Watt Stopper DT-305 User Manual

Specifications
Voltage ........................ 18-28VDC/VAC, half wave rectified AC
Current Consumption .....................................................25 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 (Typical) .................................................. 1300 ft
2
Sensitivity Adjustment ..........High or Low (DIP switch setting)
Ultrasonic Coverage (Typical) ....................................... 1300 ft
2
Sensitivity Adjustment ..... Minimum to Maximum (trimpot)
Frequency .................................................................. 40kHz
UL & CUL Listed for use with WattStopper Power Packs
Installation Instructions
DT-305
v3

Occupancy Sensor

U.S. Patent: 7,277,012
Santa Clara, CA 95050

Watt Stopper DT-305 Specifications

General

Category	Accessories
Voltage	24V DC
Mounting	Ceiling
Ambient Temperature Range	32°F to 104°F (0°C to 40°C)
Housing	High-impact, injection-molded plastic
Mounting Height	8-10 ft
Time Delay	30 seconds to 30 minutes
Dimensions	4.5"
Certifications	UL, cUL

Summary

Specifications

Unit Description

Coverage Pattern

Placement Guidelines

Masking the PIR Lens

Opaque tape masks PIR lens sections to restrict view and eliminate unwanted coverage.

Common Application: Classroom

Position sensor for maximum coverage in classrooms, avoiding pointing out the door.

Wiring Directions

Connecting Wires

Details low voltage connections from power pack to sensor terminals for basic operation.

Manual-On Wiring

Explains wiring for manual ON function using a momentary switch and sensor terminals.

Mounting the Sensor

Directly to Ceiling

Instructions for mounting the sensor in a ceiling tile by cutting a hole and securing spring clips.

Using an Octagonal J-Box

Steps for mounting the sensor into a standard 4" octagonal J-box using mounting screws and keyhole slots.

Sensor Adjustment

Test Occupancy Sensors

Procedure to test sensor operation, including warm-up, initial stillness, and movement testing.

DIP Switch Configuration

Time Delay Settings

Configures the time delay for lights to turn off after no motion is detected.

Walk-Through Mode Configuration

Enables or disables the walk-through mode for specific light-off behavior.

PIR Sensitivity Adjustment

Adjusts the sensitivity of the Passive Infrared (PIR) detection range.

Occupancy Logic Options

Selects the logic for initial occupancy detection, maintenance, and re-triggering.

Manual On Function

Overload Protection

Troubleshooting

Service

Ordering Information

Warranty Information