Crestron CLX-1DIMU4-HP Manual

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The Crestron® CLX-1DIMU4-HP and CLX-2DIMU8 dimmer modules

provide universal dimming control for LED, incandescent, magnetic

low-voltage, electronic low-voltage, and 2-wire dimmable fluorescent

lighting loads.

The dimmer modules pair with CLT-1DIMU4 and CLT-2DIMU8 terminal

blocks to facilitate simple system wiring. The terminal blocks ship

separately to allow termination and testing of the field wiring prior to

the installation and setup of the CLX-1DIMU4-HP and CLX-2DIMU8.

The CLX-1DIMU4-HP ratings:

• Power feed: One - 16 A, 120 VAC

• Dimming channels: Four - 10 A (1,200 W) max per channel

• Maximum output: 16 A (1,920 W)

The CLX-2DIMU8 ratings:

• Power feed: Two - 16 A, 120 VAC

• Dimming channels: Eight - 4 A (480 W) max per channel

• Maximum output: 32 A (3,840 W)

The dimmer modules and terminal blocks are designed to install in a

CAEN enclosure (not supplied) as part of a centralized lighting control

system.

Check the Box

Item Qty

CLX-1DIMU4-HP or CLX-2DIMU8* 1

Cable, Interconnect (P/N 4500250) 1

Screw, 8-8B x 1/4 in., Pan Head, Phillips (P/N 2007277) 4

CLT-1DIMU4 or CLT-2DIMU8* 1

Label, Terminal Block, 120 V, Left 1

Label, Terminal Block, 120 V, Right 1

Screw, 8-8B x 1/4 in., Pan Head, Phillips (P/N 2007277) 2

* The dimming modules and terminal blocks ship separately.

Installation Overview

Unless otherwise indicated, the lighting system specified in this guide

is modular, requiring assembly in the field by a licensed electrician in

accordance with all national and local codes.

Contact Crestron customer support if an assembled UL® Listed panel

is required. This includes complete in-factory system configuration and

assembly by Crestron for an additional fee.

WARNING:

• The CLX-2DIMU8 can be powered from multiple circuit breakers.

• A licensed electrician must mount these devices into the CAEN

enclosure in accordance with all national and local codes.

• When connecting to a third-party arc fault breaker, ensure

the load does not exceed 1,000 watts total. Crestron certified

breakers have a 2,000-watt limit.

CAUTION: This equipment is for indoor use only and needs to be air

cooled. Mount in a well-ventilated area. The ambient temperature

must be 32° to 104°F (0° to 40°C). The relative humidity must be

0% to 90% (noncondensing).

IMPORTANT NOTES: When controlling magnetic low-voltage

transformers:

• Do not use to dim or switch magnetic transformers

greater than 100 VA for the CLX-2DIMU8 and 300 VA for

the CLX-1DIMU4-HP.

• Do not hot plug transformers or add or remove bypass jumpers

while the output channel is energized.

• Do not mix magnetic and electronic transformers on the same

output channel.

Failure to follow the guidelines above can lead to damage of the

dimmer module and transformers.

Install and Wire the Terminal Block

Install the Terminal Block

Install the terminal blocks into the lowest available space in the CAEN

enclosure. Mount additional terminal blocks into the next space above

it. Refer to the CAEN Installation Guide (Doc. 5940) at

www.crestron.com for complete mounting information.

1. Turn the power OFF at the circuit breaker(s) or fuse panel(s).

2. Remove the backing from the terminal block label. Align the holes

on the label with the holes on the enclosure and attach the label

to the enclosure.

• Use the Left Terminal Block Label when mounting into a

single-wide CAEN enclosure or into the left side of a double-

wide CAEN enclosure

• Use the Right Terminal Block Label when mounting into the

right side of a double-wide CAEN enclosure.

3. Place the terminal block over the terminal block label and secure

the terminal block to the enclosure using two supplied 8-8B x 1/4

in. screws. The colors on the terminal block match the colors on

the terminal block label.

CAUTIONS:

• Bypass jumpers are provided to test the circuits and to protect

the module during installation. When properly secured by five

screws, the jumpers on the black and red sections of the terminal

block shorts line in to dim out so that the circuit is energized. Do

not remove the bypass jumpers until all feed and load wiring has

been completed, the circuit has been tested for electrical faults,

and the module has been installed. Refer to “Module Installation

and Wiring” for details.

• Do not remove the jumpers on the white sections of the terminal

block that tie the neutral in and neutral out wires.

Wire the Terminal Block

Connect the feed (Line and Neutral) and the load (controlled circuit)

wires to the terminal block. For 2-feed systems, the two power feeds

can be different phases. Follow the labeling on the wiring label.

NOTE: Use copper conductors only, rated 75 °C or greater.

When connecting wires:

• Use 14-10 AWG wire.

• Strip wire to 1/2 in. (13 mm).

• Tighten the terminal blocks to 9 in.-lb.

Connect the Ground wires to the ground bus inside the enclosure:

• Strip wire to 1/2 in. (13 mm).

• Tighten 14-10 AWG wire to 35 in.-lb.

• Tighten 8 AWG wire to 40 in.-lb.

• Tighten 6-4 AWG wire to 45 in.-lb.

Connect the Feed and Load Wires to the Terminal Block

(CLT-2DIMU8 Terminal Block Shown)

LINE 1

Connection from a 15

or 20 A circuit

breaker

Bypass

jumpers

Terminal

block

To loads

Left-side

wiring label

LINE 2

Connection from a 15

or 20 A circuit

breaker

Ground

bus

NEUTRAL

GND

CLX-2DIMU8

DIM 1

DIM 2

DIM 3

DIM 4

DIM 5

DIM 6

DIM 7

DIM 8

N IN 1

N OUT 1

N OUT 2

N OUT 3

N OUT 4

N IN 2

N OUT 5

N OUT 6

N OUT 7

N OUT 8

LINE 1

LINE 2

2 FE ED

8 DI M

120VAC 60 Hz

SINGLE PHASE

16A MAX/FEED

Module

location

label

NOTES: When wiring the terminal block on right-side double-wide, the

connection points on the label are reversed.

Test the Terminal Block Wiring:

1. Turn the power ON at the circuit breaker(s) or fuse panel(s).

2. Verify that the circuit breakers do not trip.

3. Verify that the power is delivered to the proper loads.

4. Repeat steps 1-3 for the other circuit breaker.

Install and Wire the Dimming Module

Install the dimmer module alongside the terminal block. Refer to

the CAEN Installation Guide (Doc. 5940) at for ww w.crestron.com

complete mounting information.

CAUTION: The module contains electrostatic sensitive devices (ESDs);

the unit must be handled from the metal chassis. Do not touch the PC

board or components.

NOTE: Install the dimmer module after the enclosure has been

completely wired. Refer to “Install and Wire the Terminal block” for

details.

Install the Dimming Module

1. Turn the power OFF at the circuit breaker(s) or fuse panel(s).

2. Secure the dimming module to the enclosure using four

8-8B x 1/4 in. screws. The wires on the dimming module should

face the terminal block and align with the terminal block label.

3. Connect the wires from the dimming module to the terminal

block. Each wire exits the module directly in line with, and is the

same color as, the terminal to which it should be connected.

Wires are prestripped to 1/2 in. (13 mm). Tighten to 9 in.-lb.

NOTE: The CLX-2DIMU8 is powered from the LINE 1 connection.

Wiring the Terminal Block to the Module

(CLT-2DIMU8 and CLX-2DIMU8 Shown)

Black from breaker

White from panel

Red to loads

White to loads

CLX-2DIMU8

DIM 1

DIM 2

DIM 3

DIM 4

DIM 5

DIM 6

DIM 7

DIM 8

N IN 1

N OUT 1

N OUT 2

N OUT 3

N OUT 4

N IN 2

N OUT 5

N OUT 6

N OUT 7

N OUT 8

LINE 1

LINE 2

2 F EED

8 D IM

120VAC 60 Hz

SINGLE PHASE

16A MAX/FEED

Install the Module Interconnect Cable (Optional)

If multiple modules are installed within an enclosure, use the module

interconnect cable (supplied) to pass control system communication

to the module. The illustration below shows the area within a double-

wide enclosure where the corners of four modules meet.

NOTE: One wire on the module interconnect cable may be a different

color from the rest. The color has no bearing on its orientation during

installation.

Using Module Interconnect Cable to Wire One Module to Another

Module interconnect

cable attached

Connection not

made

CLX-1DIMU4-HP/CLX-2DIMU8/CLT-1DIMU4/CLT-2DIMU8

Dimmer Module and Terminal Block

Produkt Specifikationer

Mærke:	Crestron
Kategori:	Ikke kategoriseret
Model:	CLX-1DIMU4-HP
Type:	Lysdæmper
Vekselstrømsindgangsspænding:	120 V
Bredde:	176 mm
Dybde:	87 mm
Højde:	194 mm
Relativ luftfugtighed ved drift (H-H):	10 - 90 %
Driftstemperatur (T-T):	0 - 40 °C