Delta IED-S Series User Manual page 34

Chapter 3 Wiring | IED-S
Notes on Emergency Power Supply (EPS):
1. When EPS is enabled, do NOT make the fan run in order to prevent voltage drop during EPS.
2. When EPS is enabled, parameter settings cannot be saved and will be lost after cycling power.
3. When EPS is enabled, set the running speed through Pr.13-49.
4. When EPS is enabled, functions of low voltage and phase loss protection are unavailable.
5. When EPS is enabled, set the DC bus voltage through Pr.13-48.
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