1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of the Whelen 295SLSA1 Hands Free Full Function 100/200 Watt Siren. Please read this manual thoroughly before attempting to install or operate the unit to ensure proper function and safety.
2. Safety Information
Always observe the following safety precautions to prevent injury or damage to the unit:
- Ensure the vehicle's battery is disconnected before beginning any installation.
- All wiring should be performed by a qualified technician.
- Mount the siren unit securely to prevent movement during vehicle operation.
- Do not expose the unit to excessive moisture or extreme temperatures.
- Verify all connections are correct and secure before applying power.
- Use only the specified voltage (12.8 Volts DC) for operation.
3. Package Contents
Upon opening the package, verify that all the following components are present:
- Whelen 295SLSA1 Siren Unit
- Microphone with coiled cord
- Mounting Bracket and Hardware
- Wiring Harness (if applicable)
- User Manual (this document)
4. Setup and Installation
The Whelen 295SLSA1 siren is designed for wall mount installation. Follow these steps for proper setup:
- Choose a Mounting Location: Select a secure, flat surface within the vehicle's cabin, away from direct heat or moisture. Ensure adequate space for wiring and access to controls. The unit is designed for wall mounting.
- Mount the Bracket: Use the provided mounting hardware to securely attach the mounting bracket to the chosen surface.
- Attach the Siren Unit: Slide the siren unit into the mounted bracket until it clicks securely into place.
- Wiring Connections:
- Power: Connect the red wire to a fused 12.8V DC positive power source and the black wire to a reliable chassis ground.
- Speakers: Connect your 100/200 Watt siren speakers to the designated speaker terminals (1 and 2) on the unit. Ensure correct polarity.
- Microphone: Plug the microphone's connector into the MIC input jack on the front panel of the siren unit.
- Auxiliary Inputs (if applicable): Connect any auxiliary inputs (e.g., horn ring, remote switches) as per the detailed wiring diagram provided with the unit.
- Final Check: Double-check all connections for security and correct polarity before reconnecting the vehicle's battery.
Image 1: The Whelen 295SLSA1 siren unit (left) and its accompanying microphone (right). The siren unit features a red power button, a main selector knob, a microphone volume knob, and speaker indicators.
5. Operating Instructions
The 295SLSA1 siren offers hands-free and full-function operation. Familiarize yourself with the controls:
- POWER Button: The large red button on the left side of the unit. Press to turn the siren unit ON or OFF.
- Main Selector Knob: This central knob controls the siren's primary functions:
- HF (Hands Free): Activates hands-free siren tones.
- T1, T2, T3: Selects different siren tones (e.g., Wail, Yelp, Piercer).
- HORN: Activates the air horn sound.
- RAD (Radio): Allows for radio rebroadcast through the siren speakers.
- MAN (Manual): Provides manual control over siren tones via the microphone button.
- MIC VOL. Knob: Adjusts the volume of the microphone for public address (PA) functions.
- Speakers Indicators (1, 2): These LEDs illuminate to indicate active speaker outputs.
- Microphone: The microphone features a push-to-talk button for public address and manual siren activation (when the main selector is set to MAN).
6. Maintenance
To ensure the longevity and optimal performance of your Whelen 295SLSA1 siren, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use abrasive cleaners or solvents.
- Inspection: Periodically check all wiring connections for tightness and signs of wear or corrosion.
- Environmental Protection: Keep the unit free from excessive dust, dirt, and moisture.
7. Troubleshooting
If you encounter issues with your siren unit, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to unit | Blown fuse, loose power connection, incorrect wiring. | Check vehicle fuse, verify power and ground connections, ensure correct polarity. |
| No siren sound | Speakers not connected, faulty speakers, volume too low, incorrect function selected. | Verify speaker connections, test speakers, increase MIC VOL, ensure correct siren tone is selected. |
| Microphone not working | Microphone not plugged in, faulty microphone, MIC VOL too low. | Ensure microphone is securely plugged in, increase MIC VOL, test with another microphone if available. |
If the problem persists after attempting these solutions, contact Whelen customer support or a qualified service technician.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | 295SLSA1 |
| Manufacturer | Whelen Engineering |
| Power Output | 100/200 Watt (depending on speaker configuration) |
| Voltage | 12.8 Volts (DC) |
| Power Source | Battery Powered |
| Mounting Type | Wall Mount |
| Item Weight | 3.99 pounds |
| Package Dimensions | 9.25 x 7 x 5.25 inches |
| Noise Level | 75 dB |
| Color | Black |
| Control Method | Touch (referring to button/knob interaction) |
| National Stock Number | 5996-01-514-5606 |
9. Warranty and Support
For detailed warranty information, please refer to the official Whelen Engineering website or contact their customer service directly. Warranty terms typically cover manufacturing defects for a specified period from the date of purchase.
For technical support, parts, or service inquiries, please visit the official Whelen Engineering website or contact their authorized distributors. Always provide your product model number (295SLSA1) when seeking support.
Note: Protection plans offered by third-party retailers are separate from the manufacturer's warranty.
