Symbols Used In This Document; Hazard Statements; Notes; Abbreviations And Definitions - Grundfos TPE2 D Manual Del Usuario

2. Symbols used in this document

2.1 Hazard statements

The symbols and hazard statements below may appear in
Grundfos installation and operating instructions, safety
instructions and service instructions.
DANGER
Indicates a hazardous situation which, if not avoided,
will result in death or serious personal injury.
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious personal injury.
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate personal injury.
The hazard statements are structured in the following way:
SIGNAL WORD
Description of hazard
Consequence of ignoring the warning.
- Action to avoid the hazard.

2.2 Notes

The symbols and notes below may appear in Grundfos
installation and operating instructions, safety instructions and
service instructions.
Observe these instructions for explosion-proof
products.
A blue or grey circle with a white graphical symbol
indicates that an action must be taken.
A red or grey circle with a diagonal bar, possibly with
a black graphical symbol, indicates that an action
must not be taken or must be stopped.
If these instructions are not observed, it may result in
malfunction or damage to the equipment.
Tips and advice that make the work easier.
6

3. Abbreviations and definitions

AI Analog input
AL Alarm, out of range at lower limit
AO Analog output
AU Alarm, out of range at upper limit
CIM Communication interface module
The ability to draw current into the terminal and
Current sinking
guide it towards ground in the internal circuitry.
The ability to push current out of the terminal
Current
and into an external load which must return it
sourcing
to ground.
DI Digital input
DO Digital output
ELCB Earth-leakage circuit breaker
FM Functional module
Grundfos Digital Sensor
GDS
Factory-fitted sensor in some Grundfos pumps
GENIbus Proprietary Grundfos fieldbus standard
Ground fault circuit interrupter
GFCI
USA and Canada
GND Ground.
Grundfos Eye Status indicator light
Low voltage with the risk of electric shock if the
LIVE
terminals are touched
Open collector:
OC
Configurable open-collector output
PE Protective ground
Protective extra-low voltage
A voltage that cannot exceed ELV under
PELV normal conditions and under single-fault
conditions, except ground faults in other
circuits.
RCD Residual-current device
Safety extra-low voltage
A voltage that cannot exceed ELV under
SELV normal conditions and under single-fault
conditions, including ground faults in other
circuits.
Single-head pump without factory-fitted
TPE2
differential-pressure and temperature sensor
Twin-head pump without factory-fitted
TPE2 D
differential-pressure and temperature sensor
Single-head pump with factory-fitted
TPE3
differential-pressure and temperature sensor
Twin-head pump with factory-fitted
TPE3 D
differential-pressure and temperature sensor