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English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
1.
Symbols used in this document
1.1
Safety
2.
Introduction
2.1
Application
3.
Delivery and handling
3.1
Delivery
3.2
Handling
4.
Identification
4.1
Nameplate
4.2
Type key
5.
Construction
5.1
Mounting designations
5.2
Drain holes
5.3
Motor bearings
5.4
Balancing
5.5
Cable entry/screwed connection
6.
Operating conditions
6.1
Ambient temperature and installation altitude
6.2
Frequency converter operation
7.
Mechanical installation
7.1
Clearance
7.2
Terminal box positions
7.3
Outdoor installation
7.4
Foundation
7.5
Alignment
7.6
Fitting of coupling parts and pulleys
8.
Electrical installation
8.1
General information
8.2
Electrical connection
9.
Start-up
9.1
Measuring the insulation resistance
9.2
Direction of rotation
10.
Operation
10.1 Max. number of starts per hour
11.
Maintenance
11.1 Motor
11.2 Motor bearings
12.
Technical data
12.1 Weight
12.2 Enclosure class
12.3 Dimensional sketches
12.4 Sound pressure level
12.5 Winding resistances
13.
Fault finding
14.
Service
14.1 Motor bearings
14.2 Service documentation
15.
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.
4
1. Symbols used in this document
Warning
Page
If these safety instructions are not observed, it may
result in personal injury.
4
4
Warning
4
If these instructions are not observed, it may lead to
4
electric shock with consequent risk of serious
5
personal injury or death.
5
5
Warning
5
The surface of the product may be so hot that it may
5
cause burns or personal injury.
5
6
If these safety instructions are not observed, it may
Caution
6
result in malfunction or damage to the equipment.
6
6
Notes or instructions that make the job easier and
Note
6
ensure safe operation.
7
1.1 Safety
7
7
Observe the safety instructions to ensure correct installation,
7
operation and maintenance of the motor. The instructions must
be known by any person installing, using or maintaining the
8
motor. Failure to observe the instructions may invalidate the
8
warranty.
8
Safety equipment required to prevent accidents must be made
8
available according to local safety instructions.
8
8
2. Introduction
8
9
These installation and operating instructions apply to these
9
Grundfos MG motors:
9
9
Phase
9
Model
9
1
3
9
9
B
10
10
C
10
D
10
F
10
H
10
10
For model designation, see section
10
10
2.1 Application
10
MG motors can be used within the framework of IEC 60034.
11
11
11
11
Power range
IEC frame size
[kW]
2-pole
4-pole
2-pole
0.25 - 2.2 0.18 - 1.1
71 - 90
0.25
-
71
0.37 - 11
0.25 - 5.5
71 - 132
1.1 - 11
1.1 - 4.0
90 - 160
7.5 - 22
5.5 - 15
132 - 180 132 - 160
0.75 - 22
0.75 - 15
80 - 180
4.2 Type
key.
4-pole
71 - 90
-
71 - 132
90 - 112
90 - 160
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