Electric Locking Doors - Specifications

Automatic door operator shall be Horizon HD3 unit, compliant with standards NZS:4239, powered by a D C motor through a toothed timing belt for silent operation. Control to be in the form of a multifunction microprocessor.

By motion detection sensors for two way traffic.
By twin eyed safety beam across opening. Beam heights shall be one at 100mm and the other at 700mm above F.F.L.

Locking

Shall be by a Horizon magnetic shearlock fitted within the operator. The mag lock will be complete with an 8 hour battery backup in case of power failure.

Provide a five position key mode PAD to control door functions. Positions as follows.

1. Auto	- For day time use. Doors operate automatically for two-way traffic.
2. Exit Only	- Doors will lock. Doors will open for traffic exiting the chamber. External sensor will switch off not allowing entry.
3. Lock	- Doors will be locked. External and internal sensors will not operate door.
4. Hold Open	- Doors will remain in fully open position.
5. Half Open	- Reduce door width in cold or windy conditions

Provide a green push button with the words "Press for Exit" engraved in white. When the button is pressed the doors will cycle open then close and re-lock.

Provide standard keyswitch or stainless steel plate on the portal 1200mm above pavement to admit first person. On activation doors will cycle open then close and re-lock.

A battery failsafe will open the doors automatically in the event of a power failure while doors are in the 'Auto' mode. The failsafe battery will drive the doors open in the 'Exit Only and Lock' mode upon pressing the emergency exit push button.

A set of clean contacts shall be provided within the operator for connection of the operator to the fire alarm system. These contacts are voltage free normally open. In an alarm state the fire security system will close the contacts to drive the door to the fully open position. Running of wiring from the panel to the operator is the responsibility of the fire system contractor.

Provide a bond sensor with voltage free contacts so security system can monitor closed door. These security contacts are provided within the unit. Connection by Security Contractor.