Fleware 500 Knockouts

OutBack's newest innovation in balance-of-system components

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JCO
Forum Member
Posts: 5
Joined: Mon Feb 21, 2011 12:54 pm
My RE system: 2 x FX 3048MT, Flexmax 60, Flex 500 AC/DC cabinets & mount, PSX-240 Autotransformer, Hub, Mate, 6 x Kyocera 210W panels, Air 403-48, 20pc Sterling 140 Ah AGM batteries, 48V off-grid system.

Fleware 500 Knockouts

Post by JCO »

Greetings.
First-time posting. I am currently installing a residential Flexware 500 system in Ontario, Canada and have a query about the knockouts on the boxes. Although I have have trained as a PVT, conduit issues have dogged this non-electrician. I am using a new Swiss 1 1/2" corrigated conduit product called PMA. When I went to attach the home run to the Fleware500 DC box, I banged out the large knockout simply assuming that the 1 1/2" threaded fitting would slip in, screw on the nut and be done. Not so! My question to the forum is: why are the knockouts 2 1/2", and what is the best practice to connect conduit/reducers/expanders of different diameters to the boxes?
Thanks;
Clive
LWolken
Forum Member
Posts: 24
Joined: Sat Dec 26, 2009 8:27 am
My RE system: (20) Mission 355W panels 7.1kW, (2)Outback VFX3648 Inverters , (8) Rolls Surrette S550 @ 48V, (2)FlexMax80 Charge Controllers, Hub 4, Mate 3S, PSX 240
Location: Conroe, Texas

Re: Fleware 500 Knockouts

Post by LWolken »

Go to electrical supply house and ask for some "Chinese Money" washers to shim the large knock out removed.
JCO
Forum Member
Posts: 5
Joined: Mon Feb 21, 2011 12:54 pm
My RE system: 2 x FX 3048MT, Flexmax 60, Flex 500 AC/DC cabinets & mount, PSX-240 Autotransformer, Hub, Mate, 6 x Kyocera 210W panels, Air 403-48, 20pc Sterling 140 Ah AGM batteries, 48V off-grid system.

Re: Fleware 500 Knockouts

Post by JCO »

Much obliged. The flat washers worked a proper treat.
Now, if there was only a pre-cut wiring kit available for the DC side....Outback tells me that they stopped offering a kit after stopping the PSDC production. Oh well!
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