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English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
1.
Symbols used in this document
2.
Permanent magnets
3.
Product description
4.
Technical data
5.
Type key
6.
Mechanical installation
6.1
Installation of pump
6.2
Connection of sensor
7.
Electrical connection
7.1
Motor protection
8.
Startup
9.
Maintenance
10.
Fault finding
11.
Service
11.1 Other documentation
12.
Disposal
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 used in this document
Warning
If these safety instructions are not observed, it may
result in personal injury.
If these safety instructions are not observed, it may
Caution
result in malfunction or damage to the equipment.
Notes or instructions that make the job easier and
Note
ensure safe operation.
2. Permanent magnets
Warning
Persons with pacemaker or other magnet-sensitive
medical devices must not handle this pump. They
must keep a distance of at least 1 metre from the
MAGdrive, as there is a risk of influence from the
magnetic fields of the pump.
Credit cards, computers, watches and other magnet-
sensitive objects should not be kept close to the
pump.
Warning
The pump contains powerful magnets that may pose
a risk of personal injury when servicing the pump.
The pump should therefore only be dismantled and
assembled by authorised personnel.
3. Product description
Warning
Operation and servicing of the pump may pose a risk
Page
to life and the health of the persons involved if the
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pumped liquid is flammable, aggressive, corrosive,
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toxic, or in any other way harmful.
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Warning
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When pumping hot or cold liquids, ensure that
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persons cannot accidentally come into contact with
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hot or cold surfaces.
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Incorrect operation of the pump can result in
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Caution
malfunction or damage to the pump and damage to
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the surrounding property.
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Grundfos CRN MAGdrive are semi-hermetic and essentially
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leakage-free pumps. The motor torque is transmitted to the pump
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shaft by means of magnetic force.
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Grundfos CRN MAGdrive pumps are suitable for the pumping of
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these liquids:
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•
aggressive or corrosive liquids
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•
toxic liquids
•
volatile liquids
•
flammable liquids.
Must not be used for liquids containing fibres and
Caution
magnetic particles.
Fig. 1
CRN MAGdrive pump
Pos.
Description
1
Motor
2
Magnetic drive
3
Pump
1
2
3
5
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