10
Unison
®
ERn Rack Mount Enclosure Installation Manual
Install Enclosure
Install in a 19” Equipment Rack
Rack mounting brackets are installed on the ERn unit when shipped from the factory. Also included,
but not attached to the unit at shipment, is a flush mounted, locking door. The door provides visibility
and access openings for the Paradigm architectural control processor (P-ACP) user interface and the
related status indicators. Additional access openings are provided for visibility of status indicators on
the Paradigm station power modules (P-SPM) and Paradigm station repeater modules (P-REP or P-
DREP).
1: Secure the ERn enclosure to the 19” equipment rack using the hardware provided. The ERn2
requires 5U of rack space and the ERn4 requires 8U of rack space.
2: Attach the door to the mounting brackets using the hardware provided.
Note:
Complete the entire installation before attaching the flush mounted locking door.
Reference -
•preparing and pulling required wire to the rear panel of the ERn enclosure (see
Wire
Requirements
on
page 7
for details on wiring).
•connecting power to the IEC connector located on the rear panel (see
IEC Power
Input Connector
on
page 11
).
•connecting control wiring (see
Connect Control Wiring
on
page 12
).
•installing rack options (see
Rack Options
on
page 19
).
•check the system operation (see
Final Installation and Power Up
on
page 25
).
WARNING:
All terminations must be done with the power off. Enclosures installed
without an accessible power disconnect device cannot be serviced or
operated safely. Follow all local codes and restrictions.
When the disconnect device is not located near the installed enclosure, the
disconnect must allow for proper Lockout/Tagout.
