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y
Connect the Delta external charger box to UPS
Before installing input cables and output cables, fix the bus bar
1
(provided in packing) first. See Figure 10 .
Charge RT 15-20kVA UPS
Charge RT 5-10kVA UPS
DC OUTPUT
AC INPUT
CH2
L (L1)
N (L2)
CH1
Bus bar
(Figure 10: Fix Bus bar)
2
Select proper input cables and cable gland, and compress the
terminal CU in package to one end of the cable. Connect the
terminal end to charger box's input terminal block and the other
end to line power. See Figure 11 .
(Figure 11: Install Input Cables)
3
When connecting the external charger box to the mains, it is highly
recommended that you install the protective devices. Please refer
to the table below.
External Charger Box Model
Suggested Proctetive Device
CHG240-RT-1
CHG240-RT-2
4
Select proper output cables and cable gland, and compress the
terminal CU in package to one end of the cable. Connect the
terminal end to charger box's output terminal block and the other
end to external battery pack. See Figure 12 .
www.deltaww.com
DC OUTPUT
AC INPUT
CH2
L (L1)
N (L2)
CH1
Bus bar × 2
5
6.2 Configuration
6.2.1 Configure the charger box automatically
Line Power
When the charger box is communicated with UPS (UPS need support
charger box's communication protocol) through RS485, charger box's
configuration is controlled by UPS, that is, follows UPS's setting. Please
refer to Figure 13 and Figure 14 for connection.
y
Connect single charger box to UPS
250Vac/ 16A breaker
250Vac/ 25A breaker
y
Connect paralleled charger boxes to UPS
External Battery Pack
(Figure 12: Install Output Cables)
For te specification of input/ output cables, please refer to below
table.
Spec. / Capacity
CHG240-RT-1/ CHG240-RT-2
Input/ Output Cables
#12AWG (3 mm
(Rating Temperature 90°C)
Tightening Torque
5.07kgf-cm (4.40 lb-in)
CH2
CH1
RS485
ID
ID
RS485
MICRO
USB
DC OUTPUT
CH2
CH1
Connect to RS485 port on UPS
(Figure 13: Connect Single Charger Box to UPS)
CH2
CH1
RS485
ID
ID
RS485
MICRO
USB
DC OUTPUT
CH2
CH1
2
CH2
CH1
RS485
ID
ID
RS485
MICRO
USB
DC OUTPUT
CH2
CH1
1
Connect to RS485 port on UPS
(Figure 14: Connect Paralleled Charger Boxes to UPS)
3 / 4
7
Troubleshooting
LED
Indicators
LED
The charger box's setting is
flashes
abnormal.
(Red)
LED on
The charger works
(Red)
abnormally.
1. The input power is
abnormal.
LED off
2. The charger board's power
(Green)
2
)
is abnormal.
3. The charger board is not
well connected.
LED
The input power is out of
flashes
working range.
(Green)
8
Maintenance
Charger Box Cleaning:
y
Regularly clean the charger box, especially the slits and openings, to
make sure air flows freely through the charger box to avoid overheating.
Charger Box Inspection:
AC INPUT
L (L1)
N (L2)
y
Regularly check the charger box and inspect:
1. Whether the LED indicators are normal.
2. Whether the fan works normally and air flows freely through the
charger box.
Fan:
y
Higher temperatures shorten fan life. When the charger box is running,
please check if the fan works normally and make sure the charger box is
ventilated properly. If not, replace the fan.
AC INPUT
L (L1)
N (L2)
NOTE:
Please ask your local dealer or customer service representative
for more maintenance information. Do not perform maintenance
if you are not trained for it.
AC INPUT
L (L1)
N (L2)
Continue to the Next Page
Problems
Solutions
Check whether the
configuration is correct.
If all configuration is correct,
please contact your local
dealer or customer service
representative.
Check whether the input
cables are firmly connected. If
not, connect them. If the input
cables are firmly connected
but the LED still flashes or
off, please contact your local
dealer or customer ervice
representative.
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