Inhaltsverzeichnis - Grundfos LSV Montage- Und Betriebsanleitung

English (GB) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information . . . . . . . . . . . . . 6
1.1 Hazard statements . . . . . . . . . . . . . . 6
1.2 Notes . . . . . . . . . . . . . . . . . . . . . 6
2. Receiving the product. . . . . . . . . . . . 6
2.1 Inspecting the product . . . . . . . . . . . . 6
2.2 Temporary storage . . . . . . . . . . . . . . 7
3. Installing the product . . . . . . . . . . . . 7
3.1 Location . . . . . . . . . . . . . . . . . . . . 7
3.2 Mechanical installation . . . . . . . . . . . . 7
3.3 Electrical connection . . . . . . . . . . . . . 11
3.4 Pipes . . . . . . . . . . . . . . . . . . . . . 12
3.5 Inlet pipe guidelines. . . . . . . . . . . . . . 14
4. Starting up the product . . . . . . . . . . . 17
4.1 General information . . . . . . . . . . . . . . 17
4.2 Prestart checks . . . . . . . . . . . . . . . . 17
4.3 Priming . . . . . . . . . . . . . . . . . . . . 18
4.4 Startup. . . . . . . . . . . . . . . . . . . . . 18
4.5 Alignment . . . . . . . . . . . . . . . . . . . 19
5. Product introduction . . . . . . . . . . . . 20
5.1 Applications . . . . . . . . . . . . . . . . . . 20
5.2 Pumped liquids . . . . . . . . . . . . . . . . 20
5.3 Identification. . . . . . . . . . . . . . . . . . 21
6. Servicing the product . . . . . . . . . . . . 26
6.1 Contaminated pumps . . . . . . . . . . . . . 26
6.2 Operating checks . . . . . . . . . . . . . . . 26
6.3 Maintaining the product . . . . . . . . . . . . 26
7. Taking the product out of operation . . . . 28
7.1 Short-term shutdown . . . . . . . . . . . . . 28
7.2 Long-term shutdown . . . . . . . . . . . . . 28
8. Fault finding the product . . . . . . . . . . 29
8.1 The pump delivers no liquid . . . . . . . . . 29
8.2 The pump does not deliver enough liquid . . 29
8.3 The pump does not create enough
pressure . . . . . . . . . . . . . . . . . . . . 30
8.4 The pump loses liquid after running for a
short time . . . . . . . . . . . . . . . . . . . 31
8.5 The pump consumes too much power . . . . 31
8.6 The motor is overloaded . . . . . . . . . . . 32
8.7 Vibrations . . . . . . . . . . . . . . . . . . . 32
8.8 Cavitation noise . . . . . . . . . . . . . . . . 33
8.9 The pump bearings are overheated . . . . . 33
8.10 The pump operates for a short time and
then stops . . . . . . . . . . . . . . . . . . . 33
9. Technical data . . . . . . . . . . . . . . . . 34
9.1 Operating conditions . . . . . . . . . . . . . 34
9.2 Flange forces and torques . . . . . . . . . . 36
10. Disposing of the product . . . . . . . . . . 37
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