Chamberlain POWER DRIVE PD300 User manual

The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlain.com
CONTENTS
Preparation .............................. 1-4
Assembly................................. 5-9
Installation............................ 10-19
Install the Door Control ............. 20-21
Install the Protector System®...... 22-25
Power.................................. 26-27
Adjustments .......................... 28-30
Operation.................................. 31
Using Your Garage Door Opener ...... 32
Using the Wall-Mounted
Door Control .............................. 32
To Open the Door Manual .............. 33
Care of Your Opener..................... 33
Having a Problem? ...................... 34
Diagnostic Chart ......................... 35
Programming......................... 36-37
The Remote Control Battery............ 38
Accessories............................... 39
Warranty .............................. 40-41
Repair Parts .......................... 42-43
1/2 hp Chain Drive
Garage Door Opener
■ 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 garage door opener are required to ensure safe
operation.
■The model number label is located on the front panel of your garage
door opener.
FOR RESIDENTIAL USE ONLY
Serial Number:
Date of Purchase:
Write down the following information
for future reference:
.
.
PD210 • PD212D •
PD300 • LW2000 •
HD200D • 248730
PD610D • PD612D •
HD400D • LW3000
There are two types of garage door openers pictured.
Yours may appear slightly different.
®

1
Safety Symbol and Signal Word Review
This garage door opener has been designed and tested to offer safe service provided it isinstalled,
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 alert you to the
possibility of serious injury or death ifyou do notcomply with the warnings that accompany them.The
hazard may come from something mechanical or from electric shock.Read the warnings carefully.
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 notcomply with the cautionary statements that
accompany it. Read them carefully.
Check the Door
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 NOTreverse 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ropesconnected to garage door BEFORE installation and
operating garage door opener to avoid entanglement.
To preventdamage to garage door and opener:
• ALWAYS disable locks BEFORE installing and operating the opener.
• ONLY operate garage door opener at120 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 bottom of the door. Anygap between the floor
and the bottomof 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 ofthe 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 (1.2 m) to the leftor right ofthe
door center.See page 13.
Torsion
Spring
Extension
Spring
OR
Preparation

2
Additional Items You May Need:
Surveyyour garage area to see ifyou will need any of the following items:
n(2) 2X4 PIECES OF WOOD
Maybe used to fasten the header bracket to the structural supports.Also used to position the
garage door opener during installation and for testing the safetyreversing sensors.
nSUPPORT BRACKET AND FASTENING HARDWARE
Must be used if you have a finished ceiling in your garage.
nEXTENSION BRACKETS (MODEL 41A5281) OR WOOD BLOCKS
Depending upon garage 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.
nOUTSIDEQUICKRELEASE (MODEL 7702CB)
Required for a garage with NO accessdoor.
nDOOR REINFORCEMENT
Required if you have a lightweight steel, aluminum, fiberglass or glass panel door.
nRAIL EXTENSION KIT
Required ifyour garage door is more than 7 feet (2.13 m) high.
Tools Needed
2
1
3/16
7/16
1/2
5/32
5/16
5/8
9/16
1/4
7/16
Preparation

3
Carton Inventory
Your garage door opener ispackaged in one carton which contains the motor unit and all parts
illustrated below.Accessories varydepending on the garage door opener model purchased.Depending
on your model, other accessoriesmay be included with your garage door opener. Instructions for these
accessorieswill be attached to the accessoryand are not included in this manual.Ifanything is missing,
carefully check the packing material. Hardware for assembly and installation is shown on the nextpage.
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.
A. Header bracket
B. Pulley
C. Door bracket
D. Curved door arm
E. Straight door arm (Packaged inside front rail section)
F. Trolley
NOTE: Be sure to assemble the trolley before sliding onto rail.
G. Emergency release rope and handle
H. Rail (1 front and 4 center sections)
I. Hanging brackets (2) (Packaged inside the front rail section)
J. Garage door opener (motor unit)
K. Chain spreader with screws
L. “U” bracket
M. Chain and cable
N. Door control (Door Control Button or Multi-Function Door Control)
O. Remote control
P. The Protector System®
Safety reversing sensors with 2 conductor white and white/black wire attached: Sending Sensor (1),
Receiving Sensor (1), and Safety Sensor Brackets (2)
Q. Keyless Entry (Depending on the model purchased)
NOTSHOWN
White and red/white wire
Owner's manual
N
A
B
C
H
K
J
I
D
E
F
G
L
M
P
OR
Models
LW2000,
HD200D,
PD300,
and
248730
All
Other
Models
OR
O Q
Models
PD210D (1)
PD212D (2)
PD300 (1)
LW2000 (1)
HD200D (1)
248730 (1)
Models
PD610D (1)
PD612D (2)
HD400D (2)
LW3000 (2)
Models
HD400D
LW3000
Preparation

4
Hardware Inventory
Bolt
1/4"-20x1-3/4"
Lock Nut
1/4"-20
Bolt
Nut 3/8" Lock Washer 3/8"
Master Link
Clevis Pin 5/16"x1-1/2"
Ring Fastener (3)
Hex Bolt 5/16"-18x7/8" (4)
Lock Washer
5/16"-18 (5)
Nut
5/16"-18 (6)
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 HARDWARE INSTALLATION HARDWARE
Screw 6ABx1" (2)
Drywall Anchors (2)
Screw 6-32x1" (2)
DOOR CONTROL HARDWARE
Insulated
Staples
(Not Shown)
Lag Screw 5/16"-9x1-5/8" (4)
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 door opener until instructed to do so.
The front rail has a cutout “window” atthe door end (see illustration).The hole above this window is
larger on the top of the rail than on the bottom.A smaller hole 3-1/2" (8.9 cm) away is close to the rail
edge. Rotate the backrail so ithas a similar hole close to the opposite edge, about 4-3/4" (12 cm) from
the far end.
1. Remove the straight door arm and hanging bracket packaged inside the front rail and set
aside 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. Align the rail sections on a flatsurface asshown and slide the tapered ends into the larger
ones. Tabsalong the side will lockinto place.
3. Place the motor unit on packing material to protectthe cover,and rest the back end of the rail
on top. For convenience, puta support under the front end ofthe rail.
4. As a temporary stop, insert a screwdriver into the hole 10" (25 cm) from the front end ofthe rail,
as shown.
5. Check to be sure there are 4 plastic wear pads inside the inner trolley.Ifthey became loose
during shipping, check all packing material. Snap them back into position as shown.
6. Slide the trolley assemblytoward the screwdriver as shown.
7. Slide the rail onto the “U” bracket, until itreaches all the stops on the top and sides ofthe “U”
bracket.
To garage
door opener
(TO MOTOR UNIT)
Front Rail
Section
(TO DOOR)
“U” Bracket
Outer Trolley
Inner Trolley
Wear Pads
Rail
Tab
Trolley
Window
Cut-Out
SLIDE TO STOPS
ON TOP AND
SIDES OF
“U” BRACKET
Idler
Pulley
Hole

6
Assembly
STEP 2 Fasten the rail to the motor unit
To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the
top of the opener.
To avoid possible SERIOUSINJURYto fingers:
lSecurelyattach chain spreader.
lNEVERconnect garage door opener to power source until instructed to do so.
1. Insert a 1/4"-20x1-3/4" boltinto the cover protection bolthole on the backend ofthe rail as
shown.Tighten securely with a 1/4"-20 locknut.Do NOT overtighten.
2. Remove the two bolts from the top of the motor unit.
3. Use the carton to supportthe front end ofthe rail.
4. Place the “U” bracket,flat side down onto the motor unitand align the bracketholes with the
bolt holes.
5. Fasten the “U” bracket with the previouslyremoved bolts; DO NOT use any power tools. The
use of power toolsmaypermanentlydamage the garage door opener.
6. Attach spreader to the motor unit with two screws.
(Mounted in the
Bolts
garage door opener)
HARDWARE
Bolt 1/4"-20x1-3/4"
Lock Nut 1/4"-20
“U” Bracket
Bolts
Hex Screws
8-32x7/16
Cover
Protection
Bolt Hole
Bolt
1/4"-20x1-3/4"
Lock Nut 1/4"-20

7
Assembly
STEP 3 Install the idler pulley
1. Lay the chain/cable beside the rail, asshown. Grasp the end with the cable loop and pass
approximately12" (30 cm) ofcable through the window.Allowit to hang until Assembly Step 4.
2. Remove the tape from the idler pulley.The inside center should be pre-greased. If dry,
regrease to ensure proper operation.
3. Place the idler pulley into the window asshown.
4. Insert the idler bolt from the top through the rail and pulley. Tighten with a 3/8" lock washer and
nut underneath the rail until the lock washer is compressed.
5. Rotate the pulleyto be sure itspins freely.
6. Locate the rail tab.The rail tab isbetween the idler bolt and the trolley in the frontrail section.
Use a flathead screwdriver and lift the rail tab until the tab is vertical (90º).
HARDWARE
Bolt Nut 3/8"
Lock Washer 3/8"
Screwdriver
Rail
Idler Pulley
Grease Inside Pulley
Bolt
Lock Washer 3/8"
Nut 3/8"
Rail
Tab
CORRECT
INCORRECT
Rail Tab

8
Assembly
STEP 4 Install the chain
1. Pull the cable around the idler pulleyand toward the trolley.
2. Connectthe cable to the retaining slot on the trolley.(a)
a. Push pins of master link bar through cable link and trolley slot.
b. Push master link cap over pins and past pin notches.
c. Slide clip-on spring over cap and onto pin notches until both pins are securely
locked in place.
3. With the trolley againstthe screwdriver,dispense the remainder ofthe cable/chain along the
rail toward the motor unit into the sloton the chain spreader, around the sprocketonto the
chain spreader and continuing to the trolley assembly. The sprocket teeth mustengage the
chain. (b)
4. Check to make sure the chain isnot twisted, then connect it to the threaded shaft with the
remaining master link.
5. Thread the inner nut and lockwasher onto the trolley threaded shaft.
6. Insert the trolley threaded shaftthrough the hole in the trolley.Be sure the chain is not
twisted. (c)
7. Loosely thread the outer nut onto the trolley threaded shaft.
8. Remove the screwdriver.
HARDWARE
Master
Link
Threaded Shaft
c.
Threaded
Shaft
Outer
Nut
Front Rail
Section
(TO DOOR)
Inner
Nut
Lock
Washer
Master Link
Master
Link
b.
a.
Sprocket

9
Assembly
STEP 5 Tighten the chain
1. Spin the inner nutand lockwasher down the trolley threaded shaft, away from the trolley.
2. To tighten the chain,turn the outer nutin the direction shown.
3. When the chain is approximately1/4" (6 mm) above the base of the rail at it's midpoint,re-
tighten the inner nut to secure the adjustment.
Sprocket noise can resultif the chain is too loose. When installation is complete, you may notice some
chain droop with the door closed.This is normal. If the chain returns to the position shown when the door
is open, do not re-adjust the chain.
NOTES:
lDuring future maintenance, ALWAYS pull the emergency release handle to disconnectthe
trolley before adjusting the chain.
lYou may notice loosening of the chain after Adjustment Step 3 (Test the Safety Reversal
System). Check for proper tension and readjust chain if necessary. Then repeat Adjustment
Step 3.
You have now finished assembling your garage door opener. Please read the following warnings
before proceeding to the installation section.
Outer
Nut
Lock
Washer
Trolley
Threaded
Shaft
Inner Nut
To Tighten
Inner Nut
To Tighten Outer Nut
Base of Rail Mid length of Rail
Chain
1/4" (6 mm)