Huawei SUN2000-3KTL-10KTL-M0 User manual

SUN2000-(3KTL-10KTL)-M0
Quick Guide
Issue: 07
Part Number: 31509649
Date: 2019-10-28
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-FE)
(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.
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.
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. You can download this document by scanning the QR code.

2
Dimensions
Tilt and Space
2Installing the Device
Installation Requirements
2.1
Two M6 screw holes are reserved on both left and right sides of the inverter for installing an awning.

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.
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.
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.
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