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FILE: 091-139-002 

DATE: 04-23-01 

                                                                                                                              REV.A: 2/24/04

 

INSTRUCTION MANUAL

 

 
 
 
 
 
 
 
 

AUTO ISOLATOR I 

AN AUTOMATIC LOSSLESS BATTERY ISOLATOR 

FOR DUAL BATTERY SYSTEMS

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

MODEL# 091-139-2-12

 

 
 

BATTERY VOLTAGE: 12 VDC 

OUTPUT: 12 VOLTS, 3 AMPS 

 

BATTERY PARALLELING SOLENOID: 200 AMPS

 

 
 
 
 
 
 

3 YEAR WARRANTY

 

 
 
 

 

Summary of Contents for 091-139-2-12

Page 1: ... REV A 2 24 04 INSTRUCTION MANUAL AUTO ISOLATOR I AN AUTOMATIC LOSSLESS BATTERY ISOLATOR FOR DUAL BATTERY SYSTEMS MODEL 091 139 2 12 BATTERY VOLTAGE 12 VDC OUTPUT 12 VOLTS 3 AMPS BATTERY PARALLELING SOLENOID 200 AMPS 3 YEAR WARRANTY ...

Page 2: ...noid Model 091 139 SOL 12HO for switching the batteries In addition to maintaining battery isolation the AUTO ISOLATOR I may parallel the batteries on engine starting if the auxiliary battery has sufficient charge to assist in the cranking A block diagram of the system appears in figure 1 ALTERNATOR MAIN BATTERY AUXILIARY BATTERY PARALLELING SOLENOID STARTER SOLENOID STARTER PUSH BUTTON MAIN BATTE...

Page 3: ...he paralleling solenoid if the engine doesn t start immediately and must be cranked a second time When the engine starts the alternator output raises the battery voltage This increase in voltage is detected and the paralleling solenoid is held energized charging both batteries If when the engine is started the auxiliary battery voltage is below 12 0 volts the paralleling solenoid is not energized ...

Page 4: ...LLELING SOLENOID 1 2 3 4 5 6 7 8 12VOLT FROM STARTER 12VOLT FROM GNITION SWITCH Model 091 139 12 AUTO ISOLATOR I INSTALLATION WIRING Figure 2 THIS LINE SUPPLIES THE POWER TO OPERATE THE SYSTEM SENSE LINE CONNECT DIRECTLY TO BATTERY SENSE LINE CONNECT DIRECTLY TO BATTERY THIS LINE ENERGIZES THE SOLENOID AT ENGINE START IF THE AUXILIARY BATTERY HAS SUFFICIENT VOLTAGE TO PROVIDE A BOOST NOTE POLARITY...

Page 5: ...LTAGE ADJUST INDICATOR ILLUMINATED WHEN MAIN BATTERY VOLTAGE IS ABOVE SETPOINT 13 3 VOLTS INDICATOR ILLUMINATED WHEN AUXILIARY BATTERY VOLTAGE IS ABOVE SETPOINT 12 0 VOLTS MEASURE AUX BAT VOLTAGE HERE MEASURE MAIN BAT VOLTAGE HERE ILLUMINATES DURING ENGINE CRANKING CW INCREASES VOLTAGE Figure 3 VOLTAGE ADJUSTMENTS AUTO ISOLATOR 1 R20 CR3 CR4 R16 I3 U5 U2 I4 8 7 6 5 4 3 2 1 C4 U4 R2 R21 R1 R3 U3 C5...

Page 6: ...le Battery load 000125 amps Output current 3 amps Weight 4 lbs SOLENOID Model 091 139 SOL 12HO Volts 12 volts D C Coil current 65 amps Contact rating 200 amps OUTLINE AUTO ISOLATOR I CONTROLLER 091 139 CONT12 3 30 3 60 2 80 OUTLINE AUTO ISOLATOR I SOLENOID 091 139 SOL 12HO 3 16 DIA 4 50 1 55 2 95 5 10 ...

Page 7: ...actory without charge any material or defects which become apparent in normal use within 3 years from the date the equipment was shipped Equipment is to be returned shipping charges prepaid and will be returned after repair shipping charges paid Kussmaul Electronics Company Inc shall have no liability for damages of any kind to associated equipment arising from the installation and or use of the K...

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