yThis product have potential danger such as death or serious injury by re, high voltages or explosion if
appropriate precautions are not read or fully understood.
yDo not place ammable or potentially explosive objects near the product.
yDo not place any kind of objects on top of the product during operation.
y All work on the PV modules, power conditioning system, and battery system must be carried out by
qualied personnel only.
yElectrical installations must be done in accordance with the local and national electrical safety standards.
yWear rubber gloves and protective clothing (protective glasses and boots) when working on high voltage/
high current systems such as PCS and battery systems.
Indicates a potentially dangerous situation. Death or serious injury may result
if appropriate precautions are not taken.
yThere is a risk of electric shock. Do not remove cover. There is no user serviceable parts inside. Refer
servicing to qualied and accredited service technician.
yElectrical shock hazard. Do not touch uninsulated wires when the product cover is removed.
yIn the event of fault, the system must not be restarted. Product maintenance of repairs must be
performed by qualied personnel, or personnel from an authorized support center.
CAUTION
yThis product is intended for residential use only and should not be used for commercial or industrial.
yBefore testing electrical parts inside the system, it takes at least 10-minute standby period of time to
complete discharging the system.
yThe contents included in this box are power conditioning system and its accessories, and the entire weight
amounts to over 34 kg. Serious injury may occur due to the heavy weight of the product. Therefore,
special care must be taken in handling. Make sure to have at least two persons deliver and remove the
package.
yDo not use the damaged, cracked or frayed electrical cables and connectors. Protect the electrical cables
from physical or mechanical abuse, such as being twisted, kinked, pinched, closed in a door or walked
upon. Periodically examine the electrical cables of your product, and if its appearance indicates damage
or deterioration, discontinue use of this product, and have the cables replaced with an exact replacement
part by a qualied personnel.
Indicates a situation where damage or injury could occur. If it is not avoided,
minor injury and/or damage to property may result.
Getting Started3
NOTE
CAUTION
yEnsure that you connect the earth ground wire to prevent possible electric shock. Do not try to ground
the product by connecting it to telephone wires, lightning rods or gas pipes.
yThe product should not be exposed to water (dripping or splashing) and no objects lled with liquids, such
as vases, should be placed on the product.
yTo prevent re or electric shock hazard, do not expose this production to rain or moisture.
yDo not block any ventilation openings. Ensure reliable operation of the product and protect it from over
heating. The openings shall never be blocked by placing any object on this product.
yThe temperature of metal enclosure may be high during operation.
yIn order to avoid radio-interference, all accessories (like a smart meter) intended for connection to
the product shall be suitable for use in residential, commercial and light-industry areas. Usually this
requirement is fullled if the equipment complies with the class B limits of EN55022.
yThe product must be disposed of according to local regulations.
yThe electrical installation of this unit must only be performed by electricians or technicians, qualied to
install PCS.
yDanger of damaging the PCS by overload. Only connect the proper wire to DC terminal block. Refer to the
installation wiring diagram for details.
Indicates a situation where damage or injury could occur. If it is not avoided,
minor injury and/or damage to property may result.
1
Getting Started
yConnect the DC+ and DC- cables to the correct DC+ and DC- terminals on the product.
yDo not step on the product or the product package. The product may be damaged.
yDo not dispose of batteries in a re. The batteries may explode.
yDo not open or damage batteries. Released electrolyte is harmful to the skin and eyes. It may be toxic.
yA battery can present a risk of electrical shock and high short-circuit current. The following precautions
should be observed when working on batteries.
a) Remove watches, ring, or other metal objects.
b) Use tools with insulated handles.
c) Wear rubber gloves and boots.
d) Do not lay tools or metal parts on top of battery.
Indicates a risk of possible damage to the product.
yBefore making connections, please make sure the PV array open circuit voltage is within 800 V. Otherwise
the product could be damaged.
yNever use any solvents, abrasives or corrosive materials to clean this product.
yDo not store on or place against any objects to the product. It may cause serious defects or malfunction.
yBefore making a connection, make sure the PV switch on this product is switched off.
yThis unit is designed to feed power to the public power grid only. Do not connect this unit to an AC
source or generator. Connecting the product to external devices could result in serious damage to your
equipment.
yServing of batteries should be performed or supervised by personnel knowledgeable about batteries and
the required precautions.
4Table of Contents
Table of Contents
Getting Started
Safety Information ...................................................................2
Product Features .....................................................................6
This product is intended to store direct current (DC) electricity generated from photovoltaic (PV) to the
connected Lithium-Ion Battery, and convert direct current (DC) electricity from the connected battery to
alternating current (AC) electricity and feed this into the power grid.
Getting Started
PV array
Smart Meter
Power Grid
AC Grid
Distribution Box
PCS
Battery
(AC circuit breaker)
The electricity generated from a PV array can be stored to the connected battery or sold to energy supply
companies.
yDC-Coupled ESS
LG ESS can achieve higher system efciency due to simpler power conversion process.
yThree-Phase Connection
3-phase connection secures phase balancing.
ySmart Management
With built-in Smart PMS, it analyses PV generation and load consumption and implements to charge and
discharge immediately. Also it monitors main system & battery conditions to maintain its stable condition
always.
yWeb-monitoring Service
Customers and installers can monitor their ESS with various devices such as PC, tablet or smart phones.
yEasy System Setup
With 7” touch-screen, installer does not need a PC for system installation. Touch screen UI allows installer to
set-up, pre-test and monitor system.
Symbol used on the label
LabelSymbolDescription
Direct current input
Three phase four wire alternating
current conductor
This product is protected against
insertion of ngers and will not
IP21
damaged during a specied test
in which it is exposed to vertically
dripping water.
This product should not be disposed
of with other household waste.
Disposal regulations should be
observed in this country.
Getting Started7
1
Getting Started
Caution, risk of danger
Refer to the installation manual or
operating manual.
Caution, hot surface
Caution, risk of electric shock,
energy storage timed discharge
The relevant equipment complies
with the requirements in the EC
guidelines.
The relevant equipment complies
with the requirements of IEC
62109-1, IEC 62109-2.
The relevant equipment complies
with the requirements of EN
61000-6-3.
Getting Started8
Abbreviations on this manual
AbbreviationDesignationExplanation
ESSEnergy Storage SystemInverter system that stores energy into a battery and uses it.
1
Getting Started
PCSPower Conditioning
System
PVPhotovoltaicSolar panel system that converts solar energy into direct
SOCState of chargeCurrent state of a battery
BMSBattery Management
System
DCDirect Current-
ACAlternating Current-
DHCPDynamic Host
Conguration
Protocol
LANLocal Area NetworkNetwork that interconnects computers within a limited area.
IPInternet ProtocolA set of rules for sending data across a network
A device intended to convert DC electricity generated from PV
system to AC electricity and feed it to household appliances.
current electricity
Electronic system that manages a rechargeable battery.
Standardized network protocol used on Internet Protocol (IP)
networks for automatic distributing network conguration
parameters, such as IP addresses for interfaces and services.
Glossary
TermsExplanation
AzimuthIn the Northern hemisphere, the azimuth angle indicates by how much degrees the
module surface deviates from a full south aspect. In the southern hemisphere, it indicates
the deviation from a full north aspect. The azimuth angle is counted with positive values
within the range from south (0°) to west (90°) and it counted with negative values within
the range from south (0°) to east (-90°).
Tilt angleThe tilt angle indicates by how much degrees the tilt of the module surface deviates from
the horizontal.
PV module The PV module refers to a panel designed to absorb the sun’s rays as a source of energy
for generating electricity.
PV arrayTechnical device for the conversion of solar energy into electrical energy. All serial and
parallel installed and connected to PV modules of a PV system are referred to as a PV
array.
Unpacking
Contents of this product
Getting Started9
1
Getting Started
Power conditioning system (1EA)Installation Manual and
Operating Manual (1EA each)
Middle wall bracket (1EA)BMS cable (3m, 1EA)
Additional components for installation
Applied toAdditional Components
yStainless steel screws with diameter 6 mm - 8mm
Wall mounting
yAnchors
Upper wall bracket (1EA)
PV connections
Battery Connections
Power grid connections
Smart meter and internet
connections
yMC4 connectors
2
yLead wires with the cross-sectional area 2.5 mm
yLead wires with the cross-sectional area 2.5 mm
yWire-end-ferrules
yLead wires with the cross-sectional area 2.5 mm
green stripe cable)
yM4 size screws with spring washer
yTin plated round terminals with 4.0 mm or 4.5 mm of inner diameter
yWire-end-ferrules
yLAN cable
yRJ-45 plug
ySmart meter cable
- 6 mm
2
- 4 mm
2
- 6 mm2 (including yellow
2
2
1
Getting Started
Getting Started10
Name of each part
Front and Rear
E
A
B
C
D
Front Cover
A
LCD touch panel
B
LED Indications
C
Lower Cover
D
LED indications
Upper bracket connected part
E
Lower bracket connected part (Left)
F
Lower bracket connected part (Right)
G
Lower wall bracket
H
Power Solar Battery
F
G
H
Off
Green
Red (Blink)
Blue
PowerSolarBattery
Power grid is not connected.
Power grid is connected.Energy is being generated.Battery is in charging
-FaultFault
--Battery is in discharging
Energy is not being
generated.
Battery is in stop mode
Lower parts
Getting Started11
ABCDEFG
PV switch (DC Disconnect)
A
PV1(+ and -) connectors
B
PV2 (+ and -) connectors
C
Battery DC cable gland
D
OFFON
BMS control connector
E
Meter/LAN cable gland
F
AC grid cable gland
G
1
Getting Started
Inner parts (lower cover opened)
OFFON
ABCDEFG
Power Switch
A
Buzzer
B
RESET button
C
USB port
D
E
F
G
Ethernet port
Smart Meter connector
PCS port
12Installation
Choice of location
Mounting Location
2
Installation
yThis product is designed to be installed indoor use only. Do not
install this product outdoor.
yInstall this product on the place where PV cables, smart meter
cables, grid cables and battery cables are easily accessible.
yThis product is designed to be installed on the wall only. Do not
install this product on the ground.
yThe mounting surface must be able to support the weight of this
product (34 kg).
yDo not install the product on the ceiling.
yDo not install the product widthwise or install on a wall with lean
more than 10 degrees.
yDo not install the product tilting forward.
yInstall the product the connection side down.
yAppropriate operating temperature is from 0° C to 40° C.
yDo not install this product in the place exposed to the direct
sunlight.
yInstall the product in a clean, cool room.
This product must not be installed or used at altitudes above 2 000 m.
Do not install this product in places where ooding frequently occurs.
Installation
yDo not install this product to highly humid area such as bathroom.
yThis product generates low levels of noise at certain times, it should not be installed
close to living areas.
yNoise level may differ depending on the installed location.
yDo not install the product where there is vibration.
yDo not install this product in a place with ammonia, corrosive vapours, acids or salts.
yInstall this product out of reach from children and pet.
13
Do not install this product in places and environments subject to heavy build-up of dust.
Minimum clearance
300 mm
300 mm
300 mm
1000 mm
2
Installation
This product must be installed with clearance at the
left, right, top, bottom and front of the product as
shown in the gure.
Only the battery can be installed at the bottom
clearance space of the product. If you install the
battery unit at the bottom clearance space, leave the
clearance space between the battery and the product
more than 300 mm.
14Installation
NOTE
Wall Mounting
This product must be installed on the wall considering appropriate environments described in previous pages.
Follow the mounting instruction described below exactly and securely.
2
Installation
A
B
Disassemble the lower wall bracket from the
product.
Place the upper wall bracket on a wall where
meets every installation conditions and
clearance.
And indicate the positions to drill using a pencil
or the like. And drill holes on the indicated
positions.
WARNING
It is important to ensure the drilling locations
are not located on any electrical wiring within
the wall.
C
When attaching the wall bracket to a wall,
adjust the horizontal level using inclinometer.
Fix the upper wall bracket with screws and
anchors.
NOTE
yBefore xing the bracket screws, check
the horizontal level once again using
inclinometer.
yDepending on the surface, different screws
and anchors may be required for installing
the wall bracket. Therefore, these screws
and anchors are not content of the product.
The system installer is responsible for
selecting the proper screws and anchors.
yIt is recommended to use stainless steel
screws with diameter of 6-8 mm.
Installation
15
D
E
F
Assemble the upper wall bracket and middle
wall bracket and x it with screw.
Assemble the lower wall bracket and middle
wall bracket. And indicate the positions to drill
using a pencil or the like.
After making indications, disassemble the
lower wall bracket.
2
Installation
Drill holes on the indicated positions and
attach the anchors.
WARNING
G
It is important to ensure the drilling locations
are not located on any electrical wiring within
the wall.
NOTE
When attaching the wall bracket to a wall,
adjust the horizontal level using inclinometer.
Assemble the lower wall bracket and middle
wall bracket. And x the lower wall bracket
with screws.
NOTE
yBefore xing the bracket screws, check
the horizontal level once again using
inclinometer.
yDepending on the surface, different screws
and anchors may be required for installing
the wall brackets. Therefore, these screws
and anchors are not content of the product.
The system installer is responsible for
selecting the proper screws and anchors.
yIt is recommended to use stainless steel
screws with diameter of 6-8 mm.
16Installation
2
Installation
H
I
Hang this product to the upper wall bracket.
Make sure that at least two persons work
together to move the product.
Check the screw holes at the bottom are
matched with lower bracket holes correctly.
And x the product with screws removed from
the lower wall bracket in step 1.
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