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Nortek Security & Control Mighty Mule MM372W Installation Manual

For a single or dual gate installation
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Gate Swings Evenly and Freely
Post Bracket
Hung Firmly and Plumb
Secondary Opener
Power Cable
Fence Post Set in Concrete
This product meets the requirements of UL325 7th Edition, the standard for gate operator safety.
Mighty Mule
is the retail brand of Nortek Security and Control, LLC.
®
Copyright
©
2019 Nortek Security and Control, LLC.
Installation Manual
(For a single or dual gate installation)
Warning Sign
Gate Bracket
Horizontal Support
Horizontal Support
PVC conduit (not included)
to run second opener power
cable under driveway.
Dual gate installation MM372W]
Example of Dual Gate finished installation
(Installations vary slightly on different types of gates)
MM371W
MM372W
Single gate installation [MM371W]
Warning Sign
Primary Gate Opener
Gate Bracket
Fence Post Set in Concrete
PVC conduit (not included)
to protect wire from lawn
mowers and weed eaters.
Post Bracket
Control Box
120 Volt indoor
Transformer
(surge protector
not supplied)
12 Volt automotive or marine
type battery in weather proof
housing (not included).
Run 1000' (max.) of low
voltage wire to control
box from transformer
(wire not included).
10022114 A

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Summary of Contents for Nortek Security & Control Mighty Mule MM372W

  • Page 1 MM371W MM372W Installation Manual (For a single or dual gate installation) Single gate installation [MM371W] Post Bracket Gate Swings Evenly and Freely Post Bracket Control Box Hung Firmly and Plumb Warning Sign Warning Sign 120 Volt indoor Primary Gate Opener Secondary Opener Transformer Gate Bracket...
  • Page 2 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.

  • Page 3: Table Of Contents

    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 Specifications ........................

  • Page 4: Please Read This First

    Please Read This First! Thank you for purchasing a Mighty Mule Gate Operator— The Mighty Mule Gate Operator also has an adjustable Nortek Security and Control's "do-it-yourself" automatic auto-close feature. After the gate reaches the fully open gate operator! When correctly installed and properly used, position, it can be set to remain open up to 120 seconds your Mighty Mule Gate Operator will give you many years before automatically closing.
  • Page 5 Important Safety Information Because automatic gate operators produce high levels be completely exhaustive in nature. It does, however, of force, consumers need to know the potential hazards provide an overview of the safe design, installation, and associated with improperly designed, installed, and use of this product.

  • Page 6: Important Safety Information

    Important Safety Information FOR THE INSTALLER AND END USER WARNING To reduce the risk of injury or death: 6. KEEP GATES PROPERLY MAINTAINED. Read the user’s manual. Have 1. READ AND FOLLOW ALL INSTRUCTIONS. a qualified service person make repairs to gate hardware. 2.
  • Page 7 Important Safety Information FOR THE INSTALLER AND END USER Typical Entrapment Zones are shown in the diagrams on page Zone 1 – leading edge of the gate and the fence post. Zone 2 – between the gate and the gate post. Zone 3 –...
  • Page 8 Important Safety Information FOR THE INSTALLER AND END USER III. After Installation 11. IMPORTANT: Save these safety instructions. Make sure everyone who is using or will be around the gate and 1. Attach the warning signs (included) to each side of the gate operator are aware of the dangers associated gate to alert the public of automatic gate operation.
  • Page 9 Important Safety Information FOR THE INSTALLER AND END USER Mighty Mule gate operators utilize Dual Sense Technology One or more edge sensors may be located at the leading ™ entrapment protection. Dual Sense Technology is built edge, bottom edge, and post edge, both inside and outside ™...

  • Page 10: Installing Warning Signs And Pedestrian Gates

    Important Safety Information INSTALLING WARNING SIGNS AND PEDESTRIAN GATES Warning signs alert people of automatic gate operation and are required when installing Mighty Mule Automatic Gate Operators. A minimum of two WARNING SIGNS must be installed in the area of the gate. Each sign is to be visible by persons located on the side of the gate on which the placard is installed.

  • Page 11: Required Safety Precautions For Gates

    Important Safety Information REQUIRED SAFETY PRECAUTIONS FOR GATES These warning labels should be found at the locations specified below. If any of them are missing, immediately contact Nortek Security and Control for replacements. WARNING AVERTISSEMENT Moving gate can cause injury or death! 1.

  • Page 12: Technical Specifications

    Technical Specifications MIGHTY MULE 371W/372W GATE OPENER • Low friction screw drive (linear actuator) rated for -5 ºF to +160 ºF (-20 ºC to +71 ºC). • Opener length with push-pull tube fully retracted is 37.25", mounting point to mounting point. Maximum stroke is 17". •...

  • Page 13: Powering Options

    Before You Begin POWERING OPTIONS Determine Charging Option for Battery: Transformer OR Solar NEVER USE TRANSFORMER AND SOLAR PANEL(S) AT THE SAME TIME. It will damage the control board. IMPORTANT: ● The transformer is designed for indoor use. If the transformer can be plugged only into an outside electrical outlet, a weatherproof cover/housing (available at local electrical supply stores) must be used.

  • Page 14: Check Existing Gate Size And Material

    CHECK EXISTING GATE SIZE AND MATERIAL • Gate size: Up to 16 feet and up to 50 lbs. — See • Type of gate material: Vinyl, aluminum, chain link, Operational Capacity chart on page farm tube, wrought iron, wood. Not rated for use on solid surface gates. IMPORTANT: CHECK FOR PROPER GATE INSTALLATION ●...

  • Page 15: Items Included For Primary Gate Opener Installation (Mm371W)

    ITEMS INCLUDED FOR PRIMARY GATE OPENER INSTALLATION (MM371W) Transformer Operator Closed Position Stop Plate Literature kit with gate warning signs Gate Bracket Control Box, Antenna & Battery Harness Transmitter Post Brackets (2) Post Pivot Bracket 8” Nylon Cable Tie (10) 3/8”...

  • Page 16: Tools Needed

    TOOLS NEEDED 7/16” Bit Center Drill 1/2” Bit Punch 7/32” Bit Pliers Hammer 1/2” Hack Saw wrench Flat Head Screwdriver Philips Head Screwdriver 9/16” wrench Level Wire Small Tape Adjustable Clamps Stripper Flat Head Measure Wrench ITEMS NOT INCLUDED ● Low voltage wire will be needed to run from the ●...

  • Page 17: Mechanical Installation

    Mechanical Installation ASSESSING THE GATE FOR INSTALLATION Your gate operator can be mounted to a variety of gate types. This section shows some of the most common, along with the reinforcement methods recommended prior to or while mounting your gate operator. Reinforcing Gates for the Gate Brackets We recommend using a muffler clamp, wood, or metal, to reinforce thin-walled tube gates, or wood to reinforce panel gates as shown.

  • Page 18: Pull-To-Open Operator Mounting ( Most Common )

    PULL-TO-OPEN OPERATOR MOUNTING ( MOST COMMON ) Your Property Step 1 ● Assemble the gate post bracket sub assembly as displayed. Step 2 ● Attach the gate post bracket subassembly and gate bracket to the operator as shown. MM371W / MM372W Installation Instructions...
  • Page 19 PULL-TO-OPEN OPERATOR MOUNTING Your Property Step 3 ● With the gate in the OPEN position, use clamps to secure the operator to the gate post and center cross member of the gate. ● Ensure that the operator is level. ● With the operator arm temporarily secured to the gate, check to ensure there is at least 2 inches of clearance between...
  • Page 20 PULL-TO-OPEN OPERATOR MOUNTING Your Property Step 5 ● Open the gate and reattach the operator to the gate bracket. ● Ensure that the operator arm is level and the brackets are securely clamped. ● Secure the post pivot bracket in place by installing the hardware shown.
  • Page 21 PULL-TO-OPEN OPERATOR MOUNTING Your Property Step 8 ● Using a drill and 7/16” drill bit, drill the necessary holes to mount the gate post and gate brackets. Note: Some installations may require additional reinforcement be installed on the gate. Step 9 ●...
  • Page 22 PULL-TO-OPEN OPERATOR MOUNTING Your Property Step 10 ● Secure the gate bracket with the supplied hardware as shown. Step 11 ● Once the gate post and gate brackets are installed, reattached the operator arm. ● Ensure the operator arm is level, adjusting the post bracket location if necessary.

  • Page 23: Installing The Closed Position Stop Plate / Pull-To-Open

    INSTALLING THE CLOSED POSITION STOP PLATE / PULL-TO-OPEN Your Property Step 1 ● Remove the operator from the gate post and gate brackets. ● With the gate fully open, install the closed position stop plate (hardware not included). ● Do not fully tighten hardware until after the next step.

  • Page 24: Push-To-Open Operator Mounting

    PUSH-TO-OPEN OPERATOR MOUNTING Your Property Step 1 ● Assemble the gate post bracket subassembly as shown with the Push-to-Open pivot bracket (FM148). Must be purchased separate. Push-to-Open pivot 11” bracket (FM148) Step 2 ● Attach the gate post bracket subassembly and gate bracket to the operator as shown.
  • Page 25 PUSH-TO-OPEN OPERATOR MOUNTING Your Property Post Bracket Assembly Step 3 ● With the gate in the CLOSED position, use clamps to secure the operator to the gate post and center cross member of the gate. ● Ensure that the operator is level. Gate Bracket ●...
  • Page 26 PUSH-TO-OPEN OPERATOR MOUNTING Your Property Step 5 ● Close the gate and reattach the operator to the gate bracket. ● Ensure that the operator arm is level and the brackets are securely clamped. ● Secure the post pivot bracket in place by installing the hardware shown.
  • Page 27 PUSH-TO-OPEN OPERATOR MOUNTING Your Property Step 8 ● Using a drill and 7/16” drill bit, drill the necessary holes to mount the gate post and gate brackets. Note: Some installations may require additional reinforcement be installed on the gate. Step 9 ●...
  • Page 28 PUSH-TO-OPEN OPERATOR MOUNTING Your Property Step 10 ● Secure the gate bracket with the supplied hardware as shown. Step 11 ● Once the gate post and gate brackets are installed, reattached the operator arm. ● Ensure the operator arm is level, adjusting the post bracket location if necessary.

  • Page 29: Installing The Closed Position Stop Plate / Push-To-Open

    INSTALLING THE CLOSED POSITION STOP PLATE / PUSH-TO-OPEN Your Property Step 1 ● Remove the operator from the gate post and gate brackets. ● Swing the gate to the open position. ● With the gate fully open, install the closed position stop plate on the gate opposite the operator (hardware not included).

  • Page 30: Control Box Installation

    CONTROL BOX INSTALLATION Step 1 4 ’ ● Identify a suitable mounting location for your control box at least 3 ft. from the ground and no more than 4 ft. from the primary operator. Note: If you intend to install and use the MMS100 3 ’...

  • Page 31: Connecting The Operator(S) And Battery

    CONNECTING THE OPERATOR(S) AND BATTERY Step 1 ● Remove the sealing nut from one of SEALING NUT the cable glands on the bottom of the control box. ● Feed the operator wiring harness through the sealing nut. Step 2 RESET BAT+ BAT–...

  • Page 32: Connecting The Operator(S) And Battery

    CONNECTING THE OPERATOR(S) AND BATTERY Step 3 ● Locate the PRIMARY operator wiring terminals, and insert the wires into the corresponding color terminals. ● Tighten the screw terminals ensuring the wires are captured correctly as shown. Correct Wrong Wrong Step 4 TERM6 BAT+ BAT–...

  • Page 33: Transformer Or Solar Panel Wiring Installation

    TRANSFORMER OR SOLAR PANEL WIRING INSTALLATION WARNING Before digging contact local authorities to locate underground utilities such as electric and gas service. Step 1 ● Locate power outlet and identify wire path to control box. ● If installing a solar panel (FM123 sold separately), see solar panel instruction manual and skip to Step 3.

  • Page 34: Transformer Or Solar Panel Wiring Installation

    TRANSFORMER OR SOLAR PANEL WIRING INSTALLATION Step 3 1 2 3 4 5 1 2 3 4 5 RESET RESET AUTO AUTO CLOSE CLOSE TERM6 TERM6 BAT+ BAT– BAT+ BAT– LOCK Alternate Access Operator Arm Cable/Power Access ● Feed the transformer or solar panel wires into the control box using one of the access locations on the bottom of the box. ●...

  • Page 35: Transformer Or Solar Panel Wiring Installation

    TRANSFORMER OR SOLAR PANEL WIRING INSTALLATION Step 4 TERM6 BAT+ ● From the other end of the low voltage wire, BAT– 1 2 3 4 5 strip 1/2” from both the RED and BLACK RESET AUTO CLOSE wire. ● On the transformer, connect RED wire to the screw terminal marked + and BLACK wire to the screw terminal marked -.

  • Page 36: Transmitter Programming

    TRANSMITTER PROGRAMMING LED1 LED1 LED2 LED2 LED3 LED3 How to Learn a Transmitter: 1. On the control board, press and hold the (return/enter) button until LED2 beside the (return/enter) button turns on and the buzzer sounds. Release the (return/enter) button. 2.

  • Page 37: Operator Limit Setting

    OPERATOR LIMIT SETTING Setting the Operator's Extended Limit (MM371W Only): 1. Press and hold the (up arrow) and ( ) buttons until LED1 turns on and the buzzer sounds. Release. 2. Use the (up arrow) and (down arrow) buttons to jog the gate operator to the EXTENDED position. 3.

  • Page 38: Auto Close Setting

    AUTO CLOSE SETTING Step 1 ● The auto close timer is set to OFF from the factory. ● To set an auto close timer, use a small flat head screw driver to turn the auto close potentiometer clockwise. ● The timer can be set from approximately 3 seconds to a maximum of 120 seconds.

  • Page 39: Connecting Additional Devices

    Connecting Additional Devices Mighty Mule strongly recommends the use of additional obstruction detection devices however we do not endorse any specific brand names. Only use products that are listed to be in compliance with any applicable UL safety standards and national and regional codes.

  • Page 40: Control Board Connections

    CONTROL BOARD CONNECTIONS NOTES: ● All ACCESSORY INPUTS (ITEMS 2-6) are dry contact,normally open inputs. DO NOT apply external voltage inputs to these terminals. ● All ACCESSORY INPUTS (ITEMS 2-6) are connected with respect to the COMMON terminals (ITEM 1). ...

  • Page 41: Connecting Accessories

    CONNECTING ACCESSORIES Automatic Gate Lock (FM143) Edge Sensor Mighty Mule Photo Beams Push Button Control Blue Black Yellow Shield Mighty Mule Vehicle Sensor Mighty Mule Keypad Refer to Vehicle Sensor manual for additional NOTE: Connections are for typical applications. information if needed. For additional connection options not illustrated here refer to the accessory manual for details.

  • Page 42: Troubleshooting Guide - Audible Feedback

    Maintenance ● Monthly, test the obstruction and entrapment protection systems. ● Monthly, service the gate operator (make sure the power switch is OFF). Clean extended operator arm with a soft, dry clean cloth. ● On all gates weighing 250 lb. or more, routinely grease the ball bearing hinges at least 4 times a year; more frequently if the gates are near a coastal area.
  • Page 43 Audible Feedback Possible Diagnosis Check/Solution h Primary arm connections (white and green) h Arm power cable 3 beeps , pause , 3 beeps,…… Short circuit Primary arm h Arm rev. counter h Secondary arm connections (white and green) h Arm power cable 4 beeps , pause , 4 beeps,……...

  • Page 44: Troubleshooting Guide - Visual Feedback

    Troubleshooting Guide - Visual Feedback If your gate operator does not function properly after it is installed, use this guide before calling the Nortek Security and Control Service Department. Visual Feedback Possible Diagnosis Check/Solution h Check battery harness , ensure the battery is connected red to red (+) and black to black (-) Blown fuse(s) h Check both board fuses and harness fuse...
  • Page 45 Visual Feedback Possible Diagnosis Check/Solution h Set travel limits The unit will not run Unit arm travel (limits) not set. h Program transmitter Transmitter not programmed. h Bad or low battery Power source issues. h No transformer output, proper output should be 19 Vdc Arm problem h Poor or night solar conditions h Check circuit breaker or GFI...

  • Page 46: For Your Records

    For Your Records Please record the product serial number (located on the right hand side of the control box), and the date and place of purchase in the spaces provided below. Refer to this information when calling Nortek Security and Control for service or assistance with your automatic gate operator.

  • Page 47: Repair Service

    Repair Service If your Mighty Mule Gate Opener is not operating properly, please follow the steps below: 4. If repair or replacement of your gate operator is necessary, 1. First use the procedures found in the Maintenance & the Service Department will assign a Return Authorization Troubleshooting Guide (see page 28).

  • Page 48: Accessories

    Accessories Accessories are Available From Your Retail Store Solar Panel (FM123) The Solar Panel is a 10 watt solar powered battery charger for use with the Mighty Mule 371W/372W gate operator systems. Particularly suited for remote installations, each Solar Panel comes with tubular steel support, mounting clips, wire connectors, and 10 ft.
  • Page 49 MMT103 The MMT103 Code Safe digital transmitter is a wireless radio control designed for use with Mighty Mule garage door openers and can also be programmed to your Mighty Mule gate openers. One remote for two or three devices. Wireless Entry Intercom / Keypad (FM136) Allows owner to screen guest at the gate before allowing access to the property.

  • Page 50: Accessory Installation Instructions

    Appendix A ACCESSORY INSTALLATION INSTRUCTIONS FM130 / FM130-SW Installation For the FM130 / FM130-SW to function, the “Transmitter Module” must be programmed your gate operator’s control board. Before you begin: ● Ensure the gate operator is in the OPEN position ●...

  • Page 51: Gate Operator Installation Checklist

    Gate Operator Installation Checklist The gate has been checked to make sure it is level and moves freely in both directions. ❑ Potential pinch areas have been guarded so as to be inaccessible OR have sensing edges and/or photo ❑ beam obstruction detection devices installed.
  • Page 52 Telephone Mighty Mule Sales: 1-800-543-4283 • Fax (850) 575-8912 or Mighty Mule Technical Service: 1-800-543-1236 • Fax (850)575-8950 www.mightymule.com Copyright © 2019 Nortek Security and Control, LLC. MM371W / MM372W Installation Instructions...

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