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3.4.2 ECO Mode
Figure 3-5: ECO mode display.
EX 5/7/11RT Systems
Operation3 — 8 86-86000-00 B00
The main advantage of the ECO mode is that it
reduces the consumption of electrical power by not
running in the online mode. When this mode is
selected, the system works as an offline UPS
system, powered by Bypass source if Bypass source
is inside user’s defined range. Outside this range,
the UPS system will switch to online mode with 10ms
interrupt.
Three possible cases:
1. If Normal AC source (Mains 1) and Bypass AC
Source (Mains 2) are available:
and LED are ON.
The load is supplied with AC power but not protected
in ECO mode.
2. If Normal AC source (Mains 1) is available, but
Bypass AC source (Mains 2) is not available:
LED is ON.
The audio alarm sounds intermittently.
The load is automatically supplied in Normal
mode via the Normal AC input.
3. Both Normal and Bypass AC sources not
available or out of tolerance:
LED is ON.
LED is ON.
The audio alarm sounds intermittently.
The load is powered by the battery power from
the UPS.
The LCD display indicates the battery remaining
backup time.
16
15
15
1715
OFF
ON
15 17
OFF
ON
15 16
OFF
ON
15