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Appendix-5: Event List
NO
EVENTS
DESCRIPTION
1 Bypass voltage ok
Bypass voltage is within its limit.
2 Inv. sync. with Byp.
Frequency of bypass mains voltage synchronized with output frequency.
3 Byp. ph. seq. ok
Phase sequence of bypass mains voltages is OK.
4 M. Bypass passive
Manual/Maintenance Bypass
switch is at “0” position.
5 Inverter temp. ok
Inverter block temperature is within the limits.
6 Inverter load ok
RMS current drawn from any of the output lines does not exceed its nominal value.
7 Bypass passive
Bypass does not operate now.
8 Inverter active
Inverter operates now.
9 Output voltage ok
Output voltage is within the limits.
10 Master com. ok
There is no communication problem with master UPS.
11 Input voltage ok
Input voltage is within the limits.
12 Rec. sync. with Inp.
Rectifier is synchronized to input frequency.
13 Inp. ph. seq. ok
Phase sequence of input voltages is OK.
14 Rectifier temp. ok
Rectifier block temperature is within the limits.
15 Rectifier load ok
RMS current drawn from any of the input lines does not exceed its nominal value.
16 DC voltage ok
DC bus voltage is within the limits.
17 DC voltage ok
DC bus voltage is within the limits.
18 Rectifier active
Rectifier operates now.
19 Output breaker closed
Output circuit
breaker is at “I” position.
20 Batt. test completed
Battery test is completed.
21 Redundancy ok
All parallel UPS is OK.
22 N number ok
All parallel UPS is OK.
23 Rectifier enabled
Rectifier enabled is set as “YES” from front panel.
24 Inverter enabled
Inverter enabled is set as “YES” from front panel.
25 Bypass enabled
Bypass enabled is set as “YES” from front panel.
26 Eco mode passive
Eco Mode enabled is set as “NO” from front panel.
27 Batt. not discharging
Battery is not discharging.
28 Ambient temp. ok
Ambient temperature is within the limits.
29 Gen. mode passive
Generator friendly operation is passive.
30 ESD incactive
Emergency Switching Device interface is inactive.
31 Battery test succeed
Battery test result is success.
32 Battery breaker closed
Battery circuit breaker is at “I” position.
33 Rec. precharged
DC bus voltage is equal to input voltage.
34 Inverter com. ok
Communication between the inverter and the front panel is OK.
35 Rectifier com. ok
Communication between the rectifier and the front panel is OK.
36 Bypass voltage high
Bypass voltage is higher than its limit.
37 Bypass voltage low
Bypass voltage is lower than its limit.
38 Inv. not sync. with Byp.
Frequency of bypass mains voltage not synchronized with output frequency.
39 Byp. ph. seq. wrong
Phase sequence of bypass mains voltages is not OK
40 M. Bypass active
Manual/Maintenance Bypass
switch is “ON”
41 Inverter temp. high
Inverter block temperature is very high.
