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ELECTRICAL SYSTEM
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02 Copyright © Hanmar Motor Corporation 2005
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AUXILIARY BATTERY AND ISOLATOR:
The auxiliary battery is a group 27 lead acid battery.The auxiliary battery is located behind the passenger side
access door found behind the rear wheel, see section on Auxiliary Battery.To access the battery refer to the
auxiliary battery section found in the Daily Living section.
The auxiliary battery is automatically charged through the isolator by the engine’s alternator while the engine is
running.This battery is also automatically charged by the inverter / charger when:
1. The battery disconnect switch on the monitor panel is set to the “ON”position prior to connection to an
outside electrical power source.
2. Your vehicle is connected to an outside electrical power source.
3. The breakers in the distribution panel are in the “ON”position.
4. While the generator is in operation, (if equipped).
A disconnect switch, located on the monitor panel, provides a disconnect for the auxiliary battery from the 12V
system while your vehicle is not in use.
Since the auxiliary battery is a deep-cycle type,it may be discharged completely and recharged without damage,
(whereas the automotive battery is designed to be kept fully charged by the alternator and may undergo damage
if fully discharged).However, a battery should never remain in a discharged state and should be recharged
immediately to prevent damage.When not in use, the auxiliary battery will slowly discharge on its own.
Accordingly,if the battery is not being used,it should be recharged monthly by connecting to an outside electrical
power source,by operating the generator,(if equipped) for at least 12 hours, or by running your vehicle’s engine for
a minimum of 2 hours.
The isolator is located under the hood in the engine compartment.The isolator allows the alternator to charge
both the automotive and auxiliary batteries when the engine is running,and it will prevent your vehicle’s 12V
motorhome equipment,(interior lights, water pump,exhaust fans, furnace blower, etc.) from drawing on the
automotive battery.
AUTOMOTIVE BATTERY:
The automotive radio in your vehicle will exert a small draw on the automotive battery to maintain the time and
preset stations.
To prevent the battery from being completely discharged, the radio should be disconnected from the
automotive battery when your vehicle will be out of service for 2 months or more.Failure to do this may risk
voiding the warranty.
The radio can be disconnected by removing the 10 amp.radio fuse from the automotive fuse block,located at the
left underside of the dash, or by disconnecting the negative automotive battery cable. See Automotive Owners
Manual for full radio operating instructions.
INTERIOR CAB LIGHT :
The interior 12V cab light located on the underside of the cab ceiling panel has a multipurpose switching system.
This switching system utilizes the switch on the light itself and the dash mounted headlight switch, located to the
left of the steering wheel.
Refer to the Chevrolet’s Owner’s Manual for complete operation instructions.
RANGE HOOD EXHAUST FAN:
The range hood exhaust fan should be on while the propane stove is in operation.
The operation switches for the fan and light are located on the face of the fan.
WATER HEATER :
The Roadtrek is equipped with a dual mode water heater.The water heater may be operated by 110V power or
propane.Please refer to the Suburban owner’s manual for complete operation instructions.