English (GB)
16
6. Setting up the CUE frequency
converter in an SPE system
The SPE system consists of the following:
• SPE pump set
• sine-wave filter
• CUE frequency converter.
The CUE has a start-up guide. Follow the
instructions on the display.
Note that to compensate for the impact from long
cable length, Automatic Motor Adaptation (AMA) is
highly recommended to be set as described below:
After completing the installation and settings, go to
parameter 1-29 "Automatic Motor Adaptation (AMA)"
and select [2] Enable Reduced AMA. Then press
[Hand on] to start AMA.
For further information regarding safety and
advanced settings see the CUE Installation and
operating instruction.
7. Motor installation
Valid for all MS/MMS
Valid for MS6000P only.
In case of unintended flow of water through a non-
energized pump, there is a risk that the moving parts
of the pump and the motor will start rotating, thereby
generating voltage over the terminals. The size of
the voltage depends on the speed of rotation.
Consequently, the motor terminals must be
considered as live until proven otherwise.
8. Mechanical installation
8.1 Removing and fitting the cable guard
The cable guard is screwed onto the pump, it must
be removed and fitted by means of screws. See
pump installation and operating instructions.
8.2 Fitting of submersible drop cable and
motor cable
Before fitting the motor cable to the motor, make
sure that the cable socket is clean and dry.
To ease fitting of the cable, lubricate the rubber parts
of the cable plug with non-conducting silicone paste.
Tighten the screws holding the cable to the torques
stated below:
Connect the motor cable to the drop cable by original
Grundfos cable termination kits, such as shrink tube
type KM or cable termination kit type M0 to M4.
If necessary, shorten the motor cable to ensure that
it is always covered with pump medium prior to
making the cable termination as described above.
If the motor is delivered with the motor cable
mounted, make sure that the screws are re-tightened
to the torques specified in the table above.
Installation and operating
instructions
http://net.grundfos.com/qr/i/98870684
DANGER
Electric shock
Death or serious personal injury
- Switch off the power supply before
starting any work on the product.
- Make sure that the power supply cannot
be accidentally switched on.
DANGER
Electric shock
Death or serious personal injury
- Make sure that motor cable ends are
not live before starting any work on the
product.
- Make sure that the power supply cannot
be accidentally switched on.
Once the cable guard is fitted, make sure
that the pump chambers are aligned.
MS402: 3.1 Nm
MS4000: 3.0 Nm
MS6000: 4.5 Nm
MS6000P: 4.5 Nm
MMS6: 20 Nm
MMS8000: 18 Nm
MMS10000: 18 Nm
MMS12000: 15 Nm.
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