Grundfos DMB Series User Manual

The DMB pump is to be used strictly in accordance with the instructions in this manual.

Contact information for service or workshop assistance.

Details on pressure, suction lift, sound level, enclosure class, energy, ambient conditions, and dosing medium.

Explains symbols used for safety warnings and notes in the manual.

Specifies the required qualifications and training for personnel operating the pump.

Details the dangerous consequences for personnel, environment, and pump if safety instructions are not observed.

General advice on safe working practices and observing regulations.

Precautions for users regarding hot/cold parts and hazardous substances.

Safety measures for maintenance and installation personnel, including stopping the pump.

Rules regarding modifications and the use of authorized spare parts.

Ensuring operational safety by using the pump according to general information.

Designing systems to maintain safety even if the dosing pump fails.

Information on pump delivery, packaging, and unpacking procedures.

Guidelines for returning the pump for service or storage, including cleaning requirements.

Details on pump identification, including type designation, model, and serial number.

Overview of pump components such as suction and discharge valves.

Comprehensive guide to installing the DMB dosing pump.

Guidelines for site selection and space requirements for operation and maintenance.

Instructions for securely mounting the pump horizontally, including examples.

Advice on suction lines, filters, preventing siphon effect, and using relief valves.

Specifications and guidelines for sizing and connecting tube and pipe lines.

Ensuring the pump is suitable for the electricity supply and making connections.

Detailed steps for initial pump start-up, including checks and deaeration.

Guidance on operating the pump, referencing other sections for details.

Steps for safely shutting down, uninstalling, cleaning, and storing the pump.

Overview of control panel elements including LEDs, buttons, and stroke-length adjustment.

Procedures for switching the pump on and off correctly.

Guidance on using control unit features like modes and flow settings.

General notes and recommendations for adjusting the stroke length.

Instructions for performing manual deaeration on specific pump models.

General safety precautions and notes for performing maintenance and repairs.

Recommended intervals for maintenance tasks, including cleaning valves and diaphragms.

Step-by-step instructions for unscrewing, dismantling, and cleaning valves.

Detailed procedure for replacing the pump diaphragm, including safety checks.

A chart listing common faults, their causes, and recommended remedies.

Guidelines for environmentally sound disposal of the product and its parts.