Allstar Products Group Safety Gate ANSI UL 325 User Manual

INSTALLATION AND  
OWNER’S MANUAL  
GATE STAR 4000  
Model GS4000 - Heavy Duty Commercial  
Vehicular Swing Gate Operator  
104950  
Serial #:  
Date Installed:  
Your Dealer:  
READ THIS MANUAL  
CAREFULLY BEFORE  
New - Allstar’s  
CGA2K™  
TECHNOLOGY!  
Meets all March 1, 2000  
UL325 requirements.  
INSTALLATION OR USE  
SAVE THESE INSTRUCTIONS  
As of date of manufacture,  
meets all ANSI/UL 325  
Safety Requirements for  
Vehicular gate operators  
1
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PRE-INSTALLATION NOTES  
The Allstar Gate Star 4000 (GS4000) Vehicular Gate Operator will  
provide convenience and assurance to the ultimate users for many  
years. It is ruggedly built of the finest materials and has been  
thoroughly inspected and tested at the Allstar factory. It has many  
features that will aid in the installation and testing of the complete gate  
system. The GS4000 is certified to comply with UL Standard for  
Safety 325, as revised March 1, 2000. (115 Volt version only.)  
The GS4000 is also provided with a Torque Limiter that may be  
adjusted to "slip" when an obstruction is encountered. However, the  
purpose of the Torque Limiter is to protect the GS4000 mechanical  
parts. Whether the overload is activated before the Torque Limiter slips  
will depend upon the "tightness" of the adjustment of the Torque  
Limiter. This adjustment will be explained in the final check out of the  
GS4000.  
Connections for External Entrapment Prevention Sensors  
NOTICE - BEFORE ATTEMPTING INSTALLATION,  
READ THIS MANUAL CAREFULLY SO YOU WILL  
BE THOROUGHLY FAMILIAR WITH THE  
FEATURES OF THE GS4000 AND ITS PROPER  
INSTALLATION PROCEDURES.  
Because all gate system installations are different, the GS4000 control  
panel provides independent connections for Open and Close non-  
contact (photoelectric) and contact (edge) sensors. In this way a  
photoelectric sensor could be utilized to guard the gate area when  
closing and an edge sensor would provide the protection when opening.  
Depending on the particular application a combination contact and non-  
contact sensor protection system for the open and close directions may  
provide more effective entrapment protection than a single device for  
both directions. See pages 4, 5, 13, 18, 24, and 25.  
The GS4000 Vehicular Swing Gate Operator is designated a Class I  
Residential Vehicular Swing Gate Operator, and is intended to operate  
a vehicular swing gate installed on a residential home, maximum of  
four single families in the dwelling, or a garage or parking area  
associated with that home. The GS4000 vehicular gate operator is also  
designated Class II (Commercial location or multi-family home); III  
(industrial location not intended to service the general public); and IV  
(secure or restricted access locations, ie. airports and prisons). The  
GS4000 may be used in any Class location.  
NOTICE - THE IMPORTANT SAFEGUARDS AND  
INSTRUCTIONS IN THIS MANUAL  
CANNOT  
COVER ALL POSSIBLE CONDITIONS AND  
SITUATIONS WHICH MAY OCCUR DURING ITS USE. IT  
MUST BE UNDERSTOOD THAT COMMON SENSE AND  
CAUTION MUST BE EXERCISED BY THE PERSON(S)  
INSTALLING, MAINTAINING AND OPERATING THE  
EQUIPMENT DESCRIBED HEREIN. DO NOT USE THIS  
EQUIPMENT FOR ANY OTHER THAN ITS INTENDED  
PURPOSE — OPERATING A SWING GATE.  
Because the Allstar GS4000 (as well as gate operators sold by other  
manufactures) is designed to start and move gates weighing as much as  
1000 pounds,---the Allstar GS4000 is capable of producing high levels  
of force. It is important in the design of the total gate system that  
designers, installers and users be aware of the hazards that may be  
associated with the IMPROPER design, installation and use of  
Vehicular Gate systems and Gate Operators.  
Audio Alarm and AlarmAble™ Open/Close Push Button Enable-  
on-Alarm Only (Patent No. 6,611,205)  
The gate operator is only one part of a complete automatic gate  
operating system. As each location and usage is different, a properly  
designed system will include all applicable safety devices.  
The GS4000 has an audio alarm that sounds when a second occurrence  
of the built-in overload activation is registered before an end limit  
(open or close) is reached. The alarm continues to sound warning until  
a fixed wire input is activated or five (5) minutes pass. As with the  
built-in overload detector, Diligent maintenance of the gate hinges and  
hardware will avoid nuisance operation of the overload detector and  
thereby avoid nuisance operation of the audio alarm. Allstar’s patented  
AlarmAble™ Open/Close Push Button Enable-on-Alarm Only feature  
can be set to provide a secure control station that will be functional in  
an emergency situation. See pages 18, 19, 24, and 25.  
The GS4000 CGA2K™ Technology provides several features that  
can help reduce the hazards of your gate system.  
Built-In Overload Detector Sensing System  
The Allstar GS4000 has a built-in "overload detector" that can help  
reduce the hazards of your gate system. This device, however, must not  
be considered as the primary defense system. Consider all available  
options (electric leading edges, photoelectric sensors, protective screen  
mesh, etc) to eliminate hazards in your gate system design.  
SMART™ Self Adjusting MAximum Run Timer  
The GS4000 has a Self adjusting MAximum Run Timer, SMART™.  
The amount of time for the first few cycles of operation are registered  
and averaged within the motor controller circuitry. After the first few  
initial cycles, if the gate is activated and no other command is given or  
an end limit (open or close) is not reached in the previously counted  
cycle time plus approximately 4 seconds, the operator will be turned  
off. See page 22.  
The Allstar GS4000 built-in overload detector will activate if there is an  
abrupt increase in motor current above that normally required to move  
the gate. The overload detection point is an adjustable setting that must  
be determined at the time of installation. This setting must be tested  
periodically to ensure proper operation. Diligent maintenance of the  
gate hinges and hardware will assure the most responsive operation of  
the overload detector. See pages 17 & 23.  
OTHER FEATURES  
Auto Close Timer: Adjustable from 2 to 60 seconds, provides an  
automatic closure of the gate from the full open position. See page 19.  
ADVISE THE PURCHASER TO CHECK THE SENSITIVITY OF  
THE OVERLOAD PERIODICALLY AND, AFTER REMOVING  
THE CONTROL BOX COVER, LOG THE DATE TESTED ON THE  
LOG LOCATED ON PAGE TWO OF THIS MANUAL (See Figure 1,  
pg. 2.)  
Timer Re-close On/Off Switch: Enables an automatic closure of the  
gate from a partially closed position if the close movement was  
initiated by the Auto Close Timer and the close cycle was interrupted  
by a non-contact (photoelectric) sensor input. See page 20.  
Diagnostic LEDs on the Motor Controller Board: Provides a visual  
indication of the status of the gate system operation. See page 20.  
3
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A: GATE SYSTEM DESIGN/ INSTALLATION  
TO REDUCE THE RISK OF SEVERE  
INJURY OR DEATH: READ AND FOLLOW  
ALL INSTALLATION INSTRUCTIONS AND  
GATE SYSTEM DESIGN PARAMETERS!  
WARNING!  
104949  
GATE SYSTEM DESIGN AND INSTALLATION  
SAFETY CHECK LIST:  
The GS4000 operator may be installed on a Class I, II, III, or IV  
Vehicular Swing Gate. See page 3 for an explanation of the  
different Class locations. See the last page of this manual for the  
operator specifications (voltage, maximum gate weight & length  
etc.).  
Make sure that the gate moves freely, all hinges are in good  
working order, the gate does not bind in any manner and the gate  
swing area is clean and free of irregularities. DO NOT  
INSTALL THE OPERATOR UNTIL ALL GATE PROBLEMS  
HAVE BEEN CORRECTED.  
Do not increase the built-in overload detector adjustment or  
overtighten the torque limiter to compensate for a poorly  
working gate. A well maintained gate will ensure easy manual  
operation (if needed) and maximum operator obstruction  
sensitivity.  
Figure 2  
For ORNAMENTAL “GRILL TYPE” GATES (or any other  
type of open gate where a handhold or toehold may be achieved),  
injuries may occur when people put arms through the openings or  
children “ride” the gate by standing on the bars and holding on to  
the gate. THIS POTENTIAL HAZARD CAN BE MINIMIZED  
BY INSTALLING A MESH SCREEN ON THE GATE. Allstar  
strongly recommends the entire gate and adjacent fence area the  
gate covers when open be meshed or guarded such that a  
handhold or toehold cannot be achieved. See Figure 2.  
Install the operator on the inside of the property/fence line. DO  
NOT install an operator on the public side of the fence line or  
gate. Outward swinging gates should not open into public areas.  
The gate must be installed in a location so that enough clearance  
is supplied between the gate and any adjacent structures when  
opening and closing to reduce the risk of entrapment.  
All Allstar gate operators are VEHICULAR GATE  
OPERATORS and as such are NOT RECOMMENDED FOR  
PEDESTRIAN traffic. In installations where pedestrians are  
likely to be nearby, install a pedestrian gate and use leading  
edge detectors and/or photocells in your design to protect system  
entrapment zones. Allstar can provide these products for  
incorporation in your design.  
Make sure the gate operating system is placed far enough back  
from the road to eliminate traffic backup. The distance from the  
road, size of the gate, usage level and gate cycle/speed must be  
taken into consideration to eliminate potential hazards.  
104932  
Use the illustration at left (Figure 3) to minimize the risk of  
injury in your design of the swing gate operator system.  
IDENTIFY THE ENTRAPMENT ZONES AND PINCH  
POINT AREAS IN YOUR GATE. Design the gate installation  
to minimize the risk of entrapment in these areas. Install  
additional safety equipment such as four wire edges and  
photocells to further minimize risk. All entrapment zones are  
required to be protected.  
PINCH POINTS  
Entrapment Zones: Design in personal entrapment protection  
devices to protect people from entrapment in the zones shown in  
Figure 3 at left.  
Pinch Points: Use protective measures (guards, padded edges,  
etc.) to protect people from the pinch points shown in Figure 3 at  
left.  
ENTRAPMENT  
ZONE  
SWING GATES HAVE THE POTENTIAL HAZARD OF  
HANDS AND FINGERS BEING PINCHED between the gate  
edge and the post to which the gate is mounted. It is  
recommended that the hinges be mounted so that this opening  
ELECTRIC GATE EDGE  
ENTRAPMENT  
ZONE  
Figure 3  
4
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A: GATE SYSTEM DESIGN INSTALLATION  
increases as the gate swings open. PROTECT THIS "PINCH  
POINT" SO THIS HAZARD IS AVERTED. See Figure 3.  
CONSIDER ALL OTHER "PINCH POINTS" IN YOUR  
DESIGN of the gate system. Observe the arm as it opens and the  
two arm pieces swing past each other. Use protective measures to  
reduce hazards at this location. Restrict access to the arm motion.  
See Figure 3.  
MOVING GATE  
CAN CAUSE  
SERIOUS  
INJURY OR  
DEATH  
DO NOT consider the built-in overload detector as the primary  
defense system. Consider all options in the gate system design.  
KEEP CLEAR !  
DO NOT connect any auxiliary equipment to the GS4000  
(detectors, card readers, etc.) until the gate operator and all its  
functions are fully tested. Only connect one device at a time and  
ensure its proper function(s) before moving on to the next device.  
Gate May Move at Any Time.  
Do not allow children to play  
in gate area or operate gate.  
Operate gate only when gate  
area is in sight and free of  
people and obstructions.  
104880  
DO NOT locate any control device (key switch, switch, key pad,  
card reader, etc.) in a position where it may be activated by a  
person reaching through the gate or while touching the gate in any  
manner. Locate all control devices a minimum of 10 feet from the  
gate when opened or closed.  
Figure 4  
Outdoor or easily accessible controls must be of the security type  
to prevent unauthorized use of the system.  
Install all devices that will open or close the gate in such a manner  
that THE GATE WILL BE IN FULL VIEW WHEN THE  
DEVICE IS OPERATED.  
AS THE INSTALLER YOU ARE RESPONSIBLE FOR:  
1
2
3
ASSURING THAT THE OWNER/END USER OF THE  
SYSTEM UNDERSTANDS ITS BASIC OPERATION AND  
SAFETY FEATURES. IN PARTICULAR, BE SURE THE  
OWNER/END USER UNDERSTANDS THE LOCATION  
Before activating the "timer to close" option of the GS4000,  
ENSURE THE PERSONAL ENTRAPMENT PROTECTION  
DEVICES (operator reversing feature, edges, photocells) ARE  
OPERATING and install VEHICLE DETECTOR LOOPS AND  
VEHICLE DETECTORS for protection of user vehicles. Read the  
manual for information on the installation of these devices. IF  
VEHICLE DETECTOR LOOPS HAVE BEEN INSTALLED TO  
PREVENT THE GATE FROM CLOSING ON A VEHICLE,  
INSTRUCT THE USER TO PERIODICALLY CHECK THE  
OPERATION OF THE DETECTORS.  
AND OPERATION OF  
A
MANUAL DISCONNECT  
(WHERE PROVIDED) OR HOW TO OPERATE THE  
GATE M  
YOU ALSO HAVE THE PRIMARY RESPONSIBILITY  
OF INSURING THAT ALL POSSIBLE OPERATIONAL  
HAZARDS HAVE BEEN CONSIDERED AND  
ELIMINATED. YOU MUST ADVISE AND WARN THE  
PURCHASER AND THE ULTIMATE USER OF ANY  
HAZARDS THAT YOU HAVE NOT BEEN ABLE TO  
ELIMINATE.  
POINTING OUT TO THE OWNER/END USER OF THE  
GATE SYSTEM THAT CHILDREN OR PETS ARE NOT  
ALLOWED TO PLAY ON OR NEAR THE GATE, FENCE  
OR ANY PART OF THE SYSTEM, AND THAT THE  
SAFETY INSTRUCTIONS SUPPLIED WITH THIS  
OPERATOR AND THEIR IMPLEMENTATION ARE  
THE RESPONSIBILITY OF THE OWNER/END USER.  
USE EXTREME CAUTION WHEN WORKING NEAR THE  
BELTS AND PULLEYS when the operator cover is removed.  
Apply power to the operator only when instructed to do so.  
When the GS4000 Control Box cover is removed, high voltage  
will be exposed. EVEN IF THE RED POWER LIGHT IS NOT  
LIGHTED, HIGH VOLTAGE AC MAY STILL BE PRESENT  
ON TERMINALS L1 AND L2.  
NEVER LEAVE THE  
INSTALLATION WITH THE CONTROL BOX COVER  
REMOVED.  
4
5
LEAVING THE INSTALLATION AND MAINTENANCE  
MANUAL FOR THIS OPERATOR AS WELL AS ANY  
ADDITIONAL SAFETY INFORMATION SUPPLIED  
WITH THIS OPERATOR OR OTHER COMPONENTS OF  
THE GATE SYSTEM WITH THE OWNER/END USER.  
ALWAYS TURN OFF THE POWER BEFORE ATTEMPTING  
SERVICE OF EITHER THE ELECTRICAL OR MECHANICAL  
SYSTEMS.  
SECURELY ATTACH THE WARNING SIGNS provided with  
the GS4000 on the gate (one on the outside and one on the inside)  
where they can be seen by persons in the area of the gate to alert  
them of automatic gate operation. (If the user refuses to have the  
warning signs installed, Allstar recommends that you note this on  
your records and have the user sign a disclaimer.) See Figure 4.  
NOT PLACING IN SERVICE THIS OPERATOR IF YOU  
HAVE ANY QUESTIONS ABOUT THE SAFETY OF THE  
GATE OPERATING SYSTEM. CONSULT THE  
OPERATOR MANUFACTURER.  
5
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B: PREPARING THE SITE  
pay particular attention to the bolt pattern and the location of the  
mounting holes with respect to the center line of the gate post. It is  
critical for the proper operation of the Arm that the center line of the  
shaft of the GS4000 MECHANICAL UNIT be located exactly as  
shown on the bolt pattern drawing, Figure 6.  
THE CONCRETE PAD  
The standard GS4000 is designed to operate a single leaf gate. The  
control box and mechanical units are separate devices. It is necessary  
to find a suitable location to mount the control box, i.e., post or wall.  
Separate low voltage and high voltage conduits will be run between the  
control box and mechanical unit. (See Figure 8.)  
To properly install a bi-parting gate system, it is necessary to add one  
additional mechanical unit to the design. The control box will operate  
two mechanical units. It is necessary to run an additional low voltage  
and high voltage conduit between the two mechanical units. (See  
Figure 8.)  
104947  
Figure 6: Operator Footprint  
PLACING THE VEHICLE DETECTOR LOOPS  
If Vehicle Detectors are to be used with the GS4000, the "Loops" to be  
buried in the drive should be installed during the site preparation phase  
of the installation. Proper placement of the Vehicle Detector wire loops  
is critical if the loops are to provide satisfactory, extended service.  
THE MOST IMPORTANT CONSIDERATIONS ARE: 1) PROPER  
WIRE TYPE AND, 2) GOOD, TIGHT CONNECTIONS FROM THE  
104951  
LOOP TO THE LOOP TERMINATING CONNECTOR.  
The  
Figure 5: Pad Configuration  
termination of the loop wires will be at the Vehicle Detector itself,  
not on the GS4000 terminal board. Observe the wiring diagram  
supplied with the Vehicle Detector Manufacturer. The Vehicle  
Detector may be mounted in the GS4000 MECHANICAL UNIT. The  
AC power delivered to the MECHANICAL UNIT by the GS4000  
The Installation of the GS4000 MECHANICAL UNIT will require a  
suitable concrete pad as a mounting base. The dimensions of the  
concrete pad should be sufficient to allow at least 3" of clearance from  
each edge of the pad to the nearest operator mounting hole. The top of  
the pad should be at least 3" above grade to raise the operator above  
any standing water. The depth of the pad below grade is dependent on  
the weight and size of the gate and the soil conditions at the site of the  
installation. ALWAYS FOLLOW LOCAL BUILDING CODES.  
Control Box will NOT be satisfactory for the Vehicle Detector.  
A
separate A/C service must be provided for the Vehicle Detector.  
Two different types of Loop Installations will usually be encountered  
when placing the loops in the drive: 1) If the driveway material is  
already in place. saw cuts will be needed in which to place the loop  
wire. 2) For loops where the paving material will be installed after the  
loop is positioned, it is necessary that the loops be placed in Schedule  
40 PVC pipe to maintain uniform loop spacing with respect to the  
surface of the pavement. The loop should be placed 1.5" below the  
surface of the pavement and at least 2" above any reinforcing steel.  
The lead-in wires need not be in PVC, but must have a least six (6)  
twists per running foot.  
If no suitable concrete base exists, a pad must be poured. See Figure 6  
for plans for this pad. If the location of the operator is such that  
vehicles have the potential of hitting the operator, consideration should  
be given to installation of protective posts in front of the operator.  
If a suitable concrete base already exists for mounting the operator it  
will be necessary only to drill mounting holes for the GS4000  
MECHANICAL UNIT. 3/4" mounting holes are located on the front  
and rear of the MECHANICAL UNIT. The bolt pattern is shown in  
Figure 6. The mounting bolts should be 1/2" diameter or larger. "Red  
head" or wedge anchor concrete bolts are usually satisfactory.  
THE LOOP WIRES MUST BE CONTINUOUS. NO SPLICES OR  
CONNECTIONS IN THE LOOP ARE TO BE PERMITTED BELOW  
GROUND.  
THE ONLY CONNECTION WILL BE AT THE  
TERMINATION OF THE WIRE AT THE VEHICLE DETECTOR.  
If mounting anchor bolts are to be installed prior to pouring the pad,  
6
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B: PREPARING THE SITE  
104945  
Figure 7: Loop Diagrams  
Above ground splices may be used providing the wire is twisted,  
soldered and moisture sealed. For best long term results, do not use  
wire nuts anywhere in the loop system. Connect to the Vehicle  
Detector harness by soldering.  
VEHICLE DETECTOR LOOP BLANKING FOR  
SWING GATES  
The inside loop for a swing gate installation must be located at least  
4 feet outside of the arc of the gate. If it is not, the Vehicle Detector  
may detect the gate as it moves over the loop and cause the Gate to  
reopen. If the gate is large and a single leaf, the arc usually requires  
that the loop be a considerable distance from the closed gate position.  
This may not be an effective position for the loop. In this case, a  
“blanking” or “shadow” loop may be used.  
When a Shadow Loop is necessary, connect the output of the loop  
detector to terminal #9 “Shadow Loop” and terminal #16  
“Common”. The GS4000 circuitry will recognize a vehicle on the  
loop and prevent the gate from closing while the vehicle is over the  
Shadow Loop. When the gate is closing or opening, the GS4000  
circuitry will ignore input from this loop as the gate swings over it.  
For saw-cut installations, observe the methods recommended in  
Figure 7, above. The saw-cut must be to a depth of 1.5", clean and  
with no sharp corners. After placing the wires, it is essential that the  
wires be held tightly in place by a foam backing prior to pouring the  
sealant. THIS IS ESPECIALLY IMPORTANT WHEN FREEZING  
IS LIKELY. No voids should exist that will permit the collection of  
water that might freeze and push the loop wires out of the slot. The  
sealant used should not be hard setting and should be suitable for  
pavement material.  
THE WIRE USED FOR THE LOOPS MUST BE HEAT AND  
WATER RESISTANT, CROSS-LINK POLYETHYLENE  
INSULATED. TYPE XLPE IS BEST. RHW IS O.K. DO NOT  
USE ANY PVC INSULATED WIRE. (PVC insulation will absorb  
moisture that may affect Detector operation.) WIRE SIZE SHOULD  
BE #16 GA. STRANDED OR LARGER.  
7
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B: PREPARING THE SITE  
ELECTRICAL POWER REQUIREMENTS  
OTHER VOLTAGES AND 3 PHASE SYSTEMS.  
The GS4000 can be ordered for 115 Volts AC (VAC) or 230 VAC  
operation. The AWG wire size for the electrical service depends on  
the distance of the operator from the breaker panel. Refer to Table 1  
to determine the correct wire size.  
The GS4000 can operate at other voltages or on three (3) phase  
systems. To operate at 440 VAC it will be necessary to install an  
external step down transformer. The transformer should be located  
in a separate electrical box and protected by suitable circuit breaker  
and/or fusing. A 440 Volt rated switch should also be installed.  
Follow local electrical codes or the National Electrical Code. The  
transformer selected should be UL LISTED and be rated for a  
minimum 700 Volt-Amperes (Watts).  
The DISTANCE column is the ideal distance from the breaker panel  
AC POWER SOURCE  
110112  
TYPICAL CONNECTIONS  
HIGH VOLTAGE TERMINALS  
SINGLE GATE  
WIRE  
DOUBLE GATE  
WIRE  
IF TWO MECHANICAL UNITS ARE TO BE USED FOR A BI-  
PARTING GATE SYSTEM, THEN A 1000 VOLT-AMPERE/  
WATT TRANSFORMER MUST BE USED.  
SIZE  
DISTANCE  
SIZE  
DISTANCE  
GND  
L2  
L1  
100 FT  
150 FT  
250 FT  
400 FT  
600 FT  
50 FT  
75 FT  
125 FT  
200 FT  
300 FT  
#14  
#12  
#10  
#8  
#14  
#12  
#10  
#8  
Operating from a three (3) phase line will require the use of a 230  
VAC rated GS4000. The GS4000 may be operated from a 230 Volt  
"Delta" line or a 120/208 "Y" line. In either case, ONLY one "leg"  
of the three phase line will be used. The unbalance of the line will be  
minimal since the full rate current of the GS4000 at 220 VAC is only  
2.2 amperes. (4.4 Amperes for a bi-parting system.) Connect any  
two wires of the three phase system to the 230 VAC GS4000 Tape  
the third wire carefully so that it does not short to any other object.  
(The "Y" system will have 4 wires, one of which will be the  
"common". Make sure the common is NOT selected as one of the  
wires connected to the GS4000.) It is always best to also pull a  
ground wire from the electrical service box to the GS4000 to ensure  
the frame is securely affixed to GROUND.  
#6  
#6  
NOTE: DISTANCE IS TOTAL LENGTH OF  
WIRE FROM CIRCUIT BREAKER IN THE  
MAIN PANEL TO THE GATE OPERATOR.  
120 VAC, 15A  
Dedicated Circuit  
Table 1  
to the operator for a given wire size and voltage.  
NOTE! FOR A BI-PARTING INSTALLATION, THERE  
WILL BE TWO MECHANICAL UNITS OPERATING AT  
THE SAME TIME. IT WILL BE NECESSARY TO REDUCE  
THE LENGTHS IN TABLE 1 BY A FACTOR OF TWO.  
SERVICE CONDUIT  
Class 2 low voltage wiring from external controls such as a key pad,  
card reader, telephone entry device, etc. must be brought to the  
GS4000 CONTROL BOX by a separate conduit from the 115 VAC  
electrical hook up conduit. Low voltage control wires MUST  
NEVER be routed in the same conduit as the HIGH VOLTAGE  
power wires.  
For new installations the conduit for the High Voltage may be  
brought to a junction box near where the GS4000 CONTROL BOX  
will be located or it may be brought directly to the Control Box.  
Note! The limit switch wires from the GS4000 CONTROL  
BOX to the GS4000 MECHANICAL UNIT ARE LOW  
VOLTAGE WIRES AND MUST BE ROUTED IN A LOW  
VOLTAGE CONDUIT TO THE CONTROL BOX.  
104952  
WARNING!  
AVOID ELECTROCUTION:  
DO NOT ROUTE LOW VOLTAGE WIRES IN SAME  
CONDUIT AS HIGH VOLTAGE WIRES. FOLLOW  
ALL LOCAL ELECTRICAL CODES OR THE  
NATIONAL ELECTRICAL CODE.  
Figure 8: Service Conduits  
8
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C: INSTALLING THE OPERATOR  
TOOLS REQUIRED  
The following tools and materials are required for a proper installation of the GS4000.  
1. Wire cutter, stripper and crimping tools. (For attaching accessory equipment to the control  
box barrier strip.)  
2. A #2 Phillips Head screw driver for removing the screws to the High Voltage cover.  
3. Medium standard straight blade screw driver for the terminal strip screws.  
4. Very small blade screwdriver. (For adjusting the potentiometer on the Logic and Power board.)  
5. Electric arc welder or an electric drill with a 3/8" bit. (For attaching Arm Bracket to the Gate.)  
6. Several feet of #18 or #22 gauge insulated multistrand wire. (For connecting accessory  
equipment to the control box terminal strip, and for limit switch control wires.)  
7. Four 1/2" diameter concrete "redhead" bolts with hex nuts, flat washers and lock washers.  
(For attaching the GS4000 to the concrete pad.) (Not Included)  
8. Concrete drill and bit. (To drill mounting holes for concrete bolts.)  
9. Multimeter. (To test line voltage and other measurements as necessary.)  
10. Small level. (To level GS4000 at installation.)  
11. Torque Wrench and 1-5/8” Socket  
UNPACKING  
CHECKLIST  
The GS4000 as shipped consists of the components listed below.  
Mechanical Unit  
Swing Arm Kit  
Swing Arm  
Crank Arm  
Electrical Unit  
Crank Arm Extension  
Swing Gate Fittings  
Swing Arm Bracket  
Swing Arm Padlock with keys  
Hardware Package  
Wood Pallet with 4 lag bolts  
Instruction Kit  
Instruction Manual  
Warning signs  
9
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C: INSTALLING THE OPERATOR  
HARDWARE  
LEGEND  
(1 EA) 1/2-13 X 2”  
BOLT & 1/2 FLAT  
WASHER  
1
2
104961  
(2 EA) 1/2-13  
NYLOCK NUT &  
1/2” FLATWASHER  
(2 EA) 5/16-18 X  
5/8L SQ HEAD SET  
SCREWS  
3
4
(1 EA) 1/2-13 X 2-  
3/4” BOLT & 1/2  
FLAT WASHER  
(2 EA) 1/4 -20 X 1-1/2” BOLT & 1/4  
FLAT WASHER  
5
6
(2 EA) 1/4-20 HEX NUT, INT TOOTH LOCK  
WASHER, 1/4 FLAT WASHER  
Figure 9: Arm Positions  
** HARDWARE NOT TO SCALE **  
TO REVIEW: Make sure the correct position of the GS4000  
MECHANICAL UNIT from the center line of the gate hinge pivot  
point to the center line of the GS4000 is in accordance with the drawing  
of Figure 6.  
PLACING THE GS4000 MECHANICAL UNIT  
Remove the rain seal from the shaft of the GS4000. SAVE IT! The  
rain seal will be used later. Next, remove the cover from the GS4000  
MECHANICAL UNIT by removing the 1/4 inch diameter bolts on each  
side of the Unit and set it aside. It is one of the last items that will be  
replaced at the completion of the installation.  
INSTALLING THE GS4000 ARM  
Temporarily locate the Gate Bracket on the Gate with C-clamps or  
by tack welding. Install the gate bracket to the gate so the gate  
arm will be level when connected to the GS4000. See Figure 9 for  
positioning of the Gate Bracket.  
The recommended procedure for attaching the GS4000  
MECHANICAL UNIT to the concrete pad (for those installations  
where the anchor bolts were not previously installed) is first to locate  
and drill the hole for the mounting hole nearest to the gate post. Locate  
this hole by referring to the diagram in Figure 6. After placing a bolt in  
the hole, mark and drill the remaining three holes. This can be  
accomplished with the operator in place.  
Loosen the adjustment nut of the Torque Limiter located on the top  
of the Gear Box on the GS4000 MECHANICAL UNIT with the 1-  
5/8 hex socket. This is done by removing the small set screw on  
the large nut and loosening the nut.  
Before inserting the concrete bolts, make sure the GS4000  
MECHANICAL UNIT is level. If any corners of the GS4000 are  
resting above the pad, flat washers may be inserted under the  
MECHANICAL UNIT. Place the flat washers, lock washers and nuts  
on the concrete bolts and tighten securely.  
For the installation shown in Figure 9, attach the Crank Arm  
Extension to the Crank Arm with the (2) 1/4-20 x 1-1/2” long bolts  
provided. The overall length of the cranking arm is now 33 5/8”  
from the center of the Output Shaft to the center of the pivot at the  
“elbow.” Note that the cranking arm is adjustable to (5) possible  
settings: 32-1/8”, 30-5/8”, 29-1/8”, 27-5/8” and 26-1/8” long.  
For previously placed anchor bolts, the procedure is the same except  
that the bolts will already be in place. If 1/2" diameter anchor bolts  
were set, the 3/4" mounting holes on the GS4000 MECHANICAL  
UNIT will allow some adjustment for desired alignment. Washers can  
be used under the GS4000 MECHANICAL UNIT to accurately level  
the unit as above.  
Install the Crank Arm and Extension on the GS4000 main shaft and  
make sure the Crank Arm swings freely from side to side. Connect  
the Gate Arm to the Crank Arm Extension and the Gate Bracket.  
With the Gate in the closed position, the "elbow" will be up against  
the closed position stop on the Crank Arm Extension. The Gate  
should be in the properly closed position. (See Figure 9.)  
106318  
DRIVE  
Loosen the Stop Pall on the large output drive sprocket located on  
the output shaft on the GS4000 MECHANICAL UNIT. (See Figure  
10.) Move the Gate to the fully open, 90 degree position. The  
Arm extension should fold back over the arm as shown in Figure 9.  
If it doesn't, some adjustment of the gate bracket or operator  
position may be necessary. With the gate in the fully open  
position, adjust the stop pall on the sprocket against the stop on the  
GS4000 frame and tighten the set screw. Open and close the gate  
several times until you are satisfied that the arm position is correct.  
Finish welding or bolting the Gate Bracket to the Gate and remove  
the C-clamps.  
SPROCKET  
STOP PALL  
STOP  
Figure 10: Stop Pall  
10  
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C: INSTALLING THE OPERATOR  
ELECTRICAL HOOK UP  
The GS4000 electrical connection is made at the Input Volts  
terminals in the CONTROL BOX, see Figure 11. You will need to  
drill holes as required on the bottom of the CONTROL BOX to  
permit conduit entry. Run a flexible water tight conduit from the  
service junction box to the GS4000 CONTROL BOX. Pull three #14  
wires from the service junction box in this conduit to the GS4000  
Control Box. If the GS4000 is wired for 115 Volts, pull a black,  
white and green wire. If the GS4000 is wired for 230 Volts, pull a  
black, red and green wire.  
WARNING!  
RISK OF ENTRAPMENT.  
TO MINIMIZE POTENTIAL FOR GATE CONTROLS  
TO BE ACTIVATED WHILE ALREADY IN USE,  
LOCATE THE GS4000 CONTROL BOX IN FULL  
VIEW OF THE GATE.  
INSTALLING THE GS4000 CONTROL BOX  
The GS4000 CONTROL BOX may be mounted remotely from  
the MECHANICAL UNIT. Two mounting holes are provided  
on each flange of the CONTROL BOX (four total). These  
should be used to mount the CONTROL BOX to a solid, flat  
surface. The CONTROL BOX should be located so that the  
Gate and the MECHANICAL UNIT/UNITS ARE IN FULL  
VIEW FROM THE CONTROL BOX.  
WARNING!  
TO AVOID ELECTRICAL DAMAGE TO OPERATOR  
DO NOT ALLOW TOTAL WIRE LENGTH FROM  
THE CONTROL BOX TO AC POWER SERVICE  
PANEL PLUS THE DISTANCE FROM THE  
CONTROL BOX TO THE MECHANICAL UNIT TO  
EXCEED WIRE LENGTH GIVEN IN TABLE 1 FOR  
110104  
Figure 11: Schematic  
& Wiring Diagram  
11  
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C: INSTALLING THE OPERATOR  
lines. Effective protection requires that the surge current from the  
lightning strike be shunted to ground. This must be done without  
raising the potential of the circuitry in the GS4000, with respect to  
ground, to the levels that will damage the solid state circuitry.  
Lightning strikes generate enormous currents for very short periods  
of time. Unfortunately, the period of time is long enough to damage  
solid state components and many times, other components. The key  
to success is a very low resistance path from the surge protector to  
ground for these currents in addition to a surge protector that will act  
fast enough to protect the solid state circuitry. Several manufacturers  
offer suitable surge protectors.  
WARNING!  
RISK OF ELECTROCUTION  
DO NOT BEGIN THE ELECTRICAL CONNECTION  
PROCEDURES UNTIL THE POWER IS TURNED  
OFF AT THE CIRCUIT BREAKER  
CONNECTING THE AC WIRING  
115 VOLT INSTALLATIONS:  
WIRING THE MECHANICAL UNIT TO THE  
CONTROL BOX  
Starting at the GS4000 Control box proceed as follows:  
1. Attach to Terminal - L1 - the 115 VAC HOT wire, normally  
It will be necessary to run two conduits from the Control Box to the  
Mechanical Unit. One will be used for the A-C power lines and  
another for the low voltage, class 2 wiring. See Figure 8. If wiring  
one control box to one mechanical unit (standard) follow wiring as  
shown in Figure 13, page 13. For bi-parting installations (one  
control box and two mechanical units) see page 13 and Figure 15,  
page 14.  
black.  
2. Attach to Terminal - L2 - 115 VAC NEUTRAL wire, normally  
white.  
3. The GREEN wire attaches to the GROUND wire, normally green.  
230 VOLT INSTALLATIONS:  
Note: in 230 VAC wiring systems, there will be two "HOT" wires,  
normally a red and a black wire. If there is a white wire, typically it  
will be a neutral wire. Starting at the GS4000 4 x 4 handy box,  
proceed as follows:  
RIGHT HAND AND LEFT HAND INSTALLATION  
The GS4000 Control panel is configured at the factory for right hand  
operation - mechanical unit mounted to the right of the gate leaf as  
you look at the installation from the inside (secured side). For left  
hand operation - mechanical unit mounted to the left of the gate leaf  
as you look at the installation from the inside (secured side) - move  
the 8 pin high voltage harness connector (white) and the 3 pin limit  
harness connector (orange) from the right hand connector blocks on  
the control board to the left hand connector blocks, see Figure 12,  
below.  
1. The BLACK wire attaches to one of the 230 VAC HOT wires,  
normally black.  
2. The RED wire attaches to the other 230 VAC HOT wire, normally  
red.  
3. The GREEN wire attaches to the GROUND wire, normally green.  
PROPER OPERATION OF THE SURGE PROTECTORS  
MOUNTED ON THE GS4000 CONTROL BOARD DEPENDS  
UPON A SOLID GROUND. ALSO, UL LISTING REQUIRES  
THAT THE GS4000 FRAME BE GROUNDED.  
110134  
WARNING!  
TO REDUCE THE RISK OF DAMAGE DUE TO  
LIGHTNING, ENSURE A SOLID GROUND FROM  
THE GS4000 GROUND WIRE IN THE SERVICE  
ENTRANCE 2 x 4 HANDY BOX TO THE  
ELECTRICAL SERVICE GROUND OR TO A  
EARTH GROUND STAKE NEAR THE GS4000.  
LOCATION OF  
RIGHT-HAND &  
LEFT HAND  
ADDITIONAL LIGHTNING PROTECTION  
HARNESS  
CONNECTIONS  
For those areas where a high probability of ground lightning strikes  
exists (Florida, Georgia, etc,) additional lightning protection should  
be installed in the GS4000. Although it may not be possible to  
protect against all strikes, additional protection will substantially  
reduce the occurrence of lightning damage. Allstar's lightning data  
indicates that the most strikes enter the GS4000 through the power  
LIMITS  
HIGH VOLTAGE  
Figure 12: Right/Left Hand Control Board Connectors  
12  
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C: INSTALLING THE OPERATOR  
contact is closed. Now, a contact will be made to the limit switch  
input at the terminal board through both limit switch contacts. Both  
motors will be turned off.  
A wiring schematic of the Bi-Parting installation is shown in Figure  
15, page 14. It is important this schematic be followed closely and  
that the color codes at the MECHANICAL UNITS and the  
CONTROL BOX be followed exactly. Most of the difficulties  
encountered with Bi-Parting installations are due to the wiring  
instructions not being followed.  
ACCESSORY EQUIPMENT HOOK-UP  
All accessory equipment is connected to the 18 terminal barrier strip  
located inside the GS4000 Control Box. To expose this terminal  
strip, remove the cover on the Control Box.  
There are 13 command inputs (#3 through #15) available to the  
installer on the GS4000 in a addition to a common terminal (#16).  
To trigger any of these inputs, a switch or relay closure to the  
common terminal for a duration longer than 100 milliseconds and of  
a resistance of less than 100 ohms is necessary. Eight of the inputs,  
FREE EXIT (#5), OPEN (#6), STOP (#8), REV LOOP (#11),  
110093  
Figure 13: GS4000 Limit & Motor Wiring Diagram  
BI-PARTING WIRING  
For a Bi-Parting installation, an additional two conduits must be  
installed between the First Mechanical Unit and the Second Mechanical  
Unit. (See Figure 8, page 8.) For a Bi-Parting installation, one operator  
must be a Left Hand unit and the other a Right Hand unit.  
The two motors of the Bi-Parting GS4000's will be wired in parallel.  
BOTH motors will run until both are shut off. If the two gate leafs do  
not open exactly the same amount, then the first gate leaf to reach it's  
open position will have to be held (or mechanically stopped) in that  
position until the second gate reaches its open position. Now, both  
motors can be turned off. The stop for the first gate can be installed  
externally or the GS4000 internal Stop Pall mounted on the large output  
drive sprocket of the GS4000 may be used.  
The Limit Switch contacts of the two Bi-Parting units need to be wired  
in series. Both limit switch contacts must be closed before a connection  
is made to the limit switch input at the Control Box to stop the motors at  
the Open or Closed position.  
The operation of the Bi-Parting installation is as follows: After receipt  
of a command to open, both units will begin to open together. The first  
gate to reach its open position will be stopped by the mechanical  
stop. Its motor will continue to run. The Torque Limiter will be  
adjusted to slip when the stop is encountered with the motor still  
running. The limit switch contact on this first unit is adjusted to  
close at this position. The second gate has not reached its fully  
open position. Its limit switch will be still open and no command  
will be given to the limit switch input at the terminal board until the  
gate has reached the maximum open position and the open limit  
Figure 14: Terminal Strip  
13  
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C: INSTALLING THE OPERATOR  
110092  
Figure 15: Bi-Parting Installation Limit & Motor Wiring Diagram  
14  
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C: INSTALLING THE OPERATOR  
CLOSE/OPEN PHOTO/EDGE (#s 9, 10, 12, & 13) can be  
continuous commands as noted on page 18. Labels identify the  
function of each of the terminals on the strip. See the  
TERMINAL STRIP Reference Chart on pages 17-19 related to  
each terminal number for an explanation of each of the inputs.  
WIRING  
TERMINAL STRIP  
RADIO  
RECEIVERS  
TO  
THE  
Radio Receivers MUST be of the 4 wire connection hook-up  
type (where the power input for the receiver is separate from the  
receiver’s output connection). The 4 wire version is necessary  
as the GS4000 control board 24 VAC output is not referenced to  
ground.  
connection.  
The transformer mounted in the GS4000 Control Box can be  
used power an accessory equipment item such as a radio  
receiver. This is a Class II transformer and is equipped with an  
internal fusible link. If this link is "blown" the transformer must  
be replaced. The transformer is powered whenever the GS4000  
main power switch is ON. The maximum power that can be  
supplied by the transformer for an accessory equipment item is  
20 VA or about 1 Ampere at 24VAC. This is usually sufficient  
to supply an accessory equipment item such as a radio receiver.  
Check the equipment for its power specifications.  
See Figure 16 and the following text for proper  
FOUR WIRE RECEIVERS  
Four wire receivers replace the "spade" terminals on the RECEIVER  
with 4 wires. These wires are typically color coded. The instructions  
with the receiver must be carefully followed to properly connect the  
receiver. For any 4 wire receiver, two of the wires will be for power  
input and two will be for the relay contacts. Connect the two wires  
for the power input to terminals 1 and 2 (24 VAC). Connect one of  
the two wires for the relay to terminal #4 (RADIO OPEN) or  
terminal #3 (ALTERNATE) depending on the function desired (see  
descriptions on the chart on pages 17 - 19) and the other wire to  
terminal #16 (COMMON) on the GS4000 terminal strip. See Figure  
16 for connecting 4 wire receivers to the GS4000.  
THE MAXIMUM POWER DRAW FOR ALL AUXILIARY  
EQUIPMENT SHOULD NOT EXCEED 20 VA IF POWER  
IS SUPPLIED FROM THE GS4000 CONTROL BOARD.  
FAILURE TO OBSERVE THIS RESTRICTION WILL  
DAMAGE THE GS4000 CONTROL BOARD AND VOID  
ANY WARRANTY.  
NOTE: IF THE 4 WIRE RECEIVER INSTRUCTIONS SHOW  
THAT TWO OF THE WIRES ARE OF THE SAME COLOR AND  
ARE COMMON CONNECTIONS INSIDE THE RECEIVER, YOU  
WILL NOT BE ABLE TO UTILIZE THIS RECEIVER AS WIRED  
WITH THE GS4000 CONTROL BOX. THE POWER SUPPLY  
CONNECTIONS MUST BE SEPARATE FROM THE RECEIVER  
OUTPUT CONNECTIONS WITH NO COMMON REFERENCES  
INSIDE THE RECEIVER.  
All auxiliary equipment devices must be of the type that require  
both sides of the transformer supplying power be "floating" and  
not grounded. The GS4000 auxiliary equipment low voltage  
power, terminals 1 & 2, is not referenced to ground. FAILURE  
TO OBSERVE THIS RESTRICTION WILL DAMAGE THE  
GS4000 CONTROL BOARD AND VOID ANY  
WARRANTY.  
WIRING A 3-BUTTON STATION  
NOTE:  
THE GS4000 WILL OPERATE ONLY WITH A  
THREE BUTTON  
NORMALLY OPEN STOP BUTTON.  
STATIONS MAY BE ORDERED FROM ALLSTAR WITH THE  
STOP BUTTON CONFIGURED AS NORMALLY OPEN. See  
Figure 17 for instructions on wiring a Three Button Station.  
Figure 16: Wiring 4-Wire Receiver  
TERMINAL  
STRIP  
110120  
TERMINAL  
STRIP  
Figure 17: Wiring 3-Button Station  
16  
COMMON  
16  
COMMON  
6
5
OPEN  
DRY CONTACT  
RELAY OUTPUT  
FREE EXIT  
CONNECT TO:  
RADIO OPEN  
8
7
6
STOP  
CLOSE  
OPEN  
4
3
2
1
OPEN  
CLOSE  
STOP  
OR  
ALTERNATE  
24 VAC  
24 VAC  
24VAC POWER  
FOR RECEIVER  
WIRING FOUR-WIRE RECEIVER  
110121  
WIRING 3-BUTTON STATION  
WITH NORMALLY OPEN STOP  
15  
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C: INSTALLING THE OPERATOR  
TERMINAL  
STRIP  
110123  
WIRING A KEYPAD, CARD READER  
OR TELEPHONE ENTRY SYSTEM  
16  
11  
9
COMMON  
REVERSE  
SHADOW  
FREE EXIT  
These devices activate the GS4000 by a relay contact  
closure within the device. Typically, these devices will  
be used to open a gate with the Timer-To-Close feature  
automatically closing the gate. In general, two wires or  
terminals are provided by the device to operate the gate.  
Follow the manufacturers instructions on locating these  
connections. If one of the connections at the device is  
labeled as COMMON, then connect this to Terminal  
#16 of the GS4000 Terminal strip. Connect the other  
contact to Terminal #5 (RADIO OPEN). If no  
identification of the connections is noted at the device,  
then the two wires may be connected to terminals #16  
and #5 of the GS4000 in any order.  
LOOP DETECTOR  
LOOP  
NORMALLY OPEN  
DRY CONTACTS  
5
WIRING A REVERSING LOOP DETECTOR  
WIRING A SHADOW LOOP DETECTOR  
WIRING A FREE EXIT LOOP DETECTOR  
2
1
24 VAC  
24 VAC  
NOTE: A DEDICATED POWER SUPPLY IS  
REQUIRED FOR THE DETECTOR  
Keypads, Card Readers and Telephone Entry Systems  
are typically located remotely from the GS4000. The  
Figure 19: Wiring A Free Exit , Shadow or Reversing Loop  
TERMINAL  
110122  
STRIP  
be used to preclude any future difficulties even though other devices  
may not be installed at this time. The 115 VAC may be obtained  
from the GS4000 at the GS4000 Control Box. The AC power  
should never be taken from a location where it will be switched  
off at the GS4000 Power Switch.  
16  
COMMON  
1
4
7
2
5
8
0
3
6
9
#
6
5
OPEN  
*
CONNECTING THE VEHICLE DETECTOR  
FREE EXIT  
For a REVERSING LOOP connection of the Vehicle Detector, the  
"relay" or "presence" output of the Detector will be connected to  
Terminal #11 (REVERSING LOOP) of the GS4000 and the RELAY  
COMMON wire will be connected to Terminal #16 (COMMON) of  
the GS4000. As long as a relay closure is present on these two lines,  
the GS4000 will not allow the gate to close. If the Vehicle Detector  
is activated and the gate is in the closed position, the presence of this  
signal will prevent the GS4000 from opening the gate. If the gate is  
opening, the gate will continue to open. If the signal is removed  
before the Timer to Close times out after opening, the gate will close  
after the Timer to Close has completed its cycle. If the signal is  
removed after the Timer to Close has completed its cycle, the gate  
will begin to close immediately.  
NORMALLY OPEN  
DRY CONTACTS  
2
1
24 VAC  
24 VAC  
WIRING PHONE ENTRY SYSTEM  
NOTE: A DEDICATED POWER SUPPLY  
IS REQUIRED FOR THE ENTRY SYSTEM  
Figure 18: Wiring A Phone Entry System  
wiring used is low voltage or CLASS 2. Be sure to run an  
independent conduit for this wiring from the Entry Device to the  
GS4000. The wire size should be #16 or #18 stranded for ease of  
handling.  
For a FREE EXIT connection of a Vehicle Detector, the RELAY or  
PRESENCE output signal will be connected to Terminal #5 (FREE  
WIRING VEHICLE DETECTORS  
There are three connections that need to be made; 1) the AC power to  
the Detector, 2) the control connection to the GS4000, and 3) the  
connection to the loop. All these connections will be made at the  
Vehicle Detector connector. Follow the wiring instructions provided  
by the Vehicle Detector Manufacturer.  
WARNING!  
RISK OF ENTRAPMENT!  
TO REDUCE THE RISK OF INJURY OR DEATH:  
LOCATE KEYPAD, CARD READER, KEY SWITCH  
OR SIMILAR ENTRY DEVICES IN A LOCATION  
WHERE A USER CAN NOT REACH THROUGH THE  
GATE OR FENCE TO ACTIVATE THE GATE  
OPERATOR. THE RECOMMENDED DISTANCE  
BETWEEN THE GATE OR FENCE AND  
VEHICLE DETECTOR POWER  
Vehicle Detectors may be ordered for 115 VAC or 24 VAC  
operation. The GS4000 terminals 1 & 2 cannot be used to supply 24  
VAC power. Allstar recommends that a 115 VAC Vehicle Detector  
ACCESSORY SWITCH IS 10 FEET.  
16  
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C: INSTALLING THE OPERATOR  
PRESETTING THE MOTOR OVERLOAD  
SENSITIVITY POTENTIOMETERS  
WARNING!  
IMPROPER WIRING COULD CAUSE  
ELECTROCUTION OR DAMAGE TO CIRCUITRY.  
FOLLOW LOCAL BUILDING AND ELECTRICAL  
CODES.  
The GS4000 has independent adjustments for Open and Close  
Overload Sensitivity. The GS4000 is shipped from the Factory with  
the overload settings at their most sensitive setting. During the initial  
check out phase, it will be necessary to adjust the sensitivity to  
prevent inherent overloads from gate friction and other gate  
anomalies. See Figure 20. Adjust the OPEN and CLOSE  
OVERLOAD potentiometers approximately 1/4 turn clockwise.  
EXIT) and the RELAY COMMON signal connected to Terminal #16  
(COMMON) of the GS4000, See Figure 19. DO NOT CONNECT  
THE FREE EXIT OUTPUT SIGNAL TO ANY OTHER  
TERMINAL, SUCH AS RADIO OPEN, BECAUSE THE GATE  
WILL CLOSE AFTER REACHING THE OPEN LIMIT AND THE  
TIMER TO CLOSE HAS COMPLETED ITS CYCLE, EVEN  
THOUGH THE VEHICLE HAS NOT EXITED THE FREE OUT  
LOOP.  
Note! Turning the potentiometer clockwise decreases sensitivity.  
Turning the potentiometer counterclockwise increases sensitivity.  
WARNING: THE OVERLOAD POTENTIOMETERS MUST  
BE SET MORE PRECISELY PRIOR TO COMPLETING THE  
GS4000 INSTALLATION. (See, FINAL SETTING OF THE  
MOTOR OVERLOAD SENSITIVITY)  
CONNECTING THE LOOP WIRES  
TERMINAL STRIP REFERENCE CHART  
Follow the instructions of the Vehicle Detector Manufacturer when  
connecting the loop wires. Good, tight connections are most  
important. It is recommended that these wires be soldered to the  
wiring harness of the Vehicle Detector.  
DESCRIPTION  
#
NAME  
Provides maximum 10 VA auxiliary  
power for accessories.  
1
24 VAC  
Provides maximum 10 VA auxiliary  
power for accessories.  
2
3
24 VAC  
Momentary input, must be released  
and re-entered to be recognized.  
ALTERNATE  
This input is used for “COMMAND OPEN/COMMAND  
CLOSE” applications. The 1st signal will cause the gate  
to begin opening. A 2nd signal received during the open  
cycle will stop the gate immediately. A 3rd signal will  
close the gate. Connect appropriate access control  
devices to this terminal and #16 COMMON. Disable the  
Close Timer (rotate pot fully counter-clockwise).  
Momentary input, must be released  
and re-entered to be recognized.  
4
5
RADIO OPEN  
Once activated the gate will open fully. Activation while  
the gate is closing will cause it to re-open.  
Momentary or continuous input.  
FREE EXIT  
Once activated the gate will open fully. Activation while  
the gate is closing will cause it to re-open. Continuous  
activation while the gate is open will prevent the Timer-  
To-Close function from automatically closing the gate.  
LOCATION OF  
OVERLOAD FORCE  
ADJUSTMENTS  
Momentary or continuous signal. On/  
Off mode set by Switch #1  
6
OPEN  
110125  
WITH SWITCH 1 OFF: Once activated the gate will open  
fully. Activation while the gate is closing will cause it to  
re-open. Continuous activation while the gate is open  
will prevent the Timer-To-Close function from  
automatically closing the gate. Continuous signal  
required to move the gate when in the alarm mode.  
WITH SWITCH 1 ON: Gate does not respond to  
pushbutton input when in the normal mode. Continuous  
signal required to move the gate when in the alarm  
mode.  
Figure 20: Overload Force Adjustments  
17  
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C: INSTALLING THE OPERATOR  
TERMINAL STRIP REFERENCE CHART  
DESCRIPTION  
#
NAME  
DESCRIPTION  
#
NAME  
Momentary or continuous signal. On/  
Off mode set by Switch #1  
Momentary or continuous signal.  
7
CLOSE  
12 OPEN EDGE  
This input is active only when referenced to the opening  
direction, it has no effect on the gate when closing or about to  
close. If activated when the gate is opening the gate will  
stop, pause and reverse in the close direction for 1/2 second  
(approx. 2 inches) and stop. Continuous activation will  
prevent the gate from moving in the open direction. If a  
second activation occurs before the limit switch is activated  
the gate will stop and a require a renewed, intended input to  
move in the open direction and before an automatic  
activation device (timer, etc.) will operate. This input is  
intended for Electric Gate Edge systems and other minimum-  
contact devices as appropriate. Connect here and to  
terminal #16 COMMON. Multiple devices may be connected  
in parallel.  
WITH SWITCH 1 OFF: Once activated the gate will  
close fully. Activation while the gate is opening has no  
effect. Continuous signal required to move the gate  
when in the alarm mode.  
WITH SWITCH 1 ON: Gate does not respond to  
pushbutton input when in the normal mode. Continuous  
signal required to move the gate when in the alarm  
mode.  
Momentary or continuous signal.  
8
9
STOP  
Overrides all other signals. Once activated, the gate will  
immediately stop and await a new command. If the  
STOP input is continuously activated, the gate will not  
move.  
Momentary or continuous signal.  
13 CLOSE EDGE  
Momentary or continuous signal.  
SHADOW LOOP  
This input is active only when referenced to the closing  
direction, it has no effect on the gate when opening or about  
to open. If activated when the gate is closing the gate will  
stop, pause and reverse in the open direction for 1/2 second  
(approx. 2 inches) and stop. Continuous activation will  
prevent the gate from moving in the close direction.  
Continuous activation while the gate is open will prevent the  
Timer-To-Close function (if enabled) from automatically  
closing the gate. If a second activation occurs before the  
limit switch is activated the gate will stop and a require a  
renewed, intended input to move in the close direction and  
before an automatic activation device (timer, etc.) will  
operate. This input is intended for Electric Gate Edge  
systems and other minimum-contact devices as appropriate.  
Connect here and to terminal #16 COMMON. Multiple  
devices may be connected in parallel.  
This input is active only when the gate is at rest in the  
fully OPEN or CLOSED position, it has no effect on the  
gate when closing or opening. Continuous activation will  
prevent the gate from moving in the open or close  
direction (depending on gate position). When the input  
is removed normal operation is resumed. This input is  
intended for a vehicle loop detector to sense a vehicle in  
the gate path. Connect here and to terminal #16  
COMMON. Multiple devices may be connected in  
parallel.  
Momentary or continuous signal.  
10 CLOSE PHOTO  
This input is active only when referenced to the closing  
direction, it has no effect on the gate when opening or  
about to open. If activated when the gate is closing the  
gate will stop, pause and reverse in the open direction  
for 1/2 second (approx. 2 inches) and stop. Continuous  
activation will prevent the gate from moving in the close  
direction. When the input is removed normal operation  
is resumed. If the Timer-To-Close function initiated the  
close movement and Switch S2 (Re-close) is ON, the  
gate will automatically re-close from a partially closed  
position after the input to Close Photo is removed.  
Continuous activation while the gate is open will prevent  
the Timer-To-Close function (if enabled) from  
Momentary or continuous signal. Master  
(output configuration)  
14 MASTER OPEN  
This terminal is used to coordinate two independent systems  
(two control box/mechanical unit combinations controlling  
separate gate leaves). Connects to terminal #6 (OPEN) in  
the companion control box and controls the direction of  
movement in the companion box (Switch S3 ON).  
Momentary or continuous signal. Master  
(output configuration)  
15 MASTER CLOSE  
automatically closing the gate. This input is intended for  
photoelectric eye systems and other non-contact devices  
as appropriate. Connect here and to terminal #16  
COMMON. Multiple devices may be connected in  
parallel.  
This terminal is used to coordinate two independent systems  
(two control box/mechanical unit combinations controlling  
separate gate leaves). Connects to terminal #7 (CLOSE) in  
the companion control box and controls the direction of  
movement in the companion box (Switch S3 ON).  
Momentary or continuous signal.  
11 REV LOOP  
Common connection for low voltage  
signal inputs, terminals 3 through 15.  
16 COMMON  
This input is active only when the gate is closing or when  
it’s fully open and the Close Timer is operative. All  
stand-alone vehicle detectors, photo-eyes and active  
edges should be connected here and to terminals #3 or  
#13 COMMON. Multiple devices may be connected in  
parallel.  
Connection for Limit Switch Input — See  
page 13, Fig. 13 or page 14, Fig. 15, for  
Limit Switch Wiring (single or bi-parting)  
17 CLOSE LIMIT  
SWITCH  
18  
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D: STARTING THE OPERATOR  
the nut on the Limit Switch Cam. Snug the set screw on the cam  
against the output shaft to protect the cam from accidental  
movement. Open the gate to its FULLY OPEN position. Repeat  
this procedure for the upper Limit Switch and Cam. (See Figure 21.)  
TERMINAL STRIP REFERENCE CHART  
DESCRIPTION  
#
NAME  
Connection for Limit Switch Input — See  
page 13, Fig. 13 or page 14, Fig. 15, for  
Limit Switch Wiring (single or bi-parting)  
18 OPEN LIMIT  
SWITCH  
SETTING THE SWITCH SELECTABLE OPTIONS  
The switches that control the selectable options are located on the  
Control board. See Figure 22.  
Connection for Motor wiring - See  
Section C. Figs. 13 or 15 for Motor  
Wiring (single or bi-parting)  
M2 MOTOR RUN  
WINDING  
110126  
Connection for Motor wiring - See  
Section C. Figs. 13 or 15 for Motor  
Wiring (single or bi-parting)  
M1 MOTOR RUN  
WINDING  
Also connection for MOTOR COMMON  
L2 AC INPUT  
L1 AC INPUT  
WARNING!  
LOCATION OF  
SWITCH SELECT-  
ABLE OPTIONS  
RISK OF ELECTROCUTION  
DO NOT BEGIN TO SET THE FOLLOWING  
ADJUSTMENTS UNTIL THE POWER IS TURNED  
OFF AT THE GS4000 CONTROL BOX  
SETTING THE LIMIT SWITCHES  
With the cover removed from the GS4000 MECHANICAL UNIT,  
and the arm connected to the gate as well as to the GS4000 Operator,  
position the gate at its FULLY CLOSED position. Identify the  
lower Limit Switch. Loosen the clamping nut on the Limit Switch  
Cam for the lower Limit Switch. Rotate the cam on the output shaft  
until it engages the Limit Switch and an audible “click” is heard.  
Repeat this several times until you are confident that the position of  
the cam is such that the Limit Switch is just closed. Carefully tighten  
Figure 22: SETTABLE SWITCHES  
NO-LOAD TEST MODE  
To run/test the GS4000 operator when it is not connected to a gate  
leaf, turn all of the switches to the “ON” position. The GS4000 can  
then be operated without a gate leaf attached for 20 complete cycles.  
If more that twenty cycles are attempted in the test mode the operator  
control board changes to a “sleep” mode and a low pulsed tone is  
heard from the audible output. You can reset the operator for a  
renewed 20 test cycles by turning the power off and back on again.  
To return to normal operation turn one of the switches to the “OFF”  
position, then set all the switches to the desired mode of operation as  
described in the text that follows.  
106304  
UPPER LIMIT  
SWITCH  
LOWER LIMIT  
SWITCH  
UPPER  
LIMIT  
CAM  
SET SCREW  
OPEN/CLOSE PUSH BUTTON ENABLE/  
DISABLE (PATENT NO. 6,611,205)  
UPPER  
LOWER LIMIT  
CAM  
LIMIT CAM  
CLAMPING  
NUT  
Switch S1 controls the Push Button Enable/Disable Feature.  
SWITCH 1 OFF: Activating the Open or Close buttons the gate will  
open or close fully. Activation of the Open while the gate is closing  
will cause it to re-open. Activation of the Close while the gate is  
opening has no effect. Continuous activation of an opposing button  
while the gate is on a limit will prevent operation in that direction.  
Continuous signal required to move the gate when in the alarm mode.  
SWITCH 1 ON: Gate does not respond to pushbutton input when in  
the normal mode. Continuous signal required to move the gate when  
in the alarm mode. This patented feature allows you to mount a two  
or three button station in an unsecured location as it will only be  
active when in the alarm mode.  
LOWER  
LIMIT CAM  
CLAMPING  
NUT  
Figure 21: Limit Switches  
19  
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D: STARTING THE OPERATOR  
APPLYING POWER TO THE GS4000  
PRE-POWER CHECK LIST  
110125  
Before applying power to the GS4000 for the first time, go through  
the following check list to ensure that all is in order for the application  
of power.  
1. Check that the GS4000 power switch is off.  
2. Check that the breaker at the power panel is on.  
LOCATION OF  
AUTOCLOSE TIMER  
ADJUSTMENT  
3. With a voltmeter on the proper scale, check that the line voltage at  
terminals L1 and L2 on the GS4000 control board is the voltage that is  
expected. Connection of a 115 VAC GS4000 to an unexpected 230  
VAC line is a common occurrence.  
This will cause readily  
identifiable board failure that WILL NOT BE COVERED UNDER  
WARRANTY.  
4. Manually move the gate to the center of the gate opening.  
Figure 23: Location of Auto-Close Timer Adjustment  
5. Make sure the Torque Limiter is properly adjusted to slip under a  
load when a moderate amount of force is applied to the gate in the  
center of its travel. If the adjustment is too loose, the overload  
sensitivity will not function properly and the Torque Limiter may slip  
when the gate is under a wind loading. Start by tightening the large  
nut on the Torque Limiter to 35 ft-lbs./in. To fine tune, increase or  
decrease this by approximately 5 ft-lbs./in. increments. When a  
satisfactory setting is found, tighten the set screw in the side of the  
large nut.  
TIMER TO CLOSE SETTING  
The Timer to Close is controlled by the setting of the “AUTO CLOSE  
TIMER” potentiometer on the control board, see Figure 23. When the  
pot is adjusted fully counter-clockwise the Timer-To-Close is  
disabled. Turning the pot approximately 1/4 turn clockwise will  
enable the Timer To Close function with a delay of approximately 2  
seconds between the gate reaching the full open position and  
automatically closing. To increase the time delay continue to turn the  
pot in the clockwise direction to a maximum delay of 60 seconds (one  
minute).  
6. Set all the Switch selectable options switches ON for the test mode.  
7. Make sure that the overload sensitivity potentiometers (Open and  
Close) are set to their preliminary start up position.  
8. Temporarily remove the white high voltage connector from the  
control board.  
AUTO RE-CLOSE (TIMER-TO-CLOSE FUNCTION)  
Switch S2 controls the Auto-Re-close function. If the Timer To Close  
function is enabled (see above), setting Switch S2 to the ON position  
will activate the Auto-Re-close feature on the motor control board.  
When the auto-re-close is activated, the gate will re-close after  
stopping and backing-off from a non-contact sensor input if the close  
movement was initiated by the Timer-To-Close function on the  
control board. The gate will not re-close if the sensor input was  
received from a contact sensor or if the inherent overload sensor was  
activated.  
CHECKING THE INDICATOR LIGHTS  
There are 16 indicator lights on the control board of the GS4000. See  
Figure 24. These lights are used to verify proper operation of the  
GS4000.  
TURN ON THE MAIN POWER SWITCH TO THE GS4000.  
MASTER/SLAVE CONFIGURATION  
Note that the “POWER” lamp is lighted. This indicates that power  
is applied to the control board and the power supply is functioning  
Switch S3 controls the Master/Slave Terminals (#s 14 & 15)  
configuration setting. The setting is used when two control boards  
(boxes) are used in conjunction with two mechanical units.  
1. Connect one end of a short piece of wire (not supplied) to terminal  
#16 (COMMON).  
2. With the other end of this wire, (make sure that this loose end is  
free of insulation), touch the following terminals and observe the  
noted response of the lamps.  
With Switch S3 in the ON position terminals 6 & 7 (OPEN &  
CLOSE) are in the Slave mode and could be coupled to and would be  
controlled by a Master control board (box). With Switch S3 in the  
OFF position terminals 14 & 15 are in the Master (output) mode and  
could be coupled to and would control a Slave control board (box).  
20  
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D: STARTING THE OPERATOR  
3.  
4.  
5.  
Connect to Terminal #17, Close Limit Switch: Close Limit  
Switch light is ON.  
13.  
Connect to Terminal #6, Open: Observe that the Motor Open  
light comes ON and the Open Pushbutton light is ON.  
Remove the wire from terminal #6 and observe that the Open  
Pushbutton light goes OUT and the Motor Open light stay  
ON.  
Connect to Terminal #18, Open Limit Switch: Open Limit  
Switch light is ON.  
Connect to Terminal #4, Radio Open.: Radio Open light is  
14.  
Connect to Terminal #12, Open Contact Sensor: Note that the  
Open Contact Sensor light comes on & remains on until the  
connection is removed. Observe that the both Motor Open  
and Motor Close lights are momentarily ON, then the Motor  
Open light goes out and the Motor Close light stays on for  
approximately 1 second then goes out.  
110127  
15.  
16.  
Connect to Terminal #7, Close: Same as above Sequence #6.  
Connect to Terminal #10, Close Non-contact Sensor: Note  
that the Close Non-contact Sensor light comes on & remains  
on until the connection is removed. Observe that the both  
Motor Open and Motor Close lights are momentarily ON,  
then the Motor Close light goes out and the Motor Open light  
stays on for approximately 1 second then goes out.  
SHADOW  
LOOP  
17.  
18.  
Connect to Terminal #7, Close: Same as above Sequence #6.  
Connect to Terminal #13, Close Contact Sensor: Note that the  
Close Contact Sensor light comes on & remains on until the  
connection is removed. Observe that the both Motor Open  
and Motor Close lights are momentarily ON, then the Motor  
Close light goes out and the Motor Open light stays on for  
approximately 1 second then goes out.  
19.  
Connect to Terminal #9, Shadow Loop: Note that the Shadow  
Loop light comes on and remains on until the connection is  
removed.  
INDICATOR LAMPS  
Figure 24: Indicator Lights  
CHECK OF THE INDICATOR LAMPS HAS BEEN  
COMPLETED.  
ON, Motor Open light is ON.  
6.  
7.  
Remove wire from Terminal #4, Radio Open. Radio Open  
light goes OUT, Motor Open light stays ON.  
I F  
T H E  
I N D I C A T O R  
T E S T  
P E R F O R M E D  
SATISFACTORILY, TURN OFF THE AC POWER SWITCH  
AT THE GS4000 CONTROL BOX AND RECONNECT THE  
WHITE HIGH VOLTAGE HARNESS CONNECTOR TO THE  
CONTROL BOARD. RESET THE SWITCH SELECTABLE  
OPTIONS (S1, S2, S3) TO THE APPROPRIATE SETTINGS  
AS PER THE FUNCTIONS DESIRED (SEE PAGE 19 AND 20).  
Connect to Terminal #8, Stop : Both Motor Open and Motor  
Close lights are momentarily ON, then both Motor Open and  
Motor Close lights go OUT. The Stop Pushbutton light is  
ON as long as the wire is held on the terminal and the goes  
OUT when the wire is removed.  
8.  
9.  
Connect to Terminal #7, Close: Observe that the Motor Close  
light comes ON and the Close Pushbutton light is ON.  
Remove the wire from terminal #7 and observe that the Close  
Pushbutton light goes OUT and the Motor Close light stays  
ON.  
WARNING!  
Connect to Terminal #11, Reversing Loop,: Observe that both  
Motor lights are ON momentarily and then the Motor Close  
light goes OUT and the Motor Open light stays ON.  
RISK OF ENTRAPMENT  
OVERLOAD SENSITIVITY HAS NOT BEEN SET.  
DO NOT ALLOW ANYONE NEAR THE GATE AND  
DO NOT LEAVE GATE AND GS4000 UNIT  
UNATTENDED UNTIL FOLLOWING PROCEDURES  
HAVE BEEN COMPLETED.  
10.  
11.  
Connect to Terminal #8, Stop,: Same as above, Sequence 5.  
Connect to Terminal #3, Alternate: Alternate light is ON,  
Motor Close light is ON. Remove wire and note that the  
Alternate light goes OUT but the Motor Close light stays ON.  
USE CAUTION DURING THIS FINAL  
ADJUSTMENT PERIOD.  
12.  
Connect to Terminal #3, Alternate again: Note that the  
Alternate light comes ON, that the Motor Close light goes  
OUT and that the Motor Open light comes ON.  
21  
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D: STARTING THE OPERATOR - FINAL SETTINGS  
MAIN POWER SWITCH. IF THE GATE HITS THE  
MECHANICAL LIMIT AND THE LIMIT SWITCH LIGHT  
DOES NOT COME ON, THE LIMIT CAM OR THE STOP  
WILL NEED TO BE READJUSTED.  
WARNING!  
RISK OF ENTRAPMENT  
OVERLOAD SENSITIVITY HAS NOT BEEN SET.  
DO NOT ALLOW ANYONE NEAR THE GATE AND  
DO NOT LEAVE GATE AND GS4000  
UNATTENDED UNTIL FOLLOWING PROCEDURES  
HAVE BEEN COMPLETED.  
If the gate stops short of the desired fully open or closed position  
or if it bangs against the end stops, TURN OFF THE MAIN  
POWER and reset the appropriate Limit Switch Cam. After you  
have attained the final adjustment, run the GS4000 open and closed  
several times to ensure that the positions set will be retained.  
USE CAUTION DURING THIS FINAL  
ADJUSTMENT PERIOD.  
SMART™ SETTING - MAXIMUM RUN TIMER  
The GS4000 is equipped with a Self adjusting MAximum Run  
Timer, SMART™ , that will turn the GS4000 OFF if a Limit Switch  
command is not received within five seconds of the time required to  
fully Open or Close the gate. The purpose of the Maximum Run  
Timer is to turn off the GS4000 if the gate should become jammed  
when opening or closing. In this case, the Limit Switch will not be  
activated. Should this occur, the Torque Limiter will slip and the  
pads will be worn out prematurely. The Maximum Run Timer will  
prevent this by turning OFF the GS4000. Once the obstruction is  
removed, any command will reactive the GS4000.  
PRE RUNNING CHECKLIST  
Before running the GS4000, make sure:  
1. The proper Left-or Right-hand or Bi-Parting wiring has been  
completed (if applicable).  
2. The Limit Switch Cams have been preliminarily set.  
3. The Overload Sensitivity has been preset.  
4. The Switch Selectable Options have been set.  
5. The Gate has been positioned in the center of it's travel.  
6. The Torque Limiter is properly adjusted.  
To set the Smart™ Maximum Run Time fully open and close the  
gate five (5) times. The control board will sense the time required  
and add approximately four seconds.  
7. No other devices should be connected to the terminal strip  
until the powering-up procedures are completed.  
WHEN CHECKING OPERATION OF THE LIMIT  
SWITCHES, BE CERTAIN THE MOTOR IS BEING  
TURNED OFF BY THE LIMIT SWITCH AND NOT THE  
MAXIMUM RUN TIMER. SHOULD THE GATE REACH  
THE OPEN OR CLOSED POSITION AND THE  
RESPECTIVE LIMIT SWITCH LIGHT DOES NOT  
COME ON BUT THE MOTOR STOPS RUNNING, THEN  
THE MAXIMUM RUN TIMER IS TURNING OFF THE  
RUNNING THE GS4000  
Turn ON the main power switch. The Power Lamp will come on.  
The Alarm will sound for 1/2 second (a brief chirp), the Alarm  
indicator lamp will flash for 1/2 second. The gate should not move.  
If the gate moves in either direction turn off the power and call  
Factory Service for assistance.  
MOTOR.  
TURNING THE GS4000 OFF BY THE  
MAXIMUM RUN TIMER WILL CAUSE THE TORQUE  
LIMITER TO SLIP FOR AN UNNECESSARY AMOUNT  
OF TIME EACH TIME THE GATE IS OPERATED.  
THE TORQUE LIMITER PADS ARE NOT CAPABLE  
OF LONG LIFE UNDER THESE CONDITIONS.  
PREMATURE WEAR WILL OCCUR AND FREQUENT  
ADJUSTMENT OF THE TORQUE LIMITER WILL BE  
NECESSARY.  
1. Give the GS4000 a command to open by connecting the jumper  
wire from Terminal #16 (COMMON) to Terminal #6 (OPEN).  
The gate should move to the fully open position.  
2. If the TIMER TO CLOSE option has been selected, the timer will  
activate the gate to close within a maximum of 60 seconds  
depending on the setting of the TIMER TO CLOSE  
potentiometer (See Figure 23, Page 20).  
FINAL SETTING OF THE CLOSE TIMER  
3. If the TIMER TO CLOSE is not to be used on this installation,  
activate the gate to Close by connecting the jumper wire from  
Terminal #16 (COMMON) to Terminal #7 (CLOSE). The gate  
should move to the fully closed position.  
To alter the amount of time that the close timer will hold the gate  
open, adjust the timer potentiometer located on the Control Board.  
See Figure 23, page 20.  
4. Allow the gate to close and note the position of the gate.  
The Close Timer is adjustable from 2 to approximately 60 seconds.  
Turning the potentiometer clockwise increases the delay; turning it  
counterclockwise decreases the delay.  
IF THE GATE HITS THE OPEN OR CLOSE STOPS OR  
EITHER THE MOTOR OPEN OR CLOSE LIGHT REMAINS  
ON AFTER REACHING THE MECHANICAL STOPS AND  
THE LIMIT SWITCH LIGHT IS "ON", TURN OFF THE  
22  
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E: INSTALLATION NOTES FOR AUXILIARY EQUIPMENT  
describe the gate system operation to the end user. Review the Gate  
Operator System Operation and Safety Guide in Section F of this  
manual with the end user.  
FINAL SETTING OF THE MOTOR OVERLOAD  
SENSITIVITY  
The motor overload sensitivity was preset for each direction before  
turning on the main power to prevent the operator from "self-  
tripping" during the preliminary adjustment period.  
You are now ready to install and connect the ancillary  
equipment.  
SECTIONS A, B,  
BEFORE PROCEEDING.  
INSTALLATION STEPS DETAILED IN  
C
AND MUST BE COMPLETE  
D
Adjust the Open Overload Force potentiometer, see Figure 20 fully  
counter-clockwise then approximately 1/16 of a turn in the clockwise  
direction. Start from the closed gate position and give the GS4000 an  
open command and observe the Gate. If the gate stops and reverses  
anywhere in the cycle turn the Open Overload potentiometer  
approximately 1/16 in the clockwise direction. Repeat this process  
until the gate will open without the Open Overload tripping and with  
the Open Overload potentiometer in the most counterclockwise  
direction. (Make sure the gate swings easily and there are no  
obstructions in the path of the gate.)  
1. Installing Entry Devices  
After you are satisfied that all the loops are functioning properly,  
proceed with the installation of any additional entry devices, such as  
a Radio Receiver, Telephone Entry or Key Pad. Connect the Radio  
Receiver and observe the precautions regarding radio receivers  
described on page 15. Other entry devices MUST be connected to  
the appropriate terminal(s) as their functions warrant as described on  
pages 17 through 19.  
Repeat the above adjustment procedure for the close direction.  
2. Installing a Magnetic Lock  
CAUTION: During this process the alarm will sound if the overload  
sensor is activated two sequential times before the gate reaches a  
limit (open or close). To reset the alarm sensor use constant pressure  
on a control button connected to the OPEN or CLOSE input and  
move the gate to a fully open or closed position or turn off and  
restore the power to the operator.  
The GS4000 can (as an option) be configured and wired to provide a  
closed contact to control the power to a Magnetic Lock. This option  
must be ordered at the same time as the operator or as a kit  
installation after the original installation.  
The magnetic lock must be powered by an external source, the  
operator provides only a contact to energize and de-energize the lock.  
When you are satisfied that you have the best settings, test these  
settings by striking the gate a sharp blow with the palm of your hand  
in both the open and close direction. The OVERLOAD should  
respond immediately to your blow. If the Torque Limiter slips before  
the overload is detected, the Torque Limiter will need to be tightened.  
The purpose of the Torque Limiter is to protect the mechanical  
components of the GS4000 (primarily the Gear Box). The Torque  
Limiter should be adjusted so that the OVERLOAD will be activated  
before slippage occurs.  
Note: the Allstar GS1000 (slide gate operator) uses the same Control  
Board as the GS4000, except for the configuration of the LOCK  
circuitry. If the LOCK is energized when the gate is opening or  
closing, a GS1000 Control Board has been accidentally installed in  
your GS4000 operator. It must be replaced with a GS4000 BOARD.  
The Magnetic Lock will be released by the GS4000 about 100  
milliseconds prior to giving the gate an Open Command. This time  
delay is to allow the magnetic field in the Magnetic Lock to decay  
and release the Lock prior to starting the gate.  
IMPORTANT !  
THE OVERLOAD POTENTIOMETERS  
MUST BE ADJUSTED TO THE MOST SENSITIVE  
POSITION POSSIBLE WITHOUT CAUSING "SELF-  
TRIPPING" DUE TO THE GATE'S INHERENT FRICTION  
OR TO VARIATIONS IN THE GATE HINGE.  
TRY  
ADJUSTING THE POTENTIOMETERS SEVERAL TIMES  
BY SMALL INCREMENTS, TESTING THE OVERLOAD  
BY STRIKING THE GATE WITH YOUR PALM IN BOTH  
DIRECTIONS OF TRAVEL. REPEAT THIS TEST UNTIL  
YOU ARE SATISFIED YOU HAVE THE MOST  
SENSITIVE SETTING OF THE POTENTIOMETERS.  
Disconnect the crank arm from the output shaft to permit re-  
installation of the cover on the mechanical unit. Install the operator  
cover and secure it to the frame with (2) 1/4-20 hex bolts. Remember  
to re-install the rain seal on the output shaft. Re-connect the gate arm  
on the GS4000 and secure it with the padlock provided. Complete  
the installation by replacing the cover on the Control box.  
Review the Installation Notes in Section A of this manual and  
23  
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F: END USER INSTRUCTIONS GATE OPENER OPERATION & SAFETY GUIDE  
IMPORTANT SAFETY INSTRUCTIONS. TO REDUCE THE RISK OF SEVERE INJURY OR  
WARNING!  
DEATH: READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL!  
Instructional and precautionary signs  
Covers for exposed rollers  
To the Owner/End User of Allstar’s GS4000:  
Thank you for choosing an Allstar product. We are confident you will  
have many years of use and satisfaction with your gate operator.  
Each safety feature is a separate component in your gate system. Read  
and follow all instructions for each of the components of your unique  
system. Ensure that all instructions for mechanical components,  
safety features and the Allstar GS4000 are available for everyone  
who will be using your gate system.  
Your GS4000 Operator is part of your unique gate operating system,  
which may consist of a variety of components, including the gate, the  
gate tracks, posts, and electronic safety features. These components  
combined present certain risks and safety issues of which you, the end  
user, must be aware.  
The two warning signs shipped with your GS4000 Operator (See Figure  
4, Page 5 of this manual) must be installed in prominent positions on  
both sides of your gate. Keep them clean and legible.  
Read and put into practice the safety points that follow which present  
the basic guidelines for the safest operation of your gate operator  
system.  
Each unique system presents a unique set of hazards which we cannot  
possibly address individually. These instructions will help you to  
identify the potential risks and safety issues your gate operator system  
presents, and guide you as you make your system as safe as possible for  
everyone who uses it.  
SAVE THESE INSTRUCTIONS !  
Your first step is to consider the intended use of the gate system, who  
will be using the gate system, and in what manner the system is  
installed. You should have a clear understanding of how often the gate  
will be opened, who will be opening it, whether children and the  
general public will be near the gate system, and how close the gate  
system is to public property. Once you have answered these questions,  
you are ready to decide what safety measures must be taken to prevent  
injury.  
AVOID ENTRAPMENT: Stay away from the path of the gate  
and all moving parts (gate arms, etc.) at all times. Keep clear of the  
pinch points identified below.. Install guards or other safety features to  
prevent access to pinch point areas. Install guards on open rollers.  
PREVENT PERSONAL INJURY OR DEATH: Do not stand  
near or on the gate. Gate may be activated without notice. Do not  
allow anyone to “ride” the gate, or place arms or legs through the gate. The  
force of the gate can cause serious personal injury or death. No one should  
cross the path of a moving gate.  
To minimize the risk of entrapment in your gate system, install the  
following safety features:  
NO CHILDREN OR PETS ALLOWED: Never allow a child to  
operate gate controls, “ride” a gate, or play in the area of a gate.  
Install and store all controls out of children’s reach. Also, pets must be  
kept away from the gate. Install a pedestrian gate in applications where  
children or pets need access.  
Electric gate edges  
Enclosed tracks  
Vertical guard posts  
Protective screen mesh  
Photoelectric sensors  
This entrance is for vehicles only. Pedestrians must use a separate entrance.  
PRECAUTIONS FOR PEDESTRIAN TRAFFIC OR RESIDENTIAL AREAS.  
The internal operator overload sensor may not be adequate entrapment protection in all situations to prevent arm,  
leg, or hand injuries. Padded electric gate edges, pneumatic gate edges, or photoelectric sensors are therefore  
necessary when automatic gates are used near pedestrian traffic. See the figure below. Use of a pedestrian walk gate  
is mandatory where there is nearby pedestrian traffic.  
104948  
Pedestrian Walk Gate  
Vehicular Gate  
Pinch point areas  
Electric edge on leading edge of gate  
Figure 25: Entrapment Protection  
24  
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F: END USER INSTRUCTIONS GATE OPENER OPERATION & SAFETY GUIDE  
MAINTAIN THE GATE AND GATE HARDWARE:  
A
ALL APPROPRIATE SAFETY FEATURES MUST BE  
INCORPORATED INTO YOUR GATE SYSTEM.  
damaged gate or one that cannot be easily opened and closed  
manually must be repaired before installing a gate operator. A poorly  
operating gate may cause the load sensing device of the operator to fail,  
causing a risk of entrapment. Never overtighten the clutch or load sensing  
device to compensate for a poorly swinging gate. Correct all mechanical  
problems on the gate and gate hardware before installing the gate operator.  
Have a qualified service technician make repairs to the gate.  
KEEP GATE IN SIGHT: Never activate the gate unless it is in  
sight. Install mounted controls in full view of the gate. Be sure the  
gate area is clear before activating the gate, and watch the gate and gate area  
as the gate is in motion.  
LOCATE MANUAL CONTROLS SAFELY:  
A manual  
MAINTAIN ALL COMPONENTS OF GATE SYSTEM:  
Follow the maintenance instructions included with the gate, the  
control such as a pushbutton or keyswitch must be included in  
your gate system design to be used if automatic controls such as radio  
controls or loop detectors do not function. Carefully consider the placement  
of the manual control: It must be out of reach of the gate so that no one  
pushing the button or inserting the card is in the path of the gate or moving  
parts; it must also be within sight of the gate so that the operator can watch  
the gate and gate area during operation. The recommended minimum  
distance between the gate or fence and manual controls accessory is 10  
gate operator, and the safety features and/or accessories that make up your  
gate operator system. Have a professional service technician perform any  
adjustments or maintenance to the components. Fully test all safety  
features monthly. Discontinue the use of faulty safety equipment  
immediately, and have the equipment serviced or replaced. by a qualified  
service technician. The gate must reverse on contact with a solid, rigid  
object or when an object activates the non-contact sensors. After adjusting  
the force or limits of travel, retest the gate operator. Failure to adjust and  
retest the gate operator properly can increase the risk of injury or death.  
KNOW YOUR GATE ARM DISCONNECT FEATURE FOR  
MANUAL OPERATION: In the event of a power outage, you  
may need to manually operate your gate. The GS4000 is equipped  
with a keyed padlock to permit the gate arm to be manually disconnected  
from the GS4000 operator. This will allow you to manually push the gate  
open or close as needed. Be sure to have the service technician or dealer  
installing your gate system give you the key to the padlock and show you  
how to use this feature quickly and safely. Keep the key in a safe,  
accessible place. Manual operation is to be attempted only when the  
operator is not moving the gate under power.  
INSTALL SAFETY DEVICES: In residential applications or in  
areas where pedestrians may be present, or if your gate closes  
automatically, be sure an electric edge(s) and/or a photoelectric sensor(s)  
has (have) been installed and is/are operating properly. These features are  
intended to detect pedestrian traffic and prevent injury or entrapment.  
Loop detectors may be installed to detect vehicular traffic and prevent  
vehicular damage.  
Sensor, Open Contact Sensor input or an Open Overload activation will  
cause the gate to stop, pause and reverse for approximately 2 inches in  
the Open direction.  
If the gate is moving in an Open direction a Stop or Alternate input will  
cause the gate to stop. A subsequent Alternate input will cause the gate  
to begin moving in the Close direction.  
BASIC OPERATIONAL GUIDE  
If the gate is fully closed an Open Button, Alternate, Radio or Free Exit  
input will cause the gate to begin moving in the open direction.  
If the gate is fully open a Close Button, Alternate, or Radio input will  
cause the gate to begin moving in the close direction.  
If the gate is moving in a Close direction a Close Non-Contact Sensor,  
Close Contact Sensor input or a Close Overload activation will cause  
the gate to stop, pause and reverse for approximately 2 inches in the  
Open direction.  
If the gate is moving in a Close direction an Open Button, Radio,  
Reversing, or Free Exit Loop input will cause the gate to stop, pause  
and reverse and run in the Open direction.  
Two sequential activations of the Overload detector (Open or Close  
direction) before the gate reaches a limit will cause the operator to go  
into the alarm mode. To reset the operator remove the obstruction and  
either use constant pressure on a control button connected to the OPEN  
or CLOSE input and move the gate to a fully open or closed position or  
turn off and restore the power to the operator.  
If the gate is moving in a Close direction a Stop Button or Alternate  
input will cause the gate to stop. A subsequent Alternate input will  
cause the gate to begin moving in the Open direction.  
104932  
If the gate is moving in an Open direction an Open Non-Contact  
ENTRAPMENT  
ZONE  
PINCH POINTS  
ENTRAPMENT  
ZONE  
ELECTRIC GATE EDGE  
Figure 26: Pinch Points  
25  
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MECHANICAL UNIT EXPLODED VIEW  
106359  
1
2
3
4
5
7
6
8
20  
9
19  
18  
10  
17  
11  
16  
14  
15  
13  
12  
Figure 27: GS4000 Mechanical Unit Exploded View  
26  
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MECHANICAL UNIT PARTS LIST  
ITEM #  
PART #  
010291  
104442  
010279  
010221  
104452  
010216  
104479  
010278  
010172  
010213  
010220  
010215  
010436  
010156  
010219  
010218  
010217  
010173  
102735  
010231  
DESCRIPTION  
RAIN SEAL RUBBER RING  
RAINSEAL PLATE  
1
2
3
OPERATOR COVER  
4
ROLLER CHAIN  
5
OUTPUT SHAFT  
6
SPROCKET, 1-1/4 SHAFT  
ARM STOP PALL  
7
8
OPERATOR FRAME  
9
MOTOR  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
PULLEY, 2 IN V BELT, 5/8 IN BORE  
V-BELT  
BEARING, 1-1/4 SFT  
ACTUATOR, LIMIT CAM  
LIMIT SWITCH  
PULLEY, 8 V-BELT, 5/8 BORE  
SPEED REDUCER  
TORQUE LIMITER  
HANDY BOX, 1-7/8 DEEP  
HANDY BOX COVER WITH LABEL & SCREWS  
CLUTCH DISC  
ARM KIT & CONTROL BOX EXPLODED VIEW & PARTS  
110159  
2
106360  
1
4
3
5
6
2
5
3
7
4
7
6
5
Figure 28: GS4000 Arm Kit Exploded View  
1
Figure 29: GS4000 Control Box Exploded View  
ITEM #  
PART #  
010667  
102928  
104476  
104448  
104475  
104474  
104473  
DESCRIPTION  
ITEM #  
PART #  
DESCRIPTION  
1
2
3
4
5
6
7
PADLOCK WITH KEYS  
1
2
3
4
5
6
7
109966  
110074  
100997  
010412  
100050  
005244  
109971  
CONTROL BOX W/COVER  
CONTROL BOARD  
HARDWARE BAG, ARM KIT  
ARM BRACKET  
ARM  
CIRCUIT BREAKER  
ON/OFF SWITCH  
ARM FITTING  
PCB STANDOFFS  
CRANK ARM  
115 VOLT TRANSFORMER  
COMPLETE PLATE ASSEMBLY  
CRANK ARM EXTENSION  
27  
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TECHNICAL SPECIFICATIONS  
DRIVE  
PHYSICAL  
60:1 Gearbox  
DRIVE SYSTEM:  
TORQUE LIMITER:  
24W x 30D x 3H  
PAD:  
OVERHEAD CLEARANCE:  
UNIT SIZE:  
21 Inch Minimum  
Mounted on Output Shaft,  
16-1/8 x 24-7/8 x 17-1/4  
Welded steel, Coated to UL Standards  
Molded Polyethylene  
150 lbs.  
1-1/4 Diameter Ball-Bearing Mounted  
OUTPUT SHAFT:  
LIMITS:  
FRAME:  
Independent Open & Close; Displaced  
Cam with Micro Switch  
COVER:  
SHIPPING WEIGHT:  
CAPACITIES  
1000 lbs.  
ELECTRICAL  
MAX. GATE WEIGHT:  
115 VAC, 60 Hz  
PRIMARY VOLTAGE:  
18 Feet  
MAX. GATE WIDTH:  
One 3-Wire 15 AMP Service per  
ELECTRICAL SOURCE:  
60 Open/Close per Hour  
1200 Open/Close per Day  
MAX. CYCLES PER HOUR:  
12/24 VDC  
24 VAC  
CONTROL VOLTAGE:  
RADIO RECEIVER  
POWER:  
13-15 Seconds for 90º Opening  
GATE SPEED:  
1/2 HP, 4.4 AMP PSC, Instant Reversing  
MOTOR:  
Specifications subject to change without notice. Consult the factory.  
Manufacturer’s Limited Warranty  
Allstar warrants its gate operators to be free from defect in material and workmanship for a period of five (5) years from the date of purchase  
for single family home use and three (3) years from the date of purchase for multi-family and commercial use. This warranty covers all  
components except the electronic circuit boards which are warranted for three (3) years from the date of purchase for single family home use  
and two (2) years from the date of purchase for multi-family and commercial use. To obtain service contact your dealer.  
To obtain service under this warranty the buyer must obtain authorization instructions for the return of any goods from Allstar before  
returning the goods. The goods must be returned with complete identification, with copy of proof-of-purchase, freight prepaid and in  
accordance with Allstar’s instructions or they will not be accepted. In no event will Allstar be responsible for goods returned without proper  
authorization or identification.  
Goods returned to Allstar for warranty repair within the warranty period, which upon receipt by Allstar are confirmed to be defective and  
covered by this limited warranty, will be repaired or replaced at Allstar’s sole option, at no cost and returned pre-paid. Defective parts will  
be repaired or replaced with new or factory rebuilt parts at Allstar’s sole option.  
This limited warranty does not cover non-defect damage, damage caused by unreasonable use, damage caused by improper installation or  
care, vandalism or lightning, fire or excessive heat, flood or other acts of God (including, but not limited to misuse, abuse or alterations,  
failure to provide reasonable and necessary maintenance), labor charges for dismantling or reinstalling a repaired or replaced unit, or  
replacement batteries.  
These warranties are in lieu of all other warranties, either expressed or implied. All implied warranties of merchantability and/or fitness for a  
particular purpose are hereby disclaimed and excluded. Under no circumstances shall Allstar be liable for consequential, incidental or  
special damages arising in connection with the use or inability to use this product. In no event shall Allstar’s liability for breach of warranty,  
breach of contract, negligence or strict liability exceed the cost of the product covered hereby. No person is authorized to assume for Allstar  
any other liability in connection with the sale of this product.  
This warranty gives you specific legal rights. You may also have other rights which vary from state to state. Warranty effective after May  
15th, 1997.  
This Gate Operator is built in the USA and  
complies with all requirements of  
Underwriters' Laboratories Standard UL-325.  
P/N 110135 Rev. D December 2003  
c.p. Allstar Corporation  
Downingtown, PA 19335  
28  
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