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Chamberlain LA412 User Manual

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8
CONNECT BATTERIES
The batteries are charged in circuit by using the solar 
panel (provided).
Locate the two white battery plugs on the left-hand 
side of the control box. Connect the plug from the 
battery to connector on the control board. 
NOTES: Batteries will degrade over time depending on 
temperature and usage. For best performance, the batteries 
should be changed every 3 years.
Batteries do not perform well in extremely cold 
temperatures.
To reduce the risk of FIRE or INJURY to persons use ONLY 
LiftMaster part 27-NP712 for replacement batteries.
18
18
R93
R93
L1
L1
D42
D42
K2K2
D1
D1Ø
Z22Z22
P1P1
F2F2
MO
V1
MO
V1
D1D1
Q12Q12
U4
U4
OFF
OFF
MAX
MAX
OPEN
OPEN
SINGLE BUTTON
SINGLE BUTTON
RESET
RESET
STOP
STOP
CHGR
CHGR
OVLD
OVLD
COM
COM
COM
COM
D129
D129
Z4
Z4
U3U
3
D2
D2
D44
D44
C11C11
C13
C13
C12C1
2
D16D16
F9F9
R1
R1Ø1
R1
R1ØØ
ØØ
K1K1
Q22
Q22
F3
F3
K3K3
K4K4
R196
R196
F1
F1
Z12
Z12
GATE 2
GATE 2
GATE 1
GATE 1
MAGR
MAGR
SOL
SOL
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
TIMER
TIMER
RUNNING
RUNNING
GATE 2
GATE 2
SET
SET
OPEN
OPEN
LIMIT
LIMIT
SET
SET
CLOSE
CLOSE
LIMIT
LIMIT
LEARN
LEARN
LIMITS
LIMITS
GATE 1
GATE 1
LEARN
LEARN
XMITTER
XMITTER
LOCK /
LOCK /
ON
ON
OFF
OFF
C69C6
9
OFF
OFF
MAX
MAX
J2J2
Ø
PWR
PWR
AC PWR
AC PWR
/SOLAR
/SOLAR
D8D8
D4D4
R9R9
R329R329
R27R27
MO
V2
MO
V2
R4R4
C2C2
BIPART DELAY
BIPART DELAY
LOCK
LOCK
GND
GND
Z1
Z1
R1
R1
R2
R2
K5K5
F12
F12
Q9Q9
R9
R9Ø
F8
F8
Q6Q6
Q1Q1
J19J19
R182
R182
C1
C1Ø1
Ø1
C75
C75
C73
C73
C72
C72
C71
C71
C7
C7Ø
C66
C66
C65
C65
C68C68
C33C33
F11F11
R186R186
R42
R42Ø
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
J18J18
K6
K6
JU1JU1
JU1JU1
JU2
JU2
DB1
DB1
D36
D36
R184
R184
Control Board
Battery Connection
Board Connectors
Battery Connectors
Solar Panel Installation 
32