ETC Unison DRd Dimming Rack Enclosure User Manual

DRd Enclosure
Installation Manual

Revision D

Copyright © 2014 Electronic Theatre Controls, Inc.

All Rights reserved.

Product information and specifications subject to change.

Part Number:

7183M2100

Released: 2014-07

Rev D

ETC®, Unison Paradigm®, Echo™, and SmartLink® are either registered trademarks or trademarks of Electronic
Theatre Controls, Inc. in the United States and other countries. All other trademarks, both marked and not
marked, are the property of their respective owners.

ETC intends this document, whether printed or electronic, to be provided in its entirety.

Table of Contents

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

Warnings and Notice Conventions . . . . . . . . . . . . . . . . . . . . . . .2

Contacting ETC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

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

Chapter 1

Chapter 2

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

Chapter 3

Chapter 4

Table of Contents i

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

240, 277V AC DRd Enclosures . . . . . . . . . . . . . . . . . . . . . .27

Connect Load Wires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Fluorescent Load Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

3-wire Fluorescent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

2-wire Fluorescent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Connect Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

DRd Right I/O Data Terminations . . . . . . . . . . . . . . . . . . . . . . .34

Auxiliary Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

LinkConnect and EchoConnect Control Wiring . . . . . . . . . .35

UL 924 Listed Panic Input. . . . . . . . . . . . . . . . . . . . . . . . . . .35

DMX Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

AX12X Cross-bussed Interconnection . . . . . . . . . . . . . . . . .36

Terminate the Unison Options (URTO and UBPO) . . . . . . .37

Terminate DMX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

DRd Left I/O Data Termination . . . . . . . . . . . . . . . . . . . . . . . . .38

Connect to Serial RS-232 . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Connect to Ethernet RJ-45 . . . . . . . . . . . . . . . . . . . . . . . . . .38

Connect to Contact Inputs and Contact Outputs . . . . . . . . .39

Chapter 5

Chapter 6

Appendix A

Install Option Kits . . . . . . . . . . . . . . . . . . . . 40

Installation of Option Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

DALI Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Install the DALI Option kit . . . . . . . . . . . . . . . . . . . . . . . . . . .41

Connect DALI Option Wiring. . . . . . . . . . . . . . . . . . . . . . . . .43

0-10V Control Option Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Connect 0-10V Control Option Wiring . . . . . . . . . . . . . . . . .45

RideThru Option Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Install the RideThru Option Kit . . . . . . . . . . . . . . . . . . . . . . .46

Connect RideThru Option Wiring . . . . . . . . . . . . . . . . . . . . .47

BatteryPack Option Kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Install the BatteryPack Option Kit . . . . . . . . . . . . . . . . . . . . .47

Final Installation and Power Up . . . . . . . . . 50

Checking the Installation before Installing Modules . . . . . . . . . . . . .51

Sealing Air Leaks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Final Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Control Bypass (Test Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . .54

Reengage Module Retention Bar . . . . . . . . . . . . . . . . . . . . . . .55

Modules Specification. . . . . . . . . . . . . . . . . 57

Appendix B

ii DRd Enclosure Installation Manual

CE 230V Emergency Modules . . . . . . . . . . 61

About Emergency Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

Wire Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

Non Neutral Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Neutral Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Introduction

DRd6

DRd12

Welcome to the installation manual for Unison® DRd enclosures. This manual contains the
procedures for safe and efficient installation of your DRd enclosure and related
terminations.

Use this manual in conjunction with the Unison Auxiliary Enclosure Installation Manual
when your DRd is to be installed with an adjoining auxiliary enclosure.

DRd Series Enclosures

Series Voltage Notes

DRd6-12-120
DRd6-12-240
DRd6-12-230
DRd6-12-277

DRd12-24-120
DRd12-24-240
DRd12-24-230
DRd12-24-277

DRd12-48-120
DRd12-48-240
DRd12-48-277

120/208 V AC
240/415 V AC
230/400 V AC CE Neutral Disconnect
277/480 V AC

120/208 V AC
240/415 V AC
230/400 V AC CE Neutral Disconnect
277/480 V AC

120/208 V AC
240/415 V AC
277/480 V AC

6 module enclosure for up to 12 circuits.

12 module enclosure for up to 24 circuits.

Two 12 module enclosures for up to 48 circuits.
DRd12-48 enclosures are cross-bussed using
the AX12X series main lug or main breaker
enclosure.

Introduction 1

Warnings and Notice Conventions

These symbols are used throughout this installation manual to alert you to danger or
important information:

Note:

CAUTION:

Notes are helpful hints or information that is supplemental to the main text.

A Caution statement indicates situations where there may be undefined or
unwanted consequences of an action, potential for data loss, or an equipment
problem.

WARNING:

A Warning statement indicates situations where damage may occur, people
may be harmed, or there are serious or dangerous consequences of an
action.

WARNING:

RISK OF ELECTRIC SHOCK! This warning statement indicates situations
where there is a risk of death by electric shock.

Contacting ETC

For questions about Unison system delivery, contact ETC Systems Group. For general
information, your most convenient resources are the references provided in this manual. To
search more widely try the ETC web site at www.etcconnect.com.

For technical questions about Unison systems, contact ETC Technical Services directly at
one of the offices listed below. Emergency service is available from all ETC offices outside
of normal business hours. When calling for assistance, please have the following
information handy:

• Your location and job name.

• A complete list of ETC equipment.

• A complete list of other installed products and components connected to the system
you are troubleshooting.

• DMX control source, if any.

Americas

ETC International
Technical Services Department
3031 Pleasant View Road
Middleton, WI 53562
800-775-4382 (USA, toll-free)
[phone]
[e-mail]

Asia

ETC Asia, Ltd.
Technical Services Department
Room 1801, 18/F, Tower 1, Phase 1
Enterprise Square
9 Sheung Yuet Road
Kowloon Bay, Kowloon, Hong Kong
[phone]
[e-mail]

United Kingdom

Electronic Theatre Controls, Ltd.
Technical Services Department
26 - 28 Victoria Industrial Estate
Victoria Road,
London W3 6UU, UK
[phone]
[e-mail]

Germany

Electronic Theatre Controls, GmbH
Technical Services Department
Ohmstrasse 3
93607, Holzkirchen, Germany
[phone]
[e-mail]

Please email comments about this manual to: [e-mail]

2 DRd Enclosure Installation Manual

Overview

DRd6

DRd12

Unison DRd enclosures are available in 6 or 12 module enclosures and are available for an
input voltage range of 85-300 V AC, 47-63 Hz. Enclosures are pre-wired and supplied with
three phase, 4 wire and ground, main lugs which are easily converted for split phase, 3 wire
and ground, operation without the need for additional materials.

Note:

DRd enclosures are available in 12, 24 and 48 circuit configurations.

In 48-circuit configurations, two DRd12-24 enclosures are cross-bussed to an
AX12X series main lug or main circuit breaker auxiliary enclosure. A single
Architectural Control Processor (Echo, Paradigm, or SmartLink ACP) provides
control for both enclosures.

DRd enclosures are supplied pre-wired for the specified voltage for your installation. All
enclosures operate at specified voltages within a frequency range of 47-63 Hz. Phases
within the enclosure may be bused together provided the maximum supplied current does
not exceed that of a three phase connection.

• 100 / 200 V AC, 47-63 Hz, 1Ø

• 100 / 173 V AC, 47-63 Hz, 3Ø

• 120 / 208 V AC, 47-63 Hz, 3Ø

• 120 / 240 V AC, 47-63 Hz, 1Ø

• 127 / 220 V AC, 47-63 Hz, 3Ø

• 230 / 400 V AC, 47-63 Hz, 3Ø CE with Neutral Disconnect

• 240 / 415 V AC, 47-63 Hz, 3Ø

• 277 / 480 V AC, 47-63 Hz, 3Ø

• Supports universal dimmer modules, fluorescent dimmer modules, constant circuit
breaker modules, relay modules, and reverse phase dimmer modules. Reference

“Modules Specification” , page 57 for a complete list of compatible modules.

• The DRd is controlled from either the Echo
(E-ACP), SmartLink

Architectural Control Processor (P-ACP).

®

Architectural Control Processor (S-ACP) or the Paradigm™

®

Architectural Control Processor

Introduction 3

• The use of a station power module provides power and control for architectural control
stations.

• Use an Echo Station Power Module (E-SPM) to provide power for up to 16 Echo

control stations when used with the Echo ACP.

• Use a SmartLink Station Power Module (S-SPM) to provide power for up to 16

SmartLink control stations when used with the SmartLink ACP.

• Use a Paradigm Station Power Module (P-SPM) to provide power for up to 32

Paradigm control stations when used with the Paradigm ACP.

• The 0-10V control option (DRd-FLO) provides up to 24 outputs for control of 0-10V
(4-wire) LED drivers or fluorescent ballasts (up to 12 on a DRd6).

• The Digital Addressable Lighting Interface (DALI) option controls up to 24 loops of 64
DALI compatible ballasts or drivers in a broadcast mode (up to 12 on a DRd6).

• The Unison BatteryPack option provides power back-up to the Architectural Control
Processor in the DRd for a period up to 90 minutes.

• The Unison RideThru option provides power to the Architectural Control Processor in
the DRd for at least 10 seconds during brief power outages or drop outs.

• All empty module spaces in a DRd enclosure must be filled with airflow module or blank
modules (DRd-BM) for proper cooling.

• The DRd pedestal (DRd-PED) is a floor mounting stand for the DRd enclosure.

4 DRd Enclosure Installation Manual

Chapter 1

Prepare for Installation

Unpack and Inspect

Before you begin installation, check your shipment and confirm it arrived complete and
undamaged.

Step 1: Check the shipping container for physical damage.

Step 2: If you find damage, document it to help with a claim against your shipper.

Step 3: Unpack your order and check the contents against the packing list to be sure

your order is complete.

Step 4: If you discover a problem, call the ETC Systems Group the closest office of

purchase. See “Contacting ETC” on page 2.

Main Circuit Breaker Protection

Before you begin installing the DRd enclosure, make sure you have installed a main circuit
breaker cabinet or other readily accessible input power disconnect device. In certain
bussed and cross-bussed systems, this disconnect device may be the Unison AX series
auxiliary enclosure with a main circuit breaker.

WARNING:

DRd enclosures installed without an accessible power disconnect device
cannot be serviced or operated safely. Follow all local codes and
restrictions.

Before removing dimmer or control modules for service, de-energize main
feed to DRd and follow appropriate Lockout/Tagout procedures as
described in NFPA Standard 70E. It is important to note that electrical
equipment such as dimmer enclosures can present an arc flash safety
hazard if improperly serviced. This is due to available large short circuit
currents on the feeders of the equipment. Any work on energized equipment
must comply with OSHA Electrical Safe Working Practices.

Using 90° Copper Wire

To comply with UL requirements:

Use Copper Conductors Only, the torque rating for each Non-Class 2 field-wire
connector, and “Use 90°C conductors at the 75°C Ampacities”, where readily visible in
the field wiring compartment; Class 2 adjacent to each Class 2, field-wiring connector.

Use only 90°C-rated copper wiring installed in accordance with all applicable local electrical
codes.

CAUTION:

A two-wire circuit with separate hot and neutral conductors is required for every
branch circuit that will be connected to the DRd enclosure. Shared neutral (multi­wire) branch circuit arrangements are not recommended for phase control
dimming systems due to harmonics and potentially elevated neutral currents in a
shared neutral arrangement.

For retrofit installations where shared neutral circuits are already installed, or
enclosure lighting installations where the enclosure has a shared neutral, consult
ETC Technical Services for installation guidelines.

1 Prepare for Installation 5

Maximum Current Draw

Type Phase Type

DRd6

AX6

DRd12

AX12

AX12X

Note:

Single Phase (1Ø) 120A 150A

Three Phase (3Ø) 80A 100A

Single Phase (1Ø)

Three Phase (3Ø)

Single Phase (1Ø) 240A 300A

Three Phase (3Ø) 160A 200A

Single Phase (1Ø)

Three Phase (3Ø)

Single Phase (1Ø)

Three Phase (3Ø)

1

Connected to DRd enclosure with a full complement of 20A modules.

2

Connected to two DRd enclosures with a full complement of 20A modules.

3

Installed in a main circuit breaker model auxiliary enclosure.

4

Wire bending space limits the feed to the AX12X-MCB to 400A maximum. ETC
installs a 100% rated two pole breaker (or two poles from a three pole breaker) in
the AX12X-MCB, for a total deliverable current of 400A in a single phase (split
phase) configuration.

Maximum
Current Draw

1

120A

1

80A

1

240A

1

160A

2

480A

2

320A

Suggested
Breaker
Rating

3

150A

3

100A

3

300A

3

200A

4

400A

3

400A

Short Circuit Current Rating (SCCR)

SCCR at

Configuration

100-120v

Ac

DRd6 22,000A 22,000A

DRd6 with AX6 (MCB) 100,000A 65,000A

DRd12 22,000A 22,000A

DRd12 with AX12 Main Lug 22,000A 22,000A

DRd12 with AX12X (cross-bussed) Main Lug 22,000A 22,000A

DRd12 with AX12 Main Circuit breaker 100,000A 65,000A

DRd12 with AX12X Main Circuit breaker 100,000A 65,000A

SCCR at

240 &

277v Ac

6 DRd Enclosure Installation Manual

Where to Install the Enclosure

Unison DRd enclosures are designed to be surface mounted on load bearing walls in an
electrical closet or a room with restricted public access. When required, an optional
semi-recessed installation kit is also available. It is recommended that you install the
enclosure at least 36” (915mm) above the finished floor to ensure clear view of the control
processor (E-ACP, S-ACP, or P-ACP) for programming and operation. Alternatively, DRd
enclosures may install to a floor standing pedestal (model DRd-Ped).

Clearance Requirements

DRd enclosures require 12” (305mm) top clearance for proper airflow through the cabinet.
For sufficient door clearance, install the enclosure with at least 17” (432mm) of front
clearance and a 6” (152mm) clearance to the left of the door hinge from walls or other
equipment.

152 mm

(6”)

432 mm

(17”)

305 mm

(12”)

914.4 mm
(36”)

Note:

Additional Unison dimming and auxiliary enclosures of the same size are the
exception to the 6” (152mm) hinge side clearance rule. Unison enclosures are
designed for side by side installation.

Dimensions and Weights

Type

DRd6 21.8 553 17 431 10 254 37.8 17.2 42 19.0

DRd12 31 787 17 431 10 254 51 23.1 55 25

Note:

Height Width Depth

inches mm inches mm inches mm lbs kgs lbs kgs

For module weight please reference “Modules Specification,” page 57.

Product

Weight

Shipping

Weight

1 Prepare for Installation 7

Installation Environment Requirements

0°

10°

20°

30°

40°

50°

60°

70°

80°

90°

100°

-18°

-10°

0°

10°

20°

30°

40°

• For your own safety, install a main circuit breaker cabinet or other readily accessible
power disconnect in the same area as the DRd enclosure. For cross-bussed
installations, this device may be the auxiliary enclosure. Main breakers not in the same
room must have a physical means to be locked off. ETC recommends adopting lockout
/ tagout procedures for your facility and following appropriate Lockout/Tagout
procedures as described in NFPA Standard 70E.

• A clean (not dusty) temperature-controlled environment with an ambient temperature
of 32-104°F / 0-40°C and ambient humidity of 10-90%, non-condensing.

CAUTION:

HVAC systems must at all times maintain the specified ambient temperature at the
enclosure. Dimming systems operating within 10°F (5°C) of the upper or lower
temperature limits must strictly follow installation and operation guidelines to
operate reliably.

• Restricted public access to prevent tampering.

• Soundproofing or performance area separation to muffle ventilation fan noise is
recommended.

• All CE equipment is tested to EMC category B environment.

Wire Routing and Specification

When planning wire entry into the enclosure, notice that conduit knockouts are provided
only on the sides of the unit. These knockouts are primarily used for bussing to an auxiliary
enclosure but may also be used for load or control wiring. Signal and power wiring must be
run in separate conduit per local code.

Due to the bend radii of certain size line feed wires and the location of terminations, special
attention is required for line feed wire entry. Reference the wiring guidelines below for
recommendations.

CAUTION:

Do not route line (input feed) wires through the back panel. Doing so requires bend
radii that violate NEC code, UL standards and because of undue stress at the wire
joint is likely to create a poor connection.

Line and load wire used with Unison DRd enclosures must be copper. Load wires
may either be stranded (preferred) or solid core. The use of aluminum wire is not
allowed in DRd enclosures.

Aluminum feed wires are supported only in the auxiliary (AX Series) enclosures.

Wire Size

Wire Access

Location

DRd12 Feed

(max)

350 Kcmil

185mm

Top

Bottom

Left side

Right side

8 DRd Enclosure Installation Manual

acceptable acceptable acceptable acceptable

acceptable acceptable acceptable preferred

Do Not Use Do Not Use acceptable acceptable

Do Not Use Do Not Use acceptable acceptable

2

DRd6 Feed

(max)

2/0-3

2

70mm

Load Wires

12 - 6AWG

2.5 - 16mm

2

Control

Wires

Note:

To a ddi t i ona l

DRd rack

enclosures

EchoConnect

& DMX

power

feed

power

feed

power

feed

To l o ad c i rc u i ts

DMX input
to DRd rack

ETC Console

(for optional stage lighting)

EchoConnect

Preset 4

Unison DRd12
rack enclosure

Echo

Relay Panel

Unison DRd12
rack enclosure

Echo Inspire Stations

Element
console

Split phase applications require a simple field adjustment to the phase bussing.

See “Modify Phase Bus for 120V AC Split Phase Operation” on page 19.

Wire Size

Wire Access

Location

Top

Bottom

Left side

Right side

Wire Access

Location

Top

Bottom

Left side

Right side

Feed (max)

350 Kcmil

185mm

2

acceptable acceptable acceptable acceptable

acceptable acceptable acceptable preferred

Do Not Use Do Not Use acceptable acceptable

Do Not Use Do Not Use acceptable acceptable

DRd12 Feed

(max) 250 Kcmil

120mm

2

acceptable acceptable acceptable acceptable

acceptable acceptable acceptable preferred

Do Not Use Do Not Use acceptable acceptable

Do Not Use Do Not Use acceptable acceptable

Control Specifications

The riser below is typical of a small Unison system utilizing Echo Architectural Control
Processors (E-ACP) for control and Unison Echo
activation. DMX input to the DRd enclosures provide an additional level of system control
and integrates the architectural and theatrical lighting control systems.

DRd6 Feed

(max)

250 KCmil

120mm

2

Wire Size

DRd6 Feed

(max)

2/0-3

2

70mm

Load Wires

12 - 6AWG

2.5 - 16mm

Control Wires

2

Load Wires

12 - 6AWG

2.5 - 16mm

®

Inspire™ control stations for control

Control Wires

2

1 Prepare for Installation 9

Note:

DRd enclosures are shipped with the lugs installed in a top feed orientation by
default. You can change the lug orientation to a bottom feed if required.

The riser below is typical of a Unison system utilizing Paradigm Architectural Control
Processors (P-ACP) for control and Unison control stations for control activation. Paradigm
systems provide a DMX input into the system for larger system integration and control. A
Paradigm system also utilizes Net3 networking for an additional level of system-wide
control.

Preset 1

Preset 6

To a ddi t i ona l

DRd rack

enclosures

DMX

thru

Unison DRd12
rack enclosure

power

feed

To l o ad c i rc u i ts

Unison DRd12
rack enclosure

power

feed

Unison DRd12
rack enclosure

power

feed

Unison

LinkConnect

LinkConnect

Aux Power 24 vdc

DMX input
to DRd rack

Preset 1

Preset 2

Preset 3

Preset 4

Preset 5

Preset 1

Preset 2

Preset 3

Preset 4

Preset 5

Gio
console

ETC Console

(for optional stage lighting)

Sequence

Macro Record

Heritage stations

Sequence

Macro Record

Preset 1

Preset 2

Preset 7

Preset 2

Preset 8

Preset 3

Preset 3

Preset 9

Preset 4

Preset 4

Preset 5

Preset 10

Preset 5

Preset 1

Preset 6

Preset 1

Preset 2

Preset 7

Preset 2

Preset 8

Preset 3

Preset 3

Preset 9

Preset 4

Preset 4

Preset 5

Preset 10

Preset 5

Paradigm Touchscreen

station

Note:

DRd enclosures are shipped with the lugs installed in a top feed orientation by
default. You may change the lug orientation to a bottom feed if required.

Control Wire Specification

The following tables lists the recommended control wire types used in a DRd installation
and the maximum length (aggregate) of wire runs allowed for each type.

Purpose

Total length of control wire
(without repeater module)

Maximum wire length
(station to station)

Maximum repeater distance
(P-SPM only)

Purpose

Total length of control wire
(without repeater module)

Maximum wire length
(station to station)

LinkConnect (P-SPM and S-SPM)

Aux 24 vDC

(Belden 8471)

(P-SPM only)

(2) #16 AWG

EchoConnect

(E-SPM)

Belden 8471 or

Belden 1583a

Feet Meter Feet Meter Feet Meter

1640 500 1500 457 1640 500

1312 400 1312 400 1640 500

1640 500 1500 457 N/A N/A

DMX (Belden 9729) Category 5 /Belden 1583a

Feet Meter Feet Meter

1600 487 328 100

1600 487 N/A N/A

10 DRd Enclosure Installation Manual

Data Types and Topologies

LinkConnect and EchoConnect Control Wiring

Control stations communicate with the control processor using the LinkConnect or
EchoConnect station communication bus.

Termination is available for up to six home runs of LinkConnect / EchoConnect data runs
utilizing Belden 8471 cable (or approved equal) plus one 14 AWG (2.5mm2) ESD drain
wire. This wiring is topology-free and can be installed in any combination of bus, star, loop,
and home run. The total combined length of all wire runs cannot exceed 1,640 feet (500m).

CAUTION:

Note:

Auxiliary 24 vDC

Auxiliary power is required when you are installing certain Unison control stations. ETC
recommends using two 16 AWG stranded wires for 24 vDC auxiliary power to the control
station(s). Auxiliary power is topology-free.

DMX (Digital Multiplex)

DMX can address up to 512 channels of control. DMX is installed in a daisy chain topology
and includes one pair of wires (data +, data -) plus an ISO ground. ETC recommends the
use of Belden 9729 (or approved equal) wire with a single end of line termination (90­150). For best DMX performance, twist the wires together as close to the pluggable
connector as possible.

Note:

While the wiring terminations for LinkConnect, used in SmartLink and Paradigm
systems, and EchoConnect used in Echo systems, are similar, the communication
and control types are not interchangeable. Each product family requires a
dedicated station infrastructure that cannot be shared.

It is required that you terminate LinkConnect / EchoConnect station wiring and the
auxiliary power wiring in the same enclosure the station power module and
architectural control processor will be installed.

It is required that you terminate DMX control wiring in the same enclosure (rack 1)
where the architectural control processor will be installed.

1 Prepare for Installation 11

Chapter 2

Install Enclosures

This chapter contains instructions for installation of the DRd enclosure.

This chapter contains the following sections:

• Mounting Individual DRd Enclosures . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

• Mounting a DRd Enclosure on a Pedestal. . . . . . . . . . . . . . . . . . . . . . . . 14

• Mounting Auxiliary and DRd Enclosures Together . . . . . . . . . . . . . . . . 15

12 DRd Enclosure Installation Manual

Mounting Individual DRd Enclosures

432 mm

17”

451 mm

17.75”

194mm

7.64”

113mm

4.45”

160mm

6.3”

DRd12 rear panel

DRd6 rear panel

Unison DRd enclosures are designed to be surface mounted on load bearing walls in an
electrical closet or a room with restricted public access. Alternatively the DRd enclosure
may be mounted on a pedestal (DRd-Ped). It is recommended that enclosures installed on
the pedestal floor stand also be secured to the wall for greater stability.

Mounting Individual Enclosures on a Wall

The wall must be strong enough to hold the enclosure fully populated with modules, conduit
and wire. See “Dimensions and Weights,” on page 7 and

“Modules Specification,” page 57.

Step 1: Determine where your enclosure will be installed using the weight and dimension

requirements detailed in “Where to Install the Enclosure,” page 7.

Step 2: Use the measured slot dimensions located in the graphic below to mark the hole

locations for the mounting hardware.

Step 3: Drill the holes and install the mounting hardware for each enclosure.

Step 4: Attach the enclosure to the wall.

Step 5: Check that the enclosure is level and plumb and tighten the mounting hardware.

432 mm

17”

184mm

7.25

194mm

7.64”

160mm

6.3”

113mm

4.45”

• Four 3/8” (M8-M10) bolts or screws 2-4” (50-100mm) long, and suitable
wall plugs are suggested mounting hardware (lag bolts recommended).

• Both the surface and the mounting hardware must support the weight of
the enclosure unit fully populated with modules.

• Expose at least 1” (25mm) of threads for mounting the enclosure.

2 Install Enclosures 13

Mounting a DRd Enclosure on a Pedestal

The Unison DRd pedestal is designed with the same footprint as the DRd enclosure.
The acceptable conduit access in the bottom of the DRd overlaps the floor stand access
panel for contractor wiring and installation convenience. It is recommended to secure a
DRd enclosure installed on a pedestal to a wall for greater stability.

432mm

17”

186.7mm

7.35”

35.5mm

1.4”

35.5mm

1.4”

Step 1: Use the measured

dimensions in the
graphic (right) to mark
the hole locations for the
floor mounting hardware.

Step 2: Drill holes for floor

mounting hardware.

Step 3: Remove the eight screws and washers that secure the front panel to the unit.

Step 4: Position the floor stand on floor hardware previously placed for marking the

holes.

Step 5: Secure the pedestal base to the floor.

Step 6: Create conduit access in the bottom of the DRd enclosure. Notice the label inside

the bottom of the enclosure indicating the recommended locations for conduit
access. Do not create conduit access outside of the recommended locations.

Step 7: Position the DRd on the floor stand pedestal and align with the mounting holes

Step 8: Bolt the enclosure into place.

Step 9: Reinstall the front panel to the pedestal unit, replacing all hardware removed in

14 DRd Enclosure Installation Manual

provided.

step 3.

Mounting Auxiliary and DRd Enclosures Together

432mm

17”

451mm

17.75”

194mm

7.64”

113mm

4.45”

160mm

6.3”

432mm

17”

62mm

2.44”

787mm

31”

406mm

16”

406mm

16”

330mm

13”

559mm

22”

559mm

22”

DRd12-48 rear panel view

Unison DRd and AX auxiliary enclosures are designed to be surface mounted on load
bearing walls in an electrical closet or a room with restricted public access. One DRd
enclosure may be bussed to the AX series auxiliary enclosure, which may contain a main
circuit breaker or a main lug for power distribution to the adjacent DRd12 enclosure. Two
DRd12 enclosures may be cross-bussed to an AX12X auxiliary enclosure which is
designed to provide main lug or main breaker input feed termination to the adjacent DRd12
enclosures.

The wall must be strong enough to hold all enclosures fully populated with modules, conduit
and wire. Reference “Where to Install the Enclosure,” page 7 for weight, dimension and
clearance requirements.

Step 1: Determine where the enclosures will be installed using the weight and dimension

requirements detailed in “Where to Install the Enclosure,” page 7.

Step 2: Use the measured slot dimensions located in the graphics below to mark the hole

locations for the mounting hardware.

Step 3: Drill the holes and install the mounting hardware for each enclosure.

• Four 3/8” (M8-M10) bolts or screws 2-4” (50-100mm) long, and suitable
wall plugs are suggested mounting hardware per enclosure (lag bolts
recommended).

• Both the surface and the mounting hardware must support the weight of

Step 4: Remove the conduit knockouts from the mating side conduit plugs on the DRd

the enclosures fully populated with modules.

• Expose at least 1” (25mm) of threads for mounting the enclosure.

and auxiliary enclosures before installation. Only remove the knockouts that are
adjacent to another enclosure.

Step 5: Install one DRd enclosure first (follow instructions as outlined in “Mounting

Individual Enclosures on a Wall,” on page 13. Remember to install the DRd

enclosure to either side of the auxiliary enclosure in cross-bussed applications.

Step 6: Align the auxiliary enclosure against the DRd enclosure and mount it to the

previously installed hardware. Keyholes in the DRd and auxiliary enclosures are
aligned with each other for mounting to Unistrut or Kindorf. With conduit holes
mated, the bolt spacings are on 16” (406mm) centers (top left DRd and top left

2 Install Enclosures 15

Ax) for installation convenience.

Step 7: Install the ETC supplied 2 1/2” (64mm) nylon insulated chase nipple and 2 1/2”

(64mm) locknut between the auxiliary and DRd enclosures.

Step 8: For cross-bussed DRd12-24 installations, install the second DRd12-24 by

following steps 4 through 7 above.

Step 9: Check that each enclosure is level and plumb then tighten the mounting

hardware for a secure installation.

Note:

Reference the related Auxiliary Enclosure Installation Manual to complete the
auxiliary enclosure installation and for DRd12-24 and DRd 12-48 enclosure input
power bus wiring termination.

Follow the instructions in this manual for all other DRd enclosure installation
procedures.

16 DRd Enclosure Installation Manual

Chapter 3

Rough-in Conduit and Wiring

This chapter contains instructions for conduit and wiring installation of the DRd enclosure.

This chapter contains the following sections:

• 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

3 Rough-in Conduit and Wiring 17

Prepare the DRd Enclosure

Step 1

Step 4.a

Step 4.b

Step 4.c

The enclosure door
has been removed
from this graphic for
clarity of this
procedure.

All terminations are accessible from the front of the enclosure. Reference “Wire Routing

and Specification”, page 8 for conduit access specifications.

Prior to conduit installation you should remove the power supply access panel for clear
access to the top of the DRd enclosure. Reference “Remove the DRd Power Supply/

Dimming Engine Access Panel” below.

Take the opportunity before roughing in your conduit to change your DRd for split phase
operation (100/120V AC enclosures only) if required. Reference “Modify Phase Bus for

120V AC Split Phase Operation”, page 19.

Remove the DRd Power Supply/Dimming Engine Access Panel

Remove the power supply/dimming engine access panel to allow for better access in the
top of the DRd enclosure while roughing in conduit and cable.

18 DRd Enclosure Installation Manual

Step 1: Loosen the two captive screws that secure the access panel.

Step 2: Gently pull the panel straight down until the top of the access panel is clear of the

enclosure.

Step 3: Tilt the supply access panel away from the enclosure.

Step 4: Disconnect the three cables that are attached to the unit.

a: For the cable bundle on the left side, squeeze the tabs on either side of the

connector and gently pull the cable until it is free from the unit.

b: For the ribbon cable connected on the right rear side, release the tabs on

L1

L2

L3

N

L1

L2

L3

Step 1:

Step 2a:

Step 2b:

The enclosure door
has been removed
from this graphic for
clarity of this
procedure.

either side of the connector by sliding them opposite the connector then
gently pull the cable free. Temporarily secure this cable out of the way while
pulling conductors into the enclosure.

c: For the two-wire cable on the right side, gently pull the connector straight out.

Step 5: Remove the power supply access panel.

a: Align the panel perpendicular to the enclosure.

b: Slide the panel up approximately one inch to align the guide pins on the top

of the guided slots.

c: Then pull the panel straight out.

Note:

Store this access panel in a safe place until you are finished roughing in conduit
and terminations. You will need to reinstall this panel when then enclosure is
installed and all wires have been terminated.

Modify Phase Bus for 120V AC Split Phase Operation

The DRd can be simply field modified from a three phase operation to a split phase (3 wire
plus ground) operation.

3 Rough-in Conduit and Wiring 19

Step 1: Notice the two copper straps (stacked) on phase L2.

Step 2: Change the DRd operation from 3Ø to split phase by moving the copper straps,

strapping the phase bars together, (reference the graphic above to follow along).

a: Move one of the copper straps to connect between phase 1 (L1) and phase

2 (L2). The screws required are installed to the phase bars in the location the
copper strap will be mounted.

b: Remove the red sense wire from phase 2 (L2) and reroute it to the neutral

L1

L2

L3

N

N

L1

L2 L3

L1 L2 L3

L1

L2

L3

N

The enclosure
doors have
been removed
from this
graphic for
clarity of this
procedure.

bar.

c: Move the second copper strap to connect between phase 2 (L2) and phase

3 (L3).

Step 3: For cross-bussed DRd12-48 installations, complete step 2 for both enclosures.

20 DRd Enclosure Installation Manual

Rough-in Conduit to the DRd Enclosure

L1

L2

L3

N

1
2

3
4

5
6

7
8

9
10

11
12

13
14

15
16

17
18

19
20

21
22

23
24

Top Feed DRd Bottom Feed DRd

Line feed wires terminate on the main lugs provided.

The DRd12 enclosure is shipped from the factory with the main lugs in a top feed
orientation. The lugs can be changed to a bottom feed orientation by removing the lug
mounting bolt, rotating the lug 180°, and re-mounting the lug in the opposite lug mounting
PEM. This is true for all DRd12 models.

The DRd6 enclosure phase lugs are both top and bottom feed by default and don’t require
any change, but the neutral and ground lugs will require re-orientation for bottom feed.

1
2

3
4

5
6

L1

L2

L3

7
8

9
10

11
12

13
14

15
16

17
18

19
20

21
22

23
24

When utilizing an auxiliary enclosure with the DRd enclosure, line feed wires from the
auxiliary enclosure enter the DRd enclosure through the top side conduit knockout. For
cross-bussed installations the line feed wires will be fed to the DRd through the conduit
knockout on the adjoining side of the auxiliary enclosure.

Enclosure

Type

Lug Mounting

Bolt Torque

Wire Range

Lug Wire

Tightening

Torque

350kcmil -

185mm

375 in-lbs 200 in-lbs 375 in-lbs 275 in-lbs 50 in-lbs 45 in-lbs

DRd12

120 and 230V AC

DRd12

240 and 277V AC

6 Ft-lbs 8 Nm 11 Ft-lbs 15 Nm 6 Ft-lbs 8 Nm

2

250kcmil -

1 AWG

120mm2 -

2

50mm

2-6 AWG 2/0-3 AWG 4-6 AWG

35mm2 -

2

16mm

1 AWG

50mm

2-6 AWG

2

-

35mm2 -

2

16mm

42.4 Nm 22.6 Nm 42.4 Nm 31 Nm 5.65 Nm 5.1 Nm

N

(all models)

70mm2 -

2

25mm

DRd6

25mm2 -

2

16mm

3 Rough-in Conduit and Wiring 21

Load circuits terminate to the right side the enclosure.

L1

L2

L3

N

1
2

3
4

5
6

7
8

9
10

11
12

13
14

15
16

17
18

19
20

21
22

23
24

Load Hot / Live

Load Neutral

Load Ground /
Earth

The enclosure door
has been removed
from this graphic for
clarity of this
procedure.

Load wires terminate to the load lugs on the
right side of the enclosure.

Load neutral and load ground wires terminate
on the neutral and ground bus bars located on
the back panel of the enclosure. An exception
to this is made for the DRd with CE neutral
disconnect. Neutrals are terminated to the
neutral disconnect on the left side of the
enclosure. See “230V AC Neutral Disconnect

DRd Enclosures” on page 27.

Control wires terminate to the right and left I/O boards in
the DRd enclosure.

Control wires can enter the enclosure from the top, bottom, or
either side, although ETC recommends that you pull control
wires into the enclosure from the bottom since all control

AUX POWER

LON LINK / ECHO BUS

SIGNAL DISTRO

LPS

terminations are located near the bottom.

RIDE THRU/BATT

A+ A- COM

B+ B- COM A+ A- COM

B+ B- COM

COM PANIC

SRC OFF END

CDI

J9
DUAL RACKS

APM

DMXB DMXA

The right I/O board is shipped standard with all DRd
enclosures and includes terminations for:

• 24 vDC Auxiliary Power output connector.

• LinkConnect/EchoConnect connector.

• UL 924 emergency contact input for control bypass.

• Auxiliary enclosure (Dual Enclosure) cross-bussed
interconnection.

• (2) DMX connections and a DMX pass-through
connection.

DMXA

DMX PASS-THRU

7183B4606 REV F © 2013 ETC, INC. MADE IN THE U.S.A.

DMXB

• All option kit connections including DALI, 0-10V, Unison
RideThru option / Unison BatteryPack option.

22 DRd Enclosure Installation Manual

A Left I/O card is available for use with Echo
ACP and is required for use with Paradigm ACP
systems.

Optional Echo Left I/O

The Echo Left I/O board is available as an option
for use with the Echo Architectural Control
Processor and includes Ethernet connection.

Required Paradigm Left I/O

The Paradigm left I/O board is included with the
Paradigm ACP system and include terminations
for:

• Ethernet

• RS232 bi-directional serial

• 4 dry contact inputs

• 4 relay contact outputs

Procedure

Step 1: Plan wire entry to the enclosure. See “Wire Routing and Specification” on page 8.

Step 2: Make the desired conduit access (top, bottom, left or right) from the enclosure.

Read and comply with the label inside the enclosure which details the
recommended access locations for conduit entry.

Note:

Step 3: Punch holes and install conduit fittings or insert lining materials in conduit

Step 4: Be sure there are minimal air gaps. See “Sealing Air Leaks” on page 52.

CAUTION:

Do not run power and control cable in the same conduit.

opening.

Wire openings must have fittings, bushings, grommets or fiche paper lining
material to protect the wire and cable insulation from damage by sharp metal
edges, and to prevent air leaks.

3 Rough-in Conduit and Wiring 23

Chapter 4

Terminate Wiring

This chapter contains the following sections:

• Connect Line Power Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

• Connect Load Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

• Fluorescent Load Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

• Connect Control Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

24 DRd Enclosure Installation Manual

Connect Line Power Wiring

WARNING:

CAUTION:

All terminations must be done with the power off. DRd enclosures installed
without an accessible power disconnect device cannot be serviced or
operated safely. In some instances, this device may be an auxiliary
enclosure with a main circuit breaker. Follow all local codes and
restrictions.

Before servicing, de-energize main feed to DRd and follow appropriate
Lockout/Tagout procedures as described in NFPA Standard 70E. It is
important to note that electrical equipment such as dimmer enclosures can
present an arc flash safety hazard if improperly serviced. This is due to
available large short circuit currents on the feeders of the equipment. Any
work on energized equipment must comply with OSHA Electrical Safe
Working Practices.

Line and load wires used with the Unison DRd must be copper. Do not use
aluminum wire.

Connect Line Feed in an Individual DRd Installation

Line feed cables are terminated on the main phase lugs. It is best to route line (feeder)
cables first, load neutral and ground/earth wires next, load phase and control wires last. In
multiple enclosure installations, load neutral and ground/earth wires must terminate in the
same enclosure as the matching load phase wires.

Note:

For DRd6 and DRd12 main lug, main breaker, and cross-bussed applications,
reference the Unison Auxiliary Series Enclosure Installation Manual.

The bus bars are different for each enclosure type (DRd6 or DRd12) and each voltage (120,
230 or 240-277). Graphics are provided on the following page for reference.

Step 1: Pull the line phase, neutral and ground cables to the enclosure through the

openings (conduit or other fittings) previously prepared.

Step 2: Strip the insulation from the end of each cable and terminate them to the lugs.

Reference the table below for wire stripping lengths.

Model

DRd6 120, 240, 277V AC

DRd6 230V AC

DRd12 240, 277V AC

DRd12 120, 230V AC

• Line and neutral connections are labeled L1, L2, L3 and N. The equipment
grounding/earthing lug is labeled with the universal grounding symbol for
easy identification.

Hex Key Size / Wire Strip Length

Phase

3/16” /

5mm

5/16” /

8mm

5/16” /

8mm

3/8” /

10mm

Strip

Length

5/8” /

16mm

1” / 25mm

1” / 25mm

1” / 25mm

Neutral

3/16” /

5mm

5/16” /

8mm

3/8” /

10mm

3/8” /

10mm

Strip

Length

5/8” /

16mm

1” / 25mm

1” / 25mm

1” / 25mm

Ground/

Earth

3/16” /

5mm

3/16” /

5mm

3/16” /

5mm

3/16” /

5mm

Strip

Length

5/8” /

16mm

5/8” /

16mm

5/8” /

16mm

5/8” /

16mm

4 Terminate Wiring 25

Note:

CE enclosures are supplied with ANSI hex wrenches for line feed terminations.

Step 3: Tighten the lugs to the correct torque based on cable size. Torque ratings are

also labeled in the DRd enclosure for your convenience.

Type

Lug Mounting

Bolt Torque

Wire Range

Lug Wire

Tightening

Torque

CAUTION:

350kcmil -

185mm2 -

375 in-lbs 200 in-lbs 375 in-lbs 275 in-lbs 50 in-lbs 45 in-lbs

DRd12

120 and 230V AC

6 Ft-lbs 8 Nm 11 Ft-lbs 15 Nm 6 Ft-lbs 8 Nm

2

2-6 AWG

35mm2 -

2

16mm

1 AWG

50mm

42.4 Nm 22.6 Nm 42.4 Nm 31 Nm 5.65 Nm 5.1 Nm

Dress wires neatly and avoid leaving extra wire inside the enclosure. Too much
clutter can restrict airflow and cause overtemp errors.

100, 120, 127 V AC, 3Ø DRd Enclosures

1
2

3
4

5
6

L1

L2

L3

7
8

9
10

11
12

13
14

15
16

17
18

19
20

21
22

N

23
24

DRd12

240 and 277V AC

250kcmil -

1 AWG

120mm2 -

50mm

2-6 AWG 2/0-3 AWG 4-6 AWG

35mm2 -

2

16mm

DRd6

(all models)

2

25mm

L1

2

L2

L3

N

70mm2 -

1
2

3
4

5
6

7
8

9

10

11
12

25mm2 -

2

16mm

Note:

For 120V AC single phase installation you must modify the phase bus before
connecting wiring. See “Modify Phase Bus for 120V AC Split Phase Operation” on

page 19.

26 DRd Enclosure Installation Manual

230V AC Neutral Disconnect DRd Enclosures

L1

L2

L3

N

1
2

3
4

5
6

7
8

9
10

11
12

13
14

15
16

17
18

19
20

21
22

23
24

L1

L2

L3

N

1
2

3
4

5
6

7
8

9

10

11
12

L1

L2

L3

N

1
2

3
4

5
6

7
8

9

10

11
12

240, 277V AC DRd Enclosures

1
2

3
4

5

L1

L2

L3

6

7
8

9
10

11
12

13
14

15
16

17
18

19
20

21
22

23
24

N

4 Terminate Wiring 27

Connect Load Wires

Load wire phase

Load wire
ground bus

Load wire
neutral bus

120, 240, and 277V AC DRd
enclosures share similar load
lugs.

L1

L2

L3

N

1
2

3
4

5
6

7
8

9
10

11
12

13
14

15
16

17
18

19
20

21
22

23
24

Load wire phase

Load wire
ground bus

Load wire
neutral bus

230V AC DRd enclosures have a
neutral disconnect bus structure.
This design places neutral lugs
on the same side of the enclosure
as the main feeds. Neutral output
lugs are numbered on the filter
PCB. It is important to wire hot
and neutral from each load to the
corresponding numbered
outputs.

Load wires are terminated to the load lugs on the right side of the enclosure. In 120V AC
and 240/277V AC DRd enclosures, load neutral and load ground wires are terminated to
the terminal strips on the back panel. In 230V AC enclosure types, load neutrals are
connected to the left side of the enclosure, stacked on top of the input feeds to maintain a
true neutral disconnect.

Phase balancing of the loads is set from within the Architectural Control Processor “Dimmer
Setup” menu. Reference the related Architectural Control Processor configuration manual
for details.

1
2

3
4

5
6

L1

L3

7
8

9
10

11
12

13

L2

14

15
16

17
18

19
20

21
22

N

23
24

WARNING:

Use of emergency modules (ED15AFE or ER15AFE) in CE 230V DRd
enclosures require the neutral (N) lug in place of the neutral jumper per
module.

CAUTION:

A two-wire circuit with separate hot/live and neutral conductors is required for
every branch circuit that will be connected to the DRd. Shared neutral (multi wire)
branch circuit arrangements are not recommended for phase-control dimming
systems due to harmonics and potentially elevated neutral currents in a shared

28 DRd Enclosure Installation Manual

neutral arrangement.

For retrofit installations where shared neutral circuits are already installed, or
enclosure lighting installations where the enclosure has a shared neutral, consult
ETC Technical Services for installation guidelines.

Note:

a: Insert the wire on the back side of the lugs.
b: Torque the lug screw to the recommended

value indicated in the table below.

Plan load wiring appropriately to avoid splicing wiring. Only one load wire per load
terminal.

Step 1: Route the load wires to the DRd enclosure(s) through the conduit previously

installed.

Step 2: Prepare the load wires for termination:

a: Label each wire in the set with circuit designation.

b: Separate load circuit wires into ground, neutral and hot/live wire bundles.

CAUTION:

Step 3: Strip 5/8” (16mm) of insulation from the end of each load wire.

Step 4: Route each load hot/live wire to its individual load output connection.

Connection

15 - 20 amp

Ground bus

Neutral bus

(excluding

Dress and terminate wires neatly and avoid leaving extra wire inside the
enclosure. Too much clutter (especially along the right side of the enclosure) can
restrict air circulation and reduce cooling efficiency. If cabling interferes with
airflow during operation, the DRd may be forced to shut down due to overheating.

Load wires should not cross between DRd enclosures. Instead, they should enter
the enclosure in which they will be terminated. Hot/Live and neutral load wiring
must follow the same conduit/path for each circuit.

load lugs

230V AC)

Cable Size Torque

AWG

14 - 10 2.5 - 6 35 2.9 4.0

6 - 4 16 45 3.8 5.1

14 - 8 2.5 - 6 75 6.3 8.5

6 - 4 16 110 9.2 12.4

14 - 8 2.5 - 6 75 6.3 8.5

6 - 4 16 110 9.2 12.4

mm

2

lbf-in lbf-ft N - m

Wire Strip

Length

5/8” - 16mm8 10 40 3.3 4.5

5/16” - 8mm

5/16” - 8mm

Neutral

Disconnect

(230V AC only)

4 Terminate Wiring 29

14 - 10 2.5 - 6 35 2.9 4.0

5/8” - 16mm8 10 40 3.3 4.5

6 - 4 16 45 3.8 5.1

Step 5: Strip the neutral wire to the length indicated in the table above and terminate to

the neutral terminal assembly. Torque to the recommended value also indicated
in the table above. For 230V AC DRd enclosures, the neutral bus is located on
the line input feed side of the enclosure.

Step 6: Strip the ground/earth wires to the length indicated in the table above and

terminate to the ground bus terminal. Torque to the recommended value also
indicated in the table above.

Note:

Ground connections must use all metal nuts and lock washers.

30 DRd Enclosure Installation Manual

Fluorescent Load Wiring

a: Insert the wire on the back side of the lugs.
b: Torque the lug screw to the recommended

value indicated in the table below.

Note:

When using D20FB modules, connected to dimmable fluorescent 2-wire ballasts
with integral battery backup, use the same terminations as listed in the 3-wire
Fluorescent instructions.

3-wire Fluorescent

To control 3-wire fluorescent ballasts, the power circuit in the enclosure must be configured
as a fluorescent module type (D15F, D20F, AD15F, AD20F,HD25F), which is a single
density module, with a 2/3 wire fluorescent dimmer mode assignment. Reference the
related Architectural Control Processor Configuration Manual for instructions on changing
the dimmer mode.

Note:

Step 1: Pull the three wire fluorescent ballast wiring into the DRd enclosure per the wire

Step 2: Strip 5/8” (16mm) of insulation from the end of each load wire.

Step 3: Terminate the black switched hot/live wire to the top terminal in its assigned

Even though two lugs are used, the configuration (as found in the Dimmer Setup
menu of the ACP) refers only to the top (odd) number lug.

entry plan.

dimmer lug pair. Insert the wire between the back of the lug and the pressure
plate as shown.

Cable Size Torque

Connection

AWG

14 - 10 2.5 - 6 35 2.9 4.0

mm

2

lbf-in lbf-ft N - m

15 - 20 amp

load lugs

6 - 4 16 45 3.8 5.1

Ground bus

Neutral bus

(excluding

230V AC)

Neutral

14 - 8 2.5 -6 75 6.3 8.5

6 - 4 10 110 9.2 12.4

14 - 8 2.5 -6 75 6.3 8.5

6 - 4 10 110 9.2 12.4

14 - 10 2.5 - 6 35 2.9 4.0

Disconnect

(230V AC only)

Step 4: Terminate the dimmed hot/live wire to the bottom terminal in its assigned dimmer

lug pair. Insert the wire between the back of the lug and the pressure plate as

4 Terminate Wiring 31

6 - 4 16 45 3.8 5.1

Wire Strip

Length

5/8” - 16mm8 10 40 3.3 4.5

5/16” - 8mm

5/16” - 8mm

5/8” - 16mm8 10 40 3.3 4.5

shown in the graphic above. Torque the wire to the recommended value in the
torque table above.

Step 5: Strip the neutral wire to the length indicated in the table above and terminate to

the neutral terminal assembly. Torque to the recommended value also indicated
in the table above.

Step 6: Strip the ground/earth wires to the length indicated in the table above and

terminate to the ground bus terminal. Torque to the recommended value also
indicated in the table above.

Note:

Ground connections must use all metal nuts and lock washers.

2-wire Fluorescent

To control 2-wire fluorescent ballasts, the power circuit in the enclosure must be configured
as a standard module type (D15, D20, AD15, AD20, ED15, ED25, HD15, HD25) with a 2/
3 wire fluorescent dimmer mode assignment. Reference the related Architectural Control
Processor Configuration Guide for instruction to change dimmer mode.

Step 1: Pull fluorescent ballast power wiring into the DRd enclosure per the wire entry

plan.

Step 2: Strip 5/8” (16mm) of insulation from the end of each load wire.

Step 3: Terminate the load wire (typically black) to the assigned dimmer lug by inserting

wire between the back of the lug and the pressure plate.
a: Insert the wire on the back side of the lugs.
b: Torque the lug screw to the recommended value indicated in the table below.

Connection

15 - 20 amp

load lugs

Ground bus

Neutral bus

(excluding

230V AC)

Cable Size Torque

AWG

14 - 10 2.5 - 6 35 2.9 4.0

6 - 4 16 45 3.8 5.1

14 - 8 2.5 -6 75 6.3 8.5

6 - 4 10 110 9.2 12.4

14 - 8 2.5 -6 75 6.3 8.5

6 - 4 10 110 9.2 12.4

mm

2

lbf-in lbf-ft N - m

Wire Strip

Length

5/8” - 16mm8 10 40 3.3 4.5

5/16” - 8mm

5/16” - 8mm

Neutral

Disconnect

(230V AC only)

Step 4: Strip the neutral wire to the length indicated in the table above and terminate to

the neutral terminal assembly. Torque to the recommended value also indicated
in the table above.

Step 5: Strip the ground/earth wires to the length indicated in the table above and

terminate to the ground bus terminal. Torque to the recommended value also
indicated in the table above.

Note:

32 DRd Enclosure Installation Manual

Ground connections must use all metal nuts and lock washers.

14 - 10 2.5 - 6 35 2.9 4.0

5/8” - 16mm8 10 40 3.3 4.5

6 - 4 16 45 3.8 5.1

Connect Control Wiring

1
2

3
4

5
6

7
8

9

10

11
12

13
14

15
16

17
18

19
20

21
22

23
24

3

Right I/O board ­ships standard with
each DRd enclosure.

Left I/O board is
available as part of the
Paradigm Termination
Kit which ships with
the Paradigm ACP.

An optional Left I/O kit
is available for use
with Echo ACP when
DRd is being used in a
networked system.

The enclosure door has
been removed from these
graphics for clarity of the
procedure.

Note:

Overview

All low voltage data and option wiring connects to pluggable connectors on the left and right
I/O boards near the bottom of the DRd enclosure.

The DRd ships with a right side I/O board for low voltage control connections. Left side I/O
board is available in the optional Paradigm and Echo Termination Kits.

• The Paradigm Left I/O Kit supports contact inputs and outputs, serial RS232 and

• The Echo Network Kit supports an Ethernet connection for the Echo ACP. The Echo

All low voltage control cables must run in separate conduit from power wires.

Ethernet control. This Left I/O board is not compatible with the SmartLink or Echo
Architectural Control Processors.

Network Kit is not compatible with the SmartLink or Paradigm ACPs.

4 Terminate Wiring 33

Note:

• The right side I/O board is shipped installed with each DRd and provides termination
for SmartLink / LinkConnect / EchoConnect, auxiliary power, DMX, and a UL 924
emergency contact input. The DRd enclosure supports option kits which install in the
bottom of the DRd for extended control and operation and terminate to the right I/O
board. Option modules include:

• 0-10V Control Option (DRd-FLO) which provides 24 outputs for control of 0-10V

(4-wire) control for LED drivers and fluorescent ballasts. Each channel output is
linked one-to-one with a circuit for power control.

• Digital Addressable Lighting Interface (DRd-DALI) which provides 24 outputs for

control of DALI-compatible fluorescent ballasts. Each channel output of DALI
control is linked one-to-one with a circuit for power control (DALI Broadcast Mode).

A DRd enclosure supports the use of either a DALI option board (DRd-DALI) or
the FLO option board (DRd-FLO), but not both.

• Unison RideThru kit provides power to the ACP during brief power outages or drop

outs. The URTO sustains power to the ACP for at least 12 seconds.

• Unison BatteryPack kit sustains power to the ACP for up to 90 minutes during

power outages.

.

Note:

A DRd enclosure supports the use of either the Unison RideThru option or the
Unison BatteryPack option, but not both.

DRd Right I/O Data Terminations

7183B4606 REV F © 2013 ETC, INC. MADE IN THE U.S.A.

DMXB

WARNING:

B+ B- COM

DMX PASS-THRU

DMXB DMXA

DMXA

B+ B- COM A+ A- COM

SRC OFF END

APM

RIDE THRU/BATT

A+ A- COM

J9

DUAL RACKS

CDI

LON LINK / ECHO BUS

COM PANIC

LPS

RISK OF DEATH BY ELECTRIC SHOCK! Failure to disconnect all power to
the enclosure before working inside the DRd could result in serious injury
or death.

De-energize main feed to DRd enclosure and follow appropriate Lockout/
Tagout procedures as described in NFPA Standard 70E. It is important to
note that electrical equipment such as dimmer enclosures can present an
arc flash safety hazard if improperly serviced. This is due to available large
short circuit currents on the feeders of the equipment. Any work on
energized equipment must comply with OSHA Electrical Safe Working
Practices.

AUX POWER

SIGNAL DISTRO

Note:

Auxiliary Power

The auxiliary power connector (labeled Aux Power) provides termination for up to 16 wires
in the eight position pluggable connector. Each terminal allows up to two 16 AWG (1.5mm
wires and provides 24vDC power to control stations when used with the Paradigm Station
Power Module. Auxiliary power is not compatible with the Echo or SmartLink Station Power
Module.

Note:

Step 1: Pull control auxiliary power wiring (typically 16 AWG (1.5mm

Step 2: Strip 3/16” (5mm) of insulation from the ends of each wire pair.

Step 3: Remove the auxiliary power connector from the right I/O board.

Step 4: Loosen the terminal screws for as many auxiliary wire pairs as you are

Step 5: Insert the black auxiliary power wire from the pair into a “-” terminal on the

Step 6: Insert the red auxiliary power wire from the pair into a “+” terminal on the

Step 7: Repeat steps 5 and 6 for each auxiliary power wire pair.

Step 8: Replace the connector on the right I/O board.

All low voltage control cables must run in separate conduit from power wires.

2

It is required that you terminate LinkConnect / EchoConnect station wiring and the
auxiliary power wiring in the same enclosure (rack 1) where the station power
module and architectural control processor will be installed.

2

) red / black wire

pair) into the enclosure through the conduit opening previously prepared.

terminating.

connector and tighten the screw to secure the wire into the connector.

connector and tighten the screw to secure the wire into the connector.

)

34 DRd Enclosure Installation Manual

LinkConnect and EchoConnect Control Wiring

Control stations communicate with the Architectural Control Processor using the
LinkConnect or EchoConnect station communication bus from the Architectural Control
Processor to the stations.

Note:

Note:

Termination is available for up to six home runs of LinkConnect / EchoConnect data runs
utilizing Belden 8471 cable (or approved equal) plus one 14 AWG (2.5mm

2

) ESD drain
wire. This wiring is topology-free and can be installed in any combination of bus, star, loop,
and home run. The total combined length of all wire runs cannot exceed 1,640 feet (500m).

While the wiring for LinkConnect in SmartLink and Paradigm and EchoConnect for
Echo systems are similar, the communication and control types are not
interchangeable. Each product family requires a dedicated station infrastructure
that cannot be shared.

Step 1: Pull Belden 8471 (approved equal) control wiring and a 14 AWG ground into the

enclosure through the conduit opening previously prepared.

Step 2: Strip 3/16” (5mm) of insulation from the ends of each wire pair.

Step 3: Remove the EchoConnect/ LinkConnect (LON) connector from the right I/O

board.

Step 4: Loosen the terminal screws for as many wire pairs you are terminating.

Step 5: Insert each white wire (typical) from the pairs into a “B” terminal on the connector

and tighten the screws firmly to secure the wire into the connector.

Step 6: Insert each black wire (typical) from the pairs into an “A” terminal, next to the

previously installed “B” terminal on the connector and tighten the screws firmly to
secure the wire into the connector.

It is required that you terminate LinkConnect / EchoConnect station wiring and the
auxiliary power wiring in the same enclosure (rack 1) where the station power
module and architectural control processor will be installed.

Step 7: Terminate the 14 AWG (2.5mm

2

) ground wire to the DRd ground bus bar in the

rear of the enclosure.

Step 8: Replace the connector to the right I/O board.

UL 924 Listed Panic Input

Termination is available for a UL 924 Listed dry contact input for
control bypass. The two pin panic connector, labeled “PANIC”,
accepts 16 AWG (1.5mm

2

) wire. Reference the related
Architectural Control Processor Configuration Manual for panic
look setup.

Step 1: Pull panic wiring into the enclosure through the conduit

opening previously prepared.

Step 2: Strip 3/16” (5mm) of insulation from the ends of each

wire.

Step 3: Remove the 2 pin Panic connector from the right I/O board.

Step 4: Loosen the terminal screws.

Step 5: Insert each wire into the terminals on the connector and tighten the screws firmly

to secure the wires into the connector.

Step 6: Replace the connector to the right I/O board.

ER /

RU/BATT

COM PANI C

J9
DUAL RACKS

CDI

4 Terminate Wiring 35

DMX Control Wiring

12345678

n/c

n/c

COM

Data +

Data - ORG

W/ORG

W/BRN

COM

Data +

Data - ORG

W/ORG

W/BRN

Use the DMX Pass-Thru

connector

If daisy-chaining to

another rack or

DMX device...

DMX A

Thru

DMX B

Thru

1234567812345678

COM

Data +

Data +

Data -

Data - ORG

W/ORG

BRN

GRN

W/GRN

BLU

W/BLU

W/BRN

ORG

W/ORG

BRN

GRN

W/GRN

BLU

W/BLU

W/BRN

COM

From source

DMX A

From source

DMX B

Note:

It is required that you terminate DMX wiring in the same enclosure (rack 1) where
the architectural control processor will be installed.

DMX wire preparation and termination will vary with the type of wire and termination kit
being used. Please refer to the instructions supplied with the DMX termination kit for
specific wire preparation.

DMX Input Wire Termination using the Screw Terminals Connector

The graphic to the left illustrates DMX termination layout for the
screw-terminal connectors that are intended for use with Belden
9729 cable (or approved equal) cable type.

Screw terminal connectors are supplied as standard in the DMX
Preparation Kit w/ Screw Connector, part number 4100A1012.

Be aware that cable other than Belden 9729 may have a different
color code for its wire pairs.

DMX Input Wire Termination using the Insulation Displacement Connector (IDC)

The graphic below illustrates DMX termination layout for an insulation displacement
connector. This connector type is intended for use with Belden 1583A (or approved equal,
such as Category 5, 5E, or 6) cable type. Be aware that cable other than Category 5 may
have a different color code for its wire pairs.

If daisy-chaining to

From source

another rack or

DMX A

DMX device...

COM

Data + (Red)

Data - (Black)

n/c

n/c

n/c

n/c

n/c

12345678

Reference and follow the DMX Cable Preparation for IDC Termination instruction sheet that
is shipped with the insulation displacement pluggable connector kit (part number
4100A1013).

AX12X Cross-bussed Interconnection

Termination is provided for connection of a second DRd enclosure when installed in a
cross-bussed application. This termination point is labeled “Dual Enclosures” on the right
I/O board.

An interconnect cable is provided which connects enclosure 1, which is the DRd with the
ACP installed, to enclosure 2, which is the secondary enclosure in the cross-bussed
system. This cable is labeled at both ends, one end indicating enclosure 1 and the other
end indicating enclosure 2. You must have installed this cable to the correct enclosure for
proper operation.

This interconnection of enclosures allows full control of both DRd enclosures from only one
Architectural Control Processor installed in rack 1. This may only be used in a cross-bussed
applications.

Reference the Unison Auxiliary Enclosure Installation Manual for instructions to accomplish
this termination.

36 DRd Enclosure Installation Manual

Terminate the Unison Options (URTO and UBPO)

LO

Termination is available on the right I/O for the either the Unison
Ride Through Option or the Unison BatteryPack Option. You may
use only one of these option kits per enclosure.

Step 1: Notice the two pin connector labeled “RideThru / Batt” on

the right I/O board.

Step 2: Follow the instructions provided in the Setup Guide,

provided with the option kit, for appropriate termination.

APM

-THRU

B

+ B- COM

DMXB DMXA

SRC OFF END

Note:

Terminate DMX

DMX requires 120 termination at the last DMX
device in the control run. Since a DRd with a
Paradigm module installed can utilize up to two DMX
inputs (2 DMX runs) the right I/O board provides
convenient termination switches for use.

Notice the two termination switches labeled DMXA
and DMXB. Each switch has three termination
positions:

• Source - reserved for RDM termination (future

A single DRd enclosure supports the use of either the Unison RideThru Option
board or the Unison BatteryPack Option, but not both in one enclosure.

RideThru/Batt

development).

J9
DUAL RACK

Half

• Off - no termination, DMX will pass through this device on to the next DMX device in

the data run.

• End - termination is on. Used for the last DMX device (DRd) that is physically

connected in the daisy-chained DMX data run.

When a Paradigm ACP is used in an Unison DRd enclosure, port B will be configured as
an output and cannot be changed. Port A is configured as either a DMX input or output.
When used as an output the DMX termination should always be set to “Off”.

When an Echo or SmartLink ACP is utilized in the Unison DRd enclosure, port A is
automatically configured to be a DMX input and cannot be changed, port B is not used.

4 Terminate Wiring 37

DRd Left I/O Data Termination

1

6

NO4

COM4

NO3

COM3

NO2

COM2

NO1

COM1

IN4

GND

IN3

GND

IN2

GND

IN1

GND

OUTPUTSINPUTS J4 J5

7183B4605 REV
© 2008 ETC, INC.
MADE IN THE U.S.A.

RS-232

J3

J2 E THERNET

Paradigm Network
Termination board

Echo Network
Termination board

The Left I/O board is not included with the DRd enclosure when shipped from the factory.
Instead, the appropriate board is provided in the Paradigm DRd Termination kit or Echo
ACP Network Option kit when ordered separately. The Left I/O board should be installed
by the installing contractor or field technician. Follow the instructions provided with the Left
I/O board for installation and wire termination.

Note:

Data terminations to the left I/O board are specific to the processor used.
SmartLink does not support a left I/O option.

The left I/O board supports the Echo Architectural Control Processor and Paradigm

Architectural Control Processor data terminations including:

• Ethernet on a RJ-45 female connector.

• RS-232 on a male 9 pin (D style) connector (P-ACP only).

• Contact closure input terminations on a 8 pin pluggable connector (P-ACP only).

• Terminations available for 4 inputs and 4 common wires.

• Contact closure output terminations on a 8 pin pluggable connector (P-ACP only).

• Terminations available for 4 normally open relay outputs and 4 common wires.

Connect to Serial RS-232

Integrators or users of advanced systems can interface with the Unison system through the
RS-232 connector on the left I/O board. This connection provides an interface with external
devices capable of sending or receiving RS-232. This connection can also receive serial
commands from a transmitter and provide DRd and system status when queried.

Note:

The RS-232 cable (not supplied) should follow common RS-232 pinout for a DB9
receptacle (pin 2 is RS-232 Rx, pin 3 is RS-232 Tx, and pin 5 is ground).

Connect to Ethernet RJ-45

Network interface to the DRd is made through the RJ-45 connector (labeled Ethernet)
located on the left I/O board.

38 DRd Enclosure Installation Manual

Note:

All Ethernet terminations must follow IEEE 802.3 and be terminated to the T568B
standard.

Connect to Contact Inputs and Contact Outputs

The left I/O provides a convenient interface (inputs and outputs) to external devices via
contact closure on removable pluggable connectors. Up to four contact inputs are available
and can be configured for either maintained or momentary operation by the technician
creating the Paradigm architectural configuration. Up to four contact outputs are available
and are preset for normally open operation.

Note:

Terminate Contact Inputs

Step 1: Remove the contact inputs removable screw terminal connector located on the

Step 2: Loosen the desired number of contact input screw terminals and related ground

Step 3: Insert contact closure 1 into the terminal labeled “IN1” on the connector and

Step 4: Insert the related common wire for contact closure 1 into the terminal labeled

Step 5: Repeat for each contact input and ground wire pair (up to four total).

Terminate Contact Outputs

Step 1: Remove the contact outputs removable screw terminal connector located on the

Step 2: Loosen the desired number of contact output (normal open) screw terminals and

Step 3: Insert contact output 1 into the terminal labeled “NO1” on the connector and

Step 4: Insert the related common wire for contact output 1 into the terminal labeled

Step 5: Repeat for each contact output and common wire (up to four total).

Typical contact I/O wiring is color coded as follows: contact 1 - brown, contact 2 ­orange, contact 3 - yellow, contact 4 - green. All commons and ground voltages
are typically black or red.

left I/O board. Each connector is labeled for installation convenience.

screw terminals on the connector.

tighten the screw terminal.

“GND” on the connector and tighten the screw terminal.

left I/O board. Each connector is labeled for installation convenience.

related ground screw terminals on the connector.

tighten the screw terminal.

“COM1” on the connector and tighten the screw terminal.

4 Terminate Wiring 39

Chapter 5

Install Option Kits

• DALI Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

• 0-10V Control Option Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

• RideThru Option Kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

• BatteryPack Option Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

40 DRd Enclosure Installation Manual

Installation of Option Kits

Unison DRd enclosure options include the 0-10V control option kit, the Digital Addressable
Lighting Interface Option kit, the RideThru option kit, and the BatteryPack option kit.

Note:

It is best to install option kits after conduit rough-in and the line, load and control
terminations are complete to reduce the likelihood of damage to the option boards.

A single DRd enclosure supports the use of either the DALI Option kit or the 0-10V
Option kit, but not both in the same enclosure.

In addition, a single DRd enclosure supports the use of either the Unison RideThru
Option or the Unison BatteryPack Option, but not both in the same enclosure.

DALI Option

Install the DALI Option kit

The Digital Addressable Lighting Interface option controls 24 loops of 64 DALI compatible
ballasts and drivers in a broadcast mode. Each of the 24 DALI loops are linked one to one
with a circuit for power control. For example, DALI loop 1 is controlled by dimmer 1, DALI
loop 2 is controlled by dimmer 2, etc.

To control DALI ballasts or drivers, the circuit must be populated with a module and
assigned to DALI dimmer mode within the ACP software. Reference the related
Architectural Control Processor programming guide for instruction to change dimmer mode.

Note:

The DALI device is powered by an external DALI power supply (supplied by
others). Each DALI loop requires its own power supply and possibly more than
one power supply depending on the load.

5 Install Option Kits 41

The DALI option supports 64 DALI compatible devices per DALI loop. All DALI devices

Step 2:

Step 3:

Step 4:

connected to that loop will respond at the same time and to the same level as sent by the
broadcast command.

Step 1: Align the DALI option board to the mounting studs in the bottom right side of the

enclosure.

• Notice the mounting holes on the DALI option board. One is a slotted
keyhole, another is an open ended slot and the remaining two on the other
end of the board are standard mounting holes used to secure the board in
place.

Step 2: Set the rear left stud through the slotted keyhole and align the open ended slot

with the back right side mounting stud.

Step 3: Gently slide the DALI board toward the right I/O board aligning the five prong

connector to the receptacle on the I/O board.

Step 4: Secure the bottom two mounting studs with the screws provided.

42 DRd Enclosure Installation Manual

Connect DALI Option Wiring

2008

Label

Each of the four bus connectors on the option board provide
termination for six DALI loops. Each bus connector is labeled
for ease of loop identification and is pluggable for ease of
wiring termination. Terminals accept 12-24 (4 - .25mm

2

) AWG

Class 1 wire.

*Maximum Run Lengths for Class 1 wiring

18 AWG

2

1mm

16 AWG

1.3 mm

14 AWG

2

1.6 mm

2

12 AWG

2

2 mm

**Max.

aggregate run

length

feet meter feet meter feet meter feet meter feet meter

570 175 900 275 1,430 435 2,280 700 3000 900
*Maximum Run Length - the longest distance between any device and any power supply on

the DALI bus.
**Maximum Aggregate Run Length - the longest total length of all total wiring connected to
the DALI bus.

It is important to label the DALI fluorescent ballast load and control wiring sets with the
circuit designation. Control wires terminate on the associated DALI board output loop
terminal.

For example: If circuit 1 is configured as a D20 in DALI dimmer mode, DALI fluorescent
ballast control wiring should terminate to the DALI board loop output terminals labeled “1”.

Note:

Step 1: Remove the DALI bus connector for loop outputs 1-6.

Step 2: Strip each wire in the pair back 1/4 inch (6mm).

Step 3: Using a small 3,35mm or 1/8” flat blade screwdriver, loosen the terminals and

Step 4: Tighten the terminal screw until the wire is held snugly.

Step 5: Repeat steps 1 through 4 for the remaining DALI loops through loop 6.

Step 6: Replace the DALI bus connector on the DALI board and repeat for the remaining

The lug number inside the enclosure should match the control line number
designation regardless of whether the DRd is configured for straight or balanced
numbering.

insert each wire into the data “+” or data “–” terminals for the specific circuit loop.
Data wires in the wire set are polarity independent.

DALI loops in the system (up to 24 loops).

5 Install Option Kits 43

0-10V Control Option Kit

Step 2

Step 3

Step 4

Install the 0-10V Option Kit

The 0-10V Control option (DRd-FLO) provides 24 outputs for control of 0-10V (4-wire)
ballasts and drivers. Each channel output is linked one-to-one with a circuit for power
control. The FLO board is comprised of 24 individual 0-10 vDC connections, each rated to
control a maximum of 400mA per channel.

Each output connection is clearly labeled on the removable screw terminal bus connectors.
The removable connectors accept 12 - 24 AWG (4 - .25mm

Step 1: Align the 0-10V option board to the mounting studs in the bottom of the

enclosure.

• Notice the mounting holes on the 0-10V option board. One is a slotted
keyhole, another is an open ended slot, and the remaining two on the other
end of the board are standard mounting holes used to secure the board in
place.

Step 2: Set the rear left stud through the slotted keyhole and align the open ended slot

with the back right side mounting stud.

Step 3: Gently slide the option board toward the right I/O board aligning the five prong

connector to the receptacle on the I/O board.

Step 4: Secure the remaining two mounting holes to the pems with the screws provided.

2

) Class 1 wire.

44 DRd Enclosure Installation Manual

Connect 0-10V Control Option Wiring

2008

Label

-6+ -5+ -4+ -3+ -2+ -1+

-12+ -11+ -10+ -9+ -8+ -7+

-18+ -17+ -16+ -15+ -14+ -13+

-24+ -23+ -22+ -21+ -20+ -19+

FLUOR 1 - 6

FLUOR 7 - 12

FLUOR 13 - 18

FLUOR 19 -24

Each of the four bus connectors on the option board
provide termination for six fluorescent outputs. Each
bus connector is labeled for ease of identification and is
pluggable for ease of wiring termination. Terminals
accept 12-24 (4 - .25mm

2

) AWG Class 1 wire.

Note:

Note:

0-10V control wiring must be routed in separate conduit from the line voltage
wiring.

To control 0-10V devices, the power circuit in the DRd must be a dimmer or relay module
and assigned to 4-wire fluorescent dimmer mode. Reference the related Architectural
Control Processor configuration manual for instruction to change dimmer mode.

It is important to label the 0-10V load and control wiring sets with the circuit designation.
Control wires terminate on the associated 0-10V option board output terminal. Example: If
circuit 1 is configured as a dimmer with a 4-wire fluorescent dimmer mode, ballast control
wiring would terminate to the 0-10V option board output terminals labeled “1”.

The lug number inside the enclosure should match the control line number
designation regardless of whether the DRd is configured for straight or balanced
numbering.

Step 1: Pull 0-10V control wiring pairs into the DRd enclosure per the wire entry plan.

Step 2: Strip each wire pair back 1/4 inch (6mm).

Step 3: Remove the bus connector for outputs 1-6. The pluggable connector is seated

tight in the receptacle. You may need to gently pry the connector free from the
board using a small 3,35mm or 1/8” flat blade screwdriver.

Step 4: Notice the connector is labeled for your reference during wire termination. Using

a small 3,35mm or 1/8” flat blade screwdriver, loosen the terminals and insert
each of the data “+” and data “–” wires in the wire set into the appropriate
terminal.

a: Terminate the violet (typical) control wire of the first pair into the “+” terminal

associated to the power circuit.

b: Terminate the gray (typical) control wire of the first pair into the “–” terminal

associated to the power circuit.

c: Tighten each screw terminal until the wire is held snug.

Step 5: Repeat for the remaining outputs through output 6.

Step 6: Replace the first bus connector to the option board and repeat for the remaining

fluorescent outputs in the system (up to 24 outputs).

5 Install Option Kits 45

RideThru Option Kit

Note:

A single DRd supports the use of either the Unison RideThru Option or the Unison
BatteryPack Option, but not both in the same enclosure.

Install the RideThru Option Kit

WARNING:

The RideThru Option kit provides power for the Architectural Control Processor for a
minimum of 12 seconds during brief power outages or power drop outs. The RideThru
Option board fully charges and is ready for operation within ten minutes of the DRd being
powered.

Risk of Electric Shock! The Unison RideThru option board retains an
electrical charge even when power to the DRd is off.

2008

Step 1: Align the RideThru Option board to the mounting studs in the bottom of the

enclosure.

• Notice the mounting holes on the option board. Two are open ended slots
used to place the board, and the remaining two standard mounting holes
used to secure the board in place.

• Align the open ended slots to the studs and rest the other end of the board
on the mounting studs.

Step 2: Secure the board to the two mounting studs with the screws provided.

46 DRd Enclosure Installation Manual

Connect RideThru Option Wiring

2008

Step 1:

The BatteryPack Option kit provides sustained battery power to
the Architectural Control Processor for up to 90 minutes during
power outages. The self-contained battery installs on the bottom
of the host DRd enclosure.

The Unison RideThru Option board is provided with a wiring harness for connection
between the option board and the right I/O board.

Step 1: Connect one end of the wiring harness to the two pin receptacle on the option

board.

Step 2: Connect the other end of the wiring harness to the two pin receptacle labeled

“RideThru/Batt” on the right I/O board. See “DRd Right I/O Data Terminations”

on page 34.

• Secure the wiring harness to the DRd enclosure using the cable tie and cable
tie mounts supplied with the RideThru Option board.

BatteryPack Option Kit

Note:

A single DRd supports the use of either the Unison RideThru Option or the Unison
BatteryPack Option, but not both in the same enclosure.

Install the BatteryPack Option Kit

Step 1: The BatteryPack Option board is provided with a wiring harness for connection

between the BatteryPack and the right I/O board. Install the wiring harness and
connector into the enclosure (the connector is keyed for proper orientation).

5 Install Option Kits 47

a: Insert the connector end through the opening in the bottom of the enclosure.

DRd enclosure before UBPO cable and
connector installation

DRd enclosure after UBPO cable and
connector installation

The connector is designed to snap into place without additional hardware,
therefore slight force may be required to ensure the connector installs
properly.

Step 2: Connect the two pin receptacle labeled “RideThru/Batt” on the DRd right I/O

board. See “DRd Right I/O Data Terminations” on page 34.

Step 3: Secure the wiring harness to the enclosure using the cable tie and cable tie

mount supplied with the BatteryPack Option kit. A loose or poorly routed wiring
harness could interfere with option module (DRd-FLO or DRd-DALI) installation.

48 DRd Enclosure Installation Manual

Step 4: Install the BatteryPack on to the bottom of the enclosure.

see Note:

Step 4a:

Step 4b:

Note:

a: Insert the tabs from the BatteryPack into the slots in the DRd enclosure.

As the battery is mated to the enclosure, the connector on the BatteryPack and
the connector receptacle installed in step 1 also mate.

b: Secure the BatteryPack to the enclosure using the captive screw provided.

5 Install Option Kits 49

Chapter 6

Final Installation and Power Up

This chapter contains the following sections:

• Checking the Installation before Installing Modules . . . . . .51

• Sealing Air Leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

• Final Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

• Control Bypass (Test Mode) . . . . . . . . . . . . . . . . . . . . . . . . . .54

• Reengage Module Retention Bar . . . . . . . . . . . . . . . . . . . . . .55

50 DRd Enclosure Installation Manual

Checking the Installation before Installing Modules

It’s a good idea to look over the entire installation before installing modules or applying
power to the enclosure.

WARNING:

Step 1: Clean out dust, metal scraps or other debris from the interior of the enclosure.

Step 2: Check for loose connections, bare wires and damaged insulation.

Step 3: Manually spin the top cooling fan in both directions to be sure it is not obstructed.

Step 4: Correct air leaks caused by misaligned or removed conduit panel openings or

Step 5: Check resistance between phases, Neutral and Earth for short circuits. With the

Step 6: Check Load Wiring. Check resistance between the load terminals and the

Power must be turned OFF when you perform this procedure.

Before service, de-energize main feed to DRd and follow appropriate
Lockout/Tagout procedures as described in NFPA Standard 70E. It is
important to note that electrical equipment such as dimmer enclosures can
present an arc flash safety hazard if improperly serviced. This is due to
available large short circuit currents on the feeders of the equipment. Any
work on energized equipment must comply with OSHA Electrical Safe
Working Practices.

• ETC recommends vacuuming the interior before installing modules.

empty screw holes. For complete instructions for this procedure reference

Sealing Air Leaks, page 52.

power connector to the Power Supply/Dimming Engine still removed (this was
accomplished prior to installing conduit and terminating any wires, see Remove

the DRd Power Supply/Dimming Engine Access Panel, page 18), and the all

modules removed from the enclosure, including the Station Power Module,
check resistance between phases, neutral and ground busses with a digital
voltmeter (DVM).

a: Phase to Phase; resistance should be 10M ohm or higher.

b: Phase to Earth (ground); resistance should be 10M ohm or higher.

c: Neutral to Earth (ground); resistance should be less than 1 ohm.

d: Phase to Neutral; resistance should be 10M ohm or higher.

Neutral buss.

a: Above 1M ohm is normal when no load is connected.

b: Between 6-300 ohm is a reasonable reading when loads are connected.

c: Below 1M ohm indicates a dead short in the load wiring and an infinite

reading indicates no load or an open circuit

.

CAUTION:

A dead short can cause module damage.

6 Final Installation and Power Up 51

Sealing Air Leaks

After you have attached all the conduit to the enclosure and connected all wiring, you must
seal any air leaks in the enclosure that was created during the installation process. ETC
recommends use of urethane aerosol foam to fill air gaps in conduit fittings.

• Seal all conduit access holes.

• Completely cover all conduit openings with fiche paper and/or urethane aerosol foam
or duct seal.

• Seal any air gaps caused by bent access panels.

• Fill in any gaps inside partially filled wiring conduit.

• Fill in other gaps or holes in the cabinet created during installation.

• Any enclosures that are installed side - by - side (bolted together) should only have
minimal airflow between them.

CAUTION:

Air leaks can cause the DRd to overheat during operation and shut down. Air leaks
can also cause a DRd to shut down via an overtemp error, meaning that too little
air is flowing through the front of the enclosure where it is needed to cool the
dimmers.

52 DRd Enclosure Installation Manual

Final Installation

Step 3

Step 2a

Step 2.b

Step 2.c

The enclosure
door has been
removed from
this graphic for
clarity of this
procedure.

Step 1: Reinstall the Power Supply / Dimming

Engine Access Panel that was
removed prior to conduit installation
and wire termination.

a: Align the guide pins located on the

access panel to the guided slots
on the enclosure.

b: Glide the access panel down, so

that it rests fully into the guided
slots.

c: Tilt the supply access panel away

from the enclosure.

Note:

All DRd enclosures are shipped with a dimmer module retention bar installed. The
dimmer module retention bar prohibits installed modules from being removed from
the enclosure without the use of a tool.

Before installing modules into the DRd, loosen the screws retaining this bar in
place, then slide the bar to the left side of the enclosure (door hinge side).
Complete the final installation procedure outlined below, then reengage the
module retention bar (see page 55). This bar is required to be installed in all
enclosures in order to maintain proper CE rating and NFPA70 compliance.

.

6 Final Installation and Power Up 53

Step 2: Reconnect the three cable assemblies to the unit.

a: For the cable bundle on the left side, insert the connector into receptacle until

you hear a click.

b: For the ribbon cable on the right rear side; insert the connector into the

receptacle. Press gently on both sides until it clips into place.

c: For the two-wire cable on the right side, gently press the connector straight

into the receptacle. This connection is also keyed and can only install one
way.

Step 3: Rotate the access panel closed, then slide the panel up approximately one inch

to align the panel to the captured screws.

Step 4: Tighten the two captive screws, securing the access panel in place.

Step 5: Install modules into the DRd.

a: Align each dimmer module with the correct module slot and firmly press into

place. The face of the dimmer module should be flush with the DRd
enclosure.

b: Install the Station Power Module and Architectural Control Processor into

their respective slots. The Architectural Control Processor installs into the
lowest module slot. The Station Power Module installs into the slot directly
above the ACP.

WARNING:

Control Bypass switch

Step 6: Power up the enclosure. Before installing or removing dimmer or control

Step 7: Switch all module circuit breakers to the “On” position.

Step 8: Reference the related Architectural Control Processor Configuration Manual for

Never power up or operate the DRd enclosure without all modules installed.
Failure to comply exposes you to dangerously high voltages that may result
in death by electrical shock.

modules for service, de-energize main feed to DRd and follow appropriate
Lockout/ Tagout procedures as described in NFPA Standard 70E. It is important
to note that electrical equipment such as dimmer enclosures can present an arc
flash safety hazard if improperly serviced. This is due to available large short
circuit currents on the feeders of the equipment. Any work on energized
equipment must comply with OSHA Electrical Safe Working Practices.

DRd configuration setup and operation.

Control Bypass (Test Mode)

Test load circuits connected to the DRd enclosure by switching the “Control Bypass” switch
to the “Test” position. The Control Bypass switch allows testing of lighting loads and
provides temporary lighting before complete system commissioning. Return the switch to
its “Normal” setting after the test is complete.

CAUTION:

54 DRd Enclosure Installation Manual

Turning the Control Bypass switch to the “Test” position with all module circuit
breakers “On” will bring all lighting loads to full. To select only certain lighting loads
for test, switch “Off” undesired module circuit breakers in the DRd enclosure.

Reengage Module Retention Bar

Enclosure door removed
from graphic only for
clarity of the dimmer
module retention
installation.

Dimmer module

retention bar

Step 1: Check that all required modules have been installed into the DRd enclosure including

dimmer modules, air flow modules, Station Power Module, and Architectural Control

Processor. All module slots should be populated.
Step 2: Loosen the screws on the retention bar.
Step 3: Slide the retention bar to the right. Notice the retention bar has two tabs that insert into

the ACP and Station Power Module slots for retention.
Step 4: Secure the retention bar in place using the screws provided.

6 Final Installation and Power Up 55

56 DRd Enclosure Installation Manual

Appendix A

Modules Specification

120 VAC Modules

Module
Type

AFM Air Flow Module 7083A1072
CC15 Dual 15A Constant Circuit Breaker Module 7083A1021 2.1 lbs / 1.0 kgs
CC20 Dual 20A Constant Circuit Breaker Module 7083A1025 2.2 lbs / 1.0 kgs
D15 Dual 15A, 1.8KW, 350µS Dimmer Module 7083A1018 5 lbs / 2.3 kgs
D15E Dual 15A, 1.8KW, 500µS Dimmer Module 7083A1019 5 lbs / 2.3 kgs
D15F Single 15A, Fluorescent Dimmer Module 7083A1020 2.4 lbs / 1.1 kgs
D15FB Single 15A, Fluorescent / Battery Dimmer Module 7183A1073 2.4 lbs / 1.1 kgs
D20 Dual 20A, 2.4KW, 350µS Dimmer Module 7083A1022 5 lbs / 2.3 kgs
D20E Dual 20A, 2.4KW, 500µS Dimmer Module 7083A1023 5 lbs / 2.3 kgs
D20F Single 20A, 2.4KW Fluorescent Dimmer Module 7083A1024 2.4 lbs / 1.1 kgs
D20FB Single 20A, Fluorescent / Battery Dimmer Module 7183A1074 2.4 lbs / 1.1 kgs
ELV10 Dual 1.2KW, Reverse Phase 10A Dimmer Module 7183A1017 2.6 lbs / 1.2 kgs
R15 Dual 15A at 120 VAC Relay Module 7083A1084 2.6 lbs / 1.2 kgs
R20 Dual 20A at 120 VAC, Relay Module 7083A1085 2.6 lbs / 1.2 kgs
L10 Reverse Phase 10A at 120 VAC, Dimmer Module 7083A1078 2.4 lbs / 1.1 kgs

L10F

Description Part Number

3 wire, Reverse Phase 10A at 120 VAC, Dimmer
Module

7083A1079 2.4 lbs / 1.1 kgs

Module Weight
(lbs/kg)

1.3 lbs / 0.59 kgs

230 VAC Modules

Module
Type

AFM Air Flow Module 7083A1072 1.3 lbs / 0.59 kgs
ECC6 Dual 6A, 1.3KW, Constant Circuit Module 7183A1091 2.7 lbs / 1.2 kgs
ECC6N Dual 6A, 1.3KW, Neutral Disconnect Constant Circuit Module 7183A1089 5 lbs / 2.3 kgs
ECC10 Dual 10A, 2.3KW Constant Circuit Module 7183A1092 5 lbs / 2.3 kgs
ECC10N Dual 10A, 2.3KW Neutral Disconnect Constant Circuit Module 7183A1090 5 lbs / 2.3 kgs
ECC15 Dual 15A, 3KW Constant Circuit Module 7070A1046 2.7 lbs / 1.2 kgs
ECC25 Dual 25A, 5KW Constant Circuit Module 7070lA1047 2.5 lbs / 1.1 kgs
ED6 Dual 6A, 1.3KW 400µS Dimmer Module 7170A1073 5.5 lbs / 2.5 kgs

ED6E

ED6N Dual 6A, 1.3KW, 400µS Dimmer Module 7070A1081 5.5 lbs / 2.5 kgs
ED6NE Dual 6A, 1.3KW, 400µS Neutral Disconnect Dimmer Module 7183A1079 5 lbs / 2.3 kgs
ED10 Dual 10A, 2.3KW 400µS Dimmer Module 7070A1074 5.5 lbs / 2.5 kgs
ED10E Dual 10A, 2.3KW, 400µS Dimmer Module 7083A1086 5 lbs / 2.3 kgs

ED10N

ED10NE Dual 10A, 2.3KW, 400µS Neutral Disconnect Dimmer Module 7070A1080 5.5 lbs / 2.5 kgs

ED15

Description Part Number

Dual 6A, 1.3KW, 400µS Dimmer Module

Dual 10A, 2.3KW, 400

Dual 15A, 3KW, 225µS Dimmer Module

µS Neutral Disconnect Dimmer Module

7183A1085 5 lbs / 2.3 kgs

7070A1082 5.5 lbs / 2.5 kgs

7083A1035 1.3 lbs / 0.59 kgs

Module Weight
(lbs/kg)

A Modules Specification 57

230 VAC Modules

Module
Type

ED15E

ED15N

ED15NE

ED15RS Dual 15A, 3KW, 225µS RCD Module 7083A1045 5 lbs / 2.3 kgs

ED15RE

ED25S Single 25A, 225µS Dimmer Module 7083A1033 5.5 lbs / 2.5 kgs

ED25E

ED25NE

ED25NS Single 25A, 5KW, 225µS Neutral Disconnect Dimmer Module 7083A1043 5.5 lbs / 2.5 kgs
ED25RS Single 25A, 5KW, 225µS RCD Module 7083A1047 5 lbs / 2.3 kgs

ED25RE

EELV6 Dual 10A, Reverse Phase 230V AC, Dimmer Module 7070A1300 5 lbs / 2.3 kgs
ER6 Dual 6A, 1.3KW at 230V AC, Relay Module 7183A1083 5 lbs / 2.3 kgs
ER10 Dual 10A, 2.3KW at 230V AC, Relay Module 7083A1084 5 lbs / 2.3 kgs
ER15 Dual 15A, 3KW at 230V AC, Relay Module 7083A1086 3.1 lbs / 1.42 kgs
ER25 Dual 25A, 5KW at 230V AC, Relay Module 7083A1087 3.1 lbs / 1.42 kgs

Description Part Number

Dual 15A, 3KW, 400µS Dimmer Module

Dual 15A, 3KW, 225

Dual 15A, 3KW, 400

Single 15A, 3KW, 400µS RCD Module

Single 25A, 5KW, 400µS Dimmer Module

Single 25A, 5KW, 400
Module

Single 25A, 5KW, 400

µS Neutral Disconnect Dimmer Module
µS Neutral Disconnect Dimmer Module

µS, Neutral Disconnect Dimmer

µS RCD Module

7083A1032 5 lbs / 2.3 kgs

7083A1041 5.6 lbs / 2.5 kgs

7083A1042 5.6 lbs / 2.5 kgs

7083A1046 5 lbs / 2.3 kgs

7083A1034 5.5 lbs / 2.5 kgs

7083A1044 5 lbs / 2.3 kgs

7083A1048 5 lbs / 2.3 kgs

Module Weight
(lbs/kg)

240 VAC Modules

Module
Type

AFM Air Flow Module 7083A1072 1.3 lbs / 0.59 kgs
HD15 Dual 15A, 3.0KW at 240 V AC, 165µS Dimmer Module 7183A1047 5 lbs / 2.3 kgs
HD15F Single 15A, Fluorescent Dimmer Module 7183A1056 5 lbs / 2.3 kgs
HELV5 Dual 5A, Reverse Phase 240 V AC, Dimmer Module 7183A1055 2.4 lbs / 1.1 kgs
HR15 Dual 15A at 240 V AC, Relay Module 7183A1057 3.1 lbs / 1.42 kgs
HCC15 Dual 15A, Constant Circuit Module 7183A1058 2.6 lbs / 1.2 kgs

Description Part Number

Module Weight
(lbs/kg)

58 DRd Enclosure Installation Manual

277 VAC Modules

Module
Type

AFM Air Flow Module 7083A1072 1.3 lbs / .59 kgs
ACC15 Dual 15A at 277V AC, Constant Circuit Breaker Module 7183A1048 2.7 lbs / 1.2 kgs
ACC20 Dual 20A at 277V AC, Constant Circuit Breaker Module 7083A1090 2.7 lbs / 1.2 kgs
AD15 Dual 15A, 4.1KW at 277V AC, Dimmer Module 7083A1006 5 lbs / 2.3 kgs
AD15F Single 15A, 4.1KW at 277V AC, Dimmer Module 7083A1008 2.4 lbs / 1.1 kgs

Material description Part Number

Module Weight
(lbs/kg)

AD15FB Single 15A, Fluorescent / Battery Dimmer Module 7183A1075 2.4 lbs / 1.1 kgs

AD20 Dual 20A, 5.5KW at 277V AC, Dimmer Module 7083A1007 5 lbs / 2.3 kgs
AD20F Single 20A, 5.5KW at 277V AC, Fluorescent Dimmer Module 7083A1009 2.4 lbs / 1.1 kgs

AD20FB Single 20A, Fluorescent / Battery Dimmer Module 7183A1076 2.4 lbs / 1.1 kgs
AL5 Dual 5A at 277V AC Reverse Phase Dimmer Module 7083A1075 2.4 lbs / 1.1 kgs

AL5F

AELV5 Dual 5A at 277V AC Reverse Phase Dimmer Module 7183A1028 2.6 lbs / 1.2 kgs
AR15 Dual 15A at 277V AC Relay Module 7083A1082 2.6 lbs / 1.2 kgs
AR20 Dual 20A at 277V AC Relay Module 7083A1083 2.6 lbs / 1.2 kgs

Single, 3 wire, 5A at 277V AC Reverse Phase Dimmer
Module

7083A1076 2.4 lbs / 1.1 kgs

A Modules Specification 59

60 DRd Enclosure Installation Manual

Appendix B

Figure 1: Emergency Module Circuit

Module Circuit Breaker

Dimming Circuit

Dimmed Output

Constant Output

CE 230V Emergency Modules

230V CE Emergency modules are non-standard for DRd 230V enclosures. On the
occasion that your installation requires use of these modules, refer to the information
outlined below for installation.

Note:

When configuring the dimmer modules at the Architectural Control Processor,
configure as either the ED15 or the ER15 module type.

About Emergency Modules

The 230V CE Emergency modules provide two live outputs, one of which is dimmed or
switched, and one of which is live whenever the breaker is turned “On”. This setup allows
the modules to control battery-backed lighting, which requires both a constant and a
switched or dimmed feed.

ETC offers two varieties of Emergency Modules - ED15AFE (15A Dimmer), and
ER15AFE(15A Relay), painted red for easy identification.

Wire Termination

The constant output from the module is connected to the Neutral lugs at the left of the
enclosure. Therefore, unlike Neutral Disconnect modules, Emergency modules provide a
live output at these lugs, not a neutral connection.

Note:

B CE 230V Emergency Modules 61

ETC does not offer a Neutral Disconnect or RCD version of the emergency
modules.

Step 1: Locate the module slot in the enclosure where the Emergency module is to be

fitted.

Step 2: Terminate the outgoing dimmed line to the terminals at the right hand side of the

enclosure.

Step 3: Terminate the outgoing (constant feed) line to the terminals at the left side of the

enclosure.

Step 4: Terminate the outgoing (Earth) line to the earth bar terminals.

Step 5: Terminate the Neutral as described in the following section, dependant on your

Figure 2: Emergency Module Connections

Constant live
line is landed
on the Neutral
lugs

Dimmed or
switched line is
landed on live
lugs

DRd enclosure model.

Non Neutral Disconnect

For enclosures which have neutral jumpers fitted, the Neutral of the load, fed by the
Emergency module, must be connected to the Neutral terminal of an adjacent module.

Neutral Disconnect

In enclosures without neutral jumpers (Neutral Disconnect enclosures), the Neutral of the
load should not be connected to another load’s Neutral terminal. This can cause unwanted
tripping of RCD modules.

Instead, an auxiliary neutral terminal must be fitted to the neutral plate and the loads should
be connected to the terminal. If your enclosure was ordered with Emergency modules from
the factory, the auxiliary neutral terminal will be factory fitted. If you require an auxiliary
neutral terminal for field installation, please contact ETC as shown using the details in

Contacting ETC, page 2.

62 DRd Enclosure Installation Manual

B CE 230V Emergency Modules 63

Corporate Headquarters
London, UK
Rome, IT 

 Unit 26-28, Victoria Industrial Estate, Victoria Road, London W3 6UU, UK  Tel [phone]  Fax [phone]

Via Pieve Torina, 48, 00156 Rome, Italy  Tel [phone]  Fax [phone]

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 3031 Pleasant View Road, P.O. Box 620979, Middleton, Wisconsin 53562-0979 USA  Tel [phone]  Fax [phone]

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Service:

(Americas) [e-mail] 

Web:

www.etcconnect.com 

7183M2100

 Rev D  Released 2014-07

Copyright © 2014 ETC. All Rights Reserved.  Product information and specifications subject to change.

(UK) [e-mail]  (DE) [e-mail] 



ETC intends this document to be provided in its entirety.

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