Delta NT Series User Manual

8
Chapter 3 Operation Modes
3.5 ECO Mode (only for Single Unit)
STATIC SWITCH
OUTPUT
BREAKER/
SWITCH
LOAD
MANUAL BYPASS
BREAKER/ SWITCH
RESERVE INPUT
BREAKER/ SWITCH
RECTIFIER INPUT
BREAKER/ SWITCH
RECTIFIER INVERTER
BATTERY BANK
RESERVE
MAINS
Power Flow
Power Flow
Power Flow
Power Flow
Figure 3-5: Status Block of ECO Mode (10-500kVA)
In ECO mode, it is the reserve AC power to supply power to the connected loads via
the reserve input breaker or switch, static switch and the output breaker or switch.
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to standby status. (1) If the reserve AC power is abnormal, the UPS will transfer to
run in normal mode. (2) If the main AC and reserve AC sources are both abnormal,
the UPS will run in battery mode. After the main AC source is recovered to normal
VWDEOHVWDWXVWKH836ZLOOUXQLQQRUPDOPRGH¿UVWDQGWKHQWUDQVIHUWRUXQLQ(&2
mode after 40 seconds.
NOTE:
ECO mode is only applicable to the UPS with capacity above 260kVA
(included). For the capacity below 200kVA (included), the function of ECO
mode is optional. Please note that ECO mode is not applicable to parallel
applications.

Delta NT Series Specifications

General

Brand	Delta
Model	NT Series
Category	UPS
Language	English