Catalogo pompe MAGNA3
grundfos MAGNA3
MORE THAN A PUMP
Full range of intelligent, high-efficiency circulators for
heating, cooling, ground source heat pump systems
and domestic hot water applications
grundfos MAGNA3
More than a pump
If you are looking for the best
efficiency on the market combined with
high intelligence and truly full range,
look no further. The MAGNA3 is here
Reliable innovation
The MAGNA3 is a circulator pump based on the tried and tested MAGNA technology and our
industry-leading experience with electronic pumps. The permanent magnet motor, AUTOadapt
function and integrated frequency converter is still part of the MAGNA package, but we’ve
added some additional, ground-breaking new technologies. The result is a cutting-edge piece of
intelligent technology that retains the unrivalled Grundfos reliability.
FULL RANGE
– perfect fit and low life cycle costs
BEST EFFICIENCY IN THE MARKET
The highest standards,
the greatest results
Ready for range?
Efficiently the best
MAGNA3 is a truly full-range pump with more than
200 different single and twin circulators in cast iron or
stainless steel. We have also increased the maximum
twin to 18 m and the flow to 70 m3/h. Get ready to
specify a perfectly sized circulator pump for any HVAC
application.
The short version is this: MAGNA3 is the most
efficient circulator available on the market today.
The longer version is this: With an Energy Efficiency
Index (EEI) well below the EuP benchmark level you
can achieve energy savings of up to 75% compared to
a typical installed circulator and thereby a remarkably
fast return on investment. And of course it more than
meets the standards for EuP legislation (learn more at
www.europump.org).
The smart pump
MAGNA3 gives you new opportunities with more
intelligent control modes, optimized building
management communication and a built-in heat
energy meter. It also allows you to save pump
throttling valves in the system. It is fair to say that we
have raised the bar for intelligent pumping.
Reliable from A to Z
At Grundfos we do not take testing lightly. With 40
years of experience with electronically controlled
pumps and 1 million test hours for the MAGNA3 in
extreme conditions, including alternating pressure
tests, high humidity tests as well as high and lowtemperature tests, we are confident that this pump will
serve you day in and day out for many years to come.
– minimize energy costs
HIGH INTELLIGENCE
Energy consumption
– reduce investment costs and gain complete control of your system
Index
PROVEN RELIABILITY
100
EASY INSTALLATION
60
– based on 40 years of experience and 1 million test hours
90
80
70
– save time and effort
50
40
30
20
10
0
2
Typical
installed
circulator
EuP
2013
EuP
2015
EuP
Benchmark
level
Magna3
3
grundfos MAGNA3
Full-range efficiency
Introducing:
Your perfect control mode
Full range means perfect fit
The all-purpose circulator
Intelligent control saves time and energy
The extended MAGNA3 range with maximum heads
of 18 m and maximum flows of 70 m3/h features more
than 200 single and twin pumps in cast iron or stainless
steel. This means that it is much easier to right-size the
MAGNA3 for any duty point and cut both purchase and
energy costs in the process.
Like its predecessor, MAGNA3 is the ideal pump for
heating and cooling applications as well as domestic
hot water circulation systems. It is designed to handle
liquids down to -10°C, which makes it suitable
for both tough industrial tasks and ground source
heat pump systems (GSHP). Furthermore, the liquid
temperature (-10°C to +110°C) is now independent of
the ambient temperature (0°C to +40°C). So whether
your project requires heating or cooling – MAGNA3 is
the pump for you.
The MAGNA3 gives you the full range of control mode options you would expect from a state-of-the-art
circulator pump. But the intelligent modes – AUTOADAPT and FLOWADAPT – set MAGNA3 apart from the
competition. Furthermore, the FLOWLIMIT and Automatic Night Setback control functions are applicable
with all MAGNA3 control modes.
MAGNA is always improving
Grundfos continues to set the pace for circulator
pumps and is the obvious choice if you are looking for
the most energy-efficient solution and fastest return
on investment.
To achieve the groundbreaking MAGNA3 energy
efficiency, we have further optimized pump hydraulics
and incorporated our patented differential pressure
sensor, while switching to a composite rotor can and a
compact stator that minimizes losses in the motor.
Duty point
Performance
curve
Proportional pressure mode
Potential saving
compared to proportional
pressure mode
H
H
H
[m]
Did you know that a pump system refurbishment
can result in energy savings of up to 80%? Grundfos
offers several approaches to energy refurbishment,
depending on the condition of your current pump
system. For more information, please contact your local
Grundfos representative.
[m]
System
curve
System
curve
System
curve
Q [m3/h]
Proportional pressure mode is used in
circulating systems. The pump continuously
adapts its performance to the varying flow
demand.
Q [m3/h]
The AUTOADAPT function continuously adjusts the
proportional pressure curve and automatically
sets a more efficient one, without compromising
comfort demands. With this factory setting, in
80% of the installations no manual adjustments
are needed.
Constant pressure mode
H
FLOWADAPT is a combination of AUTOADAPT and
FLOWLIMIT. The MAGNA3 continuously monitors
the flow rate ensuring that it is not exceeded.
This will, in some cases, save the cost of a
separate pump throttling valve.
Constant curve mode
H
H
[m]
[m]
System
curve
System
curve
FLOWLIMIT
limitation
Q [m3/h]
Constant temperature mode
[m]
Additional saving
with FLOWADAPT
FLOWADAPT
AUTOADAPT
[m]
Refurbish and save money
The result is a highly efficient and future-proof
circulator with an EEI value that makes even the strict
2015 EuP requirements look old-fashioned.
Potential saving
compared to a nonregulated pump
System
curve
Grundfos Blueflux® is your guarantee
The Grundfos Blueflux® label is your guarantee that the
MAGNA3 is equipped with the most energy-efficient
motor currently available. Grundfos Blueflux® motors
are designed to cut electricity consumption by up to 60%
and thus lower CO2 emissions and operating costs.
Q [m3/h]
Constant pressure mode is suited for variable
flow systems with very low pipe pressure losses,
and in open systems where pipe pressure loss is
subordinate to static head.
4
Q [m3/h]
Q [m3/h]
Constant temperature mode is used in variable
flow systems within heating, where a constant
liquid temperature at a user-defined point, is
desired. The pump is in charge of the flow, and
external controller for temperature regulation
are made unnecessary.
Constant curve mode is used when there is a
demand for constant flow and constant head.
The pump is adjusted to the desired duty point
making pump throttling valves, which are
traditionally required in this situation, obsolete.
5
grundfos MAGNA3
INTELLIGENT SOLUTIONS
Built for building management
Optional CIM modules support all common fieldbus standards, making MAGNA3 the perfect addition
to any BMS system.
Heat energy meter
The MAGNA3 features a built-in heat energy meter that can monitor system heat energy distribution
and consumption in order to avoid excessive energy bills caused by system imbalances. The heat
energy meter has an accuracy of +/-10%, depending on the duty point, and will save you the cost of
installing a separate energy metering device within your system.
No pump throttling valves
The new FLOWLIMIT function and FLOWADAPT control mode allow you to set a maximum flow limit for
your MAGNA3 pump. The pump continuously monitors the flow rate to ensure the desired maximum
flow is not exceeded. This eliminates the need for pump throttling valves and hereby improves
the system’s overall energy-efficiency. To meet system flow limitations, the pump will adjust its
performance to a given setpoint, which dramatically cuts energy consumption.
Wireless communication between two single pumps
MAGNA3 is supplied with wireless technology which enables it to connect to another MAGNA3 pump.
Using the built-in wizard, connection to a parallel coupled pump is quick and easily obtained. The two
pumps are now controlled jointly in either cascade mode, alternating mode or pump back-up mode.
More than a pump:
The MAGNA3 has a built in energy meter and a flow limiting
function which makes up for a pump throttling valve.
Pump Pump throttling valveEnergy meter
More I/O for system intelligence
Easy optimisation
With the addition of an extra configurable relay and
an analog input, the complete MAGNA3 I/O package
allows for better system monitoring and optimal pump
regulation.
The innovative 3D Work Log and Duty Point Over Time
curve make optimisation simple and accurate. The
two new features give you the details of the pump’s
performance since the day it was installed as well as
the details of its operating conditions, such as average
temperature and power consumption. Based on this, it
is easy to find the optimal replacement pump, perfect
optimisation plan or carry out troubleshooting.
MAGNA3 I/O package
1 x analog input (0-10V/4-20mA) for differential pressure sensor,
constant temperature control, heat energy metering or external
set point
2 x relay outputs configurable as alarm, ready or operation
3 x digital inputs for external start/stop, max. curve and min. curve
6
7
grundfos MAGNA3
TAKE A CLOSER LOOK
Perfect insulation
Heating insulation shell that provides optimal thermal
insulation of the pump housing. Delivered as standard, the
insulation shells are perfectly molded to the pump shape to
avoid subsequent time-consuming adjustments.
Air-cooling prevents
condensation
Air-cooling in the control
box prevents condensation
problems.
Accessories
Easy BMS integration
For connection to BMS,
CIM modules are easily
mounted directly in the
control box.
Grundfos GO
Grundfos GO gives you intuitive
handheld pump control and full
access to the Grundfos online tools
on the go.
Neodymium technology rotor
High-performance neodymium magnet
rotor increases motor efficiency.
Corrosion protection
Cataphoresis surface
treatment of pump and
stator housing protects
against corrosion.
Composite rotor can
High-quality user
interface
CIM modules
For connection to BMS, CIM modules
with the following field-bus standards
can be added: LON, Profibus, Modbus,
SMS/GSM/GPRS and BACnet. In
addition, the GENIBus is also available.
TFT (Thin Film
Transistor) color
display for easy
and intuitive
pump setup.
Composite rotor can
minimizes power
loss and contributes
to higher energy
efficiency.
Insulation shells
for cooling applications
Insulation shells that prevent
condensation and corrosion in air
conditioning and ground source
heat pump systems.
Reliability through generations
The MAGNA3 hardware is a third generation platform
built on Grundfos’ 65 years of pump experience, while
the pump’s new self-protecting electronics prove that
we are still the industry’s electronic pump pioneers.
Compact stator
Highly efficient
compact stator
minimizes energy loss.
Clamp ring
Innovative, specially
designed clamp ring allows
for fast repositioning and
servicing of pump head.
Improved
hydraulics
Pump hydraulics
have been further
improved through
the use of flow
analysis and 3D
development tools.
8
Pump status
indicator
Easy cabling
Sensors make the difference
Integrated sensor measures differential
pressure over the pump for increased
efficiency. Temperature sensor provides
pump liquid temperature data for
heat energy estimation (add external
sensor to measure return pipe liquid
temperature).
Unique power
connection
through plug
connection inside
the control box.
The innovative
Grundfos Eye
provides visual
indication of pump
status: pump
running, warning or
alarm.
1 million test hours
At Grundfos, we believe in the value of thorough
testing. The MAGNA3 has been submitted to more
than 1 million test hours in extreme conditions,
including alternating pressure tests, high humidity
tests as well as high and low-temperature tests.
More data to and from the pump
Three digital inputs, two output
relays and one analog input for
external sensor.
9
grundfos MAGNA3
Product range
MAGNA3 - Single-head pumps
Threaded pipe connection
Pump type
MAGNA3 25-40 (N)
MAGNA3 25-60 (N)
MAGNA3 25-80 (N)
MAGNA3 25-100 (N)
MAGNA3 25-120 (N)
MAGNA3 32-40 (N)
MAGNA3 32-60 (N)
MAGNA3 32-80 (N)
MAGNA3 32-100 (N)
Pump type
Cast iron
Port-to-port
length (mm)
180
180
180
180
180
180
180
180
180
Port-to-port
length (mm)
PN 16
PN 10
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
Cast iron
PN 6
MAGNA3 32-40 F (N)
MAGNA3 32-60 F (N)
MAGNA3 32-80 F (N)
MAGNA3 32-100 F (N)
MAGNA3 32-120 F (N)
MAGNA3 40-40 F (N)
MAGNA3 40-60 F (N)
MAGNA3 40-80 F (N)
MAGNA3 40-100 F (N)
MAGNA3 40-120 F (N)
MAGNA3 40-150 F (N)
MAGNA3 40-180 F (N)
MAGNA3 50-40 F (N)
MAGNA3 50-60 F (N)
MAGNA3 50-80 F (N)
MAGNA3 50-100 F (N)
MAGNA3 50-120 F (N)
MAGNA3 50-150 F (N)
MAGNA3 50-180 F (N)
MAGNA3 65-40 F (N)
MAGNA3 65-60 F (N)
MAGNA3 65-80 F (N)
MAGNA3 65-100 F (N)
MAGNA3 65-120 F (N)
MAGNA3 65-150 F (N)
MAGNA3 80-40 F
MAGNA3 80-60 F
MAGNA3 80-80 F
MAGNA3 80-100 F
MAGNA3 80-120 F
MAGNA3 100-40 F
MAGNA3 100-60 F
MAGNA3 100-80 F
MAGNA3 100-100 F
MAGNA3 100-120 F
220
220
220
220
220
220
220
220
220
250
250
250
240
240
240
280
280
280
280
340
340
340
340
340
340
360
360
360
360
360
450
450
450
450
450
Stainless steel
PN 10
PN 10
Electrical
connection
Plug
Plug
Plug
Plug
Plug
Plug
Plug
Plug
Plug
Flange connection
Stainless steel
PN 6/10
PN 16
PN 6/10
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Data sheet
Page
44
45
46
47
48
49
51
53
55
Electrical
connection
Data sheet
Page
Plug
Plug
Plug
Plug
Terminals
Plug
Plug
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
Terminals
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91
93
95
97
99
101
103
105
107
109
111
113
115
117
119
121
123
125
Performance range
p
[kPa]
H
[m]
MAGNA3
18
40-180
50-180
15
50-150
40-150
65-150
12
100
90
80
25-120
40-120
32-120
50-120
65-120
80-120
100-120
80-100
100-100
10
25-100
32-100
40-100
50-100 65-100
8
70
32-80
25-80
60
6
50
5
40
4
30
3
20
2
15
1.5
25-60
32-60
25-40
1
40-80
32-40
3
40-60
50-60
40-40
4
1
50-80
5
50-40
6
7
2
8
10
65-80
80-80
100-80
65-60
80-60
100-60
65-40
80-40
100-40
15
3
4
20
5
30
6
7
8
40
9 10
50
60
70 80
Q [m³/h]
Q [l/s]
Temperature range (all models):
Liquid temperature: -10°C up to +110°C
Ambient temperature: 0°C up to +40°C
10
11
The full Grundfos product range covers all
building application areas:
• Pressure boosting
• Heating
• Cooling
• Ground source energy, GSHP
• District energy
• Water disinfection
• Wastewater handling
• Rainwater harvesting
• Fire fighting
Grundfos Holding A/S
Poul Due Jensens Vej 7
DK-8850 Bjerringbro
Tel: +45 87 50 14 00
www.grundfos.com
The name Grundfos, the Grundfos logo, and be think innovate are registered trademarks owned by Grundfos Holding A/S or Grundfos A/S, Denmark. All rights reserved worldwide.
We offer a complete range of MAGNA3
pumps with unrivalled efficiency, intelligent
technology to match your every need and
the well-known Grundfos reliability based
on 65 years of experience.
Item No. 98366695/Version No. 0814
MAGNA3
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