Outside Ductwork Protection

To protect the outside end of the horizontal ductwork from the weather, a 90° elbow bent downward should be installed where the exhaust exits the building. If the ductwork travels vertically up through the roof, it should be protected from the weather by using a 180° turn to point the opening downward. In either case, allow at least twice the diameter of the duct between the duct opening and the nearest obstruction (refer to the diagram).

Important: Do not use screens, louvers, or caps on the outside opening of the exhaust ductwork.

Single Dryer Venting

Important: For extended ductwork runs, the cross- sectional area of the ductwork can only be increased to an extent. When the ductwork approaches the maximum limits as noted in this manual, a professional HVAC firm should be consulted for proper venting information.

Horizontal Venting

When horizontal dryer venting is used, the length of the ductwork from the dryer to the outside exhaust outlet, must not exceed 20 feet (6.10 meters). The minimum diameter of this ductwork must be at least 8-inches (20.32 cm). Including tumbler/dryer elbow connections or elbows used for outside protection from the weather, no more than 1 elbow should be used in the exhaust duct run. If more than 1 elbow is used, the cross-sectional area of the ductwork must be increased.

Vertical Venting

When vertical dryer venting is used, the length of the ductwork from the dryer to the outside exhaust outlet, must not exceed 20 feet (6.10 meters). The minimum diameter of this ductwork must be at least 8-inches (20.32 cm). Including tumbler/dryer elbow connections or elbows used for outside protection from the weather, no more than 3 elbows should be used in the exhaust duct run. If more than 3 elbows are used, the cross- sectional area of the ductwork must be increased.

A

=

20 feet (6.10 meters)

C

=

20 feet (6.10 meters)

B

=

8” (20.32 cm)

D

=

8” (20.32 cm)

 

 

 

 

 

 

NOTE 1 Opening from combustible materials must be 2-inches (5.08 cm) larger than the duct (all the way around). The duct must be centered within this opening.

NOTE 2 Distance should be 2 times the diameter of the duct to the nearest obstruction.

Multiple Dryer (Common) Venting

Important: For extended ductwork runs, the cross- sectional area of the ductwork can only be increased to an extent. When the ductwork approaches the maximum limits as noted in this manual, a professional HVAC firm should be consulted for proper venting information.

If it is not feasible to provide separate exhaust ducts for each dryer, ducts from individual dryers may be channeled into a “common main duct.” The individual ducts should enter the bottom or side of the main duct at an angle not more than 45º in the direction of airflow. The main duct should be tapered, with the diameter increasing before each individual duct is added.

Important: No more than 4 dryers should be connected to 1 main common duct.

The illustration on the next page shows the minimum cross- sectional area for multiple dryer round or square venting. These figures must be increased if the main duct run from the last dryer to where it exhausts to the outdoors is longer than 12 feet (3.656 meters) or has more than 1 elbow in it.

10

American Dryer Corp.

113615 -2

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ADC HBG76 manual Outside Ductwork Protection, Single Dryer Venting, Horizontal Venting, Vertical Venting
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HBG76 specifications

The ADC HBG76 is a state-of-the-art device designed for high-performance data acquisition and processing. It is primarily aimed at various applications in industries such as telecommunications, aerospace, military, and industrial automation. The HBG76's advanced features, robust technologies, and exceptional characteristics make it a standout choice for professionals requiring precise and reliable data handling.

One of the hallmark features of the HBG76 is its high-speed sampling capabilities. The ADC can handle sample rates exceeding 1 GSPS (giga samples per second), enabling it to capture rapid signal dynamics with exceptional fidelity. This capability is particularly valuable in applications where timing is crucial, such as radar systems or high-frequency trading in finance.

The HBG76 incorporates cutting-edge analog-to-digital conversion technology, ensuring that the signal integrity is maintained throughout the conversion process. With a resolution of up to 16 bits, the ADC delivers impressive accuracy and detail, facilitating high-quality signal representation. This feature is essential for applications requiring precise measurement and analysis of data.

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In terms of power efficiency, the HBG76 is designed with advanced low-power technologies that optimize its energy consumption without compromising performance. This feature is particularly beneficial for battery-operated devices and remote applications where power availability may be limited.

The robust design of the HBG76 ensures longevity and reliability in demanding environments. Its rugged casing provides protection against dust, moisture, and temperature extremes, making it suitable for outdoor use and harsh industrial settings.

Overall, the ADC HBG76 stands out as a powerful tool for data acquisition and processing, boasting high-speed sampling, excellent resolution, versatile connectivity, energy efficiency, and durability. Whether in research laboratories, industrial monitoring, or advanced telecommunications systems, the HBG76 is engineered to meet the evolving needs of modern applications, driving innovation across diverse sectors.
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