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1. Residual current device has been installed in the supply system.
2. These wires have been disconnected. Otherwise ground-to-phase varistor capacitor
leakage current will cause the residual current device to trip.
Ground-to-phase varistor wire
TT system
VAR
Drive
N
L3
L2
L1
Note:
• Because the varistor wire has been disconnected, ABB does not guarantee the EMC
category.
• ABB does not guarantee the functioning of the ground leakage detector built inside the
drive.
• In large systems the residual current device can trip without a real reason.
Source document on TT system: 3AXD10000681917
■
Disconnecting instructions
EMC AC and varistor (VAR) grounding wires are located at the top of the circuit board
compartment. Disconnect them (1) and attach them with the nearby plastic clamp (2).
1
2
Connecting the power cables
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or death,
or damage to the equipment can occur.
Electrical installation 99
11
Содержание ACQ580-34
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Страница 132: ...Dimension drawing 132 External control unit option P906 ...
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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 ...
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Страница 208: ... Declaration of conformity 208 The Safe torque off function ...
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