
INSTRUCTION MANUAL
AUTO CHARGE 1
IM_091-31-12-115/230
Revision A, 12-09-04
MODEL(S): 091-31-12-115
091-31-12-230
OUTPUT: 13.25 VOLTS DC, 1 AMPERE.
INPUT: 115VAC, 50/60HZ
or
230VAC, 50/60HZ
3 YEAR WARRANTY
KUSSMAUL ELECTRONICS CO., INC.
170 CHERRY AVE., WEST SAYVILLE, N.Y. 11796
TEL: in NY 631-567-0314 TOLL FREE: 800-346-0857 FAX: 631-567-5826

INTRODUCTION
The Model 091-31-12-115/230 automatic battery charger is a completely automatic battery
charger designed to charge small lead-acid batteries at a rate of 1 ampere or less.
The unit is current limited to 1 ampere and provides a low ripple charging current.
The charger will charge the batteries whenever their float voltage drops. When the batteries are
fully charged, all charging stops. Any load applied to the battery when the charger is connected
and energized will automatically be supplied by the charger up to the maximum 1 ampere
capacity.
The Model 091-31-12-115/230 is factory set for 115VAC or 230VAC primary power operation
at time of order. Please verify that installation primary power and 091-31-12-115/230 input
power requirements are correct prior to installation and operation.
SPECIFICATIONS:
Input: 115VAC or 230VAC +/- 10 volts, 50/60 Hertz. Factory Set
Output: DC, 13.25 Volts, Ripple: less than 100 mv Current: 0 to 1 amp depending
on battery state of charge
Input Wiring: #18 AWG: Blue and Brown, Refer to Figure 1.
Output Wiring: Via P1/J1: Refer to Figure 1
Power Indicator: none
Weight: 19 ounces

FIGURE 1
INSTALLATION and WIRING
BROWN
BLUE
BROWN
BLUE
21
+
BATTERY
W I RE COLOR * 5 0 / 6 0 Hz VAC CONN ECTION
BROWN
BLUE
* 115VAC OR 230VAC OPERATION SET AT FACTORY.
CHECK SERIAL NUM BER TAG FOR VAC INPUT SETTI N G BEFORE I NSTALLATI ON.
115/ 230VAC AC Line
115/ 230VAC AC Return

INSTALLATION RECORD & WARRANTY
Date Installed
Installed By
Vehicle Identification
Vehicle Owner
WARRANTY
All products of Kussmaul Electronics Company Inc. are warranted to
be free of defects of material or workmanship. Liability is limited to repairing or replacing at our factory, without charge, any material or defects
which become apparent in normal use within 3 years from the date the
equipment was shipped.
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 Kussmaul Electronics Company, Inc. products. The purchaser, by the acceptance of the equipment, assumes all liability for any
damages which may result from its installation, use or misuse, by the
purchaser, his or its employees others.