1. Introduction
This manual provides essential information regarding the installation, operation, and maintenance of your AEGISLINK S500 Photoelectric Smoke Alarm. Please read this manual thoroughly before installation and retain it for future reference. This device is designed to detect smoke and alert occupants to potential fire hazards, contributing to a safer environment.
2. Important Safety Information
- Placement: Install smoke alarms on every level of your home, inside each bedroom, and outside each sleeping area.
- Avoid Obstructions: Ensure the alarm is not obstructed by furniture, curtains, or other objects that could block smoke entry.
- Maintenance: Test the alarm weekly and clean it regularly as instructed in this manual.
- Alarm Response: If the alarm sounds, evacuate immediately and call emergency services. Do not re-enter the premises until authorities declare it safe.
- Battery: The S500 model features a sealed 10-year lithium battery. Do not attempt to replace the battery. The entire unit must be replaced after 10 years of operation.
3. Product Features
- 10-Year Sealed Battery: Equipped with a non-replaceable lithium battery designed to last the entire 10-year lifespan of the alarm.
- Photoelectric Sensor: Advanced photoelectric technology for reliable smoke detection, particularly effective at detecting slow, smoldering fires.
- Test/Silence Button: Allows for easy testing of the alarm's functionality and silencing of nuisance alarms.
- Self-Test Function: Automatically checks the sensor, electronics, and battery every 60 seconds to ensure proper operation.
- Compact Design: Measures 3.0 x 3.0 x 1.9 inches (78 x 78 x 48 mm), allowing for discreet placement.
- Wide Coverage: Detects smoke over an area of 215–430 ft² (20–40 m²).
- Loud Alarm: Emits an audible alarm exceeding 85 decibels at 3 meters (10 feet).

Image: The AEGISLINK S500 smoke alarm highlighting its internal 10-year sealed lithium battery.

Image: The AEGISLINK S500 smoke alarm showing its detection coverage area and 85 dB siren capability.
4. Package Contents
The following items are included in your AEGISLINK S500 Smoke Alarm package:
- AEGISLINK S500 Smoke Alarm (Quantity: 6 for 6-Pack)
- Mounting Bracket (Quantity: 6 for 6-Pack)
- 10-Year Sealed Lithium Battery (Pre-installed, Quantity: 6 for 6-Pack)
- Parts Kit (Screws and Wall Plugs)
- User Manual

Image: The AEGISLINK S500 smoke alarm, its packaging, user manual, and mounting hardware.
5. Installation
Follow these steps to properly install your AEGISLINK S500 Smoke Alarm:
- Choose Location: Select a suitable location on a wall or ceiling, away from corners, vents, and sources of steam or cooking fumes.
- Prepare Mounting Bracket: Use the mounting bracket as a template to mark two drill holes on the wall or ceiling.
- Drill Holes: Drill holes at the marked positions. Insert the wall plugs if installing into drywall or plaster.
- Attach Bracket: Secure the mounting bracket to the wall or ceiling using the provided screws.
- Mount Alarm: Align the smoke alarm with the mounting bracket and twist it clockwise until it clicks securely into place.
- Test Alarm: Press the Test/Silence button to ensure the alarm is functioning correctly after installation.

Image: A hand demonstrating the compact size of the AEGISLINK S500 smoke alarm and its easy installation onto a ceiling bracket.
6. Operation
Testing the Alarm
It is recommended to test your smoke alarm weekly to ensure proper functionality.
- Press and hold the Test/Silence button for a few seconds.
- The alarm will sound a loud siren, and the LED indicator will flash rapidly.
- Release the button. The alarm will stop sounding.
Silencing Nuisance Alarms
If a non-emergency situation (e.g., cooking fumes) triggers the alarm, you can temporarily silence it:
- Press the Test/Silence button once.
- The alarm will enter a temporary silence mode for approximately 9 minutes. The LED will flash every 5 seconds to indicate it is in silence mode.
- After 9 minutes, if smoke is still present, the alarm will reactivate.

Image: A close-up of a hand pressing the Test/Silence button on the AEGISLINK S500 smoke alarm.
LED Indicator Status
- Normal Operation: LED flashes once every 60 seconds.
- Alarming: LED flashes rapidly while the siren sounds.
- Silence Mode: LED flashes once every 5 seconds.
- Low Battery Warning: LED flashes once every 60 seconds accompanied by a chirp. This indicates the end of the product's life and requires replacement.
- Malfunction: LED flashes twice every 40 seconds accompanied by a chirp. This indicates a fault and requires replacement.
7. Maintenance
Cleaning Your Smoke Alarm
Dust and debris can affect the performance of your smoke alarm. Clean it regularly:
- Gently vacuum the alarm's cover and vents using a soft brush attachment.
- Do not paint the alarm or use cleaning solvents, as these can damage the sensor.
Battery Life
The AEGISLINK S500 is equipped with a sealed 10-year lithium battery. This battery is designed to power the alarm for its entire operational lifespan. When the battery is low (indicated by a chirp every 60 seconds), the entire unit must be replaced. Do not attempt to replace the internal battery.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Alarm chirps every 60 seconds | Low battery / End of product life | Replace the entire smoke alarm unit. |
| Alarm chirps twice every 40 seconds | Malfunction | Replace the entire smoke alarm unit. |
| Alarm sounds frequently without smoke | Nuisance alarm (steam, cooking fumes, dust) | Press the Test/Silence button. Relocate the alarm if false alarms persist due to environmental factors. Clean the alarm. |
| Alarm does not sound during test | Unit not properly activated or faulty | Ensure the alarm is securely twisted onto its mounting bracket. If still unresponsive, replace the unit. |
9. Specifications
| Specification | Detail |
|---|---|
| Model Number | S500 |
| Sensor Type | Photoelectric |
| Power Source | 3V Sealed Lithium Battery (10-year life) |
| Alarm Volume | >85 dB at 3 meters (10 feet) |
| Operating Humidity | Up to 95% RH (non-condensing) |
| Product Dimensions | 3.1"D x 3.1"W x 1.9"H (78 x 78 x 48 mm) |
| Item Weight | 0.21 Pounds (approx. 3.36 ounces) |
| Material | Fire Resistance ABS |
| Coverage Area | 215-430 sq. ft. (20-40 m²) |
| Installation Method | Screw-In |
10. Warranty and Support
AEGISLINK provides the following support for your S500 Smoke Alarm:
- Return Policy: Includes a 60-day return period.
- Warranty: A 5-year warranty covers defects in materials and workmanship.
- Technical Support: Lifetime technical support is available.
For warranty claims or technical assistance, please contact AEGISLINK customer service through their official website or the retailer where the product was purchased. Please have your model number (S500) and purchase date available.





