Xylem FLYGT LTU601 Manual de usuario
Installation and Operation
Manual
WS007019A
LTU601
Table of Contents
1 Introduction and Safety..............................................................................................................2
1.1 Introduction.......................................................................................................................... 2
1.2 Safety terminology and symbols........................................................................................2
1.3 User safety.............................................................................................................................3
1.4 Disposal of packaging and product.................................................................................. 3
1.5 Spare parts............................................................................................................................3
1.6 Warranty................................................................................................................................4
1.7 Support..................................................................................................................................4
2 Product Description....................................................................................................................5
2.1 General description............................................................................................................. 5
2.2 Approvals and standards.................................................................................................... 5
2.3 Wiring and parts...................................................................................................................5
3 Mechanical Installation.............................................................................................................. 7
3.1 Mounting configuration...................................................................................................... 7
3.2 Mount the unit...................................................................................................................... 7
3.3 Care and handling............................................................................................................... 7
4 Electrical Installation...................................................................................................................8
4.1 Connect the sensor..............................................................................................................8
4.2 Increase the cable length....................................................................................................8
5 Technical Reference................................................................................................................... 9
5.1 Technical data...................................................................................................................... 9
5.2 Sensor variants..................................................................................................................... 9
Table of Contents
LTU601 Installation and Operation Manual 1
1 Introduction and Safety
1.1 Introduction
Purpose of the manual
The purpose of this manual is to provide necessary information for installation, operation,
and maintenance of the unit.
Read and keep the manual
Save this manual for future reference, and keep it readily available at the location of the
unit.
CAUTION:
Read this manual carefully before installing and using the product. Improper use of the
product can cause personal injury and damage to property, and may void the warranty.
Intended use
WARNING:
Operating, installing, or maintaining the unit in any way that is not covered in this manual
could cause death, serious personal injury, or damage to the equipment and the
surroundings. This includes any modification to the equipment or use of parts not
provided by Xylem. If there is a question regarding the intended use of the equipment,
please contact a Xylem representative before proceeding.
1.2 Safety terminology and symbols
About safety messages
It is extremely important that you read, understand, and follow the safety messages and
regulations carefully before handling the product. They are published to help prevent
these hazards:
• Personal accidents and health problems
• Damage to the product and its surroundings
• Product malfunction
Hazard levels
Hazard level Indication
DANGER:
A hazardous situation which, if not avoided, will result in
death or serious injury
WARNING:
A hazardous situation which, if not avoided, could result
in death or serious injury
CAUTION:
A hazardous situation which, if not avoided, could result
in minor or moderate injury
1 Introduction and Safety
2 LTU601 Installation and Operation Manual
Hazard level Indication
NOTICE:
Notices are used when there is a risk of equipment
damage or decreased performance, but not personal
injury.
Special symbols
Some hazard categories have specific symbols, as shown in the following table.
Electrical Hazard Permanent-magnet hazard
Electrical Hazard:
CAUTION:
1.3 User safety
Introduction
All government regulations, local health and safety directives must be observed.
Prevent danger due to electricity
All danger due to electricity must be avoided. Electrical connections must always be
carried out in compliance with the following:
• The standard connections shown in the product documentation that is delivered
together with the product
• All international, national, state, and local regulations. (For details, consult the
regulations of your local electricity supplier.)
For more information about requirements, see sections dealing specifically with electrical
connections.
Power lock-out
DANGER: Electrical Hazard
Before starting work on the unit, make sure that the unit and the control panel are isolated
from the power supply and cannot be energized. This applies to the control circuit as well.
Qualification of personnel
WARNING: Electrical Hazard
Risk of electrical shock or burn. A certified electrician must supervise all electrical work.
Comply with all local codes and regulations.
All work on the product must be carried out by certified electricians or Xylem authorized
mechanics.
Xylem disclaims all responsibility for work done by untrained, unauthorized personnel.
1.4 Disposal of packaging and product
Observe the local regulations and codes in force regarding sorted waste disposal.
1.5 Spare parts
CAUTION:
Only use the manufacturer’s original spare parts to replace any worn or faulty
components. The use of unsuitable spare parts may cause malfunctions, damage, and
injuries as well as void the warranty.
1 Introduction and Safety
LTU601 Installation and Operation Manual 3
1.6 Warranty
For information about warranty, see the sales contract.
1.7 Support
Xylem only supports products that have been tested and approved. Xylem does not
support unapproved equipment.
1 Introduction and Safety
4 LTU601 Installation and Operation Manual
2 Product Description
2.1 General description
The package
The package includes:
• Level transmitter unit sensor
• Cable holder
About the level sensor
The level sensor is designed for submerged measuring of liquid levels in open channels,
drains, or tanks.
Operating in both clean, and heavily polluted, viscous fluids, suitable applications include
pump stations, sewage plants, waterworks, and industrial process tanks.
Signal output is a standard 4–20 mA direct current, proportional to the measured level.
Features
• Durability and high resistance to grime, deposits, and chemicals due to seamless
encapsulated design, and choice of materials
• 2–wire 4–20 mA, passive signal cable with pressure equalizing tubing
• Steel reinforced cable provides tensile strength.
• Cable lengths for the standard measuring ranges: 12 m (39.37 ft) cable for 0–3 m (0–
98.4 ft), 0–5 m (0–16.4 ft), and 0–10 m (0–32.8 ft) ranges.
Available languages
For manuals in other languages, visit http://tpi.xyleminc.com.
2.2 Approvals and standards
CE conformity
Directive Description
The EMC directive In accordance with EN 61000-6-1:1999, EN 61000-6-2:1999,
EN 61000-6-3:2001, EN 61000-6-4:2001
Ingress protection rating IP 68
2.3 Wiring and parts
Wiring
Wire color Description
Red or white Power + 10–30 V DC
Brown Signal/4 - 20 mA
Black Signal ground/shield (P/E connection)
2 Product Description
LTU601 Installation and Operation Manual 5
Sensor body dimensions
WS007036A
mm (6.57 in)
mm (2.36 in)
Cable fitting dimensions
WS007015A
60 mm
(2.36 in)
236 mm (9.29 in)
The image shows the dedicated cable fitting for the free-hanging sensor unit.
2 Product Description
6 LTU601 Installation and Operation Manual
3 Mechanical Installation
Precautions
Before starting work, make sure that the safety instructions in the chapter Introduction and
Safety (page 2) have been read and understood.
3.1 Mounting configuration
The level sensor is submersible.
• When it hangs free from the cable with dedicated suspension attachment, it is not
position-dependent.1
3.2 Mount the unit
1. Lower the sensor carefully into the liquid media so that it penetrates the surface
slowly.
Never drop the sensor into the liquid or allow it to fall freely.
2. Continue lowering the sensor until it reaches its working position, which is at the
bottom of its range (≥ 4 mA).
Do not exceed this depth.
3. Where applicable, secure the sensor to the cable holder.
3.3 Care and handling
The level sensor is of a robust construction through choice of materials and design,
making it tolerant of chemical and mechanical damage. However, precautions must be
taken to avoid corrosive media, over-pressure, and sharp impact.
Low pH
Acidic conditions in the media, for example pH<4, can reduce the life span of the sensor.
For more information, please contact your local sales and service representative.
Cleaning
If needed, carefully clean the sensor and rinse in a mild detergent.
Mechanical damage
Direct probing of the diaphragm can damage the sensor, voiding the warranty.
Never allow the sensor to fall into the liquid, or deliberately drop it into the liquid.
1In case of turbulence, the sensor can be immersed in a pipe, with inside diameter minimum 65 mm (2.56 in)
3 Mechanical Installation
LTU601 Installation and Operation Manual 7
4 Electrical Installation
Precautions
Before starting work, make sure that the safety instructions in the chapter Introduction and
Safety (page 2) have been read and understood.
DANGER: Electrical Hazard
Before starting work on the unit, make sure that the unit and the control panel are isolated
from the power supply and cannot be energized. This applies to the control circuit as well.
DANGER: Electrical Hazard
All electrical equipment must be grounded (earthed). Test the ground (earth) lead to
verify that it is connected correctly. Frequently inspect electrical systems to ensure that the
path to ground is continuous.
WARNING: Electrical Hazard
Risk of electrical shock or burn. A certified electrician must supervise all electrical work.
Comply with all local codes and regulations.
WARNING: Electrical Hazard
There is a risk of electrical shock or explosion if the electrical connections are not correctly
carried out, or if there is fault or damage on the product. Visually inspect equipment for
damaged cables, cracked casings or other signs of damage. Make sure that electrical
connections have been correctly made.
CAUTION: Electrical Hazard
Prevent cables from becoming sharply bent or damaged.
4.1 Connect the sensor
The sensor is connected to the 4–20 mA input.
1. Connect the red or white wire to the power + 10–30 V DC terminal.
2. Connect the brown wire to the signal/4– 20 mA terminal.
3. Connect the black wire to the signal ground/shield terminal (P/E connection).
4.2 Increase the cable length
When the supplied cable length is insufficient, observe the following:
• Due to the pressure equalization hose in the cable, it cannot be spliced directly to
another cable. Instead, use the junction box for this purpose (Part number 839505).
• Use a shielded cable, to safe guard against electrical disturbance. Signal cables must
never be run in the proximity of power cables.
4 Electrical Installation
8 LTU601 Installation and Operation Manual
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