Mount The Control Box - Chamberlain LiftMaster LA412 Owner's 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.
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.
Select Mounting Holes
Select holes to be used for mounting and knock out using a
screwdriver and hammer.
Screws (4)
Alarm
L1
ON OFF
LEARN LOCK /
XMITTER
BIPART DELAY
C7Ø C7Ø
BR C71 C71
C72 C72
GR
C73 C73
WH
18 18
YL
BL GATE 1 GATE 1
RD
SET SET SET SET
LEARN LEARN
F8 F8 OPEN OPEN CLOSE CLOSE
LIMITS LIMITS
LIMIT LIMIT LIMIT LIMIT
Z12 Z12
TIMER
GATE 2 GATE 2 CTRL PWR
RUNNING
OVLD
24V 24V
R9Ø R9Ø
BR
BR
GR GR
WH
WH
YL
YL
BL BL
RD R184
RD
GATE 2 F7 F7
GATE 2 Z4
Z4
D2 C13
D2 C13
D129
D129
CHGR
R42Ø OVLD
R42Ø
R423
R423
F3
F1 F3 AC PWR
F1
/SOLAR
K6
K6
U2 R22 JU2
R22 JU2
U2 DB1
DB1
L1
ON
LEARN LOCK /
XMITTER
BIPART DELAY
C7Ø C7Ø
BR C71 C71
C72 C72
GR C73 C73
WH
YL
BL
RD
SET SET
F8 F8 OPEN OPEN CLOSE CLOSE
LIMIT LIMIT
Z12 Z12
24V 24V R9Ø
R9Ø
BR
BR
GR GR
WH WH
YL
YL
BL BL
RD
RD
GATE 2
GATE 2
F1 F3
F1 F3
U2 R22
U2 R22 DB1
DB1
19
Screws
ALARM
L1 L1
LOCK
LEARN LEARN
XMITTER XMITTER
GATE 1
BR BR
GR GR
WH WH
YL YL
BL BL
RD RD
SET SET SET SET
F8 F8 F8 F8 OPEN OPEN
OPEN OPEN
LIMIT LIMIT LIMIT LIMIT
Z12 Z12
Z12 Z12
24V 24V
24V 24V R9 R9Ø
R9 R9Ø
BR BR BR BR
GR GR
GR GR
WH WH WH WH
YL YL
YL YL
BL BL
BL BL
RD RD
RD RD
GATE 2 GATE 2
GATE 2 GATE 2
F1 F1 F3 F3
F3 F3
F1 F1
U2 U2
U2 U2
Screws
Knock Outs
Knock Outs
OFF
18 18
GATE 1 GATE 1
SET SET
LEARN LEARN
LIMITS LIMITS
LIMIT LIMIT
TIMER
GATE 2 GATE 2 CTRL PWR
RUNNING
OVLD
R184
F7 F7
Z4
Z4
D2 C13 C13
D2
D129
D129
CHGR
R42Ø OVLD
R42Ø
R423
R423
AC PWR
/SOLAR
K6
K6
JU2
JU2
Coaxial
Connector
Screws
Control Board
ON ON OFF OFF
LOCK / LOCK /
BIPART DELAY BIPART DELAY
C7Ø C7Ø C7 C7
C71 C71 C71 C71
C72 C72 C72 C72
C73 C73 C73 C73
18 18 18 18
GATE 1 GATE 1 GATE 1 GATE 1
SET SET SET SET
LEARN LEARN LEARN LEARN
CLOSE CLOSE
CLOSE CLOSE LIMITS LIMITS
LIMITS LIMITS
LIMIT LIMIT LIMIT LIMIT
TIMER TIMER
GATE 2 GATE 2 CTRL CTRL PWR PWR
GATE 2 GATE 2
RUNNING RUNNING
OVLD OVLD
OPEN
SINGLE BUTTON
RESET
STOP
COM
COM
R184 R184
F7 F7
F7 F7 Reset Button
Z4 Z4
Z4 Z4
C13 C13
D2 D2 C13 C13
D2 D2
D129 D129
D129 D129
Connections
CHGR CHGR
OVLD OVLD
R42 R42Ø
R42Ø R42
R423 R423
R423 R423
AC PWR AC PWR
/SOLAR /SOLAR
K6 K6
K6 K6
JU2 JU2
R22 R22
R22 R22 JU2 JU2
DB1 DB1
DB1 DB1
Screws
Knock Outs
Knock Outs
Knock Outs
L1
ON OFF
LEARN LOCK /
XMITTER
BIPART DELAY
C7Ø C7Ø
BR C71 C71
C72 C72
GR
C73 C73
WH
18 18 Installation
YL
BL GATE 1 GATE 1
RD
SET SET SET SET
LEARN LEARN
F8 F8 OPEN OPEN CLOSE CLOSE
LIMITS LIMITS
LIMIT LIMIT LIMIT LIMIT
Z12 Z12
TIMER
GATE 2 GATE 2 CTRL PWR
RUNNING
OVLD
24V 24V
R9Ø R9Ø
BR
BR
GR GR
WH
WH
YL