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Chamberlain RJO20 - Overview of Installation

Chamberlain RJO20
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7
Safety reversing
sensor and bracket
Safety reversing
sensor and bracket
Door control wire
Door control
Remote light
Safety reversing
sensor wire
Safety reversing
sensor wire
Door lock wire
Cable tension
monitor and wire
Overview of Installation
Preparation (continued)
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.

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