26
8. Castle EX Series is capable of DC start-up without AC input, panel display being
similar to switch-on picture with AC supply. DC switch-on and off are available by
following instructions appearing in the pictures:
Firstly, activate DC switch-on function set under the bypass mode
Make sure that
Ā
+
ā
,
Ā
-
ā
and
Ā
N
ā
wires of batteries are properly connected to UPS
Switch on batteries
Lightly touch ENTER
Manually conduct switch-on order within about 40s after LCD self-inspection
Remark: UPS will be switched off automatically if there is no operation within 40s
after LCD self-inspection is completed!
4.2 Parallel UPS operation
Castle EX Series is capable of direct parallel connection, customers can add additional
machines on line to realize power redundancy and follow single machine operation
instructions for general operation. Before parallel operation, the customer service
engineers will change the stand-alone mode into the parallel mode through the LCD
display panel. Then connect the parallel lines of UPS and switch on the UPS input in
sequence, turn on the system through any of the single machine, then all the single
machines will display
Ā
UPS is loading on
ā
, and then switch to inverter output.
Ł
Normal switch on: Follow the operation
for single UPS and switch on the machine:
ł
If parallel operation fails,the
following will appear:
