Chamberlain HD220C User manual

The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlain.com
CONTENTS
Preparation .............................. 1-4
Assembly................................. 5-9
Installation............................ 10-17
Install the Door Control ............. 18-19
Install the Protector System®...... 20-23
Power.................................. 24-25
Adjustments .......................... 26-28
Operation.................................. 29
Features................................... 30
Remote Control .......................... 31
To Erase the Memory.................... 32
To Open the Door Manually ............ 32
Maintenance.............................. 33
Diagnostic Chart ......................... 34
Warranty .................................. 35
Chain Drive
Garage Door Opener
■ Please read this manual and the enclosed safety materials carefully!
■Fasten the manual near the garage door after installation.
■ metsySrotcetorPehtsselnuESOLCTONLLIWroodehT ®is connected and
properly aligned.
■Periodic checks of the garage door opener are required to ensure safe operation.
■The model number label is located on the back panel of your garage door opener.
■This garage door opener is compatible with Security+ 2.0®accessories.
■WARNING: To reduce the risk of injury to persons – Use this opener ONLY with a
7 foot sectional door.
Serial Number:
Date of Purchase:
Model Number:
Models HD220, HD220C,
PD220, PD222, and LW260C
FOR RESIDENTIAL USE ONLY
INSTALL ON 7 FOOT
SECTIONAL DOORS ONLY
Register your new garage door opener at
www.prodregister.com/chamberlain or
scan the QR code with your smartphone
Write down the following information
for future reference:

1
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 strictaccordance with the instructions and warnings contained in this
manual.
When you see these Safety Symbols and Signal Words on the following pages,they will alertyou to the
possibility of serious injury or death ifyou do notcomplywith the warnings that accompany them.The
hazard may come from something mechanical or from electric shock.Read the warningscarefully.
Mechanical
Electrical
When you see this Signal Word on the following pages,it will alert you to the possibilityof damage to
your garage door and/or the garage door opener if you do notcomplywith the cautionarystatementsthat
accompany it. Read them carefully.
Check the Door
To prevent possible SERIOUS INJURY or DEATH:
lALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance.
An unbalanced garage door mayNOT reverse when required.
lNEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, brackets or their
hardware,ALL of which are under EXTREME tension.
lDisable ALL locks and remove ALL ropes connected to garage door BEFORE installation and
operating garage door opener to avoid entanglement.
To preventdamage to garage door and opener:
lALWAYS disable locksBEFORE installing and operating the opener.
lONLY operate garage door opener at 120 V, 60 Hz to avoid malfunction and damage.
1. Disable locks and remove any ropes connected to the garage door.
2. Lift the door halfway up. Release the door. If balanced, it should stay in
place, supported entirely by its springs.
3. Raise and lower the door to checkfor binding or sticking. If your door
binds, sticks, or is out of balance, call a trained door systems
technician.
4. Check the seal on the bottomof the door. Any gap between the floor
and the bottom of the door mustnotexceed 1/4 inch (6 mm).
Otherwise, the safety reversal system may not work properly.
5. The opener should be installed above the center of the door.Ifthere is
a torsion spring or center bearing plate in the way of the header
bracket, it maybe installed within 4 feet (1.2 m) to the left or rightofthe
door center. See page 11.
Torsion
Spring
Extension
Spring
OR
Preparation

2
Additional Items You May Need:
Survey your garage area to see if you will need any of the following items:
n(2) 2X4 PIECES OF WOOD
May be used to fasten the header bracket to the structural supports. Also used to position the
garagedooropener during installation and for testing the safety reversing sensors.
nSUPPORT BRACKET AND FASTENING HARDWARE
Must be used if you haveafinished ceiling in your garage.
nEXTENSION BRACKETS (MODEL 041A5821-1) OR WOOD BLOCKS
Depending upongarage construction, extension brackets or wood blocks may be needed to
install the safety reversing sensor.
nFASTENING HARDWARE
Alternate floor mounting of the safety reversing sensor will require hardware not provided.
nDOOR REINFORCEMENT
Required if you havealightweight steel, aluminum, fiberglass or glass panel door.
Tools Needed
2
1
3/16
7/16
1/2
7/32
5/16
3/8 7/16
1/2
Preparation

3
Carton Inventory/Repair Parts
Your garage door opener ispackaged in one carton which contains the motor unitand all parts
illustrated below. Accessoriesvarydepending on the garage door opener model purchased.Depending
on your model, other accessories may be included with your garage door opener. Instructions for these
accessories will be attached to the accessory and are not included in this manual.Save the carton and
packing material until the installation and adjustment is complete. The images throughout this manual
are for reference only and your product may look different.
Key Description Part #
AHeader bracket 41A5047-1
BPulley (In hardware bag)
CDoor bracket 41A5047
DCurved door arm
EStraight door arm (Packaged inside front rail section)
FTrolley NOTE: Be sure to assemble the trolley before sliding onto rail. 41C5141-1
GEmergency release rope and handle (In hardware bag)
HRail (1 front and 4 center sections)
IHanging brackets (2) (Packaged inside the front rail section)
JGarage door opener (motor unit)
KChain spreader (In hardware bag)
LChain and cable
MDoor control 041A7367-3
NRemote control 950ESTD
OThe Protector System®Safety reversing sensors with 2 conductor white and white/black
wire attached: Sending Sensor (1), Receiving Sensor (1)
41A5034
PSafety Sensor Brackets (2) 041A5266-1
NOT SHOWN
White and red/white wire 41B4494-1
Owner's manual 114A4706
Hardware
N
A
B
C
H
K
J
OP
I
D
E
F
G
L
M
Preparation

4
Hardware 041A8068
Lock Nut 1/4"-20 (4)
Self-Threading Screw
1/4"-20x1-3/4" (2)
Master Link
Clevis Pin 5/16"x1-1/2"
Clevis Pin
5/16"x1-1/2"
Ring Fastener (4)
Hex Bolt 1/4"-20x3/4" (4)
Lock Washer 5/16"
Hex Nuts 5/16" (2) Self-Threading Screw
1/4"-14x5/8" (2)
Clevis Pin 5/16"x1"
Clevis Pin 5/16"x1-1/4"
Carriage Bolt
1/4"-20x1/2" (2)
Wing Nut 1/4"-20 (2)
ASSEMBLY INSTALLATION
Screw 6ABx1" (2)
DOOR CONTROL
Lag Screw 5/16"-9x1-5/8" (2) Lag Screw #14-10x1-1/2" (2)
Threaded
Shaft
Preparation

5
Assembly
STEP 1 Assemble the rail and trolley
To prevent INJURY from pinching, keep hands and fingers away from the joints while assembling the
rail.
To avoid installation difficulties, do not run the garage dooropener until instructed to do so.
The front rail has a cut out“window” at the door end (see illustration). The front rail has a rail tab. This tab
MUST be on the top of the rail when assembled.
1. Remove the straightdoor arm and hanging bracketpackaged inside the front rail and setaside
for Installation Step 5 and 9. NOTE: To prevent INJURY while unpacking the rail carefully remove
the straight door arm stored within the rail section.
2. The rail sections have a groove onthe sides near the bottom edge.Use these grooves to
align the rail sections.Slide the tapered ends into the larger ones. Tabs along the side will lock
into place.
3. As a temporary stop,insert a screwdriver into the hole in the second rail section from the motor
unit, as shown.
4. Check to be sure there are 4 plastic wear pads inside the inner trolley. Ifthey became loose
during shipping, check all packiSng material. Snap them back into position as shown.
5. Slide the trolley assembly toward the screwdriver as shown.
6. Slide the chain spreader onto the rail until it stops.
TIP: Ensure the rail sections are aligned properly and the chain spreader has been installed
before fastening the rail to motor unit.
Inner Trolley
Wear Pads
Front Rail
Section
(TO DOOR)
To garage
door opener
(TO MOTOR UNIT)
Chain
Spreader
Outer Trolley
Alignment
Groove
Alignment
Groove
Trolley
SLIDE CHAIN
SPREADER
ONTO RAIL
Rail
Tab
Window
Cut-Out
Idler
Pulley
Hole

6
Assembly
STEP 2 Fasten the rail to the motor unit
To avoid SERIOUS damage to garage door opener, use ONLY the 1/4"-20x1-3/4" self-threading
screws provided.
1. Place the motor unit on packing material to protectthe cover, and rest the backend of the rail on
top. For convenience, put a supportunder the front end of the rail.
2. Ensure that the chain spreader isinstalled.
3. Place the rail onto the motor unit. Align the screw holes in the rail with the holes on top of the
motor unit.
4. Use a 1/4" socket to fasten the rail with the screws; DO NOT use any power tools.The use of
power toolsmaypermanentlydamage the garage door opener.
HARDWARE
Self-Threading Screw
1/4"-20x1-3/4"
Chain Spreader
IMPORTANT: Use ONLY
the 1/4"-20x1-3/4"
self-threading screws
provided in a separate bag
inside the hardware bag.
Packing
Material

7
Assembly
STEP 3 Install the pulley
1. Lay the chain/cable beside the rail, asshown. Grasp the end with the cable loop and pass
approximately 12" (30 cm) ofcable through the window.Allow it to hang until Assembly Step 4.
2. Remove the tape from the idler pulley.The inside center should be pre-greased. Ifdry,regrease
to ensure proper operation.
3. Place the idler pulley into the window as shown.
4. Secure idler pulleywith clevis pin and ring fastener.
5. Rotate the pulley to be sure it spins freely.
6. Locate the rail tab. The rail tab is near the idler pulley on the frontrail section.Use a flat head
screwdriver and liftthe rail tab until the tab is vertical (90º).
HARDWARE
Clevis Pin 5/16"x1-1/2" Ring Fastener
Rail
Idler Pulley
Grease Inside Pulley
Cevis Pin
5/16"x
1-1/2"
Ring Fastener
Rail Tab
Chain/Cable
CORRECT
INCORRECT
Rail Tab

8
Assembly
STEP 4 Install the chain
To avoid possible SERIOUS INJURY to finger from moving garage door opener:
lALWAYS keep hand clear ofsprocket while operating opener.
lSecurelyattach chain spreader BEFORE operating.
1. Pull the cable around the idler pulleyand toward the trolley.
2. Connectthe cable to the retaining slot on the trolley.(Figure 1)
a. Push pins of master link bar through cable link and trolley slot.
b. Push master link cap over pinsand pastpin notches.
c. Slide the closed end of the clip-on spring over one ofthe pins.Push the open end ofthe
clip-on spring onto the other pin.
3. With the trolleyagainst the screwdriver, dispense the remainder of the cable/chain along the rail
toward the motor unitinto the sloton the chain spreader, around the sprocket onto the chain
spreader and continuing to the trolley assembly.The sprocketteeth must engage the chain.
(Figure 2)
4. Check to make sure the chain isnot twisted, then connectitto the threaded shaft with the
remaining master link.
5. Thread the inner nut and lockwasher onto the trolleythread shaft
6. Insert the trolley threaded shaftthrough the hole in the trolley.Be sure the chain isnot twisted.
(Figure 3)
7. Loosely thread the outer nut onto the trolley threaded shaft.
8. Remove the screwdriver.
HARDWARE
Master Link
Threaded Shaft
Lock Washer 5/16"-18Nut 5/16"-18
Figure 2
Sprocket
Figure 3
Threaded
Shaft
Front Rail
Section
(TO DOOR)
Inner
Nut
Lock
Washer
Master Link
Master
Link
Outer
Nut
Figure 1
a.
b.
c.

9
Assembly
STEP 5 Tighten the chain
1. Spin the inner nut and lock washer down the trolley threaded shaft, away from the trolley.
2. To tighten the chain, turn the outer nut in the direction shown.
3. When the chain is approximately 1/4" (6 mm) above the base of the rail atit's midpoint, re-tighten
the inner nut to secure the adjustment.
Sprocket noise can result if the chain is too loose or too tight. When installation is complete,you may
notice some chain droop with the door closed. This isnormal. Ifthe chain returns to the position shown
when the door isopen,do not re-adjustthe chain.
NOTES:During future maintenance, ALWAYS pull the emergency release handle to disconnect the
trolley before adjusting the chain.
You have now finished assembling your garage door opener. Please read the following warnings
before proceeding to the installation section.
Base of Rail Mid length of Rail
Chain
1/4" (6 mm)
Outer
Nut
Lock
Washer
Trolley
Threaded
Shaft
Inner Nut
To Tighten
Inner Nut
To Tighten Outer Nut

10
Installation
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 repairsto cables,spring assemblies and other hardware MUST be made bya trained door
systemstechnician 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 the emergency release within reach, but at least6 feet(1.83 m) above the floor and
avoiding contactwith vehiclesto avoid accidental release.
7. NEVER connectgarage 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
caughtin garage door or opener mechanisms.
9. Install wall-mounted garage door control:
lwithin sight ofthe garage door.
lout of reach of children at minimum height of 5 feet (1.5m).
laway from ALL moving parts of the door.
10. Place entrapment warning label on wall nextto garage door control.
11. Place manual release/safetyreverse test label in plain view on inside ofgarage 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.
13. To avoid SERIOUS PERSONAL INJURY or DEATHfrom electrocution,disconnect ALL electric
power BEFORE performing ANY service or maintenance.

11
Installation
STEP 1 Determine the header bracket location
To prevent possible SERIOUS INJURY or DEATH:
lHeader bracketMUST be RIGIDLY fastened to structural supporton header wall or ceiling,
otherwise garage door might NOT reverse when required. DO NOT install header bracket over
drywall.
lConcrete anchors MUST be used if mounting header bracket or 2x4 into masonry.
lNEVER try to loosen, move or adjust garage door, springs, cables, pulleys, brackets, or their
hardware,ALL of which are under EXTREME tension.
lALWAYS 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.
1. Close the door and mark the inside vertical centerline ofthe garage door.
2. Extend the line onto the header wall above the door.
You can fasten the header bracketwithin 4 feet (1.22 m) of the leftor right of the door center only
if a torsion spring or center bearing plate isin the way;or you can attach itto the ceiling when
clearance isminimal. (Itmay 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.
3. Open your door to the highestpoint of travel as shown.Draw an intersecting horizontal line on
the header wall 2" (5 cm) above the high point.
NOTE: Ifthe total number of inches exceeds the height available in your garage, use the maximum
height possible, or refer to page 12 for ceiling installation.
Header Wall Vertical Centerline of Garage Door
2x4 Structural
Supports
Level
(Optional)
Unfinished
Ceiling
2x4
OPTIONAL CEILING MOUNT
FOR HEADER BRACKET
Sectional door with curved track
Header Wall
Track
2" (5 cm)
Highest Point
of Travel
Door

12
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.Followthe
instructions which will work bestfor your particular requirements.Do not install the header bracket over
drywall. If installing into masonry, use concrete anchors (not provided).
HARDWARE
Lag Screw 5/16"-9x1-5/8"
OPTION A WALL INSTALLATION
1. Center the bracketon the vertical centerline with the bottom edge of the bracketon the horizontal
line asshown (with the arrow pointing toward the ceiling).
2. Mark the vertical setofbracketholes.Drill 3/16" pilot holes and fasten the bracket securely to a
structural supportwith the hardware provided.
UP
Wall Mount
Optional Mounting
Holes
Vertical
Centerline of
Garage Door
(Header Wall)
Header
Bracket
2x4 Structural
Support
Door Spring
(Garage Door)
Highest Point
of Garage
Door Travel
Horizontal
Line
Lag Screw
5/16"-9x1-5/8"
OPTION B CEILING INSTALLATION
1. Extend the vertical centerline onto the ceiling as shown.
2. Center the bracketon the vertical mark,no more than 6" (15cm) from the wall. Make sure the
arrow is pointing away from the wall.The bracket can be mounted flush againstthe ceiling when
clearance is minimal.
3. Mark the side holes.Drill 3/16" pilot holes and fasten bracketsecurely to a structural supportwith
the hardware provided.
UP
(Header Wall)
Ceiling Mounting
Holes (Finished Ceiling)
Vertical
Centerline of
Garage Door
Header
Bracket
6" (15 cm)
Maximum
Door Spring
(Garage Door)
Lag Screw
5/16"-9x1-5/8"

13
Installation
STEP3 Attach the rail to the header bracket
1. Align the rail with the header bracket.Insert the clevispin through the holes in the header bracket
and rail. Secure with the ring fastener.
NOTE: Use the packing material as a protective base for the garage door opener.
HARDWARE
Clevis Pin 5/16"x1-1/2" Ring Fastener
Clevis Pin
5/16"x1-1/2"
Ring Fastener
STEP 4 Position the garage door opener
To prevent damage to garage door,rest garage door opener rail on 2x4 placed on top section ofdoor.
1. Remove the packing material and lift the garage door opener onto a ladder.
2. Fullyopen the door and place a 2x4 (laid flat) under the rail.
NOTE: A 2x4 is ideal for setting the distance between the rail and the door. If the ladder is not tall
enough you will need help at this point. If the door hits the trolley when it is raised, pull the trolley release
arm down to disconnect the inner and outer trolley. Slide the outer trolley toward the garage door
opener. The trolley can remain disconnected until instructed.
Connected Disconnected

14
Installation
STEP 5 Hang the garage door opener
To avoid possible SERIOUS INJURY from a falling garage door opener, fasten it SECURELY to
structural supportsof the garage.Concrete anchors MUST be used if installing ANY bracketsinto
masonry.
Hanging the garage door opener will vary depending on your garage.Beloware three example
installations.Your installation may be different.For ALL installations the garage door opener MUST be
connected to structural supports. The instructionsillustrate one of the examples below.
Unfinished CeilingFinished Ceiling
HARDWARE
Lag Screw #14-10x1-1/2" Lock Nut 1/4"-20
Hex Bolt 1/4"-20x3/4"
1. On finished ceilings,use the #14-10x1-1/2" lag screws to attach a supportbracket (notprovided)
to the structural supportsbefore installing the garage door opener.
2. Make sure the garage door opener isaligned with the header bracket.Measure the distance
from each side of the garage door opener to the supportbracket.
3. Cutboth pieces of the hanging bracket to required lengths.
4. Attach the end ofeach hanging bracketto the support bracket with appropriate hardware (not
provided).
5. Attach the garage door opener to the hanging bracketswith the hexboltsand nuts.
6. Remove the 2x4 and manually close the door. If the door hitsthe rail, raise the header bracket.
Finished
Ceiling
(not provided) (not provided)
Lag Screw
#14-10x1-1/2"
123
(not
provided)
Hex Bolt
1/4"-20x3/4"
Lock Nut 1/4"-20
456
Lag Screw
#14-10x1-1/2"

15
Installation
STEP 6 Install the light bulb
To prevent possible OVERHEATING of the end panel or lightsocket:
lUse ONLY A19 incandescent (60W maximum) or compactfluorescent (23W maximum) light
bulbs.
lDO NOT use incandescent bulbs larger than 60W.
To preventdamage to the opener:
lDO NOT use compact fluorescent light bulbs larger than 23W (100W) equivalent.
lDO NOT use halogen bulbs.
lDO NOT use short neck or specialty light bulbs.
1. Pressthe triangular release buttons and swing the lens open.
2. Insert an A19 incandescent (60W maximum) or compact fluorescent (23W, 100W equivalent)
lightbulb into the light socket.
3. Swing the lens shut until triangular buttons click into place.
NOTE: Do not use halogen, short neck, or specialty light bulbs as these may overheat the unit. The use
of LED bulbs may reduce the operating range or performance of your remote controls.
STEP 7 Attach the emergency release rope and handle
To prevent possible SERIOUS INJURY or DEATHfrom a falling garage door:
lIf 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
rapidlyand/or unexpectedly.
lNEVER use emergency release handle unless garage doorway is clear of persons and
obstructions.
lNEVER use handle to pull door open or closed. If rope knot becomesuntied,you could fall.
1. Insert one end of the emergencyrelease rope through the handle. Make sure that “NOTICE” is
rightside up.Tie a knot atleast 1 inch (2.5 cm) from the end of the emergencyrelease rope.
2. Insert the other end ofthe emergency release rope through the hole in the trolleyrelease arm.
Mount the emergency release within reach, but at least 6 feet (1.83 m) above floor, avoiding
contactwith vehicles to prevent accidental release and secure with a knot.
NOTE: Ifit is necessary to cut the emergency release rope, seal the cut end with a match or lighter to
prevent unraveling. Ensure the emergency release rope and handle are above the top of all vehicles to
avoid entanglement.

16
Installation
STEP 8 Install the door bracket
Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE
installation of door bracket.Contactthe garage door manufacturer or installing dealer for opener
reinforcement instructions or reinforcement kit. Failure to reinforce the top section as required
according to the door manufacturer may void the door warranty.
A horizontal and vertical reinforcement isneeded for
lightweight garage doors (fiberglass, aluminum, steel,
doors with glass panel, etc.) (not provided). 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 ofthe top
panel. Contact the garage door manufacturer or installing
dealer for opener reinforcement instructions or
reinforcement kit.
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 the next step.
Self-Threading Screw
1/4"-14x5/8"
HARDWARE
OPTION A SECTIONAL DOORS
1. Center the door bracket on the previouslymarked vertical centerline used for the header bracket
installation. Note correct UP placement, as stamped inside the bracket.
2. Position the top edge of the bracket 2"-4" (5-10 cm) below the top edge ofthe door,OR directly
below any structural support across the top of the door.
3. Mark, drill holes and install as follows, depending on your door’s construction:
Metal orlight weight doors using a vertical angle iron brace between the doorpanel support and
the door bracket:
lDrill 3/16" fastening holes.Secure the door bracketusing the two 1/4"-14x5/8" self threading
screws. (Figure 1)
lAlternately, use two 5/16"-18x2" bolts, lock washers and nuts (not provided). (Figure 2)
Metal, insulated or light weight factory reinforced doors:
lDrill 3/16" fastening holes.Secure the door bracketusing the self-threading screws. (Figure 3)
Wood Doors:
lUse top and bottom or side to side door bracket holes. Drill 5/16" holesthrough the door and
secure bracket with 5/16"-18x2" carriage bolts, lock washers and nuts (not provided). (Figure 4)
NOTE: The 1/4"-14x5/8" self-threading screws are not intended for use on wood doors.
FIGURE 1
FIGURE 3 FIGURE 4
FIGURE 2
Vertical
Reinforcement
Vertical Centerline
of Garage Door
UP
Door Bracket
Vertical Reinforcement
Vertical Centerline
of Garage Door
Hardware
(not provided)
Door Bracket
UP
Vertical
Centerline
of Garage
Door
UP
Vertical Centerline of
Garage Door
Hardware
(not provided)
UP
Inside Edge of Door or
Reinforcement Board
Self-Threading Screw
1/4"-14x5/8"
Self-Threading
Screw
1/4"-14x5/8"

17
Installation
STEP 9 Connect the door arm to the trolley
IMPORTANT: The groove on the straightdoor arm MUSTface away from the curved door arm.
1. Close the door. Disconnectthe trolleyby pulling the emergency release handle.
2. Attach the straight door arm to the outer trolley using the clevispin. Secure with the ring fastener.
3. Attach the curved door arm to the door bracketusing the clevispin. Secure with the ring fastener.
4. Bring arm sections together. Find two pairsofholes thatline up and join sections. Select holesas
far apart as possible to increase door arm rigidity and attach using the bolts and nuts.
5. Pull the emergencyrelease handle toward the garage door opener until the trolley release arm
is horizontal. The trolley will re-engage automatically when the garage door opener is activated.
HARDWARE
Clevis Pin 5/16"x1"Clevis Pin 5/16"x1-1/4"
Ring Fastener
Hex Bolt 1/4"-20x3/4"
Lock Nut 1/4"-20
Straight
Door Arm Curved
Door
Arm
(Groove
facing
out)
CORRECT
Straight
Door
Arm Curved
Door
Arm
INCORRECT
Lock Nut
1/4"-20
Hex Bolt 1/4"-20x3/4"
Clevis Pin 5/16"x1-1/4"
Ring Fastener
Clevis Pin
5/16"x1"

18
Installation
STEP10 Install the door control
To prevent possible SERIOUS INJURY or DEATHfrom electrocution:
lBe sure power is NOT connected BEFORE installing door control.
lConnectONLY to 12 VOLTlow voltage wires.
To prevent possible SERIOUS INJURY or DEATHfrom a closing garage door:
lInstall door control within sight of garage door, out of reach of children at a minimum height of 5
feet (1.5 m), and away from ALL moving parts of door.
lNEVER permitchildren to operate or play with door control push buttons or remote control
transmitters.
lActivate door ONLY when it can be seen clearly,is properly adjusted, and there are no
obstructions to door travel.
lALWAYS keep garage door in sight until completely closed. NEVER permit anyone to cross path
of closing garage door.
INTRODUCTION
Install the door control within sight of the door at a minimum height of 5 feet (1.5 m) where small children
cannot reach, and away from the moving partsof the door.
NOTE: Your product may look different than the illustrations.
HARDWARE
Screw 6ABx1" (2)
1. Strip 1/4" (6 mm) ofinsulation from one end of the wire and separate the wires.
2. Connectone wire to each ofthe two screwson the backof the door control. The wires can be
connected to either screw.
3. Mount the door control with the hardware provided.
1/4" (6 mm)
1 2 3

19
Installation
STEP 11 Wire the door control to the garage door opener
HARDWARE
Insulated Staple
(Not Shown)
1. Run the white and red/white wire from the door control to the garage door opener. Attach the
wire to the wall and ceiling with the staple (notapplicable for gang boxor pre-wired installations).
Do notpierce the wire with the staple as thismay cause a short or an open circuit.
2. Strip 7/16 inch (11 mm) of insulation from the end of the wire near the garage door opener.
3. Connectthe wire to the red and white terminals on the garage door opener. If your garage is pre-
wired make sure you use the same wires thatare connected to the door control. To insert or
release wires from the terminal, push in the tab with screwdriver tip.
Staple
RED
WHITE
WHITE
GREY
7/16" (11 mm)
2
3
1
STEP 12 Attach the warning labels
1. Attach the entrapment warning label on the wall near the door control with tacksor staples.
2. Clean surface and attach the manual release/safety reverse testlabel in a visible location on the
inside of the garage door.