WEG WGM20 Series, Installation, Operation & Manintenance Manual

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14108242 Installation, operation and maintenance manual – Squirrel cage motor – WGM20 Line l 7
TABLE OF CONTENTS
1 INTRODUCTION ............................................................................................... 11
1.1 SAFETY WARNINGS IN THE MANUAL ........................................................................................... 11
2 GENERAL INSTRUCTIONS ............................................................................... 12
2.1 QUALIFIED PERSONNEL ................................................................................................................ 12
2.2 SAFETY INSTRUCTIONS ................................................................................................................ 12
2.3 STANDARDS ................................................................................................................................... 12
2.4 ENVIRONMENTAL CONDITIONS .................................................................................................... 13
2.5 OPERATING CONDITIONS ............................................................................................................. 13
2.6 VOLTAGE AND FREQUENCY ......................................................................................................... 13
3 RECEIVING, HANDLING AND STORAGE ........................................................... 14
3.1 RECEIVING ..................................................................................................................................... 14
3.2 HANDLING ...................................................................................................................................... 14
3.2.1 Horizontal motor handling ................................................................................................................... 14
3.2.2 Vertical motor handling ....................................................................................................................... 15
3.2.3 Vertical motor positioning .................................................................................................................... 15
3.3 STORAGE ....................................................................................................................................... 15
3.3.1 Outdoor storage ................................................................................................................................. 15
3.3.2 Long term storage .............................................................................................................................. 15
3.3.2.1 Storage location .................................................................................................................. 16
3.3.2.1.1 Indoor storage ................................................................................................ 16
3.3.2.1.2 Outdoor storage ............................................................................................. 16
3.3.2.2 Separate parts .................................................................................................................... 16
3.3.3 Preservation during the storage ........................................................................................................... 16
3.3.3.1 Cooling system ................................................................................................................... 16
3.3.3.2 Space heater ....................................................................................................................... 16
3.3.3.3 Insulation resistance ............................................................................................................ 17
3.3.3.4 Exposed machined surfaces ................................................................................................ 17
3.3.3.5 Sealing ................................................................................................................................ 17
3.3.3.6 Bearings .............................................................................................................................. 17
3.3.3.7 Terminal boxes .................................................................................................................... 17
3.3.3.8 Cleanliness and conservation of the motor during storage ................................................... 17
3.3.3.9 Inspections and records during storage ............................................................................... 17
3.3.3.10 Predictive/preventive maintenance....................................................................................... 17
3.3.3.11 Maintenance plan during storage ......................................................................................... 18
3.3.4 Preparation for commissioning ............................................................................................................ 18
3.3.4.1 Cleaning .............................................................................................................................. 18
3.3.4.2 Bearing lubrication ............................................................................................................... 18
3.3.4.3 Insulation resistance verification ........................................................................................... 18
3.3.4.4 Cooling system ................................................................................................................... 18
3.3.4.5 Others ................................................................................................................................. 18
4 INSTALLATION ................................................................................................. 19
4.1 INSTALLATION SITE ....................................................................................................................... 19
4.2 SHAFT LOCK .................................................................................................................................. 19
4.3 ROTATION DIRECTION ................................................................................................................... 19
4.4 INSULATION RESISTANCE ............................................................................................................. 19
4.4.1 Safety Instructions .............................................................................................................................. 19
4.4.2 General considerations ....................................................................................................................... 19
4.4.3 Measurement on the stator windings................................................................................................... 19
4.4.4 Additional Information ......................................................................................................................... 20
4.4.5 Polarization Index ................................................................................................................................ 20
4.4.6 Conversion of the measured values ..................................................................................................... 20
4.4.7 Insulation assessment ......................................................................................................................... 20
4.5 PROTECTIONS ............................................................................................................................... 21
4.5.1 Thermal protections ............................................................................................................................ 21
4.5.2 Temperature limits for the windings ..................................................................................................... 21
4.5.3 Alarm and trip temperatures ................................................................................................................ 21
4.5.4 Installation of temperature sensors ...................................................................................................... 22
4.5.5 Temperature and ohmic resistance of the PT100 thermoresistance ..................................................... 23
4.5.6 Space heater ...................................................................................................................................... 23
4.5.7 Water leak sensor ............................................................................................................................... 23