Symbols Used In This Document - Grundfos SE1 50 Montage- Und Betriebsanleitung

English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
1.

Symbols used in this document

2. General description
2.1 Product drawing
2.2 Control and monitoring
2.3 Applications
2.4 Pump selection
2.5 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 Dry installation
7.4 Tightening torques for suction and discharge flanges
8. Electrical connection
8.1 Wiring diagrams, 7-core cable
8.2 Wiring diagrams, 10-core cable
8.3 Pump controllers
8.4 Thermal switch, PT 1000 and thermistor (PTC)
8.5 WIO sensor
8.6 Moisture switch
8.7 IO 111
8.8 IO 113
8.9 Frequency converter operation
9. Start-up
9.1 SE1
9.2 SEV
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 chart
12. Sensor check measurements
12.1 Check measurement using a standard instrument
13. Technical data
14. 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.
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 SE1 and SEV submersible sewage and
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wastewater pumps with motors of 1.1 to 11 kW. Grundfos SE1
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and SEV 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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• SE1 pumps with S-tube impeller
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• SEV pumps with SuperVortex impeller.
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19 The pumps can be installed on an auto-coupling system or stand
19 freely on the bottom of a pit. They can even be dry-installed in
19 either vertical or horizontal position.
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Grundfos SE1 and SEV pumps are designed with an S-tube and
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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-
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proof pumps.
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