Functional Test - Chamberlain Liftmaster LA405-24 Installation Manual

Linear actuator swing gate operator
Table of Contents

Advertisement

14
Operating Instructions
Potentiometer Adjustments (see Figure 13)
To decrease, turn potentiometer counter-clockwise.
To increase, turn potentiometer clockwise.
1) Power Control
Controls the electronic power limiter. Adjust it so the gate runs smoothly but can be
stopped by hand.
2) Cycle Speed
Controls the speed of the motor. Adjust as needed.
3) Brake Speed
Controls the deceleration speed. Adjust brake for smooth operation.
4) Stop Time
Works with Dip Fix 1 to control the timer to close. Min. 7-sec.; Max. 140-sec. If DIP FIX is
unlatched the timer is ON. If DIP FIX is latched the timer is OFF.
5) Decel Motor 2
Adjusts the slave delay time. Min. 1-sec.; Max. 10-sec.

Functional Test

ATTACH GATE
Disconnect manual release (see Figure 14 and Figure 15). Swing gate by hand to ensure smooth
and even operation.
POWER SETTING
Reconnect and lock gate manual release. Apply power and run gate. Adjust potentiometer (#1).
Decrease power until gate can be stopped by hand. Increase power slightly to account for wind,
snow, etc. If gate does not run smoothly, increase power further.
INSTALL SAFETY EQUIPMENT
Install safety equipment per the manufacturers instructions and ensure proper operation. Connect
equipment as described on pages 8 and 9. DO NOT operate the gate unsupervised without
testing the safety equipment.
INSTALL ACCESS CONTROLS
Install access control per the manufacturers instructions. Connect equipment as described on
pages 9 and 9.
Doc 01-G0399
Rev A
NOTE: Avoid setting the potentiometers to absolute minimum or maximum.

Advertisement

Table of Contents
loading

Table of Contents