Alpha ESS Backup Box-PLUS User manual

QUICK INSTALLATION GUIDE
Backup Box-PLUS
V02

M8 expansion screw X4 Quick installaon guide X1 Posioning board x1
Backup Box-PLUS
Parng List

Backup Box-PLUS wiring diagram for three-phase inverter.
Please connect PE cable between Backup Box and the
inverter. If the inverter does not have PE port, these is
no need to connect PE cable.
System Wiring Diagram
Backup Box-PLUS wiring diagram for
single-phase inverter.
PE L3 L3 L3L2 L1 N L2 L1 N L2 L1 N
INV-Backup Grid Load
Load1
Grid
Breaker RCD
PV-INV
Breaker
INV-AC
Breaker
NL1
L2
L3 NL1
L2
L3
T10
Inverter
N
L1L2L3 NL1L2L3
INV-AC INV-Backup
PV-INVERTER
L3
L2
L1
N
PV Panel
PV+
PV+ PV-
PV-
PV Panel
PV+
PV-
PV+
PV-
PE
PE
BAT+
BAT-
HV BOX
Battery
BAT+ BAT-
BAT+ BAT-
BAT+
BAT-
INPUT
OUTPUT
Load2 Load3
PE
PE
PE
N N N
L L L
NL1L2L3 NL1L2L3
NL1L2L3
NL1L2L3
METER
E-Bar
L3 NL1L2PE
PE
Grid
Backup Box-PLUS
PE L3 L3 L3L2 L1 N L2 L1 N L2 L1 N
INV-Backup Grid Load
Load1
Grid
Breaker RCD
PV-INV
Breaker
INV-AC
Breaker
NL1L2L3 NL1L2L3
Single Phase
Inverter
N
L1 NL1
INV-AC INV-Backup
PV-INVERTER
L3
L2
L1
N
PV Panel
PV+
PV+ PV-
PV-
PV Panel
PV+
PV-
PV+
PV-
PE
PE
BAT+
BAT-
Battery BAT+
BAT-
Load2 Load3
PE
PE
PE
N N N
L L L
NL1L2L3 NL1L2L3
NL1L2L3
NL1L2L3
METER
E-Bar
PE
Grid
L3 NL1L2PE
Backup Box-PLUS

① Power connecon port
② Communicaon port
③ LCD Screen
④ Lock
①
①
②
②
②
① Insulang plate
② Insulang plate
③ LCD Screen
④ Control switch ①Control panel
② Terminal block
③ Reserved grounding copper bar
④ Bypass switch
⑤ STW-10A
Instrucon
③
③
③
④
④
④
①
⑤

10kW Backup box view (mm)
Installaon
Step 1
Instrucon
Minimum distance to
adjacent objects:
Take out the Backup Box-PLUS and accessories from the
package.
Note: Please pay
attention that the
quantity of accessories
is consistent with the
details on the manual.
Step 2
Place the cardboard on the wall where the Backup Box-PLUS
will be installed, and mark on the wall according to holes on
the cardboard.
Note: Please ensure
that the cardboard is
level to prevent the
Backup Box-PLUS from
tilting after installation.

Installaon
Step 3
Use the impact drill to drill holes
according to the marks on the wall
(Drill: M10, Depth: 70mm).
Step 4
Take out the plastic expansion screws and vertically place the
expansion tubes into the holes.
Note: The expansion tube
should be completely
buried in the hole and
should not protrude from
the wall.
Step 5
Lock the expansion screws into the two upper holes.
Step 6
Hang the Backup Box-PLUS
on the installed expansion bolt.
Note: Reserve a distance
of 3-8mm between the
bottom of the expansion
screw and the wall to
facilitate subsequent
installation.

Installaon
Step 7
Use the key to open the upper cover,
and use the SW10 sleeve to lock the
two expansion screws above.
Step 8
Lock the two expansion
screws at the bottom.
Note: The tool used in this
step should be matched
with the extension rod
(about 20cm).
Step 9
Use a Philips screwdriver to
remove the insulation plate.

Installaon
Step 10 Connect the backup cables. Connect the grid cables.
Step 11
Note: When connecting cables, the wire harness must
pass through the rubber plug at the bottom. The rubber
plug should be cut with a knife along the middle cross.

Installaon
Step 12 Connect the Load cables. Connect the PV-INV cables.
Step 13

Installaon
Step 14 Connect the AC cables.
Install the insulation plate
removed in step 10.
Step 15
Note: The cable harness must be passed through the
cable tie which is installed on the insulation plate. Then,
tighten the cable tie.
Connect the communication cables.
Step 16
To EMS Meter Port

Installaon Configuraon
Step 17
Step 1
DIP Switch Configuration
Configuration on AlphaAPP
DIP Switch Description
Dial to "OFF" for three-phase system
and "ON" for single-phase system.
When the system mode is
selected as DC, only tick
"Meter" on the right of the
"Grid Meter" .
When the system mode is
selected as AC or Hybrid,
tick both "Meter" on the
right of the "Grid Meter"
and "PV side meter".
Step 2
Click "Submit" and enter the
"System information" page
to check the meter model.
The setting is successful if
meter model is Backup-
Box-PLUS.
Undefined
1
2
3
4
Undefined
Dial to "ON" for power recovery delay and
"OFF" to turn off power recovery delay.
Step 18
After installation, close and lock the upper cover.
Note: Please keep the key properly.
Note: It is forbidden to tick CT to modify the ratio.

Step 1
Configuration on AlphaCloud.
Log in to https://www.alphaess.com/, and input the system SN to check the status of your system.
Configuraon

Step 2
Configuration on AlphaCloud.
When the system mode is selected as DC, click the button under the "Grid Meter" to make it green.
When the system mode is selected as AC or Hybrid, click the buttons under the "Grid Meter" and "PV side meter"
to make both green.
Step 3 Click "Save" and wait till the page is refreshed.
When the "Meter Model" displays BackupBox-PLUS, the setting is successful.
Configuraon
Note: It is forbidden to tick CT to modify the ratio.

Step 4
Configuration on AlphaCloud.
Please log in to the AlphaCloud page, select "System Setup", and click "Backup Box".
Configuraon

Step 5
Configuration on AlphaCloud.
Select "Enable Backup Box" and set different priorities and minimum SOC values for each phase.
Configuraon

Step 6
Configuration on AlphaCloud.
Complete all the setting steps above and click "Save" to enable the Backup Box function.
Configuraon

Specificaon
Model
Phase Three Phase
RS-485
LCD
-10 ℃~ 50 ℃
15% ~ 85%
IP21
410 x 169 x 605 mm
5 Years
10 kW
184 ~ 264.5 V (L-N)
50 Hz
3 X 63 A
25 kg
Communicaon
Display
Operang Temperature
Humidity
IP Protecon
Dimension (W x D x H)
Warranty
Nominal Backup Power
Grid Voltage Range
Grid Frequency
Max. Output Current
Net Weight
Backup Box-PLUS

Headquarter: Alpha ESS Co., Ltd.
[phone]
[email protected]
www.alpha-ess.com
JiuHua Road 888, Nantong High-Tech
Industrial Development Zone, Nantong City,
226300
Suzhou: Alpha ESS Suzhou Co., Ltd.
[phone]
[email protected]
www.alpha-ess.com
Building 10-A, Canal Town Industrial Park,
99 Taihu E Rd, Wuzhong District, Suzhou
215000
Australia: Alpha ESS Australia Pty. Ltd.
[phone] (Sales)
[phone] (Technical Support)
[email protected]
www.alpha-ess.com.au
Unit 1, 2 Ralph Street Alexandria NSW 2015
UK: Alpha ESS UK Co., Ltd
[email protected]
Drake House, Long Street, Dursley, gl11 4hh
Germany: Alpha ESS Europe GmbH
[phone]
[email protected]
www.alpha-ess.de
Paul-Ehrlich-Straße 1a, 63225 Langen, Hessen
Italy: Alpha ESS Italy S.r.l.
[phone]
[email protected]
www.alpha-ess.it
Via Loda,17-41013 Castelfranco Emilia(MO)
Korea: Alpha ESS Korea Co., Ltd
[phone]
[email protected]
2F, 19-4, Nohyeong 11-gil, Jeju-si, Jeju-do,
Republic of Korea
@AlphaESS
@AlphaEnergyStorageSystem @AlphaESS
@alpha_ess