ACQ550-U1 User’s Manual 19
Installation
Wiring overview
Conduit/Gland kit
Wiring drives with the IP21 / UL type 1 enclosure requires a conduit/gland kit with the
following items:
• conduit/gland box
• screws
• cover.
The kit is included with IP21 / UL type 1 enclosures.
Wiring requirements
WARNING! Ensure the motor is compatible for use with the ACQ550. The drive
must be installed by a competent person in accordance with the considerations
defined in section Preparing for installation on page 12. If in doubt, contact your local
ABB sales or service office.
As you install the wiring, observe the following:
• There are four sets of wiring instructions – one set for each combination of drive
enclosure type (IP21 / UL type and IP54 / UL type 12) and wiring type (conduit or
cable). Be sure to select the appropriate procedure.
• Determine electro-magnetic compliance (EMC) requirements per local codes.
See section Motor cable requirements for CE & C-Tick compliance on page 283.
In general:
– Follow local codes for cable size.
– Keep these four classes of wiring separated: input power wiring, motor wiring,
control/communications wiring and braking unit wiring.
• When installing input power and motor wiring, refer to the following, as
appropriate:
• To locate input power and motor connection terminals, see section Power
connection diagrams on page 21. For specifications on power terminals, see
section Drive’s power connection terminals on page 276.
• For corner grounded TN systems, see section Corner grounded TN systems on
page 275.
• For IT systems, see section IT systems on page 276.
• For frame size R6, see section Power terminal considerations – R6 frame size on
page 277 to install the appropriate cable lugs.
Terminal Description Specifications and notes
U1, V1, W1
1
3-phase power supply input Input power connections on page 271
PE Protective Ground Ground connections on page 275
U2, V2, W2 Power output to motor Motor connections on page 279
1
The ACQ550 -x1-xxxx-2 (208…240 V series) can be used with a single phase supply, if output
current is derated by 50%. For single phase supply voltage, connect power at U1 and W1.
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