Pepperl+Fuchs LVL-A7 Brief Instructions

Brief Instructions
Vibration Limit Switch LVL-A7
KA01582O/98/A2/02.24-00
71684381
71684381
General Information
This document contains information that you need in order
to mount and install your product.
This document does not substitute the instruction manual.
For full information on the product, refer to the instruction
manual and further documentation on the Internet
at 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.
Note
Further information is available on the product detail
page of the device on the Internet at www.pepperl-
fuchs.com.
Enter the order designation in the search field
 Select the appropriate device
 Open the product detail page
 Open the Product Documentation tab.
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.
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.
Only use the device in the industrial location.
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.
Improper Use
Protection of the personnel and the plant is not ensured
if the device is not used according to its intended use.
Mounting
The mounting process is illustrated in the following section
on the basis of sample configurations.
Note
For more information see the manual.
Refer to "General Notes Relating to Pepperl+Fuchs Product Information".
Pepperl+Fuchs Group
www.pepperl-fuchs.com
Mounting Requirements
Figure 1
A
B
1
2
3
L1
L2
L3
L4
Installation is possible in any position in a vessel, pipe or tank
under the following conditions:
•
•
•
•
Important Process Conditions
Pressure and temperature (maximum):
•
•
Operating altitude: up to 2000 m (6600 foot) above sea level
Mounting the Device
An open-ended wrench (32 mm) is required for mounting.
•
•
•
Aligning the Tuning Fork
The markings for the material specification (e. g. 316L)
or the thread designation (e. g. G3/4) on the device are aligned
with the opening of the tuning fork and therefore aid orientation.
Tel: +49 621 776-0
E-Mail: info@de.pepperl-fuchs.com
A
L1
32 mm
L2
2 3
1
Device with weld-in adapter
Device in customer socket
Flat seal
Weld-in adapter
Tuning fork
with G1 thread: 66.4 mm (2.61 inch) / with G3/4 thread:
63.9 mm (2.52 inch)
with G1 thread: 48.0 mm (1.89 inch) / with G3/4 thread:
38.0 mm (1.5 inch)
with G1 thread: 66.4 mm (2.61 inch)
with G1 thread: 47.9 mm (1.8 inch)
When installed horizontally in a vessel, the tuning fork
may be located in an installation socket only if liquids
with low viscosity (< 2000 mPa·s) are used.
Minimum diameter of installation socket: 50 mm (2.0 inch)
Select a maximum length for the installation socket
that enables the tuning fork to project freely into the vessel.
Ensure that there is sufficient distance between
the expected buildup on the tank wall and the fork.
Recommended distance from wall  10 mm (0.39 inch).
with weld-in adapter
• +25 bar (+362 psi) at +150 °C (+302 °F)
• +40 bar (+580 psi) at +100 °C (+212 °F)
in customer socket
• +40 bar (+580 psi) at +150 °C (+302 °F)
Note
In the case of seals used at the customer site,
pay attention to the temperature and pressure
specifications.
For the NTP thread (ANSI B 1.20.1): Use sealing material
(PTFE) if necessary.
For the weld-in adapter with a flush-mount seal:
Remove the supplied flat seal (1) from the thread.
For the weld-in adapter with leakage hole:
Make sure the leakage hole points downwards.
1
B
L3
L4
3
32 mm