FILE: IM_091-92A-12_revA
DATE: 02-15-2012
INSTRUCTION MANUAL
BATTERY SAVER LR HO
LOW RIPPLE POWER SUPPLY / AUTOMATIC LOAD SWITCH
FOR 12VDC VEHICLE SYSTEMS
MODEL #091-92A-12
INPUT: 120 Volts, 50/60 Hz AC, 1.8 Amps RMS
OUTPUT: 13.2VDC, 10 Amps DC, Low Ripple
3 YEAR WARRANTY
KUSSMAUL ELECTRONICS CO., INC.
170 CHERRY AVE., WEST SAYVILLE, N.Y. 11796-1221
TEL: in NY 631-567-0314 TOLL FREE: 800-346-0857 FAX: 631-567-5826
INTRODUCTION
The Battery Saver Low Ripple (BSLR) is a power supply with a load power transfer function.
Loads connected to the BSLR are powered by the vehicle’s battery when the AC power to
the BSLR is OFF. When AC power is applied to the BSLR special circuitry within the Battery
Saver transfers the load(s) to the Battery Saver output. The Battery Saver output then
provides low ripple 12VDC System power to Battery Saver load(s). Installation of a Battery
Saver eliminates the power drain on a vehicle battery and or a battery under-charge
ensuring all vehicle battery charger power is available to charge the battery.
This Battery Saver is unique in that there is no interruption of power supplied to the loads
during power transfers. The feature makes the BSLR ideal for Mobile Data Terminal (MDT)
and or 12VDC vehicle computer systems that may "re-boot" during an input power
interruption.
INSTALLATION
1. Mount the Battery Saver in a convenient location with 4 screws in the mounting
holes provided. Be certain that adequate ventilation is available and that the unit is
not subject to weather damage.
2. Connect the 120VAC input power to the Battery Saver using the suppled IEC line
cord as shown in INSTALLATION WIRING DIAGRAM, See Figure 1.
3. The low voltage connections are made through the DC output connector as shown
in INSTALLATION WIRING DIAGRAM, See Figure 1.
1. Connect terminal 1 to the vehicle’s 12 volt battery (+).
2. Connect terminal 2 to the vehicle ground or to the battery (-).
3. Connect terminal 3 to the +12 volt electrical loads.
The installation is now complete. Loads connected to the Battery Saver will be
powered from the vehicle battery when the AC power to the Battery Saver is OFF and
from the Battery Saver output when the AC power is ON.
OPERATION and TEST
Operation:
The Battery Saver Low Ripple eliminates power delivery "glitches" or interruptions during
load power transfer(s) from:
> Vehicle Battery to Battery Saver: Five (5) second delay as Battery Saver
output stabilizes. Installation Test para. 3.2.
> Battery Saver to Vehicle Battery: No delay. The MINIMUM voltage at the load
during any power transition is: Vehicle Battery VDC - 1.3VDC for a MAXIMUM
of 150 milli-seconds (0.150 seconds).
Indicators:
The BSLR system front panel contains two (2) Green LEDs as follows: Refer to the
INSTALLATION WIRING DIAGRAM, See Figure 1.
> Battery Connected LED: Illuminates when the battery is properly connected
to the Batter Saver.
> Battery Saver ON LED: Illuminates when Battery Saver is receiving AC
power and the power supply internal to the Battery Saver is ON.
Installation Test:
1. Remove AC power from the BSLR.
2. Verify "BAT SVR ON" LED is OFFand loads are being powered by vehicle
battery (voltage at load is approximately equal to vehicle battery terminal
voltage).
3. Apply AC power to BSLR and verify:
1. "BAT CONNECTED" remains illuminated.
2. "BAT SVR ON" LED illuminates approximately five (5) seconds after
application of AC power to Battery Saver.
3. Load voltage is between 13.2VDC and 14.0VDC.
INSTALLATION PRECAUTIONS
1. The Battery Saver Low Ripple is AC Input AND DC Output over-current protected
as follows:
> 120VAC 60Hz Input Fuse: 5 Amp
> DC Output: ATC, 15 Amp
Note: The external ATC 15 Amp DC OUTPUT FUSE is common to both the
Battery Saver output AND the vehicle battery connection that supplies power to the
load when the Battery Saver is OFF (120VAC to Battery Saver - OFF).
2. OVERLOADING the Battery Saver in excess of 15 amperes when the BSLR
is ON:
A. In excess of 20 amperes: initiate current limiting of the Battery Saver
output with a corresponding reduction in output voltage.
B. In excess of 20 amperes: causes the ATC 15 Amp DC OUTPUT
FUSE to open within 2 minutes.
3. OVERLOADING the Battery Saver in excess of 20 amperes when the BSLR
is OFF:
A. When the BSLR is OFF, loads are powered by the battery, which is
overload protected with a ATC 15 Amp fuse. The fuse will open
when the current exceeds 20 amperes for 2 minutes
Manage Battery Saver Connected Loads to 10 Amperes or
Less!
INSTALLATION WIRING DIAGRAM
A
CAUTION: DC OUTPUT TERMINAL IS SPRING LOADED,
USE CAUTION WHEN OPENING AND CLOSING CAGE.
FAN OUTLET LOCATED ON TOP
KEEP CLEAR
DC OUTPUT FUSE
BAT SVR DC OUTPUT
BAT SVR GROUND
+12VDC BAT INPUT
BAT CONNECTED
BAT SVR ON
3-ft IEC CORD SUPPLIED WITH BATTERY SAVER
120 AC INPUT
INPUT FUSE
AIR INLET KEEP CLEAR
12V VEHICLE
BATTERY
DC WIRE SIZE CHART
DISTANCE
FEET
10
15
20
12
WIRE SIZE
AWG
12
12
10
3
AIR INLET KEEP CLEAR
CCESSORIES
RADIOS
HAND LIGHTS
FIGURE 1
SPECIFICATION & OUTLINE
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Specifications
Input Power: 120Volts AC., 50/60Hz, 1.8 Amp RMS
(3-ft IEC cord set supplied with unit)
Input Fuse: (2) - 5 Amp, fast acting, 5 X 20mm, Littlefuse
p/n: 216005
Output Voltage: 13.2 Volts DC @ 10Amps (factory adjustable)
Output Ripple: 30 millivolts, AC., RMS
Output Current: 10 Amps, D.C.
Output Fuse: 15 Amp, fast acting Autofuse, Littlefuse p/n: 257015
Please refer to Installation Precautions
Indicators: 1. Battery Connected: Green LED
2. Battery Saver ON: Green LED
Size: 13.00" L x 5.50" W x 2.5" H
Mounting Hole Diameter: 0.187"
Weight: 3.75 lbs
12.4
5.50
FAN
OUTLET
13.00
4.50
0.187" DIA. 4 HOLES
2.50
OUTLINE DRAWING
INSTALLATION RECORD & WARRANTY
Date Installed
Installed By
Vehicle Identification
Vehicle Owner
WARRANTY
All product 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 or others.
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