SMA DU-SC-US - Manual (Page 30)

Preparing the Disconnect Unit for Installation SMA America, LLC
30 DISU_SCUS-AP-eng-IUS110911 Unpacking
1. Screw the grounding strap in the bottom left corner
of the Disconnect Unit to the front plate of the
enclosure. Tighten screw with a torque of 71 in-lbs.
(8 Nm).
2. Tip the front plate over with two persons so that the
upper edge is pointing towards the Disconnect Unit.
Hook the front plate of the enclosure onto the two
hooks on the front of the Disconnect Unit.
3. Press the lower edge of the front plate of the
enclosure onto the Disconnect Unit.
4. For each of the switch handles on the front of the front plate: Shake the handles gently a few
times so that the switch shaft engages with the handle.
$"65*0/
Danger of crushing caused by heavy front plate!
• Note the weight of the front plate 110 lbs. (50 kg).
• Move the front plate of the Disconnect Unit with at least two persons.
• Ensure that one person is holding the front plate of the enclosure at all times when the other
person is working on it.
DISCONN
ECT UNIT
SMA