SMA SC 500U Installation - Manual (Page 32)

SMA Solar Technology AG
32 SC500U-IUS093411 Installation Guide
5.4.5 Attach the Sunny Central to the base
5.4.6 Install the Cover Between the Cabinets
8. Connect cable W50 and W 50.1 to rail U.
9. Connect cable W51 and W 51.1 to rail V.
10. Connect cable W52 and W 52.1 to rail W.
11. Tighten all terminal connection bolts with a torque
wrench to 230 in-lbs (26 Nm).
12. Attach the transparent cover.
13. Tighten the screws clockwise.
The mounting holes (A) are located on the inside of the
Sunny Central's stands.
The holes for mounting the Sunny Central to the base are
1.34 in. x 0.55 in. (34 mm x 14 mm). Use appropriate
mounting material.
Figure to the right: Mounting hole in the front left stand of
the magnetics cabinet.
1. Insert screws in all 12 mounting holes of the Sunny Central (for the position of the mounting
holes, refer to section 5.2 "Preparation of the Base" (page 24)).
2. Tighten screws.
The cover between the two cabinets is attached using a total of 12 screws. 4 screws on the front, 4
screws on the back and 4 screws on the top of the cover. A bolt is available on the inside. This bolt
is used in order to ground the cover.
1. Place the cover between the Magnetics Cabinet and
the Control Cabinet. The bolt must be in the front side
of the Sunny Central.
L-
L+
U V W
L+ L+
A
Stop S tart
Stop S tart