Crestron GLS-ODT-C-500/1000/2000
Dual-Technology Ceiling Mounted
Occupancy Sensor
Operations & Installation Guide
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 Crestron at 1-888-CRESTRON [1-888-273-7876]. For
assistance in your region, please refer to the Crestron Web site (www.crestron.com) for a listing of Crestron
worldwide offices.
You can also log onto the online help section of the Crestron Web site (www.crestron.com/onlinehelp) to ask
questions about Crestron products. First-time users will need to establish a user account to fully benefit from all
available features.
Future Updates
As Crestron improves functions, adds new features and extends the capabilities of the GLS-ODT-C units,
additional information may be made available as manual updates. These updates are solely electronic and serve
as intermediary supplements prior to the release of a complete technical documentation revision.
Check the Crestron Web site periodically for manual update availability and its relevance. Updates are identified
as an “Addendum” in the Download column.
WARNING: To avoid fire, shock, or death; turn off power at circuit breaker or fuse and test that power is off before
wiring!
CAUTION: Insufficient power can lead to unpredictable results or damage to the equipment. Please use the
Crestron Power Calculator to help calculate how much power is needed for the system
(www.crestron.com/calculators).
NOTES: Observe the following points.
• To be installed and/or used in accordance with appropriate electrical codes and regulations.
• If you are unsure about any part of these instructions, consult a qualified electrician.
• Sensors must be mounted on a vibration free surface.
• All sensors must be mounted at least 6 feet (1.8 m) away from air vents.
• Do not mount sensors closer than 10 feet (3 m) from each other.
• Do not touch the inner surface of the lens. Clean outer surface with a damp cloth only.
Crestron Electronics, Inc. Operations & Installation Guide - DOC. 6769C
15 Volvo Drive Rockleigh, NJ 07647 (2023016)
Tel: 888.CRESTRON 09.11
Fax: 201.767.7576 Specifications subject to
www.crestron.com change without notice.
This product is Listed to applicable
UL Standards and requirements by
Underwriters Laboratories Inc.
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.
SETUP
Network Wiring
When wiring the Cresnet® network, consider the following:
• Use Crestron Certified Wire.
• Use Crestron power supplies for Crestron equipment.
• Provide sufficient power to the system.
Preparing and Connecting Wires
Strip the ends of the wires approximately 1/2 inch (13 mm). Use care to avoid nicking the
conductors. Twist together the ends of the wires that share a connection and tin the
twisted connection. Apply solder only to the ends of the twisted wires. Avoid tinning too
far up the wires or the end becomes brittle.
DESCRIPTION
The Occupancy Sensor is a low-voltage infrared and ultrasonic sensor that works with the
GLS-SIM (or other compatible interface) to automatically control lighting. The exact behavior
of the sensor can be configured via software, but the sensor is typically used to turn lights on
when a room or area is occupied, and to shut them off when the room or area is vacated.
The sensor continually analyzes and adjusts to changing conditions. The sensor uses the
latest microprocessor-based technology which permits it to continually adjust and optimize its
performance. The combination of ultrasonic (doppler shift) motion detection, which gives
maximum sensitivity, and infrared motion detection, which gives higher false triggering
immunity, yields a sensor with excellent performance.
Model/Feature Basics
Model No.
GLS-ODT-C-500
GLS-ODT-C-1000
GLS-ODT-C-2000
Description
1-Way Dual-Technology
2-Way Dual-Technology
2-Way Dual-Technology
Current
Consumption
30mA
40mA
32mA
Operating
Frequency
40KHz
40KHz
32KHz
Coverage
500 sq. ft
(46.45 sq. m)
1000 sq. ft.
(92.9 sq. m)
2000 sq. ft.
(185.8 sq. m)
Suggested
Location
Mount in corner/
over doorway
Mount in center
of room/area
Mount in center
of room/area
INSTALLATION INSTRUCTIONS
These instructions include three typical installation options (A, B, and C). Choose one that
best suits your needs. Other methods may be possible but they are not described here.
Parts Supplied
Sensor (1) Threaded Rod (1) and Hex nut (1)
#8-32 x 1/2 inch screw (2) Half Mask (1)
#8-32 x 1-1/2 inch screw (2) 360º Perforated Mask (1)
#8x32 Washer and Nut (2) Plastic Washer (1)
Tools/Equipment Required (not supplied)
Phillips Screwdriver Electrical Tape
Pliers Pencil
Diagonal Cutters
Option A. Drop Ceiling Installation Using Supplied Threaded Rod
1. Select the location for mounting the sensor and proper masking for your
application. (Refer to Mounting/Masking Location Diagram).
2. Use the supplied threaded rod or other means to make a hole (1/2 to 1 inch [13 to
26 mm]) in the ceiling tile just large enough to pass the shaft of the threaded rod
through.
3. Insert the sensor wires through the flared end of the threaded rod. Position the
threaded rod to the base of the sensor.
4. Insert the flared end of the threaded rod into the opening in the bottom of the
sensor and twist to lock into place.
5. Push the wires into the hole in the ceiling tile and insert the threaded rod until the
sensor is flush with the tile.
6. Insert wires through the hole in the included washer, then place the washer over
the rod and secure in position using the included hex nut.
7. Connect low voltage wires from the GLS-SIM or other Crestron
the wiring diagram. Twist strands of each lead tightly and, with circuit conductors,
push firmly into appropriate wire connector. Screw connectors on clockwise making
sure that no bare conductor shows below the wire connectors. Secure each
connector with electrical tape.
8. Rotate the sensor to the desired orientation. Note that the sensor base and
backcover are keyed. To lock the device in place, ensure that the arrows are not
aligned.
9. Restore power at circuit breaker or fuse. INSTALLATION IS COMPLETE.
Mounting to Drop Ceiling Using Threaded Rod
Low-Voltage Wires
Drop Ceiling
1" thick maximum
Washer
Nut
Threaded Rod
NOTE: Wires routed through
the Threaded Rod
®
device as shown in
GLS-SIM (Optional)
Option B. Drop Ceiling Installation Using Screws
NOTE: You may use the mounting screws, nuts and washers included, or screws in
combination with commercially available wall anchors.
1. Select the location for mounting of the sensor and proper masking for your application
(Refer to Mounting/Masking Location Diagram).
2. Make a hole in the ceiling tile large enough to pass the wire connections and wire nuts
through (approximately 1 inch [26 mm] diameter).
3. Remove the back cover of the sensor. Hold the back cover and body of the sensor and
rotate until the two arrows line up, and pull them apart.
4. Install back cover of the ceiling sensor to the wallboard or drop ceiling using the
included screws, nuts and washers, or screws in combination with commercially
available wall anchors.
Option B. Drop Ceiling Installation Using Screws (Cont’d)
5. Connect low voltage wires from the GLS-SIM or other Crestron device as shown in the
wiring diagram. Twist strands of each lead tightly and, with circuit conductors, push
firmly into appropriate wire connector. Screw connectors on clockwise making sure
that no bare conductor shows below the wire connectors. Secure each connector with
electrical tape.
6. Push wire connections through the center hole of the back cover and into the ceiling.
7. Secure the sensor body to the back cover by aligning the arrows. Lock it by turning
the sensor such that the arrows do not line up.
8. Rotate the sensor to the desired orientation.
9. Restore power at the circuit breaker or fuse. INSTALLATION IS COMPLETE.
Mounting to Drop Ceiling Using Screws
Low-Voltage Wires
Wallboard
Ceiling
Nut (2 places)
Washer (2 places)
Sensor
Back Cover
Mounting Screws
(2 places)
Keylock Arrow
Sensor Base
Sensor Front Cover
Back Cover shown mounted
on ceiling with screws
Back Cover open center to
route Low-Voltage Wires
Mounting Screw
Back Cover internal
surface shown
Option C. Back Box or Surface Mount Raceway Installation
1. Select the location for mounting of the sensor and proper masking for
your application (Refer to Mounting/Masking Location Diagram).
2. Refer to the suggested mounting option illustrations below.
Mounting to Octagon Back Box Installed Flush to Drop Ceiling
Octagon Back Bo x
4" x 1 1/2" de ep
GLS-SIM (Optional)
Low-Voltage
Wires
#8-32 Screws
(2 places)
Mounti ng to Roun d Fixture wit h Racew ay for Wallbo ard Ceiling Inst allation
Wire Mold Back Cover
Back Cover Screws
(4 places)
GLS-SIM
(Optional)
Mounting Screws
(4 places)
Wallboard Ceiling
Wire Mold Raceway
(use applicable fittings)
Drop Ceiling
Wire Mold Round Fixture
(for raceway mount)
Low-Voltage Wires
MOUNTING/MASKING LOCATION DIAGRAM
The supplied masks mount in the sensor front cover. The half mask is supplied
pre-mounted to demonstrate the mounting method. The perforated mask has twelve
30º removable segments that allow you to mask particular areas to prevent undesireable triggers from affecteng the sensor operation. The following illustrations provide
typical application examples.
Mask
Masking is not required in a corner
mounting application. The sensor
can not see hallway traffic.
By masking two sections,
you can block hallway traffic
TYPICAL APPLICATION DIAGRAMS
Up to Three
Crestron
2-Series Control
Processor or
Cresnet
®
GLS-SIM
in
Parallel
CLS-C6
GLS-ODT-C-500/1000/2000
Crestron
2-Series Control
Processor
Cresnet
®
DIN-IO8
GLS-ODT-C-500/1000/2000
SPECIAL PROGRAMMING
To ensure correct processing of the sensor’s output from all interface devices (other than
the GLS-SIM), the SIMPL program for the control processor must disable the pull-up
resistor built in to the Versiport input connector. This is accomplished by setting the
“pu-disable” digital input signal to a “1.” The Versiport output can also be inverted using
logic such as a NOT symbol to generate a logic “high” when the room is occupied.
WIRING DIAGRAMS
Connecting Sensors to the GLS-SIM
All wires from sensor to GLS-SIM
must be 24 AWG minimum.
(If GLS-SIM is not located adjacent
to the sensor, use CRESNET-P or
CRESNET-NP wire.)
Blue*
Black
Sensor
optional
()
Red
*To incorporate the internal photocell, connect
gray wire to GLS -SIM and cap off blue wire
from sensor.
Black
#3
Blue*
optional
()
Red Red
Black
Sensor
#2
Blue*
Sensor
#1
Connecting Sensors to the DIN-IO8 or Equivalent
Blue or
White
2
Blue
2
Gray
Black
Red
1
The following Crestron devices may be used
to integrate the sensors into a Cresnet system
by following the schematic shown here:
DIN-IO8 DIN-AP2 PAC2 PRO2
AV2 CP2E MP2E CNXIO16
Any Crestron product with Versiports
(cap off)
Sensor
CRESNET-P or
#1
CRESNET-NP wire
recommended,
250 feet (76 m) max.
Red
Black
G 1 2 3 4
–––
–––
24 Y Z G
NOTE: The same Crestron power supply MUST be used to
power b oth the sensors and the interface device (e.g., DIN-IO8).
Otherwise, there is a risk of damage to the interface device.
2
To incorporate the internal photocell, connect the gray wire to
the DIN-IO8 (or other interface device) and cap off the blue wire
from the sensor.
(cap off)
Gray*
1
I/O
DIN-IO8
NET
–––
24 Y Z G
ON
1234
GLS-S IM
––– NET–––
24 Y Z G
G 1 2 3 4
–––
Use CRESNET-P or
CRESNET-NP wire only
DIP Switch Settings
ON
1234
Use CRESNET-P or
CRESNET-NP wire only
1
2
3
4
–SENSOR–
24 1 2 G
ON
ON
ON
ON
To Control
If using
input 1
If using
input 2
To Control
System
System
X
OPERATION
The descriptions below refer to a system which has been configured to turn the lights
on when a room or area is occupied, and turn them off when the room or area is
vacated.
• Dual-Tech Mode. This is the default mode of operation for the sensor. Passive
infrared technology (PIR) turns lights on in this mode; however, motion detection by
either technology (PIR or ultrasonic) will keep the lights on. If neither technology
detects motion, the lights turn off after the delayed-off time.
• Single-Tech Mode. Only one technology is active in this mode. The technology is
selected by the dip switches. Motion detection by the selected technology - PIR or
ultrasonic - will turn on the lights as well as keep them on. When motion is not
detected, the lights will turn off after the delayed-off time.
• Delayed-Off Time. The sensor is designed to turn the lights off if no motion is
detected after a specified time. This length of time is called the delayed-off time and
is set using the timer (black) knob on the sensor. The adapting patterns will modify
the delayed-off time to fit the parameters of each installation based on environmental conditions and occupancy patterns.
• Walk-through Mode. The walk-through feature is useful when a room is momen-
tarily occupied. With this feature, the sensor will turn the lights off shortly after the
person leaves the room.
The walk-through feature works as follows: When a person enters the room, the
lights will turn on. If the person leaves the room before the walk-through time-out of
2.5 minutes, the sensor will turn the lights off. If the person stays in the room for
longer than 2.5 minutes, the sensor will proceed to the Occupied mode.
• LED Operation. There are two LED indicators that will flash when motion is
detected. The LED flash can be disabled using the LED disable switch setting.
Green flashes indicate motion detection by ultrasonic technology. Red flashes
indicate motion detection by infrared technology.
ADAPTIVE FUNCTIONS
The sensor continually analyzes the parameters of the motion detection signal and
adjusts its internal operation to maximize detection of motion while minimizing the
effects of noise (electrical noise, air currents, temperature changes, etc.).
Operation
When the lights turn on, the sensor initially begins the Walk-through mode. Once the
room is occupied for longer than 2.5 minutes, the sensor ends the Walk-through mode
and begins the Occupied mode. When the sensor is first installed, the delayed-off time
for the Occupied mode is based on the time adjustment settings. While the sensor is in
use, the delayed-off time will change, based on how the sensor adapts to the room
conditions. Whenever the sensor subsequently turns on, the value of the delayed-off
time will be the adapted value (refer to Occupancy Pattern Learning For Delayed Off
Time).
The adapted settings can be reset using the DIP switch.
Occupancy Pattern Learning For Delayed Off Time
The sensor will automatically change the delayed off time in response to the occupancy
and environmental conditions of the space where it is installed. The sensor analyzes the
motion signal properties and will minimize the delayed off time duration when there is
frequent motion detection, and lengthen the delayed off time duration when there is
weak and infrequent motion detection.
In the case of a false-off condition (lights turn off when the room is occupied), the
delayed off time duration will immediately be lengthened to prevent further false turn offs.
Occupancy Pattern Learning for Ultrasonic Technology
The sensor learns the occupancy patterns of a space during the course of a day, for a
seven day period. At any given time, the sensor will look at the collected data and adjust
its ultrasonic sensitivity. The sensor will adjust the sensitivity to make it less likely to turn
on during a period of non-occupancy and more likely to turn on during a period of
occupancy. This adapting feature is not applicable when the sensor is using PIR
functions only.
ADJUSTMENT KNOB AND SWITCH SETTINGS
The two tables (below and in the next column) and the “Minimum and Default Settings”
illustration define the settings of the adjustment knobs and the DIP switches.
Adjustment Knob Settings
KNOB
COLOR
Green
Red
Black
Blue
SYMBOL
.
Sets the ultrasonic range
Sets the infrared range
Delayed- Off Time
Ambient Light Override
(Gray wire only)
FUNCTION
KNOB SETTING
Range setting
Full CCW = min. (OFF)
Full CW = max.
Range setting
Full CCW = min. (OFF)
Full CW = max.
Full CCW = min. (30 sec.)
Full CW = max. (30 min.)
Full CCW – Lights stay OFF
Full CW – Lights always turn ON
(NO ambient light override)
Range– 100-3000 LUX
DEFAULT
SETTING
50%
75%
50%
(10 min)
100%
DIP Switch Settings
SWITCH FUNCTIONS
SWITCH
Bank A OFF ON
Single/Dual-Tech Mode Dual-Tech Single Tech
A1
PIR/Ultrasonic Mode PIR Ultrasonic
A2
*
Manual Mode Auto Adapting Enabled Auto Adapting Disabled
A3
Walk-Through Disable Walk-Through Enabled Walk-Through Disabled
A4
Bank B
Override to ON Auto Mode Lights Forced ON
B1
Override to OFF Auto Mode Lights Forced OFF
B2
Test Mode OFF ON OFF = Enter/Exit Test Mode
B3
LEDs Disable LEDs Enabled LEDs Disabled
B4
SWITCH SETTINGS
* This setting is only used if the Single Technology Option (Switch A1) is selected.
Minimum and Default Settings
A
11
B
A
11
B
B3
ON ON
DIP Switches
Minimum Setting
MIN
Adjust Knob Rotation Direction
MA
Delayed Off Time Selection (Black Knob)
ON ON
Factory Default Setting
10 min
5 min
30 sec
20 min
30 min
TEST MODE
Set the delayed-off time to six seconds for performing a walk test. While the sensor is
in Test mode, the LEDs will flash amber once a second.
1. ENSURE POWER IS ON.
2. Remove front cover.
3. Locate Dip Switch 3 in Bank B (B3). B3 will be in the OFF position from the factory.
4. To start Test mode, move switch to ON and back to OFF. The Test mode has now
been initiated with a six second time-out. (Refer to the DIP Switch Settings table.)
NOTE: If B3 is already in the ON position, then Test mode can be entered by just moving it
to the OFF position.
NOTE: The timer will remain in the six second Test mode for 15 minutes, then automatically
exit Test mode and reset to the delayed-off time setting as defined by the black timer knob.
NOTE: To manually take the timer out of the six second Test mode, simply toggle the switch
B3 from OFF to ON and back to OFF.
PHOTOCELL (AMBIENT LIGHT OVERRIDE) ADJUSTMENT
In order to use the ambient light override functionality of the sensor, the sensor must be
wired to the GLS-SIM (or other compatible interface) using the gray wire instead of the blue
wire. This feature allows the user to conserve energy by keeping the controlled lights off
when not necessary. The sensor does this by measuring the amount of ambient light in the
installed area and keeping the controlled lights off if there is enough ambient light
available. To use this feature, the photocell adjustment (blue) knob must be adjusted from
the default position. Once this adjustment is made, the controlled lights will only turn on if
the ambient light present is less than the setting.
To set the Photocell level (used with the gray wire connection):
NOTE: This setting must be performed when the natural light is low enough to require
artificial light.
1. Remove the cover from the sensor.
2. Make note of the position of the red and green knobs. Rotate the red and green
knobs fully CCW and enter the sensor’s Test mode as described above.
3. Rotate the blue knob fully CCW.
4. Wait for the lights to turn OFF.
5. Rotate the red knob fully CW.
6. Slowly rotate the blue knob clockwise until the lights turn ON. This is the correct
setting.
7. Return the red and green knobs to their original positions
8. Replace the cover. Photocell level setting is complete.
Field-of-View Ranges - GLS-ODT-C-500
0
TOP VIEW
SIDE VIEW
3
5.6
9
11 15
20
2317
20
11.5
8.5
0
8.5
11.5
20
8
0
Field-of-View Ranges - GLS-ODT-C-1000
20
11.5
8.5
0
8.5
11.5
20
8
0
TOP VIEW
SIDE VIEW
Field-of-View Ranges - GLS-ODT-C-2000
TOP VIEW
20
16
11.5
0
11.5
16
20
8
32 325.225.22
SIDE VIEW
5.5 5.599111151510202
033
Major Motion, IR
Minor Motion, Ultrasonic
Major Motion, Ultrasonic
Major Motion, IR
Minor Motion, Ultrasonic
Major Motion, Ultrasonic
111115 1520 209933 0 5.65.6
Major Motion, IR
Minor Motion, Ultrasonic
Major Motion, Ultrasonic
23713217
TROUBLESHOOTING
The following table provides corrective action for possible trouble situations. If further
assistance is required, please contact a Crestron customer service representative.
NOTE: Operation is ultimately determined by the control system program, and that must
be considered when troubleshooting.
TROUBLE POSSIBLE CAUSE CORRECTIVE ACTION
Lights do not turn ON.
Lights stay ON.
Circuit breaker or fuse has
tripped.
Connections between
sensor and GLS-SIM (or
other interface device)
have been miswired.
GLS-SIM (or other interface
device) set to incorrect Net
ID.
GLS-SIM DIP switch
settings not correct.
Incorrect programming in
control system.
Constant motion.
Reset circuit breaker or
replace fuse.
Verify that all connections
have been made per the
wiring diagrams in this
document.
Check that the Net ID matches
the one expected by the control
system (or CLS-C6).
Refer to wiring diagrams on
first page of this document for
appropriate settings.
Check control system logic and
pull-up resistor setting or
contact Crestron for assistance.
To test, reduce red and
green knob by 15%; remove
motion source. If no
change, move sensor.
Infrared sensor can “see”
into hallway.
To test, put sensor in timer
Test mode and walk hallway. If
lights continue to come ON,
move sensor.
Check control system logic or
contact Crestron for
assistance.
Typical setting is 10 minutes.
Lights remain ON too
long.
Incorrect programming in
control system.
Timer setting too high. To test, check switch settings.
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
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; touch screen 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.
trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names
be non-warranty, return freight costs shall be paid by the purchaser.
Crestron, the Crestron Logo and Cresnet are trademarks or registered trademarks of Crestron Electronics, Inc. in the
United States and other countries. EMerge Alliance and the EMerge Alliance logo are either trademarks or registered
trademarks of EMerge Alliance Corporation in the United States and/or other countries. Other trademarks, registered
or their products. Crestron disclaims any proprietary interest in the marks and names of others
©2011 Crestron Electronics, Inc.
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