Maximum Open Direction Current Setting . . . . . . . . . . . . . . . . . . . . 12
Maximum Close Direction Current Setting . . . . . . . . . . . . . . . . . . .12
WARNING
ONLY QUALIFIED TECHNICIANS
SHOULD WORK ON
LINEAR SLIDE GATE
OPERATORS
WARNING
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.
Before unpacking, inspect the carton for exterior damage. If
you fi nd damage, advise the delivery carrier of a potential
claim. Inspect your package carefully. You can check your
accessory box parts with the enclosed packing slip for your
convenience. Claims for shortages will be honored for only
30 days from the date of shipment.
Before installing the operator, read this manual completely to
ensure all requirements for proper installation are present. Verify
that the voltage to be used matches the voltage of the operator.
If you have any questions about the requirements for proper
installation of this gate operator contact technical support at
800-421-1587
Always Check the Gate’s Action
It’s very important before installing the gate operator to
make sure the gate’s slides free and level throughout
the entire opening distance. If the gate does not seem to
operate properly, it may affect the operator performance
or greatly shorten the life of the unit. The gate should
also be designed so that airfl ow is ample to prevent
wind resistance and drag.
Gate Operator Classifi cations
All gate operators can be divided into one of four different
classifi cations, depending on their design and usage. Install
this gate operator only when the operator is appropriate for
the construction and usage class as defi ned below:
• Class I Residential Vehicular Gate Operator
A vehicular gate operator intended for use in a home or for one to
four single family dwellings with a common garage or parking area
associated with these dwellings.
• Class II Commercial / General Access Vehicular Gate Operator
A vehicular gate operator intended for use in a commercial location or
building such as a multi-family housing unit of fi ve or more single family
units, hotel, retail store or other building servicing the general public.
• Class III Industrial / Limited Access Vehicular Gate Operator
A vehicular gate operator intended for use in an industrial location or
building such as a factory or loading dock area or other location not
intended to service the general public.
• Class IV Restricted Access Vehicular Gate Operator
A vehicular gate operator 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.
Approved Obstruction Detection Devices
The following contact or non-contact obstruction detection
devices have been approved for use with this slide gate
operator as part of a UL325 compliant installation:
• Contact Edges
Miller Edge Models MGO20, MGR20, MGS20, ME120
• Photoeyes
MMTC Model IR-55 (165’ range - P/N 2520-441)
MMTC Model E3K (28’ range - P/N 2520-031)
Safety Information and Warnings
THE FOLLOWING FORMATS ARE USED FOR SAFETY NOTES
IN THESE INSTRUCTIONS.
CAUTION
This type of warning note is used to
indicate the possibility of damage to the
gate or gate operator.
WARNING
This type of warning note is used to
indicate possible mechanical hazards that
may cause serious injuries or death.
WARNING
This type of warning note is used to indicate
possible electrical shock hazards that may
cause serious injuries or death.
Regulatory Warnings
Read the following before beginning to install this slide gate
operator:
IMPORTANT INSTALLATION SAFETY INSTRUCTIONS
WARNING
TO REDUCE THE RISK OF SEVERE INJURY OR DEATH
TO PERSONS, REVIEW THESE INSTALLATION SAFETY
STEPS BEFORE PROCEEDING
1. READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS.
2. Read the yellow “Safety Instructions” brochure enclosed with the
packet of information. If any pages are missing or are unreadable,
or you do not have the safety instructions, please call Linear at
1-800-333-1717 to request additional copies.
3. ALL ELECTRICAL CONNECTIONS TO THE POWER SUPPLY MUST
BE MADE BY A LICENSED ELECTRICIAN AND MUST OBSERVE ALL
NATIONAL AND LOCAL ELECTRICAL CODES.
4. A separate power-disconnect switch should be located near the
operator so that primary power can be turned off when necessary.
5. Install the enclosed warning signs on both sides of the gate. A
minimum of two (2) WARNING SIGNS shall be installed, one on each
side of the gate where easily visible.
6. Never reach between, through or around the fence to operate the
gate.
7. Never connect a button station within reach of the gate or on the
side of the gate operator.
8. Do not adjust the operator controller’s current sensing feature too
high. It should be adjusted high enough to keep the gate from falsely
triggering the sensing, but no higher than necessary for the gate to
operate. DO NOT DEFEAT THE PURPOSE OF THIS FUNCTION!
9. You must install all required safety equipment.
10. UL325 Compliance requires the use of contact edges or photoelectric
controls on all automatic or remotely-controlled gate operators.
11. 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
Refer to the following steps for details on power and
accessory wiring for the operator.
WARNING
ALL AC ELECTRICAL CONNECTIONS TO THE POWER SOURCE AND
THE OPERATOR MUST BE MADE BY A LICENSED ELECTRICIAN
AND MUST OBSERVE ALL NATIONAL AND LOCAL ELECTRICAL
CODES.
USE COPPER WIRE ONLY!
AC Power Wiring
1. Find the listing on this page corresponding to the model, voltage and
horsepower rating of your operator.
2. The distance shown in the table is measured in feet from the
operator to the power source. DO NOT EXCEED THE MAXIMUM DISTANCE. These calculations have been based on standard 115 V
and 230 V supplies with a 10% drop allowable. If your supply is under
the standard rating, the runs listed may be longer than what your
application will handle, and you should not run wire too near the
maximum distance for the gauge of wire you are using.
3. When large-gauge wire is used, a separate junction box (not
supplied) may be needed for the operator power connection.
4. Wire length calculations are based on the National Electrical Code,
Article 430 and have been carefully determined based on motor
inrush, brake solenoids, and operator requirements.
5. Connect power in accordance with local codes. The green ground
wire must be properly connected.
6. Wire insulation must be suitable to the application.
7. Electrical outlets are supplied in all 115 VAC models for convenience
with occasional use or low power consumption devices only. If
you choose to run dedicated equipment from these devices, it will
decrease the distance for maximum length and the charts will no
longer be accurate.
DC Control and Accessory Wiring
1. All control devices are now 24 VDC, which can be run up to 2000
feet with 14 AWG wire.
2. Control wiring must be run in a separate conduit from power wiring.
Running them together may cause interference and faulty signals in
some accessories.
3. A three-wire shielded conductor cable is required to connect two
operators together for dual operation. You must use Belden 8760
Twisted Pair Shielded Cable (or equivalent) only – P/N 2500-1982,
per foot). See Page 25 for details of this connection. Note: The shield
The gate operator mounts bolted to posts secured in
concrete footings. The posts support the operator and
prevent it from moving during operation. For optional pad
mounting instructions, see Linear drawing #2700-360.
Gate Preparation
Before installing, make sure the gate rolls or slides freely,
and that all exposed rollers are properly covered. The gate
must be covered with fabric with openings no larger than
2-1/4” in size, to a minimum height of 72” above ground
level. On picket-style gates, if pickets are spaced less than
2-1/4” apart, mesh is optional.
Mounting Specifi cations
Use two 3 - 3-1/2” OD galvanized posts and secure with
concrete footings as shown, length to be determined by
local codes, frost line depth and soil conditions.
Attach the operator with the U-bolts, side plates and
hardware provided. Four 3/16” side plates go on the outside
top and bottom, two 1/2” side plates go on the inside top,
and two 3/16” side plates go on the inside bottom (see the
illustration at right).
To assemble the drive chain and gate brackets, refer to
Page 4. Make sure that the chain sag does not exceed
recommended sizes and that the chain does not come into
contact with the moving parts of the gate or ground.
WARNING
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.
WARNING
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.
✓NOTE: The item numbers shown in these illustrations
are for reference only. For the actual part numbers, refer
to the parts lists in the rear of this manual.
Assemble a gate bracket (1) to the front edge of the gate,
using two U-bolts (2), and mounting hardware (3). Before
tightening down completely, be sure the bracket is parallel
to the gate. Tighten the U-bolt hardware the rest of the way,
then screw the square head bolts (4) into the threaded
holes in the gate plate until they bottom out against the gate.
These will help keep the bracket from twisting on the pipe.
Slide a threaded chain pin (5) through the bracket as shown,
with spring (6), fl at washer (10), and two hex nuts (7). Attach
one end of the drive chain (8) to the chain pin using master
link (9) and begin unrolling the chain toward the operator.
Remove the rain cover from the back of the slide gate
operator. Carefully thread the drive chain under the fi rst
idler, over the drive sprocket, and then under the last idler.
Make sure you feed most of the chain through the idlers and
sprocket before attaching the chain to the back end of the
gate.
Assemble the other gate bracket on the rear edge of the
gate, using the same process as the front gate bracket.
Once this is done, take the other chain pin, spring and jam
nuts and assemble with the end of drive chain and the other
master link.
At this point you should be able to adjust the chain tension
by tightening the jam nuts on each end. Approximately 1/4” to 3/8” of slack per foot of drive chain is acceptable.
Make sure the chain does not drag on the ground, across
the gate rollers or the idler frame of the operator.
Additional mounting holes have been provided in the gate
bracket for installer convenience.
END OF GATE PIPE SHOWN
REFERENCE ONLY
1
2
4
Figure 2. Mounting Gate Bracket to Gate
8
9
5
6
7
10
3
Operator Preparation
Vent Plug Installation
In order to keep gear oil from spilling out during shipping,
gear reducers used in this gate operator has either a solid
plug, or a sealed vent plug, installed at the factory.
For operators with a solid plug, replace the solid plug with
the vent plug provided (see Figure 5).
With the vent plug installed, remove the vent plug’s breather
pin to allow the gear box to vent (see Figure 5).
The Controller is protected by a plastic dust cover (single
phase models only). To remove the dust cover, loosen the
cover’s wing-screw and lift the cover off (see Figure 5).
Manual Disconnect
The manual disconnect shifter lever and the locking lever is
illustrated in Figure 8. They can be found at the center and
to the left inside the operator cabinet. (The handle of each
has been fi nished in easy to spot red fi rm-grip coating.)
To disconnect the unit for manual operation, grasp the
handle of the spring-loaded shifter lever and pull it directly
toward you until the spring-loaded locking lever snaps into
place behind it. This action disengages the pinned shifter
block from the drive mechanism and holds the block in the
disengaged position.
To re-engage the operator, move the locking lever to the
right, releasing the spring-loaded shifter lever to snap back
into the engaged position.
WARNING
ALL AC ELECTRICAL CONNECTIONS TO THE POWER SOURCE AND
THE OPERATOR MUST BE MADE BY A LICENSED ELECTRICIAN AND
MUST OBSERVE ALL NATIONAL AND LOCAL ELECTRICAL CODES
AC Power Connection
All Linear gate operators are supplied with a power
disconnect switch to turn on and off the power available to
the operator (see Figure 6). Following wiring specifi cations
on Page 2, incoming power should be brought into the
operator and connected to the labeled pigtails from the
disconnect box. A wiring connections print can also be
found on the label inside the cover of the operator.
Proper thermal protection is supplied with the operator. The
motor contains a thermal overload protector to guard from
overheating the motor due to overload or high-frequency
operation. This overload protector will reset automatically
after the motor cools down.
LOOSEN KNOB
TO REMOVE
CONTROLLER
COVER
Figure 5. Controller Access
MANUAL DISCONNECT
SHIFTER LEVER
PULL TO DISENGAGE
LOCKING LEVER
PUSH TO RIGHT TO
RE-ENGAGE OPERATOR
TO MANUALLY MOVE THE GATE,
PULL SHIFTER LEVER TO
DISENGAGE THE DRIVE TRAIN
GATE LIMIT SETTINGS WILL
NOT BE AFFECTED WHEN
GATE IS MANUALLY MOVED
Figure 6. Manual Disconnect Lever
PULL
PUSH
Earth Ground
Install a ground rod and connect it to the operator’s frame
in every gate operator installation. A good earth ground
is necessary to allow the Controller’s built-in surge and
lightning protection circuitry to work effectively. The physical
bolting of the operator to the mounting pad is not suffi cient
110 VOLT
OPERATOR
POWER
DISCONNECT
BOX
BLACK
WHITE
GREEN
HOT
NEUTRAL
GROUND
for a good earth ground.
✓NOTE: Do not splice the ground wire. Use a single piece of solid
copper 12 AWG wire between the ground rod and the operator.
1. Install an 8-foot long copper ground rod next to the operator mounting
pad within three feet of the operator.
2. Use a clamp to connect a solid copper 12 AWG ground wire to the
ground rod.
3. Route the ground wire to the operator.
4. Connect the ground wire to the operator’s frame.
The limit nuts are not preset at the factory and must be adjusted
for the gate in each installation. The limit switches are activated
by two threaded nylon rotary limit nuts which are attached to
a threaded limit shaft driven by a chain and sprockets from
the main drive shaft. REMOVE THE CARDBOARD FILLER
BEFORE ADJUSTING THE LIMIT NUTS.
The Controller is factory setup for right hand installations.
The OPEN limit switch is the one closer to the front of the
operator. In left hand installations, the CLOSE limit switch is
the one closer to the front of the operator (see Figure 8).
RIGHT-HAND INSTALLATION
OPEN LIMITCLOSE LIMIT
LIMIT
SHAFT
LIMIT
SWITCHES
LEFT-HAND INSTALLATION
OPEN LIMITCLOSE LIMIT
FRONT OF
OPERATOR
CAUTION
If the operator is installed in a left-hand installation. Set the
Controller to left-hand operation BEFORE running the operator
for the fi ne setting of the limit nuts. Failure to do so will result
in over-shooting the limit switches, and can cause damage to
the operator and/or gate. Refer to programming on Page 11.
Limit Nuts Rough Adjustment
Before running the operator, set the limit nuts as follows:
1. With the gate connected to the gate operator in a mid-travel position,
the power disconnect switch turned OFF, disconnect the operator
by using the manual disconnect lever, once the operator has been
disconnected, manually move the gate by hand to within a foot of
its fully open position (the foot of distance is necessary to allow for
coasting of the operator after the limit switch is tripped).
2. Once the gate is in this position, adjust the OPEN limit nut until it
activates the limit switch for open. Press down the detent plate and
rotate the nut along the threaded shaft (see Figure 9).
3. After setting the open limit, move the gate to one foot from fully
closed and repeat the process for the CLOSE limit nut.
Limit Nuts Fine Adjustment
After fi nishing the rough limit nut adjustments, reposition the
gate to approximately the center of travel.
1. Re-engage the operator using the disconnect handle.
2. Turn the power disconnect switch ON.
3. Stand clear of any moving parts and press the OPEN button.
4. After the gate opens, press the CLOSE button.
5. Observe the gate in both directions as it runs through each complete
cycle. Adjust the open or close limit nuts again if necessary. Fine levels
of adjustment can be made by adjusting a few teeth on the nut at a
time. If the gate stops during travel, you may need to adjust the Open or
Close Current Setting or the Maximum Run Timer (see Pages 12-13).
Torque Limiter Adjustments
Before adjusting the torque limiter, make sure the gate is in
good working condition. One person should be able to move
the gate by hand. Be certain the gate moves freely and
without binding throughout its travel. Torque limiters are set
light at the factory and must be adjusted during installation.
Adjust the torque limiter tight enough to keep it from slipping
during normal operation. See Figure 10.
To adjust the torque limiter in model GSLG-A:
1. Loosen the setscrew in the adjustment nut.
2. To increase the output, turn the adjustment nut clockwise
one fl at, or 1/6 turn, at a time until desired output is obtained.
To reduce the output, turn the adjustment nut counterclockwise one
fl at, or 1/6 turn, at a time until desired output is obtained.
3. Retighten the setscrew in the adjustment nut when fi nished.
Figure 8. Limit Box Assembly
PRESS DETENT
PLATE DOWN
ROTATE
LIMIT NUT
Figure 9. Setting the Limits
MORE
TIGHTEN SET SCREW
DURING TESTING
AND WHEN FINISHED !!!
Figure 10. Torque Limiter Adjustment
LIMIT
NUTS
LESS
LOOSEN SET SCREW ON
THE ADJUSTMENT NUT
ADJUSTMENT NUT
TO INCREASE TORQUE
TURN ADJUSTMENT NUT
CLOCKWISE ONE FLAT
THEN RE-TEST
TO DECREASE TORQUE
TURN ADJUSTMENT NUT
COUNTERCLOCKWISE
ONE FLAT THEN RE-TEST
ACCESSORY POWERPROVIDES 24 VOLT DC POWER FOR ACCESSORIES. (.5A MAX)
RESET BUTTONFACTORY CONNECTED TO THE CONTROLLER’S RESET BUTTON.
COMM LINKFOR 3-WIRE NETWORK CONNECTION TO SECOND OPERATOR IN DUAL GATE INSTALLATIONS.B
SINGLE BUTTON INPUT
FIRE BOX INPUTCONNECT TO NORMALLY OPEN SWITCH IN FIRE BOX FOR FIRE DEPARTMENT ACCESS.
OPEN INPUT
3-BUTTON
STATION INPUT
FACTORY CONNECTED TO 24 VAC FROM TRANSFORMER OR
24 VDC FROM CONTINUOUS DUTY DC SUPPLY.
CONNECT TO NORMALLY OPEN SWITCH FOR SINGLE BUTTON OPERATION. ALTERNATES
BETWEEN OPEN-CLOSE OR OPEN-STOP-CLOSE DEPENDING ON PROGRAMMING.
CONNECT TO NORMALLY OPEN DEVICES (KEYPAD, CARD READER, KEYSWITCH,
TELEPHONE ENTRY SYSTEM) TO OPEN THE GATE. A CONSTANT OPEN INPUT WILL
OVERRIDE THE MID-TRAVEL STOP AND HALT THE AUTO CLOSE TIMER UNTIL RELEASED.
CONNECT TO 3-BUTTON STATION FOR OPEN-CLOSE-STOP CONTROL. A CONSTANT OPEN INPUT
WILL OVERRIDE THE MID-TRAVEL STOP AND HALT THE AUTO CLOSE TIMER UNTIL RELEASED.
COM
O-OBS
C-OBS
COM
COM
REV
OPEN LOOP
OPEN LOOP
REVERSE LOOP
REVERSE LOOP
SHADOW/RESET LOOP
SHADOW/RESET LOOP
+
N.O.
COM
N.C.
+
+
-
CONNECT TO NORMALLY OPEN DEVICES (GATE EDGE, PHOTO BEAM) TO DETECT AN
OBSTRUCTION DURING OPENING. WHILE GATE IS MOVING, ANY OPEN OBSTRUCTION
OPEN
OBSTRUCTION
INPUT
CLOSE
OBSTRUCTION
INPUT
REVERSE
OPEN LOOP
REVERSE LOOP
SHADOW/RESET LOOP
ALARMFACTORY CONNECTED TO THE ALARM BEEPER.
AUX RELAY
24 VOLT SOLAR PANELNOT USED WITH THIS MODEL OPERATOR
24 VOLT BATTERYNOT USED WITH THIS MODEL OPERATOR
SIGNAL WILL CAUSE THE GATE TO STOP, REVERSE A SHORT DISTANCE, AND THEN STOP
AGAIN. AT THIS TIME THE AUTO CLOSE TIMER IS DISABLED, AND A RENEWED INPUT
WILL BE REQUIRED TO START THE GATE AGAIN. SHOULD THE GATE BE RESTARTED
AND THE OBSTACLE SIGNAL OCCUR AGAIN PRIOR TO REACHING A LIMIT, THE GATE
WILL STOP AGAIN, LOCKOUT, AND SOUND THE CONTINUOUS TONE ALARM.
CONNECT TO NORMALLY OPEN DEVICES (GATE EDGE, PHOTO BEAM) TO DETECT AN
OBSTRUCTION DURING CLOSING. WHILE GATE IS MOVING, ANY CLOSE OBSTRUCTION
SIGNAL WILL CAUSE THE GATE TO STOP, THEN REVERSE AND TRAVEL TO THE FULL
OPEN POSITION. SHOULD A OPEN OBSTRUCTION INPUT OR AN OPEN DIRECTION
INHERENT ENTRAPMENT CONDITION OCCUR PRIOR TO THE GATE REACHING THE
OPEN LIMIT, THE OPERATOR WILL LOCKOUT AND SOUND THE CONTINUOUS TONE
ALARM. IF THE AUTO CLOSE TIMER IS SET, WHEN THE CLOSE OBSTRUCTION INPUT
IS CLEARED, THE GATE WILL CLOSE WHEN THE AUTO CLOSE TIMER EXPIRES.
CONNECT TO NORMALLY OPEN DEVICES TO CAUSE A REVERSAL WHEN THE GATE IS
TRAVELING CLOSED. THE GATE WILL REVERSE TO THE FULL OPEN POSITION.
CONNECT TO OPEN LOOP/FREE EXIT LOOP. THE GATE WILL OPEN
WHEN THE LOOP IS TRIGGERED, AND REMAIN OPEN AS LONG AS
THE LOOP IS TRIGGERED. REQUIRES LOOP DETECTOR.
CONNECT TO REVERSE LOOP. TRIGGERING THE LOOP WILL CAUSE A
REVERSAL WHEN THE GATE IS TRAVELING CLOSED. THE GATE WILL REVERSE
TO THE FULL OPEN POSITION. REQUIRES LOOP DETECTOR.
CONNECT TO SHADOW/RESET LOOP TO KEEP THE GATE IN ITS FULLY OPEN
POSITION AS LONG AS THE SIGNAL IS PRESENT. USED TO KEEP GATE OPEN
WHILE VEHICLE IS PASSING THROUGH. REQUIRES LOOP DETECTOR.
FOR CONNECTION TO AUXILIARY DEVICES (MAGNETIC LOCK, SOLENOID LOCK,
STROBE LIGHT) FOR ACTIVATION (OR DEACTIVATION) DURING GATE OPERATION.