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Dometic Environmental Corporation
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
Weekdays 8:00 am to 5:00 pm (Eastern Time) 804-746-1313
All other times 888-440-4494
ID: 2597 Rev. 20080408 For all other areas visit our website to find your nearest distributor.
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ENGLISH BATTERY-POWERED SYSTEMS FOR DOMETIC AUXILIARY AIR CONDITIONING SYSTEMS INSTALLATION GUIDELINES Dometic Environmental Corporation Rev. 20080408 ID: 2597
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COPYRIGHT © 2008 Dometic Environmental Corporation, All Rights Reserved. No part of this publication may be reproduced, translated, stored in a retrieval system, or transmitted in any form or by any means electronic, mechanical, photo- copying, recording or otherwise without prior written consent by 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
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Battery-Powered Systems Installation Guidelines CONTENTS NOTES AND WARNINGS 4 INSTALLING Th E BATTERIES 5 INSTALLING ADDITIONAL BATTERY BOXES 6 WIRING Th E NEW BATTERIES 6 INSTALLING Th E BATTERY FUEL GAUGE 7 INSTALLING Th E INVERTER 7 OPTIONAL: INSTALLING Th E INVERTER/Ch ARGER 7 INSTALLING Th E INVERTER CONTROLS 8 INSTALLING Th E ALTERNATOR 9 INSTALLING Th E REGULATOR 10 – 11 TESTING Th E ALTERNATOR 12 WIRING Th E 120VAC POWER TO Th E h VAC UNIT 12 OPTIONAL: INSTALLING 120VAC OUTLETS INSIDE Th
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Battery-Powered Systems Installation Guidelines NOTES AND WARNINGS IMPORTANT The Dometic battery-powered air conditioning system is an integrated package of components which have been carefully selected and tested to work together for proper performance. The system includes: • Inverter (or optional inverter with built-in charger) • High-capacity alternator with external regulator • AGM Group 31 batteries • Shorepower connection (optional) • Inside AC power plugs (optional) • Dometic air
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Battery-Powered Systems Installation Guidelines INSTAllING ThE BATTERIES You will replace the standard lead-acid batteries with absorbed glass mat (AGM) batteries (Fig. 1) and also add extra AGM batteries to get extended time running on battery power. The first step is to find space for the extra batteries and inverter. Note that whenever possible the inverter should be mounted in the same box with the batteries. Available space will vary based on the truck specificat
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Battery-Powered Systems Installation Guidelines INSTAllING ADDITIONAl BATTERy BOES x Conductors between each battery should be of the same size as conductors between each bank. W e Boxes should be mounted with cabling in mind. The normally recommend at least 2/0 gauge. shorter the cables the less voltage drop and the less Conductors should be as short as possible and should chance for chafing and rubbing. be routed and clipped securely so as to prevent Mount Dometic battery box
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Battery-Powered Systems Installation Guidelines INSTAllING ThE BATTERy FuEl GAuGE INSTAllING ThE INvERTER Follow the manufacturer’s instructions to install the Follow the manufacturer’s instructions. Here are some battery fuel gauge. other suggestions: The shunt must be connected between the last battery The inverter should be installed in the same box as and the inverter negative post. You may install the the batteries, so as to keep the cable lengths short, shunt at the battery or at the
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Battery-Powered Systems Installation Guidelines INSTAllING ThE INvERTER CONTROlS The inverter controls should be mounted in an easily accessible place, probably the same area in which you will mount the HVAC controls (Fig. 5). Consider first the area at the head of the bed (driver’s side of the truck). Usually the truck’s HVAC controls are mounted here and provide a wire chase for your use. Inverter control If you are installing in a day cab, and the inverter controls consist of a switch t
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Battery-Powered Systems Installation Guidelines INSTAllING ThE AlTERNATOR Follow the instruction manual included with the alternator/regulator. Here are a few additional tips. The new alternator should directly replace the existing one (Fig. 6) (i.e., pad mount or J180 mount). If not, you need to request the correct model. The alternator amp rating is based on the number of batteries in your system and may be different on different applications. You will have to reuse the alternator pulley.
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Battery-Powered Systems Installation Guidelines INSTAllING ThE REGulATOR Follow the instruction manual included with the alternator/regulator. Here are a few additional tips. Mount the r egulator inside the truck (Fig. 7), in an accessible area, so that the LED display can be seen. The wiring harness has two main separate harnesses. One goes to the battery box and one to the alternator. Follow the wiring directions included. Only one of the wires marked “Ignition” will be used. U
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Battery-Powered Systems Installation Guidelines ChARGE lIGhT CIRCuIT FOR AlTERNATORS WITh INTEGRAl (Built-In) REGulATORS Negative Ground Circuit 12 volts, 1 amp, D.C., Single Pole, normally closed contacts, insulated coil ENGLISH 11
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Battery-Powered Systems Installation Guidelines TESTING ThE AlTERNATOR WIRING ThE 120AC v pOWER TO ThE hvAC uNIT Follow the manufacturer’s recommendations to test the alternator and regulator functions. Instructions are Follow the directions and wiring diagrams in your air in the regulator manual. conditioner installation manual. You will need a volt meter. The connection of the 120VAC cable to the inverter should be done with either the extension cable There is a small door on the regula
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Battery-Powered Systems Installation Guidelines OpTIONAl: INSTAllING 120vAC OuTlETS INSIDE ThE SlEEpER If so equipped, the system will have 120VAC outlets that can be installed inside the sleeper for accessory use. The outlets may be installed anywhere inside the sleeper, however, they should be installed in an area that makes sense for the loads the driver will be applying (i.e., probably near one cabinet or the other). The outlets should be installed with the Y-cable connection to th
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Battery-Powered Systems Installation Guidelines hvAC SySTEm pOWERED By INvERTER AND mulTIplE STARTING/DEEp CyClE BATTERIES 14 ENGLISH DC Wiring AC Wiring 120VAC Line HVAC Unit Alternator Inverter - + Battery 3 Battery 2 Battery 1 NOTES: 1) Batteries must be of the AGM dual purpose + + - + - - deep cycle/starting type. 2) Alternator should be upgraded. Discuss with Dometic Applications Department for Overcurrent Protector recommendation. 3) Inverter must be of approved type by Dometic in orde
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Battery-Powered Systems Installation Guidelines hvAC SySTEm pOWERED By INERTER v AND SEARATE p BATTERy BANS k WITh BATTER y SEARATOR p ENGLISH 15 DC Wiring AC Wiring 120VAC Line HVAC Unit Alternator Inverter + - Battery Separator House Start House Start House House Battery 4 Battery 2 Battery 3 Battery 1 Battery 1 Battery 2 - + + - - + - + - + - + Overcurrent Protection NOTES: 1) House batteries must be of the AGM dual 3) Inverter must be of approved type by Dometic purpose deep cycle/starting
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Battery-Powered Systems Installation Guidelines hvAC SySTEm pOWERED By INERTER v AND SEpARATE BATTERy BANS k WITh SEpARATOR - ShOREpOWER AND CAB pOWER OuTlETS 16 ENGLISH DC Wiring AC Wiring 120VAC Line HVAC Unit Shorepower Inlet Cab Power Y-Cord Outlets Alternator Splitter Inverter with Shorepower Pass-Thru Capability OR Inverter/Charger + - House House Start House House Start Battery Battery 4 Battery 3 Battery 2 Battery 1 Battery 2 Battery 1 Separator + - - - - + + + - + + - Overcurrent Pro
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Battery-Powered Systems Installation Guidelines hvAC SySTEm pOWERED By INvERTER AND SEARATE p BATTERy BANkS WITh SEARATOR p - ShOREpOWER CAABI p lITy ENGLISH 17 DC Wiring AC Wiring HVAC Unit 120VAC Line Shorepower Inlet Alternator Inverter with Shorepower Pass-Thru Capability OR Inverter/Charger + - House House Start Start House House Battery Battery 4 Battery 3 Battery 2 Battery 1 Battery 1 Battery 2 Separator + - - - - + + + + - + - Overcurrent Protection NOTES: 1) House batteries must be of
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Battery-Powered Systems Installation Guidelines hvAC SySTEm pOWERED By INvERTER - SINGlE STARTING/hOuSE BATTERy BANk - ShOREpOWER WITh CAB pOWER OuTlETS 18 ENGLISH DC Wiring AC Wiring 120VAC Line HVAC Unit Shorepower Inlet Alternator Cab Power Outlet Y-Cord Splitter to GFCI Receptacle Battery 6 Battery 3 Battery 5 Battery 2 Battery 4 Battery 1 - + - + + - + + - + - - - + Overcurrent Protection Inverter with Shorepower Pass-Thru Capability OR Inverter/Charger NOTES: 1) House batteries must be
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Battery-Powered Systems Installation Guidelines hvAC SySTEm pOWERED By INvERTER - SINGlE STARTING/hOuSE BATTERy BANk - ShOREpOWER CAABI p lITy ENGLISH 19 DC Wiring AC Wiring HVAC Unit Shorepower Inlet Alternator 120VAC Line Battery 6 Battery 3 Battery 5 Battery 4 Battery 2 Battery 1 + - + - + - + + - + - - - + Overcurrent Protection Inverter with Shorepower Pass-Thru Capability OR Inverter/Charger NOTES: 1) House batteries must be of the AGM dual 3) Inverter must be of approved type by Dometic
