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User Manual
Hipulse - Single Phase '1+N' UPS System
8.3.1.5 Switching ON a UPS that was previously switched OFF and isolated from the system.
1. Close the circuit-breakers relative to the shutdown UPS that were previously
opened on the power distribution switchboard.
2. Close the switches Q1 (rectifier input) and Q2 (bypass input) of the UPS.
3. Select the MEASUREMENT function from the display on the main menu, then press
ENTER and select BATTTERY.
reached the rated value (432V or 446 or 459 in accordance with no. of battery blocks).
4. Close the battery circuit-breaker.
5. Close the UPS switch Q4 (output), wait about 20 seconds and check the message
NORMAL OPERATION appearing on the display operator panel.
8.3.1.6 Complete system shutdown
Follow the procedure described in Chapter 5 - Operating Instruction : paragraph 5.6
by working on several UPS modules.
8.3.1.7 Complete system reset
Follow the procedure described in Chapter 5 - Operating Instruction : paragraph 5.7
by working on several UPS modules.
8.4
Display Panel message interpretation in '1+N' System
The alarms are the same as for the single module, as given in the previous paragraph,
with the additional alarms:
CODE
DISPLAY ALARM MESSAGE
44
INV: PARALLEL ERROR
46
NR: INVERTERS NOT OK.
Press ENTER and check that the voltage level has
INTERPRETATION
The parallel board has detected a wrong sharing of the load and
has blocked its inverter. Seek qualified assistance.
The number of active inverters is below the preset capacity value.
70
130 kVA - 110V
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