Installation Manual
MM562
Installation Manual
Warning Sign
Receiver
Gate Swings Evenly and Freely
Hung Firmly and Plumb
Control Box with Battery
Post Bracket
First Gate Opener
Gate Bracket
Horizontal Support
Horizontal Support
Second Gate Opener
Post Bracket
Gate Bracket
120 Volt indoor
Transformer
(surge protector
not supplied)
Power Cable
Run 1000' (max.) of low
voltage wire to control
box from transformer
(wire not included).
PVC conduit (not included)
to protect wire from lawn
mowers and weed eaters.
Fence Post Set in Concrete
PVC conduit (not included)
to run second opener power
cable under driveway.
Example of finished installation
(installations vary slightly on different types of gates)
This product meets the requirements of UL325 6th Edition, 2016, the standard for gate
operator safety.
GTO Sales: 800-543-4283 • Fax 850-575-8912
GTO Technical Service 800-543-1236
For 24 hour/day, 7 day/week Technical Service visit http://support.gtoinc.com
For more information on Mighty Mule’s full line of Automatic Gate Operators and Access Controls visit
www.mightymule.com
Mighty Mule® is the retail brand of GTO Access Systems, LLC
3121 Hartsfield Road • Tallahassee, FL 32303
Printed in China for GTO Access Systems, LLC.
ACCESS SYSTEMS, LLC
Copyright© 2016 GTO Access Systems, LLC
Document Number: R56208 REV A (12.19.16)
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. You agree
to properly install this product and that if you fail to do so GTO Access Systems, 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. The
installer and/or user agree to assume responsibility for all liability and use of this product releasing GTO
Access Systems, LLC, from any and all liability. If you are not in agreement with this disclaimer or do
not feel capable of properly 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 this automatic gate operator. This gate operator produces a high level of force. Stay clear of the unit
while it is operating and exercise caution at all times.
ALL AUTOMATIC GATE OPERATORS ARE INTENDED FOR USE ON VEHICULAR GATES ONLY.
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.
Vehicular Gate Operator Class Categories
Industrial/Limited Access Vehicular Gate
Operator–Class III: A vehicular gate operator (or
system) intended for use in an industrial location or
building such as a factory or loading dock area or
other locations not accessible by or intended to service
the general public.
Residential Vehicular Gate Operator-Class I:
A vehicular gate operator (or system) intended for
use in garages or parking areas associated with a
residence of one-to-four single families.
Commercial/General Access Vehicular Gate
Operator-Class II: A vehicular gate operator (or
system) intended for use in a commercial location
or building such as a multi-family housing unit (five
or more single family units), hotel, garages, retail
store, or other buildings accessible by or servicing
the general public.
Restricted Access Vehicular Gate Operator–
Class IV: A vehicular gate operator (or system)
intended for use in an industrial location or building
such as a factory or loading dock area or other
locations not accessible by or intended to service the
general public.
i
Table of Contents
Gate Opener Class Categories--------------------------------------------------------------inside cover
Units and Standards Conversion Chart----------------------------------------------------inside cover
PLEASE READ THIS FIRST!--------------------------------------------------- page iii
Important Safety Instructions --------------------------------------------------- page 1
KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE
Disconnecting the Opener--------------------------------------------------------------page 1
Important Safety Instructions for the Consumer-------------------------------------page 2
Secondary Means of Protection Against Entrapment-------------------------------page 5
Required Safety Precautions for Gates------------------------------------------------page 6
Warning Signs and Labels--------------------------------------------------------------page 7
Installation --------------------------------------------------------------------------- page 8
Technical Specifications----------------------------------------------------------------page 8
Installation Overview -----------------------------------------------------------------page 9
Parts List ---------------------------------------------------------------------------------page 10
Installation of the Mounting Hardware-----------------------------------------------page 12
Mounting the First Opener-------------------------------------------------------------page 16
Installing the Second Opener-----------------------------------------------------------page 16
Installation of the Closed Position Stops---------------------------------------------page 17
Mounting the Control Box -------------------------------------------------------------page 19
Running Power Cables Into Control Box --------------------------------------------page 20
Connecting Opener Power Cables ----------------------------------------------------page 21
Powering the System --------------------------------------------------------------- page 22
Solar Chart--------------------------------------------------------------------------------page 22
Connecting the Transformer------------------------------------------------------------page 23
Control Board Settings -----------------------------------------------------------page 25
DIP Switches -----------------------------------------------------------------------------page 25
Setting Closed Position Limits---------------------------------------------------------page 26
Setting Your Personal Transmitter Code -----------------------------------------page 27
Setting Dual Sense Detection ----------------------------------------------------------page 28
Setting Auto Close Timer --------------------------------------------------------------page 28
Installing the Receiver ------------------------------------------------------------------page 27
Connecting Additional Devices ------------------------------------------------------page 29
Wiring Accessories ----------------------------------------------------------------------page 30
Push to Open Installation --------------------------------------------------------- page 32
Setting Open Position Limits-----------------------------------------------------------page 33
Troubleshooting Guide ----------------------------------------------------------- page 33
Maintenance ------------------------------------------------------------------------- page 37
Repair Service ---------------------------------------------------------------------- page 38
Accessory Catalog ----------------------------------------------------------------- page 39
Please Read This First!
Thank you for purchasing a Mighty Mule Gate
Operator—GTO's "do-it-yourself" automatic gate
operator! When correctly installed and properly used,
your Mighty Mule Gate Operator will give you many
years of reliable service. Please read the following
information and watch the enclosed video to ensure
you have the correct system for your particular
needs. Furthermore, this manual and the DVD will
enable you to properly install your Mighty Mule Gate
Operator.
The Mighty Mule Gate Operator features Dual Sense
Technology™. This feature makes the gate stop and
reverse direction when it comes in contact with an
obstruction. This is factory set to the most sensitive
setting and must be adjusted during installation.
The Mighty Mule Gate Operator also has an adjustable
auto-close feature. After the gate reaches the fully
open position, it can be set to remain open up to 120
seconds before automatically closing. Pressing the
transmitter button at any time after the gate opens fully
will cause it to close immediately. OFF is the factory
setting; meaning the gate will stay open until you press
the transmitter (or keypad, etc.) again.
The Mighty Mule Gate Operator is designed for
installation on a pull-to-open single leaf gate (gates
that open into the property). By purchasing an
accessory bracket, the Mighty Mule Gate Operator
can accommodate a push-to-open single leaf gate
(gates that open out from the property). The gate
must not exceed 18 feet in length or weigh more
than 850 pounds (please see Technical Specifications
on page 8). The Mighty Mule Gate Operator can be
used on 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 operator will obstruct and stop.
NOTE—If your application requires any of the
following:
• Swing gates longer than 18 feet or weighing
more than 850 pounds
• Slide gates
• Heavy duty or commercial uses
• Professional installation
Go to www.gtoaccess.com for a dealer or retailer near
you or call (800) 543-4283 for information about our
Linear PRO Access professional line of gate operators
and accessories. Our Sales Department will be glad to
give you the name and phone number of a Linear PRO
Access dealer near you.
The Mighty Mule Gate Operator accommodates
extra transmitters, digital keypads, solar panels,
push buttons, automatic gate locks, and other access
control products. These optional accessories (see the
Mighty Mule Accessory Catalog) are available at most
stores. Your store should be able to special order any
accessory not in stock. If your store cannot special
order accessories, please call the Mighty Mule Sales
Department (800-543-GATE).
BEFORE YOU BEGIN TO INSTALL YOUR AUTOMATIC GATE OPERATOR:
watch the enclosed video and read these instructions carefully and completely
to become familiar with all parts and installation steps. The video is only designed as an
overview of the installation procedure. You must read the installation manual for detailed
instructions on gate operator safety and proper use of the gate operator.
iii
Important Safety Information
Because automatic gate operators produce high levels
of force, consumers need to know the potential hazards
associated with improperly designed, installed, and
maintained automated gate operator systems. Keep in
mind that the gate operator is just one component
of the total gate operating system. Each component
must work in unison to provide the end user with
convenience, security, and safety.
this manual cannot be completely exhaustive in
nature. They do, however, provide an overview of
the safe design, installation, and use of this product.
CAREFULLY READ AND FOLLOW ALL
SAFETY PRECAUTIONS, WARNINGS, AND
INSTALLATION INSTRUCTIONS TO ENSURE
THE SAFE SYSTEM DESIGN, INSTALLATION,
AND USE OF THIS PRODUCT.
This manual contains various safety precautions and
warnings for the installer end user. Because there
are many possible applications of the gate operator,
the safety precautions and warnings contained in
Warnings in this manual are identified with
this warning symbol. The symbol identifies
conditions that can result in damage to the operator or
its components, serious injury, or death.
Because Mighty Mule automatic gate operators are only part of the total gate operating system, it is the
responsibility of the installer and end user to ensure that the total system is safe for its intended use.
Manually Opening and Closing Gate
CAUTION
The gate will move freely and uncontrolled when the gate operator is removed from the gate. ONLY disconnect the operator when the control box power switch is OFF and the gate is NOT moving.
Disconnecting the Operator
Front Mount
1. Turn control box power switch OFF.
2. Remove hairpin clip, clevis pin, and bushing from
either the front or rear mounting point.
Clevis Pin
Gate Bracket
3. Remove the operator from the mount.
The gate can be opened and closed manually
when the operator is disconnected.
Bushing
Hairpin Clip
NOTE: Substitute a Pin Lock for the clevis pin on the front mount of the
gate operator to prevent unauthorized removal of the operator from the
gate (see accessory pages in back of this book). MM562 Installation Instructions
1
Important Safety Information
For the Installer and End User
WARNING
To reduce the risk of injury or death:
1. READ AND FOLLOW ALL INSTRUCTIONS.
2. Never let children operate or play with gate controls. Keep the remote
control away from children.
3. Always keep people and objects away from the gate. NO ONE
SHOULD CROSS THE PATH OF THE MOVING GATE.
4. Test the gate operator monthly. The gate MUST reverse on contact with
a rigid object or stop when an object activates the non-contact sensors.
After adjusting the force or the limit of travel, retest the gate operator.
Failure to adjust and retest the gate operator properly can increase the
risk of injury or death.
6. KEEP GATES PROPERLY MAINTAINED. Read the
user’s manual. Have a qualified service person make repairs to
gate hardware.
7. The entrance is for vehicles only. Pedestrians must use separate entrance.
8. The gate must be installed in a location that provides adequate
clearance between it and adjacent structures when opening and
closing to reduce the risk of entrapment. Swinging gates must
not open into public access areas.
9. SAVE THESE INSTRUCTIONS.
5. Use the manual/emergency release only when the gate is not moving.
I. Before Installation
5. This gate operator is intended for vehicular gates only. A
separate entrance or gate must be installed for pedestrian use
(see page 6).
1. Verify this operator is proper for the type and size of gate,
frequency of use and class of the gate system.
6. Always keep people and objects away from the gate and its
area of travel. No one should cross the path of a moving gate.
2. Make sure the gate has been properly installed and swings
freely in both directions. Repair or replace all worn or damaged gate hardware prior to installation. A freely moving
gate will require less force to operate and will enhance the
performance of the entrapment protection devices used with
the system (see page 9).
3. Review the operation of the system to become familiar with
its safety features. Understand how to disconnect the operator
for manual gate operation (see page 1).
4. The gate and operator installation must comply with any applicable local codes.
7. Identify all of the entrapment zones for the type of installation. An entrapment zone is an area around the automatic 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 from a highway
or main thoroughfare, make sure the gate system is placed far
enough from the road to prevent traffic congestion.
ZONE 1
ZONE 2
ZONE 2
ZONE 5
ZONE 4
Gate in the Open Position
2 MM562 Installation Instructions
ZONE 3
ZONE 3
Driveway
Entrapment Zones for a
Pull-To-Open Application
ZONE 5
ZONE 4
Gate in the Open Position
Important Safety Information
For the Installer and End User
Typical Entrapment Zones are shown in the diagrams on page 2:
Zone 1 – leading edge of the gate and the fence post.
Zone 2 – between the gate and the gate post.
Zone 3 – the path of the gate.
Zone 4 – the space between the gate in the open position and any object such as a wall, fence, tree, etc.
Zone 5 – pinch points between the operator and gate.
II. During Installation
1. Install the gate operator on the inside of the property and fence line. DO NOT install an operator
on the outside of the gate where the public has
access to it.
2. Be careful with moving parts and avoid close
proximity to areas where fingers or hands could
be pinched.
3. Devices such as contact sensors (sensing
edges) and non contact sensors (photo beams)
provide additional protection against vehicular
damage.
4. If push buttons or key switches are installed, they
should be within sight of the gate, 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 not activate your gate operator unless you can
see it and can determine that its area of travel is
clear of people, pets, or other obstructions. Watch
the gate through its entire movement.
6. Secure outdoor or easily accessed gate operator
controls in order to prohibit unauthorized use of
the gate.
Pull-To-Open Application
10'
10'
10'
Moving Gate
Area
10'
Moving Gate
Area
Driveway
10'
NEVER INSTALL
any control device
within gray area
10'
MM562 Installation Instructions
3
Important Safety Information
For the Installer and End User
III. After Installation
1. Attach the warning signs (included) to each side
of the gate to alert the public of automatic gate
operation. It is your responsibility to post warning
signs on both sides of your gate. If any of these
signs or warning decals becomes damaged,
illegible, or missing, replace them immediately.
Contact GTO for free replacements.
2. The gate is automatic and could move at any
time, posing serious risk of entrapment. No one
should be in contact with the gate when it is
moving or stationary.
3. Do not attempt to drive into the gate area while
the gate is moving; wait until the gate comes to a
complete stop.
4. Do not attempt to “beat the gate” while the gate is
closing. This is extremely dangerous.
5. Do not allow children or pets near your gate.
Never let children operate or play with gate
controls. Keep the remote control away from
children and unauthorized users; store controls
where children and unauthorized users do not
have access to them.
6. KEEP GATES PROPERLY MAINTAINED.
Always turn power to operator OFF before
performing any maintenance. See page 33 for
maintenance procedures.
4 MM562 Installation Instructions
7. To operate this equipment safely, YOU must
know how to disconnect the operator for manual
gate operation (see page 1). If you have read the
instructions and still do not understand how to
disconnect the operator, contact the Mighty Mule
Service Department.
8. Disconnect the operator ONLY when the power
is TURNED OFF and the gate is NOT moving.
9. Make arrangements with local fire and law
enforcement for emergency access.
10. Distribute and discuss copies of the
IMPORTANT SAFETY INFORMATION
section of this manual with all persons
authorized to use your gate.
11. IMPORTANT: Save these safety instructions.
Make sure everyone who is using or will be
around the gate and gate operator are aware
of the dangers associated with automated gate
systems. In the event you sell the property
with the gate operator or sell the gate operator,
provide a copy of these safety instructions to
the new owner.
Should you need a replacement manual, a copy
can be obtained by downloading one from the
Mighty Mule web site (www.mightymule.com),
by contacting GTO, at 3121 Hartsfield Road,
Tallahassee, Florida 32303 or by calling 1-800543-4283 and requesting a duplicate copy. One
will be provided to you.
Important Safety Information
For the Installer and End User
Mighty Mule gate operators utilize Dual Sense Technology entrapment protection. Dual Sense Technology
is built into every Mighty Mule and provides redundant methods of entrapment protection for open and
close gate directions.
In addition to Dual Sense Technology, every Mighty
Mule gate controller has provisions for the connection
of additional obstruction detection devices such as
sensing edges and photo beams.
These devices may be located where there is an
increased risk of obstruction. Refer to the diagram
below.
One or more edge sensors may be located at the leading edge, bottom edge, and post edge, both inside and
outside of a vehicular swing gate system.
Wiring to sensors must be located and arranged so the
wiring between the sensor and the gate operator is not
subjected to mechanical damage.
A wireless sensor such as one that
transmits radio frequency (RF) signals to the gate
operator for obstruction protection functions shall be
located where the transmission of the signals is not
blocked or impeded by building
structures, natural landscaping or similar
objects.
Leading Edges
of gates
®
E-Z GATE OPENER
500
UL325 SERIES
1-800-543-GATE (4283)
www.mightymule.com
Photo Beam
(recommended, not included)
Vehicular Gate
Vehicular Gate
Sensing Edges
Sensing Edges
(recommended, not included)
(recommended, not included)
Photo Beam
(recommended, not included)
Entrapment Protection
Mighty Mules’s Dual Sense Technology™ provides entrapment protection, even when properly adjusted. Since all
installations are different, you may need to add photo beams or sensing edges to help prevent damage to vehicle or other
items that could be hit by a moving gate.
Entrapment Alarm
The Mighty Mule Automatic Gate Operator is designed to stop and reverse the gate when the gate comes in contact with
an obstruction. Additionally, these operators are equipped with an audio entrapment alarm which will activate if the unit
obstructs twice while opening or closing. This alarm will sound for a period of 5 minutes, or until the operator receives
an intended signal from a hard wired entry/exit source (e.g. push button control or keypad) and the gate returns to a fully
open or fully closed position. Turning the power switch on the control box OFF and back ON will also deactivate the
alarm. Wireless controls such as transmitters and wireless keypads will not deactivate the alarm.
MM562 Installation Instructions
5
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.
The operator is intended for installation only on 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 not come in contact with the vehicular gate during the entire path of travel of the vehicular
gate.
We recommend using the GTO Bulldog Pedestrian Gate Lock (Call the GTO Sales Department at 800-543-4283)
for controlled access.
Bulldog Pedestrian
Gate Lock
(recommended, not included)
Pedestrian Gate
7 foot
minimum
Warning Sign
Warning Sign
Vehicular Gate
Warning Signs
The gate operator is provided with 2 safety warning signs.
The signs MUST be installed on the front and back of the
gate where they will be visible in the area of the gate.
Permanently secure each warning sign to the gate.
Immediately replace a damaged or missing warning sign.
6 MM562 Installation Instructions
Vehicular Gate
!
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 GTO for replacements.
®
562
1-800-543-GATE (4283) • www.mightymule.com
!
WARNING
MOVING GATE
Can Cause Injury or Death
1. KEEP CLEAR! Gate may move at any time.
2. Do not allow children to operate gate or play in gate area.
3. This gate is for vehicles only. Pedestrians must use separate entrance.
Logo and warning labels (4) installed on each side of
the operator housings
®
www.mightymule.com
1-800-543-GATE (4283)
TO MANUALLY OPEN AND CLOSE THE GATE
1. Turn opener power switch OFF.
2. Disconnect front and rear mount from mounting brackets.
3. Remove opener from mounting brackets and move gate.
Disconnect opener ONLY when the power switch is OFF and
the gate is not moving.
Control Box label with Manual Open and
Close instructions
MM500 SERIES DC Swing Gate Operator
P/N MM562
9901178
Conforms to UL STD 325
Certified to CSA STD C22.2 No.247
Maximum Gate: 850 lb. (385.5 kg); 18 ft. (5.5 m)
Voltage: 12 Vdc; Frequency: 0 Hz; Power: 25 W
Class I Vehicular Swing Gate Operator.
Serial Number: MM562-0000000
TO MANUALLY OPEN AND CLOSE THE GATE:
1. Turn control box power switch OFF.
2. Disconnect front or rear mount from mounting bracket.
3. Pull operator away from mounting brackets and move gate.
Disconnect operator ONLY when the control box power
switch is OFF and the gate is NOT moving.
MMDDYY
GTO Access Systems, LLC - Tallahassee, Florida USA
Product identification and manual operation instruction
label installed on right hand side of control box.
MM562 Installation Instructions
7
Technical Specifications
MIGHTY MULE GATE OPENER
DRIVE
• Low friction screw drive (linear actuator) rated for -5 ºF to +160 ºF (-20 ºC to +71 ºC).
• Powered by a 12 V motor with integral case hardened steel gear reducer. Motor speed reduced to 260 rpm.
• Maximum opening arc of 110º. Approximate opening time (90º): 20 seconds, depending on weight of gate.
POWER
• The system is powered by two 12 Vdc, 7.0 Ah, sealed, rechargeable acid batteries.
• Battery charge is maintained by a18 Vac output transformer or optional solar panel(s). One (1) blade-style control
board fuse rated for 25 A.
NOTE: The 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.
• Battery charge is maintained by GTO Solar Panel Charger kit (10 Watt minimum).
CONTROL
• GTO microprocessor-based control board is set for single leaf, pull-to-open gate installations. DIP switches can be
adjusted to accommodate an optional kit for push-to-open gates (see Accessory Catalog).
• A circuit on the control board regulates charging. "Sleep draw" is 40 mA; "active draw" is 2 to 5 A.
• Auto-memorization of digital transmitter code.
• GTO remote-mounted RF receiver tuned to 318 MHz.
• Opener length with push-pull tube fully retracted is 401/4", mounting point to mounting point. Max stroke 20".
• Adjustable auto-close timer and Dual Sense Technology stall force.
• Power terminal bock accommodates a transformer or solar panels.
• DIP switches simplify setup of gate opener.
• Accessory terminal block is fully compatible with push button controls, digital keypads, loops, etc.
• Control board allows connection of edge sensors and photoelectric sensors.
• Audio entrapment alarm sounds if the unit encounters an obstruction twice while opening or closing.
OPERATIONAL CAPACITY
• The Gate Capacity Chart shows approximate cycles, per day, you can expect from the Mighty Mule Automatic Gate
Opener when powered with a transformer and 12V battery, prior to the battery depleting to a state where the unit will
not function. Actual cycles may vary slightly depending upon the type and condition of gate and installation.
Mighty Mule 562 Gate Capacity /Cycle Chart
Estimated number of daily cycles, based on use with a transformer and one(1) 12 Volt battery.
NOTE: "NR" indicates this
size and weight combination
is not recommended for the
Mighty Mule gate openers.
Gate Weight
IMPORTANT: BALL BEARING HINGES SHOULD
BE USED ON ALL GATES
WEIGHING OVER 250 Lbs.
Number of Cycles Per Day
850 lbs.
750 lbs.
650 lbs.
550 lbs.
450 lbs.
350 lbs.
250 lbs.
150 lbs.
100 lbs.
50 lbs.
68
73
78
83
88
93
98
103
108
113
5’ - 6’
63
68
73
78
83
88
93
98
103
108
8’
NR
63
68
73
78
83
88
93
98
103
10’
Gate Length
NR
NR
63
68
73
78
83
88
93
98
12’
NR
NR
NR
63
68
73
78
83
88
93
14’
NR
NR
NR
NR
63
68
73
78
83
88
16’
NR
NR
NR
NR
NR
63
68
73
78
83
18’
NR = NOT RECOMMENDED
To determine the number of cycles the gate opener will perform using solar panels (see page 22)
These specifications are subject to change without notice.
8 MM562 Installation Instructions
Installation Overview
Pull-to-Open Gates (Gate Opens into the Property)
The diagram shown below is an example of a pull-to-open installation on a chain link fence and dual gates. Mounting the openers on
a masonry column requires special procedures; see Column Installation Information on page 36 if you intend to mount the openers
on columns. Furthermore, if you have push-to-open gates, you will need to purchase two (2) push-to-open brackets (see Accessory
Catalog) to properly configure your system. See Push to Open Installation on page 30 before proceeding.
Control box
with batteries
Receiver
Gate swings evenly and freely
hung firmly and plumb
120 Volt indoor
transformer
Post bracket assembly
®
E-Z GATE OPENER
500
UL325 SERIES
1-800-543-GATE (4283)
www.mightymule.com
(surge protector
not supplied)
Gate bracket
Second gate opener
Master gate opener
6' Power cable
Closed position plates
Concrete poured around gate post
Run 1000' (max.) of low
voltage wire to control
box from transformer
(wire not included).
PVC conduit (not included)
to protect second opener
power cable and low voltage wire
from lawn mowers and weed eaters.
Preparation of the Gate
Step 1
The gates must be plumb, level, and swing freely on their hinges.
Wheels must not be attached to the gates. The gates must move
throughout their arc without binding or dragging on the ground.
Note that gates over 250 lb. should have ball bearing hinges with
grease fittings.
Horizontal Cross Member
Step 2
The fence posts must be secured in the ground with concrete so
they will minimize twist or flex when the openers are activated.
We recommend you position the openers near the centerline of the
gates to keep the gates from twisting and flexing and to avoid back
splash from rainwater. The addition of horizontal or vertical cross
members (if they are not already in place) to provide a stable area for
mounting the gate brackets is also important.
Gate Grounding
• Shorter wire (6 AWG) is better, 1 to 2 feet recommended.
• Bolt ring terminal at end of cable 4 - 6 inches above ground level.
Vertical Cross Member
Metal Gate
Post
Ground Rod
Clamp
6 AWG Wire
R4196 Kit Includes:
• Ground Rod Clamp
• 6 AWG Wire (3 feet)
NOTE: No grounding system absolutely protects against lightning
strikes. If installed correctly, a grounding system will help minimize
damage to your gate opener.
8 Foot Ground Rod
5/8” Copper Clad Steel (not included)
- available at local homecenter and hardware stores -
MM562 Installation Instructions
9
Dual Gate Opener Parts List
Opener and Mounting Hardware
®
R
ENE
TE OP
E-Z GA
Installation Video (1)
Customer Support Card (1)
Gate Opener (1)
w/ 32' Power Cable
8" Nylon Cable Tie (20)
Gate Opener (1)
w/ 6' Power Cable
Gate Bracket (2)
Closed Position
Stop Plate (2)
Post Bracket (4)
Post Pivot Bracket (2)
Hardware
3/8" x 8" Bolt (8)
3/8" Washer (18)
3/8" x 3" Bolt (4)
3/8" Lock Washer (14)
3/8" x 2" Bolt (2)
5/16" Washer (2)
3/8" x 1-1/2" Clevis Pin (4)
Hairpin Clip (4)
10 MM562 Installation Instructions
2" Mounting Screw (5)
5/16" x 1-3/4" Bolt (2)
3/8" Nut (14)
5/16" Nut (2)
3/8" Bushings (4)
Dual Gate Opener Parts List (continued)
Control Box and Electrical Components
Battery (1)
! WARNING
Receiver (1)
GTO Transmitter(1)
Moving Gate Can Cause
Injury Or Death
1.
KEEP CLEAR! Gate may move at any time.
2.
Do not allow children to operate gate or
play in gate area.
3.
This gate is for vehicles only. Pedestrians
must use a separate entrance.
Warning Signs (4)
Transformer (1)
Tools Needed
• Power Drill
• Open End Wrenches — 9/16" and 1/2"
• Long 3/8" and 5/16" Drill Bit
• Hacksaw or Heavy Duty Bolt Cutters
• Small (Flat Bladed) Screwdriver
• Phillips Screwdriver
Control Box (1)
• Tape Measure
• Level
• Wire Strippers
• C-Clamps — small, medium, and large
• Center Punch
• An extra person will be helpful
YOU MAY ALSO NEED THESE ITEMS BEFORE YOU BEGIN THE INSTALLATION
(Some of these items can be found in the Accessory Catalog page 37):
•Low voltage wire will be needed to run from the transformer to the control box; length depends upon the distance between
the transformer power supply and the control box. See Powering the System on page 21, and the Accessory Catalog.
• If your gate is more than 1000' away from an ac power source you will need to use at least 10 to 30 Watts of solar charging
power to trickle charge the battery. See the Accessory Catalog.
• If your fence post is made of wood and is less than 6" in diameter or 6" square, see page 12.
• If your fence post is larger than 6" in diameter you will need threaded rods or carriage bolts longer than 8". See page 15.
• PVC conduit.
• If you have thin walled tube or panel gates, see Recommended Reinforcement Examples on page 12.
• Depending on the type of gate, a horizontal cross member or mounting plate may be needed to mount the front of the
opener and gate bracket to the gate. See page 11, step 2; page 15, step 11.
• Surge protection for transformer.
• Some types of installations require U-Bolts.
• If the gate is a push-to-open refer to page 30
• Additional washers or a metal plate may be needed for wooden post.
• Weatherproof outlet and cover if transformer is plugged into an outside outlet.
MM562 Installation Instructions
11
Installation of Mounting Hardware
POST BRACKET
The position of the post bracket determines the leverage and efficiency of the
opener. The post bracket position also sets the clearance between the opener and
gate in the open and closed positions (minimum 2 inches).
The curved design of the post bracket works well for installations on round and
square fence posts. Because the post bracket carries the entire thrust of the active
opener, bolts that completely penetrate the fence post must be used.
Metal
Plate
Pull-to-Open Installation
Larger than
6" diameter
post
NOTE: A fence post smaller than 6" in diameter or 6" square should be made of
metal instead of wood so that it will remain stable while the opener is moving the
gate. See examples below.
Square Wood Post
Post
Bracket
Post
Bracket
On round posts of 6" diameter or larger, the post pivot bracket may not be
necessary for the installation. In this instance, the two post brackets are mounted
by themselves.
Square Metal Post
Metal
Plate
Wooden
Post
On wooden posts, place a metal plate or washer (not supplied) between the nuts
and the fence post to prevent the thrust of the opener from pulling the bolts and
washers through the wood.
TOP VIEW
Wooden
Post
Gate Hinge
Post Bracket
without Pivot
Bracket
SIDE VIEW
Round Metal Post
Round Wood Post
GATE BRACKET
IMPORTANT: We strongly recommend using steel pipe, 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 when the opener is installed.
Example using muffler clamp
for installation of gate bracket
on thick walled tube gate
(does not require drilling and is
adjustable)
Example using wood
or metal to reinforce
installation of gate
bracket on thin
walled tube gate.
Muffler Clamp
(not supplied)
Gate Bracket
Thin Walled
Tube Gate
Gate Bracket
Gate
Bracket
Wood or Metal
Reinforcement
(not supplied)
Panel
Gate
1" x 6" Wood
Reinforcement
12 MM562 Installation Instructions
Example using wood
or metal to reinforce
installation of gate
bracket on panel
gates.
Determining the Mounting Position
of the Post Bracket Assembly and the Gate Bracket
Post Bracket Assembly
Step 1
Insert the 3/8" x 2" bolt through the
center hole of the post brackets and
post pivot bracket as shown. Fasten a
3/8" lock washer, 3/8" washer and 3/8"
nut on the end of the bolt. DO NOT
overtighten the nut because the post
pivot bracket will have to be adjusted
later.
NOTE: The following steps are
intended for pull-to-open gate
installations. If you are mounting
your gate openers on a push-toopen gate (e.g., a gate on a sloped
driveway) you will need to purchase
two Push To Open brackets (see
Accessory catalog). Also, see Pushto-Open Installation beginning on
page 30.
3/8" x 2" Bolt
Post Bracket
Push-To-Open Bracket
(optional accessory)
Post Bracket
3/8" Washer
3/8" Lock Washer
3/8" Nut
Step 2
Attach post bracket assembly and gate bracket to the opener with the clevis pins and bushings. Secure the clevis pins with
hairpin clips.
Clevis Pin
Front Mount
Rear Mount
Bushing
Clevis Pin
Opener
Bushing
Hairpin Clip
Gate Bracket
Hairpin Clip
Post Bracket Assembly
Step 3
With the gate in the open position (up to 110º from its closed position) and the gate opener arm fully retracted, adjust the post bracket
assembly and gate bracket until the opener is level. While holding the opener level, use C-clamps to temporarily secure the post
bracket assembly and gate bracket to the fence post and gate.
Post Bracket Assembly
Level Opener
LEVEL hori
zontal cro
Fence Post
ss membe
Gate In Open Position
Opener Arm Fully Retracted
r
Gate Bracket
MM562 Installation Instructions
13
IMPORTANT: While determining the mounting point for the post pivot bracket assembly, be sure that the position allows
for minimum 2 inches of clearance between the gate and the opener in both the open and closed positions, as shown in the
diagrams below. This clearance will give the opener the most efficient leverage point for opening and closing the gate and
more importantly provides the least possible pinch area.
Step 4
When you feel that you have the best position for the post pivot bracket in the open
position, insert the 5/16" x 1-3/4" bolt through the aligned holes of the post bracket and
post pivot bracket to hold it in place. Remove the clevis pin from the front mount and
while supporting the gate opener, swing the gate and gate opener to the closed position.
With the gate and gate opener in the closed position check the clearance (see diagram
below) and be sure that the gate opener is not binding at the post pivot bracket.
5/16” bolt
Post Bracket Assembly
Opener
If you don't have 2 inches of clearance or the gate opener is binding on the post pivot
bracket, remove the 5/16" x 1-3/4" bolt and readjust the pivot bracket until you can
achieve these important clearances. Reinstall the bolt and related hardware as shown.
With the post pivot bracket in the optimum position for clearance and freedom of movement while maintaining 19 inches or
less on the stroke. Reattach the opener to the gate bracket in the open position and recheck the gate opener level and make
sure the brackets are clamped securely.
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 achieve
the proper clearances.
2) install the unit as a push to open (bracket not
included).
3) re-hang the gate within 4" inches of the back
corner of the column.
2" minimum
Gate in the
CLOSED POSITION
20" maximum
NOTE: Re-hanging the gate, depending on
the construction of a column, may require
additional expertise and tools/materials.
Be sure gate opener
and bracket don't bind.
TIP: Turning the pivot bracket
over gives more hole alignment
options for the post pivot bracket
assembly. You can also move the
entire post pivot bracket assembly
to different positions on the gate
post to help achieve the proper
clearances.
14 MM562 Installation Instructions
Pinch Area
Pinch Area
Gate in the
OPENED POSITION
2" minimum
Installing the Post Bracket Assembly and Gate Bracket
Step 1
Mark reference points for bolt holes on the fence post through middle of bracket slots. Mark reference points for bolt holes
on the gate cross member through middle of gate bracket slots. After marking your reference points, remove the opener and
brackets from the fence and gate.
Step 2
Drill 3/8" holes into fence post
as marked.
EXAMPLES
TOP VIEW
Mark fence post through middle of bracket slots
and drill 3/8" holes
Step 3
Round Metal Post
Fasten post bracket assembly to
the fence post using
(4) 3/8" x 8" bolts, washers,
lock washers, and nuts
(provided).
Square Metal Post
SIDE VIEW
Post Bracket
Assembly
NOTE: In cases where the
fence post has a diameter larger
than 6", threaded rods or
carriage bolts longer than 8"
(not supplied) must be used.
Square Wood Post
Step 4
Remove excess bolt length
with hacksaw or bolt cutters
Drill 3/8" holes into the gate
cross member as marked.
Round Wood Post
Mount gate bracket using (2)
3/8" x 2-3/4" bolts, washers, lock washers, and nuts (provided).
NOTE: After the gate opener installation is complete and operation
of the opener system has been tested, you should remove excess bolt
length extending beyond the tightened nuts with a hacksaw or bolt
cutters.
Gate Bracket Mounting Examples
FRONT VIEW
SIDE VIEW
Round Tube & Chain Link Gate
Square Tube Gate
FRONT VIEW
SIDE VIEW
Mounting Plate
Created for
Decorative Gate
(required but not
supplied)
Remove excess bolt length
with hacksaw or bolt cutters
MM562 Installation Instructions
15
Mounting the Master Opener
Attach the opener to the securely bolted post bracket assembly and gate bracket using clevis pins, bushings, and hairpin clips,
or the optional Pin Locks (FM133). Verify that the opener is level and adjust the post bracket assembly if necessary.
Post Bracket Assembly
bolted to fence post
Level Opener
LEVEL hori
zontal cro
Gate Bracket bolted
to gate cross member
ss membe
r
Clevis Pin, Bushing, and Hairpin Clip
Fence Post
Gate In Open Position
Clevis Pin, Bushing, and Hairpin Clip
Installing the Second Opener
Install the second opener on the remaining gate leaf by repeating the same process for installing the Master Opener starting
on page 12 through page 16.
NOTE: You will need to run the Second Opener power cable and any hard wired sensor or photo beam wires under the
driveway to the control box.
After you have mounted the second opener, proceed to Installation of the Closed Position Stops on the next page.
16 MM562 Installation Instructions
Installation of the Closed Position Stops
The Mighty Mule Gate Openers firmly hold the gates in the closed position using positive stops.
The positive stops help stabilize the gate leaves in the closed position. To further enhance stability
and security, we strongly recommended using an optional Mighty Mule Automatic Gate Lock
with your dual gate (see Accessory Catalog).
Optional Ground Stop
(beneath gate)
Gate Hinge
MASTER GATE
IMPORTANT: The gate and gate opener
on the same side as the control box will be
referred to as the MASTER 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.
Gate Hinge
SLAVE GATE
Closed Position Stop Plates
CONTROL BOX
The gate leaf can open
up to 110˚ (max.)
The gate leaf can open
up to 110˚ (max.)
Illustration A
Step 1
Closed Position Stop Plate mounted
horizontally on metal post with U-bolts.
Attach the horizontal closed position stop plate to the
MASTER gate leaf.
Detach the gate operators from the gates and move the
gates to their closed position (Illustration A). Using
appropriate hardware for your type of gate (U-bolts for
tube or chain link; screw or bolts for wood or metal,
not included) attach the closed position stop plate
(horizontally) about mid height on the MASTER gate
frame. Do not tighten it completely at this time. Slide
the stop plate toward the frame of the SECOND gate leaf
until they touch (Illustration B). Once you have moved
the stop plate to the correct position, tighten its hardware
completely.
FRONT VIEW
SECOND Gate Frame
MASTER Gate Frame
TOP VIEW
Illustration B
NOTE: The optional ground stop post is used to provide a secure point for the SECOND gate to close
against. If you will be using the Mighty Mule Gate Lock accessory with your gate opener system, the
closed position ground stop is REQUIRED, as shown in Steps 2 and 3 on the next page.
MM562 Installation Instructions
17
Step 2
Install a low profile ground stop (not provided) beneath the
SECOND gate stop plate.
Mount Vertically
The ground stop needs to be positioned near the end of the
gate as shown in Illustration A and may be made of metal
or concrete and should be firmly secured in the ground (we
recommend setting it in concrete).
Closed Position Stop Plate mounted
on the gate leaf that CLOSES FIRST
SIDE VIEW
Closed Position Stop Plate
Low Profile Ground Stop
in Near the Center of Driveway
FRONT VIEW
Step 3
Attach a vertical closed position stop plate to the SECOND
gate.
Illustration C
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 contact with the
ground stop post.. Do not tighten it completely at this time.
You must slide the closed position stop plate toward the
ground stop until they touch (Illustration C). Once you
have moved the stop plate to the correct position, tighten its hardware completely.
Step 4
Reinstall the master gate operator (6 foot cord) on the side of the gate where you plan to install the control box. Reinstall the
second gate operator (32 foot cord) on the opposite side.
NOTE: For a push-to-open installation (gate opens out from the property) attach the closed position stop plate to the outside
of the gate.
At this stage of the installation, the openers should be installed on the
gate leaves and the open and closed position stops should be in place.
SECOND Gate Opener
Post Bracket Assembly
MASTER Gate Opener
Gate Bracket
Closed Position
Positive Stop Plates
18 MM562 Installation Instructions
OPTIONAL Closed Position
Ground Stop Post
Mounting the Control Box
Step 1
Mount the control box using the screws (provided) or another
secure mounting method. The control box must be mounted at
least 3 feet above the ground to protect it from rain splash,
snow, etc., and at least 3 feet from an AC power source to
prevent electrical interference.
Use mounting
holes and screws
provided to mount
control box to a
secure surface.
NOTE: The batteries that came with your gate opener,
MUST be placed in the top (horizontal) battery slot with
the terminals on the RIGHT. The extra (vertical) battery
slot is for the second battery.
Step 2
12 Volt Battery
(included)
BLACK wire to Negative Terminal
RED wire to Posative Terminal
LOCK
PWR
AUX
AUX
RLY
CONTROL
OUTPUTS
GTO
LOCK
GTO
TRANSF
POWER
INPUTS
18 VAC
or
SOLAR
GRN
PWR IN
BLU
BRN
ORG
CHARGING
WHT
SLAVE CABLE
25
FUSE
RED
BLK
GRN
BATT-
WHT
BLU
BRN
ORG
RED
Battery wires for
optional second battery.
BATT+
MASTER CABLE
BLK
COM
120
AUTO CLOSE TIME
OFF
OFF
OFF
ON DIP
ON
ON
MAX
STATUS
S3
S2
LEARN RMT
S4
LEARN
SLV LIMIT
ALM
LEARN
MAST LIMIT
BLK
RED
ON
ON
PUSH
SIMULT.
GRN
RECEIVER
GTO RCVR.
STALL FORCE
MIN
1 2 3 4
EXIT
CLOSE
EDGE
OPEN
EDGE
SOFT START OFF
WARNING
OFF
OPEN
PULL
SLV OPEN DLY.
SAFETY
SHADOW
MODE1
MODE2
COM
CYCLE
CONTROL INPUTS
Make sure the control box power switch is
in the OFF position. The ON/OFF Switch
is located on the bottom of the control box.
Remove the control box cover and slide the
battery into position with its terminals to
the RIGHT (see illustration). Connect the
BLACK battery wire to the NEGATIVE
(–) battery terminal. Connect the RED
battery wire to the POSITIVE (+) terminal.
Pay close attention to the color of the wires.
If the wires are connected incorrectly, the
control board will be damaged. NEVER
insert the battery with the terminals to
the left.
Space for optional
second 12 Volt battery
(see Accessory Catalog)
Step 3
Remove lock nut from strain relief hub, insert hub
in knock out hole and secure with lock nut as shown
below. Leave sealing nut attached for now.
Lock Nut
Strain Relief
The control box comes with one Strain Relief Bushing
installed. For dual gate applications you need to remove
the second strain relief knock out and install the second
strain relief (included).
Hub
Sealing Nut
Lock Nut
Tighten
Lock Nut
1
Hub
2
Sealing Nut
MM562 Installation Instructions
19
Running Power Cables Into Control Box
Step 4
Review the Installation Overview illustration on page 9 before proceeding.
Cut a 6" deep slot into the driveway to accommodate PVC conduit (not provided) for the power cable coming from the
Second opener to the control box. The buried conduit will protect the 32 foot power cable from automobile tires, lawn mower
blades, weed eaters, and grazing animals. Pull the second opener power cable through the conduit and secure them into the
slot in the driveway.
Second gate opener
Master gate opener
®
E-Z GATE OPENER
500
UL325 SERIES
1-800-543-GATE (4283)
www.mightymule.com
Run PVC conduit (not included) under driveway to protect
second opener power cable and low voltage wire.
Step 5
Twist each end of the gate opener power cable’s 7 colored wires. Feed cables through strain relief sealing nuts.
Feed cables through the strain relief bushing into control box. Pull enough cable into the control box to easily reach the
Master and Second Operator terminals (6" or so ). Secure cables by tightening the sealing nut.
FUSE
15
AUX
RLY
GTO
LOCK
AUX
SEALING NUT
BLU
N
BR
BATT+
T
WH
BATT-
SECOND CABLE
N
GR
G
OR
RED
BLK
2
3
4
ON
LEARN RMT
STATUS
MAX
S3
S4
OW
AD
SH
RECEIVER
SE
CLOGE
ED
EN
OPGE
ED
S2
LEARN
SLV LIMIT
TY
IT
EX
LEARN
MAST LIMIT
LE
FE
SA
CONTROL INPUTS
M
CO
ON
ON
PUSH
SIMULT.
ON
ON
BLK
M
CO
CYC
120 MIN
RED
STALL FORCE
G
OR
1
N
BR
OFF
BLU
AUTO CLOSE TIME
T
WH
SOFT START OFF
WARNING OFF
OPEN
PULL
SLV OPEN DLY.
MODE1
OFF
MODE2
OFF
MASTER CABLE
N
GR
K
BL
D
RE
ALM
GTO RCVR.
GRN
6”
SECURE SEALING NUTS
20 MM562 Installation Instructions
Connecting Opener Power Cables
MASTER Operator
Step 6
Insert the stripped power cable wires into the appropriate
terminals on the MASTER OPERATOR terminal block.
The green wire should be inserted into the GRN terminal,
the white wire into WHT, the blue wire into BLU, brown
wire into BRN, the orange wire into the ORG, the red
wire into the RED, and the black wire into the BLK
terminal.
WHT
BLU
BRN
ORG
RED
BLK
COM
COM
SAFETY
EXIT
Wrong
Wrong
SHADOW
CLOSE
EDGE
OPEN
EDGE
Screwed into
wire insulation
Exposed strands
of wire
GRN
RECEIVER
Terminal
Block
GTO RCVR.
Wire
CONTROL INPUTS
Power Cable from the
Master Operator Arm
CYCLE
Correct
MASTER OPERATOR
Tighten the set screws against the end of the wires.
GRN
BLK
RED
SECOND Operator
CONTROL
OUTPUTS
AUX
RLY
GRN
BLU
BRN
ORG
2ND OPERATOR
WHT
RED
Tighten the set screws against the end of the wires.
PWR
Power Cable from the
Second Operator Arm
AUX
Insert the stripped wires of the power cable into the
appropriate terminals on the 2ND operator terminal
block. The green wire should be inserted into the GRN
terminal, the white wire into WHT, the blue wire into
BLUE, brown wire into BRN, and the orange wire into
the ORG terminal, red wire into RED, and black wire
into BLK.
LOCK
GTO
LOCK
Step 7
BLK
GRN
BLU
BRN
ORG
RED
MASTER OPERATOR
WHT
BLK
COM
COM
CON
CYCLE
MM562 Installation Instructions
21
Powering the System
Installation of the Transformer
IMPORTANT:
• Never connect the transformer and a solar panel to the opener control board at the same
time. It will damage the control board.
•
The transformer is designed and intended for indoor use. If the transformer can be plugged only
into an outside electrical outlet, a weatherproof cover or housing (available at local electrical
supply stores) must be used.
•
All low voltage wire used with the Mighty Mule Gate Opener must be 16 gauge dual conductor,
stranded, direct burial wire (see page 22 and the accessory pages). Do not run more than 1000
feet of wire.
•
If your gate is more than 1000 ft. from an ac power source, you will need to use at least one 10
watt Solar Panel to charge the battery (see the accessory pages). Refer to the Solar Panels and
Gate Activity chart below.
OPTIONAL Solar Panels and Gate Activity
Winter Ratings
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
watts of solar charging
power, prior to the battery
depleting to a state where
the unit will not function.. (see Accessory
Catalog). The figures shown are for winter
(minimum sunlight) and do not account for
the use of any accessory items. Accessories
connected to your system will draw additional
power from the battery.
12 v dual gate (10 watts) solar charger 12 v dual gate (15 watts) solar charger 12 v dual gate (20 watts) solar charger 12 v dual gate (25 watts) solar charger 12 v dual gate (30 watts) solar charger Zone 1
4
7
10
13
16
Zone 2
Zone 3
8
13
18
23
28
13
20
27
34
41
NOTE: A maximum of 30 watts of solar
charging power can be connected to the
Mighty Mule Gate Opener. Consult Solar
Panel Installation Instructions for further
information.
Step 1
Make sure the power switch is OFF before proceeding to the next step.
Step 2
ON/OFF Switch
22 MM562 Installation Instructions
Select the electrical outlet into which you will plug the transformer.
Measure the distance from this outlet to the control box following the
path where the wire will be laid. After you have measured how much
wire is needed, cut the wire to the appropriate length.
IMPORTANT INFORMATION ABOUT LOW VOLTAGE WIRE
The only wire acceptable for use with GTO products is 16 gauge stranded, low voltage, PVC sheathed
wire. This particular gauge enables the transformer to provide an adequate charge through the control
board to the battery at distances up to 1000 ft.
DO NOT use telephone wire or solid core wire. Unlike stranded wire, these types of wire are not
appropiate for use with your gate opener system.
AVOID splicing wires together. Splicing permits corrosion and seriously degrades the wire's ability to
carry an adequate current.
Step 3
GTO
POWER
INPUTS
TRANSF
18 VAC
or
SOLAR
PWR
LOCK
GTO
LOCK
AUX
RLY
AUX
CONTROL
OUTPUTS
Lay the measured length of low voltage wire in a trench following a path
from the selected electrical outlet to the control box. Wires coming up from
the ground should be run through PVC conduit to protect them from lawn
mower blades, weed eaters, and grazing animals. Be sure to bury the wire
laid in the trench.
GRN
PWR IN
BLU
BRN
ORG
CHARGING
SLAVE CABLE
WHT
25
FUSE
RED
BLK
GRN
BRN
ORG
RED
BATT+
BLU
Step 4
BATT-
MASTER CABLE
WHT
BLK
COM
120
OFF
OFF
AUTO CLOSE TIME
OFF
1 2 3 4
ON DIP
MAX
STATUS
S3
S2
LEARN RMT
S4
LEARN
SLV LIMIT
ALM
LEARN
MAST LIMIT
BLK
RED
ON
ON
PUSH
SIMULT.
ON
ON
GRN
RECEIVER
GTO RCVR.
STALL FORCE
MIN
CLOSE
EDGE
OPEN
EDGE
SOFT START OFF
WARNING
OFF
OPEN
PULL
SLV OPEN DLY.
Feed the low voltage wire upward
through the pre-drilled hole in the knock
out on the bottom of the control box.
Pull 6" to 8" of wire into the control
box, enough to reach the Power Input
on the control board.
EXIT
SHADOW
CONTROL INPUTS
CYCLE
SAFETY
MODE1
MODE2
COM
Power Cable
from Master Arm
Power Cable
from Slave Arm
??
Insert Low Voltage
Wire from Transformer
or Solar Panel
PVC Pipe with
Low Voltage Wire
from Transformer
WARNING! DO NOT PLUG THE TRANSFORMER
INTO AN OUTLET DURING THIS STEP! THE
TRANSFORMER MUST ONLY BE PLUGGED INTO
AN OUTLET DURING STEP 7!
POWER
INPUT
AUX
RLY
CONTROL
OUTPUTS
PWR
LOCK
AUX
GRN
WHT
BLU
BRN
ORG
RED
2ND OPERATOR
Insert one transformer wire into an 18VAC terminal.
Insert the other transformer wire into the remaining
18VAC terminal. The transformer wires can be
connected to the 18VAC terminals regardless of
polarity or color.
Low Voltage Wire
from AC Transformer
or Solar Panel
GTO
LOCK
Strip 3/16" off the ends of the low voltage wire
and twist tightly. Attach these ends to the 18VAC
terminals located on the POWER IN terminal block
(see illustration at right). Be certain not to let the
exposed wires touch each other!
RED
BLACK
GTO 18VOLT
TRANSFORMER
OR SOLAR
Step 5
BLK
GRN
BLU
BRN
ORG
RED
MASTER OPERATOR
WHT
Tighten set screws against exposed end of wires.
BLK
MM562 Installation Instructions
23
Step 6
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.
Make sure the exposed wires do not touch each other!
Plug the transformer into the electrical outlet.
(Use of a surge protector with the transformer is
strongly recommended.)
Transformer
HINT: Keep a few mothballs in the control box to
discourage insects from entering it and damaging the
control board.
SURGE PROTECTOR
Step 7
NOTE: If transformer will be located outside be sure
to enclose in a weatherproof cover (not included).
Solar Panel Connection
IMPORTANT: Never connect the transformer and a solar panel to the opener control board at the same
time. It will damage the control board.
If you are using the transformer included with the Mighty Mule Gate Opener to charge the opener battery, skip
this section and go to "CONTROL BOARD SETTINGS" below.
24 MM562 Installation Instructions
2ND OPERATOR
attach BLACK (–) to SOLAR INPUT
attach RED(+) to SOLAR INPUT
AUX
RLY
BLACK
CONTROL
OUTPUTS
BLACK
RED
PWR
GRN
WHT
RED
LOCK
AUX
Solar Panels connect in PARALLEL
GTO
LOCK
NOTE: For multiple panels wire the panels in parallel as
shown in this diagram.
RED
BLACK
POWER
INPUT
Tighten set screws against exposed end of wires.
Low Voltage Wire
from Solar Panel
GTO 18VOLT
TRANSFORMER
OR SOLAR
Strip 3/16" off the ends of the low voltage wire from the
solar panel and twist tightly. Insert these ends to the 18
VAC terminal block located on the control board (see
illustration at right). The wires can be inserted into either
terminal regardless of color. Be certain not to let the
exposed wires touch each other!
CONTROL BOARD SETTINGS
DIP Switches
DIP
ON
AUTO CLOSE TIME
STALL FORCE
STATUS
LEARN RMT
OFF
OFF
OFF
PULL
DLY.
OFF
OFF
MIN
MAX
ON DIP
SOFT START
WARNING
OPEN
SLV OPEN
MODE1
MODE2
120
1 2 3 4
DIP Switch #3 - Push/Pull-to-Open
ON - Push to open.
OFF - Pull to open (factory preset).
If your gate opens into the property the DIP
Switch is set to the OFF position (factory setting).
If your gate opens out from the property the DIP
Switch must be set to the ON position. NOTE:
if you have a Push-to-Open gate application you
will need a Push-to-Open bracket (see Push-toOpen Instructions on page 30).
ON
DIP Switch #2 - Warning Buzzer
ON - Buzzer warning enabled (factory preset).
OFF - Buzzer warning disabled.
The Warning Buzzer alerts you when the gate
opener is beginning to either open or close the
gate. It sounds for the first 2 seconds in each
direction. It also sounds a warning when the gate
obstructs two times in one cycle. Switching this to
OFF disables the open and close warning not the
obstruction warning.
OFF
DIP Switch #1 - Soft Start/Stop
ON - Soft start enabled (factory preset).
OFF - Soft start disabled.
The Soft Start/Stop feature slowly starts the gate
as it begins to open and slows the gate as it comes
to the closed position. This saves wear and tear on
the gate and gate opener system.
1 2 3 4
DIP Switch Settings (MODES)
ON
ON
PUSH
SIMULT.
ON
ON
S3
LEARN
MAST LIMIT
S2
LEARN
SLV LIMIT
S4
DIP Switch #4 - Delay/Simultaneous operation
ON - Second opens simultaneously with master.
OFF - Second opens after master (factory preset).
MM562 Installation Instructions
25
Setting the Closed Position Limits
for Pull to Open Applications
TURN CONTROL BOX ON
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. To achieve the optimum closed position, you must adjust the CLOSED
limit setting:
Step 1
Confirm that the power switch is in the ON position, and the gates are in the OPEN POSITIONS.
Step 2
CLOSE TIME
STALL FORCE
STATUS
LEARN RMT
120
Step 3
Note which gate has reached the desired closed position
(typically it's the Second gate), program the closed
limit setting for that gate by pressing and holding the
corresponding 'LEARN MAST LIMIT' or 'LEARN 2ND
LIMIT' for 5 seconds.
OFF
OFF
Step 4
MAX
ON DIP
ART OFF
G
OFF
PULL
EN DLY.
MIN
1 2 3 4
Activate your openers by pressing the entry transmitter
button. Your gates should now be moving from the fully
open positions toward their closing position. Prepare to
STOP gate that reaches the desired closed position first
by pressing the entry transmitter button again. This step
may be repeated until desired close position is achieved.
Once the desired CLOSED position has been achieved,
proceed to step 3.
ON
ON
PUSH
SIMULT.
ON
ON
S3
LEARN
MAST LIMIT
S2
LEARN
SLV LIMIT
S4
Learn Master Limit
Button
Learn Slave Limit
Button
Press the transmitter button and allow the gates to
return to the fully open position. YOUR FIRST
GATE’S CLOSED POSITION LIMIT IS NOW
PROGRAMMED.
Step 5
Activate your openers again by pressing the entry transmitter button. Your gates should now be moving from the fully open
positions toward their closing position. The gate programmed in Steps 3 & 4 will stop at the spot you just programmed and
the other gate will continue to close until you press the transmitter button again. The optimum CLOSED POSITION for the
second gate is when it closes firmly, without excess tension, against the first gate. This step may be repeated until desired
close position is achieved. Once the desired CLOSED position has been achieved, proceed to step 6.
Step 6
Repeat Steps 3 & 4 for the other gate that has not been set in step 3.
Step 7
Press the transmitter button and allow the gates to return to the fully open position. BOTH YOUR MASTER AND SECOND
GATE’S CLOSED POSITION LIMITS ARE NOW PROGRAMMED.
TESTING YOUR CLOSED LIMIT SETTING:
Press your entry transmitter and allow your gates to close. If CLOSED positions are not correct or need to be changed, you
will need to CLEAR your CLOSED LIMIT settings and follow Steps 1-7 again.
CLEARING PROGRAMMED CLOSED LIMIT SETTING:
If you make a mistake and set the limit at the wrong position – press your transmitter to return the gates to their fully opened
positions, then press and hold the 'LEARN MAST LIMIT' or 'LEARN 2ND LIMIT' button for 5 seconds. This will clear the
memory for the closed limit positions. Follow Steps 1-7 again.
26 MM562 Installation Instructions
Setting Your Personal Transmitter Code
All GTO transmitters are set to a standard code at the factory and are ready to operate your GTO® Gate Opener®. For
your safety and security, however, we strongly recommend that you replace the factory setting with your own personal code.
Follow the directions below:
1. Remove the Transmitter Cover
On the back of the transmitter use a small phillips head screw driver to remove
the two screws on the sides of the visor clip and separate the front cover from the
transmitter. With the front cover removed, the battery and the DIP switches will
be exposed. To set a new code, use a small screwdriver to move the switches.
LE
D
0
–
+ 1
2
3
4
5
A2
AL
3S
L
KA
IN
E
12
BA
TT
ER
6
7
8
9
EC
E
V
Y
2. Set the transmitter DIP Switches
There are nine (9) transmitter DIP switches; each can be placed in three different
positions (+, 0, –). DO NOT set all the switches in the same position, such as all +,
all 0, or all –. Once the DIP switches have been set to a personal code, replace front
cover.
1 2 3 4 5 6 7 8 9
+
0
ECE
WARNING: No other adjustments should be made inside the transmitter.
3. “Teach” the New Code to Control Board Memory
CLOSE TIME
STALL FORCE
STATUS
LEARN RMT
120
ART OFF
G
OFF
PULL
EN DLY.
OFF
OFF
MIN
MAX
ON DIP
NOTE: For any additional transmitters you may have
purchased, match the DIP switch settings and they will work
with the transmitter you just programmed.
1 2 3 4
A. Press and hold transmitter button.
B. Press and hold the LEARN RMT (Learn Remote) button
on the control board until the buzzer sounds.
C. Release transmitter button. The new code
is stored in control board memory.
D. Release the LEARN RMT (Learn Remote) button.
ON
ON
PUSH
SIMULT.
ON
ON
S3
LEARN
MAST LIMIT
Learn Remote
Button
S2
LEARN
SLV LIMIT
S4
MM562 Installation Instructions
27
Setting Dual Sense Detection
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
gate system or Injury or Death.
OFF
O
MAX
The Stall Force adjustment is located on the control
board. Turn the “STALL FORCE” arrow in the center of the
potentiometer with small flat head screwdriver. Adjust the
sensitivity from the MINIMUM position up to the point where the
gate operates without obstructing from its own weight or the wind
conditions in your area.
MODE1
MODE2
OFF
OFF
PULL
DLY.
MIN
OFF
OFF
MAX
ON
MIN
120
0
SOFT START
WARNING
OPEN
SLV OPEN
STALL FORCE
FO
O
1 2 3 4
The Stall Force adjustment controls the amount of
force the opener will apply against an obstruction
before it stops and reverses direction. The
adjustment on the control board operates like a
volume control on a radio. It controls the amount
of force the opener will apply to an obstruction before
it automatically reverses direction.
E
AUTO
TO
O CLOSE TIME
STALL FORCE
ON
ON
PUS
S
SIM
M
ON
ON
NOTE: You may need to increase the stall force in cold weather due to
increased resistance from gate hinges. However, the adjustment must remain
as near to minimum as possible and when the weather improves decrease the
setting to the appropriate position.
CAUTION
For safety reason the Dual Sense Stall Force setting on the Mighty Mule control board comes
from the factory set at MIN (minimum). This setting may need adjustment depending on the
size and weight of the gate.
ALWAYS KEEP SAFETY AT THE TOP OF YOUR LIST WHEN ADJUSTING OR SERVICING YOUR
GATE SYSTEM.
Setting Auto Close Timer
Turning the pot all the way counter-clockwise will turn auto close
feature off. The minimum time is 3 seconds. The maximum (turn
the pot all the way clockwise) time is 120 seconds.
AUTO CLOSE TIME
STATUS
LEARN RMT
OFF
OFF
OFF
PULL
DLY.
OFF
OFF
MIN
MAX
ON DIP
28 MM562 Installation Instructions
MODE1
MODE2
120
1 2 3 4
SOFT START
WARNING
OPEN
SLV OPEN
Auto Close Time Pot
STALL FORCE
ON
ON
PUSH
SIMULT.
S3
LEARN
MAST LIMIT
ON
ON
S2
LEARN
Installing the Receiver
Use the transmitter to check the range of the receiver before permanently mounting it.
Consider the following when mounting the receiver:
• Standard receiver cable length is 10 feet (receivers with a longer cable are available as special order items; call the Mighty Mule Sales Department). NEVER splice receiver cable!
• Run the cable through PVC conduit to protect it from damage.
• DO NOT run cable in conduit containing ac wiring.
• DO NOT mount receiver on a metal fence or post; doing so will decrease signal range.
• The receiver range can vary from 50 to 100 feet depending upon weather, topography, and external interference.
• DO NOT mount upside down.
• MOUNT so that you have line of sight between remote and antenna.
• MOUNT 3 feet away from AC voltage.
• MOUNT as high as possible for optimum range.
FCC Regulation
This device complies with FCC rules Part 15. Operation is subject to the following conditions:
1. This device may not cause harmful interference.
2. This device must accept an interference that may cause undesired operation.
Transmitter distance may vary due to circumstances beyond our control. NOTE: The manufacturer is not
responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such
modifications could void the user’s authority to operate the equipment.
WARNING: Changes, modifications or adjustments not expressly
approved by GTO Access Systems, LLC could void the user’s authority
to operate this equipment. There Are No User Serviceable Parts.
NOTICE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 the FCC. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can 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 will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
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. are not included with the Mighty
Mule. Refer to the sensor manufacturer’s instructions for information about installing accessory devices.
The Mighty Mule ONLY accepts accessory devices with normally open dry contact outputs.
WARNING
Make sure the operator power switch is turned OFF before connecting ANY
device wiring to the terminals of the controller. Unplugging the transformer
does not turn power to the operator off.
MM562 Installation Instructions
29
Input Connections
• All control inputs are dry-contact, normally open, inputs. DO NOT apply external voltage sources to these
inputs.
• All inputs are connected with respect to COMMON terminal.
• The status LED will blink once when any input is activated.
1COM: Circuit common (reference for all
logic input)
• Two (2) terminals to provide extra
common connection point.
BLK
2CYCLE/CLOSE: (Typically for use with
push button or hard-wired keypad)
• Each activation at this input will cycle
the operation as follows:
OPEN–STOP–CLOSE–STOP–OPEN
1
2
CYCLE
3SAFETY: (Typically for use with photo
beam device, loop detector or other
non-contact sensors)
• Activation of this input while the gate
is closing will cause the gate to stop
and return to the opened position.
• Activation of this input while the gate
is opening has no effect (gate will
continue to open).
• Activation of this input while gate is
idle will prevent gate from closing.
3
SAFETY
4
EXIT
5
SHADOW
6
CLOSE
EDGE
OPEN
EDGE
COM
RECEIVER
GRN
CONTROL INPUTS
7
GTO RCVR.
BLK
RED
ALM
4EXIT/OPEN: (Typically for use with exit
loop or wand)
• Activation of this input will open the
gate if it’s not already at the open
position
• Activation of this input while at open
limit will restart the auto close time (if
enabled).
COM
5 SHADOW LOOP: (Typically for use with loop detector)
• This input is only monitored when the gate is at the fully open position. At any other position, activation of
this input has no effect on gate operation.
• Activation of this input while gate at the fully open position will prevent gate from closing.
6 CLOSE EDGE: (Typically for use with safety edge device)
• Activation of this input while the gate is closing will cause the gate to stop and reverse direction for
approximately 2 seconds.
• Activation of this input while the gate is opening has no effect (gate will continue to open).
• Activation of this input while gate is idle will prevent gate from closing.
7 OPEN EDGE: (Typically for use with safety edge device)
• Activation of this input while the gate is opening will cause the gate to stop and reverse direction for
approximately 2 seconds.
• Activation of this input while the gate is closing has no effect (gate will continue to close).
• Activation of this input while gate is idle will prevent gate from opening.
30 MM562 Installation Instructions
Wiring Accessories
CONTROL OUTPUTS
6
7
GTO RCVR.
6
7
Automatic Gate Lock (FM143)
COM
ALM
RED
5
COM
4
BLK
BLK
3
GRN
2
BLU
71
BRN
CLOSE
EDGE
ORG
OPEN
EDGE
RED
6
SHADOW
5
WHT
EXIT
4
GRN
SAFETY
3
CYCLE
BLU
GRN
WHT
2
RED
COM
BLK
COM
1
7
CONTROL INPUTS
CONTROL
INPUTS
MASTER
OPERATORRECEIVER
CYCLE
AUX
2ND OPERATOR
RLYMASTER OPERATOR
GRN
BRN
GTO 18 VOLT
TRANSF. OR
SOLAR PANEL
PWR
BLK
6
RED
5
ORG
4
BLU
3
WHT
2
LOCK
BRN
WHT
ORG
BLU
RED
BRN
BLK
ORG
POWER
INPUT
2ND OPERATOR
According to
Application
1
Edge Sensor
1
2
Push Button Control (FM132)
3
1
Photo Beams (R4222)
4
1
1
4
GHI
7
PRS
2
ABC
5
JKL
8
TUV
0
Vehicle Sensor (FM138)
3
DEF
6
MNO
Refer to Vehicle Sensor
manual for additional
connections.
9
WXY
1
2
Digital Keypad (FM137)
NOTE: There may be additional connection options for
applications that are not illustrated here.
Refer to accessory manuals for details.
Connecting Other Auxiliary Devices (Sirens, Lights, etc.)
• These 2 terminals are normally open “dry-contact” (no voltage) relay ouput.
• Relay is closed when the gate is in motion; Relay is open when the gate is not in motion.
• These 2 terminals maximum rating is 24Vdc, 1 Amp.
AUX
RLY
MM562 Installation Instructions
31
PUSH-TO-OPEN gates open out from the property (opener arms extend
to open). A Push-To-Open Bracket is required for this type of installation. In
a Push-To-Open installation, the opener is installed while the gate is in the
closed position and the opener fully retracted.
Swinging gates MUST NEVER open into public access areas!
Step 1
Insert the 3/8" x 2" bolt through the center hole of the post brackets and post
pivot bracket as shown. Fasten a 3/8" lock washer, 3/8" washer and 3/8" nut
on the end of the bolt. DO NOT over tighten the nut because the post pivot
bracket will have to be adjusted later.
Step 2
Attach post bracket assembly and gate bracket to the opener with the clevis
pins and bushings. Secure the clevis pins with hairpin clips.
Clevis Pin
Post Bracket Assembly
PUSH-TO-OPEN INSTALLATION INSTRUCTIONS
3/8" x 2" Bolt
Post Bracket
FM148
(required, not included)
Post Bracket
3/8" Washer
3/8" Lock Washer
3/8" Nut
Front Mount
Rear Mount
Bushing
Clevis Pin
Opener
Gate Bracket
Bushing
Hairpin Clip
Hairpin Clip
Post Bracket Assembly
Step 3
With the gate in the closed position (up to 110º from its open position), and the opener fully retracted, adjust the post
bracket assembly and gate bracket until the opener is level. While holding the opener level, use C-clamps
to temporarily keep the post bracket assembly and gate bracket in their respective positions on the fence post and gate.
IMPORTANT: While determining the mounting point for the post pivot bracket assembly, be sure that the position
allows for minimum 2 inches of clearance between the gate and the opener in both the open and closed positions, as
shown in the CLEARANCE diagram on the next page. This clearance will give the opener the most efficient leverage point
for opening and closing the gate and more importantly provides the least possible pinch area.
Post Bracket Assembly
Level Opener
LEVEL ho
rizontal c
ross mem
Gate In Closed Position
Fence Post
32 MM562 Installation Instructions
ber
Gate Bracket
Step 4
When you feel that you have the best position for the post pivot bracket in the closed position, insert the 5/16" bolt
through the aligned holes of the post bracket and post pivot bracket to hold it in place. Remove the clevis pin from the
front mount and while supporting the gate opener, swing the gate and gate opener to the open position. With the gate
and gate opener in the open position check the clearance and be sure that the gate opener is not binding at the post
pivot bracket.
If you don't have 2 inches of clearance or the gate opener is binding on the post pivot bracket, remove the 5/16" bolt
and readjust the pivot bracket until you can achieve these important clearances. Make sure to reinstall the bolt and
related hardware as shown in step 1.
With the post pivot bracket in the optimum position for clearance and freedom of movement while maintaining 19 inches
or less on the stroke. Reattach the opener to the gate bracket in the open position and recheck the gate opener level
and make sure the brackets are clamped securely.
CLEARANCE DAIGRAM
5/16” bolt
Post Bracket Assembly
19” MAX
Install the second gate opener on the other gate in the same manner.
Then refer to the CONTROL BOARD SETTINGS on page 25 for gate
sequencing and other programming steps before proceeding.
3
4
OFF
ON
ON
MAX
MIN
120
OFF
OFF
PULL
DLY.
OFF
OFF
MODE1
2
ON
OFF
1
DIP
ON
ON DIP
1 2 3 4
SOFT START
WARNING
OPEN
SLV OPEN
Step 6
ON
AUTO CLOSE TIME
Make sure the control box power switch is OFF. Use a small
screwdriver to move the Number 3 DIP switch from the factory setting
(OFF / Pull-To-Open) to ON for Push-To-Open. Turn power switch
ON. The control board is now configured to push the gate open.
STALL FORCE
FORC
Step 5
ON
ON
PUS
PUSH
SIMU
SIMULT.
Opener
DIP#3
ON
Push-to-open operation.
OFF
Pull-to-open operation (factory setting).
MM562 Installation Instructions
33
Setting the Open Position Limit
Step 1
Confirm that the power switch is in the ON position, and the gates are in the CLOSED POSITIONS.
Step 2
Activate your openers by pressing the entry transmitter button. Your gates should now be moving from the closed positions
toward their open position. Prepare to STOP gates by pressing the entry transmitter button again when the first gate reaches
the desired open position. This step may be repeated until desired open position is achieved. Once the desired OPEN
position has been achieved, proceed to step 3.
Step 3
Note which gate has reached the desired open position (typically it's the SECOND gate), program the open limit setting by pressing
and holding the corresponding 'LEARN MAST LIMIT' or 'LEARN 2ND LIMIT' button for 5 seconds.
Step 4
Press the transmitter button and allow the gates to return to the closed position. The gate programmed in Step 3 has now learned its
limit.
Step 5
STALL FORCE
STATUS
LEARN RMT
120
ART OFF
G
OFF
PULL
EN DLY.
OFF
OFF
MIN
MAX
ON DIP
Step 6
CLOSE TIME
1 2 3 4
Activate your operators again by pressing the entry
transmitter button. Your gates should now be moving
from the fully close positions toward their opening
position. The gate programmed in Step 3 and 4
will stop at the spot you just programmed and the
other gate will continue to open until you press the
transmitter button again. This step may be repeated
until desired open position is achieved. Once the
desired OPEN position has been achieved, proceed
to step 6.
ON
ON
PUSH
SIMULT.
ON
ON
Repeat steps 3 & 4 for gate that has not been
programmed yet.
Step 7
Press the transmitter button and allow the gates
to return to the closed position. BOTH YOUR
MASTER AND SECOND GATE’S OPEN
POSITION LIMITS ARE NOW PROGRAMMED.
S3
LEARN
MAST LIMIT
S2
LEARN
SLV LIMIT
S4
Learn Master Limit
Button
Learn Slave Limit
Button
TESTING YOUR OPEN LIMIT
SETTING:
Press your entry transmitter and allow your gates to
open. If OPEN positions are not correct or need to
be changed, you will need to CLEAR your OPEN LIMIT settings and follow steps one (1) to seven (7) again.
CLEARING THE PROGRAMMED OPEN LIMIT SETTING:
If you make a mistake and set the limit at the wrong position – press your transmitter to return the gates to their closed positions, then
press and hold the 'LEARN MAST LIMIT' or 'LEARN 2ND LIMIT' button for 5 seconds. This will only clear the memory for the
open limit positions for the selected gate. Follow steps one (1) to seven (7) again.
34 MM562 Installation Instructions
Troubleshooting Guide
If your gate opener does not function properly after it is installed, use this guide before calling the GTO Service Department.
VOLTAGE READINGS
18 Vac Transformer......................................................................................18.0 to 22.0 Vac, 2200 mA
5 W Solar panel (single).............................................................................18.0 to 22.0 Vdc, 300 mA
* measure voltage at panel and control box in full sun; this will increase by approximately 300mA for
each additional solar panel.
Two 12 V, 7 amp hour Batteries..............................................................12.5 to 13.5 Vdc 7.0 Ah
*measure voltage at battery terminals with battery disconnected from circuit board
Charging circuit ...........................................................................................13.3 to 14.8 Vdc
*measure voltage at battery terminals with battery connected to circuit board and GREEN "POWER IN"
LED is ON.
Audible Feedback
Indication
Possible Diagnosis
1 short beep upon activation Blown Fuse
Low or Bad Battery
Loose Battery Connection
A series of beeps that stop Circuit Board Powered Up &
and do not repeat after
Ready
power-up
•Fuse
• Battery Under Load
• Battery Harness Connections
• Normal Operation
Continuous Uninterrupted
Alarm
Circuit Board Senses an
Obstruction
•
•
•
•
1 beep with 10 seconds off
Low Battery Condition
1 beep then 2 beeps, then
pause and repeats
Master Motor Terminals
Shorted
1 beep then 3 beeps, then
pause and repeats
Second Motor Terminals
Shorted
1 beep with 2 seconds, then Master Arm Limit Switch
pause and repeats
Error
Path of Gate
Gate for Level and Plumb
Stall Force Adjustment
For diagnostic purposes, temporarily disconnect the
external obstruction detection devices
• Rev Counter
•Fuses
• Battery Harness Connections
• Battery Under Load
• Connections to Master Inputs
• Master Arm Power Cable
•Motor
• Circuit Board
• Connections to Second Inputs
• Second Arm Power Cable
•Motor
• Circuit Board
• Connections to Master Inputs
• Master Arm Power Cable
2 beeps with 2 seconds, then Second Arm Limit Switch
pause and repeats
Error
• Connections to Second Inputs
• Second Arm Power Cable
3 beeps with 2 seconds, then Master Arm Rev Counter
pause and repeats
Error
•
•
•
•
•
•
4 beeps with 2 seconds, then Second Arm Rev Counter
pause and repeats
Error
Check
Connections to Master Inputs
Master Arm Power Cable
Rev Counter
Connections to Second Inputs
Second Arm Power Cable
Rev Counter
MM562 Installation Instructions
35
Visual Feedback
Indication
Possible Diagnosis Check
Status (clear) 1 blink
Cycle Terminal ShortedDisconnect the push button, keypad, intercom keypad, or any other accessory
wired to this terminal. Try the remote. If the remote works, then the problem
is the accessory.
Status (clear) 2 blinks Safety Terminal
Disconnect the loop detector, photo beam, or any other accessory wired to this
Shorted
terminal. Try the remote. If the remote works, the problem is the accessory.
Status (clear) 3 blinks Exit Terminal Shorted Disconnect exit wand, loop detector, photo beam, Knox box, or any other
accessory wired to this terminal. Try remote. If the remote works, the
problem is the accessory.
Status (clear) 4 blinks Shadow Terminal
Disconnect the loop detector, photo beam, or any other accessory wired to this
Shorted
terminal. Try remote. If the remote works, the problem is the accessory.
Status (clear) 5 blinks Close Edge Terminal Disconnect the edge sensor, photo beam, or any other accessory wired to this
Shorted
terminal. Try the remote. If the remote works, the problem is the accessory.
Status (clear) 6 blinks Open Edge Terminal
Shorted
Disconnect edge sensor, photo beam, or any other accessory wired to this
terminal. Try the remote. If the remote works, the problem is the accessory.
RF (yellow) Flickers
Receiving 318 MHz
RF
Normal operation when remote or wireless keypad is used.
RF (yellow) does not
flash when remote is
pressed
No 318 MHz RF
Received
Power (green) ON
AC or Solar Power
Normal Operation
Present
No AC or Solar Power Transformer:
• Breaker or GFI
• Power at AC outlet.
• Output of Transformer.
• Voltage on wire at 18 VAC Input
Solar:
•Weather
• Solar Panel Placement
• Output of Solar Panel
• Voltage on wire at Solar Input
Power (green) OFF
•
•
•
•
Battery in Remote
Program Remote
Antenna Receiver Connections
Antenna Receiver
Charge (red) ON and
FLASH
Unit in fast, soak or
float charge
Battery voltage increasing slowly or stead at aprox 13.8 -14.1. Normal
condition.
Charge (red) OFF
Battery Not Being
Charged
AC power
Transformer
Solar Panel
Charging Circuit
36 MM562 Installation Instructions
Battery/Power Troubleshooting
RED LED
AUTO CLOSE TIME
FUSE
15
STALL FORCE
STATUS
BATT+
CHARGING
LEARN RMT
BATT-
OFF
120
MAX
ON
MODE1
MODE2
1 2 3 4
SOFT START OFF
WARNING
OFF
OPEN
PULL
2ND OPEN DLY.
POWER IN
MIN
OFF
OFF
ON
ON
PUSH
SIMULT.
S3
LEARN
MAST LIMIT
ON
ON
S2
CHARGING
LEARN
2ND LIMIT
POWER IN
S4
DIAG
PORT
GREEN LED
CONTROL OUTPUTS
RECEIVER
2ND OPERATOR
POWER IN LED
ON
ON
ON
OFF
OFF
OFF
CHARGING LED
Steady ON
Blinking
OFF
OFF
Blinking
Steady ON
CONTROL INPUTS
MASTER OPERATOR
BLK
RED
GRN
EXIT
ALM
CLOSE
EDGE
OPEN
EDGE
SHADOW
COM
CYCLE
SAFETY
BLK
COM
RED
ORG
BRN
7
BLU
6
GRN
5
BLK
4
RED
3
ORG
GTO 18 VOLT
TRANSF. OR
SOLAR PANEL
2
GRN
1
WHT
AUX
RLY
BRN
PWR
BLU
LOCK
WHT
POWER
INPUT
GTO RCVR.
Battery Charging
Battery Fully Charged
Test charging circuit, check battery
No AC/Solar Power, check battery
Check battery, incoming AC transformer or solar
Test charging circuit and check incoming AC transformer or solar and check battery
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.
After cleaning, apply a high quality silicon spray to a soft dry cloth and wipe the push/pull tube. DO NOT directly spray the tube!
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.
Monthly, turn off the power switch and disconnect the Mighty Mule and move the gate to make sure the gate is moving freely without
sticking or binding. Lubricate the hinges or repair the gate as required before reattaching the Mighty Mule.
Monthly, check the gate system for potentially entrapments from new landscaping or construction. Eliminate or guard as required.
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.
Replace batteries every 2-3 years and properly recycle old batteries.
MM562 Installation Instructions
37
Repair Service
If your Gate Operator is not operating properly, please follow the steps below:
1. First use the procedures found in the Troubleshooting Guide (see page 25).
2. Use the 24/7 Troubleshooting Wizard at http://support.gtoinc.com.
3. If you are unable to solve the problem, call the GTO Service Department at (800) 543-1236, or (850) 5754144. Refer to the serial number (located on the right side of the control box) and date of purchase when
calling for assistance.
4. If repair or replacement of your gate operator is necessary, the Service Department will assign a Return
Goods Authorization (RGA) number to you.
5. Securely pack the component(s) authorized for return to the factory. Include a copy of your sales receipt
for the purchase of the product(s). Write the RGA number issued to you on the outside of the package in
LARGE BOLD PRINT.
Ship the package(s) freight prepaid to: GTO, 3121 Hartsfield Road, Tallahassee, Florida, USA 32303.
NOTE: Products returned to GTO without a Return Goods Authorization (RGA) number in LARGE
BOLD PRINT on the outside of the package WILL NOT be accepted. Also, items returned to GTO
freight collect WILL NOT be accepted.
GTO Technical Service and Installation Assistance
8:00am–7:00pm • Monday–Friday (EST)
Toll Free Support: 800-543-1236 • Local Support: 850-575-4144 • Fax: 850-575-8950
24/7 Troubleshooting Wizard: http://support.gtoinc.com
38 MM562 Installation Instructions
Accessories
Please visit www.mightymule.com for photos and detailed
descriptions of accessories. Or call 1-800-543-4283.
POWERING ACCESSORIES
Low Voltage Wire [RB509]
The 16 gauge, stranded, dual conductor low voltage Wire is for connecting the AC powered
transformer, solar panel or wired accessories to the system’s control board. This specially
designed wire is UV treated, PVC coated, and ready for direct burial.
Solar Panel Kits [FM121/FM123]
If your gate operator is more than 1000 ft. away from an AC power outlet, you can choose to
maintain the battery charge with the GTO Solar Panel Kit.
• 10 Watt Solar Panel Charging Kit [FM123]
• 5 Watt Solar Panel Charging Kit [FM121]
Additional/Replacement Battery [FM150]
For additional battery power or replacement.
“FROM VEHICLE” ENTRY AND EXIT ACCESSORIES
Transmitters [FM135/FM134]
Purchase an additional transmitter for each vehicle in your family. The Two-Button
Transmitter can be programmed to operate both your gate operator and a garage door
opener using the Universal Receiver. Or it can be programmed to open two gate operator
systems.
• Single Button Transmitter [FM135]
• Dual Button Transmitter [FM134]
Universal Receiver [RB709U-NB]
The Universal Antenna Receiver gives you the ability to use one remote to activate your
gate operator and your garage door opener. Connects to any brand garage door opener. Up
to 100 ft. range. This receiver only uses Mighty Mule transmitters.
1
4
2
ABC
5
GHI
JKL
7
PRS
8
TUV
3
DEF
6
MNO
Digital Keypad [FM137]
Allow friends access to your property using an identification code that you provide.
Program up to 25 entry codes for added security. Powered by three “AA” batteries (not
included).
9
WXY
0
MM562 Installation Instructions
39
PO
WE
R
An
sw
er
Pe Gran
rm
iss
t
ion
Ke
Ba ypad
tt
Lo
w
NT
0- RO
54
3- L
42 SY
83 ST
EM
S
SS
1- CO
80
CE
9V
AC
DV
Residential Wireless Entry Intercom [FM136]
Designed for added security to your automated gate with the ability to “speak to” and
“screen” visitors safely from inside your home. Ideal for securing gate entrances while
providing controlled access.
Gooseneck Pedestal [FM100]
Designed to mount digital keypads, wireless intercom systems, and other access control
devices for your gate automation system.
“HANDS FREE” Entry & Exit Accessories
Driveway Vehicle Sensor [FM139]
Automatically activates gate operator “Hands-Free” when a vehicle exits the property.
Electromagnetic sensor detects vehicles in motion.
• 50 ft. [FM139]
• 100 ft. [FM140]
• 150 ft. [FM141]
Wireless Vehicle Sensor [FM130]
Automatically activates gate operator “Hands-Free” when a vehicle exits the property.
100 ft. range between transmitter and receiver. Easy installation.
LOCKING & SECURITY Accessories
ATIC
OM CK ®
AUTE LOLO
CK
GASETCURITY
IC
TRON
ELEC
1
4
GHI
7
PRS
2
ABC
5
JKL
8
TUV
0
3
DEF
6
MNO
®
9
WXY
SEC
URITY
, Inc.
GATE
LOC
K
Automatic Gate Lock [FM144/FM142]
The #1 Accessory For Swing Gate Operators! Designed for added security in conjunction
with GTO Automatic Gate Operators. The gate lock unlocks and locks automatically
when the gate opens and closes. The perfect solution for high wind conditions.
Bulldog Pedestrian Gate Lock [FM145]
Designed to mount on horizontal swing “walk through” wood, chain link, and metal
pedestrian gates opening in or out. Ideal for securing pools, condominiums, schools
and any pedestrian gate.
Wireless Driveway Alarm [FM231].
This device alerts you of vehicles entering your driveway (with or without an automated
gate). The indoor base station signals you with a door chime when a vehicle passes the
driveway sensor.
40 MM562 Installation Instructions
ADDITIONAL Accessories
Photo Beams [R4222]
Primary “through beam” photo beam device. Provides “non-contact” obstruction
protection.
Pin Lock [FM345]
Use as a substitute for the clevis pin at the front mount of the gate opener to prevent
theft of the operator.
• Pin Lock 10-pack: ten Pin Locks keyed alike [FM345KA].
Push Button Control [RB101]
Wire this unlit push button directly to your gate operator for simple open/close/stop
operation from up to 1000 ft. away. Use 16 gauge low-voltage wire.
Replacement Transformer [RB570]
Standard 18 volt, 2200 mA AC transformer included with the gate operator to maintain
battery charge.
HARDWARE Accessories
Push To Open Brackets [FM148]
Required when the gate operator must push a gate open (arm extends to open), such
as away from a sloping driveway or where space prevents gate from opening into the
property (pull to open). Order two brackets for a dual swing gate installation.
If you have a question about any special order item,
just call 1-800-543-GATE!
The contents of all material available on this installation manual are copyrighted by GTO Access Systems, LLC (“GTO”), unless otherwise indicated. All
rights are reserved by GTO, 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 GTO. Any reprinting of GTO publications is by permission only. Copyright infringement is a violation of federal law.
Mighty Mule, E-Z Gate, GTO, Dual Sense Technology, Linear PRO Access, are registered trademarks of GTO Access Systems, LLC America’s DIY
Automatic Gate Openers is a trademark of GTO and are the exclusive property of GTO Access Systems, LLC.
All rights are reserved by GTO, and these marks may not be used, in any for without the prior, written permission of GTO.
MM562 Installation Instructions
41
Gate Operator Installation Checklist
1. The gate has been checked to make sure it is level and moves freely in both directions.
2. Potential pinch areas have been guarded so as to be inaccessible OR have
sensing edges and/or photo beam obstruction detection devices installed.
3. The installer has installed one or more contact or non-contact
obstruction sensing devices, if required for this installation.
4. If pedestrian traffic is expected, a separate pedestrian gate has been installed, a minimum
of seven feet from the gate systems. All pedestrian traffic must use the pedestrian gate.
5. Warning signs have been installed on each 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 feature has been properly adjusted and tested to make sure
that the gate stops and reverses a short distance with minimal resistance applied.
8. Reviewed and understand all of the operational functions,
obstruction sensing devices, warning beeper and reset, etc.
9. Review and understand the proper use of the operator’s manual disconnect feature. The
manual disconnect must never be used while the gate is in motion. The power switch
must be turned off before using the manual disconnect and disengaging the operator.
10. Reviewed all safety instructions, and keep the safety instructions
and owner’s information sheets for reference.
11. Review and understand the maintenance schedule for both the gate and the gate operator.
For sales call toll free:
1-800-543-4283
The Sales Department is open Monday – Friday 8:00 A.M. – 5:00 P.M. (Eastern Time)
For technical service Call toll free:
1-800-543-1236
The Technical Service Department is open Monday – Friday 8:00 A.M. – 7:00 P.M. (Eastern Time)
3121 Hartsfield Road • Tallahassee, Florida, USA 32303
www.mightymule.com­
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