Fan system replacement recommendations – Rockwell Automation 20Y PowerFlex 700H, 700S, and 700AFE Drive Fan Systems, Frames 9...14 User Manual
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Rockwell Automation Publication PFLEX-IN029B-EN-P - August 2014
Preface
Fan System Replacement Recommendations
This table provides recommendations for replacing a failed fan system on
PowerFlex 700H and 700S frame 9 and larger drives and PowerFlex 700AFE
systems. See
on page
for more information.
Figure 1 - DC Fan System Replacement Examples
Frame Size
Number of Fan Systems
in the Drive
Recommendation for Replacement
9
1
Always replace the failed AC fan system with a new DC fan system.
10
2
If one AC fan system fails, replace both existing AC fan systems with
new DC fan systems.
11
3
If one AC fan system fails, replace all three existing AC fan systems
with new DC fan systems.
12
4
If one AC fan system fails, replace the existing two AC fan systems
contained in the power structure that contains the failed AC fan
system with new DC fan systems.
13
5 or 6
If one AC fan system fails, replace all existing AC fan systems with new
DC fan systems.
14
9…12
If one AC fan system fails, replace all existing AC fan systems
contained in the power structure that contains the failed AC fan
system with new DC fan systems.
10 AFE
1 (LCL)
Replace the existing DC fan systems, as necessary.
2 (Drive)
Always replace the failed AC fan system with a new DC fan system.
13 AFE
1 (LCL)
Replace the existing DC fan systems, as necessary.
3 (Drive)
If one AC fan system fails, replace all three existing AC fan systems
with new DC fan systems.
FAN = Main Fan
INV = Fan Inverter (AC)
FPS = Fan Power Supply (DC)
= Defective AC Fan Component
= Replacement DC Fan Kit Components
= No Change