Abbreviations - Grundfos Medium UPM Series Data Booklet

Medium UPM

16. Abbreviations

Abbreviation Explanation
Degree of German water hardness, replaced by the
°dH
SI unit mmol/l. Conversion: 1 °dh = 0.1783 mmol/l
AC Alternating current
Material safety approval required for materials and
ACS products in contact with drinking water in France
(Attestation de Conformité Sanitaire)
AUTO Internally self-controlled pump mode
The control curve is automatically adapted to the
AUTOADAPT
actual requirements of the respective application.
CSA Canadian Standards Association
Constant Curve, control mode limited by speed and
CC
power
CE marking is a certification mark that indicates
conformity with health, safety, and environmental
CE
protection standards for products sold within the
European Economic Area (EEA).
Cataphoretic coating (electrophoretically deposited
CED paint, EDP); paintwork with hight adhesive strength
for long-lasting corrosion protection
Constant Pressure, control mode for constant
CP
differential pressure
DC Direct current
German institute for standardisation (Deutsches
DIN
Institut für Normung e.v.)
German association for gas and water (Deutscher
DVGW
Verein des Gas- und Wasserfaches)
Electronically commutated motor with wet rotor
ECM
encapsulation and glandless drive for high-efficiency
technology
pumps
Energy Efficiency Index for pumps, defined by EN
EEI
16297
European standard adopted by CEN, CENELEC or
EN
ETSI
Directive 2009/125/EC (formerly EuP, Ecodesign
Directive 2005/32/EC) establishing a framework for
ErP
the setting of environmentally-responsible
requirements for energy-driven products
Electrical Testing Laboratory by Intertek Group plc,
ETL certification institute for compliance with North
American safety standards
Delivery head of pumps, related to the differential
H
pressure
International Electrotechnical Commission for all
IEC
electrical, electronic and related technologies
International Protection marking (IEC) or Ingress
Protection marking, classifies and rates the degree of
IP protection against intrusion, dust, accidental contact
and water provided by mechanical casings and
electrical enclosures
European institution for testing, inspection and
KIWA certification, setting drinking water rules for the
Netherlands
German quality standard for rubber and plastic
KTW components in contact with drinking water
(Kunststoffe in Kontakt mit Trinkwasser)
Serial communications (BUS) protocol (Local
LIN Interconnect Network reg. ISO 17987-3) (VDMA
24226 defines protocol for pumps)
N Stainless-steel housing (NIRO)
Thermistor with negative temperature coefficient,
NTC
used as inrush current limiter
Weighted average power input of a pump on a
P L, avg
reference profile reg. EN 16297
P1 Power consumption (power supply input)
PN Pressure class in bar (PN10 = suitable up to 10 bar)
Proportional Pressure, control mode for variable
PP
differential pressure
Digital low-voltage control signal with pulse-width
PWM modulation for external control (VDMA 24244 defines
control signals for wet-runner circulating pumps)
Q Volume flow in hydronic systems
Abbreviation Explanation
Registration, Evaluation, Authorisation and
REACH
Restriction of Chemicals (EC 1907/2006)
Restriction of Hazardous Substances Directive 2002/
95/EC (RoHS1) (European directive on the restriction
RoHS
of the use of certain hazardous substances in
electrical and electronic equipment)
Temperature classification of circulation pumps reg.
TF
EN 60335-2-51
Certification institute for compliance to North
UL American safety standards (Underwriters
Laboratories)
German Environment Agency (Umweltbundesamt),
defines mandatory evaluation criteria for materials
UBA
and substances that come into contact with drinking
water
VBAT Supply voltage of BUS signal (Voltage of Battery)
German association of electrotechnology, electronics
VDE and information technology (Verband der
Elektrotechnik, Elektronik und Informationstechnik)
Association of German engineers (Verein Deutscher
VDI
Ingenieure)
Mechanical engineering industry association in
VDMA Germany (Verband Deutscher Maschinen- und
Anlagenbau)
German regulation on conditions for the award and
VOB conclusion of works contracts (Vergabe- und
Vertragsordnung für Bauleistungen)
European Community Directive 2012/19/EU on
WEEE
Waste Electrical and Electronic Equipment
Water Regulation Advisory Scheme for drinking water
WRAS
treatment devices in the UK and Northern Ireland
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