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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
Summary of Contents for ACQ580-34
Page 1: ... ABB DRIVES FOR WATER ACQ580 34 drive modules Hardware manual ...
Page 2: ......
Page 4: ......
Page 14: ...14 ...
Page 24: ...24 ...
Page 50: ...50 ...
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Page 70: ...70 ...
Page 94: ...94 ...
Page 110: ...110 ...
Page 122: ...122 ...
Page 132: ...Dimension drawing 132 External control unit option P906 ...
Page 140: ...140 ...
Page 144: ...144 ...
Page 164: ...164 ...
Page 184: ...Standard configuration E208 and E210 included 184 Dimension drawings ...
Page 185: ...Drive module with option B051 Dimension drawings 185 ...
Page 186: ...Drive module with options B051 H370 186 Dimension drawings ...
Page 187: ...LCL filter module Dimension drawings 187 ...
Page 190: ...190 ...
Page 208: ... Declaration of conformity 208 The Safe torque off function ...
Page 214: ...214 ...
Page 226: ...226 ...