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®

GATE LOCK 

MODEL 915GA

BEFORE STARTING

Read and follow all instructions. Check the carton inventory.

Mounting hardware is not provided. Refer to a local hardware store for 
necessary mounting hardware.

•   The gate lock is designed to use 5/16" diameter mounting hardware.

•   For tubular gates, the following items are needed: carriage bolts, 

washers, and nuts.

•   For chain link gates, the following items will be needed: U-bolts, 

carriage bolts, washers, and nuts.

Ensure that the gate closes properly. When the gate lock and gate bracket 
are properly aligned, the gate lock will latch onto the gate bracket pin.

NOTE:

 

Some installations may require the gate bracket to be recessed in 

the mounting post so the bracket and lock will be flush and lock properly. 
Instead of recessing the gate bracket, a spacer may be added between the 
gate lock and the gate.

Size the spacer before attempting to mount the gate lock. If installing the 
gate lock on a Push-to-Open gate, the gate lock must be installed on the 
opposite side of the gate.

PULL-TO-OPEN GATE

PUSH-TO-OPEN GATE

Gate Bracket Pin

Cotter Pin

Gate Bracket

Gate Lock

Washer

Keys (2)

Cable Ties (6)

Watertight Connector (1)

CARTON INVENTORY

To avoid SERIOUS personal INJURY or DEATH from electrocution:
 •  Disconnect ALL electric and battery power BEFORE performing 

ANY service or maintenance.

 •  This device is for use ONLY with Chamberlain

®

 gate operator 

models GA400D and GA420D. 

 •  Read and follow ALL instructions.
 •  Have gate in full closed position BEFORE installing the gate lock.

ATTENTION

AVERTISSEMENT

AVERTISSEMENT

AVERTISSEMENT

WARNING

CAUTION

WARNING

WARNING

WARNING

PRECAUCIÓN

ADVERTENCIA

ADVERTENCIA

ADVERTENCIA

The 915GA Automatic Gate Lock is compatible with Chamberlain

®

 Gate 

Access Systems GA400D and GA420D. The purpose of the automatic 
gate lock is to securely lock the gate in the closed position.

1

Gate bracket must be 

recessed so that the

gate lock sits flush.

Mounting Post

Label (1)

Spacer

Open

Spacer

Mated Lock 
and Bracket

Gate Bracket

Summary of Contents for 915GA

Page 1: ... lock If installing the gate lock on a Push to Open gate the gate lock must be installed on the opposite side of the gate PULL TO OPEN GATE PUSH TO OPEN GATE Gate Bracket Pin Cotter Pin Gate Bracket Gate Lock Washer Keys 2 Cable Ties 6 Watertight Connector 1 CARTON INVENTORY To avoid SERIOUS personal INJURY or DEATH from electrocution Disconnect ALL electric and battery power BEFORE performing ANY...

Page 2: ...2 Q22 F3 F3 K3 K3 K4 K4 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 C69 ...

Page 3: ...in Carriage Bolts Nuts Washers Washer Cotter Pin Gate Bracket Pin Washer Cotter Pin NOTE For chain link and other fencing additional reinforcement may be needed to properly support the gate lock see below 5 Mount the gate bracket using hardware not provided Hand tighten the nuts 6 Insert the gate bracket pin through the gate bracket 8 Mount the gate lock using hardware not provided 7 Slide the was...

Page 4: ...trol box by loosening the four screws 2 Run the wire back to the control box Use the cable ties to secure the wire to the gate NOTE Make sure that the gate does not pinch bind or rub the wire Make sure that the wire does not sag or touch the ground Never run the wire along the bottom edge of the gate between the gate and the ground 3 Feed the wire into the control box through an available knockout...

Page 5: ...RED BRN GRN WHT YEL BLU RED BRN F4 10A 32V F7 24V COM OVLD TIMER RUNNING GATE 2 SET OPEN LIMIT SET CLOSE LIMIT LEARN LIMITS DIAGNOSTIC GATE 1 J4 LEARN XMITTER MAGLOCK ON OFF C71 C7Ø ON OFF LOCK BIPART DELAY Z22 R91 CLOSE EDGE R94 R92 R93 L1 R1 R2 Z1 K5 K6 K2 F3 10A 32V D1Ø OPEN EDGE PHOTO OPEN PHOTO CLOSE PHOTO R227 R2Ø7 Z2Ø R223 P1 Z9 Z8 F2 F6 D4 D2 R9 C64 JMPR1 R224 U4 CONTROL INPUTS FORCE TIMER...

Page 6: ... 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 C69 C69 OFF OFF MAX MAX J2 J2Ø PWR PWR AC PWR AC PWR SOLAR SOLAR D8 D8 D4 D4 R9 R9 R329 R329 R27 R27 BIPART DELAY BIPART DELAY LOCK LOCK GND GND Z1 Z1 ...

Page 7: ...C72 C71 C7Ø PROGRAMMING Reprogram Limits 1 Press the LEARN LIMITS button 2 The SET OPEN LIMIT LED will blink 3 Use the GATE 1 buttons to move gate 1 to the desired open position Repeat if gate 2 is present using GATE 2 buttons 4 Press the LEARN LIMITS button to set the open limit for gate s 5 The SET OPEN LIMIT LED will turn off The SET CLOSE LIMIT LED will blink 6 Use the GATE 1 buttons to move g...

Page 8: ...e gate when manually opening the gate lock The gate lock does not activate fast enough to release the bracket pin in order to allow the gate to open 1 The gate may be moving too quickly for the gate lock to properly activate Set the Lock Bipart delay to the ON position 2 The gate bracket pin may be binding and preventing the lock from properly sliding Verify that the bracket and gate lock are prop...

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