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INSTRUCTION MANUAL
SOFT START
A START-UP AND SHUT DOWN
AUTOMATIC SEQUENCER
BOOK# 091-27-2
MODEL #091-27
3 YEAR WARRANTY
KUSSMAUL ELECTRONICS CO., INC.
170 CHERRY AVE., WEST SAYVILLE, N.Y. 11796
TEL: in NY
516-567-0314516-567-0314
516-567-0314 TOLL FREE:
516-567-0314516-567-0314
800-346-0857800-346-0857
800-346-0857 FAX:
800-346-0857800-346-0857
516-567-5826516-567-5826
516-567-5826
516-567-5826516-567-5826
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INTRODUCTION:
The SOFT START is an automatic electronic switching system which permits the driver of an
emergency vehicle to preset all lights and then turn them ON and OFF in sequence from a single
master switch. Up to seven lights or warning devices may be operated, one by one, at 1/2 second
intervals. The SOFT START protects the alternator from power surges by reducing the transients
in the vehicle’s electrical system.
It is not necessary to use all outputs of the SOFT START. Also the SOFT START does not interfere
with the normal operation of the lights as they can be individually turned ON and OFF by their
control switches. Relays are required to carry the high current loads as illustrated in the wiring
diagram.
Provision has been made for the installation of a bypass switch. This can be used to operate all
the relays simultaneously during a system test or it may be used to bypass the SOFT START in
operation.
INSTALLATION:
Figure 1 illustrates the vehicle wiring. A “plug-in” connector is provided to make all connections
to the SOFT START. This permits the installer to easily wire all connections and check for
continuity before connecting to the SOFT START.
CAUTION
It is possible to damage the SOFT START by mak-
ing incorrect electrical connections. CHECK ALL
WIRING BEFORE PLUGGING IN SOFT START
NOTE:
The SOFT START operates relays made by Bosch, Potter & Brumfield andThe SOFT START operates relays made by Bosch, Potter & Brumfield and
The SOFT START operates relays made by Bosch, Potter & Brumfield and
The SOFT START operates relays made by Bosch, Potter & Brumfield andThe SOFT START operates relays made by Bosch, Potter & Brumfield and
others. Each output of the SOFT START is capable of driving a load up toothers. Each output of the SOFT START is capable of driving a load up to
others. Each output of the SOFT START is capable of driving a load up to
others. Each output of the SOFT START is capable of driving a load up toothers. Each output of the SOFT START is capable of driving a load up to
.25 amperes, 48 ohms minimum resistance. This is more than ample for the.25 amperes, 48 ohms minimum resistance. This is more than ample for the
.25 amperes, 48 ohms minimum resistance. This is more than ample for the
.25 amperes, 48 ohms minimum resistance. This is more than ample for the.25 amperes, 48 ohms minimum resistance. This is more than ample for the
commonly available relays.commonly available relays.
commonly available relays.
commonly available relays.commonly available relays.
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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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