18
Chapter 3 Operation Modes
4. BAT_LOW: When the main AC power is abnormal, it is the batteries to supply
power to the loads and the battery discharging voltage exceeds the setting
values (lower than 330V).
5. RES Fail: When the UPS runs in normal mode and the reserve AC power is
DEQRUPDOWKHRXWSXWIUHTXHQF\ZLOOEHEDVHGRQWKHUDWHGIUHTXHQF\
6. BATT Test Fail: When the battery test is executed, the battery test result shows
abnormalities.
A total of 20 events can be selected to set up the 6 sets of dry contacts. Please refer
to Table 3-1.
Table 3-1: Dry Contact Event Description
No. Event Description No. Event Description
1 UPS Normal 11 5HFWL¿HU,3$EQRUPDO
2 Load On Bypass 12 5HFWL¿HU23$EQRUPDO
3 Load On Battery 13 Inverter Fuse Failure
4 Battery Low 14 Battery Replacement
5 Bypass Abnormal 15 UPS Failure
6 Battery Ground Fault 16 (PHUJHQF\3RZHU2ႇ
7 Battery Test Failure 17
Parallel Communication
Abnormal
8 Inverter Overload 18 Manual Bypass On
9 Inverter Voltage Abnormal 19 UPS Over Temperature
10 Inverter Short Circuit 20 Battery Over Temperature
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