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I bought a Midea window air conditioner model MAW12AV1QWT 12,000 BTU $420 online Costco but in the store I got it for $280. I built an extension to my “shed” putting the AC 2 feet from the electrical equipment so my butt can fit there for maintenance work. It works great, effortless cooling the...

Furthermore, tech support from Giandel suggests I ignore the “open ground”fault test as the tester is not relevant to inverter power: “Thank you for contacting our Giandel support team. We understand your concerns now, so many users have the same issue when they use the tester to test the...

I am connecting the EG4 LifePower battery to the EG4 6500 watt inverter/charger, so I plan to wire a 30 amp RV plug to the inverter AC input - should be OK, do you think?

Thanks to @smoothJoey for the references - https://diysolarforum.com/resources/grounding-made-simpler-part-1-ac-houshold-grounding.157/ Previous posts on this subject with replies from Giandel imply that there is already an internal N/G bond and Giandel doesn’t recommend an additional external...

Thanks to all for advice. Project finished with covers over breakers to prevent accidental shut off. i put a breaker panel between AC in to AC input on the EG4 inverter and a DC breaker between the AIMS battery charger and the batter. it works fine.

Thank you - great info as I missed those facts in the manual…from the Wombat

I forgot that the neutral ground bond clears the fault. My error. Thanks for clarifying Timselectric.

Thank you all. I bought two copper ground rods and drove both 8 feet down 10 minutes each about 7 feet apart - review of my house plan showed the riprap boulders were further south from the site of the ground rods. I connected the two rods with a 6 AWG copper wire. Problem solved.

Agree….I am not going to open the Giandel inverter to do a N/G bond and I am content to leave the N/G bond I did in my Subpanel.

Thank you…you did a great build

Thank you. My panel is mounted on a wood panel layered under 3/4 in cement board. The ground plug from the Giandel inverter is connected to the ground bar in the panel.

Building 4000W solar array to power two EG4 6000XP inverters in parallel with two EG4 PowerPro batteries in parallel. I read the NEC requires a DC ground fault protector to disconnect PV+ line to prevent fires. So I called Signature Solar tech help and they don’t sell the device and do not...

I have a single EG4 6500 EX48 with one EG4 Lifepower 48V battery to run LED lights on my gazebo, internet, chargers and occasionally use it to power shop vacs, etc. I have 6 solar panels in series 240W each and every night I get sufficient solar to bring the battery capacity up to 100%. By...

Thanks good to know 6AWG is overkill. I will eventually have two ground mounted arrays, each delivering Vmp 310V PV array current 13A. What size copper do you recommend?

Outdoors I set up a shed with EG4 6500 EX48 with one EG4 Lifepower 48V battery to run LED lights on my gazebo, internet, chargers and occasionally use it to power shop vacs, etc. Problem is that the maximum operating temperature of the EG4 EX48 is 104degrees F and I live in Phoenix where the...

Started with Renogy Rover40A controller. PV array four 100w panels in series-parallel with calculated Imp 9.8A Vmp 40.8V, well under load specs for the Rover 40A. After 6 weeks the unit melted down, the display failed, the PV wires on a 20 foot run were very hot. I shut down the system, removed...

I will check for discharge - the charger I use is a AIMS Power CON120AC3648VDC AC Converter & Battery Smart Charger

Planning totally off grid EV charging and 240V supply to pool heater. Two EG4 6000XP in parallel to two EG4 PowerPro batteries for 50A 240V supply to an off-grid service panel - grounded to earth ground via continuous 6g copper wire attached to two 8 ft pounded into dirt earth-ground. There will...

Mine uses 45 kWh a day in winter and 80 kWh a day in the hot Summer.

Thanks for the papers which I will review. My panel ground bus is connected to my 4 AWG copper Ufer ground wire. Is there more grounding I should do or something else I am missing?

I am getting installation of an Endless Pool - I am in Phoenix, AZ. Energy need estimate from the company: 1. Water Quality System - 1.0 hp circulation pump and 4kW electric heater. Assume the filtration cycles are going for 6 hrs/day and heating for 4 hrs/day (of those six): 1.0 hp circulation...

I read the four papers including one on Inverter Grounding by Model - in that last paper, Giandel model has ground bonded to the AC out neutral inside the inverter. All my outlets in metal boxes are grounded inside each individual outlet box. When I put an AC system jumper between neutral and...

One more question regarding NEC 690.47(A)(1) - most PV systems are functionally grounded rather than solidly grounded. Mike Holt says that for functionally grounded systems, the inverter equipment grounding conductor is connected to the grounded distribution equipment. This connection is used...

Since the EG4 48V 18A battery charger is out of stock….does anyone have a suggested substitute or alternative charger?

Thank you..this helps me understand better to expect the 30+% drop in battery and I will get another battery. I don’t see such a large a drop with the Giandel inverter in my garage or with my Progressive Dynamic inverter in my RV or with Victron.

Yes I had a Lynx distributor but I wasn’t able to find the Victron MPPT manual’s recommended 80-100A Megafuse in 58V size as Victron doesn’t make 58V mega fuses that small. I ditched the Lynx and will use an 80-100A 48V ANL fuse as I am unfamiliar with NH fuses.

Planning off-grid 240V 25A EV charge system with EG4 6000XP inverter and EG4 PowerPro 14.3 kWh battery in my house garage. My house is built on riprap (boulders to raise it above a flood plain) which I cannot drive an 8 foot grounding rod into. Nearby is a steel garage on concrete pad - I...

I use a 2 space Square D Homeline 70 amp for my AC out and I could get another for the single AC line in as I do not wire the setup directly to the grid - I only plug in to charge the Lifepower battery. i want to leave my AIMS DC 48V charger connected to the 48V Lifepower battery so could I...

Great use of pipe. Question what did you buy to connect the transverse 2” pipe to the vertical pipe - looks like you mounted something on the top of the steel pipe and connected two U bolts. Home Depot?

Have Giandel 4000w inverter PS-4000QBR. Installed in off grid solar system in steel garage. Panel is earth grounded to a buried in concrete Ufer. Yet all my outlets test as “open ground”. Earlier in the setup, neutral was bonded to ground somehow resulting in a short circuit, the Giandel shut...