LiftMaster LA400 Residential DC Linear Gate Operator User Manual
Page 2
IMPORTANT NOTE
• BEFORE attempting to install, operate or maintain the operator, you must read
and fully understand this manual and follow all safety instructions.
• DO NOT attempt repair or service of your gate operator unless you are an
Authorized Service Technician.
When you see these Safety Symbols and Signal Words on the following pages, they
will alert you to the possibility of Serious Injury or Death if you do not comply
with the warnings that accompany them. The hazard may come from something
mechanical or from electric shock. Read the warnings carefully.
When you see this Signal Word on the following pages, it will alert you to the
possibility of damage to your gate and/or the gate operator if you do not comply
with the cautionary statements that accompany it. Read them carefully.
MECHANICAL
ELECTRICAL
SAFETY
» SAFETY SYMBOL AND SIGNAL WORD REVIEW
TABLE OF CONTENTS
SAFETY 1-6
Safety Symbol and Signal Word Review
1
UL325 Model Classifications
2
Safety Installation Information
3
Gate Construction Information
4
Important Safety Information
5-6
INTRODUCTION 7-8
Operator Specifications
7
Carton Inventory
7
Additional Items Needed for Installation
8
Tools Needed
8
INSTALLATION 9-21
Overview of Typical Installation
9-10
Check Your Gate
11
Mounting Options
11
Manual Release
12
Determine Position of the Pull-to-Open Bracket
12
Determine Position of the "Optional" Push-to-Open Bracket
12
Assemble Gate Post Bracket (Pull-to-Open)
13
Attach Brackets to Gate Operator
13
Determine Mounting Location
14
Measuring and Marking for the Gate Bracket
14
Position Gate Operator on Gate
15
Test Gate Travel
16
Secure Post Bracket to Gate Post
16
Secure Gate Bracket to Gate
17
Warning Sign Placement
17
Standard Control Box
18-19
Large Metal Control Box (XLM)
20-21
WIRING 22-28
Connect the Gate Operator (Gate 1) to the Control Box
22
Set the Bipart Delay (Model LA400-S Only)
23
Connect the Gate Operator (Gate 2) to the Control Box (Model LA400-S Only)
24
Junction Box (Model LA400-S Only)
25-26
Connect Transformer to Control Board
27
Earth Ground Rod Installation (Optional)
28
Connect Batteries
28
ADJUSTMENT 29-33
Set DIP Switch
29
Limits 30-32
Force Adjustment
33
Timer-to-Close 33
PROGRAMMING 34
Remote Controls
34
Keyless Entry
34
Erase All Codes
34
Test 34
ADDITIONAL FEATURES
35-38
DIP Switch Settings
35
Control Inputs
36
Loop Inputs
37
Photo/Edge Inputs (P6-7-8 and 9)
37
Safety Accessories for Secondary Entrapment Protection
38
OPERATION AND MAINTENANCE
39-40
Reset Button
39
Remote Control
39
Manual Release
39
Maintenance 40
TROUBLESHOOTING 41-43
Basic Control Board Layout
41
Wiring Diagram
42
Diagnostic Codes
42
Troubleshooting Chart
43
REPAIR PARTS
44-45
Control Box
44
Gate Operator Arm
44
How to Order Repair Parts
45
WARRANTY POLICY
45
ACCESSORIES
46
TEMPLATE BACK
COVER
1