3
Press the ON/OFF button for 5~8 seconds to turn the unit on.
The UPS should charge the battery for at least 6 hours to ensure sufficient runtime.
Press ON/OFF button in 5~8 seconds. The alarm sounds to confirms that the UPS is on and provide
power to outlets.
3. Cold start the UPS
Use cold start feature to supply power to connected equipment from the UPS batteries when there is no
utility power. To turn on the UPS see step 2 above.
4. Connect and install management software
UPS is provided with management software for unattended system shutdown, UPS monitoring, and UPS
configuration.
7. Audible Indicators and Status Icons
If the UPS…
Possible cause...
In Battery Mode: Alarm sounds every 2 seconds.
(alarm for 0.5 second and stops for 1.5 seconds)
UPS is running on battery. You should consider saving any work in
progress.
a. Low Battery: alarm sounds every 0.2 seconds
b. Low Battery power off: Continuous alarm
Low battery condition and battery run-time is very low. Promptly save
any work in progress, exit all open applications, and shut down the
operating system.
Continuous tone with
flashing.
UPS is overloaded.
Continuous tone with
illuminated.
a. Press ON/OFF button one time to mute the alarm.
b. Continuous tone will persist until battery LOW.
(<11Vdc each battery)
: Inverter short
: Inverter over voltage
: Transformer over temperature
: DC power output short circuit
Battery Replacement Alarm: alarms every 4 seconds (alarms
for 1 second and stops for 3 seconds)
The battery is near the end of useful life or damaged and should be
replaced.
8. Specifications
Model
NPTU250-GL-N
NPTU400-GL-N
Input
Voltage range
120V
AC
Voltage range
96-144Vac (
±
5Vac)
Connection
NEMA5-15P
Frequency
60 Hz
Output
UPS Capacity (total)
250VA / 200W
400VA / 320W
Rated Voltage
120V
AC
Transfer time
Typical 2 - 6 ms
Waveform
Pure sine wave
DC
Power
Output Voltage
24V
DC
Output Current
3A (max)
Physical
Dimension
(D x W x H)
12 x 5.9 x 10.5 inch
304.8 x 149.9 x 266.7 mm
Net Weight
38.6 lb
17.5 kg
Packaging
Dimension
(D x W x H)
16.1 x 9.8 x 15.5 inch
408.9 x 248.92 x 393.7 mm
Gross Weight
41.9 lb
19 kg
Environm
ent
Operating
temperature
32 - 104 °F (0 - 40 °C)
Humidity
Operating Humidity: 5% to 90%
Noise level
<40dB, convection cooling
Содержание NPTU250-GL-N
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