Chamberlain MGJ User Manual page 3

B2 WIRING TYPE WITHOUT MONITORED SAFETY DEVICE
C
Requires a non-monitored safety device.
• Momentary contact to open, close and stop.
• Open override that reverses when closing by any opening
device.
• Wiring for safety device to reverse. NOTE: The operator
will automatically convert to B2 wiring (option D) when
Monitored Safety Device is installed. (See accessories
page for Monitored Safety Devices)
• Timer to Close (TTC) feature not available.
NON-MONITORED SAFETY DEVICE
TO PROGRAM
Start with operator in factory default C2 mode.
Press and hold the LEARN and CLOSE buttons until the LED goes
out (approximately 3 seconds).
Electrical Box Logic Board
D7 D5
U4
D6 D4
J4
014A1030
C32
C20
TP1 R25
C9
C21 U1
L5
^^^^
AUX ANT AUX ANT
C18
J2 R27
D14
K2
LT
TTC LEARN STOP CLOSE OPEN
C29
LED
1 2 3 4 5 6 7 R24
P1
LMEP1 LMEP2 STOP CLOSE OPEN
D9 COM INTRLK
B A S I C P R O G R A M M I N G
Sensing
Edge
LEARN STOP CLOSE OPEN
D14
LED
1 2 3 4 5 6 7
B2 WIRING TYPE WITH MONITORED SAFETY DEVICE
D
• Momentary contact to open, close and stop.
• Open override that reverses when closing by any opening
device.
• Wiring for safety device to reverse. NOTE: The operator
will automatically convert to B2 wiring when Monitored
Safety Device is installed. (See accessories page for
Monitored Safety Devices)
• Timer to Close (TTC) feature available.
MONITORED SAFETY DEVICE
NO PROGRAMMING REQUIRED
3
Photo Eye