The control panel shall be located as shown in drawing and as specified by Engineer in charge for
easy operation and enable the operator to have a full view of the area during operation of the door.
The OPEN & CLOSE push buttons are constant pressure (HOLD to RUN) and the EMERGENCY
STOP push buttons is STAY PUT type and have to be twisted to release.
Emergency limit switch shall be provided at the extreme limits of travel just before the mechanical
buffers. These emergency limit switches shall totally cut- off the control/power supply to the system
in case the doors over shoot their normal limits.
Audio/visual alarm-Each door control panel shall be provided with a flashing light cum hooter that
shall start & continue to operate during the time door is in operation.
Key Operation: An operating key switch shall be provided on each control panel to prevent
unauthorized operation of the doors.
