Grundfos CH Series User Manual

English (GB)
6
English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
Page
1. Symbols used in this document
2. General description
2.1 Applications
The CH range of Grundfos horizontal multistage
centrifugal pumps are designed for the pumping of
water and other thin, non-aggressive and
non-explosive liquids, not containing solid particles
or fibres.
2.2 Operating conditions
2.2.1 Liquid temperature
0 °C to +90 °C.
2.2.2 Ambient temperature
Up to +55 °C.
2.2.3 Maximum operating pressure
0 °C to +40 °C: Up to 10 bar.
+41 °C to +90 °C: Up to 6 bar.
2.2.4 Maximum inlet pressure
The actual inlet pressure plus the pressure when the
pump is operating against a closed valve should
always be lower than the "maximum operating
pressure".
1. Symbols used in this document
6
2. General description
6
2.1 Applications
6
2.2 Operating conditions
6
2.3 Technical data
7
2.4 Sound pressure level
7
3. Installation
7
3.1 Pump location
7
3.2 Position of terminal box
7
3.3 Pipework
8
3.4 Installation examples
8
4. Electrical connection
8
4.1 Checking the direction of rotation
8
5. Starting
9
5.1 Priming
9
5.2 Frequency of starts and stops
9
6. Operation and maintenance
9
6.1 Frost protection
9
7. Fault finding
10
8. Disposal
10
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.
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.

Grundfos CH Series Specifications

General

Brand	Grundfos
Model	CH Series
Category	Water Pump
Language	English