SMA SC 500HE-US Installation - Manual (Page 82)

10 Opening the Sunny Central SMA America, LLC
82 SC500HEUS-IA-US_en-14 Installation Manual
16. Disconnect the grounding cable inside the metal plate.
17. Put the metal plate aside.
18. Verify the absence of voltage with respect to ground at the AC clamp with an appropriate
meter.
☑ If there is a voltage present, the installation must be checked.
19. Verify the absence of voltage with respect to ground at the DC clamp with an appropriate
meter.
☑ If there is a voltage present, the installation must be checked.
10.2 Opening the Power Cabinet
1. Switch off the Sunny Central as described in section 10.1.
2. Pull the handle of the Power Cabinet upwards and
turn it to the right.
3. Put the key into the Power Cabinet's lock and open
it.
4. Open the door.
5. Inside of the left door is a handle (A). Turn the
handle through 180° to the top left.
☑ The door‘s catch is released and the left door of
the Power Cabinet can be opened.
6. Open the left door of the Power Cabinet.