Install in a 19” equipment rack, N o t e – ETC Unison ERn Rack-mount Control Enclosure User Manual

Page 16

Unison

ERn Rack Mount Enclosure Installation Manual

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).

Step 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 9U of rack

space.

Step 2:

Attach the door to the mounting brackets using the hardware provided.

N o t e :

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

for details on wiring).

• connecting power to the IEC connector located on the rear panel (see

• connecting control wiring (see

• installing rack options (see

• check the system operation (see

W A R N I N G :

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.