Vertiv | eSure™ Rectifier Module User Manual (UM1R483500e3) | Rev. H
Rectifier Fan Replacement
Each rectifier uses a fan (P/N 32010544) for cooling. If fan replacement should become necessary, perform the
following procedure.
CAUTION! In a system with NO redundant rectifier, battery must have sufficient reserve to power the
load(s) while the rectifier is removed for fan replacement.
NOTE!
When performing any step in this procedure that requires removal of existing hardware, retain all
hardware for use in subsequent steps.
Procedure
NOTE!
Refer to
Figure 7
as this procedure is performed.
1. Performing this procedure may activate external alarms. Do one of the following. If possible, disable
these alarms. If these alarms cannot be easily disabled, notify the appropriate personnel to disregard
any alarms associated with this system while this procedure is performed.
2. Remove the rectifier from the shelf. Refer to a previous procedure for step-by-step instructions.
3. Place the rectifier on a static-safe work surface. Connect an approved grounding strap to your wrist for
the remainder of this procedure.
4. On this rectifier; remove the front panel by removing the three (3) screws securing the front panel to the
chassis.
5. For proper orientation of the new fan, observe the location of the fan wires and the fan rotation and air
flow arrows on the old fan.
6. Carefully remove the fan from the rectifier chassis and unplug the fan power cable from the printed
circuit card.
7. Plug the power cable of the replacement fan into the connector on the printed circuit card. Carefully
slide the replacement fan into the rectifier chassis (ensure the fan wires and fan rotation and air flow
arrows match the orientation of the old fan).
8. Note that the fan has four holes in the front corners and that the faceplate has three tabs. Carefully
slide the faceplate into position, aligning the fan holes with the faceplate tabs. Secure the faceplate to
the rectifier chassis with the three (3) screws previously removed.
9. Replace the rectifier into the shelf. Refer to the previous procedure for step-by-step instructions.
10. When the fan starts, check to ensure that it is providing front-to-back airflow. If air direction is wrong,
immediately remove the rectifier from the shelf. Repeat previous steps to check fan orientation, and
correct as necessary. Reinstall the rectifier and again check for proper airflow.
11. Enable the external alarms, or notify appropriate personnel that this procedure is finished.
12. Ensure that there are no local or remote alarms active on the system.
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