Lowrance electronic Stud Sensor EP 15 User Manual

Pub. 988-0154-371  
EP-15 Fluid Level  
Electronic Sensor  
Installation Instructions  
This instruction sheet tells how to install your EP-15 Fluid Level  
sensor and connect it to a NMEA 2000network using LowranceNET  
network components. You must refer to your digital gauge, sonar or  
GPS unit's manual for sensor operation instructions.  
Caution:  
Installing LowranceNET NMEA 2000 devices is significantly  
different from installing earlier Lowrance components without  
NMEA 2000 features. You should read all of the installation  
instructions before proceeding. You should decide where to  
install all components before drilling any holes in your vessel.  
Some sonar or GPS units may require a software upgrade to display  
NMEA 2000 data correctly and a manual addendum describing how to  
operate the sensor. You can download these free and get additional  
information on the NMEA 2000compatible LowranceNETsystem at  
our web site, www.lowrance.com.  
All Lowrance NMEA 2000 capable devices are either NMEA 2000  
certified or certification is pending. See our web site for the latest  
product status information.  
Smart  
module  
Blue female NMEA  
2000 connector  
Sending unit  
connections:  
red lead and  
black lead.  
The EP-15 Fluid Level sensor.  
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Sending unit mounting plate configurations vary. When connecting the  
EP-15, you will need whatever tools and supplies that will work with your  
sending unit's specific design. Recommended tools include: pliers. If you  
need to route the smart module or cable connector through a bulkhead,  
you will need a drill and a 7/8" (22 mm) drill bit.  
Supplies are not included, unless otherwise indicated. The EP-15's two  
lead wires are pre-stripped. We recommend using marine-grade crimp-on  
connectors that will fit your sending unit's electrical connections.  
Installation  
This instruction sheet assumes the mounting bracket is connected to  
the fluid level arm (or potentiometer) and is already installed in the  
tank. The EP-15 wires — red (positive) and black (negative) — will  
connect to the sending unit's mounting bracket, on top of the tank.  
Tip:  
The EP-15 is designed to be the only device receiving signals from  
the sending unit. If the EP-15 is replacing a previous gauge, make  
sure you remove all the old gauge wires before you begin. If this is a  
replacement, note which connection is positive before disconnecting  
the old wires.  
Caution:  
Do NOT connect the sensor's blue locking collar connector to the  
network until you have finished connecting the red and black  
leads to the sending unit. This reduces the risk of a stray spark  
when working around fuel tanks.  
Your first step is to attach marine-grade crimp-on connectors to both  
the red lead (+) and the black (–) lead.  
Attach appropriate connectors to wire leads.  
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Next, attach the positive red lead to the sending unit's positive connector,  
usually located in the center of the mounting plate. Connect the negative  
black lead to the sending unit's negative connector. To be sure which  
connection is which, refer to the mounting instructions that came with the  
sending unit.  
Negative  
Positive  
connector  
connector  
Connect wire leads to fluid level sending unit. This is a typical sending  
unit mounting bracket. The center threaded post is + and the blade is – .  
Finally, connect the blue locking collar connector to the NMEA 2000 network.  
Route the sensor's cable connector to the T on the network backbone where  
you intend to attach it, and plug it in. The sensor is ready to use.  
Connecting to a NMEA 2000 Network  
A network bus is an installed and operational network cable (backbone)  
running the length of your boat, already connected to a power supply and  
properly terminated. Such a bus provides network connection nodes at  
various locations around your boat.  
This is similar to the telephone wiring in a house. If you pick up a phone in  
your living room, you can hear someone talking into the phone in the  
bedroom.  
Network Nodes  
A network bus is built of network nodes spread along a backbone. Network  
nodes are made by fitting T-shaped connectors into the backbone (using the  
sockets on the sides), and attaching a display unit or sensor at the bottom of  
the T.  
Using our telephone example, the T connectors are similar to telephone  
jacks. The backbone is like the phone wiring running through a house.  
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Phones in a house must be connected to each other to communicate, and  
in the same way only sensors and display units plugged into the NMEA  
network can share information.  
Connections found in the middle of the bus will have one or more of these  
T-shaped connectors with the backbone cables plugged into both sides.  
Connections at the end of a network will have the backbone plugged into  
one side, and a terminator plugged into the other, as shown in the  
following figure.  
LEI or Lowrance  
Cable from  
device needs an  
sensor or  
display unit  
open T.  
T connector  
Terminator at  
the very end  
of the bus  
Backbone cable  
(to rest of bus)  
NMEA 2000 network node located at the end of a NMEA 2000 bus.  
Adding a Network Node  
You can add a node anywhere along the network backbone where a  
connection already exists. This connection could be at the end of the  
network (between a T connector and a terminator), between two T  
connectors, between a T connector and a backbone extension cable, or  
between two extension cables. Wherever you want to add the new node,  
simply separate the sockets of the old connection and attach your new T  
connector between them.  
Lowrance or LEI device con-  
nects to new T connector.  
Add T-shaped connector  
to add device to bus.  
Attach  
terminator at  
end of bus.  
Existing network  
node  
Add a new device to a NMEA 2000 bus by attaching a T connector  
between two T connectors, between a T connector and the end  
terminator, or between two backbone extension cables.  
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If you want to add a node at the end of the line (as shown in the previous  
figure), remove the terminator from the very last connector, securely  
attach the new T connector, and then attach the terminator on the new  
connector. Either method will allow you to add a device.  
The "soft" T connector, shown above with a "hard" T connector, is another  
option for connecting devices in a NMEA 2000 network. The soft T works  
the same as a hard T. The soft T is used to install a network node in areas  
were a hard T will not fit.  
Additional Network Information  
Further instructions on creating or expanding a network are illustrated  
in the NMEA 2000 network setup booklet, part number 988-0154-172,  
which came packed with this instruction sheet.  
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LOWRANCE ELECTRONICS  
FULL ONE-YEAR WARRANTY  
"We," "our," or "us" refers to LOWRANCE ELECTRONICS, INC., the manufacturer of  
this product. "You" or "your" refers to the first person who purchases this product as a  
consumer item for personal, family or household use.  
We warrant this product against defects or malfunctions in materials and workmanship,  
and against failure to conform to this product's written specifications, all for one (1) year  
from the date of original purchase by you. WE MAKE NO OTHER EXPRESS  
WARRANTY OR REPRESENTATION OF ANY KIND WHATSOEVER CONCERNING  
THIS PRODUCT. Your remedies under this warranty will be available so long as you can  
show in  
a
reasonable manner that any defect or malfunction in materials or  
workmanship, or any non-conformity with the product's written specifications, occurred  
within one year from the date of your original purchase, which must be substantiated by  
a dated sales receipt or sales slip. Any such defect, malfunction, or non-conformity which  
occurs within one year from your original purchase date will either be repaired without  
charge or be replaced with a new product identical or reasonably equivalent to this  
product, at our option, within a reasonable time after our receipt of the product. If such  
defect, malfunction, or non-conformity remains after a reasonable number of attempts to  
repair by us, you may elect to obtain without charge a replacement of the product or a  
refund for the product. THIS REPAIR, OR REPLACEMENT OR REFUND (AS JUST  
DESCRIBED) IS THE EXCLUSIVE REMEDY AVAILABLE TO YOU AGAINST US FOR  
ANY DEFECT, MALFUNCTION, OR NON-CONFORMITY CONCERNING THE  
PRODUCT OR FOR ANY LOSS OR DAMAGE RESULTING FROM ANY OTHER  
CAUSE WHATSOEVER. WE WILL NOT UNDER ANY CIRCUMSTANCES BE LIABLE  
TO ANYONE FOR ANY SPECIAL, CONSEQUENTIAL, INCIDENTAL, OR OTHER  
INDIRECT DAMAGE OF ANY KIND.  
Some states do not allow the exclusion or limitation of incidental or consequential  
damages, so the above limitations or exclusions may not apply to you.  
This warranty does NOT apply in the following circumstances: (1) when the product has  
been serviced or repaired by anyone other than us; (2) when the product has been  
connected, installed, combined, altered, adjusted, or handled in a manner other than  
according to the instructions furnished with the product; (3) when any serial number has  
been effaced, altered, or removed; or (4) when any defect, problem, loss, or damage has  
resulted from any accident, misuse, negligence, or carelessness, or from any failure to  
provide reasonable and necessary maintenance in accordance with the instructions of the  
owner's manual for the product.  
We reserve the right to make changes or improvements in our products from time to time  
without incurring the obligation to install such improvements or changes on equipment  
or items previously manufactured.  
This warranty gives you specific legal rights and you may also have other rights which  
may vary from state to state.  
REMINDER: You must retain the sales slip or sales receipt proving the date of your  
original purchase in case warranty service is ever required.  
LOWRANCE ELECTRONICS  
12000 E. SKELLY DRIVE, TULSA, OK 74128  
(800) 324-1356  
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How to Obtain Service…  
…in the USA:  
Contact the Factory Customer Service Department. Call toll-free:  
For Lowrance: 800-324-1356. For Eagle: 800-324-1354  
8 a.m. to 5 p.m. Central Standard Time, M-F  
Lowrance Electronics and Eagle Electronics may find it necessary to change or end  
their shipping policies, regulations and special offers at any time. They reserve the  
right to do so without notice.  
…in Canada:  
Contact the Factory Customer Service Department. Call toll-free:  
800-661-3983  
905-629-1614 (not toll-free)  
8 a.m. to 5 p.m. Eastern Standard Time, M-F  
…outside Canada and the USA:  
Contact the dealer in the country where you purchased your unit. To locate a  
dealer near you, see the instructions in paragraph number 1 below.  
Accessory Ordering Information  
LEI Extras, Inc. is the accessory source for sonar and GPS products  
manufactured by Lowrance Electronics and Eagle Electronics. To order  
Lowrance or Eagle accessories, please contact:  
1) Your local marine dealer or consumer electronics store. To locate a Lowrance  
dealer, visit the web site, www.lowrance.com, and look for the Dealer Locator.  
To locate an Eagle dealer, visit the web site, www.eaglesonar.com, and look for  
the Dealer Locator. Or, consult your telephone directory for listings.  
2) U.S. customers: LEI Extras Inc., PO Box 129, Catoosa, OK 74015-0129  
Call toll free in the U.S., 800-324-0045, 8 a.m. to 5 p.m. Central  
Standard Time, M-F, or visit our web site www.lei-extras.com.  
3) Canadian customers: Lowrance/Eagle Canada, 919 Matheson Blvd. E.  
Mississauga, Ontario L4W2R7 or fax 905-629-3118.  
Call toll free in Canada, 800-661-3983, or dial 905 629-1614 (not toll free), 8  
a.m. to 5 p.m. Eastern Standard Time, M-F.  
For Lowranceand EagleProducts  
Pub. 988-0154-371  
© Copyright 2005  
All Rights Reserved  
Lowrance Electronics, Inc.  
Printed in USA 100305  
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