SMA SUNNY BOY 3800-US - Closing the SMA DC Disconnect

SMA America, LLC Electrical connection
Installation Guide SB30-40US-IUS103030 61
6.10 Closing the SMA DC Disconnect
1. Make sure the string fuses are
securely mounted.
2. Position the cover onto the
SMA DC Disconnect and
insert the switch handle into
the cover.
3. Turn the switch to the "0"
position and tighten the screw
on the right side of the switch
with a small phillips
screwdriver (used screw:
UNC no 5x
3
⁄
4
in. cross recess
Pillips pan head machine
screw).
4. Install the M6x10 screw and washer on the bottom side of the SMA DC Disconnect, to fasten
the cover.
5. Tighten the screw to a torque of 44 in-lbs. (5 Nm).
For proper grounding, the teeth of the washers must face towards the lid.
2
3
4