Installation and Operating Instructions

Table Of Contents
DANGER
Indicates a hazardous situation which, if not avoided, will
result in death or serious personal injury.
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious personal injury.
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate personal injury.
The hazard statements are structured in the following way:
SIGNAL WORD
Description of the hazard
Consequence of ignoring the warning
Action to avoid the hazard.
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1.2 Notes
The symbols and notes below may appear in Grundfos installation
and operating instructions, safety instructions and service
instructions.
Observe these instructions for explosion-proof products.
A blue or grey circle with a white graphical symbol
indicates 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
malfunction or damage to the equipment.
Tips and advice that make the work easier.
2. Installing the product
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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.
Outdoor installation: the product must be installed in a
protective shed or enclosure, class IP 54.
Indoor installation: The product must be installed in a well-
ventilated room to ensure cooling of its components.
2.2 Mechanical installation
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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.
170.5
120.5
1
Min. 1 / Max. 5
TM072345
Fig.
Mounting the control unit
Related information
7.2 Replacing the control unit
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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.
Use an antistatic service kit when handling electronic
components. This prevents static electricity from
damaging the components.
1. Remove the screw in the back cover of the CU product.
TM071905
2. Remove the back cover.
TM071906
5
English (GB)