
10 PREVENTIVE AND CORRECTIVE MAINTENANCE
3BHS799208 E01 REV E
ACS5000 WATER-COOLED
USER MANUAL
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10.6.12 Replacing a fan of an IP54 roof-mounted cooling unit
The roof-mounted cooling unit as used with IP54 cabinets consists of an
air-to-water heat exchanger and four fans. One fan is redundant and takes
over when one of the other fans fails.
If one fan fails, the red indicator lights up and replacement is required.
10.6.12.1 Replacing a fan
For replacement instructions, see the instruction manual in
“Appendix A – Additional manuals”.
Figure 10-10 Roof-mounted cooling unit (IP54)
• Dimensions: (L x W x H): 1550 x 975 x 386 mm
• Weight: 98 kg
▲
WARNING
⚠
Hazardous voltage!
• Before starting any work on the fans, de-energize the cooling unit.
(1) Control access panel
(2) Air-bleed access plate
(3) Indicator lights
(4) Location of fans (below cover)
(5) Lifting eye (one in each corner)
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2
3
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