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SUN2000-(2KTL-5KTL)-L1
User Manual
Issue
01
Date
2020 17- -04
HUAWEI TECHNOLOGIES CO., LTD.
Issue ( - - ) 01 2020 04 17
Copyright © Huawei Technologies Co., Ltd.
i
Copyright © Huawei Technologies Co., Ltd. 2020. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and
the customer. All or part of the products, services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specied in the contract, all statements,
information, and recommendations in this document are provided "AS IS" without warranties, guarantees or
representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every eort 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.
Huawei Technologies Co., Ltd.
Address:
Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website:
https://e.huawei.com
SUN2000-(2KTL-5KTL)- L1
User Manual
About This Document
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ii
About This Document
Overview
This document describes the SUN2000-(2KTL-5KTL)-L1 (SUN2000 for short) in terms of its
installation, electrical connection, commissioning, maintenance, and troubleshooting. Before
installing and operating the SUN2000, ensure that you are familiar with the features, functions,
and safety precautions provided in this document.
Intended Audience
This document is applicable to:
Installers
Users
Symbol Conventions
The symbols that may be found in this document are dened as follows.
Symbol
Description
Indicates a hazard with a high level of risk which, if not
avoided, will result in death or serious injury.
Indicates a hazard with a medium level of risk which, if not
avoided, could result in death or serious injury.
Indicates a hazard with a low level of risk which, if not
avoided, could result in minor or moderate injury.
Indicates warning information about device or environment
security which, if not avoided, could result in equipment
damage, data loss, performance deterioration, or
unanticipated results.
NOTICE is used to address practices not related to personal
injury.
Supplements the important information in the main text.
NOTE is used to address information not related to personal
injury, equipment damage, and environment deterioration.
SUN2000-(2KTL-5KTL)- L1
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About This Document
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iii
Change History
Changes between document issues are cumulative. The latest document issue contains all the
changes made in earlier issues.
Issue 01 (2020-04-17)
This issue is the rst ofcial release.
SUN2000-(2KTL-5KTL)- L1
User Manual
Contents
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iv
Contents
About This Document .................................................................................................................... ii
1 Safety Information ........................................................................................................................ 1
1.1 General Safety 1..............................................................................................................................................................
1.2 Personnel Requirements 2...............................................................................................................................................
1.3 Electrical Safety ............................................................................................................................................................ 3
1.4 Installation Environment Requirements 4.......................................................................................................................
1.5 Mechanical Safety 4........................................................................................................................................................
1.6 Commissioning ............................................................................................................................................................. 5
1.7 Maintenance and Replacement ..................................................................................................................................... 6
2 Product Introduction .................................................................................................................... 7
2.1 Overview 7......................................................................................................................................................................
2.2 Component Description .............................................................................................................................................. 10
2.3 Label Description ........................................................................................................................................................ 11
2.4 Working Principles ...................................................................................................................................................... 13
3 SUN2000 Storage ......................................................................................................................... 16
4 System Installation ..................................................................................................................... 17
4.1 Checking Before the Installation ................................................................................................................................ 17
4.2 Preparing Tools and Instruments . ................................................................................................................................ 18
4.3 Determining the Installation Position ......................................................................................................................... 19
4.4 Moving a SUN2000 .................................................................................................................................................... 23
4.5 Installing a SUN2000 ................................................................................................................................................. 23
4.5.1 Wall-Mounted Installation ....................................................................................................................................... 24
4.5.2 Support-Mounted Installation .................................................................................................................................. 27
5 Electrical Connection .................................................................................................................. 31
5.1 Preparing Cables ......................................................................................................................................................... 31
5.2 Connecting PE Cables ................................................................................................................................................ 34
5.3 Installing a WLAN Antenna ....................................................................................................................................... 37
5.4 (Optional) Installing a Smart Dongle .......................................................................................................................... 38
5.5 Connecting an AC Output Power Cable ..................................................................................................................... 40
5.6 Connecting DC Input Power Cables ........................................................................................................................... 44
5.7 (Optional) Connecting Battery Cables ........................................................................................................................ 48
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5.8 (Optional) Connecting Signal Cables ......................................................................................................................... 50
6 System Commissioning ............................................................................................................. 57
6.1 Verication Before Power- On .................................................................................................................................... 57
6.2 System Power-On ....................................................................................................................................................... 58
7 Man-Machine Interaction .......................................................................................................... 61
7.1 App Commissioning ................................................................................................................................................... 61
7.1.1 Downloading the FusionSolar App .......................................................................................................................... 61
7.1.2 (Optional) Registering an Installer Account ............................................................................................................ 62
7.1.3 eating a PV Plant and a User Cr ................................................................................................................................ 63
7.1.4 (Optional) Setting the Physical Layout of the Smart PV Optimizers ....................................................................... 63
7.2 Parameters Settings ..................................................................................................................................................... 65
7.2.1 Energy Control ......................................................................................................................................................... 65
7.2.1.1 Grid-tied Point Control ......................................................................................................................................... 65
7.2.1.2 Battery Control ..................................................................................................................................................... 68
7.2.2 AFCI ........................................................................................................................................................................ 72
7.2.3 IPS Check (for Italy CEI0-21 Grid Code Only) ....................................................................................................... 73
7.2.4 DRM (Australia AS4777) ........................................................................................................................................ 75
8 System Maintenance................................................................................................................... 77
8.1 System Power-O ....................................................................................................................................................... 77
8.2 Routine Maintenance .................................................................................................................................................. 78
8.3 Troubleshooting .......................................................................................................................................................... 78
9 SUN2000 Disposal....................................................................................................................... 87
9.1 Removing a SUN2000 ................................................................................................................................................ 87
9.2 Packing a SUN2000 .................................................................................................................................................... 87
9.3 Disposing a SUN2000 ................................................................................................................................................ 87
10 Technical Parameters ................................................................................................................ 88
10.1 SUN2000 Technical Specications .......................................................................................................................... 88
10.2 Optimizer Technical Specications .......................................................................................................................... 91
A Grid Code .................................................................................................................................... 94
B Device Commissioning ............................................................................................................. 96
C Resetting Password .................................................................................................................... 99
D Quick-break Protection ........................................................................................................... 102
E Locating Insulation Resistance Faults .................................................................................. 103
F Acronyms and Abbreviations ................................................................................................. 106
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1 Safety Information
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1
1 Safety Information
1.1 General Safety
Statement
Before installing, operating, and maintaining the equipment, read this document and observe
all the safety instructions on the equipment and in this document.
The "NOTICE", "CAUTION", "WARNING", and "DANGER" statements in this document
do not cover all the safety instructions. They are only supplements to the safety instructions.
Huawei will not be liable for any consequence caused by the violation of general safety
requirements or design, production, and usage safety standards.
Ensure that the equipment is used in environments that meet its design specications.
Otherwise, the equipment may become faulty, and the resulting equipment malfunction,
component damage, personal injuries, or property damage are not covered under the warranty.
Follow local laws and regulations when installing, operating, or maintaining the equipment.
The safety instructions in this document are only supplements to local laws and regulations.
Huawei will not be liable for any consequences of the following circumstances:
Operation beyond the conditions specied in this document
Installation or use in environments which are not specified in relevant international or
national standards
Unauthorized modications to the product or software code or removal of the product
Failure to follow the operation instructions and safety precautions on the product and in
this document
Equipment damage due to force majeure, such as earthquakes, re, and storms
Damage caused during transportation by the customer
Storage conditions that do not meet the requirements specied in this document
General Requirements
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Do not work with power on during installation.
Do not install, use, or operate outdoor equipment and cables (including but not limited to
moving equipment, operating equipment and cables, inserting connectors to or removing
connectors from signal ports connected to outdoor facilities, working at heights, and
performing outdoor installation) in harsh weather conditions such as lightning, rain,
snow, and level 6 or stronger wind.
After installing the equipment, remove idle packing materials such as cartons, foam,
plastics, and cable ties from the equipment area.
In the case of a re, immediately leave the building or the equipment area, and turn on
the re alarm bell or make an emergency call. Do not enter the building on re in any
case.
Do not scrawl, damage, or block any warning label on the equipment.
Tighten the screws using tools when installing the equipment.
Understand the components and functioning of a grid-tied PV power system and relevant
local standards.
Repaint any paint scratches caused during equipment transportation or installation in a
timely manner. Equipment with scratches cannot be exposed to an outdoor environment
for a long period of time.
Do not open the host panel of the equipment.
Personal Safety
If there is a probability of personal injury or equipment damage during operations on the
equipment, immediately stop the operations, report the case to the supervisor, and take
feasible protective measures.
Use tools correctly to avoid hurting people or damaging the equipment.
Do not touch the energized equipment, as the enclosure is hot.
1.2 Personnel Requirements
Personnel who plan to install or maintain Huawei equipment must receive thorough
training, understand all necessary safety precautions, and be able to correctly perform all
operations.
Only qualied professionals or trained personnel are allowed to install, operate, and
maintain the equipment.
Only qualied professionals are allowed to remove safety facilities and inspect the
equipment.
Personnel who will operate the equipment, including operators, trained personnel, and
professionals, should possess the local national required qualications in special
operations such as high-voltage operations, working at heights, and operations of special
equipment.
Only professionals or authorized personnel are allowed to replace the equipment or
components (including software).
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Professionals: personnel who are trained or experienced in equipment operations and are clear of the
sources and degree of various potential hazards in equipment installation, operation, and
maintenance
Trained personnel: personnel who are technically trained, have required experience, are aware of
possible hazards on themselves in certain operations, and are able to take protective measures to
minimize the hazards on themselves and other people
Operators: operation personnel who may come in contact with the equipment, except trained
personnel and professionals
1.3 Electrical Safety
Grounding
For the equipment that needs to be grounded, install the ground cable rst when
installing the equipment and remove the ground cable last when removing the
equipment.
Do not damage the ground conductor.
Do not operate the equipment in the absence of a properly installed ground conductor.
Ensure that the equipment is connected permanently to the protective ground. Before
operating the equipment, check its electrical connection to ensure that it is securely
grounded.
General Requirements
Before connecting cables, ensure that the equipment is intact. Otherwise, electric shocks or
re may occur.
Ensure that all electrical connections comply with local electrical standards.
Obtain approval from the local electric utility company before using the equipment in
grid-tied mode.
Ensure that the cables you prepared meet local regulations.
Use dedicated insulated tools when performing high-voltage operations.
AC and DC Power
Do not connect or disconnect power cables with power on. Transient contact between the core
of the power cable and the conductor will generate electric arcs or sparks, which may cause
re or personal injury.
Before making electrical connections, switch off the disconnector on the upstream device
to cut off the power supply if people may contact energized components.
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Before connecting a power cable, check that the label on the power cable is correct.
If the equipment has multiple inputs, disconnect all the inputs before operating the
equipment.
Cabling
When routing cables, ensure that a distance of at least 30 mm exists between the cables
and heat-generating components or areas. This prevents damage to the insulation layer of
the cables.
Bind cables of the same type together. When routing cables of different types, ensure that
they are at least 30 mm away from each other.
Ensure that the cables used in a grid-tied PV power system are properly connected and
insulated and meet specications.
1.4 Installation Environment Requirements
Ensure that the equipment is installed in a well ventilated environment.
To prevent re due to high temperature, ensure that the ventilation vents or heat
dissipation system are not blocked when the equipment is running.
Do not expose the equipment to ammable or explosive gas or smoke. Do not perform
any operation on the equipment in such environments.
1.5 Mechanical Safety
Using Ladders
Use wooden or berglass ladders when you need to perform live working at heights.
When a step ladder is used, ensure that the pull ropes are secured and the ladder is held
rm.
Before using a ladder, check that it is intact and conrm its load bearing capacity. Do not
overload it.
Ensure that the wider end of the ladder is at the bottom, or protective measures have
been taken at the bottom to prevent the ladder from sliding.
Ensure that the ladder is securely positioned. The recommended angle for a ladder
against the floor is 75 degrees, as shown in the following gure. An angle rule can be
used to measure the angle.
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When climbing a ladder, take the following precautions to reduce risks and ensure
safety:
− Keep your body steady.
− Do not climb higher than the fourth rung of the ladder from the top.
− Ensure that your body's center of gravity does not shift outside the legs of the
ladder.
Drilling Holes
When drilling holes into a wall or oor, observe the following safety precautions:
Wear goggles and protective gloves when drilling holes.
When drilling holes, protect the equipment from shavings. After drilling, clean up any
shavings that have accumulated inside or outside the equipment.
Moving Heavy Objects
Be cautious to avoid injury when moving heavy objects.
When moving the equipment by hand, wear protective gloves to prevent injuries.
1.6 Commissioning
When the equipment is powered on for the rst time, ensure that professional personnel set
parameters correctly. Incorrect settings may result in inconsistency with local certication and
affect the normal operation of the equipment.
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1.7 Maintenance and Replacement
High voltage generated by the equipment during operation may cause an electric shock, which
could result in death, serious injury, or serious property damage. Prior to maintenance, power
off the equipment and strictly comply with the safety precautions in this document and
relevant documents.
Maintain the equipment with sufficient knowledge of this document and using proper
tools and testing equipment.
Before maintaining the equipment, power it off and follow the instructions on the
delayed discharge label to ensure that the equipment is powered off.
Place temporary warning signs or erect fences to prevent unauthorized access to the
maintenance site.
If the equipment is faulty, contact your dealer.
The equipment can be powered on only after all faults are rectied. Failing to do so may
escalate faults or damage the equipment.
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2 Product Introduction
2.1 Overview
Function
The SUN2000-(2KTL-5KTL)-L1 is a single-phase grid-tied string inverter that converts the
DC power generated by PV strings into AC power and feeds the electricity into the power
grid.
Model
This document involves the following product models:
SUN2000-2KTL- L1
SUN2000-3KTL- L1
SUN2000-3.68KTL- L1
SUN2000-4KTL- L1
SUN2000-4.6KTL- L1
SUN2000-5KTL- L1
Figure 2-1 Model identier (using SUN2000-5KTL-L1 as an example)
Table 2-1 Identifier description
No.
Meaning
Value
1
Series name
SUN2000: grid-tied solar inverter
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No.
Meaning
Value
2
Power level
2K: The power level is 2 kW.
3K: The power level is 3 kW.
3.68K: The power level is 3.68 kW.
4K: The power level is 4 kW.
4.6K: The power level is 4.6 kW.
5K: The power level is 5 kW.
3
Topology
TL: transformerless
4
Design code
L1: residential
Networking Application
The SUN2000 applies to residential rooftop grid-tied systems. The system consists of PV
strings, grid-tied solar inverters, AC switches, and power distribution units (PDUs).
Figure 2-2 Single SUN2000 scenario (dashed boxes indicate optional configuration)
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Figure 2-3 SUN2000 cascading scenario (dashed boxes indicate optional conguration)
indicates the power ow direction, dicates the signal line, and indicates the in
wireless communication.
In the SUN2000 cascading scenario, the master and slave solar inverters are both
SUN2000-(2KTL-5KTL)-L1, and a maximum of three SUN2000s can be cascaded.
In the SUN2000 cascading scenario, only one power meter (G in the figure) can be connected to the
master inverter.
In the SUN2000 cascading scenario, the SUN2000s connected to the power grid must meet the local
power grid requirements.
(A) PV string
(B) Smart PV optimizer
(C) DC switch
(D) SUN2000
(E) AC switch
(F) Residential PDU
(G) Power meter
(H) Residential power meter
(I) Power grid
(J) Battery
(K) Battery switch
(L) Household load
(M) FusionSolar app
(N) 4G Smart Dongle
(O) WLAN-FE Smart
Dongle
(P) Router
(Q) FusionSolar Smart PV
Management System
-
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Supported Power Grid Types
The SUN2000 supports the following power grid types: TN-S, TN-C, TN-C-S, and TT. In the
TT power grid, the N- -PE voltage must be less than 30 V. to
Figure 2-4 Power grid types
2.2 Component Description
Appearance
Figure 2-5 Appearance
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(1) LED indicators
(2) Front panel
(3) Hanging kit
(4) Mounting bracket
(5) Heat sink
(6) Ventilation valve
(7) DC switch locking screw holea
(8) DC switchb (DC SWITCH)
(9) DC input terminals (PV1+/PV1 ) –
(10) DC input terminals (PV2+/PV2 ) –
(11) Battery terminals (BAT+/BAT ) –
(12) Smart Dongle port (4G/FE)
(13) Antenna port (ANT)
(14) Communications port (COM)
(15) AC output port (AC)
(16) Ground point
Note a: The DC switch locking screw is used to lock the DC switch to prevent accidental startup. It
is delivered with the SUN2000.
Note b: DC input terminals PV1 and PV2 are controlled by the DC switch.
2.3 Label Description
Enclosure Labels
Table 2-2 Enclosure label description
Icon
Name
Meaning
Burn warning
Do not touch a running
SUN2000 because the
enclosure is hot when the
SUN2000 is running.
Delayed discharge
High voltage exists
after the SUN2000 is
powered on. Only
qualified and trained
electrical technicians
are allowed to perform
operations on the
SUN2000.
Residual voltage
exists after the
SUN2000 is powered
off. It takes 5 minutes
for the SUN2000 to
discharge to the safe
voltage.
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Icon
Name
Meaning
Refer to documentation
Reminds operators to
refer to the documents
delivered the SUN2000.
Grounding
Indicates the position for
connecting the protective
earthing (PE) cable.
Operation warning
Do not remove the
connector or antenna
when the SUN2000 is
running.
Grounding warning
Ground the SUN2000
before powering it on.
Serial number (SN)
Indicates the SUN2000
SN.
Media access control
(MAC) address
Indicates the MAC
address.
QR code for logging in to
the SUN2000 WLAN
Scan the QR code to
connect to the Huawei
SUN2000 WLAN
(Android) or obtain the
WLAN login password
(iOS).
The labels are for reference only.
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Nameplate
Figure 2-6 Nameplate (using SUN2000-5KTL-L1 as an example)
(1) Trademark and model
(2) Key technical specications
(3) Compliance symbols
(4) Company name and country of origin
The nameplate gure is for reference only.
2.4 Working Principles
Schematic Diagram
The SUN2000 receives inputs from up to two PV strings. Then the inputs are grouped into
two MPPT routes inside the SUN2000 to track the maximum power point of the PV strings.
The DC power is then converted into single-phase AC power through an inverter circuit.
Surge protection is supported on both the DC and AC sides.
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The SUN2000 uses a reserved battery port for energy storage expansion. Battery performs
charging and discharging operations according to the battery working mode.
Figure 2-7 Schematic diagram
Working Mode
Figure 2-8 Working mode
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Table 2-3 Working mode description
Working
mode
Description
Standby
mode
The SUN2000 enters Standby mode when the external environment does not
meet the requirements for starting the SUN2000. In Standby mode:
The SUN2000 continuously detects its operation status. Once the
operation conditions are met, the SUN2000 enters Operating mode.
If the SUN2000 detects a shutdown command or a fault after startup, it
enters Shutdown mode.
Operating
mode
In Operating mode:
The SUN2000 converts DC power from PV strings into AC power and
feeds the power to the power grid.
The SUN2000 tracks the maximum power point to maximize the PV
string output power.
If the SUN2000 detects a shutdown command or a fault, it enters
Shutdown mode.
If the SUN2000 detects that the output power of PV strings does not
meet the requirements for grid-tied power generation, it enters Standby
mode.
Shutdown
mode
In Standby or Operating mode, if the SUN2000 detects a shutdown
command or a fault, it enters Shutdown mode.
In Shutdown mode, if the SUN2000 detects that the fault is rectied or
the startup command is executed, the SUN2000 enters Standby mode.
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3 SUN2000 Storage
The following requirements should be met if the SUN2000 is not put into use directly:
Do not unpack the SUN2000.
Keep the storage temperature at 40°C to +70°C and the humidity at 5% 95% RH. – –
The product should be stored in a clean and dry place and be protected from dust and
water vapor corrosion.
A maximum of eight SUN2000s can be stacked. To avoid personal injury or device
damage, stack SUN2000s with caution to prevent them from falling over.
During the storage period, check the SUN2000 periodically. (It is recommended that the
check is performed every three months.) Replace the packing materials that are damaged
by insects or rodents in a timely manner.
If the SUN2000 has been stored for more than two years, it must be checked and tested
by professionals before being put into use.
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4 System Installation
4.1 Checking Before the Installation
Checking Outer Packing
Before unpacking the SUN2000, check the outer packing for damage, such as holes and
cracks, and check the SUN2000 model. If any damage is found or the SUN2000 model is not
what you requested, do not unpack the package and contact your dealer as soon as possible.
You are advised to remove the packing materials within 24 hours before installing the
SUN2000.
Checking Deliverables
After unpacking the SUN2000, check that the deliverables are intact and complete. If any
item is missing or damaged, contact your dealer.
For details about the number of accessories delivered with the SUN2000, see the in the Packing List
packing case.
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4.2 Preparing Tools and Instruments
Type
Tools and Instruments
Installa
tion
Hammer drill (with a drill
bit of 8 mm)
Torque socket wrench
Torque wrench
Diagonal pliers
Wire strippers
Torque screwdriver
Rubber mallet
Utility knife
Cable cutter
Crimping tool (model:
PV-CZM-22100)
Disassembly and Assembly Tool
(model: Staubli 13001462)
Cable tie
Vacuum cleaner
Multimeter (DC voltage
measurement range ≥ 600 V DC)
Marker
Steel measuring tape
Level
Hydraulic pliers
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Type
Tools and Instruments
Heat-shrink tubing
Heat gun
-
Person
al
protecti
ve
equipm
ent
(PPE)
Safety gloves
Safety goggles
Anti-dust mask
Safety boots
-
-
4.3 Determining the Installation Position
Basic Requirements
The SUN2000 is protected to IP65 and can be installed indoors or outdoors.
Do not install the SUN2000 in a place where personnel are easy to come into contact
with its enclosure and heat sink, because these parts are extremely hot during operation.
Do not install the SUN2000 near ammable or explosive materials.
Do not install the SUN2000 at a place within children's reach.
The SUN2000 will be corroded in salt areas, and the salt corrosion may cause re. Do
not install the SUN2000 outdoors in salt areas. A salt area refers to the region within 500
meters from the coast or prone to sea breeze. The regions prone to sea breeze vary with
weather conditions (such as typhoons and monsoons) or terrains (such as dams and hills).
Installation Environment Requirements
The SUN2000 must be installed in a well-ventilated environment to ensure good heat
dissipation.
When the SUN2000 is installed under direct sunlight, the power may be derated due to
the temperature rise.
You are advised to install the SUN2000 in a sheltered place or install an awning over it.
Produktspecifikationer
| Varumärke: | Huawei |
| Kategori: | Inte kategoriserad |
| Modell: | SUN2000L 4KTL-L1 |
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