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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

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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

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