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Copyright

©

 2019 Nortek Security and Control, LLC.

10022114 A

Mighty Mule

®

 is the retail brand of Nortek Security and Control, LLC.

This product meets the requirements of UL325 7th Edition, the standard for gate operator safety.

Installation Manual

(For a single or dual gate installation)

Horizontal Support

Gate Swings Evenly and Freely

Hung Firmly and Plumb

Post Bracket

Control Box

Fence Post Set in Concrete

Fence Post Set in Concrete

Run 1000' (max.) of low 

voltage wire to control 

box from transformer 

(wire not included).           

Power Cable

PVC conduit (not included)

to protect wire from lawn

mowers and weed eaters.

PVC conduit (not included)

to run second opener power

cable under driveway.

Gate Bracket

Warning Sign

Secondary Opener

Primary Gate Opener

Horizontal Support

Post Bracket

Gate Bracket

Warning Sign

 

120 Volt indoor

Transformer

(surge protector 

not supplied)

12 Volt automotive or marine 

type battery in weather proof 

housing (not included).  

Example of Dual Gate finished installation

(Installations vary slightly on different types of gates)

MM371W 

MM372W

Single gate installation [MM371W]

Dual gate installation MM372W]

Summary of Contents for Mighty Mule MM371W

Page 1: ...tage wire to control box from transformer wire not included Power Cable PVC conduit not included to protect wire from lawn mowers and weed eaters PVC conduit not included to run second opener power ca...

Page 2: ...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 u...

Page 3: ...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 Ins...

Page 4: ...rator can be used on vinyl aluminum chain link farm tube and wrought iron gates Not rated for use on solid surface gates due to the potential to damage the operator and or injure someone The Mighty Mu...

Page 5: ...Turn control box power switch OFF 2 Remove the hairpin clip and clevis pin 3 Remove the operator s front mount from the gate bracket The gate can be opened and closed manually when the operator is dis...

Page 6: ...make sure the gate system is placed far enough from the road to prevent traffic congestion FOR THE INSTALLER AND END USER Gate in the Open Position ZONE 2 ZONE 3 ZONE 4 ZONE 5 Driveway ZONE 1 Entrapme...

Page 7: ...will be tempted to reach through the gate to activate the gate operator 5 Secure outdoor or easily accessed gate operator controls in order to prohibit unauthorized use of the gate FOR THE INSTALLER...

Page 8: ...er to operator OFF before performing any maintenance See page 28 for maintenance procedures 7 To operate this equipment safely YOU must know how to disconnect the operator for manual gate operation se...

Page 9: ...ended not included Leading Edges of gates Gate Warning Sign Gate Warning Sign Control Box Leading Edge of the gate Photo Beam recommended not included Photo Beam recommended not included Sensing Edges...

Page 10: ...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 v...

Page 11: ...anuel de l utilisateur 3 Ne laissez pas les enfants utiliser la barri re ou jouer proximit de la barri re 4 Cette barri re est uniquement r serv e aux v hicules Les pi tons doivent utiliser une autre...

Page 12: ...transformer should not be directly 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 Adjustable auto close...

Page 13: ...ER AND SOLAR PANEL S AT THE SAME TIME It will damage the control board The table and map illustrate the maximum number of gate cycles to expect per day in a particular area when using from 10 to 30 wa...

Page 14: ...d Make sure there is a stable area for mounting the gate bracket this may require the addition of a horizontal or vertical cross member We recommend you position the operator near the center line of a...

Page 15: ...k Nut 1 U T 5 16 x 1 1 2 Bolt 1 Q W P 3 8 x 2 3 4 Bolt 2 3 8 Lock Washer 7 V 3 8 x 1 1 2 Bolt 1 Hairpin Clip 2 10 14 x 3 4 Screw 8 N O 3 8 x 1 1 2 Clevis Pin 2 3 8 x 8 Bolt 4 8 Nylon Cable Tie 10 Oper...

Page 16: ...tes see Reinforcing Gates for the Gate Brackets next page Depending on the type of gate a horizontal cross member or mounting plate may be needed to mount the front of the operator and gate bracket to...

Page 17: ...ommend using a muffler clamp wood or metal to reinforce thin walled tube gates or wood to reinforce panel gates as shown These reinforcement methods will prevent damage to the opener and gate Addition...

Page 18: ...s G L O F G V T S F B S E N N PULL TO OPEN OPERATOR MOUNTING MOST COMMON Assemble the gate post bracket sub assembly as displayed Attach the gate post bracket subassembly and gate bracket to the opera...

Page 19: ...e recommended clearances TIP Turning the pivot bracket over gives more hole alignment options for the gate post pivot bracket assembly With the gate in the OPEN position use clamps to secure the opera...

Page 20: ...locations for the gate bracket 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...

Page 21: ...MOUNTING 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 Secur...

Page 22: ...alling the Secondary Operator MM372W only Install the secondary operator on the remaining leaf by repeating the same process illustrated in steps 1 11 above Note You will need to run the secondary ope...

Page 23: ...e closed position and adjust the closed position stop plate against the fence post Tighten the mounting hardware Return the gate to the open position and reinstall the operator arm To complete the pul...

Page 24: ...G V T 11 S S E F B N N Step 1 Step 2 Assemble the gate post bracket subassembly as shown with the Push to Open pivot bracket FM148 Must be purchased separate Attach the gate post bracket subassembly a...

Page 25: ...e check to ensure there is at least 2 inches of clearance between the operator arm and gate See illustration in Step 4 below 20 MAX CLEARANCE DIAGRAM Disconnect the operator arm from the gate bracket...

Page 26: ...et subassembly Remove the operator arm from the gate post and gate brackets Mark the center of the mounting locations for the gate bracket PUSH TO OPEN OPERATOR MOUNTING Step 6 Step 5 Step 7 Q K U Clo...

Page 27: ...9 Secure the gate post bracket subassembly with the supplied hardware as shown Using a drill and 7 16 drill bit drill the necessary holes to mount the gate post and gate brackets Note Some installati...

Page 28: ...as shown 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 Once level ensure all hardware...

Page 29: ...e next step INSTALLING THE CLOSED POSITION STOP PLATE PUSH TO OPEN H 1 1 2 Step 1 Step 2 Swing the gate to the closed position and adjust the closed position stop plate against the fence post Tighten...

Page 30: ...cover Locate mounting locations marked P inside the control box and use them to mount the control box with the supplied wood screws Install the Antenna by screwing it in place on the SMA connector Or...

Page 31: ...SW1 SW2 SECURE SEALING NUT B SEALING NUT Remove the sealing nut from one of the cable glands on the bottom of the control box Feed the operator wiring harness through the sealing nut Insert the wire...

Page 32: ...the wires are captured correctly as shown Step 3 Step 4 GRN WHT BAT AUTO CLOSE RESET PULL STAGGER WARNING BAT GRN WHT BRN ORG BRN ORG RED BLK RED BLK COM COM CYCL SAFE EXIT SHDW AUX V AUX V LOCK V LOC...

Page 33: ...control box If installing a solar panel FM123 sold separately see solar panel instruction manual and skip to Step 3 Note If your outlet is outside use a weatherproof cover Along the identified path b...

Page 34: ...solar panel wires into the control box using one of the access locations on the bottom of the box Connect the RED wire to PWR and the BLACK wire to PWR on TERM 6 as shown Step 3 Step 3B MM372 Only Cu...

Page 35: ...screw terminal marked and BLACK wire to the screw terminal marked Plug the transformer into the selected electrical outlet Note Use of a surge protector is strongly recommended DIP SWITCHES SETTINGS E...

Page 36: ...ease the return enter button 2 Press and hold the desired transmitter button Once learned LED2 will flash and the buzzer will sound indicating that the transmitter has been learned How to Erase a Tran...

Page 37: ...LED1 turns on and the buzzer sounds Release 2 Use the up arrow and down arrow buttons to jog the PRIMARY operator to the OPEN position 3 Once you have positioned the PRIMARY operator to the OPEN posi...

Page 38: ...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 1...

Page 39: ...r 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 n...

Page 40: ...osition will prevent gate from closing 6 EDGE Typically for use with contact edge sensor Activation of this input while gate is moving will cause it to reverse direction for 2 seconds Activation of th...

Page 41: ...ion if needed Edge Sensor Automatic Gate Lock FM143 NOTE Connections are for typical applications For additional connection options not illustrated here refer to the accessory manual for details 6 3 8...

Page 42: ...Control Board Senses an Obstruction or lack of arm movement h h Path of gate h h Gate for Level and Plumb h h The gate requires maintenance it is to difficult to move h h Adjust Force Factor h h For...

Page 43: ...stuck switch 6 beeps pause 6 beeps Stuck limit switch Secondary arm or Reading open motor circuit h h Arm power cable wires shorted crossed or cut disconnected h h Arm rev counter stuck switch 1 Beep...

Page 44: ...adow terminal shorted Detach any wires connected to this terminal If the LED clears and the unit begins to function check for a defective accessory triggered accessory or shorted wiring LED 2 red 5 bl...

Page 45: ...e external obstruction detection devices if the unit works troubleshoot these devices h h Arm rev counter h h Arm power cable connections The unit stops before reaching the correct close or open posit...

Page 46: ...n the spaces provided below Refer to this information when calling Nortek Security and Control for service or assistance with your automatic gate operator Serial Number________________________________...

Page 47: ...of the package in LARGE BOLD PRINT Ship the package s freight prepaid to the address provided during the RA process If your Mighty Mule Gate Opener is not operating properly please follow the steps b...

Page 48: ...Mighty Mule systems Battery is included Digital Keypad FM137 Allow friends access to your property using an identification code that you provide Keypad can be programmed to use up to 25 different per...

Page 49: ...ntry Intercom Keypad FM136 Allows owner to screen guest at the gate before allowing access to the property Keypad also allows owner to give up to 25 programmable entry codes to family friends or appro...

Page 50: ...stallation following the accessory instructions Notes 1 If you need to erase this device repeat steps 2 4 above 2 Erasing all transmitters on the gate operator control board will erase this device 3 A...

Page 51: ...ach 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 f...

Page 52: ...Installation Instructions 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...

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