Program Settings - Chamberlain LiftMaster Professional SW420 Manual

P R O G R A M M I N G S E T T I N G S ( D I P S W I T C H # 1 )
NOTE: For all S1, S2 and S4 switch settings to take effect, the Save Mode must be set to the off position.
TIMER TO CLOSE ENABLE
This switch (S1-1) enables the auto close timer. The timer to close
feature works in conjunction with the potentiometer located on the
board.
TIMER TO CLOSE
ENABLED
S1
ON
ON
1 2 3 4
SLIDE/SWING
This switch (S1-2) selects slide or swing gate operation, in order to
optimize gate behavior for specific application.
SL = Slide
SW = Swing
RIGHT/LEFT OPERATION
This switch (S1-3) selects the gate opening direction, to the left or to
the right. Right/Left operation is determined from the inside of fence
looking out.
SAVE MODE
This switch (S1-4) stores S1, S2 and S4 DIP switch settings into
memory & locks out changes.
NOTE: For any programming changes to take effect this switch must be
in OFF position.
P R O G R A M M I N G S E T T I N G S ( D I P S W I T C H # 2 )
MAGLOCK ENABLE
This switch (S2-1) enables the Maglock feature. On an open command
there will be a half second delay after the maglock relay is released
before the motor starts.
WARNING ENABLE
This switch (S2-2) enables the gate "in motion" alarm feature. The
alarm will beep 3 seconds prior to movement and throughout
movement.
TIMER TO CLOSE
DISABLED
S1
ON
ON
1 2 3 4
23
TIMER TO CLOSE
Timer To Close Adjustment
SWING
S1
ON
ON
1 2 3 4
RIGHT
S1
ON
ON
1 2 3 4
LOCKED
S1
ON
ON
1 2 3 4
MAGLOCK ENABLED
S2
ON
ON
1 2 3 4
WARNING ENABLED
S2
ON
ON
1 2 3 4
30
Seconds
180
Seconds
0
SLIDE
S1
ON
ON
1 2 3 4
LEFT
S1
ON
ON
1 2 3 4
UNLOCKED
S1
ON
ON
1 2 3 4
MAGLOCK DISABLED
S2
ON
ON
1 2 3 4
WARNING DISABLED
S2
ON
ON
1 2 3 4