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BOOK# 091-32-S
rev.A, 12-16-2004
INSTRUCTION MANUAL
LOAD MANAGER-S
A START-UP AND SHUT DOWN LOAD SE-
QUENCER AND AUTOMATIC LOAD SHEDDING
SYSTEM FOR SYSTEMS WHERE RELAY COILS
ARE WIRED TO GROUND
MODEL #091-32-S
3 YEAR WARRANTY
KUSSMAUL ELECTRONICS CO., INC.
170 CHERRY AVE., WEST SAYVILLE, N.Y. 11796
TEL: in NY
631-567-0314631-567-0314
631-567-0314 TOLL FREE:
631-567-0314631-567-0314
800-346-0857800-346-0857
800-346-0857 FAX:
800-346-0857800-346-0857
631-567-5826631-567-5826
631-567-5826
631-567-5826631-567-5826
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INTRODUCTION
The LOAD MANAGER is a device which:
1. Sequentially energizes and deenergizes relays at approximately 1/2 second
intervals in order to reduce transients in a vehicle’s electrical system.
2. Detects when the vehicle’s electrical load is greater than the output of the
alternator. When this occurs, loads are sequentially deenergized until the
alternator output is equal to the load.
The LOAD MANAGER features an input which permits selecting the load shedding feature or
operating only as an automatic load sequencer. It is possible to completely override the LOAD
MANAGER and operate all relays simultaneously by connecting PIN 2 to +12 volts. An indicator
circuit is included to operate a small LED indicator panel. This provides the vehicle’s driver with the
information that the LOAD MANAGER is active and loads are being removed from the system.
LOAD MANAGEMENT PROGRAMMING
Recognizing that priorities may change after an installation is made, the LOAD MANAGER is
designed so that the sequence of load removal may be easily altered.
At installation, the highest priority load is wired to relay 1 which is operated by terminal 3. (NOTE
THAT THE RELAYS ARE NOT PART OF THE “LOAD MANAGER” AND ARE SUPPLIED BY THE
INSTALLER) The second highest priority load is wired to relay 2 which is operated by terminal 4.
A total of 7 relays, decreasing in priority are operated by terminals 5, 6, 7, 8, & 9. See the schematic
of figure 1.
Upon start-up, when the LOAD MANAGER operates as a sequential loading device, the loads are
applied in priority order with the highest priority first.
When the LOAD MANAGER feature is enabled and excessive electrical loads cause a drop in
battery voltage, the LOAD MANAGER will deenergize loads at approximately 60 second intervals
starting with the lowest priority. Loads will be removed until the voltage returns to normal.
After installation the user may vary the priority by altering the switch setting from the BASIC
SETTINGS illustrated in figure 2.
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CAUTION
There are 5 switches, each with 5 levers.
Only one lever on each switch may be
in the “ON” position.
Each switch controls the operation of a relay. The actuation sequence of a
particular relay is controlled by the individual levers of each switch. Lever #5 is
the lowest priority, while lever #1 is the highest. It is thus possible to arrange the
relay operating priority for the 5 lowest priority relays.
NOTE
The LOAD MANAGER is designed to operate relays. It is not necessaryThe LOAD MANAGER is designed to operate relays. It is not necessary
The LOAD MANAGER is designed to operate relays. It is not necessary
The LOAD MANAGER is designed to operate relays. It is not necessaryThe LOAD MANAGER is designed to operate relays. It is not necessary
to connect to all outputs. Any outputs, at the discretion of the installer,to connect to all outputs. Any outputs, at the discretion of the installer,
to connect to all outputs. Any outputs, at the discretion of the installer,
to connect to all outputs. Any outputs, at the discretion of the installer,to connect to all outputs. Any outputs, at the discretion of the installer,
may remain unused. Nothing should be connected to the unusedmay remain unused. Nothing should be connected to the unused
may remain unused. Nothing should be connected to the unused
may remain unused. Nothing should be connected to the unusedmay remain unused. Nothing should be connected to the unused
outputs. Relays must have a coil resistance of 40 ohms or greater.outputs. Relays must have a coil resistance of 40 ohms or greater.
outputs. Relays must have a coil resistance of 40 ohms or greater.
outputs. Relays must have a coil resistance of 40 ohms or greater.outputs. Relays must have a coil resistance of 40 ohms or greater.
DO NOT LOAD ANY OUTPUT WITH A RELAY WITH ADO NOT LOAD ANY OUTPUT WITH A RELAY WITH A
DO NOT LOAD ANY OUTPUT WITH A RELAY WITH A
DO NOT LOAD ANY OUTPUT WITH A RELAY WITH ADO NOT LOAD ANY OUTPUT WITH A RELAY WITH A
RESISTANCE LESS THAN 40 OHMSRESISTANCE LESS THAN 40 OHMS
RESISTANCE LESS THAN 40 OHMS
RESISTANCE LESS THAN 40 OHMSRESISTANCE LESS THAN 40 OHMS
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ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Figure 2, Basic Switch Settings
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Figure 3, Outline, load Manager
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Figure 1, Schematic, Load Manager Installation
LOAD MANAGER 091-32-S
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INSTALLA TION 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. 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 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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