading Ultimate Nitrile Grip Work Gloves What do you think?

I was also worried I had shorted something or that the connectors were faulty /bad. good to know it was just that I dont know how to read a solar panel power diagram :( Good to know. I try to not ever work on live wires but was wearing gloves with an abundance of paranoia.

I was under the impression under load was when I was pulling power from the power source. Like a motor running on AC power. Ex: when the motor is running its under load. So does this mean that a solar power in the sun is considered under load? I know there is power is available when the sun...

Yes the subpanel is fed on the bus bars. Its a 125 amp panel. The inverter is fed from a 40amp breaker. Now that you mention it I want to feed my new subpanel next to the inverter by the bus bars due to the fact it only has 8 spaces. I thought I needed to feed the new panel by a 240 V...

Mine is 6548V 390Voc. I have 12 total panels on the array and was planning on 9 or 10 for this string because of the 390Voc. My 6 string test was a panel output test because my multimeter leads are too short to test all 9ish

I currently have a 50 amp at the main feeding a 40 amp 240 on the subpanel. Do you think I should have all 60 amp breakers one each for the main the sub and one for the subpanel attached to the inverter?

Now i see i should have done followed the right diagram and not the left.

I am duplicating this diagram but with 6 panels. on both ends i am using a 4 in to 1 out cable to connect the end panels. But I am using only 2 of the four connectors

I am testing 6 panels. I tool the Open Circuit Voltage reading with my AMES CM 1000A Panel1 32.26 Panel2 32.13 Panel3 31.77 Panel4 31.67 Panel5 31.69 Panel6 31.76 When i put in serial and take the combined panel reading i get 95.7. Does that make sense?

The MPP manual says to use 4 AWG for the AC Input and Output. I assume that is because they assume I will be building a 100 amp system. I have 1 inverter now. I have 6 AWG running from the main panel to my sub panel. I already ran a 6 AWG run off that sub panel for a second sub sub panel...

It is a large manual so many configuration items. Im glad you mentioned this, now i Know this exists

Currently it is one inverter

I want to build a Grid Assist system with no batteries that will switch to Grid power when the sun power is too weak to supply my needs. Is there a setting in the LV6548 that will allow this to happen? I thought the ATS functionality could handle this but can it without a battery?

The ground wire coming into the System from the panels, what should that be grounded upon? The Subpanel attached to the inverter output?

Thanks for the recommendation I think I will pick one up. https://www.harborfreight.com/cm1000a-1000a-t-rms-acdc-clamp-meter-64017.html

Can you link to an example of "un-keyed MC to shrouded banana test leads" I googled but am not sure if the results are truly what I searched for. I had a hard time getting the small pins on my multimeter to stay in contact with the inside of the MC4 connector. Mutli Meter

The clips I purchased dont look like the type you are recommending.

Yes Trina

Good to know, I thought I only had to ground to a ground rod near the panel mount.

Now I am trying to figure out If or how this matters because hot will be hot all the way from the panels to the inverter but my cable colors may not be the same color all the way from the panel to the inverter. :(