4 Repair
4.6 Replacement of heat exchange unit and fan
Continued
4
5
6
Removal of heat exchange unit
The procedure below details how to remove the heat exchange unit.
1
2
3
Continues on next page
222
Action
Refit the top cover.
Refit the attachment screws.
Perform the function tests in section
tests on page 196
to verify that the safety fea-
tures work properly.
Action
DANGER
Before commencing any work inside the cabin-
et, please observe the safety information in
section
Make sure that the main power has
been switched off on page
Follow step 2 through 5 in
exchanger fan on page
221.
Have one person holding the heat exchange
unit while another person unscrews the attach-
ment screws from inside the controller cabinet.
© Copyright 2004-2018 ABB. All rights reserved.
Note/illustration
xx0500001952
•
•
•
•
Shown in the figure above.
Function
Note/illustration
26.
Removal of heat
xx1000000973
•
A: fan
B: heat exchanger
C: top cover
B: attachment screws (4 pcs)
A: attachment screw for heat
exchange unit
Product manual - IRC5
3HAC047136-001 Revision: M