ZK1800
SWING GATE OPERATOR USER’S MANUAL
14
8. Mechanical / Adjustment
Manual operation (see Fig.16)
If a power failure or a malfunction occurs the gate can be operated manually by releasing the
operator to manual operation.
Move the protection tab, insert the key supplied into the lock.
Rotate the key clockwise by 180
º
to release the operator, open and close the gate manually.
Reverse these steps when engage the operator.
Fig.16
Limit switch
Limit switches are needed to stop the gate at the correct open and closed positions.
Isolate the power supply to the system.
Back off the screw retaining the front cover, remove the front cover. Slide out the aluminium
limit switch cover. (See Fig.17)
Release the operator, manually close the gate to fully closed position.
Slacken and then press down the screw locking the close limit switch by a screwdriver.
Move the close limit switch into the required position and tighten the limit switch lock
screw.(see Fig.18)
Manually open the gate to fully open position.
Slacken and then press down the screw locking the open limit switch by a screwdriver.
Move the open limit switch into the required position and tighten the limit switch lock screw.
NOTE:
Move the open limit switch to right to open more, move the open limit switch to left to open less.
Move the close limit switch to right to close less, move the close limit switch to left to close more.
After limit switch adjustment, with power on, you can open the gate then close the gate and observe
whether the gate has successfully reached the open and closed positions. If the gate does not reach
the desired position, readjust the limit switch to suit the desired distance, the process is the same as
the adjusting as above.
Rotate the key clockwise to release the operator.
Rotate the key anticlockwise to engage the operator.
