Watt Stopper DSW-100-W Dual Technology Wall Switch Sensor Instruction Manual

1. Introduction

The Watt Stopper DSW-100-W is a dual technology wall switch occupancy sensor designed to automatically control lighting based on occupancy. It combines Passive Infrared (PIR) and Ultrasonic technologies to detect motion and presence, ensuring lights are only on when a space is occupied. This manual provides essential information for the safe installation, operation, and maintenance of your DSW-100-W sensor.

2. Safety Information

Please read and understand all instructions before installing or operating this device. Failure to follow these instructions may result in electrical shock, fire, or property damage.

• WARNING: Turn off power at the circuit breaker or fuse box before wiring.
• Installation should be performed by a qualified electrician in accordance with all national and local electrical codes.
• Do not use this device with dimmers or other incompatible controls unless specified.
• This product is intended for indoor use only.
• Ensure all wire connections are secure and properly insulated.

3. Product Overview

The DSW-100-W sensor utilizes both Passive Infrared (PIR) and Ultrasonic technologies for reliable occupancy detection. Key features include:

• Dual technology (PIR/Ultrasonic) for enhanced detection accuracy.
• Zero-crossing for extended relay life.
• Vandal-resistant lens design for durability.
• Selectable manual-on or auto-on operation modes.
• Audible alert option for impending shutoff.
• Integrated LED indicator for status.

Figure 3.1: Front view of the DSW-100-W sensor, showing the PIR lens, ultrasonic transducers, and control buttons/indicators.

4. Installation

Before beginning installation, ensure power is disconnected at the circuit breaker.

4.1 Wiring Instructions

The DSW-100-W sensor requires connection to Line (L), Load, and Ground wires. It is compatible with 120VAC and 277VAC systems.

• Line (Black Wire): Connect to the incoming hot wire from the electrical panel.
• Load (Red Wire): Connect to the lighting fixture or load.
• Ground (Green Wire): Connect to the electrical system ground.
• Neutral (White Wire): This sensor typically does not require a neutral connection for basic operation, but always refer to the specific wiring diagram on the device or included instructions.

Figure 4.1: Back view of the DSW-100-W sensor, illustrating wiring terminals and electrical ratings.

4.2 Mounting

Install the sensor into a standard electrical wall box. Ensure the sensor is securely fastened and the faceplate is properly attached after wiring is complete.

5. Operating Instructions

The DSW-100-W offers flexible operation modes and settings.

5.1 Operation Modes

• Auto-On Mode: Lights turn on automatically when occupancy is detected and turn off after a preset time delay when the space becomes vacant.
• Manual-On Mode: Users must manually turn on the lights using the switch. The sensor will then automatically turn off the lights after a preset time delay when the space becomes vacant. This mode is ideal for energy code compliance where manual-on is required.

5.2 Time Delay and Sensitivity Adjustment

The sensor typically includes adjustable settings for time delay (how long lights remain on after vacancy) and sensitivity for both PIR and Ultrasonic detection. Refer to the specific labels on the device (e.g., "1.0 Time", "Ultrasonic") for adjustment points. Use a small screwdriver or similar tool to carefully adjust these settings as needed for your application.

5.3 Audible Alert

The DSW-100-W features a selectable audible alert that provides a warning before the lights turn off due to vacancy. This can be enabled or disabled based on user preference.

6. Maintenance

The DSW-100-W sensor requires minimal maintenance.

• Cleaning: Periodically wipe the sensor lens and housing with a soft, damp cloth. Do not use abrasive cleaners or solvents.
• Obstructions: Ensure the sensor's detection area is free from obstructions such as furniture, tall plants, or partitions that could block its view or ultrasonic waves.

7. Troubleshooting

If you experience issues with your DSW-100-W sensor, refer to the following common troubleshooting steps:

8. Specifications

9. Warranty and Support

Watt Stopper products are designed for reliability and performance. For specific warranty details, please refer to the documentation included with your purchase or visit the manufacturer's website.

For technical support or further assistance, please contact:

• Phone: 800.879.8585
• Website: www.wattstopper.com