English (GB)
4
English (GB)
Installation and operating instructions
Original installation and operating instructions
CONTENTS
Page
1. General information
1.1 Introduction
These installation and operating instructions contain all the
information required for starting up and handling the DDI 222
diaphragm dosing pump.
If you require further information or if any problems arise, which
are not described in detail in this manual, please contact the
nearest Grundfos company.
1.2 Service documentation
If you have any questions, please contact the nearest Grundfos
company or service workshop.
1.3 Information about the product
1.3.1 Pump types
The DDI 222 dosing pump is available for a variety of
performance ranges in various sizes:
The following is indicated on the pump nameplate
(see section
):
• The pump type which specifies the stroke volume, connection
size and performance data (see below).
• The pump serial number which is used to identify the pump.
• The most important characteristics of the pump configuration,
e.g. dosing head and valve materials. They are described in
section
.
• Maximum flow rate and maximum counter-pressure.
• Supply voltage or mains voltage and mains frequency.
1.3.2 Connection size
Identification of safety instructions in this manual
Qualification and training of personnel
Risks when safety instructions are not observed
Safety instructions for the operator/user
Safety instructions for maintenance, inspection and
installation work
Unauthorised modification and manufacture of spare
parts
Safety of the system in the event of a failure in the
dosing system
Transport and intermediate storage
General information on installation
Connecting the signal lines for DDI 222
Connecting the power supply cable
Initial start-up / subsequent start-up
General functions of the control unit
Current signal control 0-20 mA / 4-20 mA
9.13 Creating a master/slave application
10.3 Cleaning suction and discharge valves
Warning
Prior to installation, read these installation and
operating instructions. Installation and operation
must comply with local regulations and accepted
codes of good practice.
Note
These complete installation and operating
instructions are also available on www.grundfos.com.
Pump types
DDI 60-10
DDI 150-4
Note
The pump for viscous liquids is called HV variant in
the following.
Pump type
Connection size
HV variant
DDI 60-10
DN 8
DN 20
DDI 150-4
DN 20
DN 20
Summary of Contents for DDI 150-4
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