Chamberlain Garage Door Opener PD420 2 User Manual

The Chamberlain Group, Inc.

845 Larch Avenue

Elmhurst, Illinois 60126-1196

www.chamberlain.com

GARAGE DOOR OPENER

Models PD420 • PD420-2 • PD460-2 • PD460-2K

1/2 HP

For Residential Use Only

Owner’s Manual

■ Please read this manual and the enclosed safety materials carefully!

■ Fasten the manual near the garage door after installation.

■ The door WILL NOT CLOSE unless the Protector System is connected and

properly aligned.

■ Periodic checks of the opener are required to ensure safe operation.

■ The model number label is located on the front panel of your opener.

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Preparing your garage door

WARNING

Before you begin:

To prevent possible SERIOUS INJURY or DEATH:

• Disable locks.

• ALWAYS call a trained door systems technician if

garage door binds, sticks, or is out of balance. An

unbalanced garage door may not reverse when

required.

• NEVER try to loosen, move or adjust garage door, door

springs, cables, pulleys, brackets or their hardware, all

of which are under EXTREME tension.

• Disable ALL locks and remove ALL ropes connected to

garage door BEFORE installing and operating garage

door opener to avoid entanglement.

• Remove any ropes connected to garage door.

• Complete the following test to make sure your

garage door is balanced and is not sticking or

binding:

1. Lift the door about halfway as shown. Release

the door. If balanced, it should stay in place,

supported entirely by its springs.

2. Raise and lower the door to see if there is any

binding or sticking.

If your door binds, sticks, or is out of balance, call a

trained door systems technician.

CAUTION

To prevent damage to garage door and opener:

• ALWAYS disable locks BEFORE installing and operating

the opener.

• ONLY operate garage door opener at 120V, 60 Hz to

avoid malfunction and damage.

Sectional Door

Tools needed

One-Piece Door

During assembly, installation and adjustment of the

opener, instructions will call for hand tools as

illustrated below.

Pencil

Carpenter's

Level (Optional)

Hack Saw

Tape Measure

Wire Cutters

Drill

Claw Hammer

3/16", 5/16" and

5/32" Drill Bits

Pliers

1/2" and 7/16" Sockets

and Wrench

Stepladder

Screwdriver

Adjustable End Wrench

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Planning

Identify the type and height of your garage door.

Survey your garage area to see if any of the

conditions below apply to your installation. Additional

materials may be required. You may find it helpful to

refer back to this page and the accompanying

illustrations as you proceed with the installation of

your opener.

• Do you have an access door in addition to the

garage door? If not, Model 7702CB Emergency

Key Release is required. See Accessories page.

• Look at the garage door where it meets the floor.

Any gap between the floor and the bottom of the

door must not exceed 1/4" (6 mm). Otherwise, the

safety reversal system may not work properly. See

Adjustment Step 3. Floor or door should be

repaired.

Depending on your requirements, there are several

installation steps which may call for materials or

hardware not included in the carton.

• Installation Step 1 – Look at the wall or ceiling

above the garage door. The header bracket must

be securely fastened to structural supports.

SECTIONAL DOOR INSTALLATIONS

• Do you have a steel, aluminum, fiberglass or glass

panel door? If so, horizontal and vertical

reinforcement is required (Installation Step 12).

• Installation Step 4 – Depending upon garage

construction, extension brackets or wood blocks

may be needed to install sensors.

• The opener should be installed above the center of

the door. If there is a torsion spring or center

bearing plate in the way of the header bracket, it

may be installed within 4 feet (1.22 m) to the left or

right of the door center. See Installation Steps 1

and 12.

• Installation Step 4 – Alternate floor mounting of the

safety reversing sensor will require hardware not

provided.

• Installation Step 6 – Do you have a finished ceiling

in your garage? If so, a support bracket and

additional fastening hardware may be required.

• If your door is more than 7 feet high, see rail

extension kits listed on Accessories page.

FINISHED CEILING

SECTIONAL DOOR INSTALLATION

Support bracket &

fastening hardware

is required.

Horizontal and vertical reinforcement

is needed for lightweight garage doors

(fiberglass, steel, aluminum, door with

glass panels, etc.). See page 23 for details.

See page 19.

Rail

Header Wall

Motor unit

Extension

Spring

Torsion

Spring

Wall-

mounted

Door

Control

Access Door

CLOSED POSITION

Vertical

Header

Bracket

Rail

Bracket

Rail Assembly

Centerline

of Garage

Door

Garage

Trolley

Door

Spring

Emergency

Release

Rope & Handle

Straight

Door

Arm

Safety Reversing

Sensor

Gap between floor

and bottom of door

Header

Wall

Curved

Door

Arm

must not exceed 1/4" (6 mm).

Safety Reversing Sensor

Door

Bracket

Garage

Door

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Planning (Continued)

WARNING

ONE-PIECE DOOR INSTALLATIONS

Without a properly working safety reversal system,

persons (particularly small children) could be

SERIOUSLY INJURED or KILLED by a closing garage

door.

• Generally, a one-piece door does not require

reinforcement. If your door is lightweight, refer to

the information relating to sectional doors in

Installation Step 12.

• The gap between the bottom of the garage door and

the floor MUST NOT exceed 1/4" (6 mm). Otherwise,

the safety reversal system may not work properly.

• The floor or the garage door MUST be repaired to

eliminate the gap.

• Depending on your door’s construction, you may

need additional mounting hardware for the door

bracket (Step 12).

FINISHED CEILING

ONE-PIECE DOOR WITHOUT TRACK

Support bracket

& fastening

hardware is required.

See page 19.

Header Wall

Motor unit

Rail

Wall-mounted

Door Control

Access

Door

CLOSED POSITION

Header

Bracket

Rail

Bracket

Rail Assembly

Garage

Trolley

Door

Spring

Emergency

Release

Rope & Handle

Straight

Door

Arm

Safety Reversing

Sensor

Gap between floor

and bottom of door must not exceed 1/4" (6 mm).

Safety Reversing Sensor

Header

Wall

Curved

ONE-PIECE DOOR WITH TRACK

CLOSED POSITION

Rail

Bracket

Header

Wall

Trolley

Access

Door

Header

Bracket

Curved

Door Arm

Rail Assembly

Door

Bracket

Straight

Door

Arm

Garage

Door

Emergency Release

Rope & Handle

Safety

Reversing

Sensor

Gap between floor

and bottom of door

Safety

Reversing Sensor

must not exceed 1/4" (6 mm).

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Carton Inventory

Your garage door opener is packaged in one carton

which contains the motor unit and all parts illustrated

below. Accessories will depend on the model

packing material. PARTS MAY BE STUCK IN THE

FOAM. Hardware for assembly and installation is

shown on the next page. Save the carton and packing

material until installation and adjustment is complete.

purchased. If anything is missing, carefully check the

Model 460-2K

Model 420 (1),

Model 420-2 (2)

Model 460 (2)

Model 460-2K (2)

Remote Control

Transmitter Visor Clip

LOCK

LIGHT

SECURITY✚^®

3-Button

Remote Control

SECURITY✚^®

Keyless Entry

Single Button

Multi-Function

Door Control Panel

Remote Control

Rail Support

Braces (4)

Sprocket

Coupling

Motor Unit with a Light Lens

Rail

Assembly

2-Conductor Bell Wire

White & White/Red

Trolley

Straight Door

Arm Section

Header/Rail

Brackets

Curved Door

Arm Section

Header Bracket

Door Bracket

Hanging Brackets

Safety Labels

and

Literature

(2) Safety Reversing Sensors

(1 Sending Eye and 1 Receiving Eye)

with attached 2-Conductor

White & White/Black Bell Wire

Safety Reversing Sensor

Mounting Bracket (2)

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Hardware Inventory

Separate all hardware and group as shown below for the assembly and installation procedures.

ASSEMBLY HARDWARE

Lock Nut

1/4"-20x7/16 (12)

Bolt

Hex Bolt

1/4"-20x5/8" (4)

Sprocket Coupling Sleeve

1/4-20x1-3/4" (8)

INSTALLATION HARDWARE

Ring

Fastener (3)

Carriage Bolt

1/4"-20x1/2" (2)

Nut 5/16"-18 (6)

Handle

Wing Nut

1/4"-20 (2)

Lag Screw

5/16"-9x1-5/8" (2)

Hex Bolt

5/16"-18x7/8" (4)

Insulated

Staples (30)

Lock Washer 5/16" (6)

Lag Screw

5/16"-18x1-7/8" (2)

Screw

6ABx1-1/4" (2)

Screw 6-32x1" (2)

Rope

Carriage Bolt

5/16"-18x2-1/2" (2)

Dry Wall Anchors (2)

Clevis Pin

5/16"x1" (1)

Clevis Pin

5/16"x2-3/4" (1)

Clevis Pin

5/16"x1-1/4" (1)

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ASSEMBLY STEP 1

CAUTION

To prevent INJURY from pinching, keep hands and

fingers away from the joints while assembling the rail.

Assemble the Rail

To avoid installation difficulties, do not run the

garage door opener until instructed to do so.

1. Turn the opened rail carton upside down and

empty its contents onto a level work surface.

2. Unfold the rails, taking care to avoid kinking the

screw rod joint.

3. Rotate the rail sections so that the flat side is down

and the screw side is up for all three lengths. Keep

it clean and free of debris while you are working.

Straight

Door Arm

Remove

Cardboard Packing

Extend

End Rails

Outward

Rail

Support

Braces

Center

Rail

Trolley Rack

Rail Assembly

Hardware Bag

Chassis Assembly

Hardware Bag

Rail Assembly

Carton

Remove

Extend

Cardboard

End Rails

Packing

Outward

Sprocket End Rail

Rail

Sprocket

NOTE: During assembly, avoid pulling the rail section

housing the trolley rack away from the screw rod.

The rack is factory set about 9" (23 cm) from the end

of the screw rod to the center of the rack.

Rotate

If the plastic liner slides part way out during

assembly, simply push it back in.

Center Rail

Trolley Rack

Door End Rail

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Assemble the Rail (Continued)

4. Beginning with the sprocket end, straighten the

two rail sections so that the screw rod is in a

straight line at the joint. (Avoid handling the joint,

which may have sharp edges.)

5. Carefully slide the pins at the top edge of the rail

into the openings on the adjacent rail. It is

essential that the rail assembly be on a level

surface to achieve proper alignment and to

avoid damage to the pins.

6. Insert two 1/4"-20x1-3/4" bolts through the center

holes of a brace, and place its open length against

the rail at the joint, aligning the holes as shown.

Position another brace on the opposite side of the

rail over the bolts, add 1/4"-20 lock nuts, and hand

tighten. Insert two additional bolts and hand

tighten.

HARDWARE SHOWN ACTUAL SIZE

Bolt

Lock Nut

1/4"-20

1/4"-20x1-3/4" (8)

7. Keeping the rail straight and on a level surface,

grasp the screw rods on each side of the

remaining joint and pivot into a straight line.

Repeat steps 5 and 6.

8. With a 7/16" wrench, tighten bolts until snug,

beginning with the center holes. Do not

overtighten.

Sprocket End

(Back)

Rail

Support

Brace

Alignment

Hole

Lock

Nuts

Slide end rail

toward center rail

Rail Pin

Rail

Support

Brace

Bolts

1/4"-20x1-3/4"

Rail Pin

Lock

Nuts

Alignment

Hole

Center Rail

End

Rail

Alignment

Hole

Rail Pin

Center

Rail

Door End

(Front)

Bolts

1/4"-20x1-3/4"

Slide end rail

toward center rail

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ASSEMBLY STEP 2

Fasten the Rail to the Motor Unit

and Install the Trolley

HARDWARE SHOWN ACTUAL SIZE

Lock Nut

1/4"-20

Hex Bolt

1/4"-20x5/8"

NOTE: To aid in assembly and installation, replace

the foam packing around the motor unit. Remove it

after Installation Step 4.

• Working on a level surface, align the rail assembly

with the motor unit, as shown.

• Slip the coupling over the rail sprocket.

• Slide the rail through the motor unit bracket until

the coupling fits securely over the motor unit

sprocket.

• Align the two bolt holes in the rail with those in the

motor unit bracket. Insert two 1/4"-20x5/8" hex

bolts and lock nuts. Tighten securely with a 7/16"

socket wrench.

Motor Unit

Sprocket

Slide the trolley onto and along the bottom of the

rail until it snaps firmly in place. Be certain to

install it facing correctly: the trolley release

arm must be horizontal (lock position), with its

arrow pointed away from the motor unit.

Motor Unit

Bracket

Lock Nuts

1/4"-20

Coupling

Rail

Sprocket

Rail

Assembly

Hex Bolts

1/4"-20x5/8"

Foam Packaging

Trolley

Arrow must point

toward garage door

Release arm

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Lock Nuts

1/4"-20

ASSEMBLY STEP 3

Attach the Rail Brackets

Rail

Brackets

• Align rail brackets to end of rail assembly, as

shown.

• Insert two 1/4"-20x5/8" hex bolts and lock nuts.

Tighten securely with a 7/16" socket.

Hex Bolts

1/4"-20x5/8

Rail

You have now finished assembling your garage

door opener. Please read the following warnings

before proceeding to the installation section.

HARDWARE SHOWN ACTUAL SIZE

Lock Nut

1/4"-20

Hex Bolt

1/4"-20x5/8"

INSTALLATION

IMPORTANT INSTALLATION INSTRUCTIONS

WARNING

To reduce the risk of SEVERE INJURY or DEATH:

1. READ AND FOLLOW ALL INSTALLATION WARNINGS

AND INSTRUCTIONS.

2. Install garage door opener only on properly balanced

and lubricated garage door. An improperly balanced

door may not reverse when required and could result in

SEVERE INJURY or DEATH.

3. All repairs to cables, spring assemblies and other

hardware MUST be made by a trained door systems

technician BEFORE installing opener.

4. Disable all locks and remove all ropes connected to

garage door BEFORE installing opener to avoid

entanglement.

5. Install garage door opener 7 feet (2.13 m) or more

above floor.

6. Mount emergency release handle 6 feet (1.83 m) above

floor.

7. NEVER connect garage door opener to power source

until instructed to do so.

8. NEVER wear watches, rings or loose clothing while

installing or servicing opener. They could be caught in

garage door or opener mechanisms.

9. Install wall-mounted garage door control:

• within sight of the garage door.

• out of reach of children at minimum height of 5 feet

(1.5 m).

• away from all moving parts of the door.

10. Place entrapment warning label on wall next to garage

door control.

11. Place manual release/safety reverse test label in plain

view on inside of garage door.

12. Upon completion of installation, test safety reversal

system. Door MUST reverse on contact with a

1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on

the floor.

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Unfinished

Ceiling

OPTIONAL

CEILING

MOUNT

FOR

HEADER

BRACKET

INSTALLATION STEP 1

Determine the Header Bracket

Location

2x4

Header Wall

WARNING

To prevent possible SERIOUS INJURY or DEATH:

Vertical Centerline

of Garage Door

2x4

Structural

Supports

• Header bracket MUST be RIGIDLY fastened to

structural support on header wall or ceiling, otherwise

garage door might not reverse when required. DO NOT

install header bracket over drywall.

• Concrete anchors MUST be used if mounting header

bracket or 2x4 into masonry.

• NEVER try to loosen, move or adjust garage door,

springs, cables, pulleys, brackets, or their hardware,

all of which are under EXTREME tension.

Level

(optional)

• ALWAYS call a trained door systems technician if

garage door binds, sticks, or is out of balance. An

unbalanced garage door might not reverse when

required.

Installation procedures vary according to garage door

types. Follow the instructions which apply to your

door.

1. Close the door and mark the inside vertical

centerline of the garage door.

2. Extend the line onto the header wall above the

door.

Header Wall

3" (7.5 cm)

You can fasten the header bracket within 4 feet

(1.22 m) of the left or right of the door center

only if a torsion spring or center bearing plate

is in the way; or you can attach it to the ceiling

(see page 13) when clearance is minimal. (It

may be mounted on the wall upside down if

necessary, to gain approximately 1/2" (1 cm).

Header Wall

3" (7.5 cm)

Track

Highest Point

of Travel

Highest Point

of Travel

Door

If you need to install the header bracket on a 2x4

(on wall or ceiling), use lag screws (not provided)

to securely fasten the 2x4 to structural supports as

shown here and on page 13.

One-piece door with horizontal track

Sectional door with curved track

3. Open your door to the highest point of travel as

shown. Draw an intersecting horizontal line on the

header wall above the high point:

• 3" (7.5 cm) above the high point for sectional

door and one-piece door with track.

Header Wall

8" (20 cm)

• 8" (20 cm) above the high point for one-piece

door without track.

Header Wall

8" (20 cm)

This height will provide travel clearance for the top

edge of the door.

Highest

Door

Point

of Travel

NOTE: If the total number of inches exceeds the

height available in your garage, use the maximum

height possible, or refer to page 13 for ceiling

installation.

of Travel

Door

Jamb

Hardware

Pivot

One-piece door without track:

pivot hardware

One-piece door without track:

jamb hardware

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INSTALLATION STEP 2

Install the Header Bracket

Wall Mounting Holes

CEILING MOUNT ONLY

You can attach the header bracket either to the wall

above the garage door, or to the ceiling. Follow the

instructions which will work best for your particular

requirements. Do not install the header bracket

over drywall. If installing into masonry, use

concrete anchors (not provided).

The nail hole is for

positioning only.

You must use lag screws

to mount the header bracket.

Optional

Wall Mounting Holes

WALL HEADER BRACKET INSTALLATION

• Center the bracket on the vertical centerline with

the bottom edge of the bracket on the horizontal

line as shown (with the arrow pointing toward the

ceiling).

Vertical

Centerline of

Garage Door

Header

Wall

Lag Screws

5/16"x9x1-5/8"

• Mark the vertical set of bracket holes. Drill 3/16"

pilot holes and fasten the bracket securely to a

structural support with the hardware provided.

2x4

Structural

Support

Header

Bracket

Door Spring

HARDWARE SHOWN ACTUAL SIZE

Horizontal

Line

Garage

Door

Highest Point of

Garage Door Travel

Vertical

Centerline of

Garage Door

Lag Screw

5/16"-9x1-5/8"

CEILING HEADER BRACKET INSTALLATION

• Extend the vertical centerline onto the ceiling as

shown.

• Center the bracket on the vertical mark, no more

than 6" (15 cm) from the wall. Make sure the arrow

is pointing toward the wall. The bracket can be

mounted flush against the ceiling when clearance

is minimal.

– Finished Ceiling –

Vertical

• Mark the side holes. Drill 3/16" pilot holes and

fasten bracket securely to a structural support with

the hardware provided.

Centerline

Header

Bracket

of Garage Door

6" (15 cm)

Maximum

Door

Spring

Lag Screws

5/16"-9x1-5/8"

Ceiling Mounting Holes

CEILING MOUNT ONLY

Header Wall

The nail hole is for

positioning only.

You must use lag screws

to mount the header bracket.

Garage Door

Vertical

Centerline

of Garage Door

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INSTALLATION STEP 3

Attach the Rail to the Header

Bracket

• Position the opener on the garage floor below the

header bracket. Use packing material as a

protective base. NOTE: If the door spring is in the

way you’ll need help. Have someone hold the

opener securely on a temporary support to allow

the rail to clear the spring.

• Position the rail bracket against the header

bracket.

• Align the bracket holes and join with a clevis pin

5/16"x2-3/4" as shown.

• Insert a ring fastener to secure.

Header Wall

Header Bracket

Rail Bracket

Ring Fastener

Header Bracket

Rail

Clevis Pin

5/16"x2-3/4"

Rail

Bracket

Rail

Garage

Door

Opener Carton or

Temporary

Support

HARDWARE SHOWN ACTUAL SIZE

Clevis Pin

5/16"x2-3/4"

Ring Fastener

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INSTALLATION STEP 4

WARNING

Install The Protector System

• Be sure power is not connected to the garage door

opener BEFORE installing the safety reversing sensor.

The safety reversing sensor must be connected

and aligned correctly before the garage door

opener will move in the down direction.

• To prevent SERIOUS INJURY or DEATH from a closing

garage door:

– Correctly connect and align the safety reversing

sensor. This required safety device MUST NOT be

disabled.

IMPORTANT INFORMATION ABOUT

THE SAFETY REVERSING SENSOR

– Install the safety reversing sensor so beam is NO

HIGHER than 6" (15 cm) above garage floor.

When properly connected and aligned, the sensor

will detect an obstacle in the path of its electronic

beam. The sending eye (with an amber indicator

light) transmits an invisible light beam to the

receiving eye (with a green indicator light). If an

obstruction breaks the light beam while the door is

closing, the door will stop and reverse to full open

position, and the opener lights will flash 10 times.

If it is necessary to mount the units on the wall, the

brackets must be securely fastened to a solid

surface such as the wall framing. Extension brackets

(see accessories) are available if needed. If

installing in masonry construction, add a piece of

wood at each location to avoid drilling extra holes in

masonry if repositioning is necessary.

The units must be installed inside the garage so that

the sending and receiving eyes face each other

across the door, no more than 6" (15 cm) above the

floor. Either can be installed on the left or right of the

door as long as the sun never shines directly into the

receiving eye lens.

The invisible light beam path must be unobstructed.

No part of the garage door (or door tracks, springs,

hinges, rollers or other hardware) may interrupt the

beam while the door is closing.

The mounting brackets are designed to clip onto the

track of sectional garage doors without additional

hardware.

Sensor Beam

6" (15 cm) max.

above floor

Invisible Light Beam

Protection Area

6" (15 cm) max.

above floor

Facing the door from inside the garage

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INSTALLING THE BRACKETS

Be sure power to the opener is disconnected.

Install and align the brackets so the sensors will face

each other across the garage door, with the beam no

higher than 6" (15 cm) above the floor. They may be

installed in one of three ways, as follows.

DOOR TRACK MOUNT (RIGHT SIDE)

Figure 1

Door

Track

Lip

Garage door track installation (preferred):

Indicator

Light

• Slip the curved arms over the rounded edge of

each door track, with the curved arms facing the

door. Snap into place against the side of the track.

It should lie flush, with the lip hugging the back

edge of the track, as shown in Figure 1.

Sensor

Bracket

Lens

If your door track will not support the bracket

securely, wall installation is recommended.

Wall installation (Figure 2 & 3):

• Place the bracket against the wall with curved

arms facing the door. Be sure there is enough

clearance for the sensor beam to be unobstructed.

WALL MOUNT (RIGHT SIDE)

Inside

arage

Figure 2

Fasten Wood Block to Wall with

Lag Screws (Not Provided)

all

Indicator

Light

• If additional depth is needed, an extension bracket

(See Accessories) or wood blocks can be used.

Sensor

Bracket

• Use bracket mounting holes as a template to

locate and drill (2) 3/16" diameter pilot holes on

the wall at each side of the door, no higher than 6"

(15 cm) above the floor.

Lag Screws

(Not Provided)

Lens

• Attach brackets to wall with lag screws

(Not provided).

• If using extension brackets or wood blocks, adjust

right and left assemblies to the same distance out

from the mounting surface. Make sure all door

hardware obstructions are cleared.

WALL MOUNT (RIGHT SIDE)

Figure 3

Inside

Extension

Bracket

(See Accessories)

arage

all

Floor installation (Figure 4):

(Provided with

Extension Bracket)

• Use wood blocks or extension brackets (See

Accessories) to elevate sensor brackets so the

lenses will be no higher than 6" (15 cm) above the

floor.

• Carefully measure and place right and left

assemblies at the same distance out from the wall.

Be sure all door hardware obstructions are

cleared.

Sensor

Bracket

(Provided with

Extension

Bracket)

• Fasten to the floor with concrete anchors as

shown.

Indicator

Light

Lens

FLOOR MOUNT (RIGHT SIDE)

Figure 4

HARDWARE SHOWN ACTUAL SIZE

Attach with

Concrete Anchors

(Not Provided)

Inside

arage

all

Lens

Indicator

Light

Carriage Bolt

1/4"-20x1/2"

Wing Nut

1/4"-20

Staples

Sensor

Bracket

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MOUNTING AND WIRING THE SAFETY SENSORS

Figure 5

• Slide a 1/4"-20x1/2" carriage bolt head into the slot

on each sensor. Use wing nuts to fasten sensors

to brackets, with lenses pointing toward each other

across the door. Be sure the lens is not obstructed

by a bracket extension. See Figure 5.

Wing Nut

Carriage Bolt

1/4"-20x1/2"

• Finger tighten the wing nuts.

Lens

Recommended Wire Routing

1. Using insulated staples, run the wires from both

sensors to the rail at the door header

(see Figure 6).

HARDWARE SHOWN ACTUAL SIZE

2. Cross and twist the two wires where they meet

the rail (see Figure 6, Illustration A). Run the wires

inside the channels at the top of the rail, along

each side, to the motor unit. Do not use the lower

(trolley) channels. Use a screwdriver tip to tuck

the wires snugly into the channels.

Carriage Bolt

1/4"-20x1/2"

Wing Nut

1/4"-20

Staples

NOTE: If your access door is near the garage

door, you may choose to install the door control at

this time and run the door control wire along the

rail with the sensor wires. Use one rail channel for

the door control wire and the other channel for

both sensor wires. If you choose this option, follow

instructions 1-3 on page 20 now.

3. Pull wires taut across the top of the chassis and

insert into the opening above the terminal block

(see Figure 6, Illustration B). You will complete the

wiring in Installation Step 7.

Header

Wall

Sensor

Wire

Twist

Wires

Sensor

Wire

Header

Bracket

Figure 6

Rail

Channel

1. Run wires from sensors to end of rail

at the door header. Cross & twist here to

help contain wires in channels on top of rail.

Bell Wire

2. Run wires along channels

to motor unit. Use screwdrive blade

to tuck snugly into channels.

3. Pull wires taut across top of chassis

and insert into opening above

terminal block.

Sensor

Invisible Light Beam

Protection Area

Sensor

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INSTALLATION STEP 5

CAUTION

To prevent damage to garage door, rest garage door

opener rail on 2x4 placed on top section of door.

Position the Opener

Follow instructions which apply to your door type as

illustrated.

SECTIONAL DOOR OR ONE-PIECE DOOR WITH

TRACK

A 2x4 laid flat is convenient for setting an ideal

door-to-rail distance.

• Remove foam packaging.

• Raise the opener onto a stepladder. You will need

help at this point if the ladder is not tall enough.

2x4 is used to determine

the correct mounting

height from ceiling.

• Open the door all the way and place a 2x4 laid flat

on the top section beneath the rail.

Door

• If the top section or panel hits the trolley when you

raise the door, pull down on the trolley release arm

to disconnect inner and outer sections. Slide the

outer trolley toward the motor unit. The trolley can

remain disconnected until Installation Step 13

is completed.

Trolley

Release Arm

ENGAGED

RELEASED

ONE-PIECE DOOR WITHOUT TRACK

Header

Bracket

A 2x4 on its side is convenient for setting an ideal

door-to-rail distance.

Top of Door

• Remove foam packaging.

• Raise the opener onto a stepladder. You will need

help at this point if the ladder is not tall enough.

2x4 is used to determine

the correct mounting height

from ceiling.

• Open the door all the way and place a 2x4 on its

side on the top section of the door beneath the rail.

• The top of the door should be level with the top of

the motor unit. Do not position the opener more

than 4" (10 cm) above this point.

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INSTALLATION STEP 6

WARNING

To avoid possible SERIOUS INJURY from a falling

garage door opener, fasten it SECURELY to structural

supports of the garage. Concrete anchors MUST be used

if installing any brackets into masonry.

Hang the Opener

Three representative installations are shown. Yours

may be different. Hanging brackets should be angled

(Figure 1) to provide rigid support. On finished

ceilings (Figure 2), attach a sturdy metal bracket to

structural supports before installing the opener. This

bracket and fastening hardware are not provided

(see accessories).

Structural

Supports

Figure 1

Existing brackets from a previous installation may be

fastened to the sides of the motor unit as in

Figures 1 and 2, or to the mounting tabs as shown in

Figure 3. Then continue with step 5 below.

Lag Screws

5/16"- 18x1-7/8"

Measure

Distance

1. Measure the distance from each side of the motor

unit to the structural support.

Hex Bolt

5/16"-18x7/8"

Lock Washers 5/16"

Nuts 5/16"-18

2. Cut both pieces of the hanging bracket to required

lengths.

3. Drill 3/16" pilot holes in the structural supports.

4. Attach one end of each bracket to a support with

5/16"-18x1-7/8" lag screws.

Preferred range of

bracket placement

5. Fasten the opener to the hanging brackets with

5/16"-18x7/8" hex bolts, lock washers and nuts.

If you wish to utilize the two center mounting tabs,

you must triangulate the vertical brackets for

additional stability. See Figure 3.

Figure 2

— FINISHED CEILING —

Hidden

Support

6. Check to make sure the rail is centered over the

door (or in line with the header bracket if the

bracket is not centered above the door).

Lag Screws

5/16"-18x1-7/8"

Bracket

(Not Provided)

7. Remove the 2x4. Operate the door manually. If

the door hits the rail, raise the header bracket.

Bolt 5/16"-18x7/8"

Lock Washer 5/16"

Nut 5/16"-18

NOTE: DO NOT connect power to opener at this

time.

Bolt 5/16"-18x7/8"

Lock Washer 5/16"

Nut 5/16"-18

HARDWARE SHOWN ACTUAL SIZE

Preferred range of

bracket placement

Figure 3

Lag Screw 5/16"-18x1-7/8"

Existing Brackets

Top Mounting Tabs

Hex Bolt

5/16"-18x7/8"

Lock Washer 5/16"

Nut 5/16"-18

Bracket

(Provided)

Utilizing existing installation

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INSTALLATION STEP 7

WARNING

Install the Door Control

To prevent possible SERIOUS INJURY or DEATH from

electrocution:

Locate door control within sight of door at a minimum

height of 5 feet (1.5 m) where small children cannot

reach, and away from moving parts of door and door

hardware. The installation surface must be smooth

and flat. If installing into drywall (Figure 1), drill 5/32"

holes and use anchors provided. For pre-wired

installations (as in new home construction), it may be

mounted to a single gang box (Figure 2). NOTE: After

installation, a green or amber indicator light behind the

cover will indicate proper connection. If not lit, the

Lock and Light features will not function (reverse wires

to correct).

• Be sure power is not connected BEFORE installing door

control.

• Connect ONLY to 24 VOLT low voltage wires.

To prevent possible SERIOUS INJURY or DEATH from a

closing garage door:

• Install door control within sight of garage door, out of

reach of children at a minimum height of 5 feet

(1.52 m), and away from all moving parts of door.

• NEVER permit children to operate or play with door

control push buttons or remote control transmitters.

• Activate door ONLY when it can be seen clearly, is properly

adjusted, and there are no obstructions to door travel.

• ALWAYS keep garage door in sight until completely

closed. NEVER permit anyone to cross path of closing

garage door.

1. Strip 7/16" (11 mm) of insulation from one end of

bell wire and connect to the two screw terminals on

back of door control by color: white wire to WHT

and white/red wire to the RED (Figure 3).

2. Remove white cover by gently prying on a side

corner near the top of the cover with a small flat

head screwdriver (Figure 4). Fasten with

6ABx1-1/4" self-tapping screws (drywall installation)

or 6-32x1" machine screws (into gang box) as

follows:

HARDWARE SHOWN ACTUAL SIZE

Insulated

Staples

Screw 6ABx1-1/4"

Control Console (std installation)

• Drill and install bottom screw, allowing 1/8" (3 mm)

to protrude above wall surface.

• Position bottom of door control on screw head and

slide down to secure. Adjust screw for snug fit.

Screw 6-32x1"

Control Console (pre-wired)

Drywall Anchors

• Install top screw with care to avoid cracking plastic

PRE-WIRED

STANDARD

INSTALLATION

housing. Do not overtighten.

Figure 1

Figure 2

INSTALLATION

• Insert bottom tabs and snap on cover.

Single

Gang Box

NOTE: The push bar may stick if the door control is

not mounted on a smooth surface. If a click is not

heard when pressing the push bar, loosen the two

mounting screws or relocate the door control to a

smoother surface.

LOCK

LIGH

LOCK

LIGH

To Replace

3. (Standard installation only) Run bell wire up wall

and across ceiling to motor unit. Use insulated

staples to secure wire in several places. Do not

pierce wire with a staple, creating a short or open

circuit. If your access door is near the garage door,

you may run this wire with the Safety Reversing

Sensor wires along the top of the rail. See page 17.

4. Insert all wires through the opening on top of motor

unit above the terminal block on the back panel

(Figure 4).

24 Volt

Bell Wire

Insert Bottom Tabs First

To Replace

Insert Bottom Tabs First

Figure 3

Figure 4

Sensors

Door

Control

Terminal

Screws

Bell

Wire

RED WHT

5. Strip 7/16" (11 mm) of insulation from each set of bell

wires. Connect bell wires to the quick-connect

Bottom

Mounting Hole

terminals as follows: white to white and white/red to

red; white to white and white/black to grey (Figure 5).

NOTE: When connecting multiple door controls to the

opener, twist same color wires together. Insert wires

into quick-connect holes: white to white and red/white

to red.

Quick-

Connect

Terminal

To release wire, push in

tab with screwdriver tip

Door Control

Connections

Safety Sensor

Connections

6. Use tacks or staples to permanently attach

entrapment warning label to wall near door control,

and manual release/safety reverse test label in a

prominent location on inside of garage door.

NOTE: DO NOT connect the power and operate the

opener at this time. The trolley will travel to the full open

position but will not return to the close position until the

sensor beam is connected and properly aligned.

Red White Grey

7/16" (11 mm)

Strip wire 7/16" (11 mm)

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INSTALLATION STEP 8

CAUTION

Install the Lights and Lens

To prevent possible OVERHEATING of the endpanel or

light socket,

• Install a 100 watt maximum light bulb in each

socket. The lights will turn ON and remain lit for

approximately 4-1/2 minutes when power is

connected. Then the lights will turn OFF.

• DO NOT use short neck or specialty light bulbs.

• DO NOT use halogen bulbs. Use ONLY incandescent.

• Insert bottom lens tabs into slots on chassis. Tilt

towards chassis to engage top tabs, then drop

down gently into place. (See illustration.)

Top Lens Tab

Lens

• To remove, depress both top lens tabs. Tilt lens

slightly outward and down, then pull out to clear

bulbs. Use care to avoid snapping off bottom lens

tabs.

Bottom

Lens Tab

Top

Chassis

Slot

NOTE: Use only standard light bulbs. The use of

short neck or speciality light bulbs may overheat the

endpanel or light socket.

Bottom

Chassis Slots

Top

Lens Tab

Top

Chassis Slot

Lens

Bottom

Chassis Slot

Insert Bottom

Lens Tabs First

INSTALLATION STEP 9

Attach the Emergency Release

Rope and Handle

WARNING

To prevent possible SERIOUS INJURY or DEATH from a

falling garage door:

• If possible, use emergency release handle to disengage

trolley ONLY when garage door is CLOSED. Weak or

broken springs or unbalanced door could result in an

open door falling rapidly and/or unexpectedly.

• NEVER use emergency release handle unless garage

doorway is clear of persons and obstructions.

• Thread one end of the rope through the hole in the

top of the red handle so “NOTICE” reads right side

up as shown. Secure with an overhand knot at

least 1" (2.5 cm) from the end of the rope to

prevent slipping.

• Thread the other end of the rope through the hole

in the release arm of the outer trolley.

• NEVER use handle to pull door open or closed. If rope

knot becomes untied, you could fall.

• Adjust rope length so the handle is 6 feet (1.83 m)

above the floor. Ensure that the rope and handle

clear the tops of all vehicles to avoid

Trolley

entanglement. Secure with an overhand knot.

NOTE: If it is necessary to cut the rope, heat seal

the cut end with a match or lighter to prevent

unraveling.

Trolley

Release Arm

Overhand

Knot

TIC

Emergency

Release Handle

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INSTALLATION STEP 10

WARNING

Electrical Requirements

To prevent possible SERIOUS INJURY or DEATH from

electrocution or fire:

To avoid installation difficulties, do not run the

opener until Step 9 below.

• Be sure power is not connected to the opener, and

disconnect power to circuit BEFORE removing cover to

establish permanent wiring connection.

• Garage door installation and wiring MUST be in

compliance with all local electrical and building codes.

• NEVER use an extension cord, 2-wire adapter, or

change plug in any way to make it fit outlet. Be sure

the opener is grounded.

To reduce the risk of electric shock, your garage door

opener has a grounding type plug with a third

grounding pin. This plug will only fit into a grounding

type outlet. If the plug doesn't fit into the outlet you

have, contact a qualified electrician to install the

proper outlet.

PERMANENT WIRING

CONNECTION

RIGHT

WRONG

If permanent wiring is required by your local

code, refer to the following procedure.

Ground Tab

To make a permanent connection through the 7/8"

hole in the top of the motor unit:

Green

Ground Screw

• Remove the motor unit cover screws and set the

cover aside.

Black

Wire

Ground Wire

• Remove the attached 3-prong cord.

• Connect the black (line) wire to the screw on the

brass terminal; the white (neutral) wire to the

screw on the silver terminal; and the ground wire

to the green ground screw. The opener must be

grounded.

Black Wire

White Wire

• Reinstall the cover.

To avoid installation difficulties, do not run the

opener until Step 9 below.

INSTALLATION STEP 11

TROUBLESHOOTING THE SAFETY SENSORS

Complete the Safety Reversing

Sensor Installation

1. If the sending eye indicator light does not glow

steadily after installation, check for:

• Electric power to the opener.

ALIGNING THE SAFETY SENSORS

• A short in the white or white/black wires. These

can occur at staples, or at opener connections.

• Incorrect wiring between sensors and opener.

• A broken wire.

• Plug in the opener. The indicator lights in both the

sending and receiving eyes will glow steadily if

wiring connections and alignment are correct.

2. If the sending eye indicator light glows steadily but

the receiving eye indicator light doesn't:

The sending eye amber indicator light will glow

regardless of alignment or obstruction. If the green

indicator light in the receiving eye is off, dim, or

flickering (and the invisible light beam path is not

obstructed), alignment is required:

• Check alignment.

• Check for an open wire to the receiving eye.

3. If the receiving eye indicator light is dim, realign

• Loosen the sending eye wing nut and readjust,

aiming directly at the receiving eye. Lock in place.

either sensor.

NOTE: When the invisible beam path is obstructed

or misaligned while the door is closing, the door will

reverse. If the door is already open, it will not close.

The opener lights will flash 10 times. (See page 15.)

• Loosen the receiving eye wing nut and adjust the

sensor until it receives the sender’s beam. When

the green indicator light glows steadily, tighten the

wing nut.

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INSTALLATION STEP 12

CAUTION

Fasten the Door Bracket

Fiberglass, aluminum or lightweight steel garage doors

WILL REQUIRE reinforcement BEFORE installation of

door bracket. Contact your door manufacturer for

reinforcement kit.

Follow instructions which apply to your door type

as illustrated below or on the following page.

A horizontal reinforcement brace should be long

enough to be secured to two or three vertical

supports. A vertical reinforcement brace should

cover the height of the top panel.

Header

Bracket

Figure 1 shows one piece of angle iron as the

horizontal brace. For the vertical brace, 2 pieces of

angle iron are used to create a U-shaped support.

The best solution is to check with your garage door

manufacturer for an opener installation door

reinforcement kit.

Door

Bracket

Location

NOTE: Many door reinforcement kits provide for

direct attachment of the clevis pin and door arm. In

this case you will not need the door bracket; proceed

to Step 13.

HORIZONTAL AND VERTICAL

REINFORCEMENT IS NEEDED

FOR LIGHTWEIGHT GARAGE

DOORS (FIBERGLASS,

ALUMINUM, STEEL, DOORS

WITH GLASS PANEL, ETC.).

(NOT PROVIDED)

Vertical

Centerline

of Garage

Door

SECTIONAL DOORS

1. Center the door bracket on the previously marked

vertical centerline used for the header bracket

installation. Note correct UP placement, as

stamped inside the bracket.

Figure 1

2. Position the top edge of the bracket 2"-4"

(5-10 cm) below the top edge of the door, OR

directly below any structural support across the top

of the door.

Vertical

Reinforcement

(Not Provided)

Vertical

Reinforcement

Vertical

Centerline

of Garage Door

3. Mark, drill holes and install as follows, depending

on your door’s construction:

Vertical

Bolt

5/16"-18x2"

Centerline

of Garage Door

Metal or light weight doors using a vertical angle

iron brace between the door panel support and

the door bracket:

Door

Bracket

Lock Washer

5/16"

Door

• Drill 3/16" fastening holes. Secure the door bracket

using the two 1/4"-14x5/8" self-threading screws.

(Figure 2A)

Nut

Bracket

5/16"-18

Self-Threading

Screw

Figure 2B

1/4"-14x5/8"

• Alternately, use two 5/16" bolts, lock washers and

nuts (not provided). (Figure 2B)

Figure 2A

Inside Edge

of Door or

(Not Provided)

Metal, insulated or light weight factory reinforced

doors:

Reinforcement Board

Bolt

5/16"x2"

• Drill 3/16" fastening holes. Secure the door bracket

using the self-threading screws (Figure 3).

Wood Doors:

Vertical

• Use top and bottom or side to side door bracket

holes. Drill 5/16" holes through the door and

secure bracket with 5/16"x2" carriage bolts, lock

washers and nuts (not provided). (Figure 4)

Centerline

of Garage Door

Vertical

Centerline

of Garage

Door

NOTE: The 1/4"-14x5/8"

self-threading screws are

not intended for use on

Self-Threading

Screw

1/4"-14x5/8"

Figure 4

HARDWARE

SHOWN

ACTUAL SIZE

wood doors.

Self-Threading

Screw

Figure 3

1/4"-14x5/8"

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ONE-PIECE DOORS

Please read and comply with the warnings and

reinforcement instructions on the previous page.

They apply to one-piece doors also.

• Center the door bracket on the top of the door, in

line with the header bracket as shown. Mark either

the left and right, or the top and bottom holes.

HARDWARE SHOWN

ACTUAL SIZE

• Metal Doors: Drill 3/16" pilot holes and fasten the

bracket with the 1/4"-14x5/8" self-threading screws

provided.

• Wood Doors: Drill 5/16" holes and use 5/16"x2"

carriage bolts, lock washers and nuts (not

provided) or 5/16"x1-1/2" lag screws (not provided)

depending on your installation needs.

Self-Threading Screw

1/4"-14x5/8"

NOTE: The door bracket may be installed on the top

edge of the door if required for your installation.

(Refer to the dotted line optional placement drawing.)

Self-Threading

Screw

1/4"-14x5/8"

Door

Bracket

Top of Door

Header Wall

Finished Ceiling

(Inside

2x4 Support

Garage)

Top Edge

of Door

Header

Bracket

Optional

Placement

Door

Bracket

METAL DOOR

Optional

HORIZONTAL AND VERTICAL

REINFORCEMENT IS NEEDED

FOR LIGHTWEIGHT GARAGE

DOORS (FIBERGLASS,

Placement

of Door

Nut

5/16"-18

Lock

Washer

5/16"

Bracket

ALUMINUM, STEEL, DOORS

WITH GLASS PANEL, ETC.).

(NOT PROVIDED)

Top of Door

Door

Bracket

Vertical

Centerline of

Garage Door

(Inside

Garage)

Top Edge

of Door

Optional

Placement

Carriage Bolt

5/16"x2"

(Not Provided)

WOOD DOOR

For a door with no exposed framing,

or for the optional installation, use

lag screws 5/16"x1-1/2" (Not Provided)

to fasten door bracket.

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INSTALLATION STEP 13

Connect Door Arm to Trolley

Inner

Trolley

Outer

Trolley

Follow instructions which apply to your door type as

illustrated below and on the following page.

SECTIONAL DOORS ONLY

Ring

Clevis Pin

5/16"x1"

Fastener

• Make sure garage door is fully closed. Pull the

emergency release handle to disconnect the outer

trolley from the inner trolley. Slide the outer trolley

back (away from the door) about 2" (5 cm) as

shown in Figures 1, 2 and 3.

Straight

Door Arm

Emergency

Release

Handle

Door

Bracket

• Figure 1:

– Fasten straight door arm section to outer trolley

with the 5/16"x1" clevis pin. Secure the

connection with a ring fastener.

Curved Door Arm

Clevis Pin

5/16"x1-1/4"

– Fasten curved section to the door bracket in the

same way, using the 5/16"x1-1/4" clevis pin.

Figure 1

• Figure 2:

– Bring arm sections together. Find two pairs of

holes that line up and join sections. Select holes

as far apart as possible to increase door arm

rigidity.

• Figure 3, Hole alignment alternative:

Lock

Washers

5/16"

– If holes in curved arm are above holes in straight

arm, disconnect straight arm. Cut about 6"

(15 cm) from the solid end. Reconnect to trolley

with cut end down as shown.

Nuts

5/16"-18

– Bring arm sections together.

– Find two pairs of holes that line up and join with

bolts, lock washers and nuts.

Bolts

5/16"-18x7/8"

• Pull the emergency release handle toward the

opener at a 45° angle so that the trolley release

arm is horizontal. Proceed to Adjustment Step 1,

page 27. Trolley will re-engage automatically when

opener is operated.

Door Bracket

Figure 2

HARDWARE SHOWN ACTUAL SIZE

Lock

Washers

5/16"

Nut 5/16"-18

Lock Washer 5/16" Ring Fastener

Nuts

5/16"-18

Clevis Pin

5/16"x1" (Trolley)

Clevis Pin

Hex Bolt

5/16"x1-1/4" (Door Bracket) 5/16"-18x7/8"

Bolts

5/16"-18x7/8"

Cut this end

Figure 3

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Door

Bracket

ALL ONE-PIECE DOORS

Ring

Fastener

1. Assemble the door arm, Figure 4:

Nuts

5/16"-18

Lock

Washers

5/16"

• Fasten the straight and curved door arm sections

together to the longest possible length (with a 2

or 3 hole overlap).

Clevis Pin

5/16"x1-1/4"

Straight

Arm

• With the door closed, connect the straight door

arm section to the door bracket with the

5/16"x1-1/4" clevis pin.

Bolts

5/16"-18x7/8

Curved

Door Arm

Figure 4

• Secure with a ring fastener.

- Press the Door Control push button. The trolley

will travel to the fully closed position.

2. Adjustment procedures, Figure 5:

• On one-piece doors, before connecting the door

arm to the trolley, the travel limits must be

adjusted. Limit adjustment screws are located on

the left side panel as shown on page 27. Follow

adjustment procedures below.

- Manually close the door and lift the door arm to

the trolley. The arm should touch the trolley just

ahead of the door arm connector hole. Refer to

the fully closed trolley/door arm positions in the

illustration. If the arm is behind the connector

hole, adjust the limit further. One full turn equals

2" (5 cm) of trolley travel.

• Open door adjustment: decrease UP

travel limit

- Turn the UP limit adjustment screw

counter-clockwise 4 turns.

3. Connect the door arm to the trolley:

• Close the door and join the curved arm to the

connector hole in the trolley with the remaining

clevis pin. It may be necessary to lift the door

slightly to make the connection.

- Press the Door Control push button. The trolley

will travel to the fully open position.

- Manually raise the door to the open position

(parallel to the floor), and lift the door arm to the

trolley. The arm should touch the trolley just in

back of the door arm connector hole. Refer to

the fully open trolley/door arm positions in the

illustration. If the arm does not extend far

enough, adjust the limit further. One full turn

equals 2" (5 cm) of trolley travel.

• Secure with a ring fastener.

• Run the opener through a complete travel cycle.

If the door has a slight “backward” slant in full

open position as shown in the illustration,

decrease the UP limit until the door is parallel

to the floor.

NOTE: When setting the up limit on the following

page, the door should not have a “backward” slant

when fully open as illustrated below. A slight

backward slant will cause unnecessary bucking

and/or jerking operation as the door is being opened

or closed from the fully open position.

• Closed door adjustment: decrease DOWN

travel limit

- Turn the DOWN limit adjustment screw

clockwise 4 complete turns.

Figure 5

Inner Trolley

Outer Trolley

Door Arm

Connector Hole

Door Arm

Emergency Release Handle

Closed

Door

Inner Trolley

Outer Trolley

Door Arm

Connector Hole

Correct Angle

Door with

Backward Slant

(Incorrect)

Open Door

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ADJUSTMENT STEP 1

WARNING

Without a properly installed safety reversal system,

persons (particularly small children) could be

SERIOUSLY INJURED or KILLED by a closing garage

door.

• Incorrect adjustment of garage door travel limits will

interfere with proper operation of safety reversal

system.

• If one control (force or travel limits) is adjusted, the

other control may also need adjustment.

Adjust the UP and DOWN Travel

Limits

Limit adjustment settings regulate the points at which

the door will stop when moving up or down.

To operate the opener, press the Door Control push

bar. Run the opener through a complete travel cycle.

• Does the door open and close completely?

• Does the door stay closed and not reverse

unintentionally when fully closed?

• After ANY adjustments are made, the safety reversal

system MUST be tested. Door MUST reverse on

contact with 1-1/2" high (3.8 cm) object (or 2x4 laid

flat) on floor.

If your door passes both of these tests, no limit

adjustments are necessary unless the reversing test

fails (Adjustment Step 3, page 29).

Adjustment procedures are outlined below. Read the

procedures carefully before proceeding to

Adjustment Step 2. Use a screwdriver to make limit

adjustments. Run the opener through a complete

travel cycle after each adjustment.

CAUTION

To prevent damage to vehicles, be sure fully open door

provides adequate clearance.

NOTE: Repeated operation of the opener during

adjustment procedures may cause the motor to

overheat and shut off. Simply wait 15 minutes and

try again.

NOTE: If anything interferes with the door’s upward

travel, it will stop. If anything interferes with the

door’s downward travel (including binding or

unbalanced doors), it will reverse.

HOW AND WHEN TO ADJUST THE LIMITS

Limit

Left Side Panel

Adjustment

Screws

• If the door does not open completely but opens

at least 5 feet (1.5 m):

Increase up travel. Turn the UP limit adjustment

screw clockwise. One turn equals 2" (5 cm) of

travel.

Adjust UP Travel

• If door does not open at least 5 feet (1.5 m):

Adjust the UP (open) force as explained in

Adjustment Step 2.

Adjust DOWN Travel

• If the door does not close completely:

Increase down travel. Turn the down limit

adjustment screw counterclockwise. One turn

equals 2" (5 cm) of travel.

• If the door reverses when closing and there is

no visible interference to travel cycle:

If door still won't close completely try lengthening

the door arm (page 25) and decreasing the down

limit.

If the opener lights are flashing, the Safety

Reversing Sensors are either not installed,

misaligned, or obstructed. See Troubleshooting,

page 22.

• If the opener reverses in fully closed position:

Decrease down travel. Turn the down limit

adjustment screw clockwise. One turn equals 2"

(5 cm) of travel.

Test the door for binding: Pull the emergency

release handle. Manually open and close the door.

If the door is binding or unbalanced, call for a

trained door systems technician. If the door is

balanced and not binding, adjust the DOWN

(close) force. See Adjustment Step 2.

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WARNING

Without a properly installed safety reversal system,

persons (particularly small children) could be

SERIOUSLY INJURED or KILLED by a closing garage

door.

• Too much force on garage door will interfere with

proper operation of safety reversal system.

• NEVER increase force beyond minimum amount

required to close garage door.

• NEVER use force adjustments to compensate for a

binding or sticking garage door.

• If one control (force or travel limits) is adjusted, the

other control may also need adjustment.

• After ANY adjustments are made, the safety reversal

system MUST be tested. Door MUST reverse on

contact with 1-1/2" high (3.8 cm) object (or 2x4 laid

flat) on floor.

ADJUSTMENT STEP 2

Adjust the Force

Force adjustment controls are located on the back

panel of the motor unit. Force adjustment settings

regulate the amount of power required to open and

close the door.

If the forces are set too light, door travel may be

interrupted by nuisance reversals in the down

direction and stops in the up direction. Weather

conditions can affect the door movement, so

occasional adjustment may be needed.

The maximum force adjustment range is about

3/4 of a complete turn. Do not force controls

beyond that point. Turn force adjustment controls

with a screwdriver.

NOTE: If anything interferes with the door’s upward

travel, it will stop. If anything interferes with the

door’s downward travel (including binding or

unbalanced doors), it will reverse.

HOW AND WHEN TO ADJUST THE FORCES

Force Adjustment

Controls

1. Test the DOWN (close) force

Back Panel

• Grasp the door bottom when the door is about

halfway through DOWN (close) travel. The door

should reverse. Reversal halfway through down

travel does not guarantee reversal on a 1-1/2"

(3.8 cm) obstruction. See Adjustment Step 3,

page 29. If the door is hard to hold or doesn't

reverse, DECREASE the DOWN (close) force by

turning the control counterclockwise. Make small

adjustments until the door reverses normally.

After each adjustment, run the opener through a

complete cycle.

• If the door reverses during the down (close)

cycle and the opener lights aren't flashing,

INCREASE DOWN (close) force by turning the

control clockwise. Make small adjustments until

the door completes a close cycle. After each

adjustment, run the opener through a complete

travel cycle. Do not increase the force beyond the

minimum amount required to close the door.

Force

DOWN

Force

2. Test the UP (open) force

• Grasp the door bottom when the door is about

halfway through UP (open) travel. The door

should stop. If the door is hard to hold or

doesn't stop, DECREASE UP (open) force by

turning the control counterclockwise. Make small

adjustments until the door stops easily and opens

fully. After each adjustment, run the opener

through a complete travel cycle.

• If the door doesn’t open at least 5 feet (1.5 m),

INCREASE UP (open) force by turning the

control clockwise. Make small adjustments until

door opens completely. Readjust the UP limit if

necessary. After each adjustment, run the opener

through a complete travel cycle.

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WARNING

ADJUSTMENT STEP 3

Test the Safety Reversal System

Without a properly installed safety reversal system,

persons (particularly small children) could be

SERIOUSLY INJURED or KILLED by a closing garage

door.

TEST

• With the door fully open, place a 1-1/2" (3.8 cm)

board (or a 2x4 laid flat) on the floor, centered

under the garage door.

• Safety reversal system MUST be tested every month.

• If one control (force or travel limits) is adjusted, the

other control may also need adjustment.

• After ANY adjustments are made, the safety reversal

system MUST be tested. Door MUST reverse on

contact with 1-1/2" high (3.8 cm) object (or 2x4 laid

flat) on the floor.

• Operate the door in the down direction. The door

must reverse on striking the obstruction.

ADJUST

• If the door stops on the obstruction, it is not

traveling far enough in the down direction.

Increase the DOWN limit by turning the DOWN

limit adjustment screw counterclockwise 1/4 turn.

NOTE: On a sectional door, make sure limit

adjustments do not force the door arm beyond a

straight up and down position. See the illustration

on page 25.

• Repeat the test.

• When the door reverses on the 1-1/2" (3.8 cm)

board, remove the obstruction and run the opener

through 3 or 4 complete travel cycles to test

adjustment.

• If the unit continues to fail the Safety Reverse Test,

call for a trained door systems technician.

IMPORTANT SAFETY CHECK:

Test the Safety Reverse System after:

• Each adjustment of door arm length, limits, or

force controls.

1-1/2" (3.8 cm) board

(or a 2x4 laid flat)

• Any repair to or adjustment of the garage door

(including springs and hardware).

• Any repair to or buckling of the garage floor.

• Any repair to or adjustment of the opener.

WARNING

Without a properly installed safety reversing sensor,

persons (particularly small children) could be

SERIOUSLY INJURED or KILLED by a closing garage

door.

ADJUSTMENT STEP 4

Test The Protector System

• Press the remote control push button to open the

door.

• Place the opener carton in the path of the door.

• Press the remote control push button to close the

door. The door will not move more than an inch

(2.5 cm), and the opener lights will flash.

The garage door opener will not close from a remote

if the indicator light in either sensor is off (alerting

you to the fact that the sensor is misaligned or

obstructed).

If the opener closes the door when the safety

reversing sensor is obstructed (and the sensors

are no more than 6" (15 cm) above the floor), call

for a trained door systems technician.

Safety Reversing Sensor

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OPERATION

IMPORTANT SAFETY INSTRUCTIONS

WARNING

To reduce the risk of SEVERE INJURY or DEATH:

1. READ AND FOLLOW ALL WARNINGS AND

INSTRUCTIONS.

9. If one control (force or travel limits) is adjusted, the

other control may also need adjustment.

2. ALWAYS keep remote controls out of reach of children.

NEVER permit children to operate or play with garage

door control push buttons or remote controls.

3. ONLY activate garage door when it can be seen clearly, it

is properly adjusted, and there are no obstructions to

door travel.

4. ALWAYS keep garage door in sight until completely

closed. NO ONE SHOULD CROSS THE PATH OF THE

MOVING DOOR.

10. After ANY adjustments are made, the safety reversal

system MUST be tested.

11. Safety reversal system MUST be tested every month.

Garage door must reverse on contact with 1-1/2" high

(3.8 cm) object (or a 2x4 laid flat) on the floor.

12. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED

(see page 3). An improperly balanced door may not

reverse when required and could result in SEVERE

INJURY or DEATH.

5. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY

OPENED DOOR.

6. If possible, use emergency release handle to disengage

trolley ONLY when garage door is CLOSED. Weak or

broken springs or unbalanced door could result in an

open door falling rapidly and/or unexpectedly.

13. All repairs to cables, spring assemblies and other

hardware, all of which are under EXTREME tension,

MUST be made by a trained door systems technician.

14. ALWAYS disconnect electric power to garage door

opener BEFORE making any repairs or removing

covers.

7. NEVER use emergency release handle unless garage

doorway is clear of persons and obstructions.

8. NEVER use handle to pull garage door open or closed. If

rope knot becomes untied, you could fall.

15.

SAVE THESE INSTRUCTIONS.

6. If obstructed while opening, the door will stop.

Using Your Garage Door Opener

7. If fully open, the door will not close when the beam

is broken. The sensor has no effect in the opening

cycle.

Your Security✚^®opener and hand-held remote

control have been factory-set to a matching code

which changes with each use, randomly accessing

over 100 billion new codes. Your opener will operate

with up to eight Security✚^®remote controls and one

Security✚^®Keyless Entry System. If you purchase a

new remote, or if you wish to deactivate any remote,

follow the instructions in the Programming section.

If the sensor is not installed, or is misaligned, the

door won't close from a hand-held remote. However,

you can close the door with the Door Control, the

Outdoor Key Switch, or Keyless Entry, if you activate

them until down travel is complete. If you release

them too soon, the door will reverse.

Activate your opener with any of the following:

• The hand-held Remote Control: Hold the large

push button down until the door starts to move.

• The wall-mounted Door Control: Hold the push

button or bar down until the door starts to move.

• The Keyless Entry (See Accessories): If provided

with your garage door opener, it must be

The opener lights will turn on under the following

conditions: when the opener is initially plugged in;

when power is restored after interruption; when the

opener is activated.

They will turn off automatically after 4-1/2 minutes or

provide constant light when the Light feature on the

Multi-Function Door Control Panel is activated. Bulb

size is 100 watts maximum.

programmed before use. See Programming.

Security✚^®light feature: Lights will also turn on

when someone walks through the open garage door.

With a Multi-Function Door Control Panel, this feature

may be turned off as follows: With the opener lights

off, press and hold the light button for 10 seconds,

until the light goes on, then off again. To restore this

feature, start with the opener lights on, then press

and hold the light button for 10 seconds until the light

goes off, then on again.

When the opener is activated (with the safety

reversing sensor correctly installed and aligned)

1. If open, the door will close. If closed, it will open.

2. If closing, the door will reverse.

3. If opening, the door will stop.

4. If the door has been stopped in a partially open

position, it will close.

5. If obstructed while closing, the door will reverse. If

the obstruction interrupts the sensor beam, the

opener lights will blink for five seconds.

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Using the Wall-Mounted

Door Control

To Open the Door Manually

WARNING

THE MULTI-FUNCTION DOOR

CONTROL

Lighted

Push Button

To prevent possible SERIOUS INJURY or DEATH from a

falling garage door:

Press the lighted push button to

open or close the door. Press

again to reverse the door during

the closing cycle or to stop the

door while it's opening.

Lock

Button

• If possible, use emergency release handle to

disengage trolley ONLY when garage door is CLOSED.

Weak or broken springs or unbalanced door could

result in an open door falling rapidly and/or

unexpectedly.

• NEVER use emergency release handle unless garage

doorway is clear of persons and obstructions.

LOCK

Light

Button

LIGHT

Light feature

Press the Light button to turn the opener light on or

off. It will not control the opener lights when the door

is in motion. If you turn it on and then activate the

opener, the light will remain on for 4-1/2 minutes.

Press again to turn it off sooner. The 4-1/2 minute

interval can be changed to 1-1/2, 2-1/2, or 3-1/2

minutes as follows: Press and hold the Lock button

until the light blinks (about 10 seconds). A single blink

indicates that the timer is reset to 1-1/2 minutes.

Repeat the procedure and the light will blink twice,

resetting the timer to 2-1/2 minutes. Repeat again for

a 3-1/2 minute interval, etc., up to a maximum of four

blinks and 4-1/2 minutes.

• NEVER use handle to pull door open or closed. If rope

knot becomes untied, you could fall.

DISCONNECT THE TROLLEY:

The door should be fully closed

if possible. Pull down on the

emergency release handle (so

that the trolley release arm

snaps into a vertical position)

and lift the door manually.

Trolley

Release Arm

(in Manual

Disconnect

Position)

The lockout feature prevents

Lock feature

the trolley from reconnecting

automatically, and the door

can be raised and lowered

manually as often as

necessary.

Designed to prevent operation of the door from

hand-held remote controls. However, the door will

open and close from the Door Control, the Outdoor

Keylock and the Keyless Entry Accessories.

Lockout position

(Manual disconnect)

To activate, press and hold the Lock button for 2

seconds. The push button light will flash as long as

the Lock feature is on.

TO RE-CONNECT THE

TROLLEY:

To turn off, press and hold the Lock button again for

2 seconds. The push button light will stop flashing.

The Lock feature will also turn off whenever the

“learn” button on the motor unit panel is activated.

Trolley

Pull the emergency release

handle toward the opener at

an angle so that the trolley

release arm is horizontal. The

trolley will reconnect on the

next UP or DOWN operation,

either manually or by using

the door control or remote.

Trolley

Release

Emergency

Arm

Release

Handle

NOTICE

Additional feature when used with the 3-Button

hand-held remote

(Pull at 45° angle)

To control the opener lights:

To reconnect

In addition to operating the door,

you may program the remote to

operate the lights.

1. With the door closed, press and hold a small

remote button that you want to control the light.

2. Press and hold the Light button on the door

control.

3. While holding the Light button, press and hold the

Lock button on the door control.

4. After the opener lights flash, release all buttons.

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THE REMOTE CONTROL BATTERY

CARE OF YOUR OPENER

LIMIT AND FORCE ADJUSTMENTS:

WARNING

Weather conditions may cause some

minor changes in door operation

requiring some re-

To prevent possible SERIOUS INJURY or DEATH:

• NEVER allow small children near batteries.

• If battery is swallowed, immediately notify doctor.

adjustments,

particularly during

the first year of

operation.

The lithium battery should

produce power for up to

5 years. To replace battery,

LIMIT CONTROLS

FORCE CONTROLS

Pages 27 and 28

refer to the limit

Battery

positive

use the visor clip or

side up (+)

and force adjustments. Only a screwdriver is

required. Follow the instructions carefully.

screwdriver blade to pry open

the case as shown. Insert

battery positive side up (+).

Repeat the safety reverse test (Adjustment

Step 3, page 29) after any adjustment of limits or

force.

Dispose of old battery

properly.

MAINTENANCE SCHEDULE

Once a Month

NOTICE: To comply with FCC and or Industry Canada rules (IC), adjustment or

modifications of this receiver and/or transmitter are prohibited, except for changing the

code setting or replacing the battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.

Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to

the following two conditions: (1) this device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that may

cause undesired operation.

• Manually operate door. If it is unbalanced or

binding, call a trained door systems technician.

• Check to be sure door opens & closes fully. Adjust

limits and/or force if necessary. (See pages 27

and 28)

• Repeat the safety reverse test. Make any

necessary adjustments. (See Adjustment Step 3)

Once a Year

• Oil door rollers, bearings and hinges. The opener

does not require additional lubrication. Do not

grease the door tracks.

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HAVING A PROBLEM?

1. My door will not close and the light bulbs blink

on my motor unit: The safety reversing sensor

must be connected and aligned correctly before the

garage door opener will move in the down direction.

• Verify the safety sensors are properly installed,

aligned and free of any obstructions. Refer to

Installation Step 10: Install The Protector

System^®.

• Check diagnostic LED for flashes on the motor

unit then refer to the Diagnostic Chart on the

following page.

"Learn"

Button

LED or

Diagnostic

LED

2. My remotes will not activate the door:

• Verify your Premium door control is not blinking. If

it is blinking, deactivate the Lock Mode following

the instructions for Using the Multi-Function Door

Control.

Sending Eye Safety Sensor

(Amber Indicator Light)

Receiving Eye Safety Sensor

(Green Indicator Light)

• Reprogram remotes following the programming

instructions. Refer to Programming.

• If remote will still not activate your door, check

diagnostic LED for flashes on motor unit then

refer to Diagnostic Chart on the following page.

3. My door reverses for no apparent reason:

Repeat safety reverse test after adjustments to

force or travel limits. The need for occasional

adjustment for the force and limit settings is normal.

Weather conditions in particular can affect door

travel.

5. My lights will not turn off when door is open:

• The garage door opener is equipped with a

security light feature. This feature activates the

light on when the safety sensor beam has been

obstructed. Refer to Operation section; Using the

Wall Mounted Door Control, Light Feature.

• Manually check door for balance or any binding

problems.

• Refer to Adjustment Step 2, Adjust the Force.

4. My door reverses for no apparent reason after

fully closing and touching the floor: Repeat

safety reverse test after adjustments to force or

travel limits. The need for occasional adjustment for

the force and limit settings is normal. Weather

conditions in particular can affect door travel.

• Refer to Adjustment Step 1, Adjust the UP and

DOWN Travel Limits. Decrease down travel by

turning down limit adjustment screw clockwise.

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Installed

Safety Sensor

Diagnostics

Located On

Motor Unit

LED or

Diagnostic

LED

Your garage door opener is programmed with

self-diagnostic capabilities. The “Learn” button/diagnostic

LED will flash a number of times then pause signifying it

has found a potential issue. Consult Diagnostic Chart below.

"Learn"

Button

Diagnostic Chart

Symptom: One or both of the Indicator lights on the safety sensors do

not glow steady.

• Inspect sensor wires for a short (staple in wire), correct wiring polarity

(black/white wires reversed), broken or disconnected wires, replace/attach

as needed.

1 FLASH

Safety sensors wire open

(broken or disconnected).

• Disconnect all wires from back of motor unit.

• Remove sensors from brackets and shorten sensor wires to 1-2 ft (30-60 cm)

from back each of sensor.

2 FLASHES

• Reattach sending eye to motor unit using shortened wires. If sending eye

indicator light glows steadily, attach the receiving eye.

• Align sensors, if the indicator lights glow replace the wires for the sensors. If

the sensor indicator lights do not light, replace the safety sensors.

Safety sensors wire

shorted or black/white

wire reversed.

Symptom: LED is not lit on door control.

• Inspect door control/wires for a short (staple in wire), replace as needed.

• Disconnect wires at door control, touch wires together. If motor unit activates,

replace door control.

3 FLASHES

Door control or

wire shorted.

• If motor unit does not activate, disconnect door control wires from motor unit.

Momentarily short across red and white terminals with jumper wire. If motor

unit activates, replace door control wires.

4 FLASHES

Symptom: Sending indicator light glows steadily, receiving indicator light

is dim or flashing.

• Realign receiving eye sensor, clean lens and secure brackets.

• Verify door track is firmly secured to wall and does not move.

Safety Sensors

slightly misaligned

(dim or flashing LED).

Symptom: Motor has over heated; the motor unit does not operate;

RPM Sensor = Short travel 6-8" (15-20 cm).

• Unplug unit to reset. Try to operate motor unit, check diagnostic code.

• If it is still flashing 5 times and motor unit moves 6-8" (15-20 cm), replace RPM

sensor.

5 FLASHES

Motor overheated or

possible RPM sensor

failure. Unplug to reset.

• If motor unit doesn’t operate, motor unit is overheated. Wait 30 minutes and

retry. If motor unit still will not operate replace logic board.

Symptom: Motor unit doesn’t operate.

• Replace logic board because motor rarely fails.

6 FLASHES

Motor Circuit Failure.

Replace Receiver

Logic Board.

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PROGRAMMING

NOTICE: If this Security✚^®garage door opener is operated with a non-rolling code transmitter, the technical

measure in the receiver of the garage door opener, which provides security against code-theft devices, will be

circumvented. The owner of the copyright in the garage door opener does not authorize the purchaser or

supplier of the non-rolling code transmitter to circumvent that technical measure.

Your garage door opener has already been programmed at the factory to operate with your hand-held remote

control. The door will open and close when you press the large push button.

Below are instructions for programming your opener to operate with additional Security✚^®remote controls.

To Add or Reprogram a Hand-held Remote Control

USING THE “LEARN” BUTTON

USING THE MULTI-FUNCTION DOOR CONTROL

LOCK

LIGHT

1. Press and hold the button on the

hand-held remote* that you wish

to operate your garage door.

1. Press and release the “learn”

button on the motor unit. The

learn indicator light will glow

steadily for 30 seconds.

2. While holding the ENTER button,

press and hold the LIGHT button

on the Multi-Function Door

Control.

2. Within 30 seconds, press and

hold the button on the hand-held

remote* that you wish to operate

your garage door.

LOCK

LIGHT

3. Continue holding the ENTER and

LIGHT buttons while you press

the push bar on the Multi-Function

Door Control (all three buttons are

3. Release the button when the

motor unit lights blink. It has

learned the code. If light bulbs are

not installed, two clicks will be

heard.

LOCK

held).

LIGHT

4. Release buttons when the motor

unit lights blink. It has learned the

code. If light bulbs are not

installed, two clicks will be heard.

To Erase All Codes From Motor

Unit Memory

*3-Button Remotes

If provided with your garage door opener, the large

button is factory programmed to operate it. Additional

buttons on any

To deactivate any unwanted remote,

first erase all codes:

Security✚^®3-Button

remote or compact

remote can be

Press and hold the “learn” button on

motor unit until the learn indicator light

goes out (approximately 6 seconds).

programmed to operate

All previous codes are now erased. Reprogram each

remote or keyless entry you wish to use.

other Security✚^®

garage door openers.

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To Add, Reprogram or Change a Keyless Entry PIN

NOTE: Your new Keyless Entry must be programmed to operate your garage door opener.

USING THE “LEARN” BUTTON

USING THE MULTI-FUNCTION DOOR CONTROL

LOCK

LIGHT

1. Press and release the “learn”

button on motor unit. The learn

indicator light will glow steadily for

30 seconds.

NOTE: This method requires two people if the Keyless

Entry is already mounted outside the garage.

1. Enter a four digit personal

identification number (PIN) of your

choice on the keypad. Then press

and hold ENTER.

2. Within 30 seconds, enter a four

digit personal identification

number (PIN) of your choice on

the keypad. Then press and hold

the ENTER button.

2. While holding the ENTER button,

press and hold the LIGHT button

on the Multi-Function Door

Control.

3. Release the button when the

motor unit lights blink. It has

learned the code. If light bulbs are

not installed, two clicks will be

heard.

LOCK

LIGHT

3. Continue holding the ENTER and

LIGHT buttons while you press

the push bar on the Multi-Function

Door Control (all three buttons are

held).

LOCK

LIGHT

To change an existing, known PIN

If the existing PIN is known, it may be changed by one

person without using a ladder.

4. Release buttons when the motor

unit lights blink. It has learned the

code. If light bulbs are not

1. Press the four buttons for the present PIN, then

press and hold the # button.

installed, two clicks will be heard.

The opener light will blink twice. Release the #

button.

2. Press the new 4-digit PIN you have chosen, then

press Enter.

2. Press the temporary 4-digit PIN you have chosen,

then press Enter.

The motor unit lights will blink once when the PIN has

been learned.

The opener light will blink four times.

3. To set the number of hours this temporary PIN will

Test by pressing the new PIN, then press Enter. The

door should move.

work, press the number of hours (up to 255), then

press ✽.

To set a temporary PIN

You may authorize access by visitors or service people

with a temporary 4-digit PIN. After a programmed

number of hours or number of accesses, this temporary

PIN expires and will no longer open the door. It can be

used to close the door even after it has expired. To set

a temporary PIN:

3. To set the number of times this temporary PIN will

work, press the number of times (up to 255), then

press #.

The opener light will blink once when the temporary PIN

has been learned.

Test by pressing the four buttons for the temporary PIN,

then press Enter. The door should move. If the

temporary PIN was set to a certain number of openings,

remember that the test has used up one opening.To

clear the temporary password, repeat steps 1-3, setting

the number of hours or times to 0 in step 3.

1. Press the four buttons for your personal entry PIN

(not the last temporary PIN), then press and hold the

✽ button.

The opener light will blink three times. Release the

button.

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REPAIR PARTS

Rail Assembly Parts

KEY PART

NO. NO.

DESCRIPTION

41A4796

41A4795

Hardware bag

Hardware bag (includes

sprocket coupling)

12B569-1 Left rail bracket

12B569-2 Right rail bracket

1C4827-1 Screw drive rail assembly

12B560M Rail support braces (4)

81C168

41C4677

25C20

Rack

Complete trolley assembly

Sprocket coupling

Drive sprocket kit

41A4836

Installation Parts

LOCK

LIGHT

KEY PART

NO. NO.

DESCRIPTION

41A5273-14 Multi-function door control

953CB

3-Button remote control

10A20

3V 2032 Lithium battery

Visor clip

29B137

41A2828

41B4494-1

41A4353

41A5047

178B35

178B34

12B776

41A5034

Emergency release rope & handle assy.

2-Conductor bell wire: white & white/red

Header bracket w/clevis pin & fastener

Door bracket w/clevis pin & fastener

Curved door arm section

Straight door arm section

Hanging brackets

Safety sensor kit: receiving and

sending eyes with 3' 2-conductor bell

wire attached

41A5266-1

Safety sensor bracket

NOT SHOWN

41A4675-7

114A2466

Installation hardware bag (see page 7)

Owner’s manual

114A2466SP Owner’s manual - Spanish

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Motor Unit Assembly Parts

(Down)

Contact

LIMIT SWITCH ASSY.

Brown

Wire

D N

Grey

Wire

U P

Drive

Gear

Center Limit

Contact

(Up)

Yellow

Contact

Wire

11a

KEY PART

NO.

KEY

NO.

PART

NO.

DESCRIPTION

31D477

41B4245

30B363

12A373

41A3150

41D4671

12D630

41A5388

Drive shaft cover

Line cord

41A5394

81B170-1

Assy. bracket motor mount

Shaft limit worm

41C4672

Screw drive RPM kit

Worm gear and retainer

Low voltage wire harness

High voltage wire harness

Receiver logic board assy.

Cover

Capacitor – 1/2 HP

Capacitor bracket

41A4837-1

41C5417

41C5416

41A5389-1C

41C1473

41C22-1

175C147

108D60

Terminal block w/screws

Limit switch assembly

11a

Bracket: light socket, limit switch

Motor drive assy complete with:

Drive coupling hub

Light socket

144B41

144B42

20B17

158A69

41C556

22T Pulley

28T Pulley

Drive belt

Retainer rings

Isolator bracket spacers

Light lens

41A5387

12B654

Chassis with rail bracket

Motor support bracket

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ACCESSORIES

1-Button Security✚^®Remote

3-Button Mini-Remote Control with

950CB

953CB

945CB

956CB

Security✚^®:

Control:

With key ring and fastening strip.

Includes visor clip.

3-Button Security✚^®Remote

Control:

7702CB

7706CB

Outside Quick Release:

Required for a garage with NO

access door. Enables homeowner to

open garage door manually from

outside by disengaging trolley.

Includes visor clip.

Multi-Function Door Control Panel:

8 Foot Rail Extension Kit:

Provides a Lock Feature which

prevents operation of garage door

opener from hand-held remotes and

a Light Feature for constant light.

To allow an 8 foot door to open fully.

LOCK

LIGHT

935CB

940CB

Motion Detecting Control Panel:

41A5281

Extension Brackets:

Multi-function door control with motion

sensor that automatically turns opener

lights on for 5 minutes when it detects

a person entering the garage. Sensor

can be easily deactivated when

desired.

(Optional) For safety sensor

installation onto the wall or floor.

To order call: 1-800-528-9131

LOCK

LIGHT

SECURITY✚^®Keyless Entry:

Enables homeowner to operate

garage door opener from outside by

entering a password on a specially

designed keyboard. Also can add a

temporary password for visitors or

service persons. This temporary

password can be limited to a

programmable number of hours or

entries.

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HOW TO ORDER

REPAIR PARTS

Selling prices will be furnished on request or parts will

be shipped at prevailing prices and you will be billed

accordingly.

CHAMBERLAIN SERVICE

IS ON CALL

OUR LARGE SERVICE ORGANIZATION

SPANS AMERICA

INSTALLATION AND SERVICE INFORMATION IS AS

NEAR AS YOUR TELEPHONE SEVEN DAYS A WEEK.

SIMPLY DIAL OUR TOLL FREE NUMBER:

WHEN ORDERING REPAIR PARTS, ALWAYS GIVE

THE FOLLOWING INFORMATION:

• PART NUMBER

• PART NAME

1-800-528-9131

HOURS: (Central Std. Time)

5:00 A.M. TO 7:00 P.M. - Monday through Friday

8:00 A.M. TO 6:00 P.M. - Saturday

• MODEL NUMBER

ADDRESS ORDERS TO:

8:00 A.M. TO 4:30 P.M. - Sunday

THE CHAMBERLAIN GROUP, INC.

Technical Support Group

www.chamberlain-diy.com

6020 S. Country Club Road

Tucson, Arizona 85706

For professional installation, parts and service,

contact your local CHAMBERLAIN dealer. Look for him

in the Yellow Pages, or call our Service number for a

list of dealers in your area.

SERVICE INFORMATION TOLL FREE NUMBER:

1-800-528-9131

CHAMBERLAIN GARAGE DOOR OPENER ONE-YEAR LIMITED WARRANTY

The Chamberlain Group, Inc. (“Seller”) warrants to the first retail purchaser of this product, for the residence in which this product is

originally installed, that it will be free from any defect in materials and/or workmanship for a period of one year from the date of

purchase. The product must be used in complete accordance with Chamberlain’s instructions for installation, operation, and care. The

proper operation of this product is dependent on your compliance with the Owner’s Manual instructions regarding

installation, operation, maintenance and testing. Failure to comply strictly with those instructions will void this warranty in its

entirety. Please note that the safety reverse system, in order to operate properly with your garage door, must be adjusted and

periodically tested in accordance with the Owner’s Manual.

If, during the limited warranty period, it appears as though this product contains a defect which is covered by this limited warranty, call our

toll free service number, before dismantling this product, at 1-800-528-9131. 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 the toll free service number. Please include a

brief description of the problem and a dated proof-of-purchase receipt with any product that is 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.

THIS LIMITED WARRANTY IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED

WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR OTHERWISE, AND OF ANY OTHER

OBLIGATIONS OR LIABILITY ON SELLER’S PART. 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, OR ANY ALTERATIONS TO THIS

PRODUCT), LABOR CHARGES FOR DISMANTLING OR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT

OF BATTERIES AND LIGHT BULBS, OR UNITS INSTALLED FOR NON-RESIDENTIAL USE.

THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS WITH, OR RELATING TO, THE GARAGE DOOR OR GARAGE

DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT AND

HINGES. 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 THE USE OF, 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.

LIMITED WARRANTY ON MOTOR

Models PD420 and PD420-2: The motor is warranted to be free from any defect in materials and/or workmanship for a period of

72 full months (6 years) from the date of purchase.

Models PD460-2 and PD460-2K: The motor is fully warranted for the lifetime of the product to the first-time purchaser.

114A2466H

Printed in Mexico

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