Additional Connections; Inserting The Data Cables - SMA SUNNY ISLAND 4548-US Operating Manual

6 Electrical Connection
6. Insert N and L into the terminals labeled "AC2 Gen/Grid" and tighten the fastening screws with
a torque of 22 in-lb (2.5 Nm). Use a torque wrench with flat-blade screwdriver bit SZS
1.0 x 6.5.

6.4 Additional Connections

6.4.1 Inserting the Data Cables

For installing the connections described in the following sections, lead the data cables through the
specified holes in the cable support sleeve. Plugs for sealing the RJ45 data cables for internal and
external communication are provided in the plastic flange plate upon delivery. Through a combination
of the plugs there are up to four feed-throughs (two plugs without a feed-through, one plug with one
feed-through and two plugs with two feed-throughs). Insert the necessary plugs with feed-through to
attach the data cables.
52 SI4548-6048-US-BE-en-21
SMA Solar Technology America LLC
Operating Manual