Chamberlain 120ad User Manuals

Table of Contents

• Safety rule review

  2
• Adjust the travel limits

  25
• Preparing your garage door

  3
• Adjust the force

  26
• Tools needed

  3
• Test the safety reverse system

  27
• Planning

  4
• Testing the safety infra-red safety sensors

  27
• Carton inventory

  6
• Hardware inventory

  7
• Operation safety instructions

  28
• 8-10 Using your garage door opener

  28
• To open the door manually

  29
• Install the trolley

  9
• Care of your opener

  29
• Fasten rail to motor unit

  9
• Troubleshooting

  30
• Install chain & attach chain spreader

  9
• Install the chain noise reduction pads

  10
• To code a hand-held remote control

  31
• 11-24 To erase all codes

  31
• Installation safety instructions

  11
• Multi-function remotes

  31
• Determine the header bracket location

  12
• Install the header bracket

  14
• Attach the rail to the header bracket

  15
• Position the opener

  15
• Hang the opener

  16
• Install the door control

  17
• Install the remote control wall mount (optional)

  17
• Wiring instructions for optional accessories

  18
• Install the light globe

  19
• Attach the emergency release rope and handle

  19
• Connect electric power

  19
• Installing the safety infra-red safety sensors

  20
• Fasten the door bracket

  21
• Connect door arm to trolley

  23
• Computer Codes

  8
• Code Switch Code

  1
• Keypad Code

  1