Danfoss VLT HVAC Drive FC 102 Design Manual page 247

Index
Cooling
Dust warning................................................................................... 159
Enclosure airflow rates................................................................. 161
Overview of back-channel cooling......................................... 161
Requirements.................................................................................. 161
Tower fan............................................................................................. 33
Cos φ compensation........................................................................... 29
CSA/cUL approval................................................................................... 9
Current
Distortion......................................................................................... 197
Formula for current limit............................................................. 224
Fundamental current................................................................... 197
Harmonic current.......................................................................... 197
Internal current control............................................................... 207
Leakage current............................................................................. 188
Mitigating motor........................................................................... 186
Rated output current................................................................... 224
Transient ground........................................................................... 189
D
Dampers................................................................................................... 32
DC brake......................................................................................... 39, 237
DC bus
Description of operation............................................................. 200
Terminals.......................................................................................... 169
Delta.......................................................................................................... 29
Derating
Automatic feature............................................................................ 21
External ducting............................................................................. 162
High Switching Frequency........................................................... 22
Overview.......................................................................................... 162
Specifications........................................................................... 60, 161
Tables................................................................................................. 164
DeviceNet...................................................................................... 42, 222
Digital
Input specifications......................................................................... 61
Input/output descriptions and default settings................ 174
Output specifications..................................................................... 62
Dimensions
E1 enclosure....................................................................................... 67
E2 enclosure....................................................................................... 75
F1 enclosure....................................................................................... 83
F10 enclosure.................................................................................. 130
F11 enclosure.................................................................................. 136
F12 enclosure.................................................................................. 144
F13 enclosure.................................................................................. 150
F2 enclosure....................................................................................... 90
F3 enclosure....................................................................................... 97
F4 enclosure.................................................................................... 109
F8 enclosure.................................................................................... 120
F9 enclosure.................................................................................... 124
Table.............................................................................................. 13, 14
Discharge time......................................................................................... 6
Door clearance...................................................................................... 67
MG16C302
Design Guide
Drive
Clearance requirements.............................................................. 161
Configurator.................................................................................... 216
Ordering............................................................................................ 216
Overview...................................................................................... 13, 14
Power ratings.............................................................................. 13, 14
DU/dt...................................................................................................... 190
Duct cooling........................................................................................ 161
Duty cycle
Calculation....................................................................................... 186
Definition.......................................................................................... 225
E
E1 enclosure
Exterior dimensions........................................................................ 67
Gland plate......................................................................................... 68
Terminal dimensions....................................................................... 69
E2 enclosure
Exterior dimensions........................................................................ 75
Gland plate......................................................................................... 76
Terminal dimensions....................................................................... 76
EAC mark.................................................................................................... 9
Efficiency
Calculation....................................................................................... 189
Formula for drive efficiency....................................................... 224
Specifications............................................................................. 48, 54
Using AMA.......................................................................................... 22
Electrical installation......................................................................... 175
Electromagnetic interference.......................................................... 22
Electronic thermal overload............................................................. 23
Electronic thermal relay (ETR)........................................................ 165
EMC
Compatibility.................................................................................. 194
Directive................................................................................................. 8
General aspects.............................................................................. 191
Installation....................................................................................... 196
Interference..................................................................................... 195
RS485 installation precautions................................................. 227
Test results........................................................................................ 192
Emission requirements.................................................................... 193
Enclosure protection........................................................................... 10
Encoder
Definition.......................................................................................... 225
Energy
Efficiency class................................................................................... 60
Savings................................................................................... 26, 27, 28
Environment................................................................................. 60, 159
ErP directive.............................................................................................. 8
EtherNet/IP.............................................................................................. 43
Explosive atmosphere...................................................................... 159
Export control regulations................................................................... 9
Extended relay card............................................................................. 44
Exterior dimensions (illustrations).................................................. 67
External alarm reset wiring configuration................................ 210
Danfoss A/S © 11/2017 All rights reserved. 245