![ABB ACQ580-34 Скачать руководство пользователя страница 98](http://html.mh-extra.com/html/abb/acq580-34/acq580-34_hardware-manual_2546098.webp)
■
When to disconnect EMC filter and ground-to-phase varistor: TN-S,
IT, corner-grounded delta, and midpoint-grounded delta systems
Symmetrically grounded TN systems (TN-S systems)
Do not disconnect EMC AC and VAR wires.
PE
L2
L3
L1
N
Corner-grounded delta systems
Do not install the drive on a corner-grounded system.
PE
L3
L2
L1
Midpoint-grounded delta systems
Do not install the drive on a midpoint grounded system.
PE
L3
L2
L1
IT systems (ungrounded or high-resistance grounded [>30 ohms])
Disconnect EMC AC and VAR wires.
L3
L2
L1
■
Guidelines for installing the drive to a TT system
The drive can be connected to a TT system under these conditions:
98 Electrical installation
Содержание ACQ580-34
Страница 1: ... ABB DRIVES FOR WATER ACQ580 34 drive modules Hardware manual ...
Страница 2: ......
Страница 4: ......
Страница 14: ...14 ...
Страница 24: ...24 ...
Страница 50: ...50 ...
Страница 60: ...60 ...
Страница 70: ...70 ...
Страница 94: ...94 ...
Страница 110: ...110 ...
Страница 122: ...122 ...
Страница 132: ...Dimension drawing 132 External control unit option P906 ...
Страница 140: ...140 ...
Страница 144: ...144 ...
Страница 164: ...164 ...
Страница 184: ...Standard configuration E208 and E210 included 184 Dimension drawings ...
Страница 185: ...Drive module with option B051 Dimension drawings 185 ...
Страница 186: ...Drive module with options B051 H370 186 Dimension drawings ...
Страница 187: ...LCL filter module Dimension drawings 187 ...
Страница 190: ...190 ...
Страница 208: ... Declaration of conformity 208 The Safe torque off function ...
Страница 214: ...214 ...
Страница 226: ...226 ...