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English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
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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
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may lead to electric shock with consequent
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risk of serious personal injury or death.
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If these safety instructions are not
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Caution
observed, it may result in malfunction or
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damage to the equipment.
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Notes or instructions that make the job
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Note
easier and ensure safe operation.
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2. General description
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2.1 Applications
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Grundfos DW pumps are designed for pumping:
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water from construction sites,
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water in mining industry,
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groundwater,
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surface water.
The DW pumps can handle all solids that can pass
through the suction strainer.
The compact design makes the pumps suitable for
both temporary and permanent installation. As the
pumps are made of light materials such as
composite and aluminium, they are easy to move
from one place to another.
2.2 Operating conditions
2.2.1 pH-value
The DW pumps can cope with pH-values ranging
from 5 to 8.
2.2.2 Liquid temperature
Liquid temperature: 0 °C to +40 °C.
Warning
Depending on the temperature of the
pumped liquid, the surface of the pump
may be so hot or cold that it may cause
burns or personal injury.
2.2.3 Density of pumped liquid
Maximum density of pumped liquid: 1100 kg/m
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