Chamberlain 2000SDC 1/2HP - Manual (Page 2)

Contents
Safety alert symbol review.............................. ..... 2 Install the lights and lens............................... ....19
Safety information and precautions................. ..... 3 Attach the manual release rope and handle... ....19
Testing your garage door for binding & balance ... ..... 3 Fasten the door bracket (sectional door)....... ....20
Hardware supplied........................................... ..... 3 Fasten the door bracket (one-piece door)...... ....21
Carton inventory.............................................. ..... 4 Connect door arm to trolley (sectional door). ....22
Illustration of sectional door installation ........ ..... 5 Connect door arm to trolley (one-piece door)...... ....23
Illustration of one-piece door installation........ ..... 5 Adjustment section - pages 24 - 26
Assembly section - pages 6 - 7 Travel limit adjustments................................ ....24
Fasten rail to power unit................................. ..... 6 Force adjustments.......................................... ....25
Install the trolley............................................ ..... 6 Test the Protector System®........................... ....26
Attach the rail brackets................................... ..... 7 Test the safety reverse system....................... ....26
Installation safety instructions........................ ..... 7 Operation safety instructions........................... ....27
Installation section - pages 8 - 23 Care of your opener......................................... ....27
Determine the header bracket location Maintenance schedule..................................... ....27
Sectional door.............................................. ..... 8 Operation of your opener................................ ....28
One-piece door............................................. ..... 9 Receiver & remote control programming....... ....29
Install the header bracket............................... ....10 Having a problem?.......................................... ....30
Attach the rail to the header bracket.............. ....11 Repair parts, rail assembly.............................. ....32
The Protector System® ................................. ....12 Repair parts, installation.................................. ....32
Install the safety reversing sensor.................. ....13 Repair parts, power unit.................................. ....33
Position the opener......................................... ....15 Accessories...................................................... ....34
Hang the opener............................................. ....16 Index................................................................ ....35
Install the door control and connect all wires .....17 How to order repair parts................................ ....36
Electrical requirements.................................. ....18 Warranty.......................................................... ....36
Complete the safety reversing sensor installation ....18
Start by reviewing these important safety alert symbols:
When you see these Safety Symbols on the following pages, they will alert you to the possibility of serious injury
or death if you do not comply with the corresponding instructions. The hazard may come from something
mechanical or from electric shock. Read the instructions carefully.
Mechanical Electrical
When you see this Safety Symbol 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 corresponding instructions. Read the
instructions carefully.
This garage door opener is designed and tested to offer safe service provided it is installed, operated, maintained
and tested in strict accordance with the safety instructions contained in this manual.
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