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English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
1.
2.
2.4 SM 111
3.
4.
5.
6.
7.
8.
9.
11.
Warning
Prior to installation, read these
installation and operating instructions.
Installation and operation must comply
with local regulations and accepted
codes of good practice.
1. Symbols in these instructions
Warning
Instructions with this symbol require
Page
special attention. If these safety
5
instructions are not observed, it may
result in personal injury.
5
6
Warning
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7
These instructions must be observed
for explosion-proof pumps.
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8
If these safety instructions are not
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Caution
observed, it may result in malfunction
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or damage to the equipment!
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Notes or instructions that make the job
Note
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easier and ensure safe operation.
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2. General description
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The IO 111 forms interface between a Grundfos
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wastewater pump with analog and digital sensors
and the pump controller. The most important sensor
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status is indicated on the front panel.
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One pump can be connected to an IO 111 module.
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Together with the sensors, the IO 111 forms a
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galvanic separation between the motor voltage in the
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pump and the controller connected.
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By means of the IO 111 it is possible to:
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•
protect the pump against overtemperature
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•
monitor sensors for analog measurement of:
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- motor temperature
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- water content [%] in oil
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- stator insulation resistance
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- bearing temperature
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- digital measurement of moisture in motor
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•
stop the pump in case of alarm
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•
remote monitor the pump via RS485
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communication (Modbus or GENIbus)
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•
operate the pump via frequency converter.
If the cable is more than 10 metres long, it is
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advisable to equip the frequency converter with
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an output filter to prevent incorrect analog
measurements.
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Warning
The IO 111 must not be used for other
purposes as the ones specified.
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