SMA SC 500U Installation - Manual (Page 56)

SMA Solar Technology AG
56 SC500U-IUS093411 Installation Guide
15. Inspect the interior of the Control Cabinet and Interface Cabinet to insure that they are free of
any tools, foreign objects, water, debris or documents.
16. Ensure that the area around the Sunny Central is clear of any tools, foreign objects or debris.
17. Check the AC connection for a possible clockwise phase sequence. For this purpose, hold the
terminals of the phase sequence indicator onto the three phases of the AC connection in the
Sunny Central. The indicator shows you whether there is clockwise phase sequence.
9.2 Switching the Sunny Central On
DANGER
During operation, high voltages are present in the Sunny Central.
Death resulting from electric shock.
• Do not operate the Sunny Central with doors open.
Below, on the door of the Interface Cabinet there is a door
stay (A).
1. To unlock the door stay (A) push upwards.
2. Close the door of the Interface Cabinet.
3. Attach the plate to the Magnetics Cabinet and
tighten the screws.
4. Close the right door of the Control Cabinet.
5. Inside of the door is a handle. Pull the handle
downwards to lock the door.
6. Turn on the automatic circuit-breaker on the inside of
the Control Cabinet’s door.
7. Shut the Control Cabinet door immediately.
8. Push the handle down toward the Sunny Central.
– When the handle has been pushed down, the
Sunny Central is closed.
A
Stop S tart
Stop S tart