Grundfos SP User Manual

4
English (US)
English (US) Installation and operating instructions
Original installation and operating
instructions
CONTENTS
Page
1. Limited warranty
5
2. Symbols used in this document
5
3. Product description
6
3.1 Introduction
6
3.2 Applications
6
3.3 Features and benefits
6
3.4 Type key
6
4. Delivery, handling and storage
6
4.1 Delivery
6
4.2 Handling
6
4.3 Storage
7
5. Operating conditions
7
6. Installation
7
6.1 Pre-installation checklist
7
6.2 Positional requirements
8
6.3 Preparation
9
6.4 Removing and fitting the cable guard
11
6.5 Splicing the motor cable
11
6.6 Riser pipe
12
6.7 Electrical and variable-frequency
drive information
14
7. Startup
22
7.1 Startup with three-phase motors
22
8. Operation
24
8.1 Minimum flow rate
24
8.2 Soft starter
25
8.3 Maintenance and service
25
9. Troubleshooting
25
9.1 Preliminary tests
26
9.2 Checking pump performance
27
9.3 Troubleshooting chart
28
10. Technical data
32
10.1 Motor cooling requirements
32
10.2 Guide for engine-driven generators
in submersible pump applications
33
10.3 Transformer capacity required for
three-phase submersible motors
34
10.4 Submersible drop cable selection
charts (60 Hz)
34
10.5 Approvals
40
10.6 Electrical data
41
11. Disposal
44
WARNING
Prior to installation, read these
installation and operating instructions.
Installation and operation must
comply with local regulations and
accepted codes of good practice.
Keep this booklet with the pump for
future reference and information
regarding its operation.
WARNING
The installation 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.

Grundfos SP Specifications

General

Brand	Grundfos
Model	SP
Category	Water Pump
Language	English