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Dometic VN 770 Installation Manuallines

Domestic remote auxiliary air installation guidelines.

 
ENGLISH
Remote auxiliaRy aiR conditioning
and aiR distRibution systems
foR volvo l-5 chassis
installation guidelines
For Volvo Truck Models VN 770, 780, 830, 880
Dometic Environmental Corporation
Rev. 20071204
L-2485

Summary of Contents

  • Page 1

    ENGLISH Remote auxiliaRy aiR conditioning and aiR distRibution systems foR volvo l-5 chassis installation guidelines For Volvo Truck Models VN 770, 780, 830, 880 Dometic Environmental Corporation Rev. 20071204 L-2485...

  • Page 2

    Dometic Environmental Corporation. Every precaution has been taken in the preparation of this manual to insure its accuracy. However, Dometic Environmental Corporation assumes no responsibility for errors and omission. Neither is any liability assumed...

  • Page 3: Table Of Contents

    - air distribution system dometic tRuck Remote auxiliaRy ac systems foR volvo l-5 chassis contents intRoduction installing the contRol Required Tools Installing the Qt Digital Display Mounting the Power Logic Box Routing Cables installing the RetuRn aiR vent...

  • Page 4: Introduction, Installing The Control, Required Tools, Installing The Qt Digital Display

    intRoduction The instructions that follow represent years of development of parts and procedures that make the system perform well and appear “factory-installed.” Figure 1. Typical Control Installation installing the contRol Mount the control in a place that provides the driver convenient access.

  • Page 5: Mounting The Power Logic Box

    volvo l-5 a/c - air distribution system Figure 2. Mounting location for Power Logic Box mounting the power logic box The Power Logic Box (PLB) will be mounted under the rear, center portion of the bunk (see Figure 2). To accomplish this, first remove the carpeted panel at the rear of the bunk.

  • Page 6: Routing Cables

    Figure 3. Fastener location on Power Logic Box onto the machine screws. Secure the box with four nuts and lockwashers. KEPS nuts are easiest to use. Routing cables The box has several different types of cables: • Wires enclosed in split loom •...

  • Page 7: Installing The Return Air Vent, Installing The Supply Air Distribution, Volvo Ductwork

    volvo l-5 a/c - air distribution system Figure 4. Vent location installing the RetuRn aiR vent The supplied return air vent should be installed under the bunk in the side panel, either on the passenger or driver side. The passenger side is recommended as there is less chance that it will get blocked by objects in the luggage compartment, and it will also allow easy access to the refrigerant fitting.

  • Page 8

    volvo l-5 a/c - air distribution system Figure 5. Location of installed ductwork Figure 6. Footwell removed english...

  • Page 9

    volvo l-5 a/c - air distribution system Figure 7. Removal of sensor. Figure 8a. Four inch hole cut in Volvo duct. Figure 8b. Installation of grill and ducting. english...

  • Page 10: Custom Air Distribution Plenum, Preparing For Mounting The Footwell And Air Plenum, Re-installing The Footwell

    Figure 9. Installing the weatherstripping on the custom plenum. Locate the V4 RND BLACK 4" grill. Using two cable ties, secure the vanes so that they will not turn. See Figure 8a and 8b. Use a length of the supplied weather stripping under the lip of the grill to prevent air from leaking after installation.

  • Page 11

    volvo l-5 a/c - air distribution system Figure 10. Preparing to install grills in footwell cover. Figure 11. Location of cut out for ductwork. english...

  • Page 12

    volvo l-5 a/c - air distribution system Figure 12a. Template for 4" duct for 10K unit english...

  • Page 13

    volvo l-5 a/c - air distribution system Figure 12b. Template for 6" duct for 14K unit english...

  • Page 14: Installing The Plenum On The Front Of The Cheb, Installing The Cheb

    Figure 13. Supply Air Distribution Plenum. installing the plenum on the front of the cheb Using a ¼" nutdriver, remove the plastic 5" or 7" oval hose adaptor. Find the 4"x 6" (or 4"x4") distribution plenum. Install the weather stripping on the contact surfaces and place over the hole on the unit.

  • Page 15

    volvo l-5 a/c - air distribution system Figure 14. CHEB installed in passenger luggage box. • One inboard on the CHEB at the corner nearest the rear of the truck • One on the front, outboard • One on the outboard near the air distribution plenum •...

  • Page 16

    Figure 15. View of supply ducting connected. Be sure to get the face and the threads. Hand tighten the quick connect, making sure they thread correctly. Tighten with the correct wrenches (13/16", ¾", and 15/16"). Tighten to 10-12 ft-lbs. note: Any hissing that is heard during the tightening process, is caused by the fittings that are not quite in line.

  • Page 17: Installing The Condenser

    - air distribution system Figure 16. Condenser installed on mounting plate. installing the condenseR The Dometic condenser may be installed either under or behind the sleeper. These installations (and the parts in the kit) are for an installation underneath the sleeper.

  • Page 18: Routing The Refrigerant Lines And Condenser Power Cable

    Figure 17. Routing of refrigerent lines. Routing the RefRigeRant lines and condenseR poweR cable The refrigerant lines will pass over the exhaust pipe, then over top of the condenser mounting plate, and back around to the quick connect. Connect the quick connects in the manner described previously.

  • Page 19

    volvo l-5 a/c - air distribution system Figure 17. Heat shield installed. Figure 18. Routing of refrigerent lines english...

  • Page 20: Testing The Installation

    Figure 20. Routing of refrigerant lines. testing the installation Supply power to the power distribution panel with either shorepower or generator power. Look at the display panel and confirm that the display is lit up. Press the FAN button to activate the fan in manual mode.

  • Page 24

    P.O. BOX 15299 I RICHMOND, VA 23227 USA I 804-746-1313 I FAX 804-746-7248 www.DometicTruck.com I sales@DometicTruck.com united states & canada seRvice only 8:00 AM to 5:00 PM Eastern Time For all other areas visit our website to find your nearest distributor.

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