Dell Z9100 EMC PowerSwitch –ON Installation Guide March 2021 - Page 32
Fans, Components, Check the fans at six-month intervals
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7 Fans The Z9100-ON comes from the factory with two PSUs and five fan modules installed in the switch. The fan modules and PSUs, which have integrated fans, are hot-swappable. In addition to the power supply modules, you can order and install fan modules separately. The Z9100-ON requires a minimum of four running fans. The Z9100-ON supports two airflow direction options. Do not mix airflow types in a switch; you can use only a single airflow direction in a switch. All fans and PSUs in a configuration must be in the same airflow direction. ● Normal-airflow is from the I/O side to the PSU side. ● Reversed-airflow is from the PSU to the I/O side. Environmental factors can decrease the amount of time needed between fan replacements. Check the environmental factors regularly. An increase in temperature and particulate matter in the air might affect performance; for example, new equipment installation. CAUTION: Check the fans at six-month intervals, and replace them as necessary. Regularly monitor the speeds of the fans to accurately determine replacement intervals. Topics: • Components • Fan module installation • Fan module replacement • Fan air filter replacement Components The following are the Z9100-ON fan components: ● Z9100-ON Fan module ● Z9100-ON Fan module-Reverse flow Figure 20. Z9100-ON fan modules 1. Fan modules 32 Fans