Table of Contents
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Table of Contents
Related Manuals for Grundfos DMB Series
Summary of Contents for Grundfos DMB Series
- Page 2 MANUAL DE BOMBAS DOSIFICADORAS DMB INSTRUCCIONES DE OPERACIÓN E INSTALACIÓN.
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Page 3: Table Of Contents
CONTENTS 1. General information ............3 5.1 Installation location ............6 1.1 Applications ..............3 5.2 Mounting ................1 1.2 Service documentation ............3 5.3 Installation tips ..............6 1.3 Operating conditions ............3 5.4 Tube / pipe lines ..............7 2. Safety .................. 4 6. -
Page 4: General Information
The DMB pump is to be used strictly in accordance with the instructions in this manual. Warning Other applications or the operation of pumps in ambient and operating conditions, which are not approved, are considered improper and are not permitted. Grundfos Alldos accepts no liability for any damage resulting from incorrect use. -
Page 5: Safety
Warning Electrical connections must only be carried out by qualified personnel! The pump housing must only be opened by personnel authorised by Grundfos Alldos! 2.7 Unauthorised modification and manufacture of spare parts Modification or changes to the pump are only permitted following agreement with the manufacturer. Original spare parts and accessories authorised by the manufacturer are safe to use. -
Page 6: Safety Of The System In The Event Of A Failure In The Dosing System
If Grundfos Alldos is requested to service the pump, it must be ensured that the pump is free from substances that can be injurious to health or toxic. If the pump has been used for such substances, the pump must be cleaned before it is returned. -
Page 7: Installation
Connection for deaeration line Deaeration screw for manual deaeration 5. Installation 5.1 Installation location Observe the permissible air humidity and the permissible ambient operation temperature, see section 1.3.7 Ambient and operating conditions. 5.1.1 Space required for operation and maintenance The pump must be installed in a position where it is easily accessible during operation and maintenance work. The control elements must be easily accessible during operation. -
Page 8: Tube / Pipe Lines
– Install a filter (15i) in the suction line to prevent the valves being contaminated. When installing the suction line, observe the following: Keep the suction line as short as possible. Prevent it from becoming tangled. If necessary, use swept bends instead of elbows. Always route the suction line up towards the suction valve. -
Page 9: Version With Mains Plug
Warning The pump housing must only be opened by personnel authorised by Grundfos Alldos! Warning Protect the cable connections and plugs against corrosion and humidity. Only remove the protective caps from the sockets that are being used. -
Page 10: Operating The Pump
7.2 Operating the pump To operate the pump, refer to sections 8. Operation and 9. Maintenance, and if necessary, section 10. Fault finding chart in the event of a fault. 7.3 Shutdown Warning Risk of chemical burns! Wear protective clothing (gloves and goggles) when working on the dosing head, connections or lines! Do not allow any chemicals to leak from the pump. -
Page 11: Switching On/Off
"Continuous operation" button for continuous operation. Use the "Menu/Info" button to switch between the operating modes. For setting the dosing flow in "Manual control" ("Manual") or "Contact signal control" ("Contact") mode. 8.2 Switching on/off Before switching on the pump, check that it is installed correctly. Refer to sections 5. Installation and 7.1 Initial start-up / subsequent start-up. -
Page 12: Notes For Stroke-Length Adjustment
The pump makes one dosing stroke after the set number of contact signals has been received, Divisor e.g. one stroke for every 4 contact signals for the setting 4:1. Even if the pump receives more contact signals than it can process at maximum stroke frequency, the pump runs for as long as possible in continuous operation with a maximum stroke frequency. -
Page 13: Replacing The Diaphragm
– Dismantle the cartridge. – Clean the cartridge. If faulty parts are detected, proceed as follows: – Replace the deaeration cartridge. For contents and order numbers of the spare parts kits, contact Grundfos Alldos. – Re-assemble the cartridge. 6. Refit all parts. See fig. 10 on page 16. -
Page 14: Fault Finding Chart
2. Dosing pump does Leaking suction line. Replace or seal the suction line. not suck in. Cross-section of the suction line too Check with Grundfos Alldos small or suction line too long. specification. Clogged suction line. Rinse or replace the suction line. -
Page 15: Disposal
11. Disposal This product or parts of it must be disposed of in an environmentally sound way: Use appropriate waste collection services. If this is not possible, contact the nearest Grundfos or Grundfos Alldos company or service workshop. - Page 16 Fig. 1 DMB nameplate Fig.2 DMB with manual dearation Fig. 3 Frilling scheme Fig. 4 Installation example of pump with manual deaeration...
- Page 17 Fig. 5 Installition to avoid the siphon effect Fig. 9 Standard DN4/DN8 valve Fig. 6 Installation with relief valve and filter Fig. 10 Standard DN4/DN8 valve Fig. 7 Connecting the deaeration line to pumps Fig. 11 Replace diaphragm With manual deaeration Fig.