Xtreme Power Conversion Corporaon
TX91 3.8- 10kVA User’s Manual
Page 20
Uninterrupble Power Supply
3. The backup me may very from dierent environment temperature and load type.
4. The backup me depends on the quanty external baeries.
5. When seng backup me for 16.5 hours (default value from LCD panel), aer discharging 16.5 hours,
UPS will shut down automacally to protect the baery. This baery discharge protecon can be enabled
or disabled through LCD panel control. (Refer to 3.3 LCD Sengs secon)
Test the baeries
1. If you need to check the baery status when the UPS is running in AC mode/CVCF mode/ECO mode, you
could press the “Test” buon to let the UPS do baery self-test.
2. To keep the system reliable, the UPS will perform the baery self-test automacally periodically. The
default seng period is once per week.
3. Users also can set baery self-test through monitoring soware.
4. If the UPS is at baery self-test, the LCD display and buzzer indicaon will be the same as at Baery
mode except that the baery LED is ashing.
Turn o the UPS with ulity power supply in AC mode
1. Turn o the inverter of the UPS by pressing “OFF” buon for at least 0.5s, and then the buzzer will beep
once. The UPS will turn into Bypass mode.
NOTE 1: If the UPS has been set to enable the bypass output, it will bypass voltage from ulity power to output
terminal even though you have turned o the UPS (inverter).
NOTE 2: Aer turning o the UPS, please be aware that the UPS is working at Bypass mode and there is risk of
power loss for connected devices.
2. In Bypass mode, output voltage of the UPS is sll present. In order to cut o the output, switch o the
input breaker. A few seconds later, there is no display shown on the display panel and UPS is completely
o.
Turn o the UPS without ulity power supply in Baery mode
1. Turn o the UPS by pressing “OFF” buon for at least 0.5s, and then the buzzer will beep once.
2. Then UPS will cut o power to output and there is no display shown on the display panel.
Mute the buzzer
1. To mute the buzzer, please press the “Mute” buon for at least 0.5s. If you press it again aer the buzzer
is muted, the buzzer will beep again.
2. Some warning alarms can’t be muted unless the error is xed.
Operaon in warning status
1. When Fault LED ashes and the buzzer beeps once every second, it means that there are some prob-
lems for UPS operaon. Users can get the fault code from LCD panel. Please check the trouble shoong
table in secon 4 for details.
Operaon in Fault mode
1. When Fault LED illuminates and the buzzer beeps connuously, it means that there is a fatal error in the
UPS. Users can get the fault code from display panel. Please check the trouble shoong table in secon 4
for details.
2. Please check the loads, wiring, venlaon, ulity, baery and so on aer the fault occurs. Don’t try to
turn on the UPS again before solving the problems. If the problems can’t be xed, please contact the dis-
tributor or service people immediately.
3. For emergency case, please cut o the connecon from ulity, external baery, and output immediately
to avoid more risk or danger.