MAF/S 441
Operating instructions
Level switches for bulk materials
EN
1
1. About this document
1.1 Function
This operating instruction manual provides all the information you need
for the mounting, set-up and commissioning to ensure the safe opera-
tion of the the product. The operating instructions must be available in a
legible condition and a complete version in the vicinity of the device.
1.2 Target group: authorised qualified personnel
All operations described in this operating instructions manual must
be carried out by trained specialist personnel, authorised by the plant
operator only.
Please make sure that you have read and understood these operating
instructions and that you know all applicable legislations regarding
occupational safety and accident prevention prior to installation and
putting the component into operation.
The machine builder must carefully select the harmonised standards to
be complied with as well as other technical specifications for the selec-
tion, mounting and integration of the components.
1.3 Explanation of the symbols used
Information, hint, note:
This symbol is used for identifying useful additional information.
Caution:
Failure to comply with this warning notice could
lead to failures or malfunctions.
Warning:
Failure to comply with this warning notice could
lead to physical injury and/or damage to the machine.
1.4 Appropriate use
It is the responsibility of the manufacturer of a machine or plant to
ensure the correct functionality of the entire machinery or plant.
The product must be exclusively used in accordance with the versions
listed below or for the applications authorised by the manufacturer.
Detailed information regarding the range of applications can be found in
the chapter "Product description".
1.5 General safety instructions
The user must observe the safety instructions in this operating instruc-
tions manual, the country-specific installation standards as well as all
prevailing safety regulations and accident prevention rules.
Further technical information can be found in the Schmersal
catalogues or in the online catalogue on the Internet:
www.schmersal.net.
The information contained in this operating instructions manual is
provided without liability and is subject to technical modifications.
There are no residual risks, provided that the safety instructions as well
as the instructions regarding mounting, commissioning, operation and
maintenance are observed.
1.6 Warning about misuse
In case of inadequate or improper use or manipulations of
the component, personal hazards or damage to machinery
or plant components cannot be excluded. The relevant
requirements of the standard EN 14119 must be observed.
Content
1
Target group: authorised qualiied personnel
. . . . . . . . . . . . . . . . . . 1
1.3 Explanation of the symbols used . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.4 Appropriate use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.5 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
1.6 Warning about misuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
2
2.1 Ordering code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
2.2 Destination and use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
2.3 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
3
3.1 General mounting instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3.2 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
3.3 Correct assembly position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
4
4.1 General information for electrical connection. . . . . . . . . . . . . . . . . . 2
4.2 Switch travel diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
5
5.1 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
6
6.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
7
7.1 Disassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
7.2 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
8
8.1 EC Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
07.2015 /
ACE 578322-EN / B
EN
Operating instructions. . . . . . . . . . . . .pages 1 to 4
Translation of the original operating instructions
