Wattstopper
®
360° Passive Infrared Low Voltage Occupancy Sensor (version 5)
with Manual On feature
Détecteur de mouvement basse tension à infra-rouge passif 360° (v5)
avec marche en mode manuel
Sensor de ocupación con tecnología infrarroja pasiva de baja tensión 360°
con función de encendido manual (v5)
Installation Instructions • Instructions d’Installation • Instrucciones de Instalación
No: 24054 – 09/20 rev. 2
Catalog Numbers • Les Numéros de Catalogue • Números de Catálogo: CI-305, CI-305-1
Country of Origin: Made in China • Pays d’origine: Fabriqué en Chine • País de origen: Hecho en China
SPECIFICATIONS
Voltage .......................... .........18-28VDC/VAC, half wave rectified AC
Current Consumption .................................................................10 mA
Power Supply ..............................................Wattstopper Power Packs
Operating Temperature ................................32° to 131°F (0° to 55°C)
Time Delay Adjustment ............................... 30 seconds to 30 minutes
Walk-Through Mode .............3 minutes if no activity after 30 sec.
Test Mode ........................................5 sec. upon DIP switch reset
PIR Coverage
Model CI-305 ........................................................... up to 1200ft2
Model CI-305-1 ......................................................... up to 500ft2
Sensitivity Adjustment ...................................High or Low (DIP switch)
UL & CUL Listed for use with Wattstopper Power Packs
DESCRIPTION AND OPERATION
The Wattstopper CI-305 360° passive infrared (PIR) occupancy sensors turn lighting systems on and off based on occupancy.
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 time (30 seconds 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 CI-305 operates on 24V supplied by Wattstopper Power Packs, 24VAC or half wave rectified AC.
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 CI-305 sensors are 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 CI- 305 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.
Open Ofce 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.
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.
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