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Grundfos CRE Series User Manual

Grundfos CRE Series
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The replacement or servicing of
batteries must be carried out by a
qualified person.
The battery contained within this
product, whether new or used, is
hazardous and is to be kept away from
children.
CAUTION
Sharp element
Minor or moderate personal injury
When servicing the product, wear
protective gloves to avoid cutting your
hands on sharp edges.
CAUTION
Cold surface
Minor or moderate personal injury
Make sure that no one can accidentally
come into contact with cold surfaces.
Wear protective gloves.
Do not remove the rotor from the motor.
Make sure to fill the pump with water
before the power is switched on. Follow
the instructions for the pump.
Related information
3.3 Lifting the product
13.4.8 Torques
10.1
Maintenance
10.1.1 Cleaning the product
WARNING
Electric shock
Death or serious personal injury
Switch off the power supply to the
product including the power supply for
the signal relays. Make sure that the
power supply cannot be switched on
accidentally.
Check that the terminal box cover is
intact before spraying water or
chemicals on the product.
Cleaning must be done with non-
aggressive materials to avoid damage
to surfaces and labels.
Make sure that the air inlets are kept
clean and free of residuals.
Do not expose the product to high-
pressure water jets.
To clean the motor, follow the procedure below:
1. Let the motor cool down first to avoid
condensation.
2. Spray it with cold water, and use only non-
aggressive cleaning materials.
11. Taking the product out of operation
WARNING
Electric shock
Death or serious personal injury
Switch off the power supply and make
sure that it cannot be accidentally
switched on. The power supply must
be switched off for at least five minutes
before you start working on the
product.
WARNING
Back injury
Death or serious personal injury
Use lifting equipment and follow local
regulations when lifting the product.
The lifting eyes on the motor can be used
for lifting the pump as well.
For lifting instructions, see the related
installation and operating instructions for
the pump.
Related information
1.1 Related instructions
12. Fault finding
WARNING
Electric shock
Death or serious personal injury
Switch off the power supply before you
start any work on the product.
Make sure that the power supply
cannot be switched on accidentally.
For information on fault finding,
see the related installation and operating
instructions for the pump.
82
English (GB)

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Grundfos CRE Series Specifications

General IconGeneral
Motor TypeAsynchronous
Enclosure ClassIP55
Insulation ClassF
SeriesCRE
Protection ClassIP55
MaterialStainless Steel
ApplicationsWater Supply, Pressure Boosting, Irrigation
Pumped liquidClean liquids
ApprovalsCE
Voltage380-415V
Connection SizeDN 32 to DN 100
EfficiencyIE3 Premium Efficiency
Power Supply3-phase
Liquid Temperature Range-10°C to +120°C
Temperature Range-10°C to +120°C

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