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Grundfos LF User Manual

Grundfos LF
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English (US)
English (US) Installation and operating instructions
Original installation and operating instructions
These installation and operating instructions describe LC, LCV,
LF, and LCS pumps.
Sections 1-6 give the information necessary to be able to unpack,
install and start up the product in a safe way.
Sections 7-12 give important information about the product, as
well as information on service, fault finding and disposal of the
product.
CONTENTS
Page
1. Limited warranty
4
2. General information
4
2.1 Symbols used in this document
4
2.2 Other important notes
4
3. Receiving the product
5
3.1 Unpacking the product
5
3.2 Inspecting the product
5
3.3 Temporary storage after delivery
5
4. Installing the product
5
4.1 Location
5
4.2 Pump foundation
5
4.3 Securing the base plate
6
4.4 Mechanical installation
6
4.5 Electrical connection
8
5. Starting up the product
9
5.1 Priming
9
5.2 Pre-start checklist
9
5.3 Motor direction of rotation
10
5.4 Starting the pump
10
5.5 Voltage and frequency variation
10
6. Storing and handling the product
10
7. Product introduction
10
7.1 Applications
10
7.2 Pumped liquids
10
7.3 Pump identification
10
8. Servicing the product
11
8.1 Maintaining the product
11
8.2 Lubricating the product
11
8.3 Disassembling the pump
12
8.4 Replacing the shaft seal (LCS pumps)
13
8.5 Replacing the wear ring
14
8.6 Reassembling the pump
14
8.7 LF, exploded view and parts list
15
8.8 LC, cross section and parts list
16
8.9 LCV, cross section and parts list
17
8.10 LCS, exploded view and parts list
18
9. Taking the product out of operation
19
9.1 General procedure
19
9.2 Short-time shutdown
19
9.3 Long-term shutdown
19
10. Fault finding
20
11. Technical data
22
11.1 Operating conditions
22
12. Disposing of the product
22
Prior to installation, read these installation and
operating instructions. Installation and operation
must comply with local regulations and accepted
codes of good practice.
The use of this product requires experience with and
knowledge of the product. Persons with reduced
physical, sensory or mental capabilities must not use
this product, unless they are under supervision or
have been instructed in the use of the product by a
person responsible for their safety. Children must not
use or play with this product.
CAUTION
Successful operation depends on careful attention to
the procedures described in this manual. Keep this
manual for future use.
LC_LCV_LF_LCS_1 language_US Eng.book Page 3 Thursday, August 24, 2017 4:08 PM

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Grundfos LF Specifications

General IconGeneral
BrandGrundfos
ModelLF
CategoryWater Pump
LanguageEnglish

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