Overview Of Installation - Chamberlain RJO20 Manual

Preparation

Overview of Installation

Safety reversing
sensor wire
Safety reversing
sensor and bracket
ADDITIONAL ITEMS YOU MAY NEED FOR THE INSTALLATION:
Survey your garage area to see if you will need any of the following items:
• Wood blocks and/or shimming material.
- Used to mount the cable tension monitor.
• Fastening hardware.
- Alternate fl oor mounting of the safety reversing sensor will require hardware not provided.
• Extension brackets (Model 041A5281-1) or wood blocks and shimming material.
- Used to position the garage door opener during installation and for testing the safety reversing sensors if installed on
the wall or fl oor.
(continued)
Door lock wire
Cable tension
monitor and wire
Safety reversing
sensor and bracket
7
Door control wire
Safety reversing
sensor wire
Remote light
Door control