Grundfos CU 301 Instrucciones De Instalación Y Funcionamiento página 5

2. Installing the product
DANGER
Electric shock
Death or serious personal injury
‐
Before starting any work on the
product, make sure that the power
supply has been switched off and that
it cannot be accidentally switched on.
‐
Use the recommended fuse size.
‐
Check that the supply voltage
corresponds to the values stated on
the nameplate.
‐
The user or the installer is responsible
for correct earthing and protection
according to local regulations.
2.1 Mechanical installation
You can install CU 301 both indoors and outdoors.
The control unit must not be exposed to direct
sunlight.
2.1.1 Mounting CU 301
CU 301 is designed for wall mounting.
The box has six mounting holes (∅4). See fig.
Dimensions. The dimensions are in mm.
CU 301 must be mounted as follows:
• Horizontally to allow condensed water, if any, to
escape. See fig. Dimensions.
On a plane surface to avoid deformation of the box.
104.5
Dimensions
CU 301 is supplied with special gaskets for the Pg
cable entries. The special gaskets are suitable for flat
cables and single-core cables.
104.5
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