Grundfos TPE 2 Series - Symbols Used in this Document; Abbreviations and Definitions

English (GB)
3
1. Symbols used in this document
2. Abbreviations and definitions
Warning
Prior to installation, read these installation and
operating instructions. Installation and operation
must comply with local regulations and accepted
codes of good practice.
Warning
If these safety instructions are not observed, it may
result in personal injury.
Warning
If these instructions are not observed, it may lead to
electric shock with consequent risk of serious
personal injury or death.
Warning
The surface of the product may be so hot that it may
cause burns or personal injury.
Warning
Risk of dropping objects which may cause personal
injury.
Warning
Escaping vapour involves the risk of personal injury.
Caution
If these safety instructions are not observed, it may
result in malfunction or damage to the equipment.
Note
Notes or instructions that make the job easier and
ensure safe operation.
AI Analog input
AL Alarm, out of range at lower limit
AO Analog output
AU Alarm, out of range at upper limit
Current sinking
The ability to draw current into the terminal and
guide it towards earth in the internal circuitry.
Current
sourcing
The ability to push current out of the terminal
and into an external load which must return it
to earth.
DI Digital input
DO Digital output
ELCB Earth-leakage circuit breaker
FM Functional module
GDS
Grundfos Digital Sensor.
Factory-fitted sensor in some Grundfos pumps.
GENIbus Proprietary Grundfos fieldbus standard.
GFCI
Ground fault circuit interrupter.
(USA and Canada).
GND Earth
Grundfos Eye Status indicator light
LIVE
Low voltage with the risk of electric shock if the
terminals are touched.
OC
Open collector:
Configurable open-collector output.
PE Protective earth
PELV
Protective extra-low voltage.
A voltage that cannot exceed ELV under
normal conditions and under single-fault
conditions, except earth faults in other circuits.
SELV
Safety extra-low voltage.
A voltage that cannot exceed ELV under
normal conditions and under single-fault
conditions, including earth faults in other
circuits.
TPE2
Single-head pump without factory-fitted
differential-pressure and temperature sensor.
TPE2 D
Twin-head pump without factory-fitted
differential-pressure and temperature sensor.
TPE3
Single-head pump with factory-fitted
differential-pressure and temperature sensor.
TPE3 D
Twin-head pump with factory-fitted
differential-pressure and temperature sensor.