Volvo L-4 Installation Guidelines

Installing the Remaining 4” Ductwork and Grills

The location for the additional discharge grill or grills (one for the 10,000 BTU AC and two for the 14,000 BTU AC) is up to the installer or owner. Based on our experience with this truck chassis, we recommend the following (Fig. 17):

Up through the passenger-side cabinet

Low on the floor, driver’s side, in front of the cabinets

You will need to install a new plenum on top of the CHEB unit. Use a ¼" nut driver to remove the plastic 7" hose adaptor. Remove the top cover plate with the four screws, and reinstall on the side hole. Find the 4 x 4 x 4" three-way plenum or 4 x 4" two-way plenum. Reinstall the screws into the new plenum (Figs. 18a- 18b).

Important! Refer to the Dometic instal- lation manual for details in connecting ductwork to the discharge grills and CHEB plenum.

Figure 17 - 4" ducts installed low on the floor on the driver’s side

Figure 18a - Installing the air distribution plenum

Figure 18b – Installing the air distribution plenum

Figure 19 - CHEB with ductwork installed

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Dometic VN670, VN630 manual Ducts installed low on the floor on the driver’s side

VN670, VN630 specifications

Dometic, a global leader in mobile living solutions, has produced two standout models in their lineup: the Dometic VN670 and VN630. These innovative portable refrigerators are designed for those who demand high performance and reliability while on the go, whether for camping, RV-ing, or simply enjoying the great outdoors.

Both the Dometic VN670 and VN630 feature an ultra-efficient compressor cooling technology that provides fast and consistent temperature control, even in extreme environments. This ensures that food and beverages remain fresh and cold, catering to the needs of campers and travelers alike. With the ability to operate efficiently on both AC and DC power sources, they are versatile enough for use in vehicles, boats, or off-grid setups.

The VN670 offers an impressive capacity of 65 liters, making it ideal for larger groups or extended trips. It features a removable basket that allows for easy organization of contents, and multiple storage compartments ensure efficient space utilization. Meanwhile, the VN630, with its 30-liter capacity, is perfect for solo travelers or couples, striking a balance between size and portability without sacrificing cooling performance.

Both models come equipped with a digital control panel, providing intuitive operation and easy temperature adjustments. The inclusion of Bluetooth technology in the VN670 allows users to monitor and control settings remotely via a smartphone app, adding a layer of convenience for tech-savvy adventurers.

Another defining characteristic of these models is their robust construction, designed to withstand the rigors of outdoor use. The exteriors are built from durable materials that are resistant to shocks and impacts, ensuring longevity even in challenging conditions. Additionally, both models feature low-energy LED lighting, enhancing visibility when accessing the contents in dimly lit settings.

One of the key features for energy-conscious users is the energy-saving mode integrated into both units. This function optimizes performance based on the ambient temperature and the number of contents stored, minimizing energy consumption without compromising cooling effectiveness.

The Dometic VN670 and VN630 embody the perfect blend of advanced technology, practical design, and durability. With these portable refrigerators, outdoor enthusiasts can enjoy the convenience of a home-style cooling solution wherever their adventures take them. Whether it's a weekend camping trip or a long road journey, Dometic's commitment to quality and innovation ensures that food and drinks will stay perfectly chilled.