
Do you have a question about the Grundfos MG 71B2 and is the answer not in the manual?
Describes symbols and statements indicating hazards to personnel or equipment.
Emphasizes the importance of observing safety instructions for correct installation and operation.
Lists the Grundfos MG motors covered by these installation and operating instructions.
Details safety precautions and methods for lifting the motor using its eyebolts.
Discusses the impact of ambient temperature and installation altitude on motor performance and life.
Explains conditions for connecting three-phase MG motors to frequency converters.
Details phase insulation requirements for frequency converter operation on specific motor models.
Recommends installing motor and pump on a heavy, rigid foundation for support and vibration absorption.
Stresses the importance of correct alignment to avoid bearing issues and shaft fractures.
Covers operating voltage, frequency, and voltage quality requirements for MG motors.
Details built-in thermal protection and required external protection for motors.
General guidelines for electrical connection by authorized persons according to local regulations.
Procedures and safety precautions for measuring insulation resistance before start-up.
Details bearing lubrication, replacement, and service intervals for motors without lubricating nipples.











