Off Grid Installation Manual

INSTALLATION MANUAL GUIDE | DATE: 02/2017
8
Attach a separate ground wire to grounding holes on modules frame with a self tapping
screw. Module frame is provided with grounding holes. Stainless-steel bolts, with nuts,
washers, and locks washers, are recommended for module grounding. The ground wire
should be at least the same size as the electrical conductors, ground wires greater than
10AWG is recommended.
Assemble the recommended ILSCO grounding lug to the Aluminum frame using stainless
steel M3, M4 or M5 screw and hardware as shown below. Note: there are two different
size grounding holes, the smaller of which is being phased out. Further, build up of
hardware for mounting the grounding lug are the same—except for the M3 & M4 screw,
and added flat washer is mounted directly under the M3 & M4 screw head. The star
washer is fitted directly under the grounding lug and makes electrical contact by
penetrating the anodized coating of the Aluminum frame. The screw assembly is further
fitted with a flat washer, then a split lock washer and finally a nut to secure the entire