CLT- & CLX-2DIM8
Functional Summary
The Crestron® 2-Feed, 8-Dimmer Terminal Block and
Module (CLT-2DIM8 and CLX-2DIM8, respectively),
are considered a single entity and must be used together.
They ship separately to permit termination of the field
wiring to the CLT-2DIM8 prior to installation of the
CLX-2DIM8, as described in this guide. They can be
mounted in any Crestron Automation Enclosure (CAENSeries Enclosures). The terminal block is designed to
terminate two circuit feeds (LINE and NEUTRAL) and
distribute the controlled circuits (LOAD) to the fixtures.
The module connects to the terminal block and performs
dimming control of eight incandescent, magnetic low
voltage, neon, cold cathode, or dimmable 2-wire
fluorescent lighting loads. The maximum load is 16 amps
for any controlled circuit, limited to 16 amps total for
circuits 1 through 4 and 16 amps total for circuits 5
through 8. The unit requires 120VAC 50/60 Hz, 1 phase
input voltage. An oversize heat sink dissipates heat
efficiently. There are LEDs on the module to indicate
communication to a Cresnet
module, and output power to the load.
NOTE: The two input lines must be the same phase or
split phase.
®
network, input power to the
and side-by-side in the center of double-wide enclosures.
When installing modules and terminal blocks in a doublewide enclosure, be sure to invert units on the right side so
that they can be properly wired. Refer to the illustrations
shown in the next column when considering the location
of terminal blocks and modules within an enclosure.
NOTE: Modules and terminal blocks must be installed
into the lowest available spaces and continue toward the
top of the enclosure.
Terminal Block & Module Locations (Single-wide Enclosure)
GROUNDING
TERMINAL
BLOCK
TERMINAL
BLOCK
MODULE
NOTE: When connecting to an Arc Fault Breaker, the
load should not exceed 1000 watts per breaker.
Industry Compliance
This product is Listed to applicable UL Standards and
requirements by Underwriters Laboratories Inc.
Terminal Block & Module Locations (Double-wide Enclosure)
TERMINAL BLOCK
(LEFT)
MODULE
TERMINAL BLOCK
(RIGHT)
(E103692)
Installation
The terminal block and module must be mounted into a
Crestron Automation Enclosure by a licensed electrician,
in accordance with all national and local codes.
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°F to 104°F (0°C to
40°C). The relative humidity must be 0% to 90% (noncondensing).
Terminal blocks are installed along the left side of singlewide enclosures and along the outside edges (left and
right sides) of double-wide enclosures. Modules are
installed along the right side of single-wide enclosures
Crestron Electronics, Inc. Installation Guide – DOC. 6280B
15 Volvo Drive Rockleigh, NJ 07647 (2010978)
Tel: 888.CRESTRON 11.06
Fax: 201.767.7576 Specifications subject to
www.crestron.com change without notice.
GROUNDING TERMINAL BLOCKS
Terminal Block & Module Crestron CLT- & CLX-2DIM8
NOTE: 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.
If you require an assembled UL Listed panel, Crestron
offers this service through its UL Listed panel shop. This
includes complete in factory system configuration and
assembly by Crestron for an additional fee.
Terminal Block Installation and Field Wiring
NOTE: Both left-side and right-side adhesive wiring
labels are provided. The left-side labels are used in both
single and double-wide enclosures. The right-side labels
are only used in double-wide enclosures.
1. Remove the backing from the left or right
adhesive wiring label.
2. Apply the adhesive label by aligning the holes in
the label with the holes on the Crestron
Automation Enclosure where the terminal block
is to be mounted. The wiring label lies beneath
the terminal block as shown in the two wiring
diagrams on this page.
3. Use the two supplied self-tapping pan Phillips
screws (8B x ¼ length) to secure the terminal
block to the Crestron Automation Enclosure.
CAUTION: Bypass jumpers are provided to allow
testing of circuits and to protect the module during
installation. When properly secured by five screws,
each of the two jumpers on the black and red sections
of the terminal block shorts the LINE in to DIM out
so that the circuit is energized. Do not remove any
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” on next page.
Furthermore, the two jumpers on the white sections
of the terminal block tie the neutral ins to the neutral
outs. These jumpers should never be removed.
5. Grounding terminal blocks are available in the
cabinet for termination of ground wires. Tighten
to 35 in-lbs. (14 – 10 AWG), 40 in-lbs.
(8 AWG), or 45 in-lbs. (6 – 4 AWG).
6. Test each circuit for electrical faults by turning
on each of the circuit breakers, checking that the
breakers do not trip, and that power is delivered
to the proper loads.
Wiring Diagram of the Terminal Block to the Feed and
Load(s)(Single-wide and Left Side Double-wide Enclosures)
LINE 1
FROM 15 OR 20 AMP
CIRCUIT BREAKER
NEUTRAL
LINE 2
FROM 15 OR 20 AMP
CIRCUIT BREAKER
NEUTRAL
GND
TO
LOAD(S)
AREA FOR
GROUNDING
TERMINAL
BLOCK
MODULE
LOCATION
LABEL
LEFT SIDE
WIRING LABEL
TERMINAL
BLOCK
Wiring Diagram of the Terminal Block to the Feed and
Load(s) (Right Side Double-wide Enclosures)
BYPASS
JUMPERS
GND
GROUNDING
TERMINAL
BLOCK
NEUTRAL
LINE 2
FROM 15 OR 20 AMP
CIRCUIT BREAKER
NOTE: Use copper conductors only – rated 75°C
NEUTRAL
4. With the circuit breakers turned off, connect the
circuit feed (LINE and NEUTRAL) and
controlled circuit (LOAD) wires to the terminal
block per the markings provided on the wiring
label (as shown in the diagrams on this page).
Terminal blocks accept one 14 - 10 AWG wire.
Wires should be stripped to ½ inch. Tighten
terminal blocks to 9 in-lbs.
2 • Terminal Block & Module: CLT- & CLX-2DIM8 Installation Guide – DOC. 6280B
BYPASS
JUMPERS
TERMINAL
BLOCK
RIGHT SIDE
WIRING LABEL
AREA FOR
MODULE
LOCATION
LABEL
TO
LOAD(S)
LINE 1
FROM 15 OR 20 AMP
CIRCUIT BREAKER
Crestron CLT- & CLX-2DIM8 Terminal Block & Module
D
S
Module Installation
CAUTION: Module contains electrostatic sensitive
devices (ESDs); unit must be handled from metal chassis
– do not touch PC board or components.
NOTE: Modules are to be installed after enclosure has
been completely wired. Refer to the terminal block
installation procedure on page 2 for details.
1. Use the four supplied self-tapping pan Phillips
screws (8B x ¼ length) to secure the module to
the enclosure.
2. As shown in the wiring diagrams (next column),
connect the wires from the 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 pre-stripped to ½ inch. Tighten to 9 in-lbs.
3. If the module is being installed above another
module within the enclosure, attach the supplied
module interconnect cable between the two
modules. The illustration below depicts 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.
Use Module Interconnect Cable to Wire Module to Module
MODULE
INTERCONNECT
CABLE ATTACHE
CONNECTION
NOT
MADE
control to the system, should be properly connected
and contain a valid program to provide control of the
module.
Wiring Diagram of the Terminal Block to the Module
(Single-wide and Left Side Double-wide Enclosures)
BLACK FROM BREAKER
RED
TO LOADS
WHITE FROM BREAKER PANEL
WHITE
TO LOADS
BLACK FROM BREAKER
RED
TO LOADS
WHITE FROM BREAKER PANEL
WHITE
TO LOADS
ATTACH MODULE
INTERCONNECT CABLE
AS DESCRIBED IN STEP 3
ENLARGEMENT DETAIL:
LOCATION OF BYPASS JUMPERS
JUMPER
REMOVED
JUMPER
INSTALLED
Wiring Diagram of the Terminal Block to the Module
(Right Side Double-wide Enclosures)
ON TERMINAL BLOCK AS
DESCRIBED IN STEP 5.
JUMPERS ON RED AND BLACK
AFTER LOOSENING ALL SCREWS.
JUMPERS ON WHITE SECTIONS
REMAIN IN
TALLED.
WHITE
TO LOADS
WHITE FROM BREAKER PANEL
RED
TO LOADS
BLACK FROM BREAKER
WHITE
TO LOADS
WHITE FROM BREAKER PANEL
RED
TO LOADS
BLACK FROM BREAKER
4. Turn on the circuit breakers and verify that the
green PWR LED on the module lights, the
breakers do not trip, and power is delivered to
the loads.
5. Turn off the circuit breakers and remove the
bypass jumpers on the black and red sections of
the terminal block. The jumpers on the white
sections of the terminal block must remain
installed. Refer to the figures in the next column
for a close-up of the jumpers.
NOTE: Before the bypass jumpers, shown in the
ATTACH MODULE
INTERCONNECT CABLE
AS DESCRIBED IN STEP 3
ENLARGEMENT DETAIL:
LOCATION OF BYPASS JUMPERS
ON TERMINAL BLOCK AS
DESCRIBED IN STEP 5.
JUMPERS ON RED AND BLACK
SECTIONS HAVE BEEN REMOVED
AFTER LOOSENING ALL SCREWS.
JUMPERS ON WHITE SECTIONS
REMAIN INSTALLED.
6. Turn on the circuit breakers.
JUMPER
INSTALLED
JUMPER
REMOVED
illustration, are removed, the Crestron Professional
Automation Computer (PAC2), which provides
Installation Guide – DOC. 6280B Terminal Block & Module: CLT- & CLX-2DIM8 • 3
Terminal Block & Module Crestron CLT- & CLX-2DIM8
NOTE: Power must be supplied to LINE 1 for the
module to communicate with the control system or
for any of the circuits to operate.
7. If the program is not running yet, loads can be
tested by using Local Mode.
Use Local Mode to verify that each load is connected to
the proper output on the modules.
1. Press the SETUP button momentarily (less than
three seconds) to enter Local Mode.
The SETUP LED and output LED 1 illuminate
and power is applied to the loads connected to
the DIM1 output.
2. Press the SETUP button again to turn off output
1 and turn on output 2.
3. Press the SETUP button again for each output.
4. After turning on the last output, press the
SETUP button again to turn on all outputs.
5. Press the SETUP button once more to turn off
all outputs and LEDs and exit Local Mode.
Further Inquiries
If you cannot locate specific information or have
questions after reviewing this guide, please take
advantage of Crestron's award winning customer service
team by calling the Crestron corporate headquarters at
1-888-CRESTRON [1-888-273-7876]. For assistance in
your local time zone, refer to the Crestron website
(
www.crestron.com
offices.
You can also log onto the online help section of the
Crestron website to ask questions about Crestron
products. First-time users will need to establish a user
account to fully benefit from all available features.
) for a listing of Crestron worldwide
Return and Warranty Policies
Merchandise Returns / Repair Service
1. No merchandise may be returned for credit, exchange or service
without prior authorization from CRESTRON. To obtain
warranty service for CRESTRON products, contact an authorized
CRESTRON dealer. Only authorized CRESTRON dealers may
contact the factory and request an RMA (Return Merchandise
Authorization) number. Enclose a note specifying the nature of
the problem, name and phone number of contact person, RMA
number and return address.
2. Products may be returned for credit, exchange or service with a
CRESTRON Return Merchandise Authorization (RMA) number.
Authorized returns must be shipped freight prepaid to
CRESTRON, 6 Volvo Drive, Rockleigh, N.J. or its authorized
subsidiaries, with RMA number clearly marked on the outside of
all cartons. Shipments arriving freight collect or without an RMA
number shall be subject to refusal. CRESTRON reserves the right
in its sole and absolute discretion to charge a 15% restocking fee
plus shipping costs on any products returned with an RMA.
3. Return freight charges following repair of items under warranty
shall be paid by CRESTRON, shipping by standard ground
carrier. In the event repairs are found to be non-warranty, return
freight costs shall be paid by the purchaser.
CRESTRON Limited Warranty
CRESTRON ELECTRONICS, Inc. warrants its products to be free from
manufacturing defects in materials and workmanship under normal use
for a period of three (3) years from the date of purchase from
CRESTRON, with the following exceptions: disk drives and any other
moving or rotating mechanical parts, pan/tilt heads and power supplies
are covered for a period of one (1) year; touchscreen display and overlay
components are covered for 90 days; batteries and incandescent lamps
are not covered.
This warranty extends to products purchased directly from CRESTRON
or an authorized CRESTRON dealer. Purchasers should inquire of the
dealer regarding the nature and extent of the dealer's warranty, if any.
CRESTRON shall not be liable to honor the terms of this warranty if the
product has been used in any application other than that for which it was
intended or if it has been subjected to misuse, accidental damage,
modification or improper installation procedures. Furthermore, this
warranty does not cover any product that has had the serial number
altered, defaced or removed.
This warranty shall be the sole and exclusive remedy to the original
purchaser. In no event shall CRESTRON be liable for incidental or
consequential damages of any kind (property or economic damages
inclusive) arising from the sale or use of this equipment. CRESTRON is
not liable for any claim made by a third party or made by the purchaser
for a third party.
CRESTRON shall, at its option, repair or replace any product found
defective, without charge for parts or labor. Repaired or replaced
equipment and parts supplied under this warranty shall be covered only
by the unexpired portion of the warranty.
Except as expressly set forth in this warranty, CRESTRON makes no
other warranties, expressed or implied, nor authorizes any other party to
offer any warranty, including any implied warranties of merchantability
or fitness for a particular purpose. Any implied warranties that may be
imposed by law are limited to the terms of this limited warranty. This
warranty statement supersedes all previous warranties.
Trademark Information
All brand names, product names, and trademarks are the sole property of their respective
owners. Windows is a registered trademark of Microsoft Corporation. Windows95/98/Me/XP
and WindowsNT/2000 are trademarks of Microsoft Corporation.
4 • Terminal Block & Module: CLT- & CLX-2DIM8 Installation Guide – DOC. 6280B
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