Installation Manual
DIAMOND
DUAL Gate Operator System
WARNING!
This equipment is similar to other gate or door equipment and meets or exceeds
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, (“GTO”) shall in no event be liable for
direct, indirect, incidental, special or consequential damages or loss of prots 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.
This product meets and exceeds the requirements of UL 325, the standard which
regulates gate operator safety, by Underwriters Laboratories Inc.
For more information on the GTO ACCESS SYSTEMS, LLC full line of automatic gate
operators and access controls visit our website at www.mightymule.com.
©2017 GTO Access Systems, LLC Printed in China for GTO Access Systems, LLC. Document #10017351A rev-08/31/17
Class Rating
The Diamond Gate Operators is intended for use with vehicular swing gates in single family residential
applications. The operator is system certified to be in compliance with UL 325, current edition, as of
publication date.
Vehicular Gate Operator Class Categories:
Residential Vehicular Gate Operator—Class I: A vehicular gate operator (or system) intended for use in a
home of one-to-four single family dwelling, or a garage or parking area associated therewith.
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 multifamily housing unit (five or more single
family units), hotel, garages, retail store, or other building servicing the general public.
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 intended to service the general public.
Restricted Access Vehicular Gate Operator—Class IV: A vehicular gate operator (or system) intended
for use in a guarded industrial location or building such as an airport security area or other restricted access
locations not servicing the general public, in which unauthorized access is prevented via supervision by
security personnel.
Converting Metric Units to English Equivalents
When You Know Multiply By To Find Symbol
centimeters 0.3937 inches in. (or ")
meters 3.2808 feet ft. (or ')
kilograms 2.2046 pounds lb. (or #)
Converting English Units to Metric Equivalents
When You Know Multiply By To Find Symbol
inches 2.5400 centimeters cm
feet 0.3048 meters m
pounds 0.4535 kilograms kg
Converting Temperature
deg. Celsius (°C x 1.8) + 32 deg. Fahrenheit °F
deg. Fahrenheit (°F-32) ÷ 1.8 deg. Celsius °C
FOR YOUR RECORDS
Please record the following information product serial number (located on right side of control box), be sure to
keep all receipts for proof of purchase. Refer to this information when calling GTO for service or assistance
with your automatic gate opener.
Serial Number: ___________________________________ Date of Purchase: ________________
Place of Purchase: ___________________________________________________________________
Table of Contents
Class Rating ....................................................................................... inside cover
Please Read This First ......................................................................................... ii
Important Safety Instructions .............................................................................. iii
Technical Specifications ......................................................................................1
Before You Begin... ..............................................................................................2
Determine Charging Option for Battery: Transformer OR Solar ....................2
Solar Panel and Gate Activity Chart ................................................................2
Check Direction of Gate Swing .......................................................................3
Prepare the Gate .............................................................................................3
Gate Grounding .............................................................................................3
Diamond Parts List ..........................................................................................4
Tools Needed ..................................................................................................5
Materials You may Need for the Installation: .................................................5
Installation Overview .......................................................................................6
Install the Operator ..............................................................................................8
Install the Post Bracket Assembly ..................................................................8
Check Clearance ............................................................................................. 9
Install Gate Bracket .......................................................................................10
Attach Operator Arm ....................................................................................10
Installation of Closed Position Stops ...........................................................11
Mount the Battery Box / Control Box ............................................................ 13
Connect the Battery Box / Control Box ........................................................14
Connect Operator Power Cables ..................................................................15
Control Board Settings ......................................................................................17
Set the Closed Position Limit (for Pull-To-Open Installation) .......................17
Adjust the Stall Force Setting ........................................................................18
Set Auto Close Time .....................................................................................18
Personal Transmitter Setting ......................................................................... 19
Push-To-Open Installation Information ..............................................................20
Setting the Open Position Limit (Push-To-Open Installation) .......................21
Solar Panel Instructions ....................................................................................22
Connecting Accessories .................................................................................... 23
Wiring Accessories ........................................................................................24
Column Installation ............................................................................................25
Troubleshooting Guide ......................................................................................26
Voltage Readings ..........................................................................................27
Repair Service ...............................................................................................28
Accessories ........................................................................................................ 29
Please Read This First
Thank you for purchasing the Mighty Mule Diamond. When correctly installed and properly used,
your LPA Diamond operators will give you many years of reliable service. Please read the following
information to ensure you have the correct system for your particular needs. This manual will
enable you to properly install your Diamond Automatic Gate Operators.
The Diamond operators are designed for installation on a pull-to-open dual leaf gates. The gates
must not exceed 16 feet in length nor weigh more than 500 pounds* (please see Technical
Specifications on page 1). The Diamond operators can be used on vinyl, aluminum, chain link, farm
tube, and wrought iron gates. Use on solid (wood) gates is not recommended. Solid surface
gates have a high resistance to the wind. If the wind is strong enough, the operators will
obstruct, stop, and blow fuses.
The Diamond operators accommodates extra transmitters, digital keypads, solar panels, push
buttons, automatic gate locks, and other access control products. These optional accessories
are noted with the
The Diamond can be installed on push-to-open gates with the addition of two (2) push-to-open brackets
[FM148].
symbol.
The Diamond operators feature adjustable stall force. This safety feature makes the gate stop
and reverse direction within two seconds when it comes in contact with an obstruction. The “MIN”
setting means the gate will exert the minimum force on an obstruction before it stops and reverses
direction.
The Diamond operators also have an adjustable auto-close feature. It can be set to remain open
from 3 to 120 seconds before automatically closing. Pressing the transmitter button at any time
after the gate fully opens will cause it to close immediately. “OFF” is the factory setting; meaning
the gate will stay open until you press the transmitter button (or keypad, etc.) again.
Please call LPA at (800) 543-4283 for more information about our professional line of gate operators
and accessories. Our Sales Department will be glad to give you the name and phone number of a
Mighty Mule dealer near you.
BEFORE YOU BEGIN TO INSTALL YOUR AUTOMATIC GATE OPERATOR:
Read these instructions carefully and completely to become familiar with all parts
and installation steps. You must read the installation manual for detailed instructions
on gate operator safety and proper use of the gate operator.
24/7 Troubleshooting Wizard: http://support.gtoinc.com
GTO Accessories are noted with this symbol in this
Installation Manual. Information about accessories can be
found on page 28 and at www.mightymule.com.
ii Diamond Dual Instruction Manual
IMPORTANT SAFETY INSTRUCTIONS
Because automatic gate operators can 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 consumer with convenience,
security, and safety.
This manual contains various safety precautions and warnings for the consumer. Because there are
many possible applications of the gate operator, the safety precautions and warnings contained in
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.
Precautions and warnings in this manual are identified with this
identifies conditions that can result in damage to the operator or its components, serious injury, or
death.
Because LPA automatic gate operators are only part of the total gate operating system, it is the
responsibility of the installer/consumer to ensure that the total system is safe for its intended
use.
warning symbol. The symbol
How To Manually Open and Close the Gate:
CAUTION: The gate can be opened and closed manually when the operator is disconnected.
ONLY disconnect the operator when the operator power switch is OFF and the gate is NOT moving.
Disconnecting the Operator
1. Turn operator power switch (Control Box) OFF.
2. Remove hairpin clip, clevis pin, and bushing from both the front and
rear mounting points.
3. Remove the operator from the mount.
Front Mount
Clevis Pin
Gate Bracket
CAUTION: Because the LPA gate operator is battery powered,
disconnect the operator ONLY when the power switch on the contol
box is turned OFF. Unplugging the transformer does not turn power
to the operator OFF.
NOTE: Substitute a Pin Lock
mount of the gate operator to prevent unauthorized removal of the
operator from the gate.
[FM133] for the clevis pin on the front
Bushing
Hairpin Clip
Diamond Dual Instruction Manual iii
IMPORTANT SAFETY INSTRUCTIONS
Open Position
Open Position
For The Consumer
WARNING: To reduce the risk of injury or death:
1. READ AND FOLLOW ALL INSTRUCTIONS. Failure to meet the requirements set forth in the instruction manual
could cause severe injury or death, for which the manufacturer cannot be held responsible.
2. When designing a system that will be entered from a highway or main thoroughfare, make sure the system is
placed far enough from the road to prevent traffic congestion.
3. 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.
4. The gate and gate opener installation must comply with any applicable local codes.
I. Before Installation
1. Verify this opener is proper for the type and size of gate, its frequency of use, and the proper class rating.
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 opener and safety devices used with the system.
3. Review the operation of the system to become familiar with its safety features. Understand how to disconnect the
opener for manual gate operation (page iii).
4. This gate opener is intended for VEHICULAR GATES ONLY. A separate entrance or gate must be installed for
pedestrian use (page vi).
5. Always keep people and objects away from the gate and its area of travel. NO ONE SHOULD CROSS THE
PATH OF A MOVING GATE.
6. Pay close attention to the diagram below and be aware of these areas at all times.
ZONE 1
ZONE 2
ZONE 5
ZONE 4
Gate in the
ZONE 3
ZONE 3
Driveway
ZONE 2
ZONE 5
ZONE 4
Gate in the
Entrapment Zones for a proper Pull-To-Open installation:
Zone 1 – leading edge of the gates.
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, etc.
Zone 5 – pinch points between the opener and gate.
iv Diamond Dual Instruction Manual
IMPORTANT SAFETY INSTRUCTIONS
II. During Installation
1. Install the gate opener on the inside of the property and fence line. DO NOT install an opener 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 (safety edges) and non contact sensors (photo beams) provide
additional protection against entrapment.
4. If push buttons or keypads are installed, they should be within sight of the gate, yet 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 opener.
5. Do not activate your gate opener 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 opener controls in order to prohibit unauthorized use of the gate.
10'10'
Moving Gate
Area
Driveway
Moving Gate
Area
NEVER INSTALL
10'10'
any control device
within gray area
III. After Installation
1. Attach the warning signs (included) to each side of the gate to alert the public of auto matic gate operation. It
is your responsibility to post warning signs on both sides of your gate. If any of these signs or warning decals
become damaged, illegible or missing, replace them immediately. Contact GTO for free replacements.
2. The gate is automatic and could move at any time, posing a serious risk of entrapment. No one should be in
contact with an activated 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” (drive through) 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 ALL
gate controls away from children and unauthorized users; store controls where children and unauthorized users do
not have access to them.
6. KEEP GATE AND GATE OPENER PROPERLY MAINTAINED. Always turn power to opener OFF before
performing any maintenance. Regularly grease the gate hinges. Apply silicone spray to a soft, dry cloth and clean
the push-pull tube at least once a month.
10'10'
Diamond Dual Instruction Manual v
IMPORTANT SAFETY INSTRUCTIONS
7. To operate this equipment safely, YOU must know how to disconnect the operator for manual gate operation (page
iii). 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 INSTRUCTIONS 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 gates. 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 lose or misplace this manual, a copy can be obtained by downloading one from the Mighty
Mule web site (www.mightymule.com), by contacting GTO Access Systems, LLC., at 3121 Hartsfield Road,
Tallahassee, Florida 32303 or by calling 1-800-543-4283 and requesting a duplicate copy. One will be provided
to you free of charge.
Required Safety Precautions for Gates
Install Warning Signs
Warning signs alert people of automatic gate operation and are required when installing the LPA Gate Operator. The
Warning Signs included must be installed on both sides of each gate. Furthermore, a walk-through gate must be installed
for pedestrian traffic. We recommend using the GTO Bulldog Pedestrian Gate Lock [FM145] for controlled access.
Entrapment Protection
The operator’s inherent obstruction settings, even when properly adjusted, may not be sensitive enough to prevent
bodily injury in some circumstances. For this reason, safety devices such as safety edge sensors (or photoelectric
sensors), which stop and reverse gate direction upon sensing an obstruction, are suggested for enhanced protection
against entrapment.
Bulldog Pedestrian
Gate Lock
(recommended, not included)
Pedestrian Gate
Photo Beam
Contact Sensor
(recommended, not included)
Contact Sensor
(recommended, not included)
Contact Sensor
(recommended, not included)
Warning SignWarning Sign
Vehicular GateVehicular Gate
Contact Sensor
(recommended, not included)
Photo Beam
vi Diamond Dual Instruction Manual
IMPORTANT SAFETY INSTRUCTIONS
Secondary Means of Protection Against Entrapment
As specified by Gate Operator Safety Standard, UL 325 (30A.1.1), automatic gate operators shall have an inherent
entrapment sensing system, and shall have provisions for, or be supplied with, at least one independent secondary
means to protect against entrapment. The Diamond utilizes Type A, an inherent (i.e., built-in) entrapment sensing system
as the primary type of entrapment protection. Also, the Diamond has provisions for the connection of Type B1 or B2
protection to be used as the secondary type of entrapment protection, if desired.
1. For gate operators utilizing a non-contact sensor (e.g., photo-electric sensor– Type B1) in accordance with UL 325
(51.8.4 [h]):
A. Refer to the sensor manufacturer’s instructions on the placement of non-contact sensors for each type of
application.
B. Care shall be exercised to reduce the risk of nuisance tripping, such as when a vehicle trips the sensor while the
gate is still moving.
C. One or more non-contact sensors shall be located where the risk of entrapment or obstruction exists, such as the
perimeter reachable by a moving gate or barrier.
2.
For gate operators utilizing a contact sensor (e.g., safety edge sensor– Type B2) in accordance with UL 325 (51.8.4 [i]):
A. One or more contact sensors shall be located at the leading edge, bottom edge, and post edge, both inside and
outside of a vehicular swing gate system.
B. A hard wired contact sensor shall be located and its wiring arranged so that the communication between the
sensor and the gate operator is not subjected to mechanical damage.
C. A wireless contact sensor such as one that transmits radio frequency (RF) signals to the gate operator for
entrapment protection functions shall be located where the transmission of the signals are not obstructed or
impeded by building structures, natural landscaping or similar obstruction. A wireless contact sensor shall
function under the intended end-use conditions.
You may want to consider adding photo beams to your installation. GTO Photo Beams [R4222] provide a “non
contact” means of entrapment protection.
Leading Edge Contact Sensor
on both sides of the gate
Post Edge Contact Sensor
on both sides of the gate
Bottom Edge Contact Sensor
on both sides of the gate
Post Edge Contact Sensor
on both sides of the gate
Photo BeamPhoto Beam
ENTRAPMENT ALARM (UL 325; 30A.1.1A)
The Diamond Gate Operator is designed to stop and reverse within 2 seconds 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.
Diamond Dual Instruction Manual vii
!
Warning signs (2 enclosed) to be installed on each side
of the gate (3–5 feet above the bottom of the gate).
Product identification and manual operation instruction
label (1) installed on right hand side of battery box.
Logo labels (4) installed on each side of operator housing.
Warning label (1) installed on control box.
Maximum Gate: 500 lb. (226.7 kg); 16 ft. (4.9 m)
Voltage: 12 Vdc; Frequency: 0 Hz; Power: 30 W
Class I & II Vehicular Swing Gate Operator.
Conforms to UL STD 325
2000XLS SERIES DC Swing Gate Operator
P/N MMDIA30D
9901178
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.
Serial Number:
MMDIA30D
-0000000
MMDDYY
GTO Access Systems, LLC - Tallahassee, Florida USA
®
DIAMOND
dual
automatic gate opener
ANNIVERSARY EDITION
1-800-543-GATE | mightymule.com
MMDIA30D
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.
®
1-800-543-GATE | mightymule.com
DIAMOND
automatic
gate opener
IMPORTANT SAFETY INSTRUCTIONS
viii Diamond Dual Instruction Manual
Technical Specifications
Gate Weight
Gate Length
Estimated number of daily cycles, based on use with a transformer and one(1) 12 Volt battery.
16 ft.
14 ft.
12 ft.
5 to10 ft.
65
70
75
80
50 lb.
60
65
70
75
100 lb.
50
55
60
65
150 lb.
N/R
50
55
60
200 lb.
N/R
40
45
50
300 lb.
N/R
N/R
35
40
400 lb.
N/R
N/R
N/R
30
500 lb.
N/R - Not Recommended
Diamond Dual Gate Capacity Chart
DIAMOND-DUAL AUTOMATIC GATE OPERATOR
DRIVE
• Low friction screw drive (linear actuator) rated for -5˚F to +160˚F (-21˚C to +71˚C). Use of GTO battery heater
FM316 (Not solar compatible) is recommended in extreme cold temperatures
• Powered by a 12 V motor with integral case hardened steel gear reducer. Motor speed reduced to 395 rpm.
• Maximum opening arc of 110˚. Approximate opening time (90˚): 15-19 seconds, depending on weight of gate.
POWER
• The system is powered by a 12 Vdc, 7.0 Ah, sealed, rechargeable acid battery.
• Battery charge is maintained by a 120 Vac, 14 Vac output transformer.
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.
• One (1) blade style fuse is rated for 15 A.
• For optional solar charging see page 2.
CONTROL
• GTO microprocessor-based control board is set for pull-to-open gate installations. Jumper can be removed to
accommodate an optional kit for push-to-open gates (see Accessory Catalog).
• A circuit on the control board regulates charging. “Sleep draw” is 15 mA; “active draw” is 2 to 5 A.
• Auto-memorization of digital transmitter code.
• GTO built-in RF receiver tuned to 318 MHz.
• Operator length with push-pull tube fully retracted is 33 3/4”, mounting point to mounting point, arm stroke 15”
max.
• Minimum gate length is 5 ft.
• Adjustable auto-close (3 to 120 seconds), and stall force potentiometers.
• Power terminal block accommodates a transformer or solar panels (not both).
• Accessory terminal block fully compatible with GTO push button controls, digital keypads, loops detectors, etc.
• Control board allows connection of safety edge sensors and photoelectric sensors.
• Audio entrapment alarm sounds if unit encounters an obstruction twice while opening or closing.
• Direct drive for automatic gate lock.
OPERATIONAL CAPACITY
• The Gate Capacity Chart shows approximate cycles, per day, you can expect from the Diamond Automatic
Gate Operator when powered with a transformer. Actual cycles may vary slightly depending upon the type and
condition of gate and installation.
NOTE: BALL BEARING HINGES SHOULD BE USED ON ALL GATES WEIGHING OVER 250 LB.
To determine the number of cycles the gate operator will perform using solar panels, please see the
specifications listed on page 2.
* An operation cycle is one full opening and closing of the gate.
These specifications are subject to change without notice.
Diamond Dual Instruction Manual 1
Before You Begin...
1.
Determine Charging Option for Battery: Transformer OR Solar
NEVER USE TRANSFORMER AND SOLAR PANEL(S) AT THE SAME TIME.
It will damage the control board.
IMPORTANT:
• The opener’s 12 volt battery must be charged by either connecting the transformer (included) or solar
panel kit
• The transformer is designed for indoor use. If the transformer can be plugged only into an outside
electrical outlet, a weatherproof cover/housing (available at local electrical supply stores) must be
used.
• If your gate is more than 1000 ft. from an AC power source, you will need to use at least 10 watts solar
charging power to charge the battery
below.
• All low voltage wire used with the GTO Gate Operator must be 16 gauge dual conductor, stranded,
direct burial wire
[FM123] to the control board.
[FM123]. Refer to the Solar Panel and Gate Activity chart
[RB509]. Do not run more than 1000 ft. of wire.
Solar Panel and Gate Activity Chart
The table and map
illustrate the maximum
number of gate cycles
to expect per day in a
particular area when
using from 10 to 20 watts
of solar charging power.
The figures shown are
for winter (minimum
sunlight).
Accessories connected to your
system will draw additional power
from the battery.
10 Watt Solar Panel [FM123]
Winter Ratings for 12 V Single Gate Zone 1 Zone 2 Zone 3
10 watts 8 16 26
15 watts 11 20 30
20 watts 14 28 38
2 Diamond Dual Instruction Manual
2. Check Direction of Gate Swing
E
A
B
C
D
F
A – Level D – Posts Secured in Concrete
B – Plumb E – Centerline Mounting
C – Free Swinging F – Good Working Hinges
The Diamond is designed for PULL-TO-OPEN installations.
PUSH-TO-OPEN installations require a Push-To-Open Bracket
[FM148]. Please refer to specic Push-To-Open Installation
Information on page 20.
Your Property Your Property
3. Prepare the Gate
Pull-To-Open
(arm retracts to open)
Push-To-Open
(arm extends to open)
• The gate must be plumb, level, and swing freely on its hinges.
• The gate must move throughout its arc without binding or dragging on the ground.
• Wheels must NOT be attached to the gate.
• Gates over 250 lb. should have ball bearing hinges with grease ttings.
• Post must be secured in the ground with concrete (minimizes twist/ex when the operator is
activated).
• Make sure there is a stable area for mounting the gate bracket (this may require the addition of a
horizontal or vertical cross member).
• We recommend you position the operator near the center-line of the gate to keep the gate from
twisting and exing, and to avoid back-splash from rain.
Horizontal Cross Member
Vertical Cross Member
4. Gate Grounding
FOR INSTRUCTIONAL PURPOSES ONLY
• Shorter cable is better, 1 to 2 feet
recommended.
• Bolt ring terminal at end of cable
4 - 6 inches above ground level.
u Ground Rod Clamp
v 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.
- available at local homecenter and hardware stores -
Metal Gate
Post
6 AWG Wire
8 Foot Ground Rod
5/8” Copper Clad Steel (not included)
Diamond Dual Instruction Manual 3
Ground Rod
Clamp
5. Diamond Parts List
Operator Arm (1)
6’ Power
Cable
BRACKET BOX - HB100
Customer Support
E-Z GATE OPENER
Card (1)
®
Operator Arm (1)
32’ Power
Cable
Closed Position
Stop Plate (2)
HARDWARE BAG - H101P
3/8" x 8" Bolt (8)
3/8" x 2-3/4" Bolt (4)
3/8" x 2" Bolt (2)
8" Nylon Cable Tie (28)
5/16" x 1-3/4" Bolt (2)
Gate Bracket (2)
Post Bracket (4)
3/8" Washer (18)
3/8" Lock Washer (14)
3/8" Nut (14)
5/16" Washer (2)
Post Pivot Bracket (2)
2" Screw (10)
3/8" x 1-1/2" Clevis Pin (4)
4 Diamond Dual Instruction Manual
5/16" Nut (2)
Hairpin Clip (4)
3/8" x 3/16" Bushing (4)
!
Drill Bit
Drill
Pliers
Level
Small, Medium, Large
Clamps
Adjustable
Wrench
Pen
Center
Punch
Hammer
Tape
Measure
Small
Flat Head
Phillips Head
Screwdriver
Flat Head
Screwdriver
Wire
Stripper
Hack Saw
Open End Wrenches
WARNING
GTO Transmitter(1)
Battery (1)
Control Box w/
Battery Box (1)
Transformer (1)
Wire Harness (1)
6. Tools Needed
• Power Drill • Pliers
• Level • Tape Measure
• Wire Strippers • Center Punch
• Open End Wrenches: 9/16” and 1/2”
• Drill Bits: 3/8”
• Hacksaw or Heavy Duty Bolt Cutters
• Small (Flat Head) Screwdriver
• Phillips Screwdriver
• C-Clamps: small, medium, and large
• Adjustable Wrench
• Extra person will be helpful
7. Materials You may Need for the Installation:
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)
Depending on the type of gate and post, you may need some additional materials/hardware.
• Low voltage wire
[RB509]. Length depends upon the distance between the transformer power
supply and the control box. (Page 15)
• If the gate is more than 1000’ away from an AC power source you will need to use at least one 10 watt
Solar Panel
[FM123] to trickle charge the battery. (Page 2)
• PVC Conduit. (Page 6)
• The diameter of the post should be at least 6” in order to mount the post bracket. (Page 9)
• Depending upon the diameter of the post, you may need longer bolts than those provided. Bolts
should be at least 1” longer than the diameter of the post. (Page 9)
• Metal plate for wooden posts. (Page 9)
• A horizontal or vertical cross member or mounting plate may be needed to mount the operator to the
gate. (Page 3)
• Some types of installations require U-Bolts. (Page 11)
• Surge protection for transformer. (Page 17)
• Weatherproof cover for transformer if installed outside. (Page 17)
• For push-to-open applications you must have PTO Bracket
[FM148). (Page 20)
Diamond Dual Instruction Manual 5
Installation Overview for Pull-To-Open Gate
Gate Swings Evenly and Freely
Hung Firmly and Plumb
PVC conduit (not included)
to protect second opener
power cable and low voltage wire
from lawn mowers and weed eaters.
Post Bracket Assembly
Control Box with Battery
Gate Bracket
MASTER Gate Opener
Concrete Poured
Around Gate Post
Run 1000' (max.) of low
voltage wire to control
box from transformer
(wire not included).
6' Power Cable
Closed Position Stop Plates
120 Volt Indoor
Transformer
(surge protector
not supplied)
SECOND Gate Opener
PUSH-TO-OPEN installation instructions begin on page 20.
Example of an installation on a chain link fence:
IMPORTANT: To achieve the most efficient leverage for the gate opener and ensure long trouble free
service, the gate opener needs to be installed within the following parameters.
The diagrams below show the optimum positions for the gate opener arm in relation to the gate in the
open and closed positions. Be sure the position of the gate opener and brackets allows for 2" of clearance
between the gate and the opener in both the open and closed positions.
6 Diamond Dual Instruction Manual
Gate in the
OPEN POSITION
Pinch Area
2" minimum
Gate in the
CLOSED POSITION
2" minimum
Pinch Area
MAX 15"
If the gate post is larger than 6" the
Post Pivot Bracket can be removed
and the center hole of
the Post Bracket
can be the
mounting point
for the gate
opener.
Center hole of
post bracket
We recommend you position the opener near the centerline of the gate to keep the gate from twisting and
Post
Bracket
Post
Pivot Bracket
Metal Plate
Wooden Post
Post
Bracket
Post
Pivot Bracket
Metal Plate
Wooden Post
Post Pivot
Bracket
Post
Bracket
Post Bracket
Assembly
flexing and to avoid backsplash from rain water.
The Post Bracket Assembly
The position of the post bracket assembly determines the leverage and efficiency of the opener. The post
bracket assembly position also sets the clearance between the opener and the gate in the open and closed
positions.
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 must
completely penetrate the post.
On wood posts, place a metal
plate or washer (not supplied)
between the nuts and the post to
prevent the thrust of the opener
from pulling the bolts and washers
out of the wood.
The post pivot bracket may not be
necessary on posts larger than 6"
in diameter (see page 6). Fence
posts smaller than 6" in diameter
or 6" square should be made of
metal instead of wood to remain stable while the opener is moving the gate.
Reinforcing Gates for the Gate Brackets
We recommend using a muffler clamp, wood, or metal, to reinforce thin-walled tube gates, or wood to
reinforce panel gates as shown. These reinforcement methods will prevent damage to the opener and
gate. Additional hardware may be needed depending on the installation.
Muffler Clamp
Muffler Clamp for
Gate Bracket
Wood or Metal
Reinforcement
(not supplied)
Gate Bracket
Wood or Metal
Reinforcement
(not supplied)
Thin Walled
Tube Gate
Panel
Gate
1" x 6"
Wood
Reinforcement
Gate Bracket
Gate
Bracket
1" x 6" Wood
Reinforcement
Diamond Dual Instruction Manual 7
Clevis Pin
Hairpin Clip
Post Bracket
Assembly
Bushing
Rear Mount
Operator
Clevis Pin
Hairpin Clip
Gate Bracket
Front Mount
Bushing
Level Operator
Fence Post
Gate In Open Position
LEVEL horizontal cross member
Post Bracket Assembly
Gate Bracket
3/8" x 2" Bolt
3/8" Nut
Post Pivot Bracket
Post Bracket
Post Bracket
3/8" Lock Washer
3/8" Washer
Install the Operator
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.
Step 2
Attach post bracket assembly to the rear mount of the opener
with a clevis pin and a 3/8” washer. Secure the clevis pin with a
hairpin clip.
Step 3
Attach gate bracket to the front mount of the opener with a
clevis pin and a 3/8” bushing. Secure the clevis pin with a
hairpin clip.
Step 4
With the gate in the fully open position and the opener arm fully retracted, adjust the post bracket assembly
and gate bracket until the opener is level. While holding the opener level, use C-clamps to temporarily
secure the post bracket assembly and gate bracket to the post and gate.
8 Diamond Dual Instruction Manual
Step 5
Gate in the
Post Bracket
Assembly
Mark gate post through
middle of bracket slots
and drill 3/8" holes
Gate In Open Position
LEVEL horizontal cross member
Mark cross member through middle of
gate bracket slots and drill 3/8" holes
After verifying 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
2" minimum
CLOSED POSITION
Pinch Area
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.
TIP: Turn the post pivot bracket over for more hole
alignment options. You can also move the entire
(A)
MAX 15"
(B)
Be sure gate opener
and bracket don't bind.
post bracket assembly to different positions on the
post.
Step 6
Be sure the position of the gate opener and brackets
allows for 2” of clearance between the gate and the
Pinch Area
Gate in the
OPEN POSITION
opener in both the open and closed positions (A),
and maintaining a maximum distance of 15” from
2" minimum
the clevis pin opening of the retracted opener arm to
the gate bracket with the gate in the closed position.
(B) see graphic to right. This mounting position will
give the opener the most efficient leverage point
for operation and provides the least possible pinch
Determine Best
Hole Alignment
to Achieve
2" Clearance
5
/16" x 13/4"
Bolt
area.
Again, check the clearance and be sure that the gate
opener is not binding at the post pivot bracket.
If you don't have the required clearance, or if the gate opener is
Post Bracket
binding on the post pivot bracket, remove the 5/16" x 1-3/4" bolt and
5
/16" Washer
5
/16" Nut
Post Pivot
Bracket
readjust the post pivot bracket.
Step 7
When the post bracket assembly is in the optimum position for clearance and freedom of movement,
reattach the opener to the gate bracket (gate in the open position); recheck the gate opener level; make
sure the brackets are clamped securely. Secure the 5/16” x 1-3/4” bolt with a 5/16” washer and 5/16” nut.
Step 8
Mark reference points for bolt holes on the post through middle of
post bracket assembly 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.
Diamond Dual Instruction Manual 9
Step 9
Round Tube & Chain Link Gate
Square Tube Gate
Mounting Plate
Created for
Decorative Gate
(required but not
supplied)
Remove excess bolt length
with hacksaw or bolt cutters
FRONT VIEW
SIDE VIEW
FRONT VIEW
SIDE VIEW
Round Metal Post
Round Wood Post
Square Metal Post
Square Wood Post
Remove excess bolt length
with hacksaw or bolt cutters
SIDE VIEW
TOP VIEW
EXAMPLES
Level Operator
Gate Post
Gate In Open Position
LEVEL horizontal cross member
Post Bracket Assembly
bolted to gate post
Clevis Pin, Bushing and Hairpin Clip
Clevis Pin, Bushing,
and Hairpin Clip
Gate Bracket bolted
to gate cross member
Drill 3/8" holes through post as marked. Fasten post bracket
assembly to the fence post using four 3/8" x 8" bolts, lock
washers and nuts. You must use bolts that completely
penetrate the post.
Step 10
Drill 3/8" holes through the gate cross member as marked.
Mount gate bracket using two 3/8" x 2 3/4" bolts, lock
washers, and nuts.
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
Step 11
Attach Operator Arm
Attach the opener to the securely bolted post bracket assembly and gate bracket using clevis pins,
bushings, and hairpin clips, or optional Pin Lock [FM133]. Verify that the opener is level and adjust the post
bracket assembly, if necessary.
10 Diamond Dual Instruction Manual
Step 12
Closed Position
Stop Plates
Gate Hinge
CONTROL BOX
Gate Hinge
The gate leaf can open
up to 110˚ (max.)
Optional Ground Stop
(beneath gate)
The gate leaf can open
up to 110˚ (max.)
MASTER GATE SECOND GATE
Closed Position Stop Plate mounted
horizontally on metal post with U-bolts.
SECOND Gate Frame
MASTER Gate Frame
TOP VIEW
FRONT VIEW
Installing the Second Arm
Install the second opener on the remaining gate leaf by repeating Step 3 through Step 11, starting on
page 8. After you have mounted the second opener, proceed to Installing the Closed Position Stops
below.
Installation of Closed Position Stops
The Diamond Gate Operators 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 GTO
Automatic Gate Lock (see Accessory Catalog) with your dual gate.
IMPORTANT: You need to determine
which side of the driveway you will
mount the control box. From this
point on the gate and gate opener on
the same side as the control box will
be referred to as the 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.
Illustration A
Step 1
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) 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.
NOTE:
to close against. If you will be using the GTO/PRO Horizontal 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.
Illustration B
The optional ground stop post is used to provide a secure point for the SECOND gate
Diamond Dual Instruction Manual 11
Closed Position
Positive Stop Plates
Control
Box
OPTIONAL Closed Position
Ground Stop Post
MASTER ARM SECOND ARM
Step 2
Closed Position Stop Plate mounted
on the gate leaf that CLOSES FIRST
Closed Position Stop Plate
Low Profile Ground Stop
in Near the Center of Driveway
FRONT VIEW
SIDE VIEW
Mount Vertically
Install a low profile ground stop (not provided)
beneath the SECOND gate stop plate.
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).
Step 3
Illustration C
Attach a vertical closed position stop plate to the
SECOND gate.
Using appropriate hardware for your type of gate attach the vertical closed position stop plate to the
SECOND gate frame at the point where it will come in 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.
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.
12 Diamond Dual Instruction Manual
Step 1
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.
Moving Gate Can Cause
Injury Or Death
WARNING
!
Control Box
Piece of Wood
for Mounting
Mount the Battery Box / Control Box
Remove the Control box from the Battery Box by removing the
three screws as shown in Illustration A.
Step 2
Mount the Battery Box using the screws (provided) or another
secure mounting method. The battery/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.
Step 3
Slide the battery into position with the terminals at the TOP
as shown in Illustration B.
Battery Box
Illustration A
Control Box
Screw Placement Guides
Illustration B
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.
Diamond Dual Instruction Manual 13
Connecting the Battery Box / Control Box
Step 4
Connecting the Battery
Verify that the ON/OFF switch is in the OFF position.
Connect the BATTERY WIRE HARNESS wires to
the battery — RED wires to POSITIVE (+) battery
terminal and BLACK wires to NEGATIVE (–) battery
terminal.
The BATTERY WIRES from the CONTROL BOARD
should extend through the KNOCK-OUT in the
back of the CONTROL BOX. Plug the BATTERY
HARNESS wires into the wires coming from the
CONTROL BOX.
Step 5
Battery
Battery Wire Harness
with In-Line Fuse
Battery Box
Back of
Control Box
Tuck the excess battery leads into the battery box
and reattach the CONTROL BOX to the BATTERY
BOX
Step 6
Remove the Control Box Cover
Remove the four (4) control box cover screws
and remove the cover to access the CONTROL
BOARD.
Step 7
Attach antenna to
control box cover. First,
remove the Phillips screw
(labeled ANT) from the
control box cover. Place
one end of the antenna
coil over the antenna
plug (antenna wire will fit
into groove). Tighten the
Phillips screw to secure
antenna.
Control Box
Control Board
Control Box Cover
14 Diamond Dual Instruction Manual
Connect Operator Power Cables
Bring FIRST and SECOND power cables into the control box
through a strain relief slots, leaving enough wire to reach the
FIRST OPR. and SECOND OPR. terminal blocks.
Insert the individual power cable wires into appropriate terminals
on the FIRST OPR. terminal block (white to WHT; green to GRN;
red to RED; black to BLK). Repeat process for SECOND OPR.
wiring. Tighten the set screws.
Correct
Wire
Wrong Wrong
Screwed into
wire insulation
Exposed strands
of wire
1st OPR.
OPEN < JOG > CLOSE
2nd OPR.
PWR.
LIMIT
SET
CYCLE
EDGE
SENSOR
COMMON
LOCK+
LOCK–
SECOND OPR.FIRST OPR.
14 VAC
SOLAR
SFTY.
EXIT
WHT
GRN
RED
WHT
GRN
RED
OR
BLK
BLK
MIN
STALL FORCE
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
ON OFF
MAX
K2
K3
K4
VAR6
OFF
AUTO CLOSE
VAR1
VAR2
VAR3
VAR4
VAR5
PF1
BATT +
STATUS
K1
120
SEC.
JP1
BATT –
GTO Inc. Tallahassee, FL
R4722
FIRST Opener
Power Cable
Strain Relief Slots
(Battery Wires Not Shown)
Connect the Transformer
(*Solar Instructions on Page 21)
NEVER USE TRANSFORMER AND SOLAR PANEL(S) AT THE SAME TIME!
IMPORTANT INFORMATION ABOUT LOW VOLTAGE WIRE:
• The only wire acceptable for use with GTO products is 16 gauge stranded, low voltage, direct burial
wire. This particular gauge enables the transformer to provide an adequate charge through the control
board to the battery at distances up to 1000'.
• DO NOT use telephone wire or solid wire.
• NEVER SPLICE WIRES. Splicing permits corrosion and seriously degrades the wire's ability to carry an
adequate current.
Step 1
Make sure the power switch is OFF.
Step 2
Select the electrical outlet where you will plug the transformer.
Measure the distance from this outlet to the control box following
the path where the wire will be laid. (Allow for an additional 6” to be pulled into the control box).
Diamond Dual Instruction Manual 15
ON/OFF
Switch
ON/OFF
VAR6
BATT +
K3
K4
WHT
GRN
SECOND OPR.
RED
BLK
14 VAC
OR
SOLAR
ON OFF
Low Voltage Wire
from Transformer
or Solar Panel
Gate Opener
Run 1000' (max.) of low
voltage wire to control
box from transformer
(wire not included).
120 Volt indoor
Transformer
(surge protector
not supplied)
PVC conduit (not included)
to protect wire from lawn
mowers and weed eaters.
Control and Battery Box
Step 3
Lay the 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 accidental
damage. Be sure to bury the wire laid in the
trench.
Step 4
Bring enough wire up through the PVC conduit to reach the
control board.
Step 5
Strip 3/16” off the ends of the low voltage wire and twist
tightly. Attach these ends to the 14VAC OR SOLAR terminals
located on the terminal block. Be certain not to let the
exposed wires touch each other!
Insert one transformer wire into a 14VAC OR SOLAR
terminal. Insert the other transformer wire into the remaining
14VAC OR SOLAR terminal. The transformer wires can be
connected to the 14VAC OR SOLAR terminals regardless of
color/polarity.
Tighten set screws against exposed end of wires.
1st OPR.
OPEN < JOG > CLOSE
2nd OPR.
PWR.
STATUS
MIN
MAX
OFF
STALL FORCE
SET
LIMIT
SFTY.
EXIT
CYCLE
EDGE
SENSOR
COMMON
LOCK+
LOCK–
WHT
GRN
RED
BLK
SECOND OPR.FIRST OPR.
WHT
GRN
RED
BLK
14 VAC
OR
SOLAR
Low Voltage Wire from
Transformer or Solar
AUTO CLOSE
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
VAR1
VAR2
VAR3
VAR4
VAR5
PF1
K2
BATT +
K3
K4
VAR6
ON OFF
K1
120
SEC.
JP1
BATT –
GTO Inc. Tallahassee, FL
R4722
Step 6
At the AC outlet, strip 1/2” of insulation from the ends of
the low voltage wire. Attach these stripped ends to the
transformer terminals.
16 Diamond Dual Instruction Manual
Make sure the exposed wires
do not touch each other!
SURGE PROTECTOR
Transformer
Step 7
Plug the transformer into the electrical outlet. Use of a surge
protector with the transformer is strongly recommended. If
electrical outlet is located outdoors, outlet and transformer
should be protected by a weatherproof cover.
Set the CLOSED Position Limit for PULL-TO-OPEN Installation
Your transmitter must be able to operate the gate. If not, see "Personal Transmitter Setting" on page 19.
Note: The OPEN limit is when the openers are fully retracted and the gates are in the fully open position.
The open limit setting can only be adjusted by moving the gate brackets. To achieve the optimum closed
position, you must adjust the CLOSED limit setting:
Step 1
Make sure the Control Box is ON and that
the gates are in the OPEN POSITION (arm
fully retracted).
Step 2
Press and HOLD the Second Opener
CLOSE button on the control board and be
prepared to RELEASE the button when the
gate reaches the desired closed position/
limit. Use the JOG OPEN and CLOSE
buttons to "fine tune" the gate position if
neccessary.
FIRST Opener
JOG Buttons
SECOND Opener
JOG Buttons
SET LIMIT Button SET LIMIT Light
1st OPR.
OPEN < JOG > CLOSE
2nd OPR.
PWR.
SET
LIMIT
MIN
STALL FORCE
STATUS
OFF
MAX
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
AUTO CLOSE
SEC.
120
Step 3
Press and HOLD the First Opener CLOSE button on the control board and be prepared to RELEASE the
button when the gate reaches the desired closed position/limit. Use the JOG OPEN and CLOSE buttons to
“fine tune” the gate position if neccessary.
Step 4
With the gates in in the desired closed positions PRESS and HOLD the SET LIMIT button until the alarm
and RED Light come on. Then release the button.
NOTE: The opener must be extended more than 7 inches to set limits.
Step 5
NOTE: When the control box cover is removed the receiver range is reduced to less than 5 feet.
Press the transmitter button once (within 5 feet of the control board) and allow the gates to fully open.
The alarm will beep once when the gates reach the OPEN LIMIT. This indicates the limits for the arms
are programmed in memory.
Step 6
Press the transmitter button and allow the gates to fully close to verify that it stops at the desired positions.
Repeat Steps 2-5 if correction is needed.
Diamond Dual Instruction Manual 17
Adjust the Stall Force Setting
MIN
MAX
OFF
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
120
SEC.
STALL FORCE
SET
LIMIT
STATUS
AUTO CLOSE
MIN
MAX
OFF
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
120
SEC.
STALL FORCE
SET
LIMIT
STATUS
AUTO CLOSE
The Stall Force potentiometer controls the the amount of force
the opener will apply against an obstruction before it stops and
reverses direction within two seconds.
IMPORTANT: The Stall Force setting will need to be adjusted
to compensate for the weight and size of your gates. For safety
reasons, use the lowest possible setting to operate the gate.
The Stall Force potentiometer on the control board operates like
a volume control on a radio. Use a small flat blade screwdriver
to turn the arrow in the center of the potentiometer. Adjust the
sensitivity from the MINIMUM position just to the point where the
gate operates smoothly without obstructing from its own weight
or wind conditions.
NOTE: You may need to increase the stall force in cold weather
due to increased resistance from gate hinges.
Set Auto-Close Time
The Auto-Close determines how long the gate will remain open
before it automatically closes. The factory setting is OFF. Use a
small flat blade screwdriver, you can adjust the settings to OFF,
or from 3 to 120 seconds.
MIN
STALL FORCE
OFF
SEC.
AUTO CLOSE
MAX
120
NOTE: The Auto-Close timer will only funtion if the gates are in
the fully open position.
18 Diamond Dual Instruction Manual
Personal Transmitter Setting
1 2 3 4 5 6 7 8 9
ECE
A23S 12V
ALKALINE BATTERY
+
0
–
LED
All GTO transmitters have a standard setting and are ready to
operate your Mighty Mule Gate Opener. For your safety and
security, we strongly recommend that you replace the factory
setting with your own personal setting.
NOTE: If you have multiple transmitters, you should adjust all of
them at this time.
Step 1
Use a small phillips head screw driver to remove the transmitter
cover.
Step 2
Set the transmitter DIP switches using a small screwdriver.
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 reset, replace and close the
access cover.
WARNING: No other adjustments should be made inside the
transmitter.
Step 3
1 2 3 4 5 6 7 8 9
+
0
ECE
Program the new setting in the control board memory.
A. Slide the control box ON/OFF switch to the OFF position.
B. Press and hold the transmitter button while sliding the ON/
OFF switch to the ON position.
C. Continue to hold the transmitter button until the alarm
sounds (3-5 seconds).
D. Release the transmitter button. The new transmitter setting is now
programmed.
E. Verify that the transmitter operates the gate.
NOTE: It is NOT necessary to remove the cover of the control
box to program the new transmitter code, but when the control
box cover is removed the receiver range is reduced to less
than 5 feet.
FCC WARNING: Changes or modications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate
the equipment. In accordance with FCC Part 15, Section 15.21, the manufacturer is not responsible for any radio or TV interference caused by unauthorized
modications to this equipment. Such modications could VOID the user authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. 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. The external solid
wire antenna was used during FCC testing. Substitutes should not be used.
However, there is no guarantee that interference will not occur in particular installations. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment o and on, the user is encouraged to try to correct the interference by one or more of
the following measures: • Increase the separation between the equipment and the receiver. • Connect the equipment into an outlet on a circuit dierent from
that which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help.
ON/OFF
Switch
ON/OFF
Diamond Dual Instruction Manual 19
Push-To-Open Installation Information
Swinging gates shall not open into public access areas!
A “Push-to-Open” gate opens out from the property (operator arm extends to open the gate). A Push-ToOpen installation requires the purchase of a Push-To-Open Bracket
In a Push-To-Open installation the operator is installed while the gate is in the CLOSED POSITION.
Install the Operator
Follow directions for installing the
Diamond beginning on page 7. The Push-
To-Open installation diers from the Pull-ToOpen installation in the following ways:
1. In a Push-To-Open installation, the
arm fully extends to open the gate,
and it fully retracts to close the gate.
(C)
2. You will install the operator while the
gate is in the CLOSED POSITION
(arm fully retracted). (A)
3. You must use the Push-to-Open Post Pivot Bracket
Post Bracket assembly. (B)
4. IMPORTANT: While determining the mounting point for the post pivot
bracket assembly be sure that the position allows for 2” clearance
between the gate and the operator in both the open and closed
positions (see diagram below). This clearance will give the operator
the most efficient leverage point for opening and closing the gate and
more importantly provides the least possible pinch area. (C)
Level Operator
Gate Post
[FM148] in the
[FM148].
Gate In Closed Position
LEVEL horizontal cross member
Clevis Pin, Bushing and Hairpin Clip
3/8" x 2" Bolt
Post Bracket
Push-To-Open
Pivot Bracket
Post Bracket
A
B
15”
Gate in the
OPEN POSITION
Pinch Area
2" minimum
20 Diamond Dual Instruction Manual
2" minimum
Gate in the
CLOSED POSITION
Pinch Area
C
3/8" Washer
3/8" Lock Washer
3/8" Nut
*The Troubleshooting Wizard
has detailed information on
Push-To-Open installations.
Setting the Open Position Limit
Step 1: Remove Push-To-Open Jumper
A. Make sure the control box power switch is OFF.
B. Use small pliers to remove the JUMPER for PUSH-TO-OPEN
applications.
C. Turn power switch ON. The control board is now configured
to push the gates open. (Keep the jumper, as it is necessary
if there is ever a need to convert the opener for Pull-ToOpen.)
Step 2: Set the Open Position Limit (Push-to-Open)
The CLOSED limit is when the openers are fully retracted and the
gates are in the closed position. The closed limit setting can only
be adjusted by moving the gate brackets.
To acheive the optimum open position, you
must adjust the OPEN Limit setting:
FIRST Opener
JOG Buttons
A. If not already ON slide the ON/OFF
switch on the Control Box to the ON
SECOND Opener
JOG Buttons
position and make sure the arms
are in the CLOSED POSITION (fully
retracted).
B. Press and HOLD the FIRST Opener
OPEN button on the control board and
be prepared to RELEASE the button
SET LIMIT Button SET LIMIT Light
when the gate reaches the desired
open position/limit. Use the JOG OPEN
and CLOSE buttons to "fine tune" the
gate position if neccessary.
OPEN < JOG > CLOSE
PWR.
1st OPR.
OPEN < JOG > CLOSE
2nd OPR.
PWR.
1st OPR.
2nd OPR.
SET
LIMIT
SET
LIMIT
MIN
STALL FORCE
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
MIN
MAX
STALL FORCE
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
STATUS
120
OFF
MAX
Push-To-Open Jumper
AUTO CLOSE
STATUS
OFF
AUTO CLOSE
SEC.
SEC.
120
C. Press and HOLD the SECOND Opener OPEN button on the control board and be prepared to
RELEASE the button when the gates reached the desired open position/limit. Use the JOG OPEN
and CLOSE buttons to “fine tune” the gate position if neccessary.
D. NOTE: The opener arms must be extended more than 7 inches to set limits. With the gates in in the
desired open positions PRESS and HOLD the SET LIMIT button until the alarm and RED Light come
on. Then release the button.
E. NOTE: When the control box cover is removed the receiver range is reduced to less than 5 feet. Press
the transmitter button once and allow the gate to fully close. The alarm will beep once when the gates
reach the CLOSED LIMIT. This indicates the LIMITS for both arms are learned and stored in memory.
F. Press the transmitter button and allow the gates to fully open to verify that it stops at the desired
positions. Repeat Steps B – E if correction is needed.
Note: Must have a transmitter that operates the gate. If not, see Personal Transmitter Setting on page 19.
Diamond Dual Instruction Manual 21
VAR6
BATT +
K3
K4
WHT
GRN
SECOND OPR.
RED
BLK
14 VAC
OR
SOLAR
ON OFF
Low Voltage Wire
from Transformer
or Solar Panel
Solar Panel Instructions
RED
RED
BLACK
BLACK
Solar Panels connect in PARALLEL
NEVER USE TRANSFORMER AND SOLAR PANEL(S) AT THE SAME TIME!
It will damage the control board!
IMPORTANT INFORMATION ABOUT LOW VOLTAGE WIRE:
• The only wire acceptable for use with GTO products is 16 gauge stranded, low voltage, PVC sheathed
wire. This gauge enables the solar panel to provide an adequate charge through the control board to
the battery at distances up to 250'.
• DO NOT use telephone wire or solid wire.
Step 1
Make sure the power switch is OFF.
ON/OFF
Switch
ON/OFF
Step 2
Strip 3/16" off the ends of the low voltage wire and twist tightly. Attach these ends to the 14VAC OR SOLAR
terminals located on the terminal block. Be certain not to let the exposed wires touch each other!
Step 3
Insert one solar panel wire into a 14VAC
OR SOLAR terminal. Insert the other
solar panel wire into the remaining 14VAC
OR SOLAR terminal. The wires can be
connected to the 14VAC OR SOLAR
terminals regardless of color/polarity.
Step 4
Tighten set screws against exposed end of wires.
NOTE: For multiple panels, wire the panels in parallel
as shown in this diagram.
1st OPR.
OPEN < JOG > CLOSE
2nd OPR.
PWR.
SET
LIMIT
SFTY.
EXIT
CYCLE
EDGE
SENSOR
COMMON
LOCK+
LOCK–
WHT
GRN
RED
BLK
SECOND OPR.FIRST OPR.
WHT
GRN
RED
BLK
14 VAC
OR
SOLAR
Low Voltage Wire from
Transformer or Solar
MIN
STALL FORCE
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
ON OFF
VAR6
MAX
K2
K3
K4
OFF
VAR5
PF1
STATUS
AUTO CLOSE
VAR1
VAR2
VAR3
VAR4
K1
BATT +
120
SEC.
JP1
BATT –
GTO Inc. Tallahassee, FL
R4722
22 Diamond Dual Instruction Manual
24/7 Troubleshooting Wizard:
http://support.gtoinc.com
Connecting Accessories
VAR5
VAR6
K1
PF1
K2
BATT +
BATT –
K3
K4
VAR4
VAR3
VAR2
VAR1
MIN
MAX
OFF
JP1
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
120
SEC.
GTO Inc. Tallahassee, FL
R4722
STALL FORCE
OPEN < JOG > CLOSE
PWR.
SET
LIMIT
1st OPR.
2nd OPR.
STATUS
AUTO CLOSE
SFTY.
EXIT
CYCLE
EDGE
SENSOR
COMMON
LOCK+
LOCK–
WHT
GRN
RED
BLK
WHT
GRN
SECOND OPR.FIRST OPR.
RED
BLK
14 VAC
OR
SOLAR
ON OFF
Accessory Wire
STALL FORCE
SET
LIMIT
SFTY.
EXIT
CYCLE
EDGE
SENSOR
COMMON
LOCK+
LOCK–
WHT
GRN
RED
BLK
WHT
GRN
SECOND OPR.FIRST OPR.
RED
6
7
54321
Although GTO strongly recommends the use of additional safety devices, we do not endorse any specific
brands. Only use products that are certified and listed to be in compliance with any applicable UL standards
(Underwriters Laboratories) and national and regional safety codes.
Call GTO Sales at 1-850-575-0176 for information on compatible products for your specific application.
Step 1
Turn control box OFF before connecting safety device wires to the control board. (Unplugging the
transformer does not turn power to the opener OFF.)
Step 2
Run wires from safety devices and other accessories through the strain relief openings in the bottom of the
control box.
Step 3:
Follow directions in Accessory Installation Manuals.
7
6
®
AUTOMATIC
GATE LOCK
ELECTRONIC SECURITY LOCK
Automatic Gate Lock
4
5
Edge Sensor
Push Button Control
Digital Keypad
NOTE: Connections are for typical applications. For additional connection options not
5
3
Blue
2
3
1
ABC
DEF
5
6
4
JKL
MNO
GHI
5
8
9
7
TUV
WXY
PRS
0
3
illustrated here refer to the accessory manual for details.
1
5
Photo Beams
2
Black
5
Red
+
Yellow
Gate Opening Sensor
Refer to Sensor manual for
additional information if needed.
Shield
-
Diamond Dual Instruction Manual 23
Accessory Inputs
VAR5
VAR6
K1
PF1
K2
BATT +
BATT –
K3
K4
VAR4
VAR3
VAR2
VAR1
MIN
MAX
OFF
JP1
REMOVE JUMPER FOR
PUSH TO OPEN OPTION
120
SEC.
GTO Inc. Tallahassee, FL
R4722
STALL FORCE
SET
LIMIT
STATUS
AUTO CLOSE
SFTY.
EXIT
CYCLE
EDGE
SENSOR
COMMON
LOCK+
LOCK–
WHT
GRN
RED
BLK
WHT
GRN
SECOND OPR.FIRST OPR.
RED
BLK
14 VAC
OR
SOLAR
ON OFF
SAFETY: Typically for use with photo beam device, loop
1
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.
• Activation of this input while at open limit will restart the
auto close time (if enabled).
EXIT: Typically for use with exit loop or wand
2
• Activation of this input will open the gate if it’s not already
at the open position.
1
2
3
4
5
6
7
• Activation of this input while at open limit will restart the
auto close time (if enabled).
• Activation of this input while gate is open will prevent gate
from closing.
CYCLE: Typically for use with doorbell button or hardwired
3
keypad
• Each activation at this input will cycle the operation as
follows:
…→ OPEN → STOP → CLOSE → STOP → OPEN → …
EDGE SENSOR: Typically for use with contact edge
4
sensor
• Activation of this input while gate is moving will cause it to
reverse direction for 2 seconds.
• Activation of this input while idle will prevent gate from running.
COMMMON: Common/Negative terminal for accessory devices.
5
12 Volt Power (Maximum Current: 100 mA)
COM: Common/Negative terminal for accessory power source.
5
LOCK +: Power source for GTO/Mighty Mule accessories, i.e. Gate Opening Sensor [FM139].
6
Lock Outputs
LOCK +: Positive terminal to connect Automatic Gate Lock [FM144].
6
LOCK – : Negative terminal to connect Automatic Gate Lock.
7
Charge Power Inputs
14VAC or SOLAR: Power Input Terminals:
8
• Input terminals for transformer or solar panel.
• Non-polarity sensitive.
8
24 Diamond Dual Instruction Manual
Column Installation
If this operator will be used with gates that are mounted on masonry, brick, or rock (etc.) columns, read the
following carefully before proceeding
A. The simplest solution is to install the operator in a push-to-open configuration. The minimum
clearance is easier to achieve and clearance is no longer a problem, since the operator will be pushing
the gate away from the column instead of pulling it toward the column. It is recommended that you
place a steel plate between the operator mounting brackets and masonry surface for additional
strength.
B. If a push-to-open installation is impossible due to traffic hazards, terrain, etc., another option is to re-
hang the gate. You may hang it on a post, either in the center of the column or at the back corner, or
move the gate to the back corner of the column.
C. The most difficult solution is to cut a notch in the column to accommodate the operator and power
cable. This job is NOT for the inexperienced!*
Hinge
Pivot Bracket
Column
A
B
Gate
Column Mount Example
(A + B can not exceed 15 inches)
Example: If A is 6" then B cannot exceed 9"
*The Troubleshooting Wizard has detailed information
on column mounting.
Diamond Dual Instruction Manual 25
Troubleshooting Guide
If your gate opener does not function properly, use this guide or use the online troubleshooter at
http://support.gtoinc.com before calling the GTO Service Department.
VISUAL AND AUDIBLE DIAGNOSTIC INDICATORS
1. VISUAL INDICATORS:
a. Power LED (Green):
• ON: AC power or Solar power is present.
• OFF: There is no input power.
b. Status LED (Yellow): (while unit is running this LED will be OFF)
• Rapid blinking in random pattern: GTO’s transmitter 318 MHz signal is detected.
• Continuously ON: Battery is in fast charge mode.
• 1 Blink every 2 seconds: Battery is in float charge mode (battery is fully charged)
• OFF: Switch is in the OFF position or there is no input power for at least 60 seconds.
2. AUDIBLE INDICATORS (ALARM/BUZZER):
a. Beeps upon power up:
• This is normal self test when the unit is turned on.
b. Continuous beep after power up:
• Unit has learned new transmitter code, releasing the transmitter button will shut off
the alarm.
c. Rapid beeping:
• Unit has encountered two (2) obstructions without reaching either limit. (Power cycle to reset the alarm)
• Transmitter will not operate the gate.
• Alarm will automatically shut off after 5 minutes; gate will remain disabled until control box is restarted.
d. 1 beep every 20 seconds:
• Low battery is detected.
e. 1 beep every 2 second (first operator):
• Position sensor is open circuit. Call GTO Service department.
f. 3 beeps every 2 second (first operator):
• Position sensor is short circuit. Call GTO Service department.
g. 2 beeps every 2 second (second operator):
• Position sensor is open circuit. Call GTO Service department.
h. 4 beeps every 2 second (second operator):
• Position sensor is short circuit. Call GTO Service department.
i. 1 or more beeps when attempting to activate the opener:
• Blown fuse.
• Battery is extremely low or damaged.
• Loose connection from battery to circuit board.
3
. IF THE GATE STOPS AND REVERSES DIRECTION
a. Check the gate for binding or hinge damage.
b. Adjust stall force if necessary.
c. Check the position of the mounting brackets and readjust or tighten if necessary.
26 Diamond Dual Instruction Manual
VOLTAGE READINGS
14 Vac Transformer _____________ 13.0 to 16.0 Vac
10 W Solar panel _______________ 18.0 to 22.0 Vdc
Measure voltage at panel and control box w/ panel disconnected.
12 V Battery ____________________ 12.5 to 13.5 Vdc
Charging circuit ________________ 13.8 to 14.8 Vdc
Measure voltage at battery terminals with battery disconnected.
Gate and Opener Maintenance:
1. Keep gates properly maintained. Grease hinges. Make sure gates remain level. Replace worn or
damaged hardware. On gates over 250 lbs, grease ball bearing hinges at least 4 times annually
(more if in a coastal area).
2. Service the gate opener regularly (make sure control box is OFF). Apply silicone spray to a soft, dry
cloth and clean the push-pull tube at least once a month.
Diamond Dual Instruction Manual 27
Repair Service
If your GTO Diamond Gate Operator is not operating properly, please follow the steps below:
1. First use the procedures found in the Troubleshooting Guide (see page 24).
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) 575-4144. Refer to the serial number (located on the right side of the battery 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. Once you have received your RGA# you are required to send in your original equipment for
repair. Please refer to Manufactures’ Limited Warranty for complete details. Securely pack
the component(s) authorized for return to the factory. Include a copy of your sales reciept
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
8:00am–7:00pm • Monday–Friday (EST)
3121 Hartseld Road • Tallahassee, Florida, USA 32303
800-543-4283 • Fax (850) 575-8912
Web site www.mightymule.com
24/7 Troubleshooting Wizard: http://support.gtoinc.com
28 Diamond Dual Instruction Manual
Accessories for Diamond
1
2
ABC
3
DEF
4
GHI
5
JKL
6
MNO
7
PRS
8
TUV
9
WXY
0
Please visit www.gtoaccess.com for photos and detailed descriptions of
Mighty Mule 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 [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]
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.
Digital Keypad [FM137]
Allow friends access to your property using an entry code that you provide.
Program up to 25 entry codes for added security. Powered by three “AA” batteries
(not included).
Diamond Dual Instruction Manual 29
Residential Wireless Entry Intercom [FM136]
AUTOMATIC
GATE LOCK
®
ELECTRONIC SECURITY L
OCK
, Inc.
SECURITY GATE LOCK
®
2
ABC
3
DEF
5
JKL
6
MNO
8
TUV
9
WXY
0
1
4
GHI
7
PRS
POWER
Keypad
Batt Low
DV 9V
Designed for added security to your automated gate with the ability to “speak to” and
Grant
Permission
Answer
“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. Available for in-ground or surface
installations.
“HANDS FREE” ENTRY & EXIT ACCESSORIES
Driveway Vehicle Sensor [FM138]
Automatically activates gate operator “Hands-Free” when a vehicle exits the property.
Electromagnetic sensor detects vehicles in motion.
• 50 ft. [FM138]
• 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
Automatic Gate Lock [FM143]
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.
30 Diamond Dual Instruction Manual
ADDITIONAL ACCESSORIES
Photo Beams [R4222]
Primary “through beam” photo beam device. Provides “non-contact” entrapment
protection.
Pin Lock [FM133]
Use as a substitute for the clevis pin at the front mount of the Diamond to prevent theft
of the operator.
Push Button Control [FM132]
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 [RB502]
Standard 14 volt, 1430 mA AC transformer included with the Diamond to maintain
battery charge.
HARDWARE ACCESSORIES
Push To Open Brackets [FM148]
Required when the Diamond 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.
Diamond Dual Instruction Manual 31
Notes
32 Diamond Dual Instruction Manual
Notes
Diamond Dual Instruction Manual 33
3121 Hartsfield Road • Tallahassee, Florida, USA 32303
800-543-4283 • Fax (850) 575-8912
Web site www.mightymule.com
24/7 Troubleshooting Wizard: http://support.gtoinc.com
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