SMA DU-SC-US - Manual (Page 28)

Preparing the Disconnect Unit for Installation SMA America, LLC
28 DISU_SCUS-AP-eng-IUS110911 Unpacking
8.2 Mounting the Lid
1. Clean lid.
2. Lay the lid on the Disconnect Unit, slightly to one side.
3. Screw grounding strap to the Disconnect Unit with
contact washer, washer, split lock washer and nut
with a torque of 71 in-lbs. (8 Nm).
4. Push the lid forwards from the back beneath the
straps.
$"65*0/
Danger of crushing between the lid and the Disconnect Unit!
• Note the weight of the lid of 37.5 lbs. (17 kg).
• Install the lid of the Disconnect Unit with at least two persons.
• Make sure that one person always hold the lid while the other person performs work at it.
Screws for Installing the Lid
Screws to affix the lid are found in a bag attached to the lid. Remove the bag and unpack the
screws before affixing the lid.
Note the grounding strap on the lid
A grounding strap is installed on the lid. The free end is affixed to the lid. Remove the adhesive
strips before installing the lid. Connect the grounding strip to the Disconnect Unit as described
below.
DISCO
NNECT UNIT
SMA