DUAL GATES ONLY. LiftMaster LA400 DCS, LA400 DC, LA400 PKGU, LA400 1PKG Residential DC Linear Gate Operator
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INSTALLATION
STEP 8
DUAL GATES ONLY
There are two options for dual gate communication: wired or wireless. Follow the directions according to your application. Do not use wired and
wireless communication simultaneously. Wired dual gate applications will have a longer battery standby time than wireless applications. Wireless dual gates will require the installation of two control boxes, one for each operator arm.
WIRELESS DUAL GATES
INSTALL A SECOND OPERATOR ARM AND CONTROL
BOX
Install a second operator arm and control box by following installation steps 1-7.
TO ACTIVATE THE WIRELESS FEATURE
1. Choose a control box to be the network primary operator. All wireless accessories will need to be programmed to the primary control board.
NOTE: We recommend that all accessories and board configurations are set on the primary control board.
2. Press and release the LEARN button on the primary control board.
The green XMITTER LED will light. NOTE: The operator will time out of programming mode after 180 seconds.
3. Press and release the LEARN button again on the primary control board. The yellow NETWORK LED will light.
4. Press and release the OPEN test button to assign this operator as network primary.
5. Press and release the LEARN button on the secondary control board.
The green XMITTER LED will light.
6. Press and release the LEARN button again on the secondary control board. The yellow NETWORK LED will light.
7. Press and release the CLOSE test button to assign this operator as network secondary.
Both operators will beep and the yellow NETWORK LEDs will turn off indicating programming is successful.
TO DEACTIVATE THE WIRELESS FEATURE:
1. Press and release the LEARN button on either control board. The green XMITTER LED will light.
2. Press and release the LEARN button again on the same control board.
The yellow NETWORK LED will light.
3. Press and hold the LEARN button for 5 seconds. The yellow
NETWORK LED will blink (operator will beep) then turn off indicating successful deactivation.
Repeat the steps for the other control board.
DIAGNOSTICS
17
INSTALLATION
STEP 8 continued...
DUAL GATES ONLY
WIRED DUAL GATES
INSTALL A SECOND OPERATOR ARM
Install a second operator arm by following installation steps 1-4.
Operator
Cable
INSTALL THE EXTENSION CABLE AND JUNCTION
BOX
Before digging, contact local underground utility locating companies.
1. Trench across driveway to bury the extension cable. Use PVC conduit to prevent damage to cables.
2. Open the junction box by removing screws (4) and set aside.
3. Select holes to be used for mounting and knock out using a screwdriver and hammer. Drill two holes in the bottom of the junction box large enough for the watertight connectors.
4. Mount the junction box within 3 feet (0.9 m) of second operator.
5. Route operator cable and extension cable through watertight connector nut and watertight connector.
6. Insert the cables and watertight connectors into the holes in the bottom of the junction box.
7. Slide the connector nut onto the operator cable and extension cable.
8. Connect the wires from extension cable and operator cable to the terminal block connector as shown (like-colored wires must face each other).
9. Put wires inside of junction box.
10. Secure operator and extension cables by tightening the connector nut.
11. Reinstall cover.
Connector Nut
Watertight
Connector
Connector Nut
Mounting Slot
Brown
Green
White
Yellow
Blue
Red
Terminal Block
Brown
Green
White
Yellow
Blue
Red
Operator
Cable Extension
Cable
Within 3' (0.9 m)
Extension
Cable
PVC Conduit
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INSTALLATION
STEP 8 continued...
DUAL GATES ONLY
WIRED DUAL GATES
WIRE THE SECONDARY OPERATOR ARM TO THE
CONTROL BOARD
Watertight
Connector
1. Choose a knockout in the bottom of the control box.
2. Insert the extension cable through the watertight connector.
3. Insert the extension cable and watertight connector into the knockout.
4. Slide the connector nut onto the operator cable.
5. Connect the extension cable wires to the connector according to the colored label on the connector (white to white, red to red, etc.).
6. Plug the connector into the GATE 2 terminal on the control board as shown.
7. Tighten the connector nut.
Connector Nut
Extension Cable
(Control Board)
Primary Operator
Connector
Secondary Operator
SET THE BIPART DELAY (SINGLE CONTROL BOX)
Occasionally in dual gate installations, one gate will need to open first and close second. This would happen if there was an ornamental overhang on one gate or if using a solenoid lock, for example. This gate is called the
Primary gate and needs to be connected to Gate 1 connections on the control board. Thus, it is preferred that the control box be installed on the same side as this gate. If there is no appropriate location on that side for the control box, then mount the control box on the opposite side, but connect the operator closest to the control box to the Gate 2 connector and the operator on the opposite side to the Gate 1 connector.
1. The BIPART DELAY switch on the control board needs to be set to the ON position.
The following illustration shows a dual gate configuration with a decorative overlapping piece on the outside of the gate.
Primary Gate
OUTSIDE PROPERTY
Primary Gate - Connect to Gate 1 Connector on Control Board.
SET THE BIPART DELAY (DUAL CONTROL BOX)
BIPART DELAY/SYNCHRONIZED CLOSE
The LOCK/BIPART DELAY switch is used with dual control box applications and serves two functions:
• BIPART DELAY: The BIPART DELAY is used in applications where a mag-lock, solenoid lock, or decorative overlay would require one gate to close before the other. The control box with the LOCK/BIPART
DELAY switch ON will delay from the close limit when opening and be the first to close from the open limit.
• SYNCHRONIZED CLOSE: The BIPART DELAY is also used in applications where one gate travels a longer distance than the other.
To synchronize the closing of the gates, set the LOCK/BIPART DELAY switch to ON for both control boxes.
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DIAGNOSTICS
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