M4 SS Nut
Instructions:
1.
Insert the flat washer into the screw and then insert the cup washer before you place it in the grounding
holes.
2.
Secure the screw to the aluminum frame using the toothed washer and a backing nut on the end of the
screw as you place the grounding conductor.
3.
Make a small loop with the grounding conductor and place it between the flat washer and the cup washer.
Make sure that the copper does not come in contact with anything but the stainless steel to avoid
corrosion.
4.
Use the backing nut to tighten the screw in place with a 4Nm torque and make sure that the toothed
washer anchors the frame.
Option 2: Bolt & nut Grounding
Required material and composition structure:
M4 SS cap bolt
M4 SS Flat washer
Grounding conductor
M4 SS Cup washer
M4 SS Toothed washer
Instructions:
1.
Place the cup washer with the concave side up between the frame and the wire.
2.
Fix the wire between the flat washer and the cup washer
3.
Insert the cap bolt to unify the washers with the frame.
4.
Using the toothed nut tighten the bolt with the help of a wrench. Use a 1.5Nm torque to tighten the
bolt.
IMPORTANT!
A professional must ground the system; failure to comply with this requirement could result in
serious damage, will reduce system performance and invalidate SOLARSOL’s Warranty for PV Modules.
