Chamberlain 248739 garage door opener

User Manual - Page 2

For 248739.

PDF File Manual, 44 pages, Download pdf file

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OFCO. NTS
Introduction 2-7
Safety Symbol and Signal Word Review.............. 2
Preparing Your GarageDoor....................... 3
Tools Needed .................................. 3
Planning .................................... 4-5
Carton inventory ................................ 6
Hardware inventory .............................. 7
Assembly 8-11
Assemble the Rai!and Install tile Trolley ............. 8
Fastenthe Rail to the Motor Unit ................... 9
Install the Idter Pulley ............................ 9
Install the Belt andAttach the Belt CapRetainer ....... 10
Set the Tension ................................ 11
Installation 11-27
Installation Safety Instructions 11
Determine the HeaderBracketLocation ............. 12
Instaitthe Header Bracket........................ 13
Attach the Rail to the HeaderBracket ............... 14
Position the Opener ............................ 15
Hangthe Opener............................... 16
Install the Door Control.......................... 17
Install the Battery Backup ........................ 18
Install the Lights ............................... I8
Attach the Emergency ReIeaseRopeand Handle ...... t8
Electrical Requirements ......................... 19
Install The Protector System_' ................. 20-23
Fastenthe Door Bracket ...................... 24-25
Connectthe DoorArm to the Trolley............. 26-27
Adjustment 28-30
Adjust the UPand DOWNTravel Limits ............. 28
Adjust the Force ............................... 29
Test the Safety ReversalSystem ................... 30
Test The Protector System® ...................... 30
Operation 31-36
OperationSafety Instructions ..................... 31
UsingYour GarageDoor Opener................... 32
Usingthe WatFMounted Door Control .............. 33
Care of Your Opener............................ 34
Having a Problem? (Troubleshooting) .............. 35
Diagnostic Chart............................... 36
Programming 37-38
To Addor Reprogram aHand-Held Remote Control.... 37
To EraseAII CodesFrom Motor Unit Memory ......... 37
3-Button Remotes.............................. 37
To Add, Reprogram or Changea Keyless Entry PIN .... 38
Repair Parts 3g-40
Rail Assembly Parts ............................ 39
Installation Parts............................... 39
Motor Unit Assembly Parts....................... 40
Accessories 41
Notes 42-43
Repair Partsand Service 44
Warranty 44
INTRODUCTION
Safety Symboland Signal WordReview
This garagedoor openerhas beendesigned and tested to offer safe service provided it is installed, operated, maintained
andtested in strict accordancewith the instructions andwarnings contained in this manual,
Mechanical
Electrical
When you see these Safety Symbols andSignal Words on
thetol!owing pages,they will alertyou to the possibility
of serious injury or deathif you do not comply with the
warnings thataccompany them, The hazard may come
from something mechanical or from electric shock, Read
thewarnings carefully.
Whenyou see this Signal Word on thefollowing pages, it
will alert you to the possibility of damage to your garage
door and/or the garage door opener if you do not compty
with the cautionary statements thataccompany it. Read
them carefu}ty,
2
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