Intelligent Duct Smoke Detector GSA-SD
Overview The Kidde SuperDuct Signature Series smoke detector is the most advanced and most reliable device in its class. Designed for easy installation and superb reliability, SuperDuct represents the perfect balance of practical design and advanced technology ⭐
✅ SuperDuct detectors feature a unique design that speeds installation and simplifies maintenance. Removable dust filters, conformally coated circuit boards, and optional water-resistant gaskets keep contaminants away components, ensuring years of trouble-free service. When cleaning is required, the assemblies come apart easily and snap back together in seconds ⭐
✅ A Signature Series photoelectric sensor is incorporated the design of each GSA-SD duct smoke detector. This sensor inherits the power and benefits of this exceptional line of intelligent devices. Signature Series sensors gather analog information their smoke sensing elements and convert it digital signals. The sensor measures and analyses these signals and compares the information to historical readings and time patterns to make an alarm decision. Digital filters remove signal patterns that are not typical of fires, which virtually eliminates unwanted alarms.
Standard Features
• Less than 2" deep for easy installation and applications where space is tight
• -20°F to 158°F (-29°C to 70°C) operating range with 100 ft/ min. to 4,000 ft/min air velocity rating assures reliability under harsh environmental conditions
• Status LEDs remain visible through clear assembly cover
• Cover monitor switch for added security
• Standard sampling tube spacing for easy drop-in migration other detectors
• Sampling tube can be installed with or without the cover in place and can be rotated in 45-degree increments to ensure proper alignment with duct airflow
• 15.2 to 19.95 Vdc operation
• Magnet-activated test switch
• One Form C auxiliary alarm relay for controlling ancillary equipment (e.g., HVAC controls)
• No special tools required for easy access to field connections
• Signature Series intelligence
• Environmental compensation with differential sensing for reliable, stable, and drift-free sensitivity
• Wide 0.79% to 2.46% obscuration/ft. smoke sensitivity
• Identification of dirty or defective detectors
Application
SuperDuct detectors are ideally suited to duct smoke detection applications where early indication of combustion is required within the confined space of ventilation ductwork. Its primary purpose is to provide early warning of an impending fire and to prevent smoke circulating throughout the building. It is typically used to detect smoke in the supply side of the HVAC system but can provide supervision of the return side as well.
SuperDuct detectors continually sample air flow in the HVAC duct and initiate an alarm condition whenever smoke is detected. An alarm is activated when the quantity (percent obscuration) of combustion products in that air sample exceeds the detector’s sensitivity setting.
Dimensions
Assembly
Specifications, detector
Dimensions | 8.70 x 5.45 x 1.90 inches (221 x 138 x 48 mm) |
Wire size | 14 to 22 AWG |
Detection method | Photoelectric (light scattering principle) |
Air velocity rating | 100 to 4,000 ft/min and meets the required minimum air pressure differentia |
Air pressure differentia | 0.005 to 1.00 inches of water |
Sensitivity | 0.79 to 2.46 %/ft obscuration |
Alarm test response time | 5 seconds |
LED indicators | Alarm (red), Power (green) |
Common alarm relay |
Unsupervised and powerlimited Quantity: 1 Type: Form C Ratings: 2.0 A at 30 Vdc (resistive) |
Operating voltage | 15.2 to 19.95 Vdc |
Operating current | Standby: 45 µA Alarm: 45 µA Inrush: 1 mA Standalone alarm: 18 mA |
Operating environment | Temperature (UL): -20 to 158 °F (-29 to 70 °C). Temperature (ULC): -4 to 120 °F (-29 to 49 °C) Relative humidity: 10 to 93%, noncondensing |
Agency listings | UL, ULC, CSFM, FM, MEA |
Specifications, test stations
Remote Test/Reset Stations provide alarm test, trouble indication, and reset capability a remote location. They include a one-gang plate, momentary SPST switch, red alarm LED, and terminal block. Magneticallyoperated models (TRM) or key-operated models (TRK) are available.
Compatible electrical boxes | North American 1-gang box Standard 4-in square box, 1-1/2 inches deep, with 1-gang cover |
LED indicators | Alarm (red) |
LED type | Clear lens |
Wire size | 14 to 22 AWG |
Resistance per wire | 10 Ohms, max. |
Current requirements | See controller specifications |
LED circuit ratings |
Voltage: 3 Vdc, max. Current: 30 mA, max. |
Switch ratings (SD-TRK) |
Voltage: 125 Vdc, max. Current: 4 A, max. |
Switch ratings (SD-TRM) |
Voltage: 200 Vdc, max. Current: 0.5 A, max. |
Compatible detectors | SuperDuct conventional two-wire and Signature duct smoke detectors |
Operating environment | -4°F to 158°F (-20°C to 70°C) Humidity: 93% RH, noncondensing |
Storage temperature | -4 to 140 °F (-20 to 60 °C) |
Agency listings | UL, ULC, MEA, CSFM |
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