1 connect indoor transformer to control board, Connect indoor transformer to control board, Wiring 30 – Chamberlain RESIDENTIAL GATE OPERATOR GA420D User Manual
Page 30: 5v common, Ctrl pwr
Wiring 30
18
18
R93
L1
L1
K2K2
Z22Z22
P1P1
F2F2
MO
V1
MO
V1
D1D1
Q12Q12
U4
U4
OFF
OFF
MAX
MAX
OPEN
SINGLE BUTTON
RESET
STOP
CHGR
OVLD
CTRL PWR
COM
D129
D129
Z4
Z4
U3U3
D2
D2
D44
D44
C11C11
C13
C13
C12C12
D16D16
F9F9
R1
R1Ø1
R1
R1ШШ
ШШ
Q22
Q22
F3
F3
K3K3
K4K4
R196
R196
F1
F1
GATE 2
GATE 2
GATE 1
GATE 1
GR
GR
WH
WH
YL
YL
BL
BL
RD
RD
BR
BR
F7
F7
24V
24V
CTRL
OVLD
TIMER
TIMER
RUNNING
RUNNING
GATE 2
GATE 2
SET
SET
OPEN
SET
SET
CLOSE
CLOSE
LIMIT
LIMIT
LEARN
LEARN
LIMITS
LIMITS
GATE 1
GATE 1
LOCK /
LOCK /
ON
ON
OFF
OFF
C69C69
OFF
OFF
MAX
MAX
J2J2
Ø
PWR
AC PWR
/SOLAR
D8D8
D4D4
R9R9
R329R329
R27R27
R4
C2C2
BIPART DELAY
BIPART DELAY
LOCK
LOCK
R9
R9Ø
Q6Q6
J19J19
R182
R182
C1Ш1
Ш1
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
R184
R184
MO
V1
MO
V1
CHGR
OVLD
AC PWR
/SOLAR
MO
V2
R4
C2
JU1
LE BUTTON
K2
K1K1
SET
OPEN
LIMIT
C73
C72
C71
DIAGNOSTIC
OPEN
SINGLE BUTTON
RESET
STOP
CTRL PWR
CTRL
OVLD
PWR
WR
Connect indoor Transformer to Control Board
Insert wires from the indoor transformer through the bottom of the control box. Connect wires from the indoor
transformer to AC PWR/SOLAR terminal located on the control board as shown. Plug indoor transformer into a
dedicated outlet. The DIAGNOSTIC LED will blink once every 10 seconds and the STOP LED will light up for 10
seconds.
NOTE: As an alternative to the supplied transformer, a UL listed 12 Volt, up to 30 Watt solar panel with Class 2
output may be used.
Control Box
PVC Conduit
Indoor Transformer
Indoor Transformer
Indoor Outlet
1
14.5V
Common