Instructions / Assembly

Product Usage
The Mighty Mule Gate Operator meets all of the safety requirements of a Class I Residential Vehicular Gate Operator and is intended for use solely
with vehicular swing gates in single-family residential applications that meet the Class I category listed in the table below.
Residential Vehicular Gate Operator-Class I:
A vehicular gate operator (or system) intended for
use in garages or parking areas associated with a
residence of one-to-four single families.
Commercial/General Access Vehicular Gate
Operator-Class II:
A vehicular gate operator (or system) intended for
use in a commercial location or building such as a
multi-family housing unit (ve or more single family
units), hotel, garages, retail store, or other buildings
accessible by or servicing the general public.
Industrial/Limited Access Vehicular Gate Operator–Class III:
A vehicular gate operator (or system) intended for use in an industrial
location or building such as a factory or loading dock area or other
locations not accessible by or intended to service the general public.
Restricted Access Vehicular Gate Operator – Class IV:
A vehicular gate operator (or system) intended for use in an industrial
location or building such as a factory or loading dock area or other
locations not accessible by or intended to service the general public.
Vehicular Gate Operator Class Categories
WARNING
This equipment meets Underwriters Laboratory Standard 325 (UL 325). However, gate equipment has
hazards associated with its use and therefore by installing this product the installer and user accept
full responsibility for following and noting the installation and safety instructions. Failure to follow
installation and safety instructions can result in hazards developing due to improper assembly. You agree
to properly install this product and that if you fail to do so Nortek Security and Control, LLC, shall in
no event be liable for direct, indirect, incidental, special or consequential damages or loss of prots
whether based in contract tort or any other legal theory during the course of the warranty or at any time
thereafter. The installer and/or user agree to assume responsibility for all liability and use of this product
releasing Nortek Security and Control, LLC, from any and all liability. If you are not in agreement with
this disclaimer or do not feel capable of properly following all installation and safety instructions you may
return this product for full replacement value.
READ ALL INSTRUCTIONS CAREFULLY AND COMPLETELY before attempting to install and
use this automatic gate operator. This gate operator produces a high level of force. Stay clear of the unit
while it is operating and exercise caution at all times.
ALL AUTOMATIC GATE OPERATORS ARE INTENDED FOR USE ON VEHICULAR GATES ONLY.
Table of Contents
Please Read This First! .......................................................................................................................... ii
Important Safety Information ................................................................................................................ iii
Manually Opening and Closing Gate ................................................................................................................................................ iii
For the Installer and End User .......................................................................................................................................................... iv
Installing Warning Signs and Pedestrian Gates ...............................................................................................................................viii
Required Safety Precautions for Gates ............................................................................................................................................. ix
Technical Specications ........................................................................................................................ x
Mighty Mule 371W/372W Gate Opener ............................................................................................................................................. x
Powering Options ............................................................................................................................................................................ xi
Solar Panel and Gate Activity Chart .................................................................................................................................................. xi
Before You Begin ................................................................................................................................... xi
Check Existing Gate Size and Material ............................................................................................................................................ xii
IMPORTANT: Check for Proper Gate Installation ............................................................................................................................... xii
Items Included for Primary Gate Opener Installation (MM371W) ...................................................................................................... xiii
Items Included for Secondary Opener Installation (MM372W) .........................................................................................................xiii
Tools Needed .................................................................................................................................................................................xiv
Items Not Included .........................................................................................................................................................................xiv
Check Direction of Gate Swing .......................................................................................................................................................xiv
Mechanical Installation .......................................................................................................................... 1
Assessing the Gate for Installation ...................................................................................................................................................1
Pull-to-Open Operator Mounting
(
Most Common
) .............................................................................................................................2
Installing the Closed Position Stop Plate / Pull-to-Open .....................................................................................................................7
Push-to-Open Operator Mounting .....................................................................................................................................................8
Installing the Closed Position Stop Plate / Push-to-Open .................................................................................................................13
Control Box Installation ...................................................................................................................................................................14
Connecting the Operator(s) and battery .........................................................................................................................................15
Connecting the Operator(s) and battery .........................................................................................................................................16
Transformer or Solar panel wiring Installation .................................................................................................................................17
Transformer or Solar panel wiring Installation .................................................................................................................................18
Transformer or Solar panel wiring Installation .................................................................................................................................19
Electrical Installation and Setup .......................................................................................................... 19
Dip Switches settings .....................................................................................................................................................................19
Transmitter Programming ...............................................................................................................................................................20
Operator Limit Setting ....................................................................................................................................................................21
Auto Close Setting ..........................................................................................................................................................................22
Optional Smart Control Setup .............................................................................................................. 22
Connecting Additional Devices ........................................................................................................... 23
Control Board Connections .............................................................................................................................................................24
Connecting Accessories .................................................................................................................................................................25
Troubleshooting Guide - Audible Feedback ....................................................................................... 26
Maintenance ......................................................................................................................................... 26
Troubleshooting Guide - Visual Feedback .......................................................................................... 28
For Your Records .................................................................................................................................. 30
Repair Service ...................................................................................................................................... 31
Accessories .......................................................................................................................................... 32
Appendix A ........................................................................................................................................ 34
Accessory Installation Instructions ..................................................................................................................................................34
Gate Operator Installation Checklist ................................................................................................... 35