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Electric Locking For Security
Control
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.
Activation
-
By directional microwave sensors for two way traffic. Sensors
will only activate for a person approaching the doors. Only
directional sensors are acceptable to ensure the efficient
operation of the entrance.
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By twin eyed safety beam across
opening. Beam heights shall be 100mm and 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.
The lock shall be controlled by a five-position
illuminated modepad. Positions as follows.
| 1. Auto |
- |
For normal day use. Doors operate automatically for two-way
traffic. |
| 2. Exit Only |
- |
Doors will
lock. Doors will open for traffic exiting the premises. 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 |
Emergency Egress
Emergency breakglass switch to be provided by Security
Contractor.
First Person Entry
Provision for first person entry by Security Contractor.
Failsafe
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 push button.
Security Control
Provide a Horizon standard security interface board
with blue terminal blocks with voltage free contacts for security
to supply normally closed signal to either open or lock the door.
To monitor the door closed (via bond sensor) and door locked position
(via reed switch), both connections are voltage free and connecting
to these are by the security contractor.
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Horizon
Automatic Doors - the answer to total door control 
