8
Installation of the Magnets
Before install limit switch, make sure the gate opener is put in manual operation. (the clutch connected with
gear shaft is disengaged) and the mains power supply is disconnected.
Position the S&N Magnet Components approximately on the gate and move the gate by hand to fix them in
place.
Fit magnets bracket
Push the gate fully closed by hand. Locate and install the magnet bracket so that the opener will stop at the
desired close position when the close limit switch approaches it.
Push the gate fully open by hand. Locate and install the magnet bracket so that the opener will stop at the
desired open position when the open limit switch approaches it.
The magnet component with N pole outside must be installed at left side and the magnet component
with S pole outside must be installed at right side from the view inside of property.
Ensure magnet center to align with the marked line above !
The magnets should be
25~30mm (1-1.2”)
away from the
Limit Switch Box
. If it is too near or too far, the
switches will fail to work. Adjust the position of the magnets until the positions of the opening and closing
meet the requirement.
Important:
* Check that the rack teeth must engage the gear teeth throughout their full thickness. If not, adjust the
position of the opener or/and place a few shims between the rack and gate.
* Manually slide the gate leaf to ensure the rack is proper on the gear of opener.
* Repeat same steps of first rack section to install the rest rack sections until proper length is reached.
* Cut away any excess of the rack (Note: rack length must be longer than actual travel of the gate)
Connection of the Power Supply
WARNING: NEVER connect the gate opener to the power outlet before all the installations have
Warning:
Improper magnets installation may cause the gate crash into end barrier,
which is very dangerous !
