Grundfos CRE Manual De Instrucciones página 9

If you install the motor in moist
surroundings or areas with a high humidity,
ensure that the bottom drain hole is open.
As a result, the motor becomes self-
venting, allowing water and humid air to
escape. When you open the drain hole,
the enclosure class of the motor will be
lower than standard.
5.3.1 Cooling the motor
• Install the motor allowing a distance of minimum
50 mm (D) between the end of the fan cover and
the wall or another fixed object.
Model K
• Position the product with sufficient space around.
• Make sure that the temperature of the cooling air
does not exceed 50 °C.
• Keep cooling fins and fan blades clean.
6.1 Mounting the product
WARNING
Crushing of feet
Death or serious personal injury
‐
Fasten the pump securely to a solid
and even foundation according to the
specifications in the installation and
operating instructions for the pump.
‐
Follow the lifting instructions.
CAUTION
Radiation
Minor or moderate personal injury
‐
Locate the product at a minimum
distance of 20 cm from any body parts.
Human tissue may be heated by RF
energy.
D
Installation-related work on the product
must only be performed by qualified
persons.
For lifting instructions, see the related
installation and operating instructions for
the pump.
To maintain the cURus mark, additional
requirements apply to the equipment.
6.1.2 Changing the position of the operating panel
WARNING
Electric shock
Death or serious personal injury
‐
Switch off the power supply to the
product including the power supply for
the signal relays. Wait at least 5
minutes before you make any
connections in the terminal box.
7. Electrical connection
WARNING
Electric shock
Death or serious personal injury
‐
Switch off the power supply to the
product including the power supply for
the signal relays. Wait at least 5
minutes before you make any
connections in the terminal box.Make
sure that the power supply cannot be
switched on accidentally.
‐
Check that the supply voltage and
frequency correspond to the values
stated on the nameplate.
‐
Connect the pump to an external
power switch close to the pump and to
a motor-protective circuit breaker.
Make sure you can lock the power
switch in OFF position (isolated). Type
and requirements as specified in EN
60204-1, 5.3.2.
CAUTION
Sharp element
Minor or moderate personal injury
‐
When installing the wiring in the
terminal box, wear protective gloves to
avoid cutting your hands on sharp
edges.
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