Grundfos LS Series User Manual

English (GB)
2
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.

Grundfos LS Series Specifications

General

Brand	Grundfos
Model	LS Series
Category	Water Pump
Language	English