Viking Access Systems X-390 Original instructions

INSTALLATION
INSTRUCTIONS
AND SAFETY INFORMATION
SINGLE AND DUAL GATE SYSTEMS
CLASS I, CLASS II, CLASS III,
AND CLASS IV
Residential and Commercial
Vehicular Swing Gate Operator

THE VIKING X-390™ SWING GATE OPERATOR
STANDARD FEATURES
AND OPERATOR SPECIFICATIONS
• ETL Listed; UL325 and UL991
• Manual Release Mechanism
• Opening up to 120°
• 100% duty cycle
• Built-in power-outage management options
• Up to 400 continuous cycles of operation on
backup battery
• Intelligent obstruction detection with
adjustable sensitivity
• Adjustable delay for overlapping dual gates
• Hold Open Timer to automatically close
the gate
• Modular connectors for easy access control
and accessory installation
• Regulated power supply for your external
accessories
• LED indicators display gate and operator
status for easy troubleshooting
• On-Board LCD Display provides diagnostics,
operator status, settings and real-time volt
and amp readings
• Built-in motor heater for cold weather
applications
• Equipped for 115/230 VAC, 24 VAC/VDC
and Solar power supplies

VIKING TECHNICAL SUPPORT 1.800.908.0884 X-390 • Rev A1 • October 2020 1
TABLE OF CONTENTS:
IMPORTANT SAFETY INFORMATION 2-9
Important Safety Instructions 2
Important Installation Instructions 2-3
Maintenance 4
General Safety Precautions 4-5
UL325 Gate Operator Classifications 5
Monitored Entrapment Protection Requirements 6
Monitored Entrapment Protection Installation 7
Manual Release 7
Audible Alarm Reset Installation 8
Warning Placard Installation 9
SPECIFICATIONS 10
CONTROL BOARD REFERENCES 11
GATE OPERATOR INSTALLATION 12-15
Plans of Installation 12-13
Installing the Gate Operator 14
Limits Setup 15
ECU BOX INSTALLATION 17
ELECTRICAL INSTALLATION 18-21
High Voltage Supply Option 18
Low Voltage Supply Option 19
Solar Supply Option 19
Motor Cable 20-21
Monitored UL Sensor Connections 22
LIMITS INDICATIONS 23
CONTROL BOARD SETUP 24-27
Initial Settings 24-25
Obstruction Detection Sensor (ODS) 26
Heater 27
ACCESSORY CONNECTIONS 28-35
Access Control Connections 28-29
Radio Receiver 30
Photocell 31
Viking Loop Rack 32
Guidelines for Loop Installations 33
Magnetic Lock, Lock Solenoid 34
Barrier Arm Synchronization Option 35
TROUBLESHOOTING 36-41
LED References 36-37
LCD Display References 38-40
Solutions 41
APPENDIX A 42
PARTS DIAGRAM/PARTS LIST - OPERATOR 44
PARTS DIAGRAM/PARTS LIST - CONTROLLER 45
LIMITED WARRANTY 46-47
VIKING ACCESSORIES 48

VIKING TECHNICAL SUPPORT 1.800.908.0884
2
IMPORTANT SAFETY INSTRUCTIONS
!WARNING! To reduce the risk of severe injury or death.
1. READ AND FOLLOW ALL INSTRUCTIONS.
2. Never let children operate or play with gate controls. Keep the remote 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
when an object activates the non-contact sensors. After adjusting the force or the limit
travel, retest the gate operator. Failure to adjust and retest the gate operator properly
can increase the risk of injury or death.
5. Use the emergency release only when the gate is not moving.
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 a separate entrance.
8. Every gate operator installation MUST have secondary protection devices against
entrapment, such as edge sensors and photo beams more in particularly in places
where the risk of entrapment is more likely to occur.
9. SAVE THESE INSTRUCTIONS.
IMPORTANT INSTALLATION INSTRUCTIONS
1. Install the gate operator only when:
a. The operator is appropriate for the construction of the gate and usage Class of the
gate (refer to page 5),
b. All openings of a horizontal slide gate are guarded or screened from the bottom of
the gate to a minimum of 6 feet (1.83 m) above the ground to prevent a 2-1/4 inch
(57.2 mm) diameter sphere from passing through the openings anywhere in the gate,
and in that portion of the adjacent fence that the gate covers in the open position,
c. ALL EXPOSED PINCH POINTS ARE ELIMINATED OR GUARDED, AND
d. GUARDING IS SUPPLIED FOR EXPOSED ROLLERS.
2. 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 into contact with the vehicular gate during the entire path of travel of the
vehicular gate.
3. The gate must be installed in a location so that enough clearance is supplied between
the gate and adjacent structures when opening and closing to reduce the risk of
entrapment. Swinging gates shall not open in to the public access areas.
4. The gate must be properly installed and work freely in both directions prior to the
installation of the gate operator. Do not over-tighten the operator clutch or pressure
relief valve to compensate for a damaged gate.
5. The gate operator controls must be placed so that the user has full view of the gate area
when the gate is moving AND AWAY FROM THE GATE PATH PERIMETER.
6. Controls intended for user activation must be located at least six feet (6’) away from
any moving part of the gate and where the user is prevented from reaching over, under,
around or through the gate to operate the controls.
Exception: Emergency access controls only accessible by authorized personnel (i.e. fire,
police, EMS) may be placed at any location in the line-of-sight of the gate.
IMPORTANT SAFETY INFORMATION
!WARNING! Not Following these instructions may cause severe injury or death.

VIKING TECHNICAL SUPPORT 1.800.908.0884 3
IMPORTANT INSTALLATION INSTRUCTIONS (Continued)
7. The Stop and/or Reset button must be located in the line-of-sight of the gate. Activation
of the reset control shall not cause the operator to start.
8. A minimum of two (2) WARNING SIGNS shall be installed, in the area of the gate. Each
placard is to be visible by persons located on the side of the gate on which the placard is
installed.
9. For gate operators using non-contact sensors (photoelectric beam or like) in
accordance with section 32.1.1 of the UL standard:
a. See instructions on the placement of non-contact sensors for each type of
application (refer to page 6).
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, and
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 (refer
to page 6).
d. For UL compliance: Use Viking: FA-XP30-10K // Omron: E3K-R10K4-NR-1 // EMX: IRB-
RET, IRB-MON // Miller Edge: RG-K-R, PG-K-R100, PG-K-R50, MIM-62 // S e co - L a rm
E-931-33PRGQ, E-936-S45RRGQ, E-931-S50RRGQ, E-960-D90GQ // EMX NIR-50-325
10. For a gate operator utilizing a contact sensor (edge sensor or like) in accordance
with section 32.1.1 of the UL 325 standard:
a. One or more contact sensors shall be located where the risk of entrapment or
obstruction exists, such as a the leading edge, trailing edge, and post mounted both
inside and outside of a vehicular horizontal slide gate (refer to page 6).
b. One or more contact sensors shall be located at the bottom of a vehicular vertical lift
gate.
c. One or more contact sensors shall be located at the pinch point of a vehicular
vertical pivot gate.
d. A hardwired contact sensor shall be located and its wiring arranged so that
the communication between the sensor and the gate operator is not subject to
mechanical damage.
e. 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 obstructions. A wireless contact sensor shall function
under the intended end-use conditions.
f. One or more contact sensors shall be located on the inside and outside leading edge
of a swing gate. Additionally, if the bottom edge of a swing gate is greater than 6
inches (152 mm) but less than 16 inches (406 mm) above the ground at any point in
its arc of travel, one or more contact sensors shall be located on the bottom edge.
g. One or more contact sensors shall be located at the bottom edge of a vertical barrier
(arm).
h. For UL compliance: Use only EMX: WEL-200K // Miller Edge: ME110 through ME117,
ME120, ME123, MG020, MGR20, MGS20, RB-G-K10, MIM-62 // ASO: 25.30, 25.45,
95.20
IMPORTANT SAFETY INFORMATION
!WARNING! Not Following these instructions may cause severe injury or death.

VIKING TECHNICAL SUPPORT 1.800.908.0884
4
IMPORTANT SAFETY INFORMATION
MAINTENANCE
Remove the Power Harness from the Control Board. (refer to page 18)
• Clean and lubricate the turning pins and gate hinges using the recommended
lubricant.
• Check that all mounting hardware of the gate operator is properly tighten.
• Ensure that the gate moves freely.
• Check for corroded parts and replace if necessary.
• Check the battery for the following:
- Battery connections must be free of corrosion.
- Battery voltage must be 26VDC (fully charged battery).
Reconnect the Power Harness for the Control Board. (refer to page 18)
• Check and confirm the proper operation of all safety devices (photoelectric
eye, edge sensors or like).
• Check and confirm the operation of all installed accessories.
• Check and confirm the operation of all special features such as the Intelligent
Obstruction Sensor and Hold Open Timer. (refer to pages 24-26)
• Check and confirm the operation of the manual release. (refer to page 7)
• Verify the functionally of the battery backup, or power failure option, by
turning off the main power source (115VAC or 230VAC). DO NOT FORGET TO
TURN ON THE MAIN POWER SOURCE AFTER VERIFICATION.
GENERAL SAFETY PRECAUTIONS
The following precautions are an integral and essential part of the product and must be
supplied to the user. Read them carefully as they contain important indications for the
safe installation, use and maintenance.
• These instruction must be kept and forwarded to all possible future users of the
system.
• This product must be used only for that which it has been expressly designed.
• Any other use is to be considered improper and therefore dangerous.
• The manufacturer cannot be held responsible for possible damage caused by
improper, erroneous or unreasonable use.
• Avoid operating in the proximity of the hinges or moving mechanical parts.
• Do not enter the path of the moving gate while in motion.
• Do not obstruct the motion of the gate as this may cause a situation of danger.
• Do not allow children to play or stay within the path of the moving gate.
• Keep remote control or any other control devices out of the reach of children, in
order to avoid possible involuntary activation of the gate operator.
• In case of break down or malfunctioning of the product, disconnect from the main
power source. Do not attempt to repair or intervene directly, contact only qualified
personnel for repair.
• Failure to comply with the above may create a situation of danger.
• All cleaning, maintenance or repair work must be carried out by qualified personnel.
• In order to guarantee that the system works efficiently and correctly it is important
to have the manufacturer’s instructions on maintenance of the gate and operator
carried out by qualified personnel.
• In particular, regular checks are recommended in order to verify that the safety
devices are operating correctly.
All installation, maintenance and repair work must be documented and made
available to the user.
!WARNING! Not Following these instructions may cause severe injury or death.

VIKING TECHNICAL SUPPORT 1.800.908.0884 5
GENERAL SAFETY PRECAUTIONS (Continued)
a. Use only the following type and size battery(ies): Yuasa NP7-12 or VIKING DUBA12
b. Do not dispose of the battery(ies) in re. The cells may explode. Check with local
codes for possible disposal instructions.
c. Do not open or mutilate the battery(ies). Released electrolyte is corrosive and may
cause damage to the eyes or skin. It may be toxic if swallowed.
d. Exercise care in handling batteries in order not to short the battery with conducting
materials such as rings, bracelets and keys.
e. Change the battery(ies) provided with or identied for use with this product only in
accordance with the instructions and limitations specied in this manual.
f. Observe proper polarity orientation between the battery(ies) and charging circuit.
g. Do not mix batteries of different sizes or from different manufactures in this product
(applies to products employing more than one user replaceable secondary battery).
h. A battery-operated product employing a secondary battery supply intended to be
charged within the product shall contain specic instructions concerning the proper
method of charging.
!WARNING! Not Following these instructions may cause severe injury or death.
IMPORTANT SAFETY INFORMATION
Install the gate operator only when:
The operator is appropriate for the construction of the gate and the Usage Class of
the gate.
UL325 Gate Operator Classifications
GLOSSARY
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
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 accessible by or 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.

VIKING TECHNICAL SUPPORT 1.800.908.0884
6
Monitored Entrapment Protection Requirements
IMPORTANT: MONITORED PROTECTION MUST BE INSTALLED
• REQUIRED BY UL 325, an approved MONITORED entrapment protection sensor is
REQUIRED to be installed in all areas accessible to potential entrapment and pinch
points.
• For a horizontal swing gate operator, at least one Monitored External Entrapment Sensor is
required in each direction of travel. Except, if there is no entrapment zone in one direction
of travel, it is not required to have a Monitored Entrapment sensor for that direction of
travel.
! If there is a possible entrapment zone in the open direction, an external sensor MUST be
connected to the “UL” input or the installation will not comply with UL 325.
! An external sensor connected to the “Re-Open” input terminal will protect against
entrapment ONLY in the closing direction.
• The installed sensor MUST be “10K Resistor Based”.
• You may connect up to FOUR monitored sensors, wired in parallel, to either the “UL” and/or
“Re-Open” terminals, for a total of 8 monitored sensors.
• Failure to install the required monitored entrapment protection sensor(s) may render the
gate operator INOPERABLE. The gate can be moved manually. Refer to page 7.
• Consult the installation manual of the sensor for detailed information about the usage,
installation and maintenance.
• Use only UL and/or ETL Recognized Edge Sensors and Photoelectric Sensors. Refer to pg 3.
SWING GATE ENTRAPMENT ZONE – Locations between a moving gate or moving, exposed
operator components and a counter opposing edge or surface where entrapment is possible
up to 1.8 m (6 ft) above grade. Such locations occur if during any point in travel:
a. The gap between the bottom of a moving gate and the ground is greater than 101.6 mm
(4 in) and less than 406 mm (16 in); or
b. The distance between the center line of the pivot and the end of the wall, pillar, or
column to which it is mounted when in the open or closed position exceeds 101.6 mm (4
in). Any other gap between a moving gate and fixed counter opposing edges or surfaces
or other fixed objects is less than 406 mm (16 in) (examples are walls, curbs, berms or
other immovable objects).
Edge Sensor (contact sensor)
IMPORTANT SAFETY INFORMATION
!WARNING! Not Following these instructions may cause severe injury or death.
Edge Sensor
POTENTIAL ENTRAPMENT AREA
Photobeam Unit
Reector
Reector
Photobeam Unit
POTENTIAL ENTRAPMENT AREA
Photoelectric Sensor (non-contact sensor)

VIKING TECHNICAL SUPPORT 1.800.908.0884 7
“UL” Protects against entrapment in both the opening and closing directions. Input will
reverse the gate momentarily in the opposite direction it was traveling. Refer to page 22.
“Re-Open” Protects against entrapment in the closing direction ONLY. Input will reverse the
gate all the way to the Open Limit. Refer to page 22.
IMPORTANT SAFETY INFORMATION
!WARNING! Not Following these instructions may cause severe injury or death.
Monitored Entrapment Protection Installation
!IMPORTANT: A minimum of one Monitored External Entrapment Sensor is required to be
connected to the UL terminal OR the Re-Open terminal. If there is a possible entrapment
zone in the open direction, an external sensor MUST be wired to the “UL” input or the
installation will not comply with UL 325.
UL LEARN
NO LEARN
10K Monitored Terminal
10K Monitored Terminal
STEP 1: Connect the monitored entrapment
protection sensor(s) to the Viking control
board as illustrated.
STEP 2:
Execute the Learn Process:
• Toggle the “Diagnose” button until you see
UL LEARN NO LEARN on the LCD Display.
• Press and hold the “Stop” button.
• Toggle the “Diagnose” button once.
• The number of Monitored sensors
connected to the “UL” or Re-Open
terminals will now be displayed.
EXAMPLE: UL LEARN
UL2 RO1
UL SENSOR ERRORS:
If an problem occurs with one of the monitored
entrapment sensors, the “Stop” LED will flash and
an ERR message will be displayed, indicating which
input terminal(s) the sensor is connected to.
TERMINAL: “UL” “Re-Open” “UL” & “Re-Open”
ERROR
MESSAGE:
ERR SENS
UL
ERR SENS
RO
ERR SENS
UL RO
Manual Release
When manual operation is required:
1. Insert the supplied Allen wrench
and turn it in the direction shown.
2. To reengage the gear, turn the
Allen wrench in opposite direction.
! DO NOT rotate the gear release
mechanism in any direction while the
motor is running.
Operator on the left side Operator on the right side
Lock Lock
Unlock Unlock

VIKING TECHNICAL SUPPORT 1.800.908.0884
8
Audible Alarm Reset Switch Installation
Manual Reset for the Audible Alarm
• UL325 standard requires an audible alarm to sound after two consecutive events
detected by the inherent entrapment protection of the gate operator (obstruction
sensor).
• The audible alarm will continue to sound for 5 minutes or until a stop command is
actuated.
• The Stop command can be actuated in three different forms:
1. Using the Built in Stop switch on the Control Board; or
2. Using an External Stop button within the sight of the gate, away from moving
parts of the gate and out of reach of children.
a. Controls intended for user activation must be located at least six feet (6’)
away from any moving part of the gate and where the user is prevented from
reaching over, under, around, or through the gate to operate the controls.
Outdoor or easily accessible controls shall have a security feature to prevent
unauthorized use.
b. The Stop and/or Reset button must be located in the line-of-sight of the gate.
Activation of the reset control shall not cause the operator to start.
3. Using the Reset Button on the Electronic Control Unit that is externally
accessible on the left side of the cabinet.
IMPORTANT SAFETY INFORMATION
!WARNING! Not Following these instructions may cause severe injury or death.
2
Manual Stop
Button
5'
Minimum
STOP
3

VIKING TECHNICAL SUPPORT 1.800.908.0884 9
!WARNING! Not Following these instructions may cause severe injury or death.
IMPORTANT SAFETY INFORMATION
DO NOT allow pedestrian use of this gate DO NOT install the gate operator to lift gates
Warning Placard Installation
• All Warning Placards must be installed
where visible in the area of the gate.
• A minimum of two placards shall be
installed.
• A placard is to be installed in the area of
each side of the gate and be visible.
CLOSE
STOP
OPEN
Locate Control Buttons
• Within sight of the gate,
• At a minimum height of 5 feet so small
children are not able to reach it; and
• At least 6 feet away from all moving
parts of the gate.

VIKING TECHNICAL SUPPORT 1.800.908.0884
10
SPECIFICATIONS
SPECIFICATIONS
Max Gate Length 14 Feet
Max Gate Weight 600 lbs
UL 325 Classication Class I, II, III, IV *refer to page 5
Duty Cycle 100%
Operating Voltage 24VDC
Main Power Source 120VAC / 240VAC Single Phase
Main Power Current 1.5A / 1.0A (each motor)
Main Power Frequency 50Hz / 60Hz
Main Power Fuse 4.0A Timed
Alternative Power 24VAC / VDC (60VA) or Solar
Accessory Power 24VDC (750mA)
Power Consumption - Sleep 28mA
Motor Current Draw - Typical 2.0A
Operating Temperature -20°F (-28°C) to 131°F (55°C)
Opening Angle 120°
!IMPORTANT: Cable shall be shielded with drain wire.
Connect drain wire to chassis ground of both the Operator
and the ECU.
MOTOR CABLE LENGTH/GAUGE
40 Feet 16 AWG
60 Feet 14 AWG
80 Feet 12 AWG
120 Feet 10 AWG
More than 120 Feet Not Recommended
5½
4⅜
14⅜
15¾
1¾
1
⅛
13
2⅜
9⅞
4
Ø⅜
2⅜
16⅛
5
⅛
5⅛
0
2
6 12 18
0
1
2¼
4
5¾
8⅛
0 4⅜ 5⅞ 12⅞ 14⅜ 18¾
0
18⅛
7½
15¾
Front
Bottom
15½
Large ECU
(OPTIONAL)
Part# VA-ECUBBB
0 2 6 10 14 16
0
1½
4½
6⅛
0
3⅜ 4⅞ 11⅞ 13⅜
16¾
0
5¼
13½
15⅝
Front
Bottom
Standard ECU

VIKING TECHNICAL SUPPORT 1.800.908.0884 11
1. HEAT SINK - SECONDARY MODULE
secures the control board and dissipates heat.
2. SECONDARY MODULE POWER HARNESS
CONNECTOR provides power to the Secondary
Module. pg 21
3. FUSE HOLDER - 15 AMP
for the Secondary motor circuit.
4. “FAIL SAFE/SECURE” SECONDARY MODULE
not applicable to this model.
5. M/S COMM CABLE CONNECTION - SECONDARY
MODULE Primary/Secondary (dual) gate
applications. pg 21
6. STATUS LEDs - SECONDARY MODULE
provides diagnostic information.
7. SECONDARY MOTOR CONNECTION
provides power to the Secondary motor. pg 21
8. HEAT SINK - PRIMARY
secures the control board and dissipates heat.
9. FUSE HOLDER - 4 AMP
for the charging circuit.
10. FUSE HOLDER - 15 AMP
for the Primary motor circuit.
11. LIMIT SETUP BUTTONS
available for future developments.
12. LCD DIAGNOSTICS DISPLAY
provides error messages, diagnostics settings
and operator status information. pg 38-40
13. M/S COMM CABLE CONNECTION - PRIMARY
Primary/Secondary (dual) gate applications.
pg 21
14. “DIAGNOSE” LED
informs that errors have been detected and
available on LCD Display. pg 40
15. “DIAGNOSE” Button
allows you to navigate through the
Diagnostics LCD Display. pg 38-40
16. FEATURE ACTIVATION PIN HEADERS
activate features by placing a jumper onto the
pin headers. pg 25
17. “AUX. PWR” Terminal Block
used for solar applications & in-motion
warning devices. pg 19, 25
18. ON-BOARD 3 BUTTON STATION
controls the gate during set up.
19. “Siren” Terminal Block
Vikings UL Siren is connected here. pg 8, 26
20. CONTROL BOARD MOUNTING HOLES
secures and grounds the control board.
21. POWER HARNESS CONNECTOR
provides power to the control board. pg 18
22. PRIMARY or SINGLE MOTOR CONNECTION
provides power to the motor. pg 20
23. “FAIL SAFE/SECURE” Jumper
not applicable to this model.
24. FEATURE ACTIVATION TRIM POTS
activate and set features. pg 24
25. “EPS1” CONNECTOR
available for future developments
26. “EPS2” CONNECTOR
available for future developments
27. “EMI” DATA CONNECTOR
monitors the high voltage power supply.
28. “CHECK MOTOR” Status LED
indicates motor power status. pg 36
29. “BATTERY LOW” Status LED
indicates battery power status. pg 36
30. “POWER” Status LED
control board power status. pg 18, 36
31. “MAGNETIC LOCK Relay” Status LED
status of this on-board relay. pg 34, 36
32. “MAGNETIC LOCK Relay” Terminal Block
connect electric locks here. pg 34, 36
33. INPUT STATUS LEDs
indicates input status. pg 36-37
34. ACCESS CONTROL TERMINAL BLOCKS
accessory connections. pg 28
CONTROL BOARD REFERENCES

VIKING TECHNICAL SUPPORT 1.800.908.0884
12
GATE OPERATOR INSTALLATION
Plans of Installation - Pull to Open Option
This application is typically used to open the gate towards the inside of the
property. The operator will “PULL” the gate to open.
1. The gate must be installed in a location so that enough clearance is provided
between the gate and adjacent structures to reduce the risk of entrapment
when opening and closing.
2. Swing gates are not to open into public access areas.
!Varying from the dimensions provided above may severely affect the speed and
performance of the gate operator.
B C
90°
A
(2⅝)
Closed
Open
B C
120°
A
(2⅝)
Closed
Open
A B *C
2”- 6” 4⅛” - 4½” 24” - 20”
6” - 10” 4⅛” - 4½” 22” - 19”
10” - 11” 4⅛” - 4½” 19” - 18”
**12” - 18” 4⅛” - 4½” **24” - 18”
* For best performance, decrease “C” as you increase “A”
** You must extend both arms equally, up to 6” each
A B *C
2”- 4” 12” 17” - 15”
4” - 6” 12” 15”
* For best performance, decrease “C” as you increase “A”

VIKING TECHNICAL SUPPORT 1.800.908.0884 13
GATE OPERATOR INSTALLATION
Plans of Installation - Push to Open Option
This application is typically used to open the gate towards the outside of the
property. The operator will “PUSH” the gate open.
1. The gate must be installed in a location so that enough clearance is provided
between the gate and adjacent structures to reduce the risk of entrapment
when opening and closing.
2. Swing gates are not to open into public access areas.
!Varying from the dimensions provided above may severely affect the speed and
performance of the gate operator.
A
1½
B
C
90°
Closed
Open
A B C
1½” 6” 23” - 24”

VIKING TECHNICAL SUPPORT 1.800.908.0884
14
GATE OPERATOR INSTALLATION
Mounting the Gate Operator
STEP 2
Arm Pivot Bracket:
a. Position the bracket according to the
dimensions provided on pages 12 or 13.
b. Ensure the bracket is level and secure
in place to a gate frame member.
!TIP: Alternatively, this bracket may be
welded to the gate.
STEP 1
Chassis Installation:
a. Remove the operator from the Mounting Chassis
b. Position or affix the Positive Stop Brackets behind the chassis as illustrated below.
c. Position the Mounting Chassis and Positive Stop Brackets to the gate post according
to pages 12 or 13.
d. Ensure the chassis is level and secure in place.
!TIP: Alternatively, the Positive Stop Brackets and Mounting Chassis may be welded.
STEP 3
Mount the Gate Operator:
a. Remount the operator and connect the
articulated arms.
b. Manually Release the operator. Refer to
page 7. Ensure the gate moves freely
throughout its full range of motion.
2¾
~7⅞
!Caution: If the supplied Arm Pivot Bracket is not attached to a
frame member that runs the full length of the gate, the gate
operator may damage the gate. DO NOT attach the bracket to
just a few pickets.
Left Side Right Side
Use Outer
Bolt Holes

VIKING TECHNICAL SUPPORT 1.800.908.0884 15
GATE OPERATOR INSTALLATION
Limits Setup
STEP 1
Position the Limit Cams:
1. Position the gate to either the open or closed limit position.
2. Rotate the corresponding Limit Cam until the Limit Switch is engaged. The Limit
Switch will “click” when engaged.
!TECHNICAL TIP: The Limit Cam can be rotated by hand with limited resistance and does
not need to be tightened further.
3. Repeat step 1 for the opposite limit position.
4. Complete the electrical installation on the following pages.
5. Run the operator 2 full cycles without interruption to determine if further limit
adjustments are required.
R
E
D
BR
O
W
N
O
RA
N
G
E
Y
E
LL
O
W
CLOSE LIMIT
OPEN LIMIT
Adjust the Bolt to
make firm contact
with the Primary Arm
Tighten the Bolt Nuts
against the Bracket
STEP 2
Adjust the Positive Stop
1. Run the gate to the Closed Limit position
and adjust the Positive Stop Bolt to
securely contact the Primary Arm. Tighten
the securing nuts to the Bracket.
!TECHNICAL TIP: The Positive Stop is
designed to precisely align the gate(s)
closed. You may remove the Positive
Stop that corresponds to the Open Limit
position.
Positive Stop
Closed Position
Limit Switches
Limit Cams

VIKING TECHNICAL SUPPORT 1.800.908.0884
16
(THIS PAGE LEFT BLANK INTENTIONALLY)

VIKING TECHNICAL SUPPORT 1.800.908.0884 17
ECU BOX INSTALLATION
STEP 1
Disconnect the Siren,
Stop Button and EMI
Harness from the Control
Board. Remove the
Control Board Mounting
Plate. The plate is held in
the box by four screws.
STEP 2
Position the ECU Box
in the desired place
and mark the mounting
holes. Prepare the holes
to receive the anchors/
fasteners.
NOTE: Anchors are Not
Supplied.
STEP 3
Position the ECU Box
and secure it to the
mounting surface using
the Sealed Washers
provided (rubber side
of the washers against
the inside of the control
box).
Mounting the ECU Box
! WARNING: If the control box is not mounted properly it may fall, causing damage and/or
injury. The Electronic Control Unit (ECU) weight is approximately 40 lbs. Be sure that the
substrate being mounted to and the fasteners being used are appropriate to support the
weight of the control box.
Mounting Surface
Control Box
Sealed Washer
(Supplied with Unit)
Mounting Fastener
(Customer Supplied)

VIKING TECHNICAL SUPPORT 1.800.908.0884
18
High Voltage Supply Option
!Caution: Always turn off power breakers when working with high voltage. DO NOT
connect the “Power Harness” to the Control Board until the electrical installation is
complete and ready for verification.
ELECTRICAL INSTALLATION
STEP 1
!WARNING: SINGLE PHASE AC ONLY
At the “EMI Board”:
a. Set the “Voltage Selector” according
to the supply voltage (115V or 230V).
b. Connect the incoming power wires
to the terminals as shown in the
illustration.
c. Ground the ECU cabinet according to
local code or guidelines.
d. Turn on the main facility breaker and
verify that all three (3) Status LEDs are
illuminated on the EMI Board.
Tips for proper ground installation:
To minimize the effects caused by lightning, follow
these guidelines:
• Use a ground rod to provide a ground reference.
• Consult your city code and be aware of
underground services in the site of the gate
operator to prevent inconveniences.
• Always use a single bonding point for grounding.
• All ground wires must be as short and as thick as
possible.
• Prevent unnecessary turns or loops in all ground
wires.
STEP 2
At the Control Board:
a. Reinstall the Control Board Mounting
Plate with the control board(s).
b. Connect the Power Harness and verify
the “POWER” LED is illuminated solid.
c. Reconnect the EMI Harness.
d. Reconnect the Stop Button Harness
e. Reconnect the Siren Harness
2b
2c
2d
2e
1
Ground Rod