Abbreviations And Reference States - Xylem WEDECO SMOevo PLUS Series Original Manual

2.5.3 Abbreviations and Reference States

This section gives an overview of abbreviations used in this manual.
Abbreviation
TLV Threshold Limit Value
Frequenz Umrichter
FU
Frequency converter
HMI Human Machine Interface
PID Proportional-integral-
Controller derivative controller
Piping & Instrumentation
P&ID
Diagram
PLC Programmable Logic Control
Uninterruptible Power
UPS
Supply
WOD Wedeco Ozone Destructor
WCL Wedeco Closed Loop
Reference state
Nm³ volume at standard condition 0°C and 1.01325 bar according to
DIN1343:1990
Nm³/h m³/h Flow rate at standard condition 0°C and 1.01325 bar according to
DIN1343:1990
Manual_SMOevoPLUS_eng_01.2019.doc
Manual Ozone Generating System SMOevo
Meaning Description
Upper limit on the acceptable
concentration of a hazardous substance
in workplace air
Conversion of the mains AC voltage into
an AC voltage which is variable in
frequency and amplitude.
The HMI is used to visualize information
and to allow the operator to interact with
the ozone system.
Element of control technology
Identification of measuring and control
points
Programmable control unit with
microprocessor
Ensuring the supply of electrical loads in
the event of faults
Catalytic residual ozone destructor
Closed cycle cooling system for ozone
generators
PLUS
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