Symbols Used In This Document - Grundfos SL1 Serie Montage- Und Betriebsanleitung

English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
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Symbols used in this document

2. General description
2.1 Product drawing
2.2 Control and monitoring
2.3 Applications
2.4 Operating conditions
3. Delivery and handling
3.1 Transportation
3.2 Storage
4. Identification
4.1 Nameplate
4.2 Type key
5. Approvals
5.1 Approval standards
5.2 Explanation to Ex approval
6. Safety
6.1 Potentially explosive environments
7. Installation
7.1 Submerged installation on auto-coupling
7.2 Free-standing submerged installation on ring stand
7.3 Torques for suction and discharge flanges
8. Electrical connection
8.1 Wiring diagrams
8.2 Pump controllers
8.3 Thermal switch, Pt1000 and PTC thermistor
8.4 WIO sensor (water-in-oil sensor)
8.5 Moisture switch
8.6 IO 113
8.7 Frequency converter operation
9. Startup
9.1 General startup procedure
9.2 Operating modes
9.3 Direction of rotation
10. Maintenance and service
10.1 Inspection
10.2 Dismantling the pump
10.3 Assembling the pump
10.4 Oil quantities
10.5 Service kits
10.6 Contaminated pumps
11. Fault finding
12. Technical data
13. Disposal
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.
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1. Symbols used in this document
Warning
Page If these safety instructions are not observed, it may
result in personal injury.
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Warning
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If these instructions are not observed, it may lead to
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electric shock with consequent risk of serious
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personal injury or death.
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Warning
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These instructions must be observed for explosion-
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proof pumps. We recommend that you also follow
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these instructions for standard pumps.
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If these safety instructions are not observed, it may
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Caution
result in malfunction or damage to the equipment.
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Notes or instructions that make the job easier and
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ensure safe operation.
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2. General description
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This booklet includes instructions for installation, operation and
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maintenance of Grundfos SL1 and SLV submersible sewage and
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wastewater pumps with motors of 1.1 to 11 kW. Grundfos SL1
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and SLV sewage and wastewater pumps are designed for
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pumping domestic, municipal and industrial sewage and
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wastewater.
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Two types of pumps are available:
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• SL1 sewage pumps with S-tube impeller
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• SLV sewage pumps with SuperVortex, free-flow impeller.
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16 The pumps can be installed on an auto-coupling system or stand
16 freely on the bottom of a tank.
17 Grundfos SL1 and SLV pumps are designed with an S-tube and
SuperVortex impeller, respectively, to ensure reliable and
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optimum operation.
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The booklet also includes specific instructions for the explosion-
proof pumps.
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