FDO181C Non-Addressable Siemens Smoke Detector Overview
The Siemens smoke detector FDO181C is a point-type optical smoke detector that employs advanced optical sensing technology based on the principle of light scattering. This design significantly enhances its ability to detect smoke and fire alarms, protecting people from particles generated by open flames and smoldering fires, allowing for early fire detection and improved safety.


Characteristics of the FDO181C Non-Addressable Siemens Smoke Detector
l Compliance with Standards: Meets national standard GB4715-2005 for point-type Siemens smoke detectors.
l Intelligent Processing: Features a built-in 16-bit CPU that processes signals using intelligent algorithms for accurate fire identification.
l Innovative Design: Incorporates a newly designed smoke labyrinth structure that enhances detection reliability and accuracy.
l Non-Addressable Operation: No address setting is required; it features polarity-free connections.
Early Detection Capability: Particularly effective for detecting smoldering fires or flames that produce smoke.
l Environmental Resistance: Strong resistance to environmental factors such as dust, fibers, insects, humidity, extreme temperatures, electromagnetic interference, corrosive gases, vibrations, and non-fire smoke.
l Automatic Status Monitoring: The detector automatically checks its operational status and alerts users via an indicator light in case of faults or low voltage.
l Dust Compensation Feature: Automatically compensates for dust accumulation and provides alerts when cleaning is necessary to reduce false alarms.
l 360° Visible Alarm Indicator: The alarm light is visible from all angles for easy monitoring.
l Built-In Dust Cover: Protects the detector from contamination during construction or renovation work.
l Eco-Friendly Materials: Made from environmentally safe materials that comply with RoHS standards.
Technical Specifications
l Parameter Specification
l Operating Voltage 10…28 V DC
l Static Operating Current ≤0.1 mA
l Activation Current ≤60 mA (continuous)
l Sensitivity Standard 2.4%/m
l Operating Temperature –10…+50 °C
l Storage Temperature –20…+70 °C
l Relative Humidity ≤96%
l Color White, RAL 9010
l Protection Level GB4208-93 IP40
Applications
The Siemens FDO181C non-addressable smoke detector is suitable for various applications where fire alarm safety is crucial, protecting people:
A. Commercial Buildings: These are ideal for offices and retail spaces where early smoke detection can prevent extensive damage and ensure safety.
B. Industrial Facilities: Effective in factories and warehouses, monitoring potential fire hazards is essential to protect equipment and personnel.
C. Educational Institutions: These are used in schools and universities to provide a safe environment for students and staff by enabling quick responses to fire incidents.
D. Healthcare Facilities: Critical in hospitals and clinics where rapid detection of fires can save lives and protect sensitive medical equipment.
E. The FDO181C plays a vital role in comprehensive fire safety systems by providing reliable detection capabilities that help safeguard lives and property.
Installation
Installing the Siemens FDO181C is straightforward:
1. Select Mounting Location: Choose an accessible location on the ceiling or wall where smoke can easily reach the detector.
2. Wiring Connections: Connect the detector to the power supply following the wiring diagram provided in the installation manual.
3. Testing Functionality: Conduct tests to ensure proper operation and communication with the control panel once installed.
4. By following these steps, users can ensure that the FDO181C operates effectively within their fire alarm safety systems.
Related Part Numbers
l FDB181 (Detector Base)
l A5Q00022000 (Dust Cap)
Previous: Siemens FDM183
