Grundfos LS Series, Installation And Operating Instructions Manual

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English (GB) Installation and operating instructions
Original installation and operating instructions
These installation and operating instructions
describe LS.
Sections 1-4 give the information necessary to be
able to unpack, install and start up the product in a
safe way.
Sections 5-10 give important information about the
product, as well as information on service, fault
finding and disposal of the product.
CONTENTS
Page
1. General information
Grundfos LS horizontal split case pumps are
supplied either as a complete pump with motor, base
frame and approved coupling guard or as a bare
shaft pump.
These instructions apply to both types.
The LS pump can be driven by an electric motor or
another type of driver. In the following we assume
that the pump is driven by an electric motor.
1.1 Hazard statements
The symbols and hazard statements below may
appear in Grundfos installation and operating
instructions, safety instructions and service
instructions.
The hazard statements are structured in the
following way:
1. General information 2
1.1 Hazard statements 2
1.2 Notes
3
2. Receiving the product 3
2.1 Inspecting the product 3
2.2 Temporary storage 3
3. Installing the product
4
3.1 Location
4
3.2 Mechanical installation 4
3.3 Electrical connection 8
3.4 Pipes 9
3.5 Inlet pipe guidelines 11
4. Starting up the product
13
4.1 General information 13
4.2 Prestart checks 13
4.3 Priming 14
4.4 Startup 15
4.5 Final alignment
16
4.6 Greasing the grid coupling 17
5. Product introduction 18
5.1 Applications 18
5.2 Pumped liquids 18
5.3 Identification
18
6. Servicing the product 21
6.1 Contaminated pumps 21
6.2 Operating checks 21
6.3 Maintaining the product 21
7. Taking the product out of operation
23
7.1 Short-term shutdown 23
7.2 Long-term shutdown 24
8. Fault finding the product 25
9. Technical data 28
9.1 Operating conditions
28
9.2 Flange forces and torques 30
9.3 Sound pressure level 32
10. Disposing of the product 33
Read this document and the online version
of the installation and operating
instructions before installing the product.
Installation and operation must comply
with local regulations and accepted codes
of good practice.
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.
SIGNAL WORD
Description of hazard
Consequence of ignoring the warning.
- Action to avoid the hazard.