Chamberlain LIFTMASTER SL920 - Manual (Page 8)

8
 Remove the gate operator from it's
package and make sure that all parts are
included. Refer to General Information and
Parts Identification. If any parts appear to be
missing, contact dealer.
 Temporarily plug the operator into
115 Volt outlet or extension cord.
 Before beginning installation, test the
gate operator by running the operator back
and fourth 2 or 3 times. If the gate operator
appears to have any shipping damage,
contact a dealer.
 The operator may be run back and
fourth by momentarily touching the open input
terminals together. The terminals can be
touched together with a short length of wire,
paper clip or needle nose pliers. With full
systems capability circuit board, the open
input terminals are 5 and 6.
 Disconnect Power when finished!
Installation
TEST OPERATOR
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2