Chamberlain SJ Owner's Manual page 8

Auxiliary Contacts
Three auxiliary normally open dry contacts will be
available. They will accept a max. of 15 amps, 120V
AC/DC. Terminal Block J2 located on the LMPLC
board is used to access these contacts.
1) Terminal J2-17 and J2-18 will close when the door
is fully closed.
POWER WIRING
POWER WIRING CONNECTIONS
1. Connect power wires to the J1 terminal block
located on the Printed Circuit Board (shown below).
(See wiring diagram page 11, 13, and 15)
GROUND WIRING
1. Connect earth ground to chassis ground screw in the
electrical box enclosure marked with the label shown
below.
40-10033B
2. Use same conduit entry into the electrical box as the
power wiring.
(See wiring diagram page 11, 13 and 15)
CONTROL WIRING (con't)
2) Terminal J2-19 and J2-20 will close when the door
is stopped at any position other than fully closed.
3) Terminal J2-21 and J2-22 will close when the door
is in motion.
Single button control is available as an optional
device and is wired to terminals J2-11 and J2-12 on
the LMPLC board.
CONTROL WIRING CONNECTIONS
1.
located on the Printed Circuit Board (shown below).
2. Apply power to the operator. Press OPEN push
button and observe direction of door travel and then
Press the STOP button.
If door did not move in the correct direction, check for
improper wiring at the control station or between
operator and control station.(See page 19)
8
CONTROL STATION WIRING
Connect control wires to the J2 terminal block
(See wiring diagram page 11, 13 and 15)