WEG W22 Premium E3 Manual De Instalación, Operación Y Mantenimiento página 67

6.12. CONNECTION OF THE SPACE HEATERS ..................................................................................... 103
6.13. STARTING METHODS ..................................................................................................................... 103
6.14. MOTORS DRIVEN BY FREQUENCY INVERTER ........................................................................... 104
6.14.1. Use of dV/dt filter .................................................................................................................... 105
6.14.1.1. Motor with enameled round wire ....................................................................................... 105
6.14.1.2. Motor with prewound coils ................................................................................................ 105
6.14.2. Bearing insulation .................................................................................................................. 105
6.14.3. Switching Frequency ............................................................................................................. 106
6.14.4. Mechanical speed limitation ................................................................................................ 106
7. COMMISSIONING
7.1. INITIAL START-UP ............................................................................................................................ 107
7.2. OPERATING CONDITIONS .............................................................................................................. 109
7.2.1.Limits of vibration .................................................................................................................... 110
8. MAINTENANCE
8.1. GENERAL INSPECTION .....................................................................................................................111
8.2. LUBRICATION ....................................................................................................................................111
8.2.1. Grease lubricated rolling bearings ........................................................................................ 112
8.2.1.1. Motor without grease fitting ................................................................................................ 114
8.2.1.2. Motor with grease fitting ..................................................................................................... 114
8.2.1.3. Compatibility of the Mobil Polyrex EM grease with other greases ................................ 114
8.2.2. Oil lubricated bearings ........................................................................................................... 115
8.2.3. Oil mist lubricated bearings ................................................................................................... 115
8.2.4. Sleeve bearings ....................................................................................................................... 115
8.3. MOTOR ASSEMBLY AND DISASSEMBLY ...................................................................................... 116
8.3.1. Terminal box ............................................................................................................................. 117
8.4. DRYING THE STATOR WINDING INSULATION .............................................................................. 118
8.5. SPARE PARTS ................................................................................................................................... 118
9. ENVIRONMENTAL INFORMATION
9.1. PACKAGING ....................................................................................................................................... 119
9.2. PRODUCT .......................................................................................................................................... 119
10. TROUBLESHOOTING CHART X SOLUTIONS
11. WARRANTY TERM
12. EC DECLARATION OF CONFORMITY
13. CERTIFICATES
www.weg.net
107
111
119
120
121
122
123
Manual of Electric Motors 67