LiftMaster LA400DC LA400DC Owner's Manual - Page 17
Installation, Post Mount, Large Metal Control Box Xlsolarcontdc, Wall Or Column Mount
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INSTALLATION STEP 5 continued... INSTALL THE CONTROL BOX LARGE METAL CONTROL BOX (XLSOLARCONTDC) The control box MUST be mounted within 5 feet (1.52 m) of the gate operator. Mount the control box as high as possible for best radio reception. Make sure the control box is level. WALL OR COLUMN MOUNT 1. Open the control box. The control box door may be removed by opening the door 90°. Lift the door from the hinges and set aside until the installation is complete. 2. Use knock outs located at the 4 corners of the control box and knock out using a screwdriver and hammer. 3. Secure the control box to mounting surface using the provided screws (4). WALL OR COLUMN MOUNT POST MOUNT NOTE: The post mount option is not recommended for the 33AH battery application. 1. Open the control box. The control box door may be removed by opening the door 90°. Lift the door from the hinges and set aside until the installation is complete. 2. The control box can be mounted to a post with 'U' bolts (refer to chart). The knock out will accommodate a 3/8" diameter 'U' bolt. Select center mounting holes (top and bottom) and knock out using a screwdriver and hammer. 3. Secure the control box to mounting surface with U-bolts and rubber washers (not provided) to ensure a watertight seal. TYPE AND SIZE Standard 3" Round Pipe Standard 4" Square Post Standard 6" Square Post 'U' BOLT OPENING 3-1/2" 4" 6" POST MOUNT 15