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Observe these instructions for explosion-proof products.
A blue or grey circle with a white graphical symbol indi-
cates that an action must be taken.
A red or grey circle with a diagonal bar, possibly with a
black graphical symbol, indicates that an action must not
be taken or must be stopped.
If these instructions are not observed, it may result in mal-
function or damage to the equipment.
Tips and advice that make the work easier.
2. Installing the product
2.1 Location
Install the product in a location that meets the following
requirements:
•
Place the product in a flood-safe place.
•
Make sure that the ambient temperature is within the limits.
•
Install the product as close as possible to the connected pumps,
sensors, and accessories.
•
The product must be protected from direct sunlight.
•
The product must be easily accessible.
•
We recommend that you install the product in a protective shed
or enclosure to avoid direct sunlight and rain.
•
Indoor installation: The product must be installed in a well-
ventilated room to ensure cooling of its components.
2.2 Mechanical installation
2.2.1 Mounting the control unit
1. Fasten the control unit with the four screws (1), M4 x 12,
supplied with the unit. Torque value: 0.5 Nm.
Min. 1 (0.04")
Max. 5 (0.2")
Mounting the control unit
Related information
7.3 Replacing the control unit
2.2.2 Installing a communication interface module
You can fit a communication interface module (CIM) in the control
unit to enable communication with external systems. The module is
optional and is not delivered with the product. See the installation
and operating instruction for the module regarding electrical
connections.
Use an antistatic service kit when handling electronic
components. This prevents static electricity from damag-
ing the components.
1. Remove the screw in the back cover of the CU product.
6
2. Remove the back cover.
3. Break off the tap.
1
4. Fit the CIM module.
1 Nm
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