
Do you have a question about the Grundfos MS 402 and is the answer not in the manual?
Instructions for checking and refilling the motor's internal liquid.
Specific filling procedures for MS 402 and MS 4000 motors.
Specific filling procedures for MS 6000 motors.
Filling procedure for MMS6, MMS 8000, MMS 10000, MMS 12000 motors.
Table specifies maximum liquid temperatures based on motor and flow conditions.
Grundfos recommends installing motors above well screen for cooling.
Essential protection requirements: earthing and external mains switch.
Connecting motors to frequency converters and related precautions.
Specific motor protection requirements for single-phase and three-phase motors.
Protection for MS 402 and MS 4000 single-phase motors.
Protection strategies for MS and MMS three-phase motors.
Guidelines for setting motor-protective circuit breakers for optimal protection.
Connecting three-phase MS motors to frequency converters.
Troubleshooting guide for common motor faults like not running.
Procedures for checking supply voltage, current consumption, and winding resistance.