Nortek Security & Control Mighty Mule HD272 Installation Manual
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Nortek Security & Control Mighty Mule HD272 Installation Manual

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Control Box
120 Volt indoor
Transformer
(surge protector
not supplied)
Run 1000' (max.) of low
voltage wire to control
box from transformer
(wire not included).
This product meets the requirements of UL325, the standard for gate operator safety.
Mighty Mule® is the retail brand of Nortek Security & Control, LLC
Installation Manual
Gate Swings Evenly and Freely
Hung Firmly and Plumb
First Gate Opener
Post Bracket
Power Cable
PVC conduit (not included)
to run second opener power
cable under driveway.
Example of finished installation
(installations vary slightly on different types of gates)
HD272
Warning Sign
Gate Bracket
Horizontal Support
Horizontal Support
Closed Position Stop Plate
Stop Plate and Low Pro le Ground Stop
Second Gate Opener
Gate Bracket
Fence Post Set in Concrete
Post Bracket

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Summary of Contents for Nortek Security & Control Mighty Mule HD272

  • Page 1 HD272 Installation Manual Gate Swings Evenly and Freely Control Box Hung Firmly and Plumb Warning Sign First Gate Opener Second Gate Opener Post Bracket Gate Bracket Gate Bracket 120 Volt indoor Post Bracket Transformer Horizontal Support Horizontal Support (surge protector not supplied) Closed Position Stop Plate Power Cable...
  • Page 2 WARNING DO NOT SPLICE ANY POWER WIRES! DO NOT MODIFY THE BATTERY HARNESS! THIS WILL VOID YOUR MANUFACTURER’S WARRANTY. Low voltage wire for transformer not included.
  • Page 3 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 4 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.

  • Page 5: Table Of Contents

    Table of Contents Please Read This First! ......................2 Manually Opening and Closing Gate................3 Important Safety Information ..................3 For the Installer and End User ..................4 Installing Warning Signs and Pedestrian Gates ..............8 Required Safety Precautions for Gates ................9 Technical Specifications ....................10 Before You Begin ......................11 Solar Panel and Gate Activity Chart ................11 Parts List –...

  • Page 6: Please Read This First

    Please Read This First! Thank you for purchasing a Mighty Mule Gate The Mighty Mule Gate Operator accommodates Operator—the "do-it-yourself" automatic gate extra transmitters, digital keypads, solar panels, operator! When correctly installed and properly used, push buttons, automatic gate locks, and other access your Mighty Mule Gate Operator will give you many control products.

  • Page 7: Manually Opening And Closing Gate

    Important Safety Information Because automatic gate operators produce high levels this manual cannot be completely exhaustive in of force, consumers need to know the potential hazards nature. They do, however, provide an overview of associated with improperly designed, installed, and the safe design, installation, and use of this product.

  • Page 8: For The Installer And End User

    Important Safety Information For the Installer and End User WARNING To reduce the risk of injury or death: 1. READ AND FOLLOW ALL INSTRUCTIONS. 5. Use the manual/emergency release only when the gate is not moving. 2. Never let children operate or play with gate controls. Keep the remote control away from children.
  • Page 9 Important Safety Information For the Installer and End User Typical Entrapment Zones are shown in the diagrams on page 4: Zone 1 – leading edge of the gate and the fence post. Zone 2 – between the gate and the gate post. Zone 3 –...
  • Page 10 Important Safety Information For the Installer and End User III. After Installation 7. To operate this equipment safely, YOU must 1. Attach the warning signs (included) to each side know how to disconnect the operator for manual of the gate to alert the public of automatic gate gate operation (see page 3).
  • Page 11 Important Safety Information For the Installer and End User Mighty Mule gate operators utilize Dual Sense One or more edge sensors may be located at the Technology™ entrapment protection. Dual Sense leading edge, bottom edge, and post edge, both inside Technology™...

  • Page 12: 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 13: 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 & Control for replacements. WARNING AVERTISSEMENT Moving gate can cause injury or death! 1.

  • Page 14: Technical Specifications

    Technical Specifications MIGHTY MULE HD272 DUAL GATE OPENER _____________________________________ _____________________________________ DRIVE • Low friction screw drive (linear actuator) rated for -5 °F to +160 °F (-20 °C to +71 °C). • Powered by a 12 V motor with integral gear reducer. Motor speed reduced to 280 rpm at 12 V.

  • Page 15: Before You Begin

    Before You Begin 1. Determine Charging Options for Battery: Transformer OR Solar NEVER USE TRANSFORMER AND SOLAR PANEL(S) AT THE SAME TIME! It will damage the control board! IMPORTANT • The battery charge is maintained by the 16 Volt transformer included OR optional solar panel(s). The transformer OR solar panel is connected to the control board using low voltage, 16 gauge, dual conductor, multi-stranded, direct burial wire [RB509] (page 37).
  • Page 16 2. Check Direction of Gate Swing The Mighty Mule 272 is designed for PULL-TO-OPEN installations. PUSH-TO-OPEN installations require two Push-To-Open brackets [FM148]. Push-to-Open Installation Instructions begin on page 30. Your Property Your Property 3. Prepare the Gates • Gates must be plumb, level, and swing freely on their Pull-To-Open Pull-To-Open Push-To-Open...

  • Page 17: Parts List - Opener And Mounting Hardware

    Parts List – Opener and Mounting Hardware WARNING Moving Gate Can Cause Injury Or Death KEEP CLEAR! Gate may move at any time. Do not allow children to operate gate or play in gate area. Battery Wire This gate is for vehicles only. Pedestrians must use a separate entrance.
  • Page 18 Tools and Materials 7/16” Bit Center Drill Punch 5/16” 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 ● 12 Volt automotive or marine battery and a ●...

  • Page 19: Installation Overview For Pull-To-Open Gates

    Installation Overview for Pull-To-Open Gates PUSH-TO-OPEN installation instructions begin on page 30. Example of an installation on a chain link fence: Gate Swings Evenly and Freely Control Box Hung Firmly and Plumb 120 Volt indoor Transformer First Opener Second Opener (surge protector not supplied) Gate Bracket...

  • Page 20: Installation Of The First Gate Opener

    Installation of the FIRST Gate Opener IMPORTANT: Determine which side of the driveway you will mount the control box. From this point on, the gate and gate opener on the same side as the control box will be referred to as the FIRST gate and gate opener. The gate and gate opener on the opposite side of the driveway from the control box will be referred to as the SECOND gate and gate opener.

  • Page 21: Install Post Bracket Assembly And Gate Bracket

    Install Post Bracket Assembly and Gate Bracket Step 1 Insert the " x 1 " bolt through the center hole of the post brackets and post pivot bracket. Secure with a " washer, " lock washer and " nut. DO NOT "...
  • Page 22 Step 5 Be sure the position of the gate opener and brackets Gate in the allows for 1" of clearance between the gate and the opener in both the open and closed position, while CLOSED POSITION 1" minimum at the same time maintaining a stroke distance of 4" Pinch Area to 13"...

  • Page 23: Attach Opener Arm

    Step 9 EXAMPLES Drill " holes through post as marked. Fasten post bracket assembly to the TOP VIEW Post Bracket fence post using two " x 8" bolts, washers, lock washers and nuts. You Mounting must use bolts that completely penetrate the post. Examples Round Metal Post Step 10...

  • Page 24: Install The Closed Position Stop Plates

    Install the Closed Position Stop Plates The closed position stop plate is attached to the FIRST gate to help stabilize the gate leaf in the closed position. An optional low profile ground stop, when used with the closed position stop plate, provides a secure point for the SECOND gate to close against. To further enhance the stability and security of your gate, install a Mighty Mule Automatic Gate Lock [FM143] page 37).
  • Page 25 Closed Position Stop Plate mounted on the SECOND GATE Step 4 Using appropriate hardware for your type of gate, SIDE VIEW attach the vertical closed position stop plate to the SECOND gate frame at the point where it will come Close Position Stop Plate in contact with the low profile ground stop.

  • Page 26: Mount The Control Box

    Mount the Control Box Screw Placement Guides Step 1 Mount the Battery Box using the screws (provided) or another secure mounting method. The battery/control box must be mounted at least 6 feet above the ground to protect it from rain splash, snow, etc., and at least 6 feet from an AC power source to prevent electrical interference.

  • Page 27: Connecting The Battery

    Connecting the Battery Battery Step 4 Verify that the ON/OFF switch is in the OFF position. Connect the BATTERY WIRE HARNESS wires to the battery --- RED wires to POSITIVE (+) battery terminal and BLACK wires to NEGATIVE (–) battery terminal. The BATTERY WIRES from the CONTROL BOARD should extend through the KNOCK-OUT in the back of the CONTROL BOX.

  • Page 28: Connect Opener Power Cables

    Connect Opener Power Cables Step 1 STATUS Bring FIRST power cable into the control box through a strain relief slot, 1st OPR. OPEN < JOG > CLOSE leaving enough wire to reach the FIRST OPR. terminal block. 2nd OPR. MAX OFF SEC.
  • Page 29 Control Box Step 3 Lay the measured length of low voltage wire First Gate Opener in a trench following a path from the selected electrical outlet to the control box. Wires coming 120 Volt indoor up from the ground should be run through PVC Transformer conduit to protect them from lawn mower blades, weed eaters, and grazing animals.
  • Page 30 Step 6 At the AC outlet, strip " of insulation from the ends of the low voltage wire. Attach these stripped ends to the transformer terminals. A dab of household petroleum jelly on each terminal will help prevent corrosion. We suggest adding crimp on fork lugs to the end of each wire before attaching it to the transformer.

  • Page 31: Set The Closed Position Limit For Pull-To-Open Installation

    Set the CLOSED Position Limit for PULL-TO-OPEN Installation Your transmitter must be able to operate the gate. If not see, "Personalize Your Transmitter Setting on page 20. NOTE: The OPEN limit is when the opener is fully retracted and the gate is in the full open position. The open limit setting can only be adjusted by moving the gate bracket.

  • Page 32: Setting Dual Sense Detection And Auto Close Timer

    Setting Dual Sense Detection and Auto Close Timer STATUS 1st OPR. OPEN < JOG > CLOSE 2nd OPR. MAX OFF SEC. STALL FORCE AUTO CLOSE PWR. LIMIT REMOVE JUMPER FOR PUSH TO OPEN OPTION SFTY. STALL FORCE VAR1 EXIT VAR2 CYCLE VAR3 EDGE...

  • Page 33: Mmt103 Transmitter

    MMT103 Transmitter Learning the MM103 Turn off control box. Press and hold a preferred transmitter button while sliding the ON/OFF switch to the ON position. Continue to hold transmitter button for 8 - 10 seconds. You will hear a single or a series of beeps, followed by a pause then a single beep. Release transmitter’s button.

  • Page 34: Push-To-Open Installation Instructions

    Push-To-Open Installation Instructions PUSH-TO-OPEN gates open out from the property (opener arms extend to open). Push-To-Open Brackets are required for this type of installation, one for each gate [FM148] page 38). In a Push-To-Open installation, the opener is installed while the gate is in the closed position and the opener fully retracted.
  • Page 35 Step 3: Attach Opener Arm (page 19) Step 4: Install Closed Position Stop Plates (NOTE: mounted on the gate, opposite the side of the operator arm.) (page 20) Step 5: Mount the Control Box (page 22) Step 6: Connect Opener Power Cables (page 24) Step 7: Connect the Transformer (page 24) OR Solar Charger (page 32) Step 8: Connect Battery Harness (page 26) Step 9: Connect Battery (page 23)

  • Page 36: Solar Panel Instructions

    Solar Panel Instructions NEVER USE TRANSFORMER AND SOLAR PANEL(S) AT THE SAME TIME! It will damage the control board! IMPORTANT INFORMATION ABOUT LOW VOLTAGE WIRE: • The only wire acceptable for use with Nortek Security & Control products is 16 gauge multi-stranded, low voltage, PVC sheathed wire.

  • Page 37: 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. PLEASE NOTE: Contact sensors, non-contact sensors, shadow loops, etc.

  • Page 38: Control Box Cover - Final Step

    STATUS Accessory Inputs 1st OPR. OPEN < JOG > CLOSE SAFETY: Typically for use with photo beam device, loop detector or other non-contact sensors 2nd OPR. MAX OFF SEC. STALL FORCE AUTO CLOSE • Activation of this input while the gate is closing will cause the gate PWR.

  • Page 39: Troubleshooting Guide

    Troubleshooting Guide 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 40: Maintenance

    Maintenance Visual Feedback Symptom Diagnosis Check Power (green) ON AC or solar power present Normal Operation Transformer: Power (green) OFF No AC or solar power h Breaker or GFI h Power at AC outlet h Output of transformer at 19 Vdc h Voltage on wire from transformer at control board input at 19 Vdc Solar: h Wiring for solar panel(s) using correct polarity...

  • Page 41: Accessories

    Accessories Please visit www.mightymule.com for photos and detailed descriptions of Mighty Mule Accessories, or call Mighty Mule sales 1-800-543-4283. Solar Panel (FM123) If your gate is more than 1000' from an AC power source, you can choose to maintain the battery charge with the Solar Panel Charging Kit.
  • Page 42 Accessories are Available From Your Retail Store (con't) Low Voltage Wire (RB509) The 16 gauge, multi-stranded, dual conductor Low Voltage Wire is for connecting the AC powered transformer, or the Solar Panel to the control board. Also used for the connection of accessories, such as locks, keypads, push buttons and other wired control devices.

  • Page 43: 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 44 Mighty Mule Sales: 800-543-4283 | Mighty Mule Technical Service 800-543-1236 For more information on Mighty Mule’s full line of Automatic Gate Operators, Gate Openers and Access Controls visit www.mightymule.com ©2021 Nortek Security & Control LLC. All rights reserved. Mighty Mule is a registered trademark of Nortek Security & Control LLC. The contents of all material available on this installation manual are copyrighted by Nortek Security &...

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