Duct smoke sensor

Duct smoke sensor

580J

 

controller

 

Conduit nuts

 

(supplied by installer)

 

Conduit support plate

 

Terminal block cover

Controller housing

Cover gasket

and electronics

(ordering option)

Conduit couplings

Controller cover

 

(supplied by installer)

 

 

Fastener

 

(2X)

 

Trouble

Alarm

Power

 

Test/reset

 

switch

C08208

Fig. 19 - Controller Assembly

Exhaust tube

Exhaust gasket

See

Detail A

Intake gasket

TSD-CO2 (ordering option)

Plug

Sampling tube

(ordered separately)

Coupling

Detail A

Magnetic test/reset switch

Sensor housing and electronics

Cover gasket

(ordering option)

Sensor cover

Sensor

The sensor includes a plastic housing, a printed circuit board, a clear plastic cover, a sampling tube inlet and an exhaust tube. (See Fig. 20.) The sampling tube (when used) and exhaust tube are attached during installation. The sampling tube varies in length depending on the size of the rooftop unit. The clear plastic cover permits visual inspections without having to disassemble the sensor. The cover attaches to the sensor housing using four captive screws and forms an airtight chamber around the sensing electronics. Each sensor includes a harness with an RJ45 terminal for connecting to the controller. Each sensor has four LEDs (Power, Trouble, Alarm and Dirty) and a manual test/reset button (on the left-side of the housing).

Air is introduced to the duct smoke detector sensor’s sensing chamber through a sampling tube that extends into the HVAC duct and is directed back into the ventilation system through a (shorter) exhaust tube. The difference in air pressure between the two tubes pulls the sampled air through the sensing chamber. When a sufficient amount of smoke is detected in the sensing chamber, the sensor signals an alarm state and the controller automatically takes the appropriate action to shut down fans and blowers, change over air handling systems, notify the fire alarm control panel, etc.

The sensor uses a process called differential sensing to prevent gradual environmental changes from triggering false alarms. A rapid change in environmental conditions, such as smoke from a fire, causes the sensor to signal an alarm state but dust and debris accumulated over time does not.

Alarm

Power

Trouble

Dirty

C08209

Fig. 20 - Smoke Detector Sensor

For installations using two sensors, the duct smoke detector does not differentiate which sensor signals an alarm or trouble condition.

Smoke Detector Locations

Supply Air

The Supply Air smoke detector sensor is located to the left of the unit’s indoor (supply) fan. (See Fig. 21.) Access is through the fan access panel. There is no sampling tube used at this location. The sampling tube inlet extends through the side plate of the fan housing (into a high pressure area). The controller is located on a bracket to the right of the return filter, accessed through the lift-off filter panel.

Smoke Detector Sensor

C08245

Fig. 21 - Typical Supply Air Smoke Detector

Sensor Location

18

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Image 18
Bryant F, 580J*08--14D appendix Sensor, Smoke Detector Locations, Supply Air
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580J*08--14D, F specifications

The Bryant F,580J*08--14D is an advanced heating and cooling system engineered for optimal performance and energy efficiency in residential and commercial applications. This innovative unit is designed to provide exceptional climate control while reducing operational costs, making it an ideal choice for those seeking reliable HVAC solutions.

One of the standout features of the Bryant F,580J*08--14D is its versatile heating and cooling capabilities. This system employs a two-stage compressor, which allows for precise temperature regulation and improved energy efficiency. This dual-stage operation ensures that the system can adapt to varying environmental conditions, providing enhanced comfort without excessive energy use.

The system is equipped with advanced inverter technology, which enables smoother operation and quieter performance. This technology adjusts the compressor speed based on the heating or cooling demand, leading to increased efficiency and reduced energy consumption. Additionally, the inverter system contributes to less noise during operation, creating a serene indoor environment.

The Bryant F,580J*08--14D also features a user-friendly thermostat that allows for easy temperature adjustments and scheduling. This smart thermostat is compatible with mobile devices, enabling users to monitor and control their HVAC system remotely. This feature provides added convenience and ensures that the system is operating efficiently, even when homeowners are away.

Energy efficiency is a hallmark of the Bryant F,580J*08--14D. The system meets and often exceeds ENERGY STAR® standards, making it one of the more eco-friendly options available in the market today. By utilizing energy-saving technologies and innovative designs, the system helps to lower utility bills and reduce the environmental impact.

Durability and reliability are key characteristics of the Bryant F,580J*08--14D. Constructed with high-quality materials and components, this unit is designed to withstand the rigors of changing weather conditions while maintaining consistent performance. Additionally, it comes equipped with a robust warranty, providing peace of mind for users investing in this heating and cooling solution.

In summary, the Bryant F,580J*08--14D is a top-tier HVAC system that boasts advanced technologies, exceptional energy efficiency, and user-friendly features. Its combination of reliable performance and modern conveniences makes it a standout choice for anyone looking to enhance their home's or business's climate control system, providing comfort and savings for years to come.
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