60
Operating Instructions – Explosion-Proof AC Motors DR63/eDR63, DVE250/280
Index
Installation, conditions............................................16
Insulation resistance ..............................................17
Isolation transformer ..............................................17
L
Low-voltage equipment..........................................23
M
Maintenance ..........................................................47
Malfunctions
Frequency inverter .............................................54
Motor..................................................................53
Mechanical attachments ........................................14
Mechanical Installation...........................................16
Monitoring ..............................................................33
Motor
Category 2GD and 3GD.....................................31
Drying.................................................................17
Extended storage...............................................17
Installation..........................................................18
Motor connection
Motor protection .........................................32, 33, 41
Motor protection switch ......................................33
Motor protection device..........................................24
Motor protection switch ..........................................34
Category 2G, 2D and 2GD.................................33
Motor Structure ......................................................11
Motors for hazardous locations ..............................15
Motor/inverter assignment......................................39
N
Nameplate..............................................................13
Notes
Designation in the documentation........................5
O
Oil seals .................................................................47
Operating modes and limit values..........................36
Operation with frequency inverter ..........................36
Other applicable documentation ..............................9
Overhung loads......................................................51
P
Painting ............................................................22, 48
Parameter setting
Frequency inverters for category 3 ....................43
PE connection........................................................28
Protection device ...................................................34
PTC thermistor
Categories 2GD and 3GD..................................33
Pulse voltage .........................................................36
R
Regeneration .........................................................37
Removing a forced cooling fan ..............................50
Repairs ..................................................................47
Replace adapter plate............................................49
Restart ...................................................................47
S
Safe operation
Motors in category 3 ..........................................39
Safety Notes
Structure of the embedded ..................................6
Structure of the section-related............................5
Safety notes.............................................................7
Designated use....................................................8
Designation in the documentation .......................5
Electrical connection..........................................10
General information .............................................7
Installation............................................................9
Operation ...........................................................10
Transport .............................................................9
Section-related safety notes ....................................5
Signal words in the safety notes ..............................5
Soft start ................................................................41
Spare parts ............................................................48
Special aspects in switching operation ..................25
Special design .......................................................16
Startup ...................................................................42
Storage, extended .................................................17
Strip heater ............................................................35
Structure ................................................................11
Supply of cooling air ..............................................19
Surface temperature
Category 2GD and 3GD ....................................32
Switching contacts ...........................................23, 42
Switching operation ...............................................25
T
Tapped holes .........................................................23
Temperature ..........................................................26