Grundfos DMS 12, Installation And Operating Instructions Manual

Page: 4 / 68

4
Original installation and operating instructions.
CONTENTS
Page
1. General description 4
1.1 Applications 4
1.2 Type key 5
2. Technical data 6
2.1 Mechanical data 6
2.2 Electrical data 6
2.3 Dimensions 6
3. Installation 7
3.1 Safety instructions 7
3.2 Installation environment 7
3.3 Installation of pump 7
3.4 Electrical connection 7
3.5 Start/stop of pump 7
3.6 Priming/venting of pump 7
4. Maintenance 7
5. Service 7
6. Fault finding chart 8
7. Disposal 8
1. General description
The GRUNDFOS DMS dosing pump is a self-priming
diaphragm pump.
The pump consists of:
• a cabinet incorporating the drive unit and elec-
tronics and
• a dosing head with back plate, diaphragm,
valves, connections and vent valve.
1.1 Applications
The DMS dosing pump is designed for handling
chemicals within the following ranges of applications:
• Drinking water treatment.
• Wastewater treatment.
• Swimming pool water treatment.
• Boiler water treatment.
• Cooling water treatment.
• Process water treatment.
• Washing systems.
Before beginning installation procedures,
these installation and operating instruc-
tions should be studied carefully. The
installation and operation should also be in
accordance with local regulations and
accepted codes of good practice.