User Manual 200 kVA-1200 kVA UPS
3 Installation
37
data (local SIM card is required). UPS can be monitored online through computer or mobile phone. For
details, please refer to the attached operating instructions.
WIFI card allows UPS to access the Internet and perform data connection with the server through WIFI. UPS
can be monitored online through computer or mobile phone. For details, please refer to the attached operating
instructions.
3.3 Installation of Parallel UPS
3.3.1 Connection of Power Cable
The specific wiring process is described as follows: as shown in Fig. 3-19.
Step 1
: properly install the AC input cable and battery cable of each UPS for the parallel system according to
3.2.4.
Step 2
: ground the individual equipment of each parallel system separately.
Step 3
: connect the mains input of UPS to mains 1 and 2 respectively, and connect the batteries to the battery pack
1 and the battery pack 2 respectively. Connect the bypass input and the load output in parallel, and respectively
connect bypass power supply and load.
The wiring diagram for power cable of parallel system is shown in Fig. 3-19.
Fig. 3-19 Wiring diagram for power cable of parallel system
Batte
ry bank1
Mains input 1
Bypass input
Batte
ry bank
2
Mains input 2
AC/DC
rectifier
DC/AC
inve
rt
er
Mai
nte
nance
b
ypa
ss
Mai
nte
nance
b
ypa
ss
DC/AC
in
ve
rt
er
AC/DC
rec
tifi
er
Parallel
connection
cable
Load
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