Liftmaster Heavy Duty Gate Operator Sl585 Users Manual

2015-01-21

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CO
NT
RO
LL
ER

BO
AR
D

MODEL SL585

HEAVY DUTY SLIDE GATE OPERATOR

MODEL SL595
2 YEAR WARRANTY
Serial # ________________________
(located on electrical box cover)
Installation Date __________________

HEAVY DUTY, HARSH ENVIRONMENT
SLIDE GATE OPERATOR
MODELS SL585 AND SL595 ARE FOR VEHICULAR
PASSAGE GATES ONLY AND ARE NOT INTENDED FOR
PEDESTRIAN PASSAGE GATE USE

TABLE OF CONTENTS
OPERATOR SPECIFICATIONS

IMPORTANT NOTES

Carton Inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Operator Dimensions and Horsepower Chart . . . . . . . . . . . . . . .3
UL325 Model Classifications . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

• BEFORE attempting to install, operate or maintain the operator,
you MUST read and fully understand this manual and follow all
safety instructions.
• DO NOT attempt repair or service of your commercial door and
gate operator unless you are an Authorized Service Technician.

OPERATOR WARNINGS
Safety Installation Information . . . . . . . . . . . . . . . . . . . . . . . . . .5
Suggested Entrapment Protection Device Locations . . . . . . . . . .6
Safety Precautions for Open Roller Gates . . . . . . . . . . . . . . . . . .7
Warning Sign Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

WARNING

WIRING

Mechanical

Power Wiring Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

CAUTION
WARNING
WARNING
Electrical
WARNING
CAUTION

INSTALLATION

WARNING

Pad Mounting (SL585 & SL595) . . . . . . . . . . . . . . . . . . . . . . . . .9
Post Mounting (SL585 & SL595) . . . . . . . . . . . . . . . . . . . . . . .10
Install Gate Bracket and Drive Chain . . . . . . . . . . . . . . . . . . . . .11
On/Off Switch Power Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Manual Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

CAUTION

ADJUSTMENT
Limit Switch Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
RPM Sensor Adjustment (Hall Effect) . . . . . . . . . . . . . . . . . . . .13
Gate System Test Procedures . . . . . . . . . . . . . . . . . . . . . . . . . .13
Vent Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
UL325 Entrapment Protection . . . . . . . . . . . . . . . . . . . . . . .14-15
Control Board Illustration . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Program Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Control Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . .17
Accessory Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18-19
Sequenced Access Management System . . . . . . . . . . . . . . . . .20

When you see these Safety Symbols and Signal Words on the
following pages, they will alert you to the possibility of SERIOUS
INJURY or DEATH if you do not comply with the warnings that
accompany them. The hazard may come from something
mechanical or from electric shock. Read the warnings carefully.
When you see this Signal Word on the following pages, it will
alert you to the possibility of damage to your gate and/or the gate
operator if you do not comply with the cautionary statements that
accompany it. Read them carefully.

OPERATION AND MAINTENANCE
Operator Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Friction Clutch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Solenoid Actuated Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Control Board Programming and Features . . . . . . . . . . . . . .22-23
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24-25
Single Phase Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Single Phase Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . .27
Three Phase Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Three Phase Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .29

CARTON INVENTORY
Before beginning your installation check that all components
were provided and received undamaged. Refer to list below
for factory provided parts.
HARDWARE KIT
SL585/SL595 (K77-34846)

REPAIR PARTS
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Electrical Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Repair Parts - Model SL585 . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Illustrated Parts - Model SL585 . . . . . . . . . . . . . . . . . . . . . . . . .33
Repair Parts - Model SL595 . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Illustrated Parts - Model SL595 . . . . . . . . . . . . . . . . . . . . . . . . .35
Safety Accessories for Secondary Entrapment Protection . . . .36
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Description
Safety Gate Brochure
Gate Bracket
Take-Up Bolt
Nickel Plated Chain #50
U-Bolt 2" 5/16-18
U-Bolt 3" 3/8-16
Square Head Set Screw 7/16-14
Hex Nut 1/2-13
Flange Nut 5/16"-18
Flange Nut 3/8"-16
Flat Washer 3/8"
Flat Washer 1/2"
Lock Washer 1/2"

Qty.
1
2
2
1
4
4
4
4
8
8
8
4
4

O P E R AT O R D I M E N S I O N S A N D H O R S E P O W E R C H A R T
MODEL SL585
• 1/2 HP Motor
Maximum Gate Speed – 11"/sec. (27.9 cm/sec.)
Maximum Gate Weight – 1000 lbs. (453.6 kg)
Maximum Cantilever Gate Width – 25 ft. (7.6 m)
Maximum Overhead Roller Gate Width – 45 ft. (13.7 m)
Maximum V-Track Gate Width – 35 ft. (10.7 m)

28.9"
(73.4 cm)
27.5"
(69.9 cm)

• 1 HP Motor
Maximum Gate Speed – 11"/sec. (27.9 cm/sec.)
Maximum Gate Weight – 1600 lbs. (725.8 kg)
Maximum Cantilever Gate Width – 35 ft. (10.7 m)
Maximum Overhead Roller Gate Width – 70 ft. (21.3 m)
Maximum V-Track Gate Width – 50 ft. (15.2 m)

17.2"
(43.7 cm)

37.7"
(95.8 cm)

14.1"
(35.8 cm)

12.9"
(32.8 cm)

14.9"
(37.9 cm)

Opposite Gate Side

MODEL SL595
• 1/2 HP Motor
Maximum Gate Speed – 12"/sec. (30.5 cm/sec)
Maximum Gate Weight – 1100 lbs. (499 kg)
Maximum Cantilever Gate Width – 25 ft. (7.6 m)
Maximum Overhead Roller Gate Width – 45 ft. (13.7 m)
Maximum V-Track Gate Width – 35 ft. (10.7 m)

16.5"
(41.9 cm)
13.5"
(34.3 cm)

24"
(61 cm)

• 1 HP Motor
Maximum Gate Speed – 12"/sec. (30.5 cm/sec)
Maximum Gate Weight – 1700 lbs. (771.1 kg)
Maximum Cantilever Gate Width – 35 ft. (10.7 m)
Maximum Overhead Roller Gate Width – 70 ft. (21.3 m)
Maximum V-Track Gate Width – 50 ft. (15.2 m)

30"
(76.2 cm)

• 2 HP Motor
Maximum Gate Speed – 12"/sec. (30.5 cm/sec)
Maximum Gate Weight – 2500 lbs. (1134 kg)
Maximum Cantilever Gate Width – 45 ft. (13.7 m)
Maximum Overhead Roller Gate Width – 90 ft. (27.4 m)
Maximum V-Track Gate Width – 60 ft. (18.3 m)

12" Min.
(30.5 cm)

Gate Side

22.5"
(57.2 cm)

Allow
For
Door
Opening

3" (7.6 cm) Dia. Pipe
(Not Provided)

U L 3 2 5 M O D E L C L A S S I F I C AT I O N S
CLASS I – RESIDENTIAL VEHICULAR GATE OPERATOR
A vehicular gate operator (or system) intended for use in a home of one-to four single family dwellings,
or a garage or parking area associated therewith.

CLASS II – COMMERCIAL/GENERAL ACCESS VEHICULAR GATE OPERATOR
A vehicular gate operator (or system) intended for use in a commercial location or building such as a
multi-family housing unit (five or more single family units) hotel, garage, retail store or other building
servicing the general public.

CLASS III – INDUSTRIAL/LIMITED ACCESS VEHICULAR GATE OPERATOR
A vehicular gate operator (or system) intended for use in a industrial location or building such as a
factory or loading dock area or other location not intended to service the general public.

CLASS IV – RESTRICTED ACCESS VEHICULAR GATE OPERATOR
A vehicular gate operator (or system) intended for use in a guarded industrial location or building such
as an airport security area or other restricted access locations not servicing the general public, in which
unauthorized access is prevented via supervision by security personnel.
UL325 ENTRAPMENT PROTECTION REQUIREMENTS

SAFETY ACCESSORY SELECTION
All UL325 compliant LiftMaster gate operators will accept external
entrapment protection devices to protect people from motorized
gate systems. UL325 requires that the type of entrapment
protection correctly matches each gate application. Below are the
six types of entrapment protection systems recognized by UL325
for use on this operator.

GATE OPERATOR ENTRAPMENT PROTECTION
UL325
Installation
Class

ENTRAPMENT PROTECTION TYPES
Type A: Inherent obstruction sensing system, self-contained
within the operator. This system must sense and initiate
the reverse of the gate within two seconds of contact
with a solid object.
Type B1: Connections provided for a non-contact device, such as
a photoelectric eye can be used as a secondary
protection.
Type B2: Connections provided for a contact sensor. A contact
device such as a gate edge can be used for secondary
protection.
Type C: Inherent adjustable clutch or pressure relief valve.
Type D: Connections provided for a control
requiring continuous pressure to
operate the operator open and close.
Type E: Built-in audio alarm. Examples
include sirens, horns or buzzers.
Moving Gate Can Cause
Injury or Death
NOTE: UL requires that all installations must
KEEP CLEAR! Gate may move at any
time without prior warning.
have warning signs placed in plain view on
Do not let children operate the gate or
play in the gate area.
both sides of the gate to warn pedestrians of This entrance is for vehicles only.
Pedestrians must use separate entrance
the dangers of motorized gate systems.

Slide Gate Operator

Swing & Gate Barrier
(Arm) Operator

Primary
Type

Secondary
Type

Primary
Type

Secondary
Type

Class
I & II

B1, B2
or D

A or C

A, B1, B2,
or C

Class III

A, B1 or
B2

A, B1, B2,
D or E

A, B1, B2
or C

A, B1, B2,
C, D or E

Class IV

A, B1, B2
or D

A, B1, B2,
D or E

A, B1, B2,
C or D

A, B1, B2,
C, D or E

The chart above illustrates the entrapment protection
requirements for each of the four UL325 classes.
In order to complete a proper installation you must satisfy the
entrapment protection chart shown above. That means that
the installation must have one primary means of entrapment
protection and one independent secondary means of
entrapment protection. Both primary and secondary
entrapment protection methods must be designed, arranged
or configured to protect against entrapments in both the open
and close directions of gate travel.
For Example: For a slide gate system that is installed on a
single-family residence (UL325 Class I) you must provide the
following: As your primary type of entrapment protection you
must provide Type A inherent (built into the operator)
entrapment sensing and at least one of the following as your
secondary entrapment protection: Type B1- Non-contact
sensors such as photoelectric eyes, Type B2- Contact sensors
such as gate edges or Type D- Constant pressure control.
4

S A F ET Y I N S TA L L AT I O N I N F O R M AT I O N
1. Vehicular gate systems provide convenience and security. Gate systems are comprised of many component parts. The gate
operator is only one component. Each gate system is specifically designed for an individual application.
2. Gate operating system designers, installers and users must take into account the possible hazards associated with each individual
application. Improperly designed, installed or maintained systems can create risks for the user as well as the bystander. Gate
systems design and installation must reduce public exposure to potential hazards.
3. A gate operator can create high levels of force in its function as a component part of a gate system. Therefore, safety features
must be incorporated into every design. Specific safety features include:
• Gate Edges
• Guards for Exposed Rollers
• Photoelectric Sensors
• Screen Mesh
• Vertical Posts
• Instructional and Precautionary Signage
4. Install the gate operator only when:
a. The operator is appropriate for the construction and the usage class of the gate.
b. All openings of a horizontal swing gate are guarded or screened from the bottom of the gate to a minimum of 4' (1.2 m) above
the ground to prevent a 2-1/4" (57.15 mm) diameter sphere from passing through the openings anywhere in the gate, and in
that portion of the adjacent fence that the gate covers in the open position.
c. All exposed pinch points are eliminated or guarded, and guarding is supplied for exposed rollers.
5. The operator is intended for installation only on gates used for vehicles. Pedestrians must be supplied with a separate access
opening.
6. The gate must be installed in a location so that enough clearance is supplied between the gate and adjacent structures when
opening and closing to reduce the risk of entrapment. Swinging gates shall not open into public access areas.
7. The gate must be properly installed and work freely in both directions prior to the installation of the gate operator.
8. Controls must be far enough from the gate so that the user is prevented from coming in contact with the gate while operating the
controls.
9. Controls intended to be used to reset an operator after 2 sequential activations of the entrapment protection device or devices
must be located in the line of sight of the gate, or easily accessible controls shall have a security feature to prevent unauthorized
use.
10. All warning signs must be installed where visible, on each side of the gate.
11. For a gate operator utilizing a non-contact sensor:
a. See instructions on the placement of non-contact sensor for each type of application.
b. Care shall be exercised to reduce the risk of nuisance tripping, such as when a vehicle trips the sensor while the gate is still
moving.
c. One or more non-contact sensors shall be located where the risk of entrapment or obstruction exists, such as the perimeter
reachable by a moving gate or barrier.
12. For a gate operator utilizing a contact sensor such as an edge sensor:
a. A hard wired contact sensor shall be located and its wiring arranged so the communication between the sensor and the gate
operator is not subject to mechanical damage.
b. A wireless contact sensor such as the one that transmits radio frequency (RF) signals to the gate operator for entrapment
protection functions shall be located where the transmission of the signals are not obstructed or impeded by building
structures, natural landscaping or similar obstruction. A wireless contact sensor shall function under the intended end-use
conditions.
c. One or more contact sensors shall be located at the leading edge, trailing edge and post mounted both inside and outside of a
vehicular horizontal slide gate.
d. One or more contact sensors shall be located at the bottom edge of a vehicular vertical lift gate.
e. One or more contact sensors shall be located on the inside and outside leading edge of a swing gate. Additionally, if the bottom
edge of a swing gate is greater than 6" (152 mm) above the ground at any point in its arc of travel, one or more contact sensors
shall be located on the bottom edge.
5

S U G G E S T E D E N T R A P M E N T P R O T E C T I O N D E V I C E LO C AT I O N S
GATE SYSTEM (MASTER/SECOND SLIDE GATE)
Open
Edge
Gate 1
Photo Eyes for
Open Cycle
Close
Edge

Run Twisted Wire
from Loop
to Operator

STREET

Seal Loops

Interrupt
(Safety)
Loop

Gate 2

1-1/2" (37 mm)
4' (1.2 m)
Typical

Open
Edge

4' (1.2 m)
Typical

Loop Wire Layer

Interrupt
(Safety)
Loop

1/4" (6 mm) or Larger
Depending on Loop
Wire Size

COMPLEX
OR
PARKING LOT

6' (1.8 m)

12'
(3.7 m)

4' (1.2 m)
Typical

Photo Eyes for
Close Cycle

Photo Eyes for
Open Cycle

GATE SYSTEM (COMMERCIAL SLIDE GATE)
Telephone
Entry
System

Open
Edge
Close
Edge

STREET

Run twisted wire
from Loop
to Operator*

4'
8'

Interrupt
(Safety)
Loop
Photo eye for
close cycle

Photo eye for
open cycle

Seal Loops*
1-1/2"

4'
Typical
4'
Typical

4'
Typical

Interrupt
(Safety)
Loop

COMPLEX
OR
PARKING LOT
6

Loop wire*
layer
1/4" or larger for Loop
wire width depending
on Loop wire size

SAFETY PRECAUTIONS FOR OPEN ROLLER GATES
Gate Edge on
Rear of Gate for
Open Direction

WARNING
• Injuries occur when people get their hands or feet caught
between the top or bottom of the gate and the gate roller.
These potential pinch-points should be guarded against at all
times. Enclosed style gate tracks are available for refitting of
these rollers from many fence suppliers. Also, roller guards
are available for installing over the rollers.
• UL325 requires that, when used, contact sensors shall be
located at the leading edge, trailing edge, and be post
mounted both inside and outside of a vehicular horizontal
slide gate. Non-contact sensors such as photo eyes must
protect during both open and close gate cycles.
• Injuries occur when people put their hands and arms
through openings in the grill while the gate is operating.
They cannot retract their arm and it gets caught between the
moving gate grill and the stationary fence post or fence. This
potential hazard can be averted by placing a 4' (1.2 m)
screen mesh on the gate to prevent access through openings
anywhere the gate may travel. See Safety Brochure for
details. To prevent entrapment injuries, mount controls at
least 6' (1.8 m) from the gate or any moving parts of the
gate.

CAUTION

Photo Beam
for Open
Direction

Gate Edge on Fence
Post for Open Direction

Gate Edge On
Leading Edge of Gate
For Close Direction

WARNING
Unit

Additional Post Mounted Gate
Edge for Close Direction

WARNING

Photo Beam for
Close Direction

Additional Post Mounted Gate
Edge for Open Direction

Pinch-Point
Hazard

Always Test Gate Edges And
Photo Beams Anytime They Are
Adjusted Or Serviced

Pinch-Point
Hazard

Gate Edge
For Open Direction

Gate Edge
For Close
Direction

Gate Edge
Vertical Post Placed On Both
Sides of the Exposed
Rollers Can Prevent Hands
From Reaching These
Pinch-points

Gate Edge for
Close Direction

DO NOT MOUNT ACCESSORIES THAT ARE
ACCESSIBLE THROUGH GATE!
WARNING SIGN PLACEMENT

WARNING

To prevent SERIOUS INJURY or DEATH from a moving gate:
• Install Warning signs on EACH side of gate in PLAIN VIEW.
• Permanently secure each Warning sign in a suitable
manner using fastening holes.

CAUTION

WARNING

NOT FOR USE AS PEDESTRIAN PASSAGE! This operator is
intended for vehicular use only. To prevent INJURY to
pedestrians, a separate pedestrian access should be supplied,
visible from the gate. Locate the pedestrian access where there is
not a chance of INJURY at any point during full movement of the
gate.

Moving Gate Can Cause
Injury or Death
KEEP CLEAR! Gate may move at any
time without prior warning.
Do not let children operate the gate or
play in the gate area.
This entrance is for vehicles only.
Pedestrians must use separate entrance

NING

W
IRING
WARNING

ION

WARNING
To reduce the risk of SEVERE INJURY or DEATH:
• ANY maintenance to the operator or in the area near the
operator MUST not be performed until disconnecting the
electrical power and locking-out the power via the operator
power switch. Upon completion of maintenance the area
MUST be cleared and secured, at that time the unit may be
returned to service.
• Disconnecting power at the fuse box BEFORE proceeding.
Operator MUST be properly grounded and connected in
accordance with local electrical codes. NOTE: The operator
should be on a separate fused line of adequate capacity.
• ALL electrical connections MUST be made by a qualified
individual.

• DO NOT install any wiring or attempt to run the operator
without consulting the wiring diagram. We recommend that
you Install an optional reversing edge BEFORE proceeding with
the control station installation.
• ALL power wiring should be on a dedicated circuit and well
protected. The location of the power disconnect should be
visible and clearly labeled.
• ALL power and control wiring MUST be run in separate
conduit.
• BEFORE installing power wiring or control stations be sure to
follow all specifications and warnings described below. Failure
to do so may result in SEVERE INJURY to persons and/or
damage to operator.

POWER WIRING INSTALLATION
Wiring Specifications (STRANDED COPPER WIRE)
On a Dual Gate System, each unit must be installed on ITS OWN separate circuits

WIRE GAUGE 6
• 1/2 HP Motor -----• 1 HP Motor---------• 2 HP Motor----------

SINGLE PHASE
115 Vac
230 Vac

230 Vac

THREE PHASE
460 Vac

575 Vac

425 ft. (129.5 m) 1845 ft. (562.4 m)
213 ft. (64.9 m) 852 ft. (259.7 m)

2557 ft. (779.4 m) 12789 ft. (3898.1 m) 15987 ft. (4872.8 m)
1278 ft. (389.5 m) 5115 ft. (1559.1 m) 7993 ft. (2436.3 m)
639 ft. (194.8 m) 2557 ft. (779.4 m) 4441 ft. (1353.6 m)

269 ft. (82 m) 1165 ft. (355.1 m)
134 ft. (40.8 m) 537 ft. (163.7 m)

1614 ft. (492 m)
807 ft. (246 m)
403 ft. (122.8 m)

168 ft. (51.2 m) 730 ft. (222.5 m)
84 ft. (25.6 m) 337 ft. (102.7 m)

1012 ft. (308.5 m) 5064 ft. (1543.5 m)
506 ft. (154.2 m) 2025 ft. (617.2 m)
252 ft. (76.8 m)
1012 ft. (308.5 m)

6330 ft. (1929.4 m)
3165 ft. (964.7 m)
1582 ft. (482.2 m)

105 ft. (32 m)
53 ft. (16.2 m)

634 ft. (193.2 m)
316 ft. (96.3 m)
157 ft. (47.9 m)

3964 ft. (1208.2 m)
1982 ft. (604.1 m)
990 ft. (301.8 m)

WIRE GAUGE 8
• 1/2 HP Motor -----• 1 HP Motor---------• 2 HP Motor----------

8072 ft. (2460.4 m) 10089 ft. (3075.1 m)
3228 ft. (983.9 m) 5044 ft. (1537.4 m)
1614 ft. (492 m)
2525 ft. (769.6 m)

WIRE GAUGE 10
• 1/2 HP Motor -----• 1 HP Motor---------• 2 HP Motor----------

WIRE GAUGE 12
• 1/2 HP Motor -----• 1 HP Motor---------• 2 HP Motor----------

458 ft. (139.6 m)
211 ft. (64.3 m)

3171 ft. (966.5 m)
1269 ft. (386.8 m)
634 ft. (193.2 m)

NOTE: Calculated using NEC guidelines. Local codes and conditions must be reviewed for suitability of wire installation. All power
wiring should be dedicated and protected. Location of primary power disconnect should be labeled.

I N S TA L L AT I O N
PAD MOUNTING (SL585 ONLY)

Figure 1

RETRO-FIT INSTALLATION
The operator is shipped from the factory with the lower mounting
angles configured out (Figure 1). If you have pad constrictions,
either angle can be unbolted and reversed to ‘angle in’.
NOTE: If you are replacing an SL580 and wish to use the same
pad mounting hardware, the gate side mounting angle must be
installed angle in.

Angle Out

Angle In

Figure 2

NEW INSTALLATION
CONCRETE PAD PREPARATION:
1. Lay out concrete pad. (Figure 2).
2. Locate electrical conduit, as required, prior to pouring
concrete.
3. Pour concrete pad.
4. Secure operator (Figure 3) to the concrete pad using four 1/2"
(1.3 cm) concrete anchors (not provided).

Rear of Gate
or Back Frame
Fence Line
1" (2.5 cm)
4" (10.2 cm)
10-7/8"
(27.6 cm)

18" (45.7 cm)

21-1/8" (53.7 cm)
7"
(17.8 cm)
36" (91.4 cm)

Concrete
Anchor Holes

Figure 3

Using Suitable Hardware
To Secure Operator To
Concrete Anchors

Concrete Pad

1/2" (12.7 mm)
Concrete Anchors
(4 Required)

Drive and Idler
SprocketToward
Gate Side

Power and Control
Wiring Should Be
Run In Separate Conduit

2" to 4"
(5.1 to 10.2 cm)
Above Grade

Depth Required By
Local Codes or
Below Frost Line

POST MOUNTING (SL585 AND SL595)
RETRO-FIT INSTALLATION
The operators come from the factory configured to mount to an
inside the frame post mount dimension of 26" (outside to outside
of posts). The frame comes slotted to accommodate posts 24
1/8" to 26", outside to outside (Figure 1).
NOTE: If you are replacing a SL580, the frame will require
adjustment to 24 1/8".

Figure 1

NEW INSTALLATION (FIGURES 2 AND 3)
1. Locate and anchor two posts made of 3" (7.6 cm) outer
diameter heavy walled pipe. Posts should be parallel and
square to the gate.
2. Locate electrical conduit, as required, prior to pouring
concrete.
3. Secure operator to posts using four 3" (7.6 cm) U-bolts and
hardware provided.

26" (66 cm)

Post to Post Adjustment

24 1/8" (61 cm)
End Post

Figure 2

Fence Line

Figure 2

Gate
8.5" (21.6 cm)
6" (15.2 cm)

Drive and Idler
Sprocket Toward
Gate Side

26" (66 cm)
Outside To Outside

3" (7.6 cm) Outside
Diameter Heavy
Wall Fence Pipe

Angle
Bracket

14" (35.6 cm) Min.

3" (7.6 cm) U-bolt
(4 required)

Ground Level
Depth As Required By
Local Codes or Below
Frost Line

SL585 ONLY
Power and Control
Wiring Should Be Run In
Separate Conduit

Figure 3

End Post

Drive and Idler
Sprocket Toward
Gate Side

Figure 3

Fence Line

3" (7.6 cm)
U-bolt
(4 required)

Gate
8.5" (21.6 cm)

24"
(61 cm)

6" (15.2 cm)
Inside to inside
3" (7.6 cm) Outside
Diameter Heavy
Wall Fence Pipe

12" (30.5 cm) Minimum
From Ground

39" (99.1 cm) Min.
Power and Control
Wiring Should Be Run
In Separate Conduit

Ground Level
Depth As Required By
Local Codes or Below
Frost Line

SL595 ONLY

SL595 ONLY
10

WARNING
INSTALL GATE BRACKET
AND DRIVE CHAIN

WARNING

CAUTION

WARNING

Figure 1
“Outside”

To prevent damage to the operator or gate, DO NOT drive the
limit (nuts) actuators on the shaft past their normal positions.

Gate
“Inside”

1. Mount gate brackets to the vertical front and rear posts of the
gate (Figure 1).
2. Remove the operator cover or open access door.
3. Locate and engage the manual disconnect and lock it in place
(refer to page 12).
4. Connect chain take-up bolt to the end of the chain and attach
to the rear gate bracket (Figure 2).
5. Ensure that the drive and idler sprockets are in line with each
other. Thread the chain through the plastic chain guide, around
drive and idler sprockets, and then through the second plastic
chain guide toward front gate bracket (Figure 3).
6. Adjust the chain to proper length and attach second take-up
bolt to chain end. Secure the take-up bolt to the front gate
bracket as shown.

2" (5.1 cm) U-bolts
With Lock Washers
and Nuts

Anti-Rotation
Set Screw

Gate Bracket

Figure 2

Adjust nuts on chain take-up bolts to remove chain slack. A
general rule of thumb is to leave a maximum of 1" (2.5 cm) of
chain slack for every 10' (3.1 m) of chain length.
Do not overtighten chain.
NOTE ABOUT SOME TYPES OF CANTILEVER GATES:
With some cantilever gates over 20' (6.1 m) long, you may need
to add a brace along the length of the gate to prevent the gate
from bowing when chain is tightened. This may also be required
on some styles of gates that are constructed out of aluminum. If
positioned properly, this brace can also be used as a chain
support.

*
* Gate brackets must be level and centered
with bottom of idler sprocket

Figure 3

Drive Sprocket

Gate Bracket

Gate Post

Idler Sprocket

Safety Bracket

Insert Chain Through Plastic Guides

AVAILABLE CONDUIT ACCESS FOR THE ELECTRICAL BOX
The accessory tray is equipped with several 1-1/2" pass though holes as well as 3/4" and 1" knock outs for conduit connectors. The
electrical box is equipped with 3/4" and 1" knock outs for conduit connectors.

ON/OFF SWITCH POWER WIRING
NOTES: Before running power wiring refer to wiring specifications on page 8 for correct wire gauges.
Secure all electrical power connections inside the disconnect switch electrical box. Refer to electrical wiring diagrams on pages 26-29.
SINGLE PHASE
All single phase 115V/208/230V operators will have the
following:
• L1 WHITE
• L2 BLACK
• GROUND, GREEN
115V SINGLE PHASE
POWER SWITCH ASSEMBLY

THREE PHASE
All three phase operators will have the following:
• L1 BLACK
• L2 BLACK
• L3 BLACK
• GROUND, GREEN

230V SINGLE PHASE &
THREE PHASE
POWER SWITCH ASSEMBLY

IMPORTANT NOTE: This operator is shipped from the factory as a right hand mounted unit, unit MUST be phased correctly. On three
phase operators, power connections must be properly phased. If phased incorrectly, the gate operator will run reversed. To correct this
situation, shut off power at main power source and at the operators electrical disconnect switch. Then reverse any two of the three
power leads.

MANUAL DISCONNECT
MODEL SL585
DISENGAGEMENT:

RE-ENGAGEMENT:

MODEL SL595
DISENGAGEMENT:

Rotate disconnect handle 90˚ to
disengage. The gate may now be
moved manually.
Rotate handle back to original
position. (Some operator output
sprocket rotation may be required for
engagement).

RE-ENGAGEMENT:

Pull the handle
to release

Open the hinged door and pull the
disconnect lever and lock it in place.
The gate my now be moved manually.
Release the lever and close the door.
(Some operator output sprocket
rotation may be required for
engagement).

ADJUSTMENT
LIMIT SWITCH ADJUSTMENT

WARNING

NOTE: Make sure the limit nuts are positioned between the limit
switch actuators before proceeding with adjustments.
1. Remove control panel cover and locate the limit switch
assembly.
2. Disengage the unit’s manual disconnect (page 12), then
manually open the gate to its full open position (Note direction
of limit nut travel).
3. Adjust the open limit nut by depressing the retaining bracket
to allow nut to spin freely. Adjust open limit nut so that it trips
the open limit switch. After adjustment, release plate and
ensure it seats fully in slots of both nuts.
4. Manually close the gate to its full closed position.
5. Disengage the retaining bracket and rotate the close limit nut
until it trips the close limit switch.
6. Re-engage the retaining bracket into both limit nuts and also
re-engage the manual disconnect.

To reduce the risk of SEVERE INJURY or DEATH:
• Disconnect power BEFORE performing ANY adjustments.

CAUTION

RPM SENSOR (HALL EFFECT) ADJUSTMENT
NOTE: Normally the RPM Sensor (hall effect) does not need
adjustment, but may go out of alignment due to shipping
vibration or rough handling.
These operators use an internal entrapment protector system.
This system consists of the control board, magnet, and
RPM sensor (hall effect). It may become necessary to adjust the
sensor for correct alignment. To do so please perform the
following steps:
1. The sensor must be
Vertical Adjustment
Screws
centered over the
Horizontal Adjustment
magnet wheel. Adjust
Screws
with horizontal screws.
2. The sensor must be
RPM Sensor (Hall Effect)
level.
3. The sensor air gap
.010 - .015"
should be adjusted to
(.25 - .38 mm)
Air Gap
.010 - .015 of an inch
(.25 - .38 mm). (The
Magnet
thickness of a business
card may be used to
gauge the correct
distance). Adjust with vertical screws.

LIMIT DIRECTION
DIRECTION OF
GATE TO OPEN

OPEN
LIMIT

CLOSE
LIMIT

RIGHT
(Factory Default)

LEFT

Limit Switch
Limit Nut A

Limit Switch
Limit Nut B
Retaining
Bracket
Depressed Plate

Each Notch of the Nut Indicates an
Estimated 1" (2.5 cm) of Gate Travel

GATE SYSTEM TEST PROCEDURES
Make sure that the gate’s path is clear from any obstructions and that all associated gate hardware is properly mounted and
secured.
1. With the power off, manually move the gate to the fully closed position.
2. At the closed position, turn the power on and observe the GL controller board’s diagnostic and limit LEDs. When power is turned on,
these LEDs should flash simultaneously for a few seconds.
3. Locate the 3-button control that is built into the electrical box.
4. Push the open button and observe the operator’s behavior. The gate should begin opening. If the operator fails to open or has
difficulty opening, refer to the troubleshooting section.
5. Once at the open limit, the gate will stop. Push the close button and observe the operator’s behavior. If the operator fails to close or
has difficulty closing, refer to the troubleshooting section.
6. While the gate is closing, push the stop button. The gate should now stop.
7. Push the close button to return the gate to the fully closed position.
13

INSTALL VENT PLUG
1. Remove fill plug from gear box.
2. Install vented plug provided with the hardware box.
3. Remove relief valve from the new vented plug.

Fill Plug

Drain Plug

UL325 ENTRAPMENT PROTECTION
PRIMARY ENTRAPMENT PROTECTION ADJUSTMENTS
Force Control
Set the force control pot such that the unit will complete a full
cycle of gate travel but can be reversed off an obstruction without
applying an unreasonable amount of force. On most operators
this will be around the middle of the range.

Force Control

GL Control Board

Max

Min

5 6 7 8 9 10

SECONDARY ENTRAPMENT PROTECTION ADJUSTMENTS
Terminals 9 & 5 - Obstruction While Opening
(Edge/Photo Eye Input)
Edge Input: See Programming Section on page 15.
This input will reverse an opening gate to the close limit.
Activating this input when the gate is closing will have no effect.
NOTE: If upon reversal a second separate obstruction is detected
(gate edge or RPM sensor), gate will stop and alarm.
Photo Eye Input: See Programming Section on page 15.
This input will pause an opening gate. Once the input (photo eye)
is cleared, the gate continues to open. Activating this input when
the gate is closing will have no effect.
Terminals 10 & 5 - Obstruction While Closing
(Edge/Photo Eye Input)
Edge Input: See Programming Section on page 15.
This input will reverse a closing gate to the open limit. When
reaching the open limit the timer to close, if enabled, will be
disabled until another command is given. Activating this input
when the gate is closing will have no effect.
NOTE: If upon reversal a second separate obstruction is detected
(gate edge or RPM sensor), gate will stop and alarm.
Photo Eye Input: See Programming Section on page 15.
This input will reverse a closing gate to the open limit. This input
will not affect the timer to close. Activating this input when the
gate is closing will have no effect.

Obstruction While Opening
(Edge/Photo eye with N.O. Contact)

N.O.

Transformer
Electrical
Box

5 6 7 8 9 10

Obstruction While Closing
(Edge/Photo eye with N.O. Contact)

N.O.

UL325 ENTRAPMENT PROTECTION (CONTINUED)
EDGE/PHOTO OPEN

EDGE/PHOTO CLOSE

This switch (S2-3) selects edge or photo sensor for the gate
opening protection input.

This switch (S2-4) selects edge or photo sensor for the gate
closing protection input.
(Factory Default)

PHOTO OPEN

PHOTO CLOSE

Dip Switch
Master/Second (S4)
Timer to Close

Force Adjustment

Dip Switch (S2)
Dip Switch (S1)
Diagnostic
LED

Connector (J2)

Limit LEDs
Connector SAMS (J5)

Motor Learn Button (S3)

Relay Drive Troubleshooting LEDs (D6)
Terminal Troubleshooting LEDs (D11)

Connector
Main Terminal
Wiring (J1)

Connector
Master/Second (J4)

OPED

CONTROL BOARD ILLUSTRATION

CLED

4
PH

MAG

WARN

ON
2

Close Edge: When the control
board is configured for safety
EDGE CLOSE
edges, the input functions to
S2
reverse the gate to the open limit
ON
when activated during the close
ON
cycle. The entrapment is not cleared
1 2 3 4
at the limit and the timer to close
will be disabled. The timer to close
may be enabled by activating the
interrupt (safety) loop, open or override open inputs.

OPED

CLED

MAG

WARN

Open Edge: When the control board is
configured for safety edges, the input
functions to reverse the gate to the close
limit when the edge is activated during
the opening cycle.

ON
ON
PH

EDGE OPEN

OPED

CLED

MAG

Close Photo Eye (Reverse): When
the control board is configured for
photo eyes, the input functions to
reverse the gate to the open limit
when activated during the close
cycle. Shown as factory default.
NOTE: Timer to close will reset if enabled.

WARN

CLED

OPED

MAG

WARN

Open Photo Eye (Pause): When the
control board is configured for photo
eyes, the input functions to pause the
gate during the opening cycle. Once the
input is cleared the gate continues to
open. Shown as factory default.

PROGRAM SETTINGS (DIP SWITCH S1)
NOTE: For all S1, S2 and S4 switch settings to take effect, the Save Mode switch must be set to the off position.
TIMER TO CLOSE

TIMER TO CLOSE ENABLE
This switch enables the auto close timer. The timer to close
feature works in conjunction with the potentiometer located on
the board.
TIMER TO CLOSE
ENABLED

SAVE

TTC

SAVE

TTC

Min = 0 sec

ON
ON
LT

ON
1

3
LT

2
SL

Max = 180 sec

TIMER TO CLOSE
DISABLED

(Factory Default)

SLIDE/SWING

SWING GATE

SAVE

TTC

SAVE

TTC

This switch selects slide or swing gate operation, in order to
optimize gate behavior for specific application.
SL = Slide • SW = Swing

SLIDE GATE
S1

ON
ON
2

ON
1

(Factory Default)

RIGHT/LEFT OPERATION

LEFT HAND

SAVE

TTC

SAVE

TTC

This switch selects the gate opening direction, to the left or to
the right. Right/Left operation is determined from the inside of
fence looking out.

RIGHT HAND
S1

ON
2

(Factory Default)

“SAVE” SWITCH
LOCKED

SAVE

ON
2

APEMs

TTC

SAVE

TTC

This switch stores all settings into memory and locks out changes.
NOTE: For any programming changes to take effect this switch
must be in OFF position. When switch is ON, no settings can be
changed.

UNLOCKED

(Factory Default)

PROGRAM SETTINGS (DIP SWITCH S2)
MAGLOCK ENABLE
MAGLOCK ENABLED

OPED

CLED

MAG

WARN

OPED

CLED

MAG

WARN

This switch enables the Maglock feature. On an open command
there will be a half second delay after the maglock relay is
released before the motor starts.

MAGLOCK DISABLED

ON
ON

ON
1

4
PH

(Factory Default)

WARNING ENABLE
WARNING ENABLED

OPED

CLED

MAG

WARN

OPED

CLED

MAG

WARN

This switch enables the gate “in motion” alarm feature. The
alarm will beep 3 seconds prior to movement and throughout
movement.

WARNING DISABLED

ON
ON

ON
1

4
PH

(Factory Default)

CONTROL CONNECTION DIAGRAMS
Accessory Terminal Block

Accessory Terminal Block

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

24Vac Accessory
Power May Be
Found On These
Terminals
R1

24 Vac

Soft Open
Input (N.O)

Control Board

1 2 3
5 6
7 8 9

Close Override
Control Input (N.O.)

0 #

OPEN

CLOS

Hard Open Override
Control Input (N.O)

ST
OP

OPEN

CLOS

Stop/Reset
Control Input (N.C.)

ST
OP

OPEN

SINGLE PHASE ELECTRICAL BOX

CLOS

Interrupt (Safety)
Loop Input (N.O)

ST
OP

NOTE: See wiring diagrams shipped with accessory kit for
additional information.
Shadow Loop
Input (N.O.)

NOTE: All controls that are to be used to operate the gate system,
must be installed where the user cannot come into contact with
the gate while operating the controls where the user has full view
of gate operation.

RF
QE

*We strongly recommend that you follow the UL guidelines
presented throughout the manual. Installation device
instructions: Always follow the instructions provided by the
manufacturer when installing and adjusting any control device. If
these instructions are contrary to the advice given here, call for
assistance.

RF
QE

Obstruction While Opening
Edge/Photo Eye Input (N.O.)

Radio (Single Button)
Input (N.O.)

Obstruction While Closing
Edge/Photo Eye Input (N.O.)

ACCESSORY WIRING
All inputs are normally open and momentary, except the stop
(N.C.). The following instructions are based upon UL325, and
include recommendations for significant increase in safety.
We strongly recommend that you follow the UL guidelines
presented throughout the manual. Refer to instructions shipped
with optional control devices for mounting, wiring, programming
and adjustment.

R3 R4
R2
R1

RADIO RCVR.

The LiftMaster Radio Receiver comes pre-wired to the operator
• Remove the brass antenna from the accessary box and screw it
onto the “F”-connector provided on the side of the gate
operator.
NOTE: The radio receiver is wired in the factory for single button
control to open and close the gate.

Operator
Terminal

Receiver

Connector

Antenna

Relay Control
24Vac Power

Accessory Tray

1 2 3 4 5 6 7
REMOTELY MOUNTED STOP/RESET CONTROL WIRING
• This control will function as a Stop/Reset command and is to be
wired within line of sight of the gate.
• Wire Stop/Reset control station to terminals 3 and 5 on the
control box on the operator. Make sure that all Stop/Reset
controls are wired in series.

Control
Conduit

Terminals 6 & 5 (Com) - Soft Open
These terminals are intended for use as a general open control.
Accessories that may be wired to this input include: Telephone
Entry Systems, Radio Receiver (Commercial Applications), Exit
Loop Detector, Keypads, 7-Day Timer. NOTE: Will not override a
double entrapment (signalled by the gate stopped and
entrapment alarm on).

Stop/Reset
Button

2 3 4

1 2 3
5 6
7 8 9
0 #

Soft Open

8 9 10 11 12 13 14

ACCESSORY WIRING (CONTINUED)
Terminals 7 & 5 (Com) - Hard Open Override Control Input
These terminals are intended for use only with the open control
of a 3-button station that is installed within line of sight of the
gate. A momentary activation of this input will cause the gate to
open. Activation of this input for longer than three seconds will
enable the control to be used as a constant pressure override
device. This will allow the user, in emergencies, to override a
failed accessory such as a loop detector or photo-eye.
Terminals 4 & 5 (Com) - Close Override Control Input
These terminals are intended for use only with the close control
of a 3-button station that is installed within line of sight of the
gate. A momentary activation of this input will cause the gate to
close. Activation of this input for longer than three seconds will
enable the control to be used as a constant pressure override
device. This will allow the user, in emergencies, to override a
failed accessory such as a loop detector or photo-eye.
Terminals 8 & 5 (Com) - Interrupt (Safety) Loop Input
These terminals are intended for use with a loop detector. This
input functions to reverse a closing gate to the open limit.
Latching this input will reset the timer to close.
Terminals 2 & 5 (Com) - Shadow Loop Input
These terminals are intended for use with a loop detector and is
primarily used on swing gate operators. This input protects cars
by preventing the gate from moving off of the open or close limit
when the shadow loop input is active.
The control board senses commands using +24Vdc from terminal
#3. Commands are seen when +24Vdc is applied to the
controller’s input terminals. NOTE: The control board has built in
surge suppression circuitry however please take precautions
when adding any additional surge protection.

Hard Open Override
Control Input
34 56 789

Com

N.O.

Close Override
Control Input
1 234 567
1

Com

N.O.

2 3 4 5 6 7 8 9

2 3 4 5 6

Shadow Loop
Input

Interrupt (Safety)
Loop Input

MASTER/SECOND SYSTEMS
Dual Gate Communications
The control board is capable of running the operator in a master
or second mode depending on (S4) switch setting.
Before initiating any command the master unit queries for the
presence of a “second unit” for a time period of one second. If
the master gets no response the operator will operate in a stand
alone mode. NOTE: For single unit applications, a jumper must be
placed between 11 and 12 of the field wiring terminal block. In
this mode no further communications will take place during
travel. If the master detects the presence of a second unit the
master will continue to query the second unit during travel. The
second unit will send a response to the master for every query.
The second operator will stop if there is a period of one second
or more of no communications.
When two operators are connected in dual gate configuration
accessories may be connected to either the master or second.
NOTE: Do not run Master/Second communication wiring in the
same conduit as the power and control wiring. The Second unit
will require a normally close stop circuit for proper system
operation. After Master/Second wiring has been completed and
the S4 switch programmed, both units must have their power
cycled to initiate proper Master/Second communication. The
motor learn function must be completed in stand alone mode
prior to Master/Second wiring.

Second
Gate
Setting
Master
Unit

Master or
Standalone
Gate Setting
Master
Unit

Second
Unit

Interrupt
Safety Loop

Terminal
Block
12 11

Terminal
Shielded Block
11 12
cable
(twisted pair)
minimum 18 gauge
Conduit

STREET

Master

Second

pt
rru p
Inte ty Loo
COMPLEX
fe
Sa
OR
PARKING LOT

Ground

SEQUENCED ACCESS MANAGEMENT SYSTEM (SAMS)
The Sequenced Access Management System or SAMS allows the customer more control when managing vehicular entrances to areas
such as apartment complexes, businesses and gated communities. The basic concept of the system is that traffic is controlled by two
gates installed in tandem, a fast moving gate such as a barrier gate operator and a slower moving more secure or ornamental gate
such as a single or pair of slide/swing gate operator. The design of this gate system balances the demands of speed during high traffic
periods with security during low traffic periods. Barrier gates typically have the fastest open times of the many gate operator types and
the slide or swing gates allow you to effectively seal off the perimeter of the complex you are planning to secure.
NOTE: Connect all entry devices to the slide or swing gate. If using a device, such as a 7-day timer, to latch the slide or swing gate
open during high traffic times, connect the device’s N/O relay output to the board’s Interrupt (Safety) Loop input. Once the device
activates the Interrupt (Safety) Loop input, the next vehicle to access the SAMS system will lock the gate in the open position until the
device deactivates. When the device deactivates, the timer to close will automatically close and secure the gate.
SAMS OPERATION
1. When an authorized vehicle accesses the gate system, the
SAM system responds by first opening the gate farthest from
the vehicle, the swing or slide gate.
2. Once the swing or slide gate is open, the barrier gate begins
its open cycle.
3. Once the barrier is open the vehicle may pass through the
SAM system. At this point you have two options in how you
would like to initiate the SAM systems closure. You may chose
to:
a) Use a timer to close system to automatically close the
barrier gate after a preset amount of time or
b) Use a loop system to close the barrier gate after the vehicle
has passed through the SAM system.
4. Once the barrier gate is closed the slide or swing gate will
activate its internal timer to close and begin closing.
5. If another authorized vehicle accesses the SAM system before
the slide or swing begins to close the barrier will open and
allow the vehicle to pass through the SAM system.
6. If another authorized vehicle accesses the SAM system during
the slide or swing gates closing cycle the SAM system will
reopen the slide or swing gate. Once the slide or swing gate
reaches the open position the barrier will then open to allow
the vehicle to pass through the SAM system.
7. If no other authorized vehicles access the SAM system the
swing or slide gate will close followed by the barrier.

SAMS WIRING
1. Install conduit between the BG770 and the SL585/595 for
SAMS control wiring.
2. Run a 4-conductor cable in the conduit between the BG770
SL585/595.
3. Locate the SAMS relay terminals (J5) on the control board in
the SL585/595 and locate the auxiliary limit switch in the
BG770.
4. Attach a wire from the SAMS relay terminal (J5) on the control
board to terminal 1 on the BG770 terminal strip.
5. Attach a wire from the SAMS relay terminal (J5) on the control
board to terminal 3 on the BG770 barrier gates terminal strip.
6. Attach a wire from terminal 5 of the SL585/595 accessory
wiring terminal block to the common (COM) on the auxiliary
limit switch in the barrier gate.
7. Attach a wire from terminal 8 of the SL585/595 accessory
wiring terminal block to the normally open (NO) on the
auxiliary limit switch.
8. Test for correct functionality of the SAM system.
TERMINAL BLOCK
INTERRUPT LOOP INPUT
TB5
TB8
SAMS RELAY AT J5

TERMINAL STRIP
1 (OPEN)

COM

3 (COMMON)

en
Op
ld p
Ho Loo
STREET

t
up op
err
Int ty Lo
fe
COMPLEX
Sa
OR
PARKING LOT

COM

N/O

TRAFFIC

SAMS
Conduit

BG770 BARRIER GATE
AUXILIARY LIMIT SWITCH
N/O

O P E R AT I O N A N D M A I N T E N A N C E

NING

WARNING

IMPORTANT SAFETY INSTRUCTIONS

ION

WARNING

To reduce the risk of SEVERE INJURY or DEATH:
1. READ AND FOLLOW ALL INSTRUCTIONS.
2. NEVER let children operate or play with gate controls.
Keep the remote control away from children.
3. ALWAYS keep people and objects away from the gate.
NO ONE SHOULD CROSS THE PATH OF THE MOVING
GATE.
4. Test the gate operator monthly. The gate MUST reverse
on contact with a rigid object or stop when an object
activates the non-contact sensors. After adjusting the
force or the limit of travel, retest the gate operator.
Failure to adjust and retest the gate operator properly
can increase the risk of INJURY or DEATH.

5. Use the emergency release ONLY when the gate is not
moving.
6. KEEP GATES PROPERLY MAINTAINED. Read the
owner’s manual. Have a qualified service person make
repairs to gate hardware.
7. The entrance is for vehicles ONLY. Pedestrians MUST
use separate entrance.
8. Disconnect ALL power BEFORE performing ANY
maintenance.
9. ALL maintenance MUST be performed by a LiftMaster
professional.
10.

SAVE THESE INSTRUCTIONS.
CHECK AT LEAST ONCE EVERY

DESCRIPTION
RPM Sensor (Hall Effect)
External Entrapment
Protection Systems
Gate Caution Signs
Clutch System
Brake System
Manual Disconnect
Drive Chain
Sprockets and Pulleys
Gate
Accessories
Electrical
Frame Bolts
Total Unit

TASK

3 MONTHS

6 MONTHS

12 MONTHS

Check for proper adjustment
Check for proper operation

X
X

Make sure they are present
Check and adjust if required
Check and adjust if required
Check and operate
Check for excessive slack and lubricate
Check for excessive slack and lubricate
Inspect for wear or damage
Check all for proper operation
Inspect all wire connections
Check for tightness
Inspect for wear or damage

X
X

X
X
X
X
X
X
X
X
X
X
X

NOTES
1. Severe or high cycle usage will require more frequent
maintenance checks.
2. Inspection and service should always be performed anytime a
malfunction is observed or suspected.
3. Limit switches may have to be reset after any major drive
chain adjustments.
4 If lubricating chain, use only a proper chain lube spray or a
lightweight motor oil. Never use grease or silicone spray.

X
X
X
X
X
X
X
X
X

5. When servicing, please do some “house cleaning” of the
operator and the area around the operator. Pick up any debris
in the area. Clean the operator as needed.
6. It is suggested that while at the site voltage readings be taken
at the operator. Using a Digital Voltmeter, verify that the
incoming voltage to the operator it is within ten percent of the
operators rating.

SOLENOID ACTUATED BRAKE
The brake minimizes over-travel caused by gate coasting. An added
feature of the brake is to assist in preventing back driving of the
gate. The brake is spring-applied whenever the motor is not
running. Anytime the motor is running, the electric solenoid
physically releases the brake.
A solenoid brake is standard on SL585/595 operators. The brake
is adjusted at the factory and should not need additional
adjustment for the the life of the friction pad.
Replace friction pads when necessary. Refer to the illustration for
identification of components for the solenoid type brake system.

FRICTION CLUTCH
The friction clutch system is not an automatic reversing device. It
only serves to minimize damage to the gate operator and gate, and
to help minimize vehicle damage. If you need an external automatic
obstruction sensing device, items such as gate edges and photo
beams are available to help protect pedestrians (page 4).
The clutch mechanism must be adjusted properly. During the
installation of the operator, you must tighten the clutch spring lock
nut so it is tight enough to operate the gate, yet loose enough so
that if the gate meets an obstruction, the clutch will slip.
1. Loosen set screws of torque adjustment nut on the gear reducer
output shaft.
2. Back off torque nut until there is very little tension on the
belleville washers.
3. Tighten torque nut gradually until there is just enough tension to
permit the operator to move the gate smoothly through a
complete open/close cycle, but to allow the clutch to slip if the
gate is obstructed.
4. Re-tighten the set screw that is directly over the flat portion of
the shaft.

WARNING
To avoid SERIOUS PERSONAL INJURY or DEATH disconnect
electric power BEFORE performing ANY adjustments.

CAUTION
Solenoid

Friction
Pads

Release
Lever

Brake Plate
Assembly

Friction Clutch

CONTROL BOARD PROGRAMMING AND FEATURES
MOTOR LEARN FUNCTION (FORCE PROFILE)
This function is preprogrammed at factory. If either board or motor
is replaced, the control board will need to be reprogrammed to
“LEARN” the specific motor RPM profile of your operator, the red
button “S3” is provided for this. This is important for accurate
force control. Failure to do so may result in improper and unsafe
operation.
NOTE: Motor Learn must be performed in stand alone mode.
1. Detach the unit from the gate, the motor needs to be learned
without a load. (Do not use the manual release, the limit shaft
must be turning during learn sequence.)
2. Press the motor learn button. The yellow LED should start to
flash rapidly.
3. Push and hold down either the open or the close buttons. The
motor will run for a few seconds and then stop. If the LED goes
out the motor is learned. If the unit activates a limit before
completing the learn or some other error occurs the LED will go
back to on continuously. If this happens try learning while
running in the opposite direction.
4. Reconnect the unit to the gate, reset the limits and adjust the
force control.
22

Motor
Learn
Button (S3)

CONTROL BOARD PROGRAMMING AND
FEATURES (CONTINUED)
LED Code
Flashed

FORCE CONTROL
Set the force control pot such that the unit will complete a full
cycle of gate travel but can be reversed off an obstruction without
applying an unreasonable amount of force. On most operators
this will be around the middle of the range.
NOTE: For LED location refer to illustration on previous page.

Diagnostic Meaning

Cleared By

Normal operation

N/A

Single entrapment sensed

Control Input

Double entrapment

Hard Input*

Failed or no hall
effect sensor

Removal of
problem

Exceed maximum motor
run time

Hard Input*

Limit fault

Control Input

Loss of communications
between master and
second during run mode

Removal of
problem

Motor not learned

Completion
of Motor
Learn Routine

OFF

Force Control

Max

Min

On No
Flash

DIAGNOSTICS (LEDS AND CODES)
There are three diagnostic LEDs. Two red LEDs (OLS, CLS) are
indicators for the open and close limits. The LEDs are illuminated
when the limit switch contacts are closed.
The third amber LED (DIAG) is used to blink out diagnostic
codes. The number is the count of the number of times the LED
is on in an 8 second period. The LED is on for approximately 1/2
second and repeats every second until the number is reached.
There will be a pause following each pulse cycle (1-6 pulses) to
differentiate between the different diagnostic codes.

*Hard inputs include open override, close override and
stop inputs.

RELAY DRIVE TROUBLESHOOTING LEDS
There are 5 troubleshooting LEDs on relay drives K1 through K5. These LEDs will be illuminated when the microcontroller relay drive is
activated.
LED

LED NAME

DESCRIPTION

D6
D5
D4
D3
D2

Contactor A
Contactor B
SAM
Lock
Alarm

On when Contactor A is activated
On when Contactor B is activated
On when SAM relay is activated
On when Mag Lock relay is activated
On when Alarm Relay is activated

TROUBLESHOOTING LEDS
There are 9 troubleshooting LEDs.
LED
D11
D13
D15
D17 (Green)
D19
D21
D24
D29
D31

LED NAME

DESCRIPTION

Radio
Shadow
Hard Close
Stop
Soft Open
Hard Open
Interrupt (Safety) Loop
Obstruction Open

On when Radio switch is activated
On when Shadow Loop is activated
On when Close switch is activated
On when Stop switch is not activated
On when Open switch is activated
On when Open switch is activated
On when Interrupt/Safety Loop activated
On when Edge is activated or when Photo Eye
Beam is broken
On when Edge is activated or when Photo Eye
Beam is broken

Obstruction Close

TROUBLESHOOTING
FAULT
OPERATOR FAILS TO RUN

POSSIBLE CAUSE
1) Improper wired stop control
2) Fault in the operator check the yellow
diagnostic LED at the top right of the
control board next to the
programming dip switches.

3) An accessory is active or
malfunctioning check the red input
status LEDs, D11-D31

4) Improper J4 connector wiring
(master/second)
5) Low or no high voltage power

6) Low or no low voltage power

7) No LEDs illuminated on the
control board
CONTACTOR CHATTERS
WHEN OPERATOR BEGINS
TO MOVE

1) Transformer’s secondary is overloaded
2) Low primary (high voltage) power

OPERATOR RUNS SLOW
AND/OR TRIPS THE
INTERNAL OVERLOAD

1) Low primary (high voltage) power

2) Problem in the motor

3) Problem in the contactor
4) Problem in the brake system

FIX
➤ Check the green LED (D17) on control board. If the green LED is off,

check to make sure a stop control has been installed across terminals
TB1-3 and TB1-5 of the terminal strip.
➤ If the yellow LED blinks six times, there is a master/second unit
communication failure. If operator is a single unit, make sure there is
a jumper across terminals TB1-11 and TB1-12. If operator is in a dual
gate configuration, make sure that the communication wiring between
the two units is undamaged and complete.
➤ If the yellow light is solid, the board needs to learn the motor. Follow
the directions on page 22.
➤ If any red LEDs are on, check the corresponding input. An installed
accessory may be wired incorrectly or malfunctioning. Remove the
accessory and test the operator.
➤ If the open or interrupt (safety) loop LED is on, make sure factory
plug-in loop detectors are working properly and appropriate loops are
installed on the loop input terminals.
➤ Stand-Alone Operators: Make sure there is a jumper installed across
the J4 connector.
➤ Master/Second Operation: Make sure that the master/second wiring is
installed correctly and is intact (not damaged).
➤ Measure the incoming voltage at the unit’s on/off switch. It should be
within 5% of the operator’s rating when running. Make sure that the
proper wire gauge was used for the distance between breaker and
operator by consulting the wiring specifications section on page 8 of
this manual.
➤ Measure the voltage at terminals R1 and R2 in the operator. This
voltage should be within 5% of 24Vac. If the high voltage power is
good and the low voltage power is bad, check to make sure the circuit
fuse is not tripped and that the correct primary tap is used on the
transformer. If fuse and tap are correct, replace the transformer.
➤ If both primary and secondary power is good, check to make sure
that the J2 connector is making good contact with the pins on the
control board. If all is good, replace the control board.
➤ Remove all accessory devices and test the operator. If the contactor

stops chattering, find an alternate power source for some of the
devices.
➤ Measure the incoming line voltage at the unit’s on/off switch. It
should be within 5% of the operator’s rating when running. Make sure
that the proper wire gauge was used for the distance between breaker
and operator by consulting the wiring specifications section on page 8
of this manual.
➤ Measure the incoming line voltage at the unit’s on/off switch as well

as the meter base or sub panel. Make sure there is not a major
change in voltage. The voltage at the operator should be within 5% of
the operator’s rating when running.
➤ Check the number of amps currently being drawn from the panel.
Make sure that the total power being drawn does not exceed the
panel’s rating.
➤ Make sure that the proper wire gauge was used for the distance
between breaker and operator by consulting the wiring specifications
section on page 8 of this manual.
➤ Perform a visual inspection of the motor. Examine the motor’s labels
for any distortion or signs of overheating. Replace the motor if it is
humming, grinding or making excessive noise. NOTE: Repeated
motor problems indicate poor primary power.
➤ Examine the contactor for sparking, smoke or burn marks. Remove
the wires from one side of the contactor, then measure the contact
points for high resistance (above 1 ohm). Replace the contactor.
➤ Make sure that the brake is disengaging when the contactor pulls in
and engaging when the contactor releases. Replace solenoid.

TROUBLESHOOTING
FAULT
MASTER OR SECOND
OPERATOR IS NOT
FUNCTIONING PROPERLY

POSSIBLE CAUSE
1) Failure to cycle power after setup
2) Communication wiring may be
damaged or improperly wired for dual
gate operation
3) Master or second unit is not
programmed correctly

FIX
➤ The power to each unit must be cycled in order to initiate proper

master/second communication if the operators were previously in
stand-alone mode.
➤ Make sure that the communication wire that is used is twisted pair
and not run in the same conduit with any power wiring. Failure to do
so will result in interference across the master/second
communication line.
➤ Review program settings page 19 and check both the master and
second for proper programming.

OPERATOR RUNS IN
WRONG DIRECTION

1) Operator’s main power is out of phase
(three phases only)

➤ Turn off the unit’s main power at the breaker and swap any two

OPERATOR RUNS BUT
THEN STOPS AND
REVERSES DIRECTION

1) Entrapment (force pot) incorrectly set

➤ This pot must be set so that the gate will run smoothly normally and

2) Gate is binding or not running
smoothly

➤ Disengage the manual release and roll gate open and close by hand at

reverse when encountering an obstruction.

3) Clutch is not adjusted properly
4) Brake is not functioning properly
5) Observe red LEDs D29 and D31

6) RPM (Hall Effect) Sensor
is not aligned

MOTOR RUNS BUT GATE
DOES NOT MOVE;
OPERATOR STOPS AND
ALARMS

power leads at the operator’s main power switch. Apply power and
retest the operator. See important note on page 12.

1) Clutch is not adjusted properly
2) Operator’s manual release is not
aligned

1) Active or malfunctioning accessory
OPERATOR OPENS
check the red input status LEDs,
IMMEDIATELY UPON
D11-D13
POWER UP AND DOES NOT
CLOSE

normal operating speed. Make sure that the gate runs smoothly and
does not bind. If the gate is hard to move or binds, repair the gate.
➤ Adjust the clutch so that the operator can move the gate throughout
its travel without slipping but will slip when the gate hits an
obstruction.
➤ Make sure that the brake operates correctly. The brake should
disengage when the contactor activates and engage when the
contactor releases.
➤ Both LEDs will indicate the activation of entrapment protection
devices on terminals TB1-9 and TB1-10 on the control board.
Remove the devices and retest. If the operator now runs without
fault, check those accessories as well as their wiring.
➤ Make sure that the sensor is adjusted so that it is centered over the
limit shaft’s magnet and is 10-15 thousandths of and inch (business
card thickness) from the magnet.
➤ Replace the sensor if it is adjusted correctly but continues to fail.
➤ Adjust the clutch so that the operator can move the gate throughout

its travel without slipping but will slip when the gate hits an
obstruction.
➤ Make sure that the manual release is not engaged. The operator’s
manual release, when engaged, will set off the entrapment if the gate
is given a command to move.
➤ If any red LEDs are on, check the corresponding input. An installed

accessory may be wired incorrectly or malfunctioning. Remove the
accessory and test the operator.
➤ If the soft open or interrupt (safety) loop LED is on, make sure
factory plug-in loop detectors are working properly and appropriate
loops are installed on the loop input terminals.
➤ Make sure the manual release is not engaged. The operator’s manual

OPERATOR HAS TROUBLE
LEARNING THE MOTOR

1) Operator’s manual release is engaged

PROGRAMMING CHANGES
DO NOT EFFECT THE GATE

1) Check the save switch on switch S1-1

GATE EDGE PAUSES GATE
WHEN STRUCK DURING
OPENING

1) Open obstruction input is
programmed incorrectly

➤ The open obstruction input has been programmed to function with

GATE DOES NOT ACTIVATE
TIMER TO CLOSE AFTER
THE CLOSE PHOTO EYE IS
BROKEN

1) Close obstruction input is
programmed incorrectly

➤ The close obstruction input has been programmed to function with

release, when engaged, will not allow the entrapment sensor to
provide feedback to the control board when the operator is moving.
➤ If the switch S1-1 is in the on position, any subsequent programming

changes will not affect the gate. To make programming changes,
switch S1-1 off, make desired changes, and then switch S1-1 on.
photo eyes, not gate edges. Refer to page 15 and reprogram the
obstruction inputs for correct operation.

gate edges, not photo eyes. Refer to page 15 and reprogram the
obstruction inputs to match the accessories that are installed on
operator.

S I N G L E P H A S E S C H E M AT I C
GROUNDED DUPLEX
OUTLET (115V ONLY)

ON/OFF
SWITCH
L1
1 PHASE
POWER IN

(W)

(BK)

(B)

115V MOTOR
CONNECTION

(W)

(S)

(W)

115V ONLY
(BK)

(B)

O/L

(BK)

(W)
(W)

(PU) (SL595 RD)

(YE) (SL595 WH)

FACTORY INSTALLED RADIO

(W)

(BK)

(SEE NOTE 2)
PRIMARY

8
5

(BL)
(YE) (SL595 WH)

3
2

(GY) (SL595 GN)

115V BRAKE
SOLENOID

(BL/BK)

(PU) (SL595 RD)

24V Sec.
(SEE NOTE 1)

FUSE
3.15A

(BL/BK)

(BK)

230V BRAKE
SOLENOID

(BK)
(BL/BK)

(100 db)

(TB 2)

(BL)
(BL)
(BK)
(BK)

(YE)
(YE)

CD
(YE)
(YE)
(RD)
(RD)

(GN)
(BL)

(WH)

(BL)

(YE)

(RD)
(Y/BK)

(BK)

(BRN)

SAFETY ALARM

TO REVERSE MOTOR
DIRECTION INTERCHANGE
PURPLE & GRAY WIRES
ON MODEL SL585
OR THE RED & GREEN WIRES
ON MODEL SL595

(YE)
(BL)

RADIO BLOCK

RADIO
SIGNAL

R3
R4

(BRN)

(BK)
(RD)

(GY)

GL CONTROL BOARD J2 PLUG

J2-8
J2-2

RPM - IN
RPM - SUPPLY
RPM GND

J2-9
J2-10
J2-11

(WH)

(YE)
(GN)

(BK)

L/S B
(PU) 2
(PU)

(BRN)

NC COM
L/S A

(OR) 1

NC COM

(OR)

(GY)

FREE EXIT
LOOP HARNESS

8
9

10 PIN - 1,2,3,5
CAPPED

4
6
7

INTERRUPT (SAFETY)
LOOP HARNESS

8
9

10 PIN - 1,2,3,5
CAPPED

(WH)
(RD)

RPM
SENSOR

(BK)

OPEN

FIELD CONNECTIONS

(Y/BK)
(PU)

SHADOW

J1-2

(PU/WH)

+24VDC

J1-3

(Y/BK)

J1-4

(GN)

STOP

J1-5

(Y/BK)

SOFT OPEN

J1-6

(BRN)

HARD OPEN

J1-7

INT. LOOP

J1-8

OBS. OPEN

J1-9

OBS. CLOSE

J1-10

(OR)

J1 PLUG
J1-1

(RD)

(PU)
(WH)
(P/W)
(Y/BK)
(Y/BK)
(GN)

(GN)

"A" LIMIT
CONTACTOR A

(GN)
(BL)

4
6
7

INTERNAL MOTOR
WIRING
1 - BLUE
2 - WHITE
3 - ORANGE
4 - YELLOW
5 - BLACK
8 - RED
O/L - BROWN

(YE)

J2-3
J2-4
J2-5
J2-6
J2-7
J2-1

(Y/BK)

24VAC-IN
24VAC-COMMON
SOFT OPEN
NC
"B" LIMIT
CONTACTOR B

(Y/BK)

STOP

RESET

(Y/BK)
(WH)

TB 1
1
2

RADIO
SHADOW

VDC COM

STOP/COM

(BRN)

SOFT OPEN

(OR)

HARD OPEN

(GN)

INTERRUPT (SAFETY)

(GY)

OPEN

(OR/BK)

J1-11

(WH)

DC-GND

J1-12

(RD)

LOCK 1

J1-13

(BK)

LOCK 1

J1-14

(BK)

ALARM 1

(BK)
(BL)

J1-15

(BL)

ALARM 1

J1-16

(RD)

(YE)

J4 PLUG
1
2

(GY)

(WH)

(BRN)

(GY)

(BRN)

DUAL
GATE

(BK)

115V ONLY

R1
R2

24 VAC-COMMON

(BL)

24VAC

RADIO COMMAND

(BL/BK)
(BK)

208V/230V MOTOR
CONNECTION
4

MOTOR OVERLOAD
(SEE NOTE 3)
BLACK (SL595 ORANGE)

(GY) SL595 GN)

(BK)

(W)

208/230V ONLY

(GN)
(NOTE 4)

(GN)

(BK)

GROUND

8
5

(BL)

EDGE/PHOTOEYE (SAFETY)

MASTER / SECOND

MAGLOCK

(RD)

= TERMINAL BLOCK IN LIMIT SWITCH ENCLOSURE (SL595 ONLY).

NOTES:
1) Transformer primary voltage same as operator line voltage 24V secondary 60VA.
2) Wire color: 115V black, 208V red, 230V orange.
3) Single phase units are equipped with an external line break device and may be
equipped with an additional internal pilot duty thermal o/l device.
4) Outlet wiring: Black wire to brass screw, white wire to silver screw and green wire to green screw.

24 VAC

INTERRUPT LOOP (SAFETY)

EXIT LOOP

40-32352D

SINGLE PHASE WIRING DIAGRAM
WARNING
To protect against fire and electrocution:
• DISCONNECT power BEFORE installing or servicing operator.

BLACK (SL595 ORANGE)
SEE NOTE 3

BLUE

WHITE

ORANGE

TO MOTOR

BL
Y

8
5

BLACK
BLACK

J2 PLUG
ON PCB

OVERLOAD
BLACK
RED
WHITE

RPM
BOARD
ORANGE
PURPLE
1

GROUND

ORANGE

RADIO
TERMINAL
BLOCK

PURPLE

CONTACTOR B A1

BL-BK

11
10
9
8
7
6
5
4
3
2
1

GREEN

CONTACTOR A

L/S “A”NC
C

POWER IN
SEE NOTE 1

GRN

BL-BK

L1
L2

OFF

A2
14
6
4
2

CONTACTOR A & B
208/230V SHOWN
SEE NOTE 6
115V. BRAKE
SOLENOID

A1
13
5
3
1

WHITE
BLACK

BLACK
TO J2-2

(TB2)

SERVICE OUTLET
ON/OFF
(115V) ONLY
SWITCH

115V. CONNECTION

YEL/BLK
1
3

BLUE
BLACK

ALARM

L/S “B”NC
C

Y/BK

TB1-3

Y/BK

TB1-6

BROWN

Y/BK

HARD OPEN

INTERRUPT

TB2-AB

TB1-18

TB1-17

OPEN CLOSE
EDGE/PHOTO
EYE

MASTER
SECOND

10 11

FREE EXIT LOOP 4
24 VAC ACCESSORY
POWER
INTERRUPT

MAGLOCK

LOOP

12 13 14 15

GREEN

FACTORY
INSTALLED
RADIO

EXIT LOOP

17 18 19

BLUE

YELLOW

BLUE

BLACK

RED

WHITE

GREEN

OR/BLK

(TB1)
ORANGE

SOFT OPEN

TB2-CD

BROWN

TB1-3

STOP

TB1-8

Y/BK

TB1-19

GREEN

SHADOW

TB1-20

VDC COM

TB2-AB

PUR/WHT
RESET

TB2-CD

FREE EXIT
LOOP
HARNESS
(10 PIN)

STOP

RADIO

PURPLE

R4
TB1-5

FIELD CONNECTIONS

RADIO
SIGNAL

BL-BK

208/230V. CONNECTION

LOOP WIRING

24 VAC

GRAY

BL
Y

8
5 2

TB1-15

BL-BK
230V. BRAKE
SOLENOID

YELLOW

WHITE

YELLOW

BLACK

LINE

BLUE

Y (SL595 WHT)
GY (SL595 GN)
PU (SL595 RD)

YELLOW
LOAD
24VAC/60VA
FUSE 3.2A
BLUE

BK
TB2-CD

A2
14
6
4
2

BLUE

NOTE: SL595 ONLY
swap green and
red wire
locations on
contactor B

A1
13
5
3
1

YELLOW

PURPLE

TO J2-1

YELLOW

CONTACTOR

INTERRUPT
LOOP
HARNESS
(10 PIN)

(100db)
SAFETY
ALARM

J1
1 2

NOTES:
1. VOLTAGE: 115, 208, & 230 VOLT 1 PHASE.
2. HORSEPO WER: 1/2 & 1 HP.
3. TRANSFORMER PRIMARY VOLTAGE IS
THE SAME AS THE OPERATOR
VOLTAGE. SECONDARY 24V/60VA.
FOR REFERENCE PRIMARY WIRE
COLORS: 120V BLACK, 208V RED, 230V
ORANGE, 460V PURPLE, 575V GREY.
4. TERMINAL DESIGNATIONS SHOWN
FOR 115V.
5.

4 5 6

8 9 10 11 12 13 14 15 16

1 2

OPEN
Y/BK

TB1-7

GRN

TB1-4

CLOSE
TB1-5

Y/BK
STOP

J1-3

Y/BK
Y/BK
Y/BK

TB1-3

RESET

TERMINAL BLOCK IN LIMIT SWITCH
ENCLOSURE (SL595 ONLY).

(GL CONTROL BOARD)

6. FOR SINGLE PHASE 115V OPERATION, THERE IS AN ADDITIONAL WHITE WIRE FROM
CONTACTOR A2 TO CONTACTOR B4 AND THE BLACK WIRE FROM THE TRANSFORMER
TO CONTACTOR B4 GOES TO B6.

40-32358F

T H R E E P H A S E S C H E M AT I C
ON/OFF
SWITCH
(BK)

3 PHASE
POWER IN

230V CONNECTION

(SEE NOTE 3)
OVERLOAD

(BK)

(GY) (SL595 GN)
(BK)
(PU) (SL595 RD)
(BK)
(YE) (SL595 WH)

L3
(BK)

(BK)
(BK)

GROUND

SEE NOTE 3

(GN)

460V CONNECTION
(GY) (SL595 GN)
(BK)
(PU) (SL595 RD)

(BK)

PRIMARY

FACTORY INSTALLED RADIO

BLACK (SL595 ORANGE)
(SEE NOTE 2)

(YE) (SL595 WH)

RADIO
SIGNAL

R3
R4

(100 db)

(TB 2)

(YE)
(YE)
(RD)
(RD)

(YE)
(YE)

(BL)
(BL)
(BK)
(BK)

(GN)
(WH )

(BL)

(RD)
(Y/BK)

(BK)

(BRN)

(BK)
(RD)

(GY)

(GN)
(BL)

(WH )

(YE)
(GN)

(BRN)

NC COM

J2-8
J2-2

(OR) 1

RPM - IN
RPM - SUPPLY
RPM GND

J2-9
J2-10
J2-11

(WH)

NC COM

(OR)

(RD)

(GY)

FREE EXIT
LOOP HARNESS

8
9

10 PIN - 1,2,3,5
CAPPED

4
6
7
8
9

INTERRUPT (SAFETY)
LOOP HARNESS
10 PIN - 1,2,3,5
CAPPED

RPM
SENSOR

(BK)

OPEN

FIELD CONNECTIONS

(Y/BK)
(PU)
(WH)
(P/W)
(Y/BK)
(Y/BK)
(GN)

(GN)

(OR)

(PU)

TB1
1

RADIO

J1-2

(PU/WH)

+24VDC

J1-3

(Y/BK)

J1-4

(GN)

STOP

J1-5

(Y/BK)

SOFT OPEN

J1-6

(BRN)

SOFT OPEN

HARD OPEN

J1-7

(OR)

HARD OPEN

INT. LOOP

J1-8

(GN)

INTERRUPT (SAFETY)

OBS. OPEN

J1-9

(GY)

OPEN

OBS. CLOSE

J1-10

(OR/BK)

(Y/BK)

STOP

RESET

(Y/BK)
(WH)

2
3

SHADOW
VDC COM

STOP/COM

J1-11

(WH)

DC-GND

J1-12

(RD)

LOCK 1

J1-13

(BK)

LOCK 1

J1-14

(BK)

(BK)
(BL)

ALARM 1

J1-15

(BL)

ALARM 1

J1-16

(RD)

(YE)

J4 PLUG
1
2

(GY)

(WH)

(BRN)

(GY)

(BRN)

DUAL
GATE

575V
BRAKE
SOLENOID

4
6
7

SHADOW

24 VAC-COMMON

230V
BRAKE
SOLENOID

(YE)

(PU)

"A" LIMIT
CONTACTOR A

RADIO COMMAND

(BK)

(PU) 2

L/S A

J1 PLUG
J1-1

(RD)

L/S B
(Y/BK)

J2-3
J2-4
J2-5
J2-6
J2-7
J2-1

(YE) (SL595 WH)

GL CONTROL BOARD J2 PLUG
24VAC-IN
24VAC-COMMON
SOFT OPEN
NC
"B" LIMIT
CONTACTOR B

(BK)

(BL)

SAFETY ALARM

(GY) (SL595 GN)
(BK)
(PU) (SL595 RD)

(YE)

575V CONNECTION
24V Sec.
(SEE NOTE 1)

(BL)

RADIO BLOCK

24VAC

R1
R2

(WH)

(BL)

FUSE
3.2A

230V
BRAKE
SOLENOID

EDGE/PHOTOEYE (SAFETY)

MASTER / SECOND

MAGLOCK

(RD)

= TERMINAL BLOCK IN LIMIT SWITCH ENCLOSURE (SL595 ONLY).

NOTES:
1) Transformer primary voltage is the same as the operator line voltage. Secondary 24V 60VA.
2) Wire color: 208V red, 230V orange, 460V purple, 575V gray.
3) Three phase units are equipped with an internal pilot duty thermal overload
device or an external line monitoring device.

24 VAC

INTERRUPT LOOP (SAFETY)

EXIT LOOP

40-32351E

THREE PHASE WIRING DIAGRAM
WARNING
To protect against fire and electrocution:
• DISCONNECT power BEFORE installing or servicing operator.

BLACK (SL595 ORANGE)

CONTACTOR

YELLOW
LOAD
24VAC/60VA
FUSE 3.2A
BLUE

BK
TB2-CD

LINE

BLACK

XFMR
ON/OFF
SWITCH

TO J2-2

ORANGE

TO MOTOR

A1
13
5
3
1

A2
14
6
4
2

ORANGE
PURPLE

BL-BK
4

230V
BRAKE
SOLENOID

BL-BK

L/S “A”NC
C

CONTACTOR B

230V
BRAKE
SOLENOID

L/S “B”NC
C

R1
R2

STOP

HARD OPEN

INTERRUPT

OPEN CLOSE MASTER
EDGE/PHOTO SECOND
EYE

10 11

24 VAC

BLACK
R3

TB1-3

Y/BK

TB1-6

BROWN

Y/BK

SOFT OPEN

SHADOW

VDC COM

PUR/WHT
RESET
STOP

BLUE

ALARM

Y/BK

RADIO

BL-BK

575V
BRAKE
SOLENOID

PURPLE

BL-BK

RADIO
TERMINAL
BLOCK
TB1-15

RADIO
SIGNAL

BL-BK

575V CONNECTION
1

2
1

PURPLE

FIELD CONNECTIONS

GY
BK
PU
BK
Y

4
3

ORANGE

FREE EXIT LOOP

24 VAC ACCESSORY
POWER
INTERRUPT
MAGLOCK
LOOP

12 13 14 15

GREEN

FACTORY
INSTALLED RADIO

EXIT LOOP

17 18 19

TB2-20

TB2-19

YELLOW

BLUE

BLACK

RED

WHITE

GRAY

GREEN

(TB1)

OR/BLK

TB2-CD
TB2-AB

ORANGE

BROWN

R4
TB1-5

YEL/BLK

LOOP WIRING

GREEN

BLUE

CONTACTOR A

YEL/BLK

BL-BK
GY

11
10
9
8
7
6
5

BLACK
RED
WHITE

460V CONNECTION

J2 PLUG
ON PCB

GREEN

GROUND

BLACK

RPM
BOARD

230V CONNECTION
GY

POWER IN
SEE NOTE 1

OFF

SEE NOTE 5
EXTERNAL
OVERLOAD

BK
BK
BK

BK
BK

YELLOW

WHITE

(TB2)

YELLOW

BLUE

WHITE

YELLOW

A2
14
6
4
2

SEE NOTE 3

BLUE

Y (SL595 WHT)
GY (SL595 GN)
PU (SL595 RD)

A1
13
5
3
1

YELLOW

PURPLE

TO J2-1

AUXILIARY RELAY
EXTERNAL OVERLOAD

SEE NOTE 5
MOTOR
OVERLOAD

FREE EXIT
LOOP
HARNESS
(10 PIN)
R2

TB1-8

TB1-3

TB2-CD

TB2-AB
TB2-18

TB2-17

(100db)
SAFETY
ALARM

J1
INTERRUPT
LOOP
HARNESS
(10 PIN)

1 2

4 5 6

8 9 10 11 12 13 14 15 16

1 2

OPEN
Y/BK

J2
TB1-5

CLOSE
Y/BK
GRN

TB1-7
TB1-4

STOP
J1-3

Y/BK
Y/BK
Y/BK

TB1-3

RESET

NOTES:
1. VOLTAGE: 208/230/460/575 VOLT 3 PHASE.
(GL CONTROL BOARD)
2. HORSEPOWER: 1/2, 1 & 2 HP.
3. TRANSFORMER PRIMARY VOLTAGE IS THE SAME AS THE OPERATOR LINE VOLTAGE. SECONDARY 24V/60VA.
FOR REFERENCE PRIMARY WIRE COLORS: 120V BLACK, 208V RED, 230V ORANGE, 460V PURPLE, 575V GREY
4.
TERMINAL BLOCK IN LIMIT SWITCH ENCLOSURE (SL595 ONLY).
5. THREE PHASE UNITS ARE EQUIPPED WITH AN INTERNAL PILOT DUTY THERMAL OVERLOAD
DEVICE OR AN EXTERNAL LINE MONITORING SYSTEM.

40-32357F

NOTES

ELECTRICAL BOX

SL585 Only
for SL595 Limit Box
Components
See Pages 34 and 35

1
4

K1 (K72-34818)
9
5
6

INDIVIDUAL PARTS
ITEM
1
2
3
4
5
6
7
8

PART #
13-10024
23-10041
03-8024-K
K001A5566
23-30716
23-34815
312HM
21-3260-1
21-10298-1
9
K1C3196-3
VARIABLE PARTS
10
25-2006

25-2008

25-2010
25-2015
25-4002-5K
25-4003-K
(NOT SHOWN)
K74-18379

SERVICE KITS

DESCRIPTION
Limit nut
Limit switch (SL585 only)
Contactor
Control board
Stop switch
Open/close switch
Radio - 315 MHz
Transformer - 120/208/230/460/60VA
Transformer - 575Vac/100VA
Antenna

ITEM
K1

PART #
K72-34818

DESCRIPTION
Limit shaft kit (SL585 only)
Complete with: Limit shaft, limit
nuts, limit bearings, limit sprocket,
shim washers, compression ring,
roll pin and e-ring.

*To order a complete replacement electrical box kit contact
technical support at 1-800-528-2806.

Overload - 6 AMP - SL585-50-21,
SL585-50-81, SL595-50-21-, &
SL595-50-81
Overload - 8 AMP - SL585-100-21,
SL585-100-81, SL595-100-21, &
SL595-100-81
Overload - 10 AMP - SL585-50-11,
SL595-50-11
Overload - 15 AMP - SL585-100-11,
SL595-100-11
Overload - 1.8 to 2.6 AMP SL585-100-53, SL595-100-53
Overload - 2.6 to 3.7 AMP SL595-200-53
RPM Sensor (Hall effect)
*Non stocked item. Please allow additional delivery time.
31

REPAIR PARTS - MODEL SL585
SERVICE KITS

INDIVIDUAL PARTS
ITEM PART #
1
22-120
22-240
22-575-1
2
80-14414
3
12-4164
4
15-50B12LGH
5
10-30678
6
23-34815
7
32-34792
8
39-13941
9
K20-1050C-2P

ITEM PART #
K1
71-B120
71-B240
71-B575

K20-3100M-5

DESCRIPTION
Brake solenoid, 115V
Brake solenoid, 230-460V
Brake solenoid, 575V
Feather key
Bearing
Sprocket, 50B12 x 1"
Lock bar
Stop/Reset button
Gear reducer (30:1)
Clutch disk
Motor - models SL585-50-11,
SL585-50-21, SL585-50-81
Motor - models SL585-50-23,
SL585-50-43, SL585-50-83
Motor - model SL585-50-53
Motor - models SL585-100-11,
SL585-100-21, SL585-100-81
Motor - models SL585-100-23,
SL585-100-43, SL585-100-83
Motor - model SL585-100-53

K75-10177

K75-34828

K75-34824

K75-34842

23-20088
23-3001
23-3005

VARIABLE PARTS
On/off switch - 1 phase 115V
On/off switch - 1 phase 208/230V
On/off switch - 3 phase

K75-34790

K75-34791

01-34850
01-34850SP
01-34850FR

NOT SHOWN
Gate bracket
Take up bolt
Chain
Bolt - 14"
Owner’s manual - English
Owner’s manual - Spanish
Owner’s manual - French

K29-32410

K9
K10

K75-18493
653509

K20-3050C-4P
K20-3050M-5
K20-1100C-2P
K20-3100C-4P

71-6532449
71-6532448
K50-18423

DESCRIPTION
Brake kit - 115 Volt models
Brake kit - 230-460 Volt models
Brake kit - 575 Volt models
Complete with: Brake hub kit, brake
release lever, brake disk, spring cup,
studs, compression springs, brake
solenoid, solenoid cover, spacers,
mounting plate, pressure plate, feather
key and conduit.
Brake hub kit
Complete with: Brake hub, set screw,
push on fastener and feather key.
Idler shaft kit
Complete with: Bearings, sprocket
50B12x1" and idler shaft
Chain guard kit
Complete with: Chain guard, chain
guides and retainers.
Cover kit
Complete with: Cover, lock bar and
label.
Disconnect kit
Complete with: Release lever, bracket,
cable, compression spring, washer,
screws, clevis pin, bushings, roll pins,
bolts, nuts, and handle.
Clutch kit
Complete with: Clutch disk, clutch
plate, hub, torque limiter, e-rings,
washers, sprocket, bearing, nut and
compression spring.
Alarm kit
Complete with: Alarm, spacer and
faston.
Chain guide kit
Optional diagonal brace kit
NOT SHOWN
Heater kits (Optional) 115/230V single phase
Heater kits (Optional) - All 3 phase
Replacement heater with
thermostat only

I L L U S T R AT E D PA R T S - M O D E L 5 8 5

K5 ( K75-34842)

K7 (K75-34791)

K6 ( K75-34790)
K8 (K29-32410)
K3 (K75-34828)
3
10

K9 (K75-18493)
4

K3 (K75-34828)

6
3

K4 (K75-34824)
4

K10 (653509)
K1 (71-B120, 71-B240, 71-B575)

K2 (K75-10177)
33

REPAIR PARTS - MODEL SL595
SERVICE KITS

INDIVIDUAL PARTS
ITEM PART #
DESCRIPTION
1
K20-1050C-2P Motor - models SL595-50-11,
SL595-50-21, SL595-50-81
K20-3050C-4P Motor - models SL595-50-23,
SL595-50-43, SL595-50-83
K20-3050M-5 Motor - model SL595-50-53
K20-1100C-2P Motor - models SL595-100-11,
SL595-100-21, SL595-100-81
K20-3100C-4P Motor - models SL595-100-23,
SL595-100-43, SL595-100-83
K20-3100M-5 Motor - model SL595-100-53
K20-3200C-5 Motor - model SL595-200-53
2
32-10540
Gear reducer (20:1)
3
10-30702
Chain guard
4
11-3602
Idler shaft
5
15-3619
Sprocket 50B19 1-1/4" X 1/4"
6
305-153613 Idler sprocket
7
10-3209
Gate bracket
8
11-3503
Take-up bolt
9
19-3025
Chain #50, nickel plated - 25'
10
44-18491
Enclosure
11
82-QN43-12 Sq hd ss 7/16-14" X 3/4"
12
91-G0149
Idler bolt w/ zirc fitting
13
10-30699
Bracket mounting
14
K1C3196-3
Antenna
15
23-2016
Limit switch
16
13-10024
Limit nut
17
K74-G0589
RPM sensor (Hall effect) kit
18
12-3601
Pillowblock bearing
19
39-10541
Clutch disk

23-34815

ITEM PART #
K1
71-B120
71-B240
71-B575

NOT SHOWN
Stop/Reset button - located on
enclosure door

K75-18618

K75-12858

K75-18620

K72-18615

K29-32410

K75-18493

71-6532449
71-6532448
K50-18423

DESCRIPTION
Brake kit - 115 Volt models
Brake kit - 230-460 Volt models
Brake kit - 575 Volt models
Complete with: Brake hub kit, brake
release lever, brake disk, spring cup,
studs, compression springs, brake
solenoid, solenoid cover, spacers,
mounting plate and pressure plate.
Disconnect kit
Complete with: Disconnect support
bracket, detent plate, disconnect lever,
release yoke bevel and disconnect
shaft.
Clutch kit
Complete with: Clutch, pressure plate,
torque limiter sprocket assembly, bell
washer 3" ODX 1-1/2", nut 1-1/2" hex
jam, clutch disc and 1/4 X 1-1/2 key.
Limit box kit
Complete with: Limit switch box, lid
for cover, panel, adjustment plate,
mounting bracket, limit shaft bearing,
compression spring, spacer, nut,
terminal box, hall effect kit, tinnerman
nut double and e-ring
Drive shaft kit
Complete with: Disconnect bushing,
drive shaft, pillow block bearing,
sprocket, disconnect spring, chain,
disconnect key and e-ring.
Alarm kit
Complete with: Alarm, spacer
and faston.
Chain guide kit
NOT SHOWN
Heater kits (Optional) 115/230V single phase
Heater kits (Optional) - All 3 phase
Replacement heater with
thermostat only

I L L U S T R AT E D PA R T S - M O D E L 5 9 5
SL595 ILLUSTRATED PARTS
K7 (K75-18493)
11

3
12
7
9
8
6

5
2

K1 (71-B120)
(71-B240)
(71-B575)

K3 (K75-12858)

K2 (K75-18618)
13

)
615

18
72-

14
16

K6 (K29-32410)

K4 (K75-18620)

312HM Receiver Mounted to
the Inside of Enclosure

SAFETY ACCESSORIES FOR SECONDARY
ENTRAPMENT PROTECTION
The following devices are acceptable for Safety Accessories for
secondary entrapment protection.

PHOTO-ELECTRIC CONTROLS
MODEL
CPS-N4
AOMRON

DESCRIPTION
Emitter, receiver and mounting brackets - 30' (9 m) Maximum Range
Photocell/Electric Eye - 30' (9 m) Maximum Range
SENSING EDGES

MODEL
G65MG0204
G65MG0205
G65ME12C5
G65MGR205
G65MGS205

DESCRIPTION
Miller MG020 2-wire electric edge for gates. Sensitized on three sides.
Requires mounting channel (4' [1.2 m] long).
Miller MG020 2-wire electric edge for gates. Sensitized on three sides.
Requires mounting channel (5' [1.5 m] long).
Mounting Channel - 5' (1.5 m) long
Miller MGR20 2-wire electric edge in 5' (1.5 m) lengths for 2" (5 cm) round post.
Miller MGR20 2-wire electric edge in 5' (1.5 m) lengths for 2" (5 cm) square post.

VOLTAGE
+24V ac/dc
+24V ac/dc

NOTES

WARRANTY
LIFTMASTER® TWO YEAR LIMITED WARRANTY
The Chamberlain Group, Inc. warrants to the final purchaser of this product, for the structure in which this product is originally
installed, that it is free from defect in materials and/or workmanship for a period of two years from the date of purchase. The proper
operation of this product is dependent on your compliance with the instructions regarding installation, operation, maintenance and
testing. Failure to comply strictly with those instructions will void this limited warranty in its entirety.
If, during the limited warranty period, this product appears to contain a defect covered by this limited warranty, call 1-800-528-2806,
toll free, before dismantling this product. Then send this product, pre-paid and insured, to our service center for warranty repair. You
will be advised of shipping instructions when you call. Please include a brief description of the problem and a dated proof-of-purchase
receipt with any product returned for warranty repair. Products returned to Seller for warranty repair, which upon receipt by Seller are
confirmed to be defective and covered by this limited warranty, will be repaired or replaced (at Seller’s sole option) at no cost to you
and returned pre-paid. Defective parts will be repaired or replaced with new or factory-rebuilt parts at Seller’s sole option.
ALL IMPLIED WARRANTIES FOR THE PRODUCT, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE TWO YEAR LIMITED
WARRANTY PERIOD SET FORTH ABOVE, AND NO IMPLIED WARRANTIES WILL EXIST OR APPLY AFTER SUCH PERIOD. Some
States do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. THIS LIMITED
WARRANTY DOES NOT COVER NON-DEFECT DAMAGE, DAMAGE CAUSED BY IMPROPER INSTALLATION, OPERATION OR CARE
(INCLUDING, BUT NOT LIMITED TO ABUSE, MISUSE, FAILURE TO PROVIDE REASONABLE AND NECESSARY MAINTENANCE,
UNAUTHORIZED REPAIRS OR ANY ALTERATIONS TO THIS PRODUCT), LABOR CHARGES FOR REINSTALLING A REPAIRED OR
REPLACED UNIT, OR REPLACEMENT OF BATTERIES.
THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS WITH, OR RELATING TO, THE GATE OR GATE HARDWARE,
INCLUDING BUT NOT LIMITED TO THE GATE ALIGNMENT OR HINGES. THIS LIMITED WARRANTY ALSO DOES NOT COVER ANY
PROBLEMS CAUSED BY INTERFERENCE. ANY SERVICE CALL THAT DETERMINES THE PROBLEM HAS BEEN CAUSED BY ANY OF
THESE ITEMS COULD RESULT IN A FEE TO YOU.
UNDER NO CIRCUMSTANCES SHALL SELLER BE LIABLE FOR CONSEQUENTIAL, INCIDENTAL OR SPECIAL DAMAGES ARISING IN
CONNECTION WITH USE, OR INABILITY TO USE, THIS PRODUCT. IN NO EVENT SHALL SELLER’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 US ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS PRODUCT.
Some States do not allow the exclusion or limitation of consequential, incidental or special damages, so the above limitation or
exclusion may not apply to you. This limited warranty gives you specific legal rights, and you may also have other rights which vary
from state to state.

S E R V I C E I N F O R M AT I O N

HOW TO ORDER REPAIR PARTS
OUR LARGE SERVICE ORGANIZATION
SPANS AMERICA
INSTALLATION AND SERVICE INFORMATION
ARE AVAILABLE 6 DAYS A WEEK
CALL OUR TOLL FREE NUMBER
1-800-528-2806
HOURS 6:00 a.m. TO 7:00 p.m. (Central Std. Time)
MONDAY Through FRIDAY
HOURS 8:00 a.m. TO 6:00 p.m. (Central Std. Time)
SATURDAY
www.liftmaster.com
WHEN ORDERING REPAIR PARTS
PLEASE SUPPLY THE FOLLOWING INFORMATION:
PART NUMBER DESCRIPTION MODEL NUMBER
ADDRESS ORDER TO:
THE CHAMBERLAIN GROUP, INC.
Tucson Support Group
6020 Country Club Road
Tucson, AZ 85706

01-34850D

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Modify Date                     : 2006:04:13 08:35:01-07:00
Create Date                     : 2005:05:26 10:07:44-07:00
Author                          : THE CHAMBERLAIN GROUP, INC.
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Title                           : 
Creator                         : THE CHAMBERLAIN GROUP, INC.

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Liftmaster Heavy Duty Gate Operator Sl585 Users Manual

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