FISCHER DE44, Operating Manual

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Table of Content
1 Safety guidelines
2 Intended use
3 Description of the product and functional description
4 Installation and assembly
5 Commissioning
6 Maintenance
7 Transport
8 Service
9 Accessories
10 Disposal
11 Technical data
12 Dimensional drawings
13 Order Codes
14 Declaration of Conformity
1 Safety guidelines
1.1 General Information
This operating manual contains instruc-
tions fundamental to the installation,
operation and maintenance of the in-
strument that must be observed uncon-
ditionally. It must be read by the assembler, opera-
tor and the specialized personnel in charge of the
device before it is installed and put into operation.
This operating manual is part of the product and
therefore must be kept close to the device in a
place that is easily accessible for the responsible
personnel.
The following sections, in particular the instructions
about assembly, commissioning and maintenance,
contain
important safety information, non-
observance of which could lead to risks to people,
animals, the environment and objects.
1.2 Personnel Qualification
The instrument may only be installed and commis-
sioned by specialized personnel familiar with the in-
stallation, commissioning and operation of this
product.
Specialized personnel are persons who can assess
the work they have been assigned and recognize
potential dangers by virtue of their specialized train-
ing, their skills and experience and their knowledge
of the pertinent standards.
1.3 Risks due to Non-Observance of
Safety Instructions
Non-observance of these safety instructions, the in-
tended use of the device or the limit values given in
the technical specifications can be hazardous or
cause harm to persons, the environment or the
plant itself.
Claims for damages from the manufacturer are ex-
cluded in this case.
1.4 Safety Instructions for the Operating
Company and the Operator
The safety instructions on correct operation of the
device shall be observed. The operating company
must make them available to the installation,
maintenance, inspection and operating personnel.
Dangers arising from electrical components, energy
discharged by the medium, escaping medium and
incorrect installation of the instrument must be elim-
inated. For more information, please refer to the
applicable national and international regulations.
In Germany these are the DIN EN, UVV and, in in-
dustry-specific cases, the DVGW-, Ex-, GL-, etc.,
the VDE guidelines and the regulations of the local
power utility companies.
Operating Manual
DE44 Digital two-channel
Differential pressure switch / Transmitter