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I'd run till it burns up. My guy wanted to buy 2 extras for spares. I installed 2 sma sunny islands. For about the same. He cant believe how well they work

I got a replacement. It lasted 20 min and smoked. Waiting on another replacement. What worked was email everyone in cc. Support , regional sales, corporate mucks. Try that first

I'll get you a picture of one when I get home tuesday. I was gifted a unit from a railroad radio tower. I believe its 48 volt . But I havent looked at it real hard. It's about 2foot by 2.4 feet. Your welcome to it if you want to drive 90 miles south to needles. Greg

Hah. We run 6% humidity with any ac .

Thanks. I'll look into them. Our delta can be as high as 53.

Interested in what unit you used. Build 2500 square in the desert and need 2 systems . One 4 ton and one 2 ton . ISH.

Yes it does. And guess what. No response from them.

My new warranty unit lasted 3 minutes. Then went bang pop sizzle

Replacement 4448 on it's way from magnum. Should be here friday. Let's see if things start rolling

So there's hope. I got an rma 3 weeks ago. But since then , crickets. Let's hope this crap gets figured out. All those 20k $ prewired systems out there might start having issues with no recourse. Keep us posted if you get a ship date. Greg

100 W 300 ohm

I'll have to look.

Chris, I am that guy hedges was talking about. I wielded the contacts on the gigabyte after 3 cycles. Retarded resistor is definitely required

Yessir

I would steer away from magnum. I have a client with one if their premade dual 4448 inverters. I have been fighting a stack fault error problem. 6 months of phone calls and emails. Finally got some answers...... Sorry. We dont know what the issue is . Let's warranty one of the inverters...

Well. 3hp saw is 250 amp run. Probably 300 start.

Use one 35 and one 25 die.

For God's sake. Does anyone ever research aliexpress?

My Rec soft porn. Imo. Only way to go.

Ok. Let's go. 2 sunny island 6048. 2 sunny boy 7.7 1 sunyboy 6000us. 1 rec master , 6 slaves so far. With precharge relays Te kilovac new from digikey. ( to many counterfeits out there.) Bussbar is solid copper. 1.25" x .375 Cables are 2/0 battery to bussbars. 3/0 buss bar to sunny islands...

Rec bms

I have 6 sets of 280 to 302 ah lithium. Rec bms in each set. With a little tweaking on the programming, it has been flawless. The Rec bms controls the charging function for the sunny islands. Frequency shift controls the sunny boys. Yes the rec is a bit pricey. But in a $40k system ...

My run is 190 feet one way. I went 480 volt dc to the power house. This allowed me to run number 12 copper and almost no loss. 17kw panels , 90kw lifepo4 batteries. 2 sunny boy 7.7 , 1 sb6000us, 2 sunny island 6048. Powers the world

Yes. Drill stop or drill press. You got lucky.

Did you off the inverters. I'm looking for 2 more if reasonable.

Still looking. Buts here's one of the emails. Please see my comments below: We see this frequently with inverter pre-charge circuits and it’s a mis-application of our contactor. Based on experience with automotive and other inverter systems (converting DC battery power to AC for the motors)...

If you charge from grid first . I'd say shit contactor. But....... if you did battery first. even once. the deal is done. Kilovac has a white paper on this .

Welded. Been there done that. Get new ones and precharge. Make sure you go through reputable source. There's a lot of chin6fakes out there.

Is the guy parting out the traer selling the sunny islands. I need 2 more, but the prices have gotten stupid

0331 here. Happy hunting

Depends on your area . But definitely, possibly, maybe. If not grid tied , roll the dice.

They arent out " looking" but when pulling the permit you have to have the spec sheet and the ul lable

Same as on. Rapid disconnect. Conduits. Roof walkways. Labeling. Only thing missing is 1741

Because they require it. Even rural off grid , we might as well be in Phoenix