Inovance MD880-01S-0751-4 - Number of Cooling Fans; Replacing Cooling Fans

5 Maintenance and Repair
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Ambient temperature: 40℃
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Load rate: 80%
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Operating rate: 24 hours per day
5.4.2 Number of Cooling Fans
AC Drive Model Cooling Fan
Three-phase 380 V to 480 V, 50/60 Hz
MD880-01S-0048-4-B 1
MD880-01S-0060-4-B 1
MD880-01S-0078-4-B 1
MD880-01S-0094-4-B 1
MD880-01S-0116-4-B 1
MD880-01S-0149-4-B 1
MD880-01S-0183-4-B 2
MD880-01S-0217-4 2
MD880-01S-0262-4 2
MD880-01S-0314-4 2
MD880-01S-0383-4 2
MD880-01S-0441-4-(L) 2
MD880-01S-0481-4-(L) 2
MD880-01S-0538-4-(L) 3
MD880-01S-0605-4-(L) 3
MD880-01S-0673-4-(L) 3
MD880-01S-0751-4-(L) 3
MD880-01S-0849-4-(L) 3
5.4.3 Replacing Cooling Fans
Item Description
Possible
damage cause
Bearing worn, blade aging
Judging
criteria
Whether crack occurs on the blade; whether abnormal vibration noise
exists upon startup; whether the blade runs abnormally
Fan
replacement
Remove the insulation barrier, press the snap-󶍾t joint on the protective
cover, and then pull the cover out.
After replacing the fan, check that the air 󶍿ow direction is upright.