Grundfos SRG 60 Hz, Installation And Operating Instructions Manual

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English (GB)
5
English (GB) Installation and operating instructions
Original installation and operating instructions
These installation and operating instructions
describe Grundfos SRG 50 Hz recirculation pumps.
Sections 1-5 give the information necessary to be
able to unpack, install and start up the product in a
safe way.
Sections 6-10 give important information about the
product, as well as information on service, fault
finding, and disposal of the product.
CONTENTS
Page
1. General information
This booklet includes instructions for installing,
starting-up and servicing Grundfos 50 Hz
recirculation pumps, type SRG, designed for transfer
of liquids of low to medium viscosity (
≤
500 mPas)
from one tank to another.
1.1 Symbols used in this document
1. General information 5
1.1 Symbols used in this document 5
2. Safety instructions
6
3. Receiving the product 7
3.1 Transporting the product 7
3.2 Inspecting the product 7
3.3 Storing the product
7
4. Installing the product
7
4.1 Positioning 7
4.2 Torques 8
4.3 Mechanical installation 8
4.4 Electrical connection 10
4.5 Electrical protection
13
4.6 Protection against electro-chemical
corrosion 14
5. Starting-up the product
15
6. Product introduction
15
6.1 Applications 15
6.2 Identification 16
7. Servicing the product 17
7.1 Contaminated pump
17
7.2 Service chart
18
7.3 Oil 19
7.4 Changing the oil 19
8. Fault finding the product 20
9. Technical data
22
9.1 General technical data
22
9.2 Motor 22
9.3 Gearbox 22
9.4 Shaft seals 22
9.5 Impeller
22
9.6 Sound pressure level
22
10. Disposing of the product 22
Warning
Prior to installation, read these installation
and operating instructions. Installation and
operation must comply with local
regulations and accepted codes of good
practice.
Warning
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.
Warning
If these safety instructions are not
observed, it may result in personal injury.
Warning
If these instructions are not observed, it
may lead to electric shock with consequent
risk of serious personal injury or death.
Caution
If these safety instructions are not
observed, it may result in malfunction or
damage to the equipment.
Note
Notes or instructions that make the job
easier and ensure safe operation.