Grundfos LC 231 Manual Del Usuario página 6

3. Place the front cover above the back cover on
the support brackets.
4. To ensure that the front cover does not tilt, insert
the two bottom screws into the open holes at the
top of the back cover.
Related information
2.2.3 Installing the control unit
2.2.4 Installing a communication interface module
2.3.4 Connecting a level sensor
3.6 Configuring the IO terminals using Grundfos GO
Remote
2.2.2 Disconnecting the front cover
If you need to remove the front cover completely, you
must remove the flat cable between the front cover
and the back cover.
Use an antistatic service kit when handling
electronic components. This prevents
static electricity from damaging the
components.
1. Loosen the screws.
2. Carefully separate the front cover from the back
cover.
3. Pull out the flat cable that is connected to the
circuit board. Do not remove the flat cable from
the front cover.
6
2.2.3 Installing the control unit
The product is designed to be mounted on a flat and
vertical surface. The cable glands must face
downwards.
1. Loosen the screws and remove the front cover.
Be careful not to damage the cable between the
front cover and the back cover.
2. Drill holes in the surface.
255 (10.0")
280 (11.0")
3. Insert wall plugs, if applicable.
4. Fit the four screws in the mounting holes and
cross-tighten the screws.
The mounting screws must have a
minimum length of 32 mm (Ø 8.2
mm). If the wall is more than 3 mm
uneven, insert rubber blocks between
the surface and the control unit to
even the surface. The box of the
control unit must not be bent.
Related information
2.2.1 Removing the front cover
2.2.4 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
115 (4.5")