Logic Board - Chamberlain door opener Owner's Manual

Auxiliary Board
Connections
Programmed Chip
Maximum Run
Timer Button
Radio Learn Button
Mid Stop Learn Button
Timer to Close
Learn Button
L O G I C B O A R D
Ø14LGØ657–A
P4
E1
R29
C11
D3Ø2
K3
OLS D25
MID D24
SLS D26
D16
CLS D27
P7
MRT MID
RADIO 1 2
D36
RELAY A
C77
RELAY B
D35
C73
E2
D1
L1
C2
B2
L5
FAILSAFE
P6
Wiring Type
Selector Dial
Ø14GPØ657–A
C18
X1 P1Ø
C25
C17
POWER
D19
J1 J3ØØ
TIMER
DEFEAT
D17
R8
MAS D28
D23
4
EYES
D15
TIMER
D1
EDGE
D22
OPEN
D2Ø
TIMER
3
ENABLE
CLOSE
D21
D13
STOP
T TS
FSTS
DIAG
SBC
PROG
( B2 C2 D1 E2 )
NON FAILSAFE
S8
D14
P1
D34
Failsafe Switch
15
C3Ø
D31
Motor Direction
Jumper
D7
D6
D5
D4
Single Phase and
24V Three Phase Jumper
AC
14
24V
AC
13
TIMER
Maintenance Alert
DEFEAT 12
System Button for
Programming
CMN 11
MAS 10
Open Button
EYES 9
Close Button
EDGE 8
Stop Button
OPEN 7
CLOSE 6
STOP 5
CMN 4
3
Control Wiring
Terminal Block
2
SBC 1
F1