Chamberlain LA412 User Manual
13
MOUNT THE CONTROL BOX
The control box MUST be mounted within 5' of the
gate operator. Mount the control box as high as
possible for best radio reception.
gate operator. Mount the control box as high as
possible for best radio reception.
RESET
Screws (4)
Open the Control Box
Remove screws and open the control box.
Remove screws and open the control box.
Remove the Control Board
Disconnect the reset button, alarm, and coaxial connector.
Loosen screws to remove the control board and mounting
bracket. Remove batteries and set aside.
Disconnect the reset button, alarm, and coaxial connector.
Loosen screws to remove the control board and mounting
bracket. Remove batteries and set aside.
18
18
L1
L1
K2K2
Z22Z22
F2F2
MO
V1
MO
V1
D1D1
OPEN
SINGLE BUTTON
RESET
STOP
CHGR
CHGR
OVLD
OVLD
OVLD
COM
COM
D129
D129
Z4
Z4
D2
D2
C11C11
C13
C13
D16D16
F9F9
K1K1
F3
F3
K3K3
K4K4
F1
F1
Z12
Z12
GATE 2
GATE 2
GATE 1
GR
GR
WH
WH
YL
YL
BL
BL
RD
RD
BR
BR
GR
GR
WH
WH
YL
YL
BL
BL
RD
RD
BR
BR
F7
F7
24V
24V
CTRL
CTRL
OVLD
OVLD
OVLD
TIMER
TIMER
RUNNING
RUNNING
GATE 2
GATE 2
SET
SET
OPEN
OPEN
LIMIT
LIMIT
LIMIT
SET
SET
CLOSE
CLOSE
LIMIT
LIMIT
LEARN
LEARN
LIMITS
LIMITS
LIMITS
GATE 1
GATE 1
LEARN
LEARN
XMITTER
XMITTER
LOCK /
LOCK /
ON
ON
OFF
OFF
C69C69
PWR
PWR
AC PWR
AC PWR
/SOLAR
/SOLAR
/SOLAR
R329R329
R27R27
MO
V2
MO
V2
R4R4
C2C2
BIPART DELAY
BIPART DELAY
LOCK
Q9Q
9
R9
R9Ø
F8
F8
C73
C73
C72
C72
C71
C71
C7
C7Ø
R42
R42Ø
R423
R423
R423
J24 J23 3J24
J23
3
Ø
A 32VA
32V
3 3
Ø
A 32VA
32V
J21J21
3030
3030
C64C64
R22
R22
U2
U2
K6
K6
JU1JU1
JU1JU1
JU2
JU2
DB1
DB1
R184
R184
ALARM
18
18
K2K2
Z22Z
22
F2F
2
MO
V1
MO
V1
D1D1
D129
D129
Z4
Z4
D2
D2
C11C
11
C13
C13
D16D
16
F9F9
K1K
1
F3
F3
K3K
3
K4K
4
F1
F1
Z12
Z12
GATE 2
GATE 2
GR
GR
WH
WH
YL
YL
BL
BL
RD
RD
BR
BR
F7
F7
24V
24V
GATE 2
GATE 2
SET
SET
OPEN
OPEN
LIMIT
LIMIT
LIMIT
SET
SET
CLOSE
CLOSE
LIMIT
LIMIT
LEARN
LEARN
LIMITS
LIMITS
LIMITS
GATE 1
GATE 1
C69C69
R329R329
R27R
27
MO
V2
MO
V2
R4R
4
C2C
2
Q9Q9
R9
R9Ø
F8
F8
C73
C73
C72
C72
C71
C71
C7
C7Ø
R42
R42Ø
R423
R423
R423
J24 J23 3J24
J23
3
Ø
A 32VA
32V
3 3
Ø
A 32VA
3
2V
J21J21
3030
3030
C64C64
R22
R22
U2
U2
K6
K6
JU1JU
1
1
JU2
JU2
DB1
DB1
18
L1
K2
Z22
F2
MO
V1
D1
CHGR
OVLD
OVLD
D129
Z4
D2
C11
C13
D16
F9
K1
F3
K3
K4
F1
Z12
GATE 2
GR
WH
YL
BL
RD
BR
GR
WH
YL
BL
RD
BR
F7
24V
CTRL
OVLD
OVLD
TIMER
RUNNING
GATE 2
SET
OPEN
LIMIT
LIMIT
SET
CLOSE
LIMIT
LEARN
LIMITS
LIMITS
GATE 1
LEARN
XMITTER
LOCK /
ON
OFF
C69
PWR
AC PWR
/SOLAR
/SOLAR
R32
9
R27
MO
V2
R4
C2
BIPART DELAY
Q
9
R9Ø
F8
C73
C72
C71
C7Ø
R42Ø
R423
R423
J24
J23
3
Ø
A
32V
3
Ø
A
32V
J21
30
30
C64
R22
U2
K6
JU1
JU1
JU2
DB1
R184
18
K2
Z
22
F
2
MO
V1
D1
D129
Z4
D2
C
11
C13
D
16
F9
K
1
F3
K
3
K
4
F1
Z12
GATE 2
GR
WH
YL
BL
RD
BR
F7
24V
GATE 2
SET
OPEN
LIMIT
LIMIT
SET
CLOSE
LIMIT
LEARN
LIMITS
LIMITS
GATE 1
C69
R329
R
27
MO
V2
R
4
C
2
Q9
R9Ø
F8
C73
C72
C71
C7Ø
R42Ø
R423
R423
J24
J23
3
Ø
A
32
V
3
Ø
A
3
2V
J21
30
30
C64
R22
U2
K6
JU
1
1
JU2
DB1
18
L1
K2
Z22
F2
MO
V1
D1
CHGR
OVLD
OVLD
D129
Z4
D2
C11
C13
D16
F9
K1
F3
K3
K4
F1
Z12
GATE 2
GR
WH
YL
BL
RD
BR
GR
WH
YL
BL
RD
BR
F7
24V
CTRL
OVLD
OVLD
TIMER
RUNNING
GATE 2
SET
OPEN
LIMIT
LIMIT
SET
CLOSE
LIMIT
LEARN
LIMITS
LIMITS
GATE 1
LEARN
XMITTER
LOCK /
ON
OFF
C69
PWR
AC PWR
/SOLAR
/SOLAR
R32
9
R27
MO
V2
R4
C2
BIPART DELAY
Q
9
R9Ø
F8
C73
C72
C71
C7Ø
R42Ø
R423
R423
J24
J23
3
Ø
A
32V
3
Ø
A
32V
J21
30
30
C64
R22
U2
K6
JU1
JU1
JU2
DB1
R184
18
K2
Z
22
F
2
MO
V1
D1
D129
Z4
D2
C
11
C13
D
16
F9
K
1
F3
K
3
K
4
F1
Z12
GATE 2
GR
WH
YL
BL
RD
BR
F7
24V
GATE 2
SET
OPEN
LIMIT
LIMIT
SET
CLOSE
LIMIT
LEARN
LIMITS
LIMITS
GATE 1
C69
R329
R
27
MO
V2
R
4
C
2
Q9
R9Ø
F8
C73
C72
C71
C7Ø
R42Ø
R423
R423
J24
J23
3
Ø
A
32
V
3
Ø
A
3
2V
J21
30
30
C64
R22
U2
K6
JU
1
1
JU2
DB1
18
L1
K2
Z22
F2
MO
V1
D1
CHGR
OVLD
OVLD
D129
Z4
D2
C11
C13
D16
F9
K1
F3
K3
K4
F1
Z12
GATE 2
GR
WH
YL
BL
RD
BR
GR
WH
YL
BL
RD
BR
F7
24V
CTRL
OVLD
OVLD
TIMER
RUNNING
GATE 2
SET
OPEN
LIMIT
LIMIT
SET
CLOSE
LIMIT
LEARN
LIMITS
LIMITS
GATE 1
LEARN
XMITTER
LOCK /
ON
OFF
C69
PWR
AC PWR
/SOLAR
/SOLAR
R32
9
R27
MO
V2
R4
C2
BIPART DELAY
Q
9
R9Ø
F8
C73
C72
C71
C7Ø
R42Ø
R423
R423
J24
J23
3
Ø
A 32V
3
Ø
A 32V
J21
30
30
C64
R22
U2
K6
JU1
JU1
JU2
DB1
R184
18
K2
Z
22
F
2
MO
V1
D1
D129
Z4
D2
C
11
C13
D
16
F9
K
1
F3
K
3
K
4
F1
Z12
GATE 2
GR
WH
YL
BL
RD
BR
F7
24V
GATE 2
SET
OPEN
LIMIT
LIMIT
SET
CLOSE
LIMIT
LEARN
LIMITS
LIMITS
GATE 1
C69
R329
R
27
MO
V2
R
4
C
2
Q9
R9Ø
F8
C73
C72
C71
C7Ø
R42Ø
R423
R423
J24
J23
3
Ø
A
32
V
3
Ø
A
3
2V
J21
30
30
C64
R22
U2
K6
JU
1
1
JU2
DB1
Coaxial
Connector
Screws
Control Board
Reset Button
Connections
Screws
Screws
Screws
Alarm
Select Mounting Holes
Select holes to be used for mounting and knock out using a
screwdriver and hammer.
Select holes to be used for mounting and knock out using a
screwdriver and hammer.
Knock Outs
Knock Outs
Knock Outs
Knock Outs
Knock Outs
19
Installation