Introduction, Prepare for installation, Install enclosures – ETC Unison DRd Dimming Rack Enclosure User Manual

Page 3: Rough-in conduit and wiring, Terminate wiring

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Table of Contents

i

T a b l e o f C o n t e n t s

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Warnings and Notice Conventions . . . . . . . . . . . . . . . . . . . . . . .2
Contacting ETC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

C h a p t e r 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

C h a p t e r 2

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

C h a p t e r 3

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

C h a p t e r 4

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

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