Manual

-2- B1091-GB-4613 www.nord.com
Contents
1. General information .............................................................................................................. 3
2. Description .............................................................................................................................. 4
2.1 Range of application ................................................................................................................. 4
3. Information on the designated use of electric motors ...................................................... 4
3.1 Transport, storage .................................................................................................................... 4
3.2 Installation ................................................................................................................................. 5
3.3 Balancing, output components ................................................................................................. 5
3.4 Alignment .................................................................................................................................. 5
3.5 Electrical connection ................................................................................................................. 5
3.6 Checking insulation resistance ................................................................................................. 6
3.7 Commissioning ......................................................................................................................... 6
4. Maintenance and servicing .................................................................................................... 7
5. Motors with ignition protection "increased safety Exe" .................................................... 8
6. Motors for use in Zone 21 and Zone 22 .............................................................................. 11
6.1 General ................................................................................................................................... 11
6.2 Safety information ................................................................................................................... 11
6.3 Commissioning information / Field of application / Extended ambient temperature range ............. 11
6.4 Structure and method of operation ......................................................................................... 12
6.5 Minimum cross section of bonding conductors ...................................................................... 12
6.6 Maintenance ........................................................................................................................... 13
7. Motors for use in Zone 21 and Zone 22 according to EN 60079-0 and IEC 60079 ........ 14
7.1 General ................................................................................................................................... 14
7.1.2 Impact test .............................................................................................................................. 14
7.2 Safety information ................................................................................................................... 14
7.3 Commissioning information / Field of application / Extended ambient temperature range ............. 15
7.3.1 Electrical Connection .............................................................................................................. 16
7.3.2 Cable and wiring glands ......................................................................................................... 16
7.3.3 Permissible ambient temperature range ................................................................................ 17
7.3.4 Painting ................................................................................................................................... 17
7.3.5 IEC-B14 Motors ...................................................................................................................... 17
7.4 Structure and method of operation ......................................................................................... 18
7.5 Minimum cross section of bonding conductors ...................................................................... 18
7.6 Maintenance ........................................................................................................................... 18
8.
Options for motors for use in Zone 22 ............................................................................... 19
8.1 Inverter operation option ......................................................................................................... 19
8.2 External fan option .................................................................................................................. 19
8.3 Return stop option .................................................................................................................. 19
8.4 Brake option............................................................................................................................ 20
9. Spare parts drawing and spare parts list ........................................................................... 21
10. Conformity declarations ...................................................................................................... 22
Safety and information symbols
Please always observe the following safety and information symbols!
Danger!
Risk of fatalities and
injury
Notice!
Machine may be damaged
Danger!
Important information
regarding explosion
protection
Note!