Installation and Operation
UPS-Manual
17
EN
3. Press scroll up key pad, you may exe-
cute special functions. The functions include
Buzzer ON (as drawing Q1) or buzzer OFF
(as drawing Q2, Alarm silence for UPS
warning) and self-test OFF (as drawing Q2).
UPS will execute battery test for 10 seconds,
if the self-test is successful, it show as
drawing W; otherwise, it will show as drawing
D & error message at the same time.
drawing W
4.4.5. UPS default settings and their
alternatives
1. Make sure the UPS is not “ON” yet, which
means it is not in Line Mode or Backup
Mode. Press on UPS “ON” Switch and
scroll down key pads simultaneously for
approx. 3 seconds, the buzzer will sound
twice, the LCD display screen shows as
drawing P1, then the UPS is under setting
mode now.
2. To scroll down the LCD screen, you may re-
fer to Chapter 4.4.4. point 2.
3. Except Buzzer(as drawing P1 & P2) and self-
test(Q1 & Q2), all the rest default settings
may be changed by pressing scroll
up key pad. Drawings R1 and R2 mean
the bypass input acceptable window, it can
be 176V AC~ 264V AC or 187V AC~264V
AC for 220V AC system.
4.
Drawing S means the bypass frequency
window of the inverter output, the acceptable
setting values are +/-3Hz and +/-1Hz.
5. Drawing T means the acceptable Inverter
Output Voltage, of which voltage is 200V,
208V, 220V, 230V, or 240V for 220V AC
system
6. Drawing U1, U2 and U3 mean the operation
modes of the UPS, of which alternative is
Online, fixed 50Hz Output or fixed 60Hz
Output.
7. Drawing V means the adjustments of the
Inverter Output, which may be calibrated as
0%, +1%, -1%, +2%, -2%, +3%, or -3%.
8. 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
drawing X. All those changes will be acti-
vated only when the UPS is re-turned on.
The LCD screen will be back to the original
screen before setting.
drawing X
9. Turn off the UPS and the input breaker of the
Utility.
10.
Your Setting changes are complete.
4.4.6. UPS is off due to unknown reason
and is trouble thooting
1. If there is a serious abnormal condition oc-
curred, the UPS will lock itself in “OFF” posi-
tion as shown in the drawing Y and a abnor-
mal message will show in the LCD screen.
drawing Y
2. For some special conditions, the UPS will
lock itself; however, it is still allowed to have
bypass output in most of conditions and the
LCD screens will show as drawing Z and er-
ror message will be shown on the screen.
drawing Z
3. To release the UPS lock, please proceed the
followings:
(a) Check those error messages recorded
