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General Installation
Guidelines
Mounting Access Control Units and Components
Identify and mount all hardware including access control units (ACUs) and power supplies in a convenient and
suitable location. Do not mount access control units close to high-voltage equipment. Comply with all local and
regional codes.
Each access control unit requires two dedicated Class 2 transformers. The following transformers are
acceptable:
•
16V 40VA transformer
•
16.5V 37VA transformer
Record the serial number and the model number listed on the control board. The serial number is a required
entry in the Keyscan Client software. Do not mount the transformers inside the ACU metal enclosure.
Mounting Readers and Door Hardware
Install all door hardware. Position readers at a convenient height on the door latch side. Using a battery for
power, ensure the door operates properly – alignment, holding, activation, de-activation – before connecting
to the Keyscan access control unit. Where applicable, comply with all fire and safety codes for the installation
of door strikes and magnetic locks.
If a door/reader is located beyond the maximum cable length to the ACU, use a Keyscan WIEEX2 Extender Kit
to a maximum distance of 4000 feet (1219.2 m).
Cables
Run all cables between components. Label cables as they are installed. Do not connect cables at the ACU until
testing all hardware for correct operation. Cable routes should avoid potential sources of electrical noise from
fluorescent light fixtures, high-voltage equipment, high-voltage lines, and radio transmission equipment that
may impede access control communication.
Use specified cables with the proper gauges. Do not exceed maximum cable distances.
Elevators
Elevator installations require licensed third party technicians. Not all readers are designed for elevator
operation. Use suitable readers.
Keyscan Technical Guide (PC109x - 04.12)
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