Huawei SUN2000-3KTL-M0 User manual

SUN2000-(3KTL-10KTL)-M0
Quick Guide
Issue: 04
Part Number: 31509649
Date: 2019-05-15
HUAWEI TECHNOLOGIES CO., LTD.

1
(1) LED
(2) Front panel
(3) Hanging kit
(4
) Mounting bracket
(5
) Heat sink
(6
) Ventilation valve
(7
) Ground screw
(8
) AC output port (AC)
(9
) Communication port (COM)
(10
) Smart Dongle port (GPRS/4G/WLAN)
(11
) Battery terminals (BAT+/BAT–) (reserved)
(12
) DC input terminals (PV2+/PV2–)
(13
) DC input terminals (PV1+/PV1–)
(14) DC switch (DC SWITCH)
1Overview
Copyright © Huawei Technologies Co., Ltd. 2019.
All rights reserved.
1. The information in this document is subject to change due to version upgrades or other reasons.
Every effort has been made in the preparation of this document to ensure accuracy of the
contents, but all statements, information, and recommendations in this document do not
constitute a warranty of any kind, express or implied.
2. Before installing the device, read the user manual carefully to get familiar with product
information and safety precautions.
3. Only qualified and trained electrical technicians are allowed to operate the device. Operation
personnel should understand the composition and working principles of the grid-tied PV power
system and local regulations.
4. Before installing the device, check that the package contents are intact and complete against
the packing list. If any damage is found or any component is missing, contact your dealer.
5. Use insulating tools when installing the device. For personal safety, wear proper personal
protective equipment (PPE).
6. Huawei shall not be liable for any consequences caused by the violation of the storage,
transportation, installation, and operation regulations specified in this document and the user
manual.

2
Dimensions
Tilt and Space
2Installing the Device
Installation Requirements
2.1

3
Installing the SUN2000
2.2
Prepare an anti-theft lock suitable for the lock hole diameter (Ф8 mm) by yourself. An outdoor
waterproof lock is recommended.
NOTE
2. Install the SUN2000 on the mounting bracket. 3. (Optional) Install an anti-
theft lock.
•M6x60 expansion bolts are delivered with the SUN2000. If the length and amount of the bolts
do not meet installation requirements, prepare M6 stainless steel expansion bolts by yourself.
•The expansion bolts delivered with the inverter are used for solid concrete walls. For other
types of walls, prepare bolts by yourself and ensure that the wall meets the load bearing
requirements of the inverter.
•Loosen the nuts, flat washers, and spring washers of the two expansion bolts below.
NOTE
1. Install the mounting bracket.
When drilling holes, avoid the water pipes and power cables buried in the wall.

4
•Connect cables in accordance with the local installation laws and regulations .
•Before connecting cables, ensure that the DC switch on the SUN2000 and all the switches
connecting to the SUN2000 are set to OFF position. Otherwise, the high voltage of the
SUN2000 may result in electric shocks.
Preparing for Installation
3.1
Installing the PE Cable
3.2
3Electrical Connections
No.
Item
Type
Specifications
1
PE cable
Single
-core outdoor copper
cable
Conductor cross
-sectional area ≥ 4
mm
2
2
AC output power cable
O
utdoor copper cable
•
Conductor cross-sectional area:
4–6 mm2
•
Cable outer diameter: 10–21 mm
3
DC input power cable
Standard outdoor PV cable in
the industry (recommended
model: PV1
-F)
•
Conductor cross-sectional area:
4–6 mm2
•
Cable outer diameter: 4.5–
7.8 mm
4
(Optional) RS485
communications cable
(used
to cascade
inverters or connect
to
the RS485 signal port
on the
SmartLogger)
Two
-core outdoor shielded
twisted pair cable
•
Conductor cross-sectional area:
0.2–1 mm2
•
Cable outer diameter: 4–11 mm
5
(Optional) RS485
communications cable
(used to connect to the
RS485 signal port on
devices such as the
Smart Power Sensor
and the energy storage
device
)
Two
-core outdoor shielded
twisted pair cable
•
Conductor cross-sectional area:
0.2–1 mm2
Note: When devices such as the
Smart Power Sensor and the
energy storage device are both
connected to the inverter, use
0.2–0.5 mm2cords.
•
Cable outer diameter: 4–11 mm
6
(Optional)
Grid
scheduling signal cable
Five
-core outdoor cable
•
Conductor cross-sectional area:
0.2–1 mm2
•
Cable outer diameter: 4–11 mm

5
•The PE point at the AC output port is used only as a PE equipotential point, not a substitute for
the PE point on the enclosure.
•It is recommended that silica gel or paint be used around the ground terminal after the PE cable
is connected.
NOTE
Installing the PE Cable
3.2
Do not connect the neutral wire to the enclosure as a PE cable. Otherwise, electric shocks may occur.
Ensure that the protection layer of the AC output power cable is inside the connector, the core
wires are totally inserted into the cable hole, and the cable is connected securely. Failing to do so
may cause device malfunction or damage.
Installing the AC Output Power Cable
3.3

6
1. Connect the AC output power cable to the AC connector.
Three-core cable (L1, L2, and L3)
Click
Four-core cable (L1, L2, L3, and PE)
Click
Four-core cable (L1, L2, L3, and N)
Click

7
Five-core cable (L1, L2, L3, N and PE)
Click
AC output port (AC)
2. Connect the AC connector to the AC output port.
3. Check the route of the AC output power cable.

8
Installing DC Input Power Cables
3.4
1. Use the Amphenol Helios H4 PV connectors supplied with the SUN2000. If the PV connectors
are lost or damaged, purchase the connectors of the same model. The device damage caused
by incompatible PV connectors is not covered under any warranty.
2. Crimp the metal stamping forming contacts using crimping tool H4TC0003 (Amphenol,
recommended) or H4TC0002 (Amphenol).
3. Ensure that the PV module output is well insulated to ground.
4. The DC input voltage of the SUN2000 shall not exceed 1100 V DC under any circumstance.
5. Before installing the DC input power cable, label the cable polarities to ensure correct cable
connections.
6. If the DC input power cable is reversely connected, do not operate the DC switch as well as
positive and negative connectors immediately. Failing to do so may cause device damage, which
is not covered under any warranty. Wait until the night when solar irradiance declines and the PV
string current drops to below 0.5 A. Then set the DC switch to the OFF position, remove the
positive and negative connectors, and correct the polarities of the DC input power cable.

9
Pull back the DC input power cable to
ensure that it is in position.
Click
DC input
terminals Battery
terminals
Positive connector
Negative
connector
Positive metal
terminal
Negative metal terminal
Ensure that the cable
cannot be pulled out
after being crimped.
Ensure that the locking nut
is secured.
Ensure that the cables are
correctly connected. (The DC
voltage of a multimeter should
not be less than 1100 V).
Click

10
(Optional) Installing the WLAN Smart Dongle
3.5
Smart Dongle port (GPRS/4G/WLAN)
NOTE
The WLAN Smart Dongle is delivered with the SUN2000.
LED indicator
LED
Description
Color
Status
Yellow (blinking green
and red
simultaneously)
Steady on
The Dongle is secured and powered on.
Red
Blinking at short intervals (on for
0.2s and then off for 0.2s)
The parameters for connecting to the
router are to be set.
Green
Blinking at long intervals (on for
0.5s and
then off for 0.5s)
Connecting to the router
Green
Steady on
Successfully connected to the
management system.
Blinking red and
green alternatively
Blinking at short intervals (on for
0.2s and then off for 0.2s)
The inverter is communicating with the
management system through the Dongle.

10
(Optional) Installing the Signal Cable
3.6
•Not all SUN2000 models are delivered with
the signal cable connector.
•When laying out the signal cable, separate it
from the power cable and keep it away from
strong interference sources to avoid strong
communication interference.
•Ensure that the protection layer of the cable is
inside the connector, surplus core wires are
cut off from the protection layer, the exposed
core wire is totally inserted into the cable hole,
and that the cable is connected securely.
•If the Smart Dongle is configured, you are
advised to install the Smart Dongle before
connecting the signal cable.
Communication Port Pin Definition
Pin
Definition
Function
Description
Pin
Definition
Function
Description
1
485A1
-1
RS485A,
RS485
differential
signal+
Used to
cascade
inverters
or
connect to the
RS485 signal
port on the
SmartLogger
2
485A1
-2
RS485A,
RS485
differential
signal+
Used to
cascade
inverters
or
connect to
the RS485
signal port
on the
SmartLogger
3
485B1
-1
RS485B,
RS485
differential
signal
–
4
485B1
-2
RS485B,
RS485
differential
signal
–
5
PE
Shielding
ground
N/A
6
PE
Shielding
ground
N/A
7
485A2
RS485A,
RS485
differential
signal+
Used to
connect to the
RS485 signal
port on devices
such as the
Smart Power
Sensor and the
energy storage
device
8
DIN1
Dry contact
for grid
scheduling
N/A
9
485B2
RS485B,
RS485
differential
signal
–
10
DIN2
11
EN
Enabling
signal
Reserved.
Used to
connect to the
enable signal
port on an
energy storage
device
12
DIN3
13
GND
GND
N/A
14
DIN4
15
DIN5
Rapid
shutdown
Reserved.
16
GND

11
•When the RS485 communications cables of devices such as the Smart Power Sensor and the
energy storage device are both connected to the inverter, 485A2 (pin 7), 485B2 (pin 9), and PE
(pin 5) are shared.
•When the enable signal cable of the energy storage device and the signal cable of the rapid
shutdown switch are both connected to the inverter, GND (pin 13) is shared.
NOTE
Single Inverter + Smart Dongle Networking
Multiple Inverter + SmartLogger1000A Networking
NOTE
The Smart Power Sensor is necessary for export
limitation. Only the DTSU666-H Smart Power
Sensor (provided by Huawei) can be used.
NOTE
•A maximum of 80 devices can connect to a single SmartLogger1000A, such as inverters, Smart
Power sensor, and EMI. You are advised to connect fewer than 30 devices to each RS485 route.
•The Smart Power Sensor is a necessary export limitation. Select the Smart Power Sensor
according to the actual project.
•To ensure the system response speed, the Smart Power Sensor is recommended to be
connected to a COM port separately from inverter COM port.
When multiple inverters are cascaded, only one Smart Dongle or one SmartLogger1000A is
allowed in the RS485 communications link.

13
Communication port (COM)
(Optional) Installing the RS485 Communications Cable (Inverter Cascading)
1. Connect the signal cable to the signal cable connector.
2. Connect the signal cable connector to the Communication port.

14
1. Connect the signal cable to the signal cable connector.
2. Connect the signal cable connector to the Communication port.
Communication port (COM)
(Optional) Installing the RS485 Communications Cable (Only Smart Power Sensor
Connected)

15
1. Connect the signal cable to the signal cable connector.
2. Connect the signal cable connector to the Communication port.
Communication port (COM)
(Optional) Installing the RS485 Communications Cable (Smart Power Sensor
and Energy Storage Device Connected)

16
1. Connect the signal cable to the signal cable connector.
2. Connect the signal cable connector to the Communication port.
(Optional) Installing the Grid Scheduling Dry Contact Signal Cable
Communication port (COM)

17
1. Turn on the AC switch between the SUN2000 and the power grid.
2. Turn on the DC switch between the PV string and the SUN2000 if there is any.
3. Turn on the DC switch at the bottom of the SUN2000.
4. Observe the LED indicators to check the SUN2000 operating status.
No.
Acceptance Criteria
1
The SUN2000 is installed correctly and securely.
2
Cables are routed properly as required by the customer.
3
The Smart Dongle is
installed correctly and securely.
4
Cable ties are evenly distributed and no burr exists.
5
The PE cable is connected correctly, securely, and reliably.
6
The DC switch and all the switches connected to the SUN2000 are
set to the OFF position.
7
The AC output power cable, DC input power cable, and signal cable are connected correctly,
securely, and reliably.
8
Unused terminals and ports are locked by watertight caps.
9
The installation space is proper, and the installation environment is clean and tidy.
4Verifying Installation
5Powering On the System
Before turning on the AC switch between the SUN2000 and the power grid, check that the AC
voltage is within the specified range using a multimeter.
Blinking at Long Intervals: On for 1s and then Off for 1s; Blinking at Short Intervals: On for 0.2s
and then Off for 0.2s.
NOTE
Category
Status
Meaning
Running
indicator
N/A
Steady green
Steady green
The SUN2000 is operating in grid
-tied mode.
Blinking green at
long intervals
Off
The DC is on and the AC is off.
Blinking green at
long intervals
Blinking green at
long intervals
The DC is on, the AC is on, and the SUN2000 is
not exporting power to the power grid.
Off
Blinking green at
long intervals
DC is off and AC
is on.
Off
Off
DC and AC are both off.
Blinking red at
short intervals
N/A
DC environmental alarm
N/A
Blinking red at
short intervals
AC environmental alarm
Steady red
Steady red
Faulty

18
Category
Status
Meaning
Communication
indicator
N/A
Blinking green at short
intervals
Communication is in progress. (When a mobile
phone is connected to the SUN2000, the indicator
first indicates that the phone is connected to the
SUN2000): blinks green at long intervals.)
Blinking green at long
intervals
The mobile phone is connected to the SUN2000.
Off
There is no communication.
6Commissioning
The screenshots shown in the quick guide are from FusionSolar V2.3.0. Data in the screenshots is
for reference only. The actual screens prevail.
NOTE
Search for "FusionSolar" from the following app stores or scan the corresponding QR code,
download the installation package, and install the FusionSolar app by following the instructions.
•Google Play (Android)
•App Store (iOS)
Android iOS
Scenario 1: Single inverter + Smart Dongle
6.1
1. Downloading the App

19
2. (Optional) Installer Account Registration
If you have an installer account, skip this step.
NOTE
Creating the first installer account will generate a domain named after the company.
To create multiple installer accounts for the same company, log in to the FusionSolar app and tap
New User.