16
7
Verifying the Installation
1. Check each UPS in the parallel system by following instructions in chapter 6 "Verifying the
Installation."
2. Check that parallel cables are connected properly, and that the output voltage of each UPS in the
parallel system is the same.
8
Powering On and Starting the Parallel System
Do not start loads before the parallel system is started.
Check that the parallel system has passed all check items
in chapter 7 "Verifying the Installation."
Turn on the external battery circuit breaker if any.
Turn on the general UPS AC input circuit breaker (K) and
input circuit breakers of branches (K1 and K2).
Start
End
No: Start UPSs in
battery mode.
Yes
Check that the voltage is normal.
Turn on the branch output circuit breakers (Q1 and Q2).
Start UPSs in
normal mode?
Powering On UPSs
8.1
Press
1. Set the language (preset: English), system parameters, and battery parameters for each UPS
by following instructions in section 7.2 "Setting Key Parameters and Starting the Inverter."
2. Set Single/Parallel to Parallel and set Redundant UPSs to an appropriate value.
Setting Key Parameters and Starting Inverters
8.2
1. Before starting inverters, ensure that parallel parameters are synchronized. For details about
the parallel parameters, see the
UPS2000-G-(6 kVA-20 kVA) User Manual
.
2. After you perform "startup operations" on UPS 1 to UPS
n
one by one, UPS 1 to UPS
n
are
starting. If you do not perform "startup operations" on the other UPSs in 5 minutes, UPS 1
to UPS
n
enter normal mode, and the other UPSs supply no power.
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