1. Introducció
The Qolsys IQ Wireless S-Line Encrypted Glass Break Sensor (Model QS1431-840) is designed to enhance the security of your home or office by detecting the sound of breaking glass. This wireless, battery-powered sensor integrates with compatible 319.5 MHz wireless control panels, such as GE/Interlogix or Qolsys IQ Panels, to provide an immediate alert in the event of a window break. Its S-Line encryption technology ensures secure communication between the sensor and the control panel, protecting against unauthorized signal interception.
2. Contingut del paquet
- Qolsys IQ Wireless S-Line Encrypted Glass Break Sensor (QS1431-840)
- Batteries (CR123A 1550mAH x2, pre-installed)
- Cargols de muntatge
- Ancoratges de paret
- Instruccions d'instal·lació (aquest manual)
3. Configuració i instal·lació
Proper placement and installation are crucial for optimal performance of your glass break sensor. Follow these steps for a secure setup:
3.1 Triar una ubicació d'instal·lació
The sensor detects the pitch and frequency of breaking glass up to 25 feet away. For best results, install the sensor:
- On a wall opposite the monitored window.
- On the ceiling, especially in large living areas like family rooms, to maximize detection coverage.
- At least 3.3 feet (1 meter) from the windows being protected.
- At least 4 feet (1.2 meters) from sources of noise that could cause false alarms.

Figure 1: Optimal installation locations for the IQ Glass-S sensor.
3.2 Muntatge del sensor
The sensor is designed for easy mounting using the included screws and wall anchors.
- Segur a la superfície: Once the optimal location is determined, use the mounting screws (#4 or #6) and wall anchors to securely attach the back plate of the sensor to the chosen surface (wall or ceiling).
- Remove Face Plate: Gently open the sensor's face plate to access the battery compartment and mounting holes.
- Treure la pestanya de la bateria: If the batteries are pre-installed, remove any plastic pull tabs to activate them. The sensor uses two CR123A 1550mAH batteries.
- Replace Face Plate: Close the face plate securely after installation.

Figure 2: Qolsys IQ Glass-S sensor mounted on a wall.
3.3 Pairing with Control Panel
The sensor requires connection to a compatible control panel/receiver (319.5 MHz wireless frequency). This includes:
- GE/Interlogix Panels (NetworX, Simon, etc.)
- Qolsys IQ Panel (Version 1 or 2)
- Leviton 64-Zone Receiver for GE/Interlogix (part 42A00-2)
- Elk M1 Wireless Receiver for GE/Interlogix Crystal Transmitters (part ELK-M1XRFEG)
- Other legacy 319.5 MHz systems.
Refer to your specific control panel's manual for detailed instructions on how to pair new wireless sensors. The S-Line technology ensures secure, encrypted communication during pairing and operation.
4. Instruccions de funcionament
The IQ Glass-S sensor operates by listening for the specific pitch and frequency associated with breaking glass. When armed, it will trigger an alarm if these sounds are detected within its 25-foot range.
- Activació automàtica: The sensor is automatically activated when your compatible IQ Panel is armed in either Stay or Away mode.
- S-Line Encryption: Qolsys S-Line technology provides advanced encryption for wireless signals, safeguarding against hacking and replay attacks. This ensures that all event transmissions are unique and secure.
- Llum d'advertència: The sensor features a warning light on its front face to indicate status or activity.
5. Manteniment
5.1 Substitució de la bateria
The sensor is powered by two CR123A 1550mAH batteries. When the battery level is low, your control panel will typically indicate a low battery warning for the sensor. To replace the batteries:
- Gently open the sensor's face plate.
- Traieu amb cura les piles velles.
- Introduïu dues piles CR123A noves, assegurant-vos de la polaritat correcta.
- Close the face plate securely.
Caution: Replace batteries only with CR123A type. Incorrect battery type or improper installation may cause damage or risk of fire/explosion.
5.2 Botó de restabliment
The sensor includes a reset button, typically located on the back or inside the unit. This button can be used to reset the sensor if needed, often during pairing or troubleshooting. Consult your control panel's manual or Qolsys support for specific reset procedures.
6. Solució De Problemes
If you experience issues with your Qolsys IQ Glass-S sensor, consider the following:
- Sense detecció: Verify the sensor's placement. Ensure it is within 25 feet of the protected windows and not obstructed. Check for excessive ambient noise that might interfere with detection.
- Falses alarmes: Reposition the sensor further away from noise sources (e.g., air vents, loud speakers, vibrating appliances). Ensure the mounting surface is stable.
- Pèrdua de senyal: Check the battery status. If batteries are low, replace them. Ensure the sensor is within the wireless range (up to 600 feet from the panel in open air) of your control panel.
- Problemes d'aparellament: Ensure your control panel is in pairing mode. Press the reset button on the sensor as per your panel's instructions.
For persistent issues, contact Qolsys customer support or your security system installer.
7. Especificacions
| Característica | Detall |
|---|---|
| Número de model | QS1431-840 |
| Marca | Qolsys |
| Freqüència sense fil | 319.5 MHz (S-Line Encrypted) |
| Interval de detecció | Fins a 25 peus (7.6 metres) |
| abast sense fils | Up to 600 feet (183 meters) from panel (open air) |
| Font d'alimentació | 2 x CR123A 1550mAH Batteries (included) |
| Tipus de muntatge | Muntatge de paret |
| Especificacions de muntatge | At least 3.3 ft from windows, 4 ft from noise sources |
| Maquinari de muntatge | Cargols #4 o #6 |
| Interval de temperatura | De 14 °F a 120 °F (-10 °C a 48 °C) |
| Dimensions (A x A x P) | 2.75" x 3.88" x 1.5" (6.99 cm x 9.86 cm x 3.81 cm) |
| Color | White (Note: Product specifications in source data mention 'red', but product images and main description indicate white.) |
| Pes | 3.2 unces (90.7 grams) |
| Aprovacions | FCC, IC |
| UPC | 854545006979 |
8. Garantia i Suport
8.1 Informació de la garantia
The Qolsys QS1431-840 IQ Wireless S-Line Encrypted Glass Break Sensor comes with a Garantia limitada de 1 anys del fabricant. Si us plau, conserveu el comprovant de compra per a reclamacions de garantia.
8.2 Atenció al client
For technical assistance, troubleshooting, or warranty inquiries, please contact Qolsys customer support or your authorized Qolsys dealer. You may also visit the official Qolsys weblloc per a recursos addicionals i preguntes freqüents.