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English (US)
2. General information
These installation and operating instructions are a supplement to
the installation and operating instructions for the corresponding
standard pumps CR, CRI, CRN, CRK, SPK, MTR and CM.
For instructions not mentioned specifically in this manual, see the
installation and operating instructions for the standard pump.
2.1 Hazard statements
The symbols and hazard statements below may appear in
Grundfos installation and operating instructions, safety
instructions and service instructions.
The hazard statements are structured in the following way:
The symbols and notes below may appear in Grundfos
installation and operating instructions, safety instructions and
service instructions.
2.2 Abbreviations and definitions
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.
SIGNAL WORD
Description of hazard
Consequence of ignoring the warning.
- Action to avoid the hazard.
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.
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.
Current sinking
The ability to draw current into the terminal and
guide it towards GND 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 GND.
DI
Digital input.
DO
Digital output.
ELCB
Earth (ground) 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
Ground.
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 (ground).
PELV
Protective extra-low voltage.
A voltage that cannot exceed ELV under
normal conditions and under single-fault
conditions, except earth (ground) faults in
other circuits.
RCD
Residual-current device
SELV
Safety extra-low voltage.
A voltage that cannot exceed ELV under
normal conditions and under single-fault
conditions, including earth (ground) faults in
other circuits.
