Advertisement
Table of Contents
Warranty, Service & Repair
To register your product with the manufacturer, go to the Flowline
website for on-line registration. The website address is as follows:
www.flowline.com
On-line Warranty Registration can be found under Contact Us in
the Navigation Bar along the side of the home page.
If for some reason your product must be returned for factory ser-
vice, contact Flowline Inc. at (562)598-3015 to receive a Material
Return Authorization number (MRA), providing the following
information:
1. Part Number, Serial Number
2. Name and telephone number of someone who can answer
technical questions related to the product and its application.
3. Return Shipping Address
4. Brief Description of the Symptom
5. Brief Description of the Application
Once you have received a Material Return Authorization number,
ship the product prepaid in its original packing to:
Flowline Factory Service
MRA _____
10500 Humbolt Street
Los Alamitos, CA 90720
To avoid delays in processing your repair, write the MRA on the
shipping label. Please include the information about the malfunc-
tion with your product. This information enables our service tech-
nicians to process your repair order as quickly as possible.
Inc.
Flowline,
of
officer
duly-authorized
writ-
a
by
except
varied
or
altered
PRODUCTS.
OF
WARRANTY
IMPLIED
PARTIC-
A
FOR
PRODUCTS
IMPLIED
THE
IS
WARRANTY
or
express
liabilities,
or
all
waives,
hereby
purchaser
are
it
under
Flowline
of
liabilities
This
WARRANTY.
THIS
OF
BEYOND
EXTEND
WHICH
product.
the
of
disposition
than
longer
for
Flowline
at
unclaimed
present
material
hazardous
where:
Flowline
warranty
this
waive
unilaterally
purchase.
must
products
defective
Such
within
request)
upon
provided
(the
center
service
designated
prepaid
shipped
be
must
defective
a
by
signed
instrument
extended,
be
not
may
warranty
THE
OF
ABILITY
MERCHANT
THE
AND
USE
OR
PURPOSE
THE
OF
FITNESS
OF
WARRANTY
THIS
FROM
EXCLUDED
guarantees
warranties,
remedies,
original
the
and
of,
instead
and
and
obligations
the
and
FACE
THE
ON
DESCRIPTION
WARRANTIES
NO
ARE
requesting
dutifully
after
days
remained
has
product
product.
potentially
a
of
evidence
is
to
returned
product
any
of
dispose
to
right
the
reserves
further
of
date
the
of
proof
by
accompanied
defect.
the
of
discovery
the
be
will
which
of
address
and
a
or
factory
Flowline's
to
insured
be
to
thought
are
which
EchoSwitch Multi-Point
Ultrasonic Level Switch
Model LU71/72/73/75
Owner's Manual
Version 2.1.5
© 2004 FLOWLINE Inc.
All rights reserved.
Manual # LU900014 - 0411-LU72M2_1_5
defective
ser-
than
other
ten
this
Moreover,
This
are
or
center
ship-
during
The
components.
ULAR
by
indicated
negli-
accident,
implied.
to
subject
other
exclusive
PERSON.
warranty
PERSON-
THE
NO
HAVE
THERE
to
proves
prod-
the
30
exclusively
The
b.
with
There
a.
to
cut
are
to
and
products
Moreover,
Flowline
which
products
be
of
days
30
from
years
identity
of
shorter
and
under
workmanship
Products
such
that
the
repair
to
attempts
Flowline
anyone
if
void
and
null
immediately
products.
the
on
casing
service
designated
or
factory
damaged
are
which
products
other
or
switches
reed
when
assumed
be
shall
Abuse
use,
improper
to
due
damage
been
have
which
products
to
ANY
TO
INJURY
FOR
OR
TO
DAMAGES
CONSEQUENTIAL
SHALL
FLOWLINE
defective.
examination
Flowline's
which
of
option,
Flowline's
at
replacement,
and
solely
is
warranty
this
warranty.
this
by
covered
not
which
cables
electrical
and
altered,
wear.
normal
to
subject
the
of
components
those
products.
such
two
or
products
such
of
purchase
the
to
equal
is
which
period
and
material
in
defects
products
its
of
purchaser
original
®
products.
by
authorized
personnel
vice
becomes
warranty
original
the
without
returned
Flowline's
to
back
ment
to
apply
not
does
warranty
relays,
to
damage
electrical
misuse.
or
abuse
gence,
chemical
or
electrical
apply
not
does
warranty
This
PROPERTY,
REAL
OR
AL
FOR
OBLIGATION
be
to
satisfaction
its
thereof)
components
(or
ucts
or
repair
the
to
limited
under
obligation
Flowline's
are
installation
during
length
or
modified
are
which
not
and
non-moving
are
only
covers
warranty
This
of
manufacture
of
date
the
of
date
the
from
year
one
a
for
service
and
use
normal
from
free
be
will
products
the
to
warrants
Flowline
WARRANTY
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for FlowLine EchoSwitch LU71
Summary of Contents for FlowLine EchoSwitch LU71
- Page 1 ® Warranty, Service & Repair To register your product with the manufacturer, go to the Flowline EchoSwitch Multi-Point website for on-line registration. The website address is as follows: www.flowline.com Ultrasonic Level Switch On-line Warranty Registration can be found under Contact Us in the Navigation Bar along the side of the home page.
-
Page 2: Specifications
LU72/5: 0.5" (1.2 cm) (single set point) LU71/3: 1" (2.5 cm) (single set point) Beam width: LU72/5: 2" (5 cm) dia. LU71/3: 3" (7.6 cm) dia. Dead band: LU75: 2" (5 cm) LU71/2: 4" (10 cm) LU73: 8" (20 cm) LED indication:... - Page 3 LU7_-5_ _5 Ultrasonic Level for automatic fill or empty, two set points for out of bounds alarms or Switch from FLOWLINE. Please refer to the part number located three set point (relays 1 and 2 only) alternation / duplexing . The...
- Page 4 If the level reaches the back-up energize set point, both relays will energize until LU72/75-5_ _5 LU71/73-5_ _1 Agitation = 1-3 @ 100 kHz Agitation = 1-3 @ 50 kHz the level reaches the de-energize set point. Alternation will automati-...
- Page 5 (LU7_-58_5) power supply, tape measurer, flat reflective target such = distance two and D3 = Distance 3) per the following logic. as a wall, and optional Flowline box insert for use as a product holder. Relay Function Button Sequence @ Distance(s) C.
- Page 6 PROGRAMMING PROGRAMMING Step Eight Step Nine D. Programming Automatic Fill: After having powered the C. Programming a High and Low Level Out of Bounds Alarm: After having powered the switch with the appropriate supply switch with the appropriate supply voltage, entered the CAL mode, selected a relay channel and erased any previously input set points, voltage, entered the CAL mode, selected a relay channel and erased follow the below procedure:...
- Page 7 PROGRAMMING PROGRAMMING Step Ten Step Eleven E. Programming Automatic Empty: After having powered the Programming Duplexing Pump Control: After having pow- switch with the appropriate supply voltage, entered the CAL mode, ered the switch with the appropriate supply voltage, entered the CAL selected a relay channel and erased any previously input set points, mode, selected relay channel 1 and erased any previously input set follow the below procedure:...
-
Page 8: Installation
Ventilation Dead Band Insert Tape Hole Distance Highest for models LU71-5_ _5 and LU73-5_ Liquid Level _5. The pipe length should run the Table 2"/3" Minimum measurement span. Cut a 45° notch at Diameter the bottom of the pipe and drill a 1/4”... -
Page 9: Troubleshooting
WIRING TROUBLESHOOTING Step Fourteen Step Fifteen A. Power LED SOLID GREEN in RUN Mode: During normal Warning operation in the RUN mode, the Power LED will remain solid GREEN indicating that the switch has power and is tracking the level. To prevent damaging the relays, the use of an appropriate motor starter or secondary relay is ALWAYS recommended The RED Relay LEDs will be ON or OFF as programmed per the cur-... -
Page 10: Operation
OPERATION Step Sixteen Functional Chart for Relay On/Off Operations Backup Primary Duplexing Control Stop Operation Energize Relay 1 De-Energize Energize Relay 2 De-Energize Backup Alternating Primary Control Operation Stop Energize Relay 1 De-Energize Energize Relay 2 De-Energize Start Automatic Empty Stop Operation Energize...
Need help?
Do you have a question about the EchoSwitch LU71 and is the answer not in the manual?
Questions and answers