IST5 Tower UPS 10kVA~40kVA User Manual 43
Operations
1. Parallel boards settings
A. For single UPS, no need parallel board. When a parallel board is installed,
connectors of J33 to J42 should be shorted by the jumpers.
B. For 2 UPS in parallel, short the connectors of J33/J35/J37/J39/J41 by jumpers on
each board, keep connectors of J34/J36/J38/J39/J42 open
C. For 3 or 4 UPS in parallel, keep connectors of J33-J42 open.
2. Control boards settings
The control board is named as PS1203_CT1.
For single UPS, keep the J21-J25 shorted by jumpers
For parallel, keep all the connectors J21-J25 open. As is shown in Fig.5-12.
Note: The connectors not mentioned keep them untouched.
When all the connection and settings are finished, follow the steps below for the
operation of parallel system setup.
1.
Close the output and input breaker of the first unit. Wait for the start up of
bypass static switch and rectifier, about 90 seconds later; the system will
transfer to normal mode. Check if there is any alarm on LCD and verify the
output voltage is correct or not.
2.
Turn on the second unit as the same operation with the first one; the unit will
join the parallel system automatically.
3.
Turn on the rest units one by one, and check the information on LCD.
4.
Verify the load sharing with a certain load applied.
Summary of Contents for IST5010
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