General Information; Information; Symbols Used; Led Symbols - GEM 543 eSyStep Operating Instructions Manual

1 General information

1 General information

1.1 Information

– The descriptions and instructions apply to the stand-
ard versions. For special versions not described in this
document the basic information contained herein ap-
plies in combination with any additional special docu-
mentation.
– Correct installation, operation, maintenance and repair
work ensure faultless operation of the product.
– Should there be any doubts or misunderstandings, the
German version is the authoritative document.
– Contact us at the address on the last page for staff
training information.

1.2 Symbols used

The following symbols are used in this document:
Symbol
Tasks to be performed
Response(s) to tasks
– Lists

1.3 LED symbols

The following LED symbols are used in the documentation:
Symbol
Off
Lit (on)
Flashing

1.4 Definition of terms

Working medium
The medium that flows through the GEMÜ product.
Diaphragm size
Uniform seat size of GEMÜ diaphragm valves for different
nominal sizes.

1.5 Warning notes

Wherever possible, warning notes are organised according to
the following scheme:
SIGNAL WORD
Type and source of the danger
Possible
symbol for Possible consequences of non-observance.
the specific
danger Measures for avoiding danger.
Warning notes are always marked with a signal word and
sometimes also with a symbol for the specific danger.
The following signal words and danger levels are used:
Imminent danger!
▶ Non-observance can cause death or
severe injury.
GEMÜ 543
Positioner (Code S0)
Meaning
LED conditions
DANGER
Potentially dangerous situation!
▶ Non-observance can cause death or
Potentially dangerous situation!
▶ Non-observance can cause moderate
Potentially dangerous situation!
▶ Non-observance can cause damage to
The following symbols for the specific dangers can be used
within a warning note:
Symbol
Danger of explosion
Corrosive chemicals
Hot plant components!
4 / 64
WARNING
severe injury.
CAUTION
to light injury.
NOTICE
property.
Meaning
www.gemu-group.com