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Copyright

©

 2019 Nortek Security & Control, LLC

10022113 A

MM272

This product meets the requirements of UL325, the standard for gate operator safety.

Installation Manual

Example of finished installation

(installations vary slightly on different types of gates)

 

120 Volt indoor

Transformer

(surge protector 

not supplied)

Horizontal Support

Gate Swings Evenly and Freely

Hung Firmly and Plumb

Post Bracket

Control Box

Fence Post Set in Concrete

Run 1000' (max.) of low

voltage wire to control

box from transformer

(wire not included).           

Power Cable

Gate Bracket

Warning Sign

First Gate Opener

Post Bracket

Second Gate Opener

Gate Bracket

Horizontal Support

PVC conduit (not included)

to run second opener power

cable under driveway.

12 Volt automotive or marine 

type battery in weather proof 

housing (REQUIRED, not included).  

Mighty Mule® is the retail brand of Nortek Security & Control, LLC

NSC Sales: 800-543-4283 • Fax 850-575-8912

NSC Technical Service 800-543-1236

For Online Technical Support 24 hour/day, 7 day/week visit 

www.mightymule.com

For more information on Mighty Mule’s full line of Automatic Gate Operators and 

Access Controls visit 

www.mightymule.com

Summary of Contents for MIGHTY MULE MM272

Page 1: ...o control box from transformer wire not included Power Cable Gate Bracket Warning Sign First Gate Opener Post Bracket Second Gate Opener Gate Bracket Horizontal Support PVC conduit not included to run...

Page 2: ...operly 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 thi...

Page 3: ...tallation of the FIRST Gate Opener 7 Install Post Bracket Assembly and Gate Bracket 8 Attach Opener Arm 10 Install the Closed Position Stop Plates 11 Mount the Control Box 12 Connect Opener Power Cabl...

Page 4: ...n vinyl aluminum chain link farm tube and wrought iron gates Use on solid surface gates is not recommended Solid surface gates have a high resistance to the wind If the wind is strong enough the opera...

Page 5: ...s of the gate operator the safety precautions and warnings contained in Disconnecting the Operator 1 Turn control box power switch OFF 2 Remove hairpin clip clevis pin and bushing from either the fron...

Page 6: ...tomatic gate system where a person or object could be caught that increase the risk of injury Entrapment zones must be eliminated guarded or protected 8 When designing a system that will be entered fr...

Page 7: ...located at least 10 feet from any moving part of the gate see diagram below Never install any control device where a user will be tempted to reach through the gate to activate the gate operator 5 Do...

Page 8: ...before performing any maintenance See page 26 for maintenance procedures 7 To operate this equipment safely YOU must know how to disconnect the operator for manual gate operation see page iii If you...

Page 9: ...locked or impeded by building structures natural landscaping or similar objects Entrapment Alarm The Mighty Mule Automatic Gate Operator is designed to stop and reverse the gate when the gate comes in...

Page 10: ...n gates used for vehicles Pedestrians must be supplied with a separate access opening The pedestrian access opening shall be designed to promote pedestrian usage Locate the gate such that persons will...

Page 11: ...ate is for vehicles only Pedestrians must use separate entrance Moving gate can cause injury or death 1 TENEZ VOUS LOIN La barri re peut se d placer tout moment 2 Lisez toutes les instructions de s cu...

Page 12: ...y connected to any battery Do not replace fuses with higher ampere rated fuses doing so will void your warranty and may damage your control board _____________________________________ CONTROL ________...

Page 13: ...of cover or housing must be used If your gate is more than 1000 from an AC power source you will need to use a solar panel charging kit minimum 10 watts Refer to the Solar Panels and Gate Activity Cha...

Page 14: ...ting the gate bracket is also important Trench the driveway in order to lay PVC conduit for the second opener power cable see illustration on page 6 Your Property Your Property Pull To Open arm retrac...

Page 15: ...e Opener 2 Gate Bracket 2 Post Pivot Bracket 2 3 8 Lock Washer 10 Literature Kit Post Bracket 2 Closed Position Stop Plate 2 2 Mounting Screw 3 E Z GATE OPENER Transformer 1 RB503 Battery Wire Harness...

Page 16: ...upply and the control box page 13 20 If your gate is more than 1000 away from an AC power source you will need to use at least one 10 watt Solar Panel FM123 to charge the 12 Volt battery page 2 26 PVC...

Page 17: ...open and closed position at the same time maintaining a stroke distance of 7 to 13 from center of hole in the end of the retracted opener arm to the center of the hole in the gate bracket with the gat...

Page 18: ...post On wood posts place a metal plate or washer not supplied between the nuts and the post to prevent the thrust of the opener from pulling the bolts and washers out of the wood The post pivot bracke...

Page 19: ...with a clevis pin Secure the clevis pin with a hairpin clip Step 4 With the gate in the fully open position and the opener arm fully retracted adjust the post bracket assembly and gate bracket until t...

Page 20: ...bracket assembly to different positions on the post If you are mounting to a post or column larger than 8 or you can not achieve the mentioned clearances you can 1 eliminate the post pivot to try and...

Page 21: ...Remove excess bolt length with hacksaw or bolt cutters SIDE VIEW TOP VIEW EXAMPLES Post Bracket Mounting Examples Attach Opener Arm Step 1 Attach the opener to the securely bolted post bracket assembl...

Page 22: ...ove the gates to the closed position Step 2 Using appropriate hardware for your type of gate U bolts for tube or chain link screw or bolts for wood or metal attach the closed position stop plate horiz...

Page 23: ...VIEW SIDE VIEW Closed Position Stop Plate Low Profile Ground Stop Closed Position Stop Plate Step 4 Using appropriate hardware for your type of gate attach the vertical closed position stop plate to t...

Page 24: ...C 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 u...

Page 25: ...the 16VDC OR SOLAR terminals regardless of color polarity Tighten set screws against exposed end of wires A dab of household petroleum jelly on each terminal will help prevent corrosion First Gate Op...

Page 26: ...ds 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...

Page 27: ...et and transformer should be protected by a weatherproof cover Set the CLOSED Position Limit for PULL TO OPEN Installation Your transmitter must be able to operate the gate If not see Personalize Your...

Page 28: ...l on a radio It controls the amount of force the opener will apply to an obstruction before it automatically reverses direction The Stall Force adjustment is located on the control board Turn the STAL...

Page 29: ...radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference...

Page 30: ...the gate in the open position This mounting position will give the opener the most efficient leverage point for operation and provides the least possible pinch area C After verifying that you have th...

Page 31: ...se the JOG OPEN and CLOSE buttons to fine tune the gate position if necessary C Press and HOLD the SECOND Opener OPEN button on the control board and be prepared to RELEASE the button when the gates r...

Page 32: ...he wires can be connected to the 16VDC OR SOLAR terminals regardless of color polarity Step 3 Tighten set screws against exposed end of wires A dab of household petroleum jelly on each terminal will h...

Page 33: ...RST OPR RED 7 8 6 5 4 3 2 AUTOMATIC GATE LOCK ELECTRON IC SECU RITY LOCK 7 8 3 6 Red Blue Black Shield Yellow VAR5 VAR6 K1 PF1 K2 BATT BATT K3 K4 VAR4 VAR3 VAR2 VAR1 MIN MAX OFF JP1 REMOVE JUMPER FOR...

Page 34: ...t this input will cycle the operation as follows OPEN STOP CLOSE STOP OPEN 4 EDGE Typically for use with contact edge sensor Activation of this input while gate is moving will cause it to reverse dire...

Page 35: ...ally shut off after 5 minutes gate will remain disabled until control box is restarted d 1 beep every 20 seconds Low battery is detected e 1 beep every 2 seconds Position sensor on first opener is ope...

Page 36: ...1 First use the procedures found in the Visual and Audible Diagnostic Indicators section page 24 2 Use the 24 7 Troubleshooting Wizard located at www mightymule com 3 If you are unable to solve the pr...

Page 37: ...eypad The Mighty Mule Wireless Keypad is designed to control access to all Mighty Mule Garage Door Openers This keypad features a LED back light that allows you to see numeric keys throughout dark or...

Page 38: ...devices This specially designed wire is UV treated PVC coated and ready for direct burial Push to Open Bracket FM148 Required when Mighty Mule gate opener must push the gate open such as on a sloping...

Page 39: ...side of the gate in highly visible locations These signs must remain at all times 6 There are no controls installed on the gate operator or within 10 feet of the gate 7 The Dual Sense Technology featu...

Page 40: ...ty Control LLC America s DIY Automatic Gate Openers is a trademark of Nortek Security Control LLC and are the exclusive property of Nortek Security Control LLC NSC All rights are reserved by NSC and t...

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