Chamberlain 3240M 1-2 HP, 3130M 1-3 HP User Manual
®
GARAGE DOOR OPENER
Models
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
3130M 1/3 HP
For Residential Use Only
3240M 1/2 HP
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
■ Periodic checks of the opener are required to ensure safe operation.
■ The model number label is located on the front panel of your opener.
®
is connected and properly aligned.
TABLE OF CONTENTS
Introduction 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 6
Fasten rail to the motor unit . . . . . . . . . . . . . . . . . . . . . . . 6
Installation 7-22
Installation safety instructions . . . . . . . . . . . . . . . . . . . . . 7
Determine the header bracket location . . . . . . . . . . . . . . . 8
Install the header bracket . . . . . . . . . . . . . . . . . . . . . . . . . 9
Attach the rail to the header bracket . . . . . . . . . . . . . . . . 10
Install the Protector System
Position the opener. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Hang the opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Install the door control . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Install the lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Attach the emergency release rope and handle. . . . . . . . 17
Electrical requirements . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Complete safety reversing sensor installation. . . . . . . . . 18
Fasten the door bracket. . . . . . . . . . . . . . . . . . . . . . . 19-20
Connect the door arm to the trolley . . . . . . . . . . . . . 21-22
®
. . . . . . . . . . . . . . . . . . 11-13
Adjustment 23-25
Adjust the UP and DOWN travel limits . . . . . . . . . . . . . . 23
Adjust the force. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Test the safety reversal system. . . . . . . . . . . . . . . . . . . . 25
Test the Protector System
®
. . . . . . . . . . . . . . . . . . . . . . . 25
Operation 26-30
Operation safety instructions . . . . . . . . . . . . . . . . . . . . . 26
Using your garage door opener . . . . . . . . . . . . . . . . . . . 26
Using the wall-mounted door control . . . . . . . . . . . . . . . 27
To open the door manually . . . . . . . . . . . . . . . . . . . . . . . 27
Care of your garage door opener . . . . . . . . . . . . . . . . . . 28
Having a problem? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Diagnostic chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Programming 31-32
To add or reprogram a hand-held remote control. . . . . . 31
To erase all codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3-Button remotes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
To add, reprogram or change a Keyless Entry PIN . . . . . 32
Repair Parts 33-34
Rail assembly parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Installation parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Motor unit assembly parts . . . . . . . . . . . . . . . . . . . . . . . 34
Accessories 35
Repair Parts and Service Back page
Warranty Back page
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.
When you see these Safety Symbols and Signal Words on
the following pages, they will alert you to the possibility
Mechanical
Electrical
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.
2
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.
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.
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
Stepladder
One-Piece Door
Carpenter’s
Level (optional)
Drill
1/2", 3/8" Sockets
and Wrench
Tools needed
During assembly, installation and adjustment of the opener,
instructions will call for hand tools as illustrated below.
2
1
Tape Measure
3/16", 5/16"
and 5/32" Drill Bits
Pencil
Wire Cutters
Screwdriver
Hack Saw
Claw Hammer
Pliers
Adjustable End Wrench
3
— — — — — — — —
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 fi nd it helpful to refer back to this page and the
accompanying illustrations as you proceed with the installation of your opener.
SECTIONAL DOOR INSTALLATION
Horizontal and vertical reinforcement is
needed for lightweight garage doors
(fi berglass, steel, aluminum, door with
glass panels, etc.). See page 19 for details.
Header Wall
Vertical
Centerline
of Garage
Door
Gap between fl oor and bottom of
Safety Reversing Sensor
door must not exceed 1/4" (6 mm).
Rail
OR
Wallmounted
Door
Control
Extension
Spring
Torsion
Spring
Safety Reversing Sensor
FINISHED CEILING
Support bracket &
fastening hardware
is required.
See page 15.
Motor unit
Access
Door
ONE-PIECE DOOR WITHOUT TRACK
Header Wall
Safety Reversing Sensor
Gap between fl oor and bottom of
Safety Reversing Sensor
door must not exceed 1/4" (6 mm).
Access
Door
Rail
Wall-mounted
Door Control
FINISHED CEILING
Support bracket &
fastening hardware
is required.
See page 16.
4
ONE-PIECE DOOR WITH TRACK
Safety Reversing Sensor
Safety Reversing
Sensor
Gap between fl oor and bottom of
door must not exceed 1/4" (6 mm).
Motor unit
Wall-mounted
Door Control
Access
Door
Carton Inventory
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.
Model 3240M
Multi-Function Door
Control Panel
Motor Unit with Light Lens
Model 3130M
Safety Reversing
Sensor Brackets (2)
Model 3130M
SECURITY✚®
Lighted Door
Control Button
Remote Control
Visor Clip
Motor Unit with 2 Light Lenses
Model 3240M
3-Button Remote Control
The Protector System
(2) Safety Reversing Sensors
(1 Sending Eye and 1 Receiving
Eye) with 2-Conductor White &
White/Black Bell Wire attached
Rail
CEILING MOUNT ONLY
UP
Header Bracket
Trolley
®
Model 3130M (1)Model 3240M (1)
SECURITY✚®
1-Button Remote Control
Curved Door
Arm Section
Sprocket Coupling
Door Bracket
Safety Labels
and Literature
2 Conductor Bell Wire
White & White/Red
Straight Door
Arm Section
RAIL ASSEMBLY
Coupling Sleeve (1)
Hex Bolt 1/4"-20 x 5/8" (4)
Nut 1/4" - 20 (4)
INSTALLATION HARDWARE
Hex Bolt 5/16"-18x7/8" (4)
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)
Screw 6-32x1" (2)
Self-Threading Screw 1/4"-14x5/8" (2)
Insulated Staples (30)
Ring Fastener (3)
Drywall Anchors (2)
Carriage Bolt 1/4"-20x1/2" (2)
Wing Nut 1/4"-20 (2)
Rope
Handle
5
ASSEMBLY STEP 1
Fasten the Rail to the Motor Unit
To avoid installation diffi culties, do not run the garage
door opener until instructed to do so.
HARDWARE SHOWN ACTUAL SIZE
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 fi ts 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"-20x7/16" hex bolts
and lock nuts. Tighten securely with a 3/8" socket
wrench.
• Turn release arm down to disengage trolley.
• Slide the trolley onto and along the bottom of the rail.
Align trolley with rack and turn release arm up to
re-engage trolley. Be certain to install it facing
correctly: the trolley release arm must be horizontal
(lock position).
Rail Sprocket
Rail Assembly
Coupling
Hex Bolts
1/4"-20x7/16"
Foam Packaging
Hex Bolt 1/4"-20x7/16"
Motor Unit
Bracket
Motor Unit
Sprocket
Hex Bolts
1/4"-20x7/16"
Release Arm
Rack
Trolley
To motor unit
6
INSTALLATION
WARNING
WARNING
WARNING WARNING
IMPORTANT INSTALLATION INSTRUCTIONS
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 (2.1 m) or more
above fl oor.
6. Mount emergency release handle 6 feet (1.8 m)
above fl oor.
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 fl at) on
the fl oor.
7
INSTALLATION STEP 1
Determine the Header Bracket Location
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.
Unfi nished Ceiling
Header Wall
Vertical Centerline
of Garage Door
Level
(optional)
2x4
2x4
OPTIONAL
CEILING
MOUNT
FOR
HEADER
BRACKET
Structural
Supports
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.
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 9) when
clearance is minimal. (It may be mounted on the
wall upside down if necessary, to gain approximately
1/2" (1 cm).
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 9.
3. Open your door to the highest point of travel as shown.
Draw an inter secting 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.
• 8" (20 cm) above the high point for one-piece door
without track.
This height will provide travel clearance for the top
edge of the door.
NOTE: If the total number of inches exceeds the height
available in your garage, use the maximum height
possible, or refer to page 9 for ceiling installation.
Header Wall
3" (7.5 cm)
Highest
Point of
Travel
Door
Sectional door with
curved track
Door
Jamb
Hardware
One-piece door without track:
jamb hardware
Track
Header Wall
8" (20 cm)
Highest
Point
of Travel
Header Wall
3" (7.5 cm)
Highest
Door
One-piece door with
horizontal track
Header Wall
Door
One-piece door without track:
pivot hardware
Point of
Travel
8" (20 cm)
Highest
Point
of Travel
Pivot
Track
8
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 ACTUAL SIZE
Wall Mounting Holes
- Header Wall -
2x4
Structural
Support
Optional Wall
Mounting Holes
Header
Bracket
The nail hole is for
positioning only. You must
use lag screws to mount
the header bracket.
Vertical Centerline
of Garage Door
Lag Screws
5/16"-9x1-5/8"
Door Spring
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 fl ush
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.
Ceiling Mounting Holes
The nail hole is for
positioning only. You
must use lag screws
to mount the header
bracket.
Horizontal
Line
Highest Point
of Garage
Door Travel
6" (15 cm)
Maximum
Door
Spring
Garage Door
- Garage Door -
Vertical Centerline
of Garage Door
- Finished Ceiling -
Vertical Centerline
Header
of Garage Door
Bracket
Vertical
Centerline
of Garage
Door
Lag Screws
5/16"-9x1-5/8"
Header Wall
9
Header Wall
Header Bracket
Rail Bracket
INSTALLATION STEP 3
Attach the Rail to the Header Bracket
• Position the opener on the garage fl oor 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.
Rail
Ring Fastener
Header Bracket
Garage Door
Clevis Pin
5/16"x2-3/4"
Clevis Pin
5/16"x2-3/4"
Spacer
Spacer
Rail
Bracket
Rail
HARDWARE SHOWN ACTUAL SIZE
10
Opener Carton or
Temporary Support
Ring Fastener
Spacer
INSTALLATION STEP 4
Install The Protector System
The safety reversing sensor must be connected and
aligned correctly before the garage door opener will
move in the down direction.
IMPORTANT INFORMATION ABOUT
THE SAFETY REVERSING SENSOR
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 fl ash
10 times.
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 fl oor. 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 mounting brackets are designed to clip onto the track
of sectional garage doors without additional hardware.
®
Be sure power is NOT connected to the garage door
opener BEFORE installing the safety reversing sensor.
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.
• Install the safety reversing sensor so beam is NO
HIGHER than 6" (15 cm) above garage fl oor.
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 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.
Safety Reversing Sensor
6" (15 cm) max.
above floor
Invisible Light Beam
Protection Area
Facing the door from inside the garage
Safety Reversing Sensor
6" (15 cm) max.
above floor
11
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