Huawei SUN2000 Series Manuale utente
SUN2000-(3.8KTL-11.4KTL)-USL0 Battery,
Energy Meter, and Autotransformer
Quick Guide
Issue: 05
Date: 2019-07-08
HUAWEI TECHNOLOGIES CO., LTD.
1
1Product Introduction
Component
Description
Source
Battery
Recommended:
LG RESU10H (Type-R)
Purchased by the
customer
Energy meter
Recommended:
CCS-WNC-3D-240-MB
Purchased by the
customer
Battery switch
The battery switch is located under the battery wiring box
cover and is not within sight. It is recommended to add a
visible external battery switch.
Recommended: a DC circuit breaker with a rated voltage
greater than or equal to 600 V DC and a rated current of:
•
15 A (SUN2000-3.8KTL/5KTL/7.6KTL-USL0)
•
20 A (SUN2000-9KTL/10KTL/11.4KTL-USL0)
Purchased by the
customer
Backup load
switch Recommended: a 2-pole AC circuit breaker with a rated
voltage greater than or equal to 240 V AC and a rated
current of:
•25 A (SUN2000-3.8KTL/5KTL/7.6KTL-USL0)
•30 A (SUN2000-9KTL/10KTL/11.4KTL-USL0)
Purchased by the
customer
Home load
switch Recommended: a 2-pole AC circuit breaker with a rated
voltage greater than or equal to 240 V AC and a rated
current of:
•20 A (SUN2000-3.8KTL-USL0)
•25 A (SUN2000-5KTL-USL0)
•40 A (SUN2000-7.6KTL-USL0)
•50 A (SUN2000-9KTL/10KTL-USL0)
•60 A (SUN2000-11.4KTL-USL0)
Purchased by the
customer
Copyright © Huawei Technologies Co., Ltd. 2019. All
rights reserved.
The SUN2000-3.8KTL/5KTL/7.6KTL-USL0 supports two PV string inputs. The SUN2000-
9KTL/10KTL/11.4KTL-USL0 supports three PV string inputs. Two PV string inputs are used as an
example. Dashed boxes indicate optional components.
NOTE
2
2Battery Cables Connection
Cable
LG
RESU10H
(Type
-R)
Inverter
Type
Conductor Cross
-
sectional Area
Range
Outer
Diameter
Ground cable
N/A
Single
-core
outdoor copper
cable
12
–8 AWG
Prepared
by the
customer
Negative line of
the power cable
–
BAT
–
Single
-core
outdoor copper
cable
•
14–8 AWG
(SUN2000-
3.8KTL/5KTL/7.6
KTL-USL0)
•
12–8 AWG
(SUN2000-
9KTL/10KTL/
11.4
KTL-USL0)
Prepared
by the
customer
Positive line of
the power cable
+
BAT+
Prepared
by the
customer
Communications
cable
2) EN GND
4) ER_CTL_B
Multi
-paired
and individually
foil
-shielded
cable that
complies with
UL2919,
CM/CMG (NEC
type), or CMH
(CSA type)
24
–16 AWG
Prepared
by the
customer
3)
ENABLE_H
3) ER_CTL_A
4) RS485_H
5) 485A2
5) RS485_L
6) 485B2
3
3Energy Meter Cables Connection
Cable
WNC
-
3D
-240
-
MB
Inverter
Type
Conductor Cross
-
sectional Area
Range
Source
Communications
cable
A
–
8) 485B1
Multi
-paired and
individually foil
-
shielded
cable that complies with
UL2919, CM/CMG
(NEC type), or CMH
(CSA type)
24
–16 AWG
Prepared
by the
customer
B+
7)
485A1
N/A
Shield layer of the
communications
cable
Connects to the shield layer of the
communications cable
1. Connect the signal cable.
L1/L2/N
When connecting cables, ensure that the source of current transformers points to the power grid.
NOTE
4
L1/L2
Clamp the shield
layer of the
communications
cable into the
ground point.
When connecting cables, ensure that the source of current transformers points to the power grid.
2. Set the DIP switch of the energy meter as the figure below to ensure that the
communications address is 11.
If the energy meter and the SUN2000
communicate successfully, the COM indicator of
the energy meter will be green.
NOTE
NOTE
5
4Autotransformer Cables Connection
Autotran
sformer
Inverter
Type
Conductor Cross
-
sectional Area Range
Source
L1 (input)
L1 (back up
port)
•Use cables that can withstand
90°C(194°F) or 105°C
(221°F).
•
Two single-core outdoor
copper cables
•
12–6 AWG (SUN2000-
3.8KTL/5KTL/7.6KTL-
USL0)
•
10–4 AWG (SUN2000-
9KTL/10KTL/11.4KTL-
USL0)
Prepared by
the
customer
L2 (input)
L2 (back up
port)
Cables connecting between the autotransformer and SUN2000
Inverter
Type
Conductor Cross
-
sectional Area Range
Source
L1 (AC GRID)
•Use cables that can withstand
90°C
•
(194°F) or 105°C (221°F).
•
If the output mode is set to
L1/L2/N, use four single-core
outdoor copper cables (L1, N,
L2, PE).
•
If the output mode is set to
L1/L2, use three single-core
outdoor copper cables (L1, L2,
PE).
•
SUN2000-
3.8KTL/5KTL/7.6KTL-
USL0：
•
L1, N, L2:
•
12–6 AWG (SUN2000-
3.8KTL-USL0)
•
10–6 AWG (SUN2000-
5KTL-USL0)
•
6 AWG (SUN2000-
7.6KTL-USL0)
•
PE: 6 AWGSUN2000-
9KTL/10KTL/11.4KTL-
USL0：
•
L1, N, L2:
•
6–4 AWG (SUN2000-
9KTL/10KTL-USL0)
•
4 AWG (SUN2000-
11.4KTL-USL0)
•
PE: 6 AWG
Prepared
by the
customer
N ((AC GRID)
L2 (AC GRID)
Cables connecting between the SUN2000 and AC panel, backup AC panel
Autotransformer
Type
Conductor Cross
-
sectional Area Range
Source
L1 (output)
•Use cables that can withstand
90°C (194°F) or 105°C
(221°F).
•
Five single-core outdoor
copper cables
10
–6 AWG
Prepared by
the
customer
N (output)
L2 (output)
N (input)
8 AWG
Cables connecting between the autotransformer and AC panel, backup AC panel
6
The components and cable connection of the AC panel and backup AC panel in the figure are for
reference only and can be adjusted according to the actual situation.
NOTE
7
5Commissioning
a) Set the Auxiliary Power ON/OFF switch to ON after installing the battery pack. Ensure that the
Circuit Breaker switch is in the OFF position (including the Trip position).
b) Set the Circuit Breaker switch to ON.
c) Several seconds after the Circuit Breaker switch is set to ON, four indicators will be on.
d) Ensure that the ON indicator is on and check whether the battery pack is successfully
initialized. The power-on indicator on the front should turn green.
e) Close the wiring box cover.
Powering On the System
5.1
Auxiliary Power ON/OFF switch Circuit Breaker switch
1. Put the battery pack in operation by taking the following steps.
•If the FAULT indicator on the front of the battery pack is ON or flashing, contact your
installer.
•If the battery fails to connect to the SUN2000, contact Huawei customer service hotline and
set the Auxiliary Power ON/OFF switch to OFF. Otherwise the battery power will be
exhausted and the battery cannot be charged by the inverter.
•If the SUN2000 is not powered on or the battery is not connected to it, set the Auxiliary
Power to OFF. Otherwise the battery power will be exhausted and the battery cannot be
charged by the inverter.
8
2. Power on the SUN2000.
Before turning on the AC switch between the SUN2000 and the power grid, use a multimeter set to
the AC position to check that the AC voltage is within the specified range.
a) Turn on the battery switch between the battery pack and the SUN2000.
b) Turn on the AC switch between the SUN2000 and the power grid.
c) Turn on the DC switch at the bottom of the SUN2000.
d) Perform quick setting over the FusionHome app and add devices.
•Please set the CT rated current of CCS-WNC-3D-240-MB energy meter according to the actual
rated current of the current transformers.
•The app screen snapshots provided in this document correspond to FusionHome 2.1.11.300. The
figures are for reference only.
•The initial password for connecting the inverter WiFi is Changeme
•The initial password of the installer is 00000a.
•Use the initial password upon first power-on and change it immediately after login. To ensure
account security, change the password periodically and keep the new password in mind. Not
changing the initial password may cause password disclosure. A password left unchanged for a
long period of time may be stolen or cracked. If a password is lost, devices cannot be accessed.
In these cases, the user is liable for any loss caused to the PV plant.
Model Communi
cation
Address
CCS-
WNC-
3D-
240-
MB
11
NOTE
9
Powering Off the System
5.2
a) Send a shutdown command from the FusionHome app. If you log in as installer, on the
Home screen, choose Device maintenance > Inverter ON/OFF, and perform operations as
required; if you log in as user, on the main screen, choose > Settings >Inverter
ON/OFF, and perform operations as required.
b) Turn off the AC switch between the SUN2000 and the power grid.
c) Turn off the main switch between the SUN2000 and the power grid.
d) Turn off the DC switch at the bottom of the SUN2000.
e) If a battery connects to the battery port, turn off the battery switch.
1. Power off the SUN2000.
Auxiliary Power
ON/OFF switch Circuit Breaker switch
2. Power off the battery pack.
a) Remove the wiring box cover.
b) Turn off the battery pack by setting the Circuit Breaker switch to the OFF position.
c) Ensure that every indicator on the battery pack is off. It should take 60 seconds at most
for the indicators to be off.
d) Turn off the Auxiliary Power ON/OFF switch.
e) Close the wiring box cover.
•Do not turn off the Auxiliary Power ON/OFF switch in normal operation mode such as charge
and discharge mode.
•If the battery pack is not used for a long time or there is any fault on the battery pack, turn off the
Circuit Breaker switch, and then turn off the Auxiliary Power ON/OFF switch.
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