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Charles 93-12PREG, Installation Instructions & Owner'S Manual, Page: 5 / 11

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Charles 93-12PREG Installation Instructions & Owner'S Manual Download Page 5

 LT-12PREG-1

5

 Charles Industries, Ltd. All rights reserved. Printed in the United States of America.

WIRING

The wiring diagram shown in Figure 2 is the only way to wire the regulator. Do not wire in any other way (such as
combining ground wires or battery positive wires).

Note:

The parallel solenoid, the error lamp, and the status lamp are wired to their respective outputs with their
other connection returned to ground. All inputs at the terminal block are activated when they are con-
nected to battery voltage. Leave terminals open if they are unused.

 Use fuses where shown. Failure to do so may result in fire.

DANGER

TB1—Make connections,
then plug in to PCB

Remove bottom screws (both
sides) and lift the cover.

Battery type
selector

P1

P2

R12

R11

Figure 1.  Connecting the Terminal Block to the Alternator Regulator

Summary of Contents for 93-12PREG

Page 1: ...Charles Industries Ltd All rights reserved Printed in the United States of America C CHARGER INSTALLATION INSTRUCTIONS OWNER S MANUAL Models 93 12PREG 93 24PREG 9A 12PREG 9A 24PREG Marine Electronic Alternator Regulator Charles Industries Ltd ...

Page 2: ...ecaution 4 Disassembly Precaution 4 MOUNTING 4 Choosing Mounting Hardware 4 Mounting the Alternator Regulator 4 WIRING 5 Voltage and Absorption Time Setpoints 8 OPERATING THE ALTERNATOR REGULATOR 8 At Power Up 8 Input Priority 8 ABS Input 9 LOCK Input 9 Current Limiting LIM EQL 9 Equalization 9 The STATUS LED 10 The ERROR LED 10 ALTERNATOR REQUIREMENTS 10 TROUBLESHOOTING 10 WARRANTY CUSTOMER SERVI...

Page 3: ...d the entire manual before using this unit Also read all instructions and cautions for and on the Alternator Regulator Installation Precaution Boat wiring is a complex task that can cause shock corrosion and other hazards if not done properly by trained experienced personnel For more information on this subject contact the American Boat and Yacht Council ABYC or see the standards and regulations b...

Page 4: ...oose should be backed with a flat washer and kept vibra tion free with a split ring lock washer If using bolts they must be secured on both sides of the bulkhead and also backed with a washer or washer plate If using screws they should be at least 1 long All hardware must be cor rosion resistant stainless steel or cadmium plated steel Mounting the Alternator Regulator The regulator is protected ag...

Page 5: ...r lamp and the status lamp are wired to their respective outputs with their other connection returned to ground All inputs at the terminal block are activated when they are con nected to battery voltage Leave terminals open if they are unused Use fuses where shown Failure to do so may result in fire DANGER TB1 Make connections then plug in to PCB Remove bottom screws both sides and lift the cover ...

Page 6: ...uit 2003 Alarm Error Lamp STARTER BANK SOL 12 or SOL 24 ND continuous duty type 14 AWG 16 AWG To EMS F2 3A fast blow Current limit enable Equalization enable PD Status Lamp WARNING Connect this wire first Figure 2 Alternator Regulator Wiring Diagram Table 1 Notes for Figure 2 Required in line fuse and holder or equivalent Optional The temperature sensor wires should be a twisted pair at a minimum ...

Page 7: ...nds on how much current is being produced by the alternator and varies from zero to battery voltage 6 ALT GND YES The return line for field current Note Absence or loss of this connection will prevent charging Do NOT jumper this wire to the ground tab 7 LOCK NO If connected to battery voltage the regulator is locked at battery gassing voltage typically 13 8 volts Used to prevent higher voltages wh...

Page 8: ...able 4 Voltage and Absorption Time Dipswitch Settings Battery Type S1 1 S1 2 S1 3 Absorption v Float v Eq v Thick Plate Liquid OFF OFF OFF 14 4 13 6 16 2 Medium Plate Liquid ON OFF OFF 14 4 13 6 16 2 East Penn Gel OFF ON OFF 14 1 13 4 Concorde AGM ON ON OFF 14 3 13 3 15 5 Optima OFF OFF ON 14 3 13 4 15 5 Exide Gel ON OFF ON 14 2 13 4 Johnson Control Gel OFF ON ON 14 2 13 4 Ample Power Gel ON ON ON...

Page 9: ... engine Two settings are available LIM and EQL EQL overrides the LIM input For normal limiting on a small engine use the LIM input The EQL input can be connected to the same switch that enables another load on the engine For instance a clutch driven pump may require a further reduction in current in that case wire the EQL input to the switch that activates the clutch for the water pump The potenti...

Page 10: ...onnected 3 1 Over temperature 3 3 Voltage runaway 6 3 Bad temperature sensor 6 6 Field short circuit 3 6 ALTERNATOR REQUIREMENTS The alternator must be an externally regulated model with one brush connected to ground and the other brush fitted with a connection to make the field connection P type Note Alternators not rated for continuous operation at high current and temperature may fail when driv...

Page 11: ...ice take the following steps 1 Contact Charles Marine Products Customer Service and obtain a Returned Goods Authorization RGA number and a Service Center address 2 Ship or mail the Alternator Regulator together with the RGA to the appropriate Service Center Shipping costs to and from the Service Center are your responsibility 3 When service is completed Charles Marine Products will return the Alte...

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