Instruction/ maintenance manual of the product VN 780 Dometic
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ENGLISH Dometic Environmental Corporation Rev . 20071204 L-2485 REMOTE A UXIL IARY AIR COND ITION ING AND AIR DIST RIBUT ION S YSTEMS FOR V OL V O L -5 CHASSIS INST ALLA TION GUIDEL INES For V ol vo T.
COPYRIGHT © 2007 Dometic Corporation, All Rights Reserved. No part of this publication may be repr oduced, translated, stored in a retrieval system, or transmitted in any form or by any means electr onic, mechanical, photocopying, recording or otherwise without prior written consent by Dometic Environmental Corporation.
ENGLISH 3 V olvo L-5 A/C - Air Distribution System DOMETI C TRUCK REMO TE A UXIL IARY A C S YSTEMS FOR V OL V O L -5 CHASSIS CONTENTS INTRODUCTION 4 INST ALLING THE CONTROL 4 Required T ools 4 Install.
ENGLISH V olvo L-5 A/C - Air Distribution System 4 The instructions that follow represent years of development of parts and procedures that make the system perform well and appear “factory-installed.” INTRO DUCTI ON INST ALL ING TH E CONT ROL Mount the contr ol in a place that provides the driver convenient access.
ENGLISH 5 V olvo L-5 A/C - Air Distribution System Mounting the Power Logic Box The Power Logic Box (PLB) will be mounted under the rear , center portion of the bunk (see Figure 2). T o accomplish this, rst remove the carpeted panel at the rear of the bunk.
ENGLISH V olvo L-5 A/C - Air Distribution System 6 onto the machine screws. Secure the box with four nuts and lockwashers. KEPS nuts are easiest to use.
ENGLISH 7 V olvo L-5 A/C - Air Distribution System INST ALL ING TH E RETU RN AI R VENT The supplied return air vent should be installed under the bunk in the side panel, either on the passenger or driver side.
ENGLISH V olvo L-5 A/C - Air Distribution System 8 Figure 5. Location of installed ductwork Figure 6. Footwell removed.
ENGLISH 9 V olvo L-5 A/C - Air Distribution System Figure 7. Removal of sensor . Figure 8a. Four inch hole cut in V olvo duct. Figure 8b. Installation of grill and ducting.
ENGLISH V olvo L-5 A/C - Air Distribution System 10 Locate the V4 RND BLACK 4" grill. Using two cable ties, secure the vanes so that they will not tur n. See Figure 8a and 8b. Use a length of the supplied weather stripping under the lip of the grill to pr event air from leaking after installation.
ENGLISH 11 V olvo 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 V olvo L-5 A/C - Air Distribution System 12 Figure 12a. T emplate for 4" duct for 10K unit 0 5 . 3 2.00 Cut with 3.5" holesaw Cut with reciprocating saw.
ENGLISH 13 V olvo L-5 A/C - Air Distribution System 3.50 0 0 . 4 Drill with 4" hole saw Cut with reciprocating saw Figure 12b. T emplate for 6" duct for 14K unit.
ENGLISH V olvo L-5 A/C - Air Distribution System 14 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.
ENGLISH 15 V olvo L-5 A/C - Air Distribution System • One inboar d on the CHEB at the cor ner nearest the rear of the truck • One on the front, outboard • One on the outboard near the air distri.
ENGLISH V olvo L-5 A/C - Air Distribution System 16 Be sure to get the face and the threads. Hand tighten the quick connect, making sure they thr ead correctly . Tighten with the correct wrenches (13/16", ¾", and 15/16"). Tighten to 10-12 ft-lbs.
ENGLISH 17 V olvo L-5 A/C - Air Distribution System Figure 16. Condenser installed on mounting plate. INST ALL ING TH E COND ENSER The Dometic condenser may be installed either under or behind the sleeper . These installations (and the parts in the kit) are for an installation under neath the sleeper .
ENGLISH V olvo L-5 A/C - Air Distribution System 18 ROUTI NG TH E REFR IGERAN T LINES AND CONDEN SER PO WER CABLE The refrigerant lines will pass over the exhaust pipe, then over top of the condenser mounting plate, and back ar ound to the quick connect.
ENGLISH 19 V olvo L-5 A/C - Air Distribution System Figure 17. Heat shield installed. Figure 18. Routing of refrigerent lines.
ENGLISH V olvo L-5 A/C - Air Distribution System 20 Figure 20. Routing of refrigerant lines. TESTI NG TH E INST ALL A TIO N Supply power to the power distribution panel with either shorepower or generator power . Look at the display panel and conrm that the display is lit up.
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Dometic Environmental Corporation P .O. BOX 15299 I RICHMOND, VA 23227 USA I 804-746-1313 I F AX 804-746-7248 www .DometicT ruck.com I sales@DometicT ruck.com UNITED STA TES & CANADA SERVICE ONL Y 8:00 AM to 5:00 PM Eastern Time For all other areas visit our website to nd your nearest distributor .
An important point after buying a device Dometic VN 780 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Dometic VN 780 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Dometic VN 780 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Dometic VN 780 you will learn all the available features of the product, as well as information on its operation. The information that you get Dometic VN 780 will certainly help you make a decision on the purchase.
If you already are a holder of Dometic VN 780, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Dometic VN 780.
However, one of the most important roles played by the user manual is to help in solving problems with Dometic VN 780. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Dometic VN 780 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
