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No: 341000 – 6/12   Rev. B 

U.S. Patents: 5,640,113 and 6,617,560 and Patent Pending

Pass & Seymour

®

360° Passive Infrared • Line Voltage Occupancy Sensor with Light Level feature 

Infrarouge passif à 360° • Détecteur de présence sur secteur d’alimentation avec niveau d’éclairage 

 

Infrarrojo pasivo de 360° • Sensor de ocupación de voltaje de línea con función de nivel de luz

Installation Instructions • Instrucciones de Instalación • Notice d’Installation

Catalog Number • Numéro de Catalogue • Le Numéro de Catalogue: CS1200LV

Country of Origin: Made in China • Pays d’origine: Fabriqué en Chine • País de origen: Hecho en China

 

CAUTION

Turn power off at the circuit breaker before installing 

sensors.

 

AVERTISSEMENT

Couper le courant au disjoncteur principal avant 

d’installer le capteur.

 

PRECAUCIÓN

Apague el suministro de energía en el disyuntor 

antes de instalar el sensor.

SPECIfICATIONS

Voltages  ........................................................120/277/347VAC
Load Ratings 

 @120VAC .....................................0-800W Ballast/Tungsten 

  @277VAC, 50/60Hz ....................................0-1200W Ballast 

  @347VAC, 50/60Hz ....................................0-1500W Ballast
Operating Temperature .....................32° to 131°F (0° to 55°C)
Light Level One-Step Adjustment ....................... 10FC–300FC
Time Delay Adjustment .................................... 5 to 30 minutes 

  Walk-Through Mode .....3 minutes if no activity after 30 sec.

  Test Mode ..................................5 sec. upon intial power-up 

   

or DIP switch reset

PIR Coverage 

  Sensitivity Adjustment ...........Automatic or Low (DIP switch) 

  Model CS1200LV ..............................................up to 1200ft

2

SPÉCIfICATIONS

Voltages  .......................................................120/277/347 VCA
Capacités de charge 

  @120 VCA ...................................0-800W Ballast/tungstène 

  @277 VCA, 50/60Hz .................................0-1 200W Ballast 

  @347 VCA, 50/60Hz .................................0-1 500W Ballast
Température de fonctionnement .......32° à 131 °F (0° à 55 °C)
Réglage ponctuel du niveau d’éclairage........... 10 FC–300 FC
Réglage de la temporisation ............................. 5 à 30 minutes 

  Mode passage ................3 minutes s’il n’y a aucune activité 

   

après 30 secondes.

  Mode test ................5 secondes après mise en route initiale 

   

ou remise à zéro de l’interrupteur DIP

Portée PIR 

Réglage de la sensibilité....................... Automatique ou basse 

   

(interrupteur DIP)

Modèle CS1200LV ..........................jusqu’à 610 m

2

 (1 200 pi.

2

)

ESPECIfICACIONES

Voltajes  ........................................................120/277/347 VCA
Valores nominales de carga
  @120 VCA .........................Balasto y tungsteno de 0-800 W
  @277 VCA, 50/60 Hz ......................... Balasto de 0-1200 W
  @347 VCA, 50/60 Hz ......................... Balasto de 0-1500 W
Temperatura de  

 funcionamiento......................de 32° a 131°F (de 0° a 55°C)
Ajuste del nivel de luz de un solo paso ............ 10 FC–300 FC
Ajuste del tiempo de retardo............................. de 5 segundos 

   

a 30 minutos

  Modo de recorrido ...................3 minutos si no hay actividad 

   

después de 30 segundos

  Modo de prueba .............5 segundos en el encendido inicial

   

o reinicio del interruptor DIP

Cobertura del sensor PIR (sensor infrarrojo pasivo)
Ajuste de la sensibilidad .............................. Automático o bajo 

   

(Interruptor DIP)

Modelo CS1200LV ................hasta 1.200 pies (111,5 metros)2

UNIT dESCRIPTION

The Legrand/Pass & Seymour CS1200LV 360° passive infrared (PIR) occupancy sensors turn lighting systems on 

and off based on occupancy and ambient light levels. The light level feature can be used to keep lights from turning 

on if the ambient light level is sufficient. 
SmartSet™ technology allows the sensor to be installed with minimal adjustments. SmartSet automatically adjusts 

the time delay and PIR sensitivity to usage patterns in the controlled space. 
The sensors can be configured to turn lighting on, and hold it on as long as the sensor detects occupancy. After no 

movement is detected for a user specified or SmartSet time (5 to 30 minutes) the lights are switched off. A “walk-

through” mode can turn lights off after only 3 minutes, if no activity is detected after 30 seconds of an occupancy 

detection.
The CS1200LV operates on 120VAC, 277VAC or 347VAC.

COVERAgE PATTERN

The CS1200LV provides 360° coverage up to 1200 square feet of coverage. The coverage shown represents 

walking motion at a mounting height of 8 feet. For building spaces with lower levels of activity or with obstacles and 

barriers, coverage size may decrease.

PlACEMENT gUIdElINES

Depending upon obstacles such as furniture or partitions, the area of coverage may be less or more than the 

sensing distances shown in the coverage pattern. This must be considered when planning the number of sensors 

and their placement. It is also recommended to place the sensor 4 to 6 feet away from air supply ducts as rapid air 

currents or the differences in temperatures may cause false activations.
Mount the sensor to the ceiling. The CS1200LV is designed for a ceiling 

height of about 8-10 feet. Mounting above or below this range will 

significantly affect the coverage patterns. Be aware that as you decrease 

the mounting height, you decrease the range and increase the sensitivity to 

smaller motions. Conversely, when you increase the height, you increase 

the range and decrease the sensitivity to smaller motions. At heights of more 

than 12-14 feet, you may start to significantly reduce sensitivity. As a general 

rule, each occupant should be able to clearly view the sensor.
Often the best location to install a CS1200LV in a closed office is off-center. 

Avoid placing a sensor directly in line with an open door through which it has a clear view out, as the sensor may 

detect people walking by. 

Masking the PIR lens: 

Opaque adhesive tape is supplied so that sections of 

the PIR lens can be masked. This restricts the sensor’s view and allows you 

to eliminate PIR coverage in unwanted areas such as hallways outside of the 

desired coverage area. Since masking removes bands of coverage, remember 

to take this into account when troubleshooting coverage problems. 

Open Office Area Coverage:

 To get complete coverage in an open office area, 

install multiple sensors so that there is an overlap with each adjacent sensor’s 

coverage area. 
For open office areas with partitions it is best to place sensors over intersection 

of four workstations.
For large areas of coverage use multiple sensors.

WIRINg dIRECTIONS

CAUTION

Turn power off at the circuit breaker before installing sensors.

lIghT lEVEl fEATURE

The Light Level feature holds lights off upon initial occupancy if adequate ambient light exists. It will not turn the 

lights off if they are on. The default setting is for maximum, meaning that even the brightest ambient light will not 

hold the lights off. When the light level is set it is written to memory so that in the event of power failure the setting  

is not lost. 
•  Avoid mounting the sensor close to lighting fixtures.
•  Adjust during daylight hours when ambient light in the area is at desired level.
  1.  Open the Front Cover and locate the Light Level pushbutton. See Sensor Adjustment.
  2.   Momentarily press the Light Level pushbutton. Do not exceed 4 seconds.*   

The sensor enters setup mode, as indicated by the rapidly flashing green LED. The LED will flash throughout 

the setup process. Occupancy indications from the LED are disabled during setup.

  3.   Move away from the sensor to avoid interference with light level detection. The sensor measures the light 

level for a 25-second period, then averages the readings and automatically sets the light level function.

  4.  When the LED stops flashing, replace the Front Cover.
*   Pressing the pushbutton for 5 seconds or more resets the light level to the default. The LED flashes rapidly for 10 

seconds after the setting has changed.

MOUNTINg ThE SENSOR

Using a 4-Inch Square Junction Box with  

Double-Gang Mudring

1.  Pull the high voltage wires into the J-Box through the conduit 

knockout.

2.  Connect the high voltage wires to the appropriate terminals on 

the sensor.

3.  Align the sensor in the J-Box so that the mudring mounting 

screw tabs on the box match the mudring mounting holes on the 

sensor’s rear housing.

4.  Use two machine screws (included with the sensor) to attach the 

sensor to the mounting tabs on the J-Box.

5.  Snap the front cover onto the sensor.

Using an Octagonal Junction Box

1.  Pull the high voltage wires into the J-Box through the conduit 

knockout.

2.  Connect the high voltage wires to the appropriate terminals  

on the sensor.

3.  Align the sensor in the J-Box so that the mounting screw tabs  

on the box match the key holes on the sensor’s rear housing.

4.  Use two machine screws (included with the J-Box) to attach  

the sensor to the mounting tabs on the J-Box.

5.  Snap the front cover onto the sensor. 

SenSOr ADJUSTMenT

The sensors are factory preset to allow for quick installation in most applications. Verification of proper wiring or 

coverage, or customizing the sensor’s settings can be done using the following procedures. To make adjustments, 

open the Front Cover with a small screwdriver.

There is a 30 second warm-up period 

when power is first applied. 

Before making adjustments, make sure the office furniture is 

installed, lighting circuits are turned on, and the HVAC systems 

are in the overridden/on position. VAV systems should be set to 

their highest airflow. Set the DIP switches to the desired settings. 

See “DIP Switch Setting”.

To Test Occupancy Sensors

1.  Ensure the PIR Activity LED is enabled (DIP switch 6 ON) and PIR Sensitivity is set to MAX (DIP switch 7 ON).
2.  Ensure the Time Delay is set for Test Mode* using the “5 seconds/SmartSet” setting. (DIP switches 3,4, & 5 are 

OFF). 

3.  Ensure that the Light Level is at default (maximum). See the Light Level Feature section of this document for 

instructions.

4.  Remain still. The green LED should not flash. The lights should turn off after 5 seconds. (If not, see 

“Troubleshooting.”)

5.  Move about the coverage area. The lights should come on. 
When testing and adjustment is complete, reset DIP Switches and Light Level to the desired settings, and replace 

the cover on the sensor.
*   If you need to invoke the Test Mode and the DIP switches are already set for 5 seconds/SmartSet, toggle DIP 

switch #5 ON then back to the OFF position. This provides a 5 minute test period. During the test period, the Time 

Delay is only 5 seconds.

44 ft

13.4m

8 ft

22 ft

13 ft

7 ft 3 ft 0 3 ft 7 ft

13 ft

22 ft

Typical

desk-top

level

Coverage Pattern (standard lens)

CI-205

36'

36'

CI-205

12'

18'

 4" Square, 2.25" Deep

*

Junction Box with 

Double Gang 

Mudring attached

Drop Ceiling

Front

Cover

Rear Housing

Screws

Sensor Flange

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*The Junction Box must be at least 2.25" deep.  

If it is not, an extension ring is required.

Keyhole slots
(for mounting to 
4" octagonal box)

Double gang 
mudring
mounting holes 

Light level 
pushbutton

DIP 
switches

PIR lens

ON

1

2

3

4

5

6

7

EC

E

PIR Activity
LED (Green)

Hot

Neutral

Neutral

Load 

Load

Load

Line

Neutral

Line

Ground

(Optional)

Ground

(Optional)

Multiple sensors connected in parallel

Strip Gauge

#12 to #16 AWG

Cu Wire Only

Load

Switch

Load

Hot

Neutral

Neutral

Ground

(Optional)

Single sensor, single load

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