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
Categories 2G and 2GD ....................................28
Categories 3G and 3GD ....................................28
Tension spring terminal strip..............................28
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
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