Chamberlain LIFTMASTER SL920 Manual de usuario

OWNER'S MANUAL

MODEL SL920

COMMERCIAL SLIDE GATE OPERATOR

2 YEAR WARRANTY

Serial # _____________________

(located on electrical box cover)

Installation Date:_______________

SL920 GATE OPERATORS ARE FOR USE ON VEHICULAR PASSAGES

ONLY AND NOT INTENDED FOR USE ON PEDESTRIAN PASSAGE GATES.

General Information.................................................................................................................3, 4

Features...................................................................................................................................5

Parts Identification...................................................................................................................6, 7

Installation................................................................................................................................8-11

Contents

Master Second...................................................................................................................18

Wiring Diagrams....................................................................................................................19, 20

Fine Tuning............................................................................................................................17

Electrical................................................................................................................................13-16

Alternate Installation..............................................................................................................12

Options..................................................................................................................................22-24

Safety Edge...........................................................................................................................21

Maintenance and Safety........................................................................................................25

Troubleshooting....................................................................................................................26, 27

IMPORTANT SAFETY INSTRUCTIONS

WARNING - To reduce the risk of 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) SAVE THESE INSTRUCTIONS.

Notes......................................................................................................................................28-31

Pg.

General Information

BASE PLATE HOLE PATTERN



OVERALL DIMENSIONS: Height: 21" Length: 12" Width: 17"



SHIPPING WEIGHT: 125 lbs.

zOptions: Steel Mounting Stand: 23 lbs.



POWER REQUIREMENT: Dedicated 115 Volt AC (+/- 10V), 5 AMP Power Circuit



APPLICATIONS:

zMaximum Gate Weight: 500 lbs.

zMaximum Gate Length: 25 ft.

zMaximum Track Grade: 5 % (1 ft. rise over 20 ft. run)

zMaximum Gate Speed: 10"/sec.



INCLUDED WITH OPERATOR:

z30-Feet of # 40 Roller Chain

z2-Master Links # 40

z2-Zinc Plated Chain Bolts

z2-Chain Brackets, Right and Left

z2-U-Bolts, Round (for chain brackets)

z2-U-Bolts, Square (for chain brackets)

z2-Safety Warning Placards

z1-Hex Wrench 5/16"

z1-Instruction Manual

z1-Flexible Conduit End Fitting 1/2"

z4-Sleeve Anchor Bolts (red heads) 3/8" X 3"



CIRCUIT BOARD: The SL920 uses the Full Systems Capability circuit board, a powerful control

system. This circuit board operates on 12 ~ 18 Volts and can deliver power to the motor through high

power switching. The limit switch input terminals require the use of normally open type limit switches.

These switches are used to accurately stop the gate operator in the open and closed positions. To

safeguard the operator from damage that could result from limit switch or system protection failure, the

Full Systems Capability circuit board has a built-in maximum run timer which will allow the operator to run

for approximately 300 seconds and then shut off automatically. The Full Systems Capability circuit board

has an adjustable gate sensitivity feature which will stop or reverse the gate if the gate is pushing harder

than normal because of an obstruction.



GATE SENSITIVITY: The SL920 Full Systems Capability circuit board has a built-in system

protection feature which when adjusted properly will deliver only enough power to the motor to overcome

the resistance of the gate. The amount of power that the circuit board will deliver can be adjusted for both

directions of travel to accommodate the various gate weights that the SL920 operator is recommended

for. (See Applications Pg. 3)



Vehicular Gate Operator Classes:

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 multifamily 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 an industrial location or building such as a factory or loading dock area or other locations 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 location

not servicing the general public, in which unauthorized access is prevented via supervision by security

personnel.

Gate Operator model SL920 is intended for Vehicular Gate Operator Classes I, II, III, and IV.



Gate Inspection:

a) Install the gate operator only when:

1) The operator is appropriate for the construction of the gate and the usage Class of the gate,

2) All openings of a horizontal slide gate are guarded or screened from the bottom of the gate to a minimum

of 4 ft. above the ground to prevent a 2-1/4 " 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.

3) All exposed pinch points are eliminated or guarded, and

4) Guarding is supplied for exposed rollers.

b) The operator is intended for installation only on gates used for vehicles. Pedestrians must be supplied with a

separate access opening.

c) The gate must be installed in a location so that enough clearance is supplied between the gate and adjacent

structures then opening and closing to reduce the risk of entrapment.

d) The gate must be properly installed and work freely in both directions prior to the installation of the gate operator.

Do not over-adjust the gate sensitivity to compensate for a damaged gate.

General Information continued...

Features



OPERATION

The SL920 Full Systems Capability can operate in a AUTO CLOSE TIMER (TIMER ON) or a

PUSH-TO-OPEN/PUSH-TO-CLOSE (TIMER OFF) mode of operation. In the AUTO CLOSE TIMER

mode of operation the operator is given a command to open the gate and hold it open until the input is

released and until the auto close timer has elapsed at which point the operator will close the gate

automatically. In the PUSH-TO-OPEN/PUSH-TO-CLOSE mode of operation each time a signal is sent to

the operator, it will cause it to do the opposite of what it did before. (i.e., If the gate is closed, it will start

opening, if it is open, it will start closing: If it is closing, it will REVERSE TO OPEN, if it is opening, it will

REVERSE TO CLOSE.)



CONTROLS

The SL920 Full Systems Capability works with the following control devices: Key switches, Push

buttons (separate or intercom), numerical key pads and any peripheral equipment which can supply

normally open or normally closed contacts as well as optional radio transmitters and receiver (specified

by and available from the manufacturer). These contacts can be connected to the operator input terminals

to perform the opening, close, safety, or the stop functions.



AUTO CLOSE TIMER

The operator comes factory preset with the auto close timer turned OFF. The auto close timer will

close the gate automatically after a specific amount of time has elapsed. The amount of time can be

easily adjusted between 0 and 45 seconds by turning a small "pot" located on the right edge of the circuit

board (See page 17). The timer can be disabled or activated by flipping a single switch located on the

top right edge of the circuit board. If the timer will be used it is recommended that some type of

supplementary safety device be installed. If more time is required, there is an extended timer available

from the manufacturer allowing up to 100 additional seconds (See Options).



MANUAL RELEASE SWITCH

This simple on-off switch is built into the operator. In an emergency, EVEN WITH THE POWER

OFF, the gate can be pushed open manually after flipping the switch from Operate to Release. This

switch may also be removed and placed externally from the machine.



GATE SENSITIVITY ADJUSTMENT FOR SYSTEM PROTECTION

The amount of force necessary to stop the gate can be adjusted to conform to the various sizes

and weights of any particular gate. When adjusting the sensitivity, the operator can be given only as much

energy as is necessary to overcome the resistance of the gate. If the gate should strike an obstruction in

either direction, the gate will reverse. If the gate should again strike an obstruction before reaching a limit,

the gate will stop, remain stopped, and will sound an alarm. (See page 17)



MASTER AND SECOND

Some very large entrances may require the use of two gates. If this is the case, the two gates can

be easily automated using the "master and second" configuration. This configuration uses two gates and

two operators in ONE driveway. The operators used are two regular SL920 Full Systems Capability

operators one of which is of standard "right hand operation" and the other which is easily converted to

"left hand operation" by flipping a single switch located at the top of the circuit board (See page 17).

Parts Identification

Parts Identification continued...

K72-30359 SERVICE KIT

K74-40045 SERVICE KIT

LIMIT/DRIVE SHAFT ASSEMBLY

PCB GUARD AND STANDOFF

ITEM

DESCRIPTION QTY

PART # DESCRIPTION QTY

LIMIT/DRIVE SHAFT 1

GUARD, PCB 1

113-40362 LIMIT NUT 2

BEARING 2

JUMPER, PCB 3

220-40381 MOTOR, 24VDC, 1/5 HP 1

LIMIT NUT 2

HEX STANDOFF, 6-32 x 1", M/F 4

3 21-40074 XFMR, 120V, 60HV 1

SPROCKET, 41B20, 1/4" KW, (2) 1/4" SS 1

HEX STANDOFF, 6-32 x 1/2", F/F 4

5 23-40050 LIMIT SWITCH 2

KEY, WOODRUFF, 1/4" X 7/8" 1

SCREW, PH PHILLIPS, #6-32 X 1/4" 4

523-40357 SWITCH SPST, TOGGLE 1

Steel shim washer, 1" x 1.5" x 0.010" 1

SCREW, PH PHILLIPS, #6-32 X 3/8" 4

625-40356 CIRCUIT BREAKER, 5 AMP 1

Steel shim washer, 1" x 1.5" x 0.031" 2

729-40089 SONALERT PIEZO ALARM 1

HEX BOLT, 3/8-16 X 1" 4

K74-40065 SERVICE KIT

829-40355 RESISTOR 10 OHM 1

FLANGE NUT, 3/8-16 4

EXTERNAL RESISTOR

9 29-NP712 BATTERY, 12V 7AH 1

E-RING, 1" 1

DESCRIPTION QTY

10 K79-40056 PCB, COMPLETE, FULL SYSTEM 1

EXTERNAL CURRENT RESISTOR

11 K79-40370 PCB, BATTERY CHARGE 1

K74-40084 BRIDGE RECTIFIER ASSEMBLY B

SHRINK WRAP, 1" 2

DESCRIPTION QTY

SCREW, PH PHILLIPS, #2-56 X 1/2" 2

CAPACITOR, RECTIFIER 1

LOCKNUT, #2-56 2

BRIDGE RECTIFIER 1

WIRE, GREEN, 8", STIP X FORK 1

SCREW, PH PHILLIPS, #6-32 X 1" 1

WIRE, YELLOW, 8", STIP X FORK 1

FLANGE NUT, 6-32 1

K75-40346 SERVICE KIT

K75-30349 SERVICE KIT

IDLER SPROCKET

GEAR BOX, W/ SPROCKET

DESCRIPTION QTY

SPROCKET, 41B24, 3/16" KW, (2) 1/4" SS 1

GEAR BOX 1

BEARING, 1/2" ID x 3/4" OD x 1/2" 1

HEX BOLT, 1/4-20 X 3/4" 4

HEX BOLT, 5/8-11 X 2-3/4", GRADE 5 1

LOCKWASHER, 1/4" 4

HEX JAM NUT, 5/8-11 2

KEY, 1/8" X 1-1/8" 1

LOCKWASHER, 5/8 1

SPROCKET, 35B12 X 5/8" BORE 1

K75-40402 SVC. KIT DRIVE SPROCKET H

K74-40386 SVC. KIT, LIMIT SWITCH D

DESCRIPTION QTY

SPROCKET, 41B18, 1/4" KW, (2) 1/4" SS 1

LIMIT SWITCH 2

KEY, WOODRUFF, 1/4" X 7/8" 1

HEX STANDOFF4-40 x 1-1/2 F/F 4

LIMIT SWITCH ACTUATOR PLATE 1

K75-40403 SVC. KIT, REDUCTION SPROCKET J

LOCKNUT, #8-32 2

DESCRIPTION QTY

LOCKWASHER, #4 8

SPROCKET, 35B54, 1" Bore 1

SCREW, PH PHILLIPS, #4-40 X 5/8" 8

KEY, WOODRUFF, 1/4" X 7/8" 1

SCREW, PH PHILLIPS, #8-32 X 1" 2

SPRING, LIMIT PLATE 2

K74-40378 SVC. KIT, OPERATOR COVER K

DESCRIPTION QTY

COVER, SL920 & 930 1

LABEL, LIFTMASTER BUBBLE 1

SCREW, SOCKET, 3/8-16 X 1" 4

WASHER, 5/16, INTERNAL GRIP, PLASTIC 4

INDIVIDAUL PARTS

12 25-2015 BREAKER 15AMP 1

50-19914 RADIO KIT (OPTIONAL)

DESCRIPTION QTY

412HM RADIO 1

CABLE EXTENSION KIT 1

STICK-ON CABLE FASTENER 2

6-32 x

½PAN HEAD SCREWS

6-32 x 1 HEX MALE/FEMALE STANDOFF 2

#6 FLAT WASHER 2

#6 LOCK WASHER 2

#6 NUT

3" STRIP OF FLEX-GROMET

Remove the gate operator from it's

package and make sure that all parts are

included. Refer to General Information and

Parts Identification. If any parts appear to be

missing, contact dealer.

Temporarily plug the operator into

115 Volt outlet or extension cord.

Before beginning installation, test the

gate operator by running the operator back

and fourth 2 or 3 times. If the gate operator

appears to have any shipping damage,

contact a dealer.

The operator may be run back and

fourth by momentarily touching the open input

terminals together. The terminals can be

touched together with a short length of wire,

paper clip or needle nose pliers. With full

systems capability circuit board, the open

input terminals are 5 and 6.

Disconnect Power when finished!

Installation

TEST OPERATOR

Installation continued...

Disconnect Power from the gate

operator!

The tail end of the gate should

extend approximately 24" beyond the edge of

the driveway. If this is not the case, an

extension tail will need to be added to the

gate. This will give room for the gate operator.

Make the extension tail 24" X 24" as shown.

If the gate has not yet been fabricated, add

24" to the length of the gate.

If no concrete surface exists to

attach the gate operator to, make a cement

pad 16" X 24" X 10". The cement pad should

be at least 6" in depth and extend below frost

line. If it is desirable to elevate the gate

operator it may protrude 4" or more above

ground as shown. Place the shortest pad

edge even with the driveway edge. Place the

longer edge of the pad 1" away from the gate.

If the steel mounting stand will be

used, place the shortest edge of the stand 4"

from the driveway edge and place the longest

edge of the stand 4-1/2" away from the gate.

The top of the steel stand may sit on the

ground or the stand may be elevated to keep

the operator above snow, flooding etc. Make

a post hole and cement the stand in place,

making sure the stand is level and square to

the gate.

CEMENT PAD LOCATION

GATE PREPERATION

OPTIONAL MOUNTING STAND

Installation Continued...

If the steel mounting stand was used,

simply bolt the gate operator to the stand. If

the operator will be mounted to a concrete

surface or pad, place the shortest edge of the

operator 4" away from the edge of the

driveway. Place the longer edge of the gate

operator 2-1/2" away from the gate.

When the gate operator is correctly

positioned on the concrete surface or pad,

mark the base hole locations onto the

cement with a felt tip marker or equivalent.

Once marked, move the operator to the side

and drill the 4 holes using a 3/8" masonry bit.

Place the operator back into position. Insert

the four sleeve anchors into the holes and

firmly tighten.

Now that the operator is firmly

attached, the chain may now be connected to

the gate and operator. Begin by threading the

chain through the sprockets. The sprockets

come arranged as shown so that the chain

may be threaded under the idler sprockets

and over the drive sprocket. Alternately, the

chain may be threaded over the idler sprock-

ets and under the drive sprocket by moving

the idler sprockets to the alternate positions

above. Note: the cover will need to be modi-

fied for the alternate arrangement.

POSITION GATE OPERATOR

ANCHOR THE OPERATOR

THREADING THE CHAIN

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