STANLEY LO21B/U MAGIC FORCE Automatic door opener Installation and operation instructions

The STANLEY LO21B/U MAGIC FORCE is an automatic door opener designed for use with the PARALLAX 2 system. It features a quick disconnect cable on the approach side for easy installation and maintenance. The system also includes a safety/stall feature that prevents the door from opening if the breakout switch is not installed correctly.

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STANLEY LO21B/U MAGIC FORCE Installation and Operation Instructions | Manualzz

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Key features

  • Quick disconnect cable
  • Safety/stall feature
  • Easy to install
  • Reliable operation
  • Compatible with PARALLAX 2 system
  • Magic Force auxiliary switch
  • Magic Swing inhibit switch
  • LO21B/U control unit
  • SuperScan quick disconnect cable

Frequently asked questions

The Magic Force auxiliary switch should open at approximately 65-70 degrees. It is used to prevent the door from opening if it is not fully closed.

The SuperScan quick disconnect cable is used to make it easier to disconnect the door opener from the control unit for maintenance or repairs.

The LO21B/U control unit should be installed in a dry, well-ventilated location. Refer to the installation instructions for specific details.

The safety/stall feature prevents the door from opening if the breakout switch is not installed correctly. This helps to prevent accidents and injuries.
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