Chamberlain 2580 1-2 HP User Manual
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
GARAGE DOOR OPENER
Model 2580 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 under the light lens on the left side
panel of your opener.
®
2
Introduction Pages 2-5
Safety symbol and signal word review ........................2
Preparing your garage door........................................3
Tools needed...............................................................3
Planning .....................................................................4
Carton inventory..........................................................5
Hardware inventory.....................................................5
Assembly Pages 6-7
Attach the T-rail to the motor unit ................................6
Set the belt tension .....................................................6
Attach the belt cap retainer.........................................7
Installation Pages 7-23
Installation safety instructions.....................................7
Determine the header bracket location ....................8-9
Install the header bracket..........................................10
Attach the T-rail to the header bracket......................11
Position the opener...................................................12
Hang the opener .......................................................13
Install the door control...............................................14
Install the light bulbs..................................................15
Attach the emergency release rope and handle.......15
Electrical requirements ..............................................16
Install the Protector System®................................17-19
Fasten the door bracket.......................................20-21
Connect the door arm to the trolley.....................22-23
Adjustment Pages 24-26
Adjust the travel limits...............................................24
Adjust the force.........................................................25
Test the safety reversal system.................................26
Test the Protector System®........................................26
Operation Pages 27-30
Operation safety instructions.....................................27
Using your garage door opener................................27
Using the wall-mounted door control ........................28
To open the door manually........................................28
Care of your garage door opener..............................29
Having a problem? ...............................................29-30
Programming Pages 31-32
To add a hand-held remote control...........................31
To erase all codes.....................................................31
3-Channel remotes....................................................31
To add or change a Keyless Entry PIN.....................32
Repair Parts Pages 33-34
Rail assembly parts...................................................33
Installation parts........................................................33
Motor unit assembly parts.........................................34
Accessories 35
Repair Parts and Service 36
Warranty 36
TABLE OF CONTENTS
When you see these Safety Symbols and Signal
Words on the following pages, they will alert you to
the possibility of
serious injury or death
if you do
not comply with the warnings that accompany them.
The hazard may come from something mechanical
or from electric shock. Read the warnings carefully.
When you see this Signal Word on the following
pages, it will alert you to the possibility of damage to
your garage door and/or the garage door opener if
you do not comply with the cautionary statements
that accompany it. Read them carefully.
Mechanical
Electrical
INTRODUCTION
Safety Symbol
and Signal Word Review
This garage door opener has been designed and tested to offer safe service provided it is installed, operated,
maintained and tested in strict accordance with the instructions and warnings contained in this manual.
WARNING
WARNING
CAUTION
3
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.
To prevent possible SERIOUS INJURY OR DEATH:
• 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.
Preparing your garage door
Before you begin:
• Disable locks.
• 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.
Tools needed
During assembly, installation and adjustment of the
opener, instructions will call for hand tools as
illustrated below.
Sectional Door
One-Piece Door
WARNING
CAUTION
Carpenter's
Level
Drill
2
1
Tape Measure
3/16", 5/16" and
5/32" Drill Bits
Pencil
Hack Saw
Wire Cutters
Claw Hammer
Pliers
Stepladder
1/2" and 7/16" Sockets
and Wrench
Screwdriver
Adjustable End Wrench
4
SECTIONAL DOOR INSTALLATION
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.
ONE-PIECE DOOR WITHOUT TRACK
ONE-PIECE DOOR WITH TRACK
Horizontal and vertical reinforcement
is needed for lightweight garage doors
(fiberglass, steel, aluminum, door with
glass panels, etc.). See page 20 for details.
Header Wall
— — — — — — — —
Door
Center
Gap between floor
and bottom of door
Safety Reversing Sensor
must not exceed 1/4"
Extension
Torsion
Spring
Safety
Reversing
Sensor
Spring
OR
One-Piece Door-Extension Spring
Door
FINISHED CEILING
Support bracket &
fastening hardware
is required.
See page 13.
OR
Header
Wall
Track
Access
Door
Motor unit
Wallmounted
Door
Control
Header
Wall
Wallmounted
Door
Control
Safety
Gap between floor and bottom of
Safety
Reversing Sensor
door must not exceed 1/4"
Reversing Sensor
FINISHED CEILING
Support bracket
& fastening
hardware is required.
See page 13.
Access
Door
Motor Unit
Gap between floor
Safety
Reversing Sensor
and bottom of door
must not exceed 1/4"
Access
Door
Safety
Reversing
Sensor
5
Your garage door opener is packaged in two cartons
which contain the motor unit and all parts illustrated
below. Accessories will depend on the model
purchased. If anything is missing, carefully check the
packing material. Parts may be stuck in the foam.
Hardware for installation is also listed below.
Carton Inventory
INSTALLATION HARDWARE
Hex Bolt 5/16"-18x7/8" (4)
Hex Screw #8 x 3/8" (2)
Lag Screw 5/16"-9x1-5/8" (2)
Lag Screw 5/16"-18x1-7/8" (2)
Clevis Pin 5/16"x2-3/4" (1)
Clevis Pin 5/16"x1-1/4" (1)
Clevis Pin 5/16"x1" (1)
Nut 5/16"-18 (4)
Lock Washer 5/16" (4)
Screw 6ABx1-1/4" (2)
Self-Threading Screw 1/4"-14x5/8" (2)
Screw 6-32x1" (2)
Insulated Staples (30)
Ring Fastener (3)
Dry Wall Anchors (2)
Rope
Handle
Rail Grease
Carriage Bolt 1/4"-20x1/2" (2)
Wing Nut 1/4”-20 (2)
LOCK
LIGHT
Motion Dectecting
Door Control Panel
2-Conductor Bell Wire
White & White/Red
SECURITY✚
3-Channel Remote Control
Light Lens (2)
Belt Cap Retainer
Remote Control
Transmitter Visor Clip
Styrofoam
Belt
One-Piece
T-rail
Belt
Pulley Bracket
Safety Sensor
Bracket (2)
CEILING MOUNT ONLY
Trolley
Header Bracket
(2) Safety Reversing Sensors
(1 Sending Eye and 1 Receiving Eye)
with 2-Conductor White & White/Black
Bell Wire attached
UP
Door Bracket
Curved Door
Arm Section
Safety Labels
and
Literature
Straight Door
Arm Section
6
ASSEMBLY STEP 1
Attach the T-Rail to the Motor Unit
To avoid installation difficulties, do not run the
garage door opener until instructed to do so.
• Remove the two washered bolts mounted in top of
motor unit.
• Align T-rail and styrofoam over sprocket. Cut tape
from T-rail, belt and styrofoam.
• REMOVE STYROFOAM.
• Insert both washered bolt through the T-rail into
the motor unit. Tighten bolts securely.
Use only these bolts! Use of any other bolts
will cause serious damage to door opener.
• Position belt over the motor unit sprocket.
To avoid SERIOUS damage to opener, ONLY use bolts
mounted in top of motor unit.
ASSEMBLY STEP 2
Set the Belt Tension
• By hand, thread the spring trolley nut on the
threaded shaft until it is finger tight against the
trolley (Figure 1). Do not use any tools.
• Insert a screwdriver tip into one of the nut ring
slots and brace it firmly against the trolley
(Figure 2).
• Place a 7/16" open end wrench on the square
end. Rotate about 1/4 turn until the spring releases
and snaps the nut ring against the trolley
(Figure 3).
This extends the spring for optimum belt tension.
Figure 1
Figure 2
Figure 3
CAUTION
Washered Bolt
USE ONLY THIS
TYPE AND SIZE
BOLT
5/16"-18x1/2"
Belt
T-Rail
Hole
Styrofoam
Trolley
Nut Ring Trolley
Nut Ring
T-Rail
Hole
Washered Bolt
5/16"-18x1/2"
Trolley
Threaded
Shaft
Spring/Trolley Nut
T-Rail
Hole
Square
End
Motor unit
Sprocket
Trolley
Threaded
Shaft
Nut
Ring
BEFORE AFTER RELEASE
1" 1-1/4"
Nut Ring
Slots
7
ASSEMBLY STEP 3
Attach the Belt Cap Retainer
• Position the belt cap retainer over the motor unit
sprocket so the two holes in cap align with the two
holes in mounting plate. Attach with #8x3/8" hex
screws provided.
You have now finished assembling your garage
door opener. Please read the following warnings
before proceeding to the installation section.
IMPORTANT INSTALLATION INSTRUCTIONS
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 or more above floor.
6. Mount emergency release handle 6 feet 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
• 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 oneinch high object (or a 2x4 laid flat) on the floor.
To reduce the risk of severe injury or death:
To avoid possible SERIOUS INJURY to fingers from
moving garage door opener:
• ALWAYS keep hand clear of sprocket while operating
opener.
• Securely attach sprocket cover before operating.
INSTALLATION
WARNING
8x3/8" Hex Screws
Belt Cap
Retainer
Motor Unit
Sprocket
Mounting Plate
WARNING
8
INSTALLATION STEP 1
Determine the Header Bracket Location
Installation procedures vary according to garage door
types. Follow the instructions which apply to your
door.
SECTIONAL DOOR
AND ONE-PIECE DOOR WITH TRACK
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.
You can fasten the header bracket within 4 feet
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 10) when clearance is minimal. (It may be
mounted on the wall upside down if necessary,
to gain approximately 1/2".)
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 10.
3.Open your door to the highest point of travel as
shown. Draw an intersecting horizontal line on the
header wall 2" above the high point. This height
will provide travel clearance for the top edge of the
door.
Proceed to Step 2, page 10.
One-piece
door with
horizontal
track
To prevent possible SERIOUS INJURY or DEATH:
• 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.
• 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.
Sectional door
with curved
track
WARNING
Header
Wall
Vertical
Centerline
Ceiling
Vertical
Centerline
Finished
Ceiling
2x4
Structural
Supports
Header Wall
2"
Highest Point
of Travel
Door
Door
Track
Header Wall
2"
Highest Point
of Travel
Track
9
ONE-PIECE DOOR WITHOUT TRACK
1.Close the door and mark the inside vertical
centerline of your garage door. Extend the line
onto the header wall above door, as shown.
If headroom clearance is minimal, you can install
the header bracket on the ceiling. See page 10.
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.
2.Open your door to the highest point of travel as
shown. Measure the distance from the top of the
door to the floor. Subtract the actual height of the
door. Add 8" to the remainder. (See Example).
3.Close the door and draw an intersecting horizontal
line on the header wall at the determined height.
NOTE: If the total number of inches exceeds the
height available in your garage, use the maximum
height possible, or refer to page 10 for ceiling
installation.
One-piece door without track:
pivot hardware
One-piece door without track:
jamb hardware
EXAMPLE
Distance from top of door
(at highest point of travel) to floor...................... 92"
Actual height of door.......................................... -88"
Remainder.......................................................... 4"
Add..................................................................... +8"
Bracket height on header wall............................ =12"
(Measure UP from top of CLOSED door.)
Proceed to Step 2, page 10.
Header Wall
Door
Jamb
Hardware
Vertical
Centerline
Header Wall
Unfinished
Ceiling
2x4
Vertical
Centerline
of Garage
Door
Highest Point
of Travel
Structural
Supports
2x4
OPTIONAL
CEILING MOUNT
FOR
HEADER BRACKET
Distance
Door
Floor
Header Wall
Pivot
Highest Point
of Travel
Distance
Floor
10
INSTALLATION STEP 2
Install the Header Bracket
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).
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).
• Mark the vertical set of bracket holes (do not use
the holes designated for ceiling mount). Drill 3/16"
pilot holes and fasten the bracket securely to a
structural support with the hardware provided.
HARDWARE SHOWN ACTUALSIZE
UP
CEILING MOUNT ONLY
Ceiling Mounting Holes
The nail hole is for
positioning only.
You must use lag screws
to mount the header bracket.
UP
Lag Screws
5/16"x9x1-5/8"
Garage Door
Vertical Centerline
Header Wall
– Finished Ceiling –
Header
Bracket
6" Maximum
Vertical
Centerline
Door
Spring
CEILING HEADER BRACKET INSTALLATION
• Extend the vertical centerline onto the ceiling as
shown.
• Center the bracket on the vertical mark, no more
than 6" 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.
• Mark the side holes. Drill 3/16" pilot holes and
fasten bracket securely to a structural support with
the hardware provided.
Wall Mounting Holes
CEILING MOUNT ONLY
UP
The nail hole is for
positioning only.
You must use lag screws
to mount the header bracket.
Lag Screw
5/16"-9 x 1-5/8"
Optional
Wall Mounting Holes
Header
Wall
2x4
Structural
Support
Highest Point of
Garage Door Travel
Header
Bracket
CEILING MOUNT ONLY
UP
Door Spring
Garage
Door
Vertical
Centerline
Vertical
Centerline
Lag Screws
5/16"x9x1-5/8"
11
INSTALLATION STEP 3
Attach the T-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
as shown.
• Insert a ring fastener to secure.
Header
Bracket
Belt Pulley
Bracket
Temporary
Support
Header Wall
Garage
Door
Clevis Pin
5/16"x2-3/4 "
Ring
Fastener
Header
Bracket
Belt Pulley
Bracket
T-Rail
HARDWARE SHOWN ACTUALSIZE
Clevis Pin
5/16"x2-3/4"
Ring Fastener
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