Grundfos MS Series User Manual

Appendix
28
TM00 1347 5092
Example:
U = 3 × 415 V
I= 100 A
L = 150 m
U= 3 %
Lx
L
U
--------
150
3 %
---------- 50 m q 50 mm
2
== = =
I = 100 A
U = 3 %
U = 3 × 415 V
L = 150 m

Grundfos MS Series Specifications

General

Type	Submersible motor
Degree of protection	IP68
Insulation class	F
Power range	0.37 kW to 7.5 kW
Frequency	50 Hz, 60 Hz
Material	Stainless steel

Summary

General Information

Hazard Statements

Explains safety symbols and statements used in instructions.

Installation Requirements

Motor Liquid Level Check

Procedure for verifying and refilling motor liquid.

Filling MS402 and MS4000 Motors

Specific procedure for filling motor liquid for these models.

Filling MS6000 and MS6000P Motors

Specific procedure for filling motor liquid for these models.

Filling MMS Series Motors

Liquid Temperature and Cooling Limits

Electrical Connection Guidelines

General Electrical Connection Safety

Motor Protection Systems

Single-Phase Motor Protection

Details protection requirements for single-phase motors.

Three-Phase Motor Protection

Covers protection for asynchronous and synchronous three-phase motors.

Setting Motor Protective Circuit Breakers

Submersible Cable Sizing

Single-Phase Motor Connections

2-Wire Motor Connection Procedure

PSC Motor Connection Details

3-Wire Motor Connection Details

Checking Motor Rotation Direction

Checking Pump Set Rotation

Three-Phase Motor Wiring

Direct-on-Line Starting Wiring

Star-Delta Starting Wiring

Frequency Converter Integration

CUE Frequency Converter Setup Guide

Motor Installation Safety Precautions

Mechanical Installation Tasks

Cable Fitting and Torques

Pump Set On-Site Assembly

Pump-to-Motor Fitting

Pump Lowering Procedure

Maintenance and Service Information

Fault Finding and Troubleshooting

MS6000P Fault Finding Safety

Motor and Cable Inspection

MS6000P Cable Inspection Safety

Supply Voltage Measurement

Current Consumption Measurement

Winding Resistance Measurement

Insulation Resistance Testing