Grundfos MG 100LA2, Installation And Operating Instructions Manual

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English (GB) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 Hazard statements . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2. Product introduction. . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Product description . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3. Receiving the product . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Inspecting the product. . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 Handling and storing the product . . . . . . . . . . . . . . . . . 6
4. Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.1 Mounting designations . . . . . . . . . . . . . . . . . . . . . . . 6
4.2 Drain holes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3 Motor bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.4 Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.5 Cable entry/screwed connection . . . . . . . . . . . . . . . . . 7
5. Operating conditions . . . . . . . . . . . . . . . . . . . . . . . 8
5.1 Ambient temperature and installation altitude. . . . . . . . . . 8
5.2 Frequency converter operation . . . . . . . . . . . . . . . . . . 8
6. Mechanical installation . . . . . . . . . . . . . . . . . . . . . . 9
6.1 Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.2 Terminal box positions. . . . . . . . . . . . . . . . . . . . . . . . 9
6.3 Outdoor installation . . . . . . . . . . . . . . . . . . . . . . . . 10
6.4 Foundation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.5 Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.6 Fitting of coupling parts and pulleys . . . . . . . . . . . . . . 10
7. Electrical installation . . . . . . . . . . . . . . . . . . . . . . 10
7.1 General information . . . . . . . . . . . . . . . . . . . . . . . . 10
7.2 Electrical connection. . . . . . . . . . . . . . . . . . . . . . . . 11
8. Starting up the product . . . . . . . . . . . . . . . . . . . . . 11
8.1 Measuring the insulation resistance . . . . . . . . . . . . . . 11
8.2 Direction of rotation . . . . . . . . . . . . . . . . . . . . . . . . 11
9. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
9.1 Max. number of starts per hour . . . . . . . . . . . . . . . . . 11
10. Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
10.1 Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
10.2 Motor bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
10.3 Service documentation . . . . . . . . . . . . . . . . . . . . . . 12
11. Fault finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
12. Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
12.1 Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
12.2 Enclosure class. . . . . . . . . . . . . . . . . . . . . . . . . . . 13
12.3 Dimensional sketches . . . . . . . . . . . . . . . . . . . . . . . 13
12.4 Sound pressure level . . . . . . . . . . . . . . . . . . . . . . . 13
12.5 Winding resistances . . . . . . . . . . . . . . . . . . . . . . . . 13
13. Disposing of the product . . . . . . . . . . . . . . . . . . . . 13
1. General information
Read this document before you install the product. Instal-
lation and operation must comply with local regulations
and accepted codes of good practice.
1.1 Hazard statements
The symbols and hazard statements below may appear in Grundfos
installation and operating instructions, safety instructions and
service instructions.
DANGER
Indicates a hazardous situation which, if not avoided, will
result in death or serious personal injury.
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious personal injury.
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate personal injury.
The hazard statements are structured in the following way:
SIGNAL WORD
Description of the hazard
Consequence of ignoring the warning
•
Action to avoid the hazard.
1.2 Notes
The symbols and notes below may appear in Grundfos installation
and operating instructions, safety instructions and service
instructions.
Observe these instructions for explosion-proof products.
A blue or grey circle with a white graphical symbol indi-
cates that an action must be taken.
A red or grey circle with a diagonal bar, possibly with a
black graphical symbol, indicates that an action must not
be taken or must be stopped.
If these instructions are not observed, it may result in mal-
function or damage to the equipment.
Tips and advice that make the work easier.
1.3 Safety
Observe the safety instructions to ensure correct installation,
operation and maintenance of the motor. The instructions must be
known by any person installing, using or maintaining the motor.
Failure to observe the instructions may invalidate the warranty.
Safety equipment required to prevent accidents must be made
available according to local safety instructions.
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English (GB)