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Nice MIGHTY MULE MM272 Installation Manual

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Control Box
Post Bracket
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.
MM272
Installation Manual
Gate Swings Evenly and Freely
Hung Firmly and Plumb
First Gate Opener
Horizontal Support
Power Cable
12 Volt automotive or marine
type battery in weather proof
housing (REQUIRED, not included).
PVC conduit (not included)
to run second opener power
cable under driveway.
Example of finished installation
(installations vary slightly on different types of gates)
Warning Sign
Gate Bracket
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 Nice MIGHTY MULE MM272

  • Page 1 MM272 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: Product Usage

    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 Nice North America LLC, shall in no event be liable for direct, indirect, incidental, special or consequential damages or loss of profits whether based in contract tort or any other legal theory during the course of the warranty or at any time thereafter.

  • Page 4: Table Of Contents

    Table of Contents Please Read This First! ........................5 Before You Begin to Install Your Automatic Gate Operator ................5 Important Safety Information ......................6 Manually Opening and Closing Gate ......................6 For the Installer and End User ........................ 7 Installing Warning Signs and Pedestrian Gates ..................11 Required Safety Precautions for Gates ....................

  • Page 5: Please Read This First

    Please Read This First! Thank you for purchasing a Mighty Mule Gate Operator–the The Mighty Mule Gate Operator features Dual Sense "do-it-yourself" automatic gate operator! When correctly installed Technology™. This feature makes the gate stop and reverse and properly used, your Mighty Mule Gate Operator will give direction when it comes in contact with an obstruction.

  • Page 6: Important Safety Information

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

  • Page 7: 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. 6. KEEP GATES PROPERLY MAINTAINED. Read the user’s manual. Have a qualified service person make repairs to gate hardware. 2.

  • Page 8: During Installation

    Important Safety Information For the Installer and End User Typical Entrapment Zones are shown in the diagrams on the previous page. Zone 1 – leading edge of the gate and the fence post. Zone 2 – between the gate and the gate post. Zone 3 –...

  • Page 9: After Installation

    OFF and the gate is NOT moving. Contact Nice North America for free replacements. 9. Make arrangements with local fire and law enforcement for 2. The gate is automatic and could move at any time, posing emergency access.
  • Page 10 Important Safety Information For the Installer and End User Mighty Mule gate operators utilize Dual Sense Technology™ Wiring to sensors must be located and arranged so the wiring entrapment protection. Dual Sense Technology™ is built between the sensor and the gate operator is not subjected to into every Mighty Mule and provides redundant methods of mechanical damage.

  • Page 11: Installing Warning Signs And Pedestrian Gates

    The pedestrian access opening shall be designed to promote pedestrian usage. Locate the gate such that persons will not come in contact with the vehicular gate during the entire path of travel of the vehicular gate. We recommend using the Nice North America Pedestrian Gate Lock (Call the Nice North America Sales Department at 800-543-4283) for controlled access.

  • Page 12: 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 Nice North America for replacements. WARNING AVERTISSEMENT Moving gate can cause injury or death! 1.

  • Page 13: Technical Specifications

    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. Maximum opening arc of 110°. Approximate opening time (90°): 18 seconds, depending on weight of gate. POWER •...

  • Page 14: 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 Mighty Mule 272 is designed and intended for use with a 12 Volt automotive, marine or lawn tractor battery. The battery must be placed inside a weatherproof case and located within 6' of the control box.
  • Page 15 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 hinges. Pull-To-Open Push-To-Open Pull-To-Open...

  • Page 16: Parts List - Opener And Mounting Hardware

    Parts List – Opener and Mounting Hardware WARNING Moving Gate Can Cause Injury Or Death Battery Wire KEEP CLEAR! Gate may move at any time. Harness with Transformer (1) Do not allow children to operate gate or play in gate area. This gate is for vehicles only.

  • Page 17: Tools And Materials

    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 ¾ 12 Volt automotive or marine battery and a weather ¾...

  • Page 18: 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 19: 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 20: Install Post Bracket Assembly And Gate Bracket

    Install Post Bracket Assembly and Gate Bracket Step 1 Insert the 3/8" x 11/4" bolt through the center hole of the post brackets and post pivot " x 1 " Bolt bracket. Secure with a 3/8" washer, 3/8" lock washer and 3/8" nut. DO NOT overtighten the nut (the post pivot bracket will have to be adjusted later).
  • Page 21 Step 5 Be sure the position of the gate opener and brackets allows Gate in the for 1" of clearance between the gate and the opener in CLOSED POSITION both the open and closed position, while at the same time 1"...

  • Page 22: Attach Opener Arm

    Step 9 EXAMPLES TOP VIEW Drill 3/8" holes through post as marked. Fasten post bracket assembly to the fence Post Bracket Mounting post using two 3/8" x 8" bolts, washers, lock washers and nuts. You must use Examples bolts that completely penetrate the post. Round Metal Post Step 10 Drill 3/8"...

  • Page 23: 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 39).

  • Page 24: Mount The Control Box

    Step 4 Closed Position Stop Plate mounted on the SECOND GATE Using appropriate hardware for your type of gate, attach the vertical closed position stop plate to the SECOND gate frame at the point where it will come in SIDE VIEW contact with the low profile ground stop.

  • Page 25: Connect Opener Power Cables

    NEVER USE TRANSFORMER AND SOLAR PANEL(S) AT THE SAME TIME! • The only wire acceptable for use with Nice North America products is 16 gauge multi-stranded, low voltage, direct burial wire. This particular gauge enables the transformer to provide an adequate charge through the control board to the battery at distances up to 1000'.
  • Page 26 Control Box Step 3 Lay the measured length of low voltage wire in a trench First Gate Opener following a path from the selected electrical outlet to the 120 Volt indoor control box. Wires coming up from the ground should be Transformer run through PVC conduit to protect them from lawn mower blades, weed eaters, and grazing animals.

  • Page 27: Connect Battery Harness To Control Board

    Step 6 At the AC outlet, strip 1/2" 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 28: Connect The Battery

    Connect the Battery Control Box Step 1 Place the 12 Volt automotive/lawn tractor or marine battery and its weatherproof case within 6 feet of where the First Gate Opener control box is mounted. Battery Cable Within from Control Box 6 feet BLACK to NEGATIVE RED to POSITIVE 12 Volt automotive, lawn tractor...

  • Page 29: 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, "MMT103 Transmitter" on page 33. 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 30: 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 39). In a Push-To-Open installation, the opener is installed while the gate is in the closed position and the opener fully retracted.
  • Page 31 Step 7: Connect the Transformer (page 25) OR Solar Charger (page 30) Step 8: Connect Battery Harness (page 27) Step 9: Connect Battery (page 28) Step 10: Remove Push-To-Open Jumper A. Make sure the control box power switch is OFF. B.

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

    Setting Dual Sense Detection & Auto Close Timer Do not use the Dual Sense Stall Force adjustment to compensate for a gate that is sticking or binding. Excessive Stall Force may cause damage to the gate operator or STATUS 1st OPR. gate system or injury or death.

  • Page 33: Mmt103 Transmitter

    Make sure to test the accessory before programing, because you may unintentionally erase it. WARNING: Changes, modifications or adjustments not expressly approved by NIce North America may void the user’s authority to operate this equipment. There Are No User Serviceable Parts.

  • Page 34: Solar Panel Instructions

    IMPORTANT INFORMATION ABOUT LOW VOLTAGE WIRE: • The only wire acceptable for use with Nice North America products is 16 gauge multi-stranded, low voltage, PVC sheathed wire. This particular gauge enables the solar panel to provide an adequate charge through the control board to the battery at distances up to 250'.

  • Page 35: 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. NOTE: Contact sensors, non-contact sensors, shadow loops, etc.
  • Page 36 14 VAC SOLAR COM: Common/Negative terminal for accessory power source. VAR6 LOCK +: Power source for Nice North America/Mighty Mule accessories, i.e. Gate ON OFF Opening Sensor [FM138]. Lock Outputs LOCK +: Positive terminal to connect Automatic Gate Lock [FM143].

  • Page 37: Troubleshooting Guide

    ¾ Monthly, check that the warning signs are mounted on each side of the gate and clearly visible. Replace the signs if they are missing or damaged. ¾ Replace batteries every 2-3 years and properly recycle old batteries. Audible Feedback If your gate operator does not function properly after it is installed, use this guide before calling the Nice North America Service Department. Symptom Diagnosis...

  • Page 38: Visual Feedback

    3. Use the 24/7 Troubleshooting "Wizard" located at www.mightymule.com. 4. If you are unable to solve the problem, call the Nice North America Service Department at (800) 543-1236, or (850) 575-4144. Refer to the serial number (located on the back of opener arm) and date of purchase when calling for assistance.

  • Page 39: 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 40 If you have a question about any special order item, call 1-800-543-4283 The contents of all material available on this installation manual are copyrighted by Nice North America LLC (“Nice North America”), unless otherwise indicated. All rights are reserved by Nice North America, and content may not be reproduced, downloaded, disseminated, published, or transferred in any form or by any means, except with the prior, written permission of Nice North America.

  • Page 41: 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 ...

  • Page 42: Notes

    Notes...
  • Page 43 Notes...
  • Page 44 Mighty Mule is a registered trademark of Nice North America LLC. All rights reserved. The contents of all material available on this installation manual are copyrighted by Nice North America LLC (“Nice North America”), unless otherwise indicated. All rights are reserved by Nice North America, and content may not be reproduced, downloaded, disseminated, published, or transferred in any form or by any means, except with the prior, written permission of Nice North America.

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