Chamberlain LiftMaster LA412 Owner's Manual page 22

3
CONNECT THE OPERATOR TO THE CONTROL BOARD
Extend the operator cable and wires to the Gate 1 connector and connect as shown. Tighten watertight connector
nut.
If installing one operator, proceed to page 27.
If installing two operators, continue to the next page.
Wiring
NC
Z1
10A 32V
GATE 1
U4
BRN
D1Ø
GRN
WHT
YEL MAX
C13 C4
BLU
F6
F2
FUSE
RED OPEN
Z12
R9Ø
ACCESSORY
POWER
R223
CLOSE
EDGE
K6
ALARM
R2Ø7
NO
Z2 Ø
C R227
K5
MAGLOCK OPEN EDGE/
PHO T O
NO
L1
C R224
U4 Z22
NC R92
R2 ON OFF
MAGLOCK Z9
LEARN
Z1
R1 XMITTER OPEN
PHO T O
10A 32V
GATE 1
F3 R91
BRN
D1Ø R94
GRN K2
Z8
WHT
DIAGNOSTIC CLOSE
PHO T O
YEL
R93
BLU GATE 1
RED
SET SET
K1 Q9 LEARN
Z12 OPEN CLOSE
LIMITS
LIMIT LIMIT
TIMER
ACCESSORY R9Ø GATE 2
RUNNING COM
POWER
OVLD
CONTROL
24V TIMER TO INPUTS
R1Ø1 FORCE CLOSE
OPEN
BRN R1ØØ
SINGLE BUTTON
F4
GRN
ACCESSORY RESET
10A 32V
OVLD
WHT
STOP
K4
YEL OFF MAX
COM
F5
BLU COM
D21
R35 POWER
RED
K3 D9
GATE 2 D8 C12
D27 Z3 F7
LOOP
INPUTS
Z4 C13
Q22 D22 C4
SHADOW
U3
INTERRUPT
C11
D15 CHGR COM
R4 C2 R196 OVLD
F6
24 VAC/ F2
F1 20A 32V
SOLAR
INPUT
MOV2
J4 R9 D4
MOV1
C64 D1 FUSE
BATT 2 BATT 1
JMPR2 JMPR1 OPEN
D2
U2
DB1
Operator Cable
Watertight Connector Nut
22
a u se
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ing ga te
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e ga r ve se pa
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pla y nc e us t
en tra s m
Th is
str ian
Pe de
Operator Cable
Terminal blocks
can be removed
to simplify wiring.