Pepperl+Fuchs LVL-M4 Instruction Manual

Instruction Manual

1. Marking

Vibration Limit Switch for Liquids
LVL-M4
ATEX certificate: CSANe 23ATEX1157X
ATEX marking: 1 II 1G Ex ia IIC T6...T1 Ga
IECEx certificate: IECEx CSAE 23.0044X
IECEx marking: Ex ia IIC T6...T1 Ga
Pepperl+Fuchs Group
Lilienthalstraße 200, 68307 Mannheim, Germany
Internet: www.pepperl-fuchs.com

2. Device Versions

Device type Basic
specifications
LVL-M4 -XXXXXX-XXXXXX-
XX
The X-marked letters of the type code are placeholders for versions of the
device.
The following specifications reproduce an extract from the product
structure and are used to assign.
Basic specifications
Option Type of probe
A Compact version
B Short tube version
C Tube extension
Option Housing, material
A Single compartment, aluminum, coated
D Dual compartment, L-shape, aluminum,
coated
G Single compartment, 316L, cast
P Single compartment, plastic
Option Electrical connection
A Gland M20, plastic, IP66/68,
NEMA type 4X/6P
1
B Gland M20, brass nickel plated, IP66/68,
NEMA type 4X/6P
2
C Gland M20, 316L, IP66/68,
NEMA type 4X/6P
F Thread M20, IP66/68, NEMA type 4X/6P
G Thread G1/2, IP66/68, NEMA type 4X/6P
H 3 Thread NPT1/2, IP66/68, NEMA type 4X/6P
4
I Thread NPT3/4, IP66/68, NEMA type 4X/6P
4
M Plug M12, IP66/67, NEMA type 4X
1 Only in connection with feature Housing, material, option A, D
2
Only in connection with feature Housing, material, option A, G
3
Only in connection with feature Housing, material, option P
4 Only in connection with feature Housing, material, option A, D, G
Option Application, temperature
A Process: max. 150 °C/302 °F, max. 64 bar
B Process: max. 150 °C/302 °F, max. 100 bar
Option Electrical output
M FEL68, 2-wire NAMUR with test button
Option Approval
5
EA ATEX/IEC II 1G Ex ia IIC T6...T1 Ga
5 In connection with feature Accessory mounted, option VB, temperature class changes
to T4...T1
Optional specifications
DOCT-7542 / 2023-08
Option
U1 6
6
Only in connection with feature Housing, material, option A, D, G
Option
DF
TD
Option
VB
7
Only in connection with feature Housing, material, option A, D, P
Option
ST
WP
WS
Optional
8
Only in connection with feature Housing, material, option A, G
specifications
9
Only in connection with feature Housing, material, option D
+XX

3. Target Group, Personnel

Responsibility for planning, assembly, commissioning, operation,
maintenance, and dismounting lies with the plant operator.
The personnel must be appropriately trained and qualified in order to carry
out mounting, installation, commissioning, operation, maintenance, and
dismounting of the device. The trained and qualified personnel must have
read and understood the instruction manual.
Prior to using the product make yourself familiar with it. Read the
instruction manual carefully.

4. Reference to Further Documentation

Observe directives, standards, and national laws applicable to the
intended use and the operating location.
The corresponding datasheets, manuals, declarations of conformity, EU-
type examination certificates, certificates, control drawings, and
temperature tables if applicable are an integral part of this document. You
can find this information under www.pepperl-fuchs.com.
For specific device information such as the year of construction,
scan the QR code on the device. As an alternative, enter the serial number
in the serial number search at www.pepperl-fuchs.com.
Refer to the relevant EU-type examination certificate to see the
relationship between the connected circuit type, the maximum permitted
ambient temperature, the temperature class, and the effective inner
reactances.
If you use the device in safety-related applications, observe the
requirements for functional safety. You can find these requirements in the
functional safety documentation under www.pepperl-fuchs.com.

5. Intended Use

The device is only approved for appropriate and intended use.
Ignoring these instructions will void any warranty and absolve
the manufacturer from any liability.
The device is a vibration limit switch for minimum or maximum detection in
tanks, containers and piping with all types of liquids
Use the device only within the specified ambient and operating conditions.
Only use the device in media to which the process-contacting materials
of the device are sufficiently resistant.
The EU-type examination certificate in accordance with ATEX Directive
applies only to the use of apparatus under atmospheric conditions.
The device is an intrinsically safe apparatus according to
IEC/EN 60079-11.
The device can be used in hazardous areas containing gas, vapor, and
mist.
If you use the device in safety-related applications, observe the
information for safety function and safe state.

6. Improper Use

Protection of the personnel and the plant is not ensured if the device
is not used according to its intended use.

7. Mounting and Installation

Use appropriate protection measures in order to protect persons that have
contact with hazardous or toxic substances.
Do not mount a damaged or polluted device.
Mount the device in a way that the device is protected against mechanical
hazard.
If you expect dynamic loads, support the extension tube of the device.
Only use accessories specified by the manufacturer.
If you install the device in safety-related applications, observe the
requirements for functional safety.
1 / 2
Test, certificate, declaration
Ambient temperature -50 °C/-58 °F
Sensor design
Pressure tight feed through (second line of
defense)
Temperature spacer
Accessory mounted
7 Bluetooth module VU121 for NAMUR output
Accessory enclosed
Test magnet
8
Weather protection cover, plastic
9
Weather protection cover, 316L