Introduction, Prepare for installation, Install enclosures – ETC Unison DRd Dimming Rack Enclosure User Manual
Page 3: Rough-in conduit and wiring, Terminate wiring

Table of Contents
i
T a b l e o f C o n t e n t s
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Prepare for Installation . . . . . . . . . . . . . . . . . 5
Unpack and Inspect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Main Circuit Breaker Protection . . . . . . . . . . . . . . . . . . . . . . . . . .5
Using 90° Copper Wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Maximum Current Draw. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Short Circuit Current Rating (SCCR) . . . . . . . . . . . . . . . . . . .6
Where to Install the Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Clearance Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Dimensions and Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Installation Environment Requirements . . . . . . . . . . . . . . . . . . . .8
Wire Routing and Specification . . . . . . . . . . . . . . . . . . . . . . . . . .8
Control Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Control Wire Specification . . . . . . . . . . . . . . . . . . . . . . . . . .10
Install Enclosures . . . . . . . . . . . . . . . . . . . . 12
Mounting Individual DRd Enclosures . . . . . . . . . . . . . . . . . . . . . . . .13
Mounting Individual Enclosures on a Wall . . . . . . . . . . . . . . . . .13
Mounting a DRd Enclosure on a Pedestal . . . . . . . . . . . . . . . . . . . .14
Mounting Auxiliary and DRd Enclosures Together. . . . . . . . . . . . . .15
Rough-in Conduit and Wiring . . . . . . . . . . . 17
Prepare the DRd Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Remove the DRd Power Supply/Dimming Engine Access Panel .
18
Modify Phase Bus for 120V AC Split Phase Operation . . . . . . .19
Rough-in Conduit to the DRd Enclosure . . . . . . . . . . . . . . . . . . . . .21
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Terminate Wiring. . . . . . . . . . . . . . . . . . . . . 24
Connect Line Power Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Connect Line Feed in an Individual DRd Installation . . . . . . . . .25
100, 120, 127 V AC, 3Ø DRd Enclosures. . . . . . . . . . . . . . .26
230V AC Neutral Disconnect DRd Enclosures . . . . . . . . . . .27