Peterbilt 379 Installation Guidelines

INSTALLING THE SUPPLY AIR DISTRIBUTION

For this installation, we will install 4" ducts. Depend- ing on the capacity of the system, you may have two or three vents supplied. You must use all vents supplied with the kit to get the rated air flow out of the system.

This kit comes with a duct combiner that allows one 4" duct to be vented into the truck’s pre-existing air distribution system. Find the combiner (Fig. 9), and mount to the bottom of the plastic duct that runs from the truck’s HVAC unit to the rear wall of the sleeper. You will have to cut out the duct so that the flapper damper can operate. Secure with screws.

The remaining 4" grill(s) can be located wherever you choose, however, be aware that cold air falls and hot air rises. It is best to install at least one vent high in the cab. Be creative. Use existing features to mount grills or hide ductwork, such as: cabinets, closets, bunk tray at the foot of the bed, wire chases, etc. The bunk tray is a good way to use what is existing:

•On the 379, 70" sleeper, remove the bunk tray at the foot of the bed. Cut a 5" hole in the metal below, and a 4" hole in the bunk tray in the same area. Mount one 4" vent into the bunk tray. Run the 4" duct up through the hole in the metal, and connect to the grill with a hose clamp. Replace the bunk tray.

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Figure 9 – Duct combiner

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Dometic 379 CHASSIS manual Installing the Supply AIR Distribution, Duct combiner
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379 CHASSIS specifications

The Dometic 379 Chassis is a cutting-edge solution designed for mobile living, catering to the diverse needs of modern RV and trailer enthusiasts. With an innovative blend of durability, performance, and smart design, the 379 Chassis stands out as a preferred choice for manufacturers and consumers alike.

One of the primary features of the Dometic 379 Chassis is its robust construction. Engineered from high-strength materials, this chassis provides exceptional resistance to wear and tear, ensuring longevity even under the stresses of heavy loads and varying terrains. The lightweight aluminum framework contributes to better fuel efficiency while maintaining structural integrity, making it an ideal choice for those who prioritize both strength and weight.

Advanced suspension technology is another hallmark of the Dometic 379. Featuring a sophisticated independent suspension system, it enhances ride quality by providing improved handling and stability. This system effectively absorbs road imperfections, ensuring a smooth and comfortable journey, whether on highways or rugged backroads.

The Dometic 379 Chassis is also equipped with innovative towing capabilities. Its design allows for easy integration with various towing vehicles and ensures secure connections, which is crucial for safe travel. Additionally, the chassis incorporates intuitive leveling systems that facilitate quick setup, reducing hassle during camping trips.

Safety is paramount in the design of the Dometic 379. The chassis features integrated braking systems that provide responsive stopping power while enhancing vehicle stability. Furthermore, its low center of gravity contributes to improved traction, decreasing the likelihood of swaying or tipping, thereby increasing safety on the road.

Technologically, the Dometic 379 Chassis integrates smart features such as modular construction. This allows for customizable configurations tailored to individual needs, promoting versatility in design and use. Whether outfitting a compact camper or a larger travel trailer, this chassis adapts seamlessly to various layouts.

Additionally, Dometic emphasizes environmental responsibility in the manufacturing of the 379 Chassis. Utilizing sustainable materials and efficient production methods, it minimizes its ecological footprint while delivering a high-quality product.

In summary, the Dometic 379 Chassis represents the perfect amalgamation of strength, technological advancement, and user-friendly features. Designed for both comfort and performance, it caters to the evolving demands of mobile living enthusiasts, making it a top-tier choice in the RV industry. Whether embarking on a weekend getaway or a cross-country adventure, the Dometic 379 Chassis ensures a reliable and enjoyable experience.
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