SL-2000-P Duct Smoke Detector (APC by Apollo): Total Protection for HVAC Systems

Posted on: 17/04/2026

An analysis of the superior features of the SL-2000-P Smoke Detector in HVAC systems. Early detection, building-wide protection, and genuine distribution by DLK.

SL-2000-P Duct Smoke Detector (APC by Apollo): Total Protection for HVAC Systems

In high-rise buildings and industrial facilities, HVAC ductwork often acts as a "highway" for toxic smoke to travel rapidly during a fire. The SL-2000-P Smoke Detector serves as a reliable security checkpoint, detecting and neutralizing smoke threats at their source. This premium device is imported and officially distributed by DLK Trading Service Company Limited.

1. Core Values of the SL-2000-P Smoke Detector

Beyond being a standard fire safety device, the SL-2000-P Smoke Detector is equipped with smart features designed to optimize safety for ventilation systems:

Precision Detection: Utilizing photoelectric sensing technology, it quickly identifies large smoke particles from smoldering fires—a constant threat in air distribution ducts.
Robust Performance: The device operates stably across a wide air velocity range from 100 to 4000 ft/min, making it suitable for everything from fresh air intakes to stairwell pressurization fans.
Universal Power Compatibility: A standout feature in the datasheet is its support for a wide range of input voltages (24VAC/DC, 115VAC, 230VAC), offering maximum flexibility for onsite installation.

2. Three-Layer Safety Solution of the SL-2000-P Smoke Detector

Based on its design and operational principles, the SL-2000-P Smoke Detector provides absolute peace of mind through three levels of protection:

Level 1: Immediate Early Warning

Mounted directly to the duct wall, the device monitors airflow 24/7. As soon as a small amount of smoke enters the sampling chamber, the SL-2000-P Smoke Detector instantly triggers an alarm status, indicated by intuitive built-in LEDs.

Level 2: Automatic Zone Isolation

Equipped with integrated Relay contacts (Alarm and Trouble), the device can directly control fire dampers or shut down ventilation fans. This action effectively isolates toxic smoke, preventing it from migrating to other parts of the building.

Level 3: Seamless BMS Integration

The SL-2000-P Smoke Detector easily connects to fire alarm control panels or Building Management Systems (BMS), providing facility engineers with a comprehensive overview and the ability to handle fire emergencies synchronously.

Explore more: What is a Pressurization Fan Smoke Detector and why is it essential for buildings?

3. Technical Specifications (Sourced from Datasheet)

The following table provides the technical data required for MEP engineers and consultants for project documentation:

Technical Feature	Specifications for SL-2000-P Smoke Detector
Manufacturer	APC by Apollo
Sensing Principle	Photoelectric
Operating Temp	32°F to 158°F (0°C to 70°C)
Air Velocity Range	100 - 4000 ft/min (0.5 - 20.3 m/s)
Housing Material	High-grade Grey Plastic Backbox / Clear Cover
Certifications	UL, CUL, CSFM, MEA

4. Why Purchase the SL-2000-P Smoke Detector from DLK?

In a competitive market, DLK Company remains the trusted partner for MEP contractors due to:

100% Genuine Products: Fully documented with CO and CQ certificates for every shipment.
Expert Technical Support: Guidance on selecting the correct sampling tube lengths based on your specific duct dimensions.
Optimal Pricing: The best agent rates and discounts for large-scale projects and contractors.