ABB LWT300 series Manuale utente

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LWT300 series

Quick Start Guide

Unpacking

If you are reading this document, you have already opened the box containing your instrument. While

following the basic safety instructions provided below, proceed with unpacking the content of this box.

Basic safety

Personnel

WARNING

Only properly certified and authorized personnel should be charged with the

installation, electrical connection, commissioning, operation and maintenance of the

instrument.

Depressurize the vessel before opening the instrument connection. Any process

media released may cause severe injuries.

Carefully plan any installation, modification or repair before actually proceeding.

Electrical

WARNING

Do not make electrical connections unless the electrical code designation stamped on

the instrument data plate matches the classification of the area in which you want to

install the instrument. Failure to comply with this warning can result in fire or explosion.

Use only tools compliant with national insulation standards, e.g., DIN EN 60900.

Use only non sparking tools when installing the instrument in hazardous areas.

Improper use

It is prohibited to use the instrument for any of the following, including but not limited to:

• A climbing aid, e.g., for mounting purposes.

• A support for external loads, e.g., as a support for pipes.

• By adding material, e.g., by painting over the name plate, or welding/soldering on parts.

• By removing material, e.g., by drilling the housing.

2Unpacking

What’s in the box

Check for damages to the included parts:

• LWT series instrument head

• Instrument coupler

• Probe

• User’s guide

Should any part of the package be damaged upon reception, contact ABB customer service as indicated

on the back cover of your user guide.

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Figure 1 LWT300 series typical installation

LWT300 head

LWT NPT coupler

Bolts (provided by client)

NPT flange (provided by client)

Gasket (provided by client)

Nuts (provided by client)

LWT300 series Quick Start Guide 3

Basic physical installation

Below is a list of basic steps necessary to properly install LWT series instruments, as recommended by

ABB. All installations should be performed by certified and authorized personnel in accordance with all

applicable local security codes (electrical, engineering, etc.) (the page references in parentheses refer to

the LWT series user’s guide)

Here are the basic installation steps:

1 Access and properly secure the installation site (vessel depressurization and cool down, mains power

down, etc.).

2 Attach the probe to the head/coupler assembly.

3 Slide the probe in the vessel and attach the probe/coupler assembly on the flange.

4 Connect the mains to the head unit.

5 Power up and configure the instrument.

Simple connection diagram

Here is a simple power connection diagram for LWT series instruments.

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Figure 2 Typical LWT connection

Initial software setup

Initial setup of the instrument is performed via the Easy Setup menu. Below you will find menu items,

factory-set values and lists of all available values when you click Select from the Easy Setup screen.

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Figure 3 Easy Setup menu

4Initial software setup

Submenu Default value Available values

Language

(language used on the interface)

English English

French (Français)

German (Deutsch)

Simplified Chinese

Set PV (4-20mA)

(primary value measured on the

4-20 mA current loop)

Level Level

Distance

Ullage

PV Unit

(measurement unit for the primary

value)

m (meter) m (meter)

cm (centimeter)

mm (millimeter)

ft (feet)

in (inches)

Empty/Zero

(distance between the process

connection and the starting point of

the measuring level range)

factory-set based on instrument

ordered

Customizable

Full/Span

(the distance between the minimum

level and the maximum level)

factory-set based on instrument

ordered

Customizable

Application Category

(general type of process application)

Water-based (DC>10) Water-based (DC>10)

Liquid mix. (3<DC<10)

Oil-based (DC<3)

Solid (organic)

Solid (others)

Max Level Rate

(rate at which the vessel should reach

its maximum level)

No Filter No Filter

Very Slow: <1cm/min

Slow: <5cm/min

Medium: <25cm/min

Fast: 1m/min

Very Fast: <5m/min

Display Line1 View1

(first line of text on the first screen

displayed, under the measured value)

Level Level

Ullage

PV Percent

Current

Empty

Distance

Span

Probe Length

Media Level

All menus available in your LWT instrument are explained in more details in the accompanying user’s

guide.

P/N 3KXL001068U0100

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