Liftmaster SL 1000-B1 User Manual
Doc 6001204 (01-20260)
INSTALLATION AND OPERATION INSTRUCTIONS
Rev C
MODEL
SLIDE GATE OPERATOR
FOR THE
SL 1000-B1
(-68 BOARD)
TABLE OF CONTENTS
SAFETY SUMMARY..................................................................................................................1
BASIC INSTALLATION HINTS AND RULES...........................................................................2
PART 1 SITE PREPARATION ..................................................................................................3
A. LOCATION AND LAYOUT....................................................................................................3
B. PAD AND MOUNT................................................................................................................4
C. POWER WIRING..................................................................................................................5
D. LOOP DETECTORS.............................................................................................................5
E. OTHER CONNECTIONS......................................................................................................5
PART 2 SYSTEM INSTALLATION............................................................................................6
A. MOUNTING GATE OPERATOR........................................................................................... 6
B. CONNECTING POWER........................................................................................................8
C. RUNNING INPUT WIRING................................................................................................... 8
D. SETTING GATE OPEN DIRECTION SWITCHES (S2, S3)...................................................8
E. POWER UP PROCEDURE................................................................................................... 9
F. USING MANUAL CONTROLS..............................................................................................9
G. SETTING LIMIT CAMS ....................................................................................................... 10
H. GATE SENSITIVITY ADJUSTMENTS................................................................................ 11
I. SETTING GATE CONTROL SWITCH S1 AND RECLOSE TIMER POT R94...................... 13
J. POWER FAIL OPERATION OPT ION CONNECTI ON ..........................................................15
K. CONNECTING INPUT WIRING.......................................................................................... 16
L. POST INSTALLATION PROCEDURES..............................................................................17
M. FINAL ASSEMBLY OF GATE OPERATOR........................................................................ 20
PART 3 MODEL SL 1000-B1 OPTIONS..............................................................................21
A. LIFTMASTER LOOP DETECTOR BOARDS.......................................................................21
B. POWER FAIL OPERATION OPTION..................................................................................21
PART 4 TROUBLESHOOTING AND MAINTENANCE........................................................22
A. TROUBLESHOOTING........................................................................................................ 22
B. FAULT LIST........................................................................................................................ 26
C. FAULTS AND THEIR CAUSES..........................................................................................26
D. MAINTENANCE..................................................................................................................28
APPENDIX A SYSTEM OPERATION REFERENCE ...........................................................31
APPENDIX B MODEL SL 1000-B1 PARTS LIST ................................................................37
GLOSSARY.............................................................................................................................38
NOTICE TO CANADIAN USERS............................................................................................39
Rev C Doc 6001204 (01-20260)
The Model SL 1000-B1
The LiftMaster model SL 1000-B1 Slide Gate Operator is a full featured commercial gate operator with
a master/slave wiring capability. The SL 1000-B1 contains the following features:
• Dynamic motor braking limits gate overtravel.
• Alternate action OPEN/CLOSE inputs.
• Manual switch inputs override other commands.
• Adjustable reclose timer.
• Gate lock relay can be used for electromagnetic locks and CCTV cameras or
lights.
• Master-slave operation for two operators on bi-part gates and vehicle trap
gates.
• Selectable anti-tailgate function prevents two cars from entering on one open
command.
• Open Motor detec tion indicates when the motor is not drawing any current.
• Senses obstructions through adjustable Peak motor current sense.
• Two separate peak motor current sense adjustments for reversing direction
or stopping; one for left motion and the other for right motion.
• Initial inrush current sense adjustment offsets initial inrush current to the
motor.
• Automatic fault Re-Try causes the gate operator to retry an operation twice
following a fault condition.
• Selectable Automatic Gate Closure feature closes the gate when power is
restored after an outage unless gate is at open limit, to ensure safe use of the
hand crank.
• Two 115 VAC accessory plugs provided.
• 24 VAC accessory power provided.
• A 30:1 gearbox is used to prevent the gate from being pushed open.
• Controls any gate travel distance up to 45 feet.
• Handles any gate weight up to 1000 pounds.
• Standard size 40 chain is provided.
• Diagnostic LEDs on controller board indicate gate operator actions and assist in
troubleshooting.
• Power Fail Operation option automatically opens or closes the gate (user's
choice) if AC power fails.
• Optional loop detector add-on boards plug into the controller board for
Interrupts, shadow and exit loops.
• Inside and outside Interrupt Loops enhance gate control and distinguish
between entering and exiting traffic.
DIMENSIONS WEIGHT ELECTRICAL
Height 25½” 107 Lbs. 115 VAC, Single Phase, 60 Hz., 8 amp
Width 15” (121 Lbs. with Power (A separate 20 AMP circuit is
Depth 21” Fail Operation option.) required by most codes.)
7 Lbs. Accessory Kit
Rev C Doc 6001204 (01-20260)
SAFETY SUMMARY
It is important for everyone involved in the installation and operation of the LiftMaster model SL
1000-B1 Slide Gate Operator reads the following warnings.
WARNING!
• A vehicle gate is a large, heavy object that is moved by an electric motor. A moving
gate can cause serious injury or death! The safety and well-being of others depends
on the installation of a safe system.
• Improper installation of a gate operator can result in a dangerous system.
• Gate operators can present serious hazards to persons in the immediate area when
not controlled in a safe manner. Choose one or more controls that together will allow
complete control of the gate. Most importantly, the gate must be able to be stopped
at all times in case of emergency, and the emergency control should be conveniently
located, clearly marked and visible.
• All controls must be kept out of the reach of small children. Serious injury or death
can result from children playing with the controls.
• All controls should be located so the person operating them can see the full area of
gate movement.
• Gate operators and associated control equipment should be installed by qualified
professional installers who should observe the following safe installation procedures:
1. Power should always be disconnected whenever installing, wiring or servicing a
gate operator. Moving chains in gate operators can catch clothing or fingers and
cause severe injury.
2. Installation of wiring should comply with local building and electrical codes.
3. All manual gate locks should be disabled to avoid damage to the gate or gate
operator should the lock become engaged after the operator is installed.
4. All operator controls and safety equipment should be tested at the conclusion of
installation to be sure they are functioning properly.
5. The operation of the gate controls and safety equipment should be reviewed with
the owner and/or end user of the automated gate system. They should also be
informed of the need to maintain control and safety equipment on a regular basis.
Safety equipment should be checked monthly to ensure it is working properly. All
installation manuals and safety information should be left with the owner.
6. Moving gates have pinch points and entrapment zones which can be extremely
dangerous to pedestrians, especially small children.
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BASIC INSTALLATION HINTS AND RULES
PLEASE READ THIS SECTION CAREFULLY BEFORE BEGINNING YOUR INSTALLATIO N.
The sections that follow contain detailed procedures for installation of a model SL 1000-B1 system. In addition
to these specific procedures, there are a number of general hints and rules which will help ensure that your
installation will be done correctly and efficiently. These are discussed below.
1. UNDERSTAND THE SYSTEM AND INSTALLATION SITE THOROUGHLY. The SL 1000-B1 is a flexible
and reliable gate operator system, but the quality of service depends directly on the quality of installation.
Please read these instructions carefully and study the applicable diagrams before planning your
installation. In particular, understand any site characteristics that may affect the system installation.
WARNING
2. INSTALL PERMANENT WIRING. U.L. specifications require the SL 1000-B1 system to be permanently
wired. Refer to your local wiring code for specific information.
WARNING: Damage caused by faulty wiring is not covered by warranty.
3. GROUND THE SYSTEM. The system contains parts which may be damaged by static discharge. A
proper earth ground connected to the gate operator housing (see Figure 11) will significantly reduce the
chances of damage or improper operation. The shielding in the cables specified for all remote sensors and
controls should also be connected to earth ground at the controller end of the cable only.
To be effective, the ground connection must be made by running 12 awg copper wire to a good ground
point (e.g., an electrical panel, a metallic cold water pipe that runs into the earth, or a grounding rod at least
10 feet in length that is driven into the earth) within 12 feet of the system. Even if you have a good earth
ground, you should try to discharge any static before handling the circuit boards.
WARNING: Damage caused by static discharge and lightning is not covered by warranty.
4. PROVIDE POWER FROM A DEDICATED SOURCE. The outlet into which you connect the Gate
Operator should be wired to its own circuit breaker. This will reduce the line noise introduced into system
power and minimize the risk of having other equipment interrupt system operation. In a Master/Slave
system, Master and Slave must each have separate circuits.
5. DO NOT OVERLOAD THE TERMINAL BLOCKS. The terminal blocks used in the gate operator are
removable and the pins are soldered into the boards. To connect your wires, remove the "head" from the
correct terminals and open the screws. Insert the wire into the correct opening on the front and tighten the
screw until the wire is held firmly. When you have made all connections for a given "head", plug it back
onto the pins designated for that terminal block.
Stranded wire must be between 16 and 24 awg. Solid wire must be between 18 and 24 awg. This is the
total thickness measurement so, if you are putting two wires in, the combined thickness must fall within this
range. NEVER try to insert more than two wires per terminal.
6. ENSURE GOOD CONNECTIONS. A light tug on the wire will tell you if the connection is secure. When
reconnecting system components, make sure all pins are straight on chips, connectors, and terminal block
heads.
7. READ THE MARKINGS CAREFULLY. The connection points are marked on the boards clearly. Before
making any connection, be sure to read the marking and check it against the corresponding figure in these
instructions so that you understand the connection you are making.
8. TRAIN YOUR CUSTOMERS THOROUGHLY. Although customer responsibility is limited to proper
installation, the quality of service is determined by the care of system setup. Ensure that the customer has
a copy of this manual to guide them. It will save you and them lots of inconvenience and aggravation later.
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A. LOCATION AND LAYOUT
Figure 1. Front Drive. Figure 2. Rear Drive.
PA RT 1
SITE PREPARATION
Figure 3. Mid Drive.
• Figures 1-3 show typical single gate installations. For location and layout details of Bi-Parting,
Bi-Parting Latch, Trap and Tandem gates, see B1 Series Master/Slave Systems (Doc. No.
6001378).
1. Always install the gate operator inside the fence line, never on the public side of the fence.
2. All manual controls and activating devices should be mounted at least 6 ft. away from the gate
to provide safety.
3. Allow enough clearance around the gate and the gate operator for installation and service.
4. The gate operator can provide front and rear drive configuration (Figures 1 and 2), and mid
drive can be used if the operator is post mounted and clearance is provided under the operator
for the chain anchor on the gate (Figure 3).
5. Center idlers may be required on the Mid Drive and Rear Drive configurations to keep the chain
from dragging on it self.
NOTE: Master links and tension adjusters are provided with the gate operator.
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B. PAD AND MOUNT
Figure 4. Pad And Track Ribbon.
Figure 5. Bolt Down Pattern. Figure 6. Conduit Entrance Areas.
1. The concrete pad must be sufficient to support the gate operator and the forces created by the
moving gate. LiftMaster recommends a pad 20” wide by 30” long by 24” deep (Figure 4).
2. The operator must be level and parallel to the gate, so the pad should be level and about 4”
above ground level to prevent water entrance.
3. Four anchor bolts are required to secure the gate operator to the pad. The mounting holes in
the gate operator are 5/8” in diameter. ½” x 3½ “ Red Head bolts are recommended (Figure 5).
4. Be sure to provide access for wiring conduits (Figure 6).
5. Track installation should be on concrete, not asphalt, and should be at least 10’’ wide and 6”
deep.
6. A 6” gate overlap at the open end of the gate when closed should be provided.
7. A 30” gate overlap at closed end of the gate when closed should be provided.
NOTE: In Figure 6, shading indicates acceptable areas for conduit stub access.
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C. POWER WIRING
1. Provide a separate conduit stub for the AC power.
2. Each gate operator requires a 115 VAC 20 AMP single phase circuit. NOTE: Master and
Slave units each require separate circuits to prevent false overcurrent faults (see B1 Series
Master/Slave Systems Doc. No. 6001378).
3. Be sure to pull a ground wire in the conduit for the connection to the gate operator. Do not rely
on metallic conduit for earth ground.
D. LOOP DETECTORS
1. The gate operator has a shelf that can support non-LiftMaster loop detector electronics. Power
for the loop detector can come from the auxiliary 115 VAC plugs in the gate operator or from
the 24 VAC provided by the gate operator control board.
2. Conduit provisions should be made for the “loop” wire entrance to the loop detector.
3. The shelf space provided is approximately 4” x 10” x 5” high. Shelf space on systems without
the Power Fail Operation Option is about 10" x 10" x 5".
NOTE: Optional LiftMaster-supplied loop detector add-on boards are available, both pre-installed
and for installation in the field. See Part 4, Model SL 1000-B1 Options.
E. OTHER CONNECTIONS
Provisions should be made for conduit entrance into the gate operator for Master/Slave wiring and
external activating devices such as key switches, telephone entry systems, etc.
INSTALLATION NOTES
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SYSTEM INSTALLATION
A. MOUNTING GATE OPERATOR
Figure 7. Mounting. Figure 8. Chain Height.
PA RT 2
Figure 9. Parallel Chain Location.
Figure 10. Anchor.
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A. MOUNTING GATE OPERATOR continued)
For safety reasons, the Power Fail Operation Option is shipped with the battery unconnnected to
the system. Do not connect the battery until all other installation and alignment procedures
have been completed. Failure to observe this warning may result in the Power Fail Operation
Option moving the gate at unexpected moments.
To avoid injury, always turn off the unit power switch before working on gate.
1. Remove the 4 protective bolts that hold the cover on, lift the cover off, and set aside.
2. Remove the assembly kit and parts.
3. Remove the 4 bolts that attach the gate operator to the shipping pallet.
4. Mount gate operator on the cement pad using the previously installed anchors. Be sure the
operator mounting is level and the chain face is parallel to gate movement (Figures 7 and 8).
5. Move the idler wheel mounting if required by this specific installation.
6. Install the chain using master links and chain anchors.
7. Ensure the chain is parallel to gate travel both horizontally and vertically (Figure 9).
8. Check chain tension and use the jam nut to secure the chain anchor and to prevent the chains
from loosening and twisting (Figure 10).
9. Connect the power conduit into the switch box.
WARNING
INSTALLATION NOTES
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B. CONNECTING POWER
Ensure that the AC power circuit breaker is turned off
before wiring power to the switchbox.
Run power cables through conduit to Gate Operator, then
connect wires to the switch box as shown in Figure 11:
1. Wire nut the hot (black) wire to the black pig tail.
2. Wire nut the neutral (white) wire to the white pig tail.
3. Wire nut the ground (green) wire to the green pig tail.
4. Dress all wiring inside the switch box and install cover.
C. RUNNING INPUT WIRING
1. Remove the plastic control box cover.
2. Run wires from input components and Master/Slave conduits into control box.
3. For Master/Slave wiring, refer to B1 Series Master/Slave Systems
(Doc. No. 6001378).
CAUTION
Figure 11. AC Wiring.
WARNING
Route but do not connect input wires at this time. If inputs are connected now, the gate operator
may activate at random during installation, potentially injuring installation personnel.
D. SETTING GATE OPEN DIRECTION SWITCHES (S2, S3)
Figure 12. Gate Direction, Power Fail Option Switch Location.
The gate motion left to right is determined by looking at the gate from the gate operator side.
1. Gate opening direction is set by switch S2, located on the control board. The switch is sensed only
on power up, so it should be set when the power is off.
2. Ensuring power is off, set switch S2 to the right for a Right Gate, or to the left f or a Left Gate.
If the system was ordered with the Power Fail Operation option:
3. The power failure gate opening direction is set by switch S3, located next to switch S2 on the
control board.
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E. POWER UP PROCEDURE
1. Turn on circuit breaker that provides power to gate operator.
2. On Manual Input Terminal TB2, connect the STOP terminal to the COMMON terminal (see
Figure 13).
3. Turn on gate operator power switch and verify that the row of LEDs on the right side of the
controller board all turn on, then turn off sequentially, starting from the bottom. The only LEDs
that should remain on are Power ON, MAGLOCK, and CLOSE LIMIT or OPEN LIMIT, if one of
the limit switches are engaged.
NOTE: If the LEDs do not follow this pattern, the controller board may not be working
correctly. Stop installation and call LiftMaster Technical Support for assistance.
4. On Manual Input Terminal TB2, disconnect the STOP terminal from the COMMON terminal.
F. USING MANUAL CONTROLS
Figure 13. Manual Controls, Location and Use.
Use the manual controls on Manual Input Terminal TB2 (OPEN, CLOSE, and STOP, as shown in
Figure 13), to move the gate for limit cam adjustments.
• To open the gate: connect the OPEN and STOP terminals to the COMMON terminal.
• To close the gate: connect the CLOSE and STOP terminals to the COMMON terminal.
• To stop the gate: disconnect the STOP terminal from the COMMON terminal.
IMPORTANT NOTE
If the STOP terminal is disconnected from the COMMON terminal, the gate is prevented
from moving and no command will affect the gate.
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G. SETTING LIMIT CAMS
• The left limit cam is close to the gearbox. The right limit is close to the end of the shaft (see
Figure 14).
• Limit cams are adjusted by releasing the cam lock plate, rotating the cams, then reseating the
cam lock plate. When the adjustment is finished, be sure the cam lock plate is seated into the
notches of BOTH cams.
•
Each cam rotation (360o) equals 11” of gate travel. Each cam notch equals 5/8” of gate travel.
Figure 14. Limit Cam Setting.
NOTE: The following procedures are for FRONT drive gates. For MID and REAR drive
gates, reverse Left Gate and Right Gates procedures.
1. SETTING RIGHT GATE LIMIT CAMS (gate opens right, seen from the gate operator side)
1. Make sure that switch S1 is set to the "Right" position.
2. Turn on gate operator power switch.
3. Using manual OPEN and STOP, move the gate to its proper open limit position.
4. Rotate the Left cam ( until it just barely closes the limit switch.
5. Using manual CLOSE and STOP, move the gate to its proper closed limit position.
6. Rotate the Right cam until it just barely closes the limit switch.
7. Open and close the gate to check the limit cam settings. If required, readjust the limit cams
until they are set properly.
2. SETTING LEFT GATE LIMIT CAMS (gate opens left, seen from inside the property)
1. Make sure that switch S1 is set to the "Left" position.
2. Turn on gate operator power switch.
3. Using manual OPEN and STOP, move the gate to its proper open limit position.
4. Rotate the Right cam until it just barely closes the limit switch.
5. Using manual CLOSE and STOP, move the gate to its proper closed limit position.
6. Rotate the Left cam until it just barely closes the limit switch.
7. Open and close the gate to check the limit cam settings. If required, readjust the limit cams
until they are set properly.
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