Crestron CLS-EXP-DIMFLV Installation guide

Crestron CLS-EXP-DIMFLV Installation guide
0-10 V Fluorescent Dimmer Expansion Module
Installation Guide
Additional Resources
The Crestron® CLS-EXP-DIMFLV enables the expansion of iLux® Integrated Lighting
System (CLS-C6 Series) and other Crestron lighting dimmers to allow control of 0-10
volt fluorescent dimming ballasts. It can also be used to switch nondimmable loads
including LED, incandescent, MLV, ELV, HID, fluorescent ballasts, and motors. The
CLS-EXP-DIMFLV supports 120, 230, or 277 volt loads up to 16 amps.
Any output channel of the iLux system can be used to control the CLS-EXP-DIMFLV to
dim a fully loaded circuit. It is also compatible with CLW-series in-wall dimmers and select
CLX-series lighting control modules. The metal enclosure is designed for mounting to
a vertical surface and can be installed in an environmental air-handling space above a
suspended ceiling. Conduit knockouts are provided on the bottom and lower sides. All
connections are made via screw terminals behind the front cover.
NOTE: CLX-series lighting control modules are compatible only with forward-phase
dimming modules.
CLS-EXP-DIMFLV Specifications
Visit the product page on the Crestron website (
for additional information and the latest firmware updates. Use a QR
reader application on your mobile device to scan the QR image.
Lamp Load Rating
Motor Load Rating
16 Amps @ 120 to 277 Volts;
0.5 HP @ 120 Volts, 1 HP @ 230/277 Volts
Minimum Load
at 120 volts
at 230 volts
at 277 volts
15 watts
25 watts
30 watts
Load Types
Dimmable Load
0-10 Volt fluorescent ballast or LED driver (4-wire)
Switch Load
LED, incandescent, fluorescent, magnetic low voltage,
electronic low voltage, neon/cold cathode, high-intensity
discharge (HID), motors
4.99 in
(127 mm)
Ø 0.19 in
(5 mm)
120–277 Vac, 50/60 Hz
Control Input
120–230 Vac, 50/60 Hz, phase independent of line power
and load;
Presents a 25 watt load to the controlling device
Electrical Terminals
Captive screw type;
Accommodates two 22–12 AWG (0.34–4.0 mm2)
Surface mount module with (2) integral mounting
flanges, galvanized steel with gray matte powder
coat front panel, extruded aluminum heat sink,
(4) 1/2 in (13 mm) and 3/4 in (20 mm) conduit
knockouts provided on bottom and lower left and
right sides
Module Installation
1.64 in
(42 mm)
1.64 in
(42 mm)
Mounting surface
CLS-EXP-DIMFLV Hardware Connections
CTRL: Control input from CLS(I)-C6 Series,
CLW-DIM Series, CLX(I)-DIM Series, GLX-DIM6,
NEUT: Neutral connection for control input
8.31 in
(212 mm)
8.82 in
(224 mm)
7.31 in
(186 mm)
Input Voltages
Line Power
NOTE: Install in accordance with all local and national electrical codes.
NOTE: To prevent potential heat damage to the drywall, do not mount the
CLS-EXP-DIMFLV directly onto drywall. Mount a piece of 1/2 in (13 mm) minimum thick
plywood between the CLS-EXP-DIMFLV and the drywall.
Physical Description
Load Ratings
Refer to the following diagram when installing a CLS-EXP-DIMFLV module.
NOTE: To ensure proper ventilation, the device must be installed vertically on a vertical
surface. Install the device with 6 inches (153 mm) of clearance from the top and bottom
of the device.
This section provides information on the connections and indicators available on the
CLS-EXP-DIMFLV Overall Dimensions - Front View
5.79 in
(148 mm)
Dimmer Channels
CLS-EXP-DIMFLV Overall Dimensions - Rear View
6.39 in
(163 mm)
Ø 0.25 in
(7 mm)
0.50 in
(13 mm)
CLS-EXP-DIMFLV Overall Dimensions - Side View
3.18 in
(81 mm)
3.07 in
(78 mm)
SW OUT: Switched load output
HOT: Line power input
NEUT: Neutral connection for line power input and
(2) Captive screw terminals,1 dimming control
Class 1 or Class 2 wiring allowed;
Control voltage: 0-10 Vdc, 70 mA
Heat Dissipation
#8 mounting screw
(not included)
32° to 104 °F (0° to 40 °C)
10% to 90% RH (noncondensing)
70 Btu/h at maximum load, 16 amps
8.82 in (224 mm)
6.39 in (163 mm)
3.18 in (81 mm)
3.3 lbs (1.5 kg)
Maximum Expansion Modules per
Controller Output
1.56 in
(40 mm)
2.02 in
(53 mm)
(1) 3-terminal chassis ground bus
To wire the CLS-EXP-DIMFLV, remove the cover and make the connections.
WARNING: RISK OF SERIOUS PERSONAL INJURY. Turn off power at the circuit
breaker(s) prior to installation. Installing with the power on can result in serious personal
injury and damage to the device.
Remove the Cover
Use a #2 Phillips screwdriver to remove the cover screws and then the cover.
Remove Cover Screws
Make the Connections
There are seven captive screw terminals on the CLS-EXP-DIMFLV that allow power input,
power output, and load control.
NOTE: Observe the following points:
• Strip wires to 7/16 in (12 mm).
• Tighten terminal screws to 7 in-lbs (0.79 Nm).
• Captive screw terminals accept up to two 22 to 12 AWG (0.34 to 4 mm2) wires per
Problem Solving
The following table provides corrective action for possible trouble situations. If further
assistance is required, please contact a Crestron customer service representative.
CLS-EXP-DIMFLV Troubleshooting
Possible Cause(s)
Corrective Action
The load does not turn on.
The controlling dimmer or
switch is not working.
Make sure that the
controller is powered on.
Make sure that a
compatible dimmer is being
No power is applied to the
HOT terminal.
Check the circuit breaker.
Check that the green power
LED inside the unit is lit.
The controlling unit is either
not a dimmer or has been
set to non-dim.
Verify that dimmer is
compatible with the
Specifications" on page 1.
• Dimmer channels controlling one or more CLS-EXP-DIMFLV modules must not be
wired to control any other type of load.
• While these diagrams show a CLS-C6 as the controlling source, other Crestron
products such as CLW-series wall dimmers (Cresnet® and infiNET™ dimmers) and
CLX-series dimming modules can be used as well. Refer to “CLS-EXP-DIMFLV
Specifications” on page 1 for details.
• Use a neutral wire for a CLW-Series wall dimmer.
The load turns on and off
but does not dim.
• Use 75°C copper wire only.
• The CLS-EXP-DIMFLV presents a 25 W load to the controlling dimmer. A maximum
of five CLS-EXP-DIMFLV modules may be connected to the controlling dimmer,
which cannot be wired to control any other loads besides the CLS-EXP-DIMFLV
• Separate Class 1 and Class 2 wires. When wiring a 0-10 V fluorescent dimmer, the
+ and – make connections using Class 1 or Class 2 wiring. If Class 1 wiring is used,
the barrier between the NEUT and + terminals can be removed.
Wire the CLS-EXP-DIMFLV for a 0-10 V dimming or a switching application.
CLS-EXP-DIMFLV Wiring for 0-10 V Dimming
(120 to 277 Vac)
Verify that the controlling
channel has not been
programmed as non-dim.
The lights do not dim
An incompatible dimmer is
being used.
Make sure that the dimmer
is one of those listed
Specifications" on page 1.
(120 to 230 Vac)
0-10 V fluorescent
dimming ballast
CLS-EXP-DIMFLV Wiring for Switching Application
(120 to 277 Vac)
(120 to 230 Vac)
Switched load
After wiring is complete, replace the cover and the cover screws. Apply power to the line or
load and turn on the controlling device. The power indicator LED lights indicating that power
is supplied to the module.
This product is Listed to applicable UL® Standards and requirements tested by Underwriters
Laboratories Inc.
CAUTION: Changes or modifications not expressly approved by the manufacturer responsible for
compliance could void the user’s authority to operate the equipment.
Ce produit est homologué selon les normes et les exigences UL applicables par Underwriters
Laboratories Inc.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in
a particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
Federal Communications Commission (FCC) Compliance Statement
This device complies with part 15 of the FCC Rules. Operation is subject to the following conditions:
(1) This device may not cause harmful interference and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is
Consult the dealer or an experienced radio/TV technician for help.
The product warranty can be found at
The specific patents that cover Crestron products are listed at
Certain Crestron products contain open source software. For specific information, please visit
Crestron, the Crestron logo, Cresnet, iLux, and infiNET are either trademarks or registered trademarks
of Crestron Electronics, Inc. in the United States and/or other countries. Crestron and the Crestron logo
are either trademarks or registered trademarks of Crestron Electronics, Inc. in the United States and/
or other countries. UL and the UL logo are either trademarks or registered trademarks of Underwriters
Laboratories, Inc. in the United States and/or other countries. Other trademarks, registered trademarks,
and trade names may be used in this document to refer to either the entities claiming the marks and
names or their products. Crestron disclaims any proprietary interest in the marks and names of others.
Crestron is not responsible for errors in typography or photography.
This document was written by the Technical Publications department at Crestron.
©2017 Crestron Electronics, Inc.
Crestron Electronics, Inc.
15 Volvo Drive Rockleigh, NJ 07647
Fax: 201.767.7576
Installation Guide - DOC. 6680C
Specifications subject to
change without notice.
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