ABB IRC5 Product Manual page 201

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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: J
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 commencing any work inside the cabinet, please observe the safety information
in section Make sure that the main power has been switched off 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 2007-2018 ABB. All rights reserved.
4.18 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)
Function tests on page 135
4 Repair
Continued
25.
to verify that the safety
201