drawing U1
drawing U2
drawing U3
drawing V
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
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