EA660 Modular UPS
User manual & Operation explain
39
Here, the indicator of static switch have no change.
State diagram
:
Output
Run
Bypass
Inverter
Sync
Reset
All module alarm LED light up.
5
、
Cut off battery input air switch
System monitoring display indicate the AC input voltage is Zero, and indicate information.
State diagram:
+ -
Ent
Esc
After 5s, system shall totally lose power. Shut down opreation is done.
Note
:
DC positive
(
DC+
)
owe voltage
,
prep. shutdown
;
DC negative
(
DC-
)
owe voltage
,
prep. shutdown
;
DC positive
(
DC+
)
owe voltage
;
DC negative
(
DC-
)
owe voltage
。
Inverter
Bypass
Alarm
On/Off
Ch/Float
Silence
Esc
Ent