Njoy Balder Series User Manual page 14

5.6 Operating mode description
Operating mode Description
When the input voltage is
within acceptable range,
UPS will provide pure
Online mode and stable AC power to
output. The UPS will also
charge the battery in
online mode.
Energy saving mode:
When the input voltage is
within voltage regulation
range, UPS will bypass
ECO mode
voltage to output for
energy saving. The UPS
will also charge the
battery at ECO mode.
When input frequency is
within 40 Hz to 70 Hz,
the UPS can be set at a
constant output frequency,
50 Hz or 60 Hz. The UPS
Frequency
will still charge battery
Converter mode
under this mode. The
capacity of the UPS should
be derated to 80% when
Frequency Converter
mode is enabled.
When the input voltage
is beyond the acceptable
range or power failure, the
Battery mode
UPS will backup power
from battery and alarm is
sounding every 5 seconds.
When input voltage is
within acceptable range
but UPS is overload, UPS
will enter bypass mode
Bypass mode
or bypass mode can be
set by front panel. Alarm
is sounding every 10
seconds.
26
LCD display
23 0 Vac 23 0 Vac
INPUT OUTPUT
P1
Vac Vac
23 0 23 0
INPUT OUTPUT
P1
23 0 Vac 23 0 Vac
INPUT OUTPUT
P1
Vac
7 2 0 23 0
Vdc
INPUT OUTPUT
P1
23 0 Vac 23 0 Vac
INPUT OUTPUT
P1
UPS is powered off and
there is no output supply
Standby mode
power, but the UPS still
can charge batteries.
When a fault has
occurred, the ERROR icon
Fault mode
and the fault code will be
displayed.
5.7 Faults Reference Code
Fault event Fault code
Bus start fail
Bus over
Bus under
Inverter soft start fail
Inverter voltage high
Inverter voltage Low
Inverter output short
Battery voltage too high
Battery voltage too low
Charger output short
Over temperature
Overload
Charger failure
Over input current
Vac Vac
23 0 0
INPUT OUTPUT
Vac Vac
0
INPUT OUTPUT
Icon
01 -
02 -
03 -
11 -
12 -
13 -
14
27
28
2A -
41 -
43
45 -
49 -
27