5.5. UPS Default Settings and their
alternatives
• Make sure the UPS is not “On” yet. Press
On Switch and scroll down key
pads simultaneously for approx. 3
seconds, the buzzer will sound twice, the
LCD display screen shows as Fig. Q1,
then the UPS is under setting mode.
To scroll down the LCD screen, you may
refer to Chapter 5.4.
Except for Buzzer (as Fig. Q1 & Q2) and
Self-test (as Fig. R1 & R2), all the remaning
default settings may be changed by pressing
scroll up key pad.
Fig. S1 and S2 show the bypass input
acceptable window, it can be 184 VAC ~ 260
VAC or 195 VAC ~ 260 VAC.
Fig. T shows the bypass frequency window
of the Inverter Output, the acceptable setting
values are ±3 Hz and ±1 Hz.
Fig. U shows the acceptable Inverter Output
Voltage, of which voltage is 200Vac, 208Vac,
220Vac, 230Vac, or 240Vac.
Fig. V1, V2, V3 and V4 show the operation
modes of the UPS, of which the alternatives
are Online, Eco(Economic) mode, fixed 50
Hz Output or fixed 60 Hz Output.
Fig. W shows the adjustments of the Inverter
Output, which may be calibrated as 0%,
+1%, -1%, +2%, -2%, +3%, or -3%.
Fig. X shows a specified address & position
of the UPS when the UPS is in Parallel
mode. The settable numbers are from 1st to
4th.
Fig. Y shows the total number of UPS in
parallel. The settable numbers are from 1 to
4.
When all the setting changes are done, you
have to press enter key Pad to save all
the changes when the LCD screen shows as
Fig. Z, then, the LCD screen will show as Fig.
AA to complete the setting changes. If you
don’t want to change those settings, you may
press “OFF” key pads for 5 seconds, then
the LCD screen turns to Fig. AA directly,
which means your setting changes are
invalid.
Fig. Z: Please press Enter key to save data.
Fig. AA: It shows the UPS is locked
• Turn Off the breaker of Utility Input.
Your Setting changes are complete.
5.6. UPS Is Off Due to Unknown
Reason and It’s Trouble
Shooting
If there is a serious abnormal condition the
UPS will lock it itself in “OFF” position as
shown in Fig. AA and an abnormal message
will show on the LCD screen
After 3 seconds, all messages will be locked
except Bypass messages(LED &
LCD ). In cases where the Utility is
abnormal after the UPS is locked, the LED
will be extinguished and the LCD will
be shown on the LCD screen.
To release the UPS lock, please complete
the following:
• Check those error messages
recorded.
• Check Chapter 3.1.1 to trouble
shoot the problem of the UPS.
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