ABB IRC5 Product Manual page 219

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Refitting
The following procedure details how to refit the transformer unit.
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Product manual - IRC5 Panel Mounted Controller
3HAC047137-001 Revision: AB
Action
Disconnect the two grounding wires (gnye,
blue).
Disconnect the mains power supply wires.
Remove the two transformer attachment
screws.
Lift the transformer unit out with lifting slings
and a hoist.
Action
DANGER
Before doing any work inside the cabinet, disconnect the mains power. For more in-
formation, see Electrical safety on page
WARNING
The transformer weighs between 15 and 40 kg, use a hoist and lifting slings.
Fit the new transformer in place with a hoist and lifting slings.
Refit the attachment screws.
Reconnect the mains power supply wires and grounding wires.
Perform the function tests in section
features work properly.
© Copyright 2007-2024 ABB. All rights reserved.
4.19 Replacement of transformer unit
Note/illustration
Note
Make a note of the terminal to which
each of the wires are connected. This
will facilitate reconnection to the same
terminal.
xx0600003260
• A: attachment screw (2pcs)
35.
Function tests on page 148
4 Repair
Continued
to verify that the safety
219