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34
Utility Conditions
UPS Operating Modes
LEDs Display
indications
Utility Normal
Rectifier convert AC to DC, battery
charging, Inverter convert DC to AC
and supply to loads with clean & stable
power.
,
,
LEDs
remain illuminated
Utility Abnormal
(under or over
voltage) / Absent
Rectifier and charger stop operating
,
Battery discharge via DC~DC boost
circuit and supply to Inverter. Loads
continue to receive supply from
Inverter. Alarm beeps, UPS now on
battery mode.
LED off,
LED
illuminated
Utility
Abnormal/Absent,
Battery low voltage
Rectifier and charger stop operating
,
Battery discharge via DC~DC boost
circuit and supply to Inverter. Alarm
beeps with quick & short succession,
indicating battery power low and
Inverter may stop supply soon.
LED off,
&
LED illuminated.
Paragraph 5.2 ~ 5.7 below provide detailed descriptions of the UPS operating
principle
5.2 When Utility is Normal
The working principle of the UPS under Utility normal condition is illustrated as
follows
:
When Utility is normal, the AC source is rectified to DC, which fed into the
inverter. The charger will turn on automatically to charge batteries. The inverter
revert the DC to a cleaned and pure AC to supply energy to the load connected.
The
,
,
LEDs illuminated
.
Fig 5.2
Содержание UniStar C
Страница 1: ...Form No 003 2308 Rev C 1K 2K 3K UniStar C Intelligent True On Line UPS User Manual ...
Страница 9: ...8 3 2 Rear Panel Descriptions 120V 1KVA 10 8 7 1 2 3 5 4 6 2KVA 3KVA ...
Страница 19: ...18 4 3 Set up Tower Configuration Setup Step 1 Power Module Battery Module Step 1 ...
Страница 20: ...19 Rack Mount Configuration Setup Step 1 Step 2 Step 3 ...
Страница 21: ...20 Step 4 Step 5 ...
Страница 27: ...26 Q1 Q2 R1 R2 S ...
Страница 28: ...27 T U1 U2 U3 V ...
Страница 32: ...31 4 4 3 Battery Replacement Step 1 Step 2 ...
Страница 33: ...32 Step 3 Step 4 1KVA 2K 3KVA ...