Delta EB3000 Series User Manual page 60

Frame A and B
 When the voltage of the main power supply is lower than 140 V
models), connect the control power to single-phase UPS or battery.
NOTE:
When EPS is enabled (MI=43):
 Do NOT make the fan run in order to prevent voltage drop during EPS.
 Parameter settings cannot be saved and will be lost after cycling power.
 Set the running speed through Pr.02-23.
 Functions of low voltage and phase loss protection are unavailable.
 Set the DC bus voltage through Pr.02-21.
DC
Figure 4-6
Figure 4-7
4-7
Chapter 4 WiringEB3000
(230V models) / 280 V (460V
DC