Panasonic LJ-NA02 User manual

User's Manual
Lithium-ion Storage Battery System
Model No. LJ-SK84A
Network Adaptor
Model No. LJ-NA02
- Thank you for purchasing a Panasonic product.
Please read this User's Manual thoroughly before operating the system.
For future reference, please keep this manual in a safe place.
- For disposal, please contact your Household Hazardous waste depot.
Table of Contents
Safety Precautions ............................................... 2
1. How the System Works ................................. 4
2. System Overview........................................... 8
3. Control Panel................................................. 9
4. Start and Stop Operation............................. 10
5. Switching between Grid Operations and
Back-up Operations......................................11
6. Display Modes ............................................. 12
7. Date/Time Display and Setting .................... 13
8. User Setting................................................. 15
9. Settings Overview........................................ 20
10. Inspection and Maintenance........................ 22
11. Troubleshooting ........................................... 26
12. Specications............................................... 28
13. Warranty ..................................................... 30

2
● Toreducetheriskofpersonalinjury,injurytoothersandpropertydamage,alwaysobservethesafety
precautionsdescribedbelow.
● Thisproductisanimportantresource.Besuretoinspectitappropriatelyandobservethesafetyprecautions
setforthbelow.
● Weshallnotbeinanywayliableforanyaccidentsormalfunctionsresultingfromfailuretoobservethese
precautions.
Thelevelsofdangeranddamagethatmayresultwhentheproductisinstalled
incorrectlyareclassiedandindicatedasshownbelow.
Thissymboldenotesinformationthat,ifnotobservedcorrectly,canresultin
seriousinjuriestopersonnel.
Thissymboldenotesactionsthatmayresultinminorinjuryand/orproperty
damage.
Instructionsthatmustbeobservedareindicatedbythefollowinggraphical
symbols.
Thissymboldenotesanaction
thatisprohibited.
Thissymboldenotesactions
thataremandatory.
Prohibited
■ Donotmodifyordisassembletheproduct.
Doingsomayresultinre,electricshock,short-circuitorfailure.
■ Donotremovethefrontlidoftheproduct.
Doing so may result in electric shock, injury or failure.
■ Donotclimbonorhangfromtheproduct.
Doing so may result in injury or failure.
■ Donottouchtheproductinhazardousconditionssuchasoodingorlightning.
Doing so may result in electric shock, injury or burns.
■ Donotsubjecttheproducttoimpacts,shocksorvibrationscausedbysuchasvehiclepassing,
machine operating, dropping, kicking or acts of vandalism.
Doingsomayresultinreorfailure.
■ Ifgasisproducedfromtheproduct,donotapproachituntilthegasisremoved.
Doing so may result in burns or injury.
■ Ifyouhaveapacemakerorotherimplantedmedicaldevice,donottouchorgowithinthereachofthe
product.
Some implants (e.g. a pacemaker) may be affected by the product.
■ Donotplacehazardoussolidsubstancesneartheproduct.Donotplaceoruseammablesolvents
such as gasoline and benzene near the product.
Doingsomayresultinreorfailure.
■ Donotuseammablegasessuchasinsecticidesneartheproduct.
Doingsomaycausethegasestoignite,resultinginburnsorre.
■ Donotinsertyourhandsorforeignobjectsintotheventholes.
Doing so may result in injury, electric shock or failure.
■ Donotusedevicesthatgenerateheatorsteamneartheproduct.
Doingsomayresultinreorfailure.
■ Donotpourwaterontheproductorwashtheproductbyhose.
Doing so may result in failure.
■ Donotbumpvehiclesagainsttheproduct.
Doingsomayresultinreorfailure.
SafetyPrecautions

3
Mandatory
■ Intheeventofthefollowing,stopoperatingandswitchOFFtheprotectiondevicesfortheproduct
inside the distribution board.
Continuedusemayresultinfailure,electricshockorre.
Contact the service/inquiry counter where you purchased/contracted this product.
• Emergencysituationssuchasamajorearthquakeorre
• Whenthesystemissubmergedinwater
• Whenthesystemisemittingsmoke,strangeodoursorgeneratingabnormalsounds
• Whentheearthleakagebreakerintheresidentialdistributionboardisactivatedfrequently.
• Whenthedefectiveappearancecausedbyimpactsuchasavehiclecollision.
■ Ifthebatteryelectrolyteisleaking,donottouchtheliquidwithbarehands.Iftheelectrolytecomesinto
contact with your hands, wash them immediately with clean water. The electrolyte solution can cause
damage to the skin or cause blindness in the eyes. Seek medical attention immediately.
Prohibited
■ Unlessrequired,refrainfromtouchingtheproductwhileitisoperating.
Do not touch the product while it is operating since it may be hot. Doing so may result in burns. Use
extra caution if you have small children and/or elderly family members.
■ Donotplaceobjectsontopoftheproduct.
Thereisariskoftheobjectscatchingrefromtheheatgeneratedduringtheoperation.
■ Donotputstickersontheproduct.
Doing so may result in failure because of rising temperature of the product.
■ Donotexposetoexcessivesteam,oilvapour,smoke,dust,corrosivesubstances,explosive/
ammablegases,chemicals,reorexhaustgasfromvehicles.
There is a possibility that the products of degradation progress.
Mandatory
■ Allowsufcientspace(atleastbelowlengths)aroundtheproductforheatdissipation.
(Upper 200mm Right 50mm Left 200mm Front 800mm Back 50mm)
Failingtodosomaycausetheinsidetemperaturetoriseexcessively,resultinginre,failureorshorter
product life.
Back-upoperation
Prohibited
■ Donotplugthefollowingelectricequipmentintotheoutputconnectedtotheback-upsocket:
• Anymedicaldevicesorsecurityequipment
• Equipmentsthatmightloseinformationduringpowerfailuresuchasdesktopcomputer.
• Keroseneheatersoranyheatingequipmentthatstartsautomaticallywhenthepowersupplyisrestored.
The product will stop operating when the power consumption of the electrical equipment plugged into the
outlet connected to the back-up socket exceeds the maximum output power of the product.
Never connect any electrical equipment that may pose a threat to human life or properties in the event
of a power failure.
Mandatory
■ InspecttheproductasdescribedintheUser'sManual,andstarttheback-upoperationafterverifying
that the product and the electrical equipment to be connected to the back-up socket are in a safe
condition.
■ Immediatelystopoperatingifsmoke,strangeodoursorabnormalsoundsareproducedfromthe
product or the electrical equipment connected to the back-up socket after starting the back-up
operation.
SafetyPrecautions

4
1.HowtheSystemWorks
This product can be used as a remote-control system (the utility power company controls charging/discharging) or a
stand-alone system (the storage battery system operates by itself).
Servers operated by Utility
LAN
LJ-NA02
Broadband
router
Internet
Grid
LJ-SK84A
Control commands for
charging/discharging
Remote-control
system
Stand-alone
system
RS485
External Server
1-1 Remote-controlsystem
In remote-control system, the product controls the charging and discharging in accordance with the remote control
commands which are determined by the programs in the utility power servers. The system operates identically to a
stand-alone system during periods when there are not any control commands from the utility.
Control commands
from the utility
operate the system.
Stand-alone
system operates
by itself.
Control commands
from the utility
operate the system.
Remote-control
commands
Storage battery
system
ON
OFF
* Operating remote-control system requires a network adaptor (LJ-NA02) and network environments to access the server of the
utility power company.
* With the remote-control system, the storage battery system operates giving priority to control commands from the utility.
* Select an operation mode when operating the stand-alone system. For details, see the explanation of 1-2 stand-alone system.
* As for the operations of the storage battery system via the programs of the server of the utility, contact the utility you are
contracted with.
* Inordertocorrecttheremainingbatterylevel,charginganddischargingoperationarestoppedonceaday(From3:00to3:30),
except in the backup mode operation.

5
1-2 Stand-alonesystem
Stand-alone system has three operation modes determined by the way the storage battery is used, the maximum self-
consumption mode, programmed charge/discharge time mode, and back-up mode. Select an operation mode to use
the storage battery. See 8-2 to see how to select.
* If you are a user of the remote-control system, the stand-alone system operates when the programs are not issuing control
commands. The operation mode needs to be set.
* Inordertocorrecttheremainingbatterylevel,charginganddischargingoperationarestoppedonceaday(From3:00to3:30),
except in the backup mode operation.
Maximumself-consumptionmode
• TheproductworksinharmonywithPVgeneration.
• Bystoringexcesselectricityintheproductduringtheday,cleanenergycanbeusedaroundtheclockevenafter
the sun goes down. This allows not only for the maximum utilization of clean energy, but also reduces the user’s
electricity bills.
* Energyisnotsoldtotheutilitywhiletheproductisdischarging.
Programmedcharge/dischargetimemode
• Thecustomercansetthechargeordischargetimeontheproductdirectly.Thebatterywillbechargedor
discharged only during this designated time. At other times it will not be charged or discharged.
* Energyisnotsoldtotheutilitywhilethestoragebatteryisdischarging.
* Set the charging/discharging duration. See 8-4 to see how to set it.
Back-upmode
• Alwayschargethestoragebatteryuntilitisfullycharged,afterithasbeencompletelychargeditisinstandbyin
preparation for a power failure.
1-3 Back-upoperation
When power fails, the product can supply electrical power to the Back-up socket.
* Switch the operation mode manually to back-up operation when power fails. Switch the operation mode manually to grid
operation when the power comes back on. For details, see Chapter 5.
* Back-up operating time is dependent on the "battery remaining" and "connected load". See Chapter 8-3.
NOTICE:
* This is not an UPS (Uninterruptible Power Supply).
* Thedegreeofdeteriorationandtheremainingamountofbatteryinuencepowersupplytime.
* Back-up socket can not be used during Grid Operation.
* Theamountofelectricitythatcanbeusedinback-upsocketisthemaximum1kVA.
* Ifmaximumpowersupplyinback-upsocketismorethan1kVA,powersupplywillstop.
* The low power factor equipment will not work.
* Power supplied from this product is not completely same as the commercial power supply.
* When the battery level reaches zero, the "Buck-up" operation will automatically stop.
The operating state of dimming lights may differ in the case of operating in grid mode and in the case of operating in back-up
mode.
The following equipments are supposed to be connected to the Back-up socket.
* LEDlightbulb/Florescentdesklamp/Incandescentlamp
* Modem
* Router
* Cellular telephony/Smart phone/Tablet computer
* PortableTV/Radio

6
1-4 Operationaltemperatures
Battery Storage Systems MUST be installed in a location NOT exposed to direct sunlight continuously in regions
where the minimum/maximum monthly mean temperature is always less than +40°C and greater than 0°C.
Regions/site locations that do not meet both requirements are not suitable for Battery Storage Systems.
On the odd occasions when the temperature exceeds +40°C or falls below -0°C, the battery storage system
automatically gives high priority to preserving battery health by reducing battery output and extending the battery
charging time.
When these temperatures are exceeded, the battery storage system automatically shuts down.
Battery Storage System operation is automatically restarted when its safe to do so.
Charge/Discharge rate
Site temperature [°C]
Customer Site
Usable capacity
[kW] [kWh]
0°C
0°C
+40°C
Min Temp
Max Temp
2
8
40°C
Usable capacity [kWh]
Discharge rate [kW]
Charge rate [kW]

7
1-5 BatteryCapacity
Battery capacity (SOH)*1 over 10 years.
A batteries capacity to maintain its charge 'State of Health' (SOH) slowly decreases over time due to the charging &
discharging process.
The following chart shows typical SOH decrease.
[ time ]10 years0 years
4:00h
Discharge
time *2
*1 : SOH = State of Health
*2 : at 25°C, 1 cycle/day
<
2:24h
8kWh
Usable
capacity *2
<
4.8kWh
100%
SOH *1
<
60%
1-6 BatteryChargeandDischargecycles
A'onecharge/dischargecycle'denitioniswhenthebatteriesovera24hourperiodaredischargedtotheirminimum
remaining battery level then re-charged to their maximum remaining battery level. This is the recommended and
factory default known as 'Maximum Self consumption Mode'.
We do not recommend charge/discharge mode that exceed the one per day cycle (i.e multiple daily full charge/
discharge) as the battery charge capacity will fall below 60% sooner than 10 years.

8
2.SystemOverview
Servers operated by Utility
Broadband
router
External Server
1Φ2W 230V
1Φ2W 230V
1Φ2W 230V
Back-up Socket-outlet
1Φ2W 230V
CT
Meter
In Your House
Distribution board
LAN
LJ-NA02
Internet
Grid
LJ-SK84A
RS485
LJ-SK84A:Lithium-ionStorageBatterySystem
This system is equipped with three battery modules. This product incorporates a network adaptor that is connected to
the external server of the utility via the Internet.
This system automatically updates its charging/discharging schedule based on instructions from the utility.
In the event of a power failure, you can use the stored electrical power via a Back-up Socket-outlet.
LJ-NA02:NetworkAdaptor
The network adaptor facilitates the communications between the demand response server and the lithium-ion storage
battery system (LJ-SK84A) to update the charging/discharging schedule and/or send information on the state of the
stored electrical power.

9
3.ControlPanel
Controlpanel
Indicators
(3) (2)(1) (4) (5) (6) (7) (8)
Character display Operation Buttons
Front lid
LJ-SK84A
Base
cover
Indicators
Number Name State Description
(1) ALARM
Blinking red Error
Blinking green Date/time or Charging/Discharging
Schedule not set
Off No error
(2) GRID
Lit orange Power failure
Blinking green Waiting for power restoration
Lit green Grid in the normal state
(3) BATTERY
Lit green Discharging
Blinking green
Discharging (battery remaining is low)
Lit orange Charging
Blinking orange On standby due to out of range
temperature
Off Charging/Discharging stopped
(4) MODE
Lit green Grid-connected
Blinking green Grid-connected(output restriction)
Lit orange Back-up mode
Blinking orange Back-up (output restriction)
Off Stopped
LED
OperationButtons
Number Name State Description
(5)
ON/OFF
•
CANCEL
During operation Press for one second to start/stop the operation.
During setting Cancel the setting and return to the previous state.
During error Press for three seconds to clear the error. (* [UXXX] error only)
(6)
CLOCK
•
▼
During operation Display the current date/time.
Press for three seconds to enter the date/time setting mode.
During setting Change the setting item and/or setting value.
(7)
DATA
•
▲
During operation
The charging/discharging power, remaining battery level and operation mode
are displayed in a cycle.
Thecharging/dischargingpowerisalwaysdisplayedafterveminutesof
inactivity.
During setting Change the setting item and/or setting value.
(8)
MENU
•
ENTER
In operation Press for one second to enter the user setting mode.
During setting Conrmtheselecteditemorsetting.

10
4.StartandStopOperation
4-1.StoppingaGridOperation
• Whentheproductisstoppedwhilethegridisinanormalstate,thecontrolpaneldisplaywillchangeto.
• Pressingthe"ON/OFF(CANCEL)"foronesecondinstatewill start the grid operation and display the charging/
discharging power as in .
• Whilethebatteryischarging/discharginginstate,pressingthe"ON/OFF(CANCEL)"foronesecondwillstop
the charging/discharging; and will be displayed.
Stopped (Grid-connected) In operation (Grid-connected)
1 sec
1 sec
4-2.StoppingaBack-upOperation
• Whentheproductisstoppedduringpowerfailure,thecontrolpaneldisplaywillchangeto.
• Pressingthe"ON/OFF(CANCEL)"foronesecondinstatewill start the back-up operation and display the
charging/discharging power as in .
• Whilethebatteryischarging/discharginginstate,pressingthe"ON/OFF(CANCEL)"foronesecondwillstop
the charging/discharging; and will be displayed.
Stopped (Back-up) In operation (Back-up)
1 sec
1 sec
* Ifyouenablethechildlockfunction,theswitchingoperationsdescribedabovewillchangefrompressing"ON/OFF(CANCEL)"
foronesecondtopressing"ON/OFF(CANCEL)"+"MENU(ENTER)"togetherforonesecond.
See 8-6 Child Lock Setting for details.

11
5.SwitchingbetweenGridOperationsandBack-upOperations
5-1.SwitchingfromGridOperationtoBack-upOperation
• Whenpowerfailsduringagridoperation,thecontrolpaneldisplaywillchangeto. The GRID Indicator will light
uporangeand[E020](Lowgridvoltage)willappear,indicatingpowerfailing.(Othererrorcodesmaybedisplayed
depending upon the system status.)
A blinking power display indicates that the operation mode needs to be switched from grid to back-up.
• Pressingthe"ON/OFF(CANCEL)"foronesecondwillstoptheoperation;andthecontrolpaneldisplaywillchange
to .
• Pressingthe"ON/OFF(CANCEL)"foronesecondinastoppedstatewill start the back-up operation; and the
operation and the control panel display will change to .
In operation (Grid-connected) Stopped (Back-up) In operation (Back-up)
1 sec 1 sec
5-2.SwitchingfromBack-upOperationtoGridOperation
• Whenthegridbecomesnormalduringback-upoperation,thecontrolpaneldisplaywillchangeto. The GRID
Indicator indicating the grid state will light or blink in green and [PF] will disappear.
A blinking power display indicates that the operation mode needs to be switched from back-up to grid.
• Pressingthe"ON/OFF(CANCEL)"foronesecondwillstoptheback-upoperation;andthecontrolpaneldisplaywill
change to .
• Pressingthe"ON/OFF(CANCEL)"againforonesecondwillstartthegridoperation;andthecontrolpaneldisplay
will change to .
In operation（Back-up）Stopped (Grid-connected) 
In operation (Grid-connected)
1 sec 1 sec

12
6.DisplayModes
6-1 NormalState
• Thisproducthasthefollowingthreemodeviews:Normal state, Remaining battery level, and Operation
mode.
• TheNormal state displays the operating status of the system (stopped, grid operation, back-up operation, etc.)
as well as error codes in the event of system problems.
• TheRemaining battery level displays the current remaining capacity of the storage battery.
• TheOperation mode view displays the currently selected operation mode (Maximum self-consumption mode /
Programmed charge/discharge time mode / Back-up mode).
• Press“DATA(▲)”toswitchbetweenthedisplaymodes.
* Remaining battery level and Operation mode views automatically return to the Normalstateafterveminutesof
inactivity.
* The mode views can be switched while the system is operating or stopped.
Normal state Remaining battery level Operation mode
Display of the status of battery
SELF: Maximum self-consumption mode
ProG: Programmed charge/discharge time mode
bu: Back-up mode
rc: Remote control
Depending upon the battery’s
condition the battery might
not be able to be discharged
down to 0%.
Thefollowinginformationisdisplayedinthenormalstate:
Stopped (Grid-connected)
Stopped via User’s command.
If“ON/OFF(CANCEL)”is
pressed for one second,
the system will start the grid
operation.
Generation with
Inspection notice
System shows the Inspection
notice. Period until inspection
added.
(See 10-3)
Stopped (Back-up)
Stopped via User’s command.
”PF”willdisplay.
If“ON/OFF(CANCEL)”is
pressed for one second, the
system will start the back-up
operation.
In operation (Back-up)
The system in back-up
operation, indicates output
powerand“PF”.
If“ON/OFF(CANCEL)”is
pressed for one second, the
system will stop.
In operation (Grid-connected)
The system in grid operation
display indicates charge or
discharge power.
If“ON/OFF(CANCEL)”is
pressed for one second, the
system will stop.
Error
The system has abnormally
stopped and indicates error
mode(F/H/U/P/E)andcode.

13
7.Date/TimeDisplayandSetting
7-1 Date/TimeDisplay
• Press"CLOCK(▼)"inthenormalstatetocheckthecurrentdate/time.
• Thecurrentyear=>month/day=>hour/minutewilleachbedisplayedfortwoseconds.
• Thecontrolpaneldisplaywillautomaticallyreturntothenormalstateafterdisplayingthecurrenthour/minute.
* Thisproductusesthedate/timedatatocontrolthecharging/dischargingandtone-tunethestoragebattery.Abnormal
operations may result if the date/time is incorrect. Be sure to check the date/time setting on a periodic basis.
* If there is an error between the date/time setting and the actual date/time, refer to 7-2 Date/Time Setting to set the date/time
correctly.
Normal state
Automatic
Month/Day
Year
Hour/Minute
Automatic
Automatic
Date/Time

14
7-2 Date/TimeSetting
• Press"CLOCK(▼)"forthreesecondsinthenormalstatetoswitchtothedate/timesettingmode.
• Eachtimeyoupress"Menu(ENTER)",theactiveitemwillchangeintheorderofyear=>month=>day=>hour=>
minute.
The active setting value blinks.
• Press“DATA(▲)”and“CLOCK(▼)”tochangethevalueoftheblinkingdigit.
• Settheminuteandpress"MENU(ENTER)"tocompletethedate/timesetting.
• Oncethedate/timesettingiscomplete,thesetdate/timedatawillbedisplayedintheorderofyear=>month/day
=>hour/minutefortwosecondseachandthenthenormaldisplaywillbeautomaticallyreturnedto.
* Thisproductusesthedate/timedatatocontrolthecharging/dischargingandtone-tunethestoragebattery.
Abnormal operations may result if the date/time is incorrect. Be sure to set the date/time accurately.
* If not linked with the network adaptor, an error may occur in the date/time data depending on the precision of the internal clock
ofthestoragebatterysystem.Onceamonth,itisrecommendedthatyouconrmthetime.
To maintain normal operations of the battery system, you are advised to check the date/time setting on a periodic basis.
* When linked with the network adaptor, the date/time setting is automatically updated by a server via the network adaptor.
* The product's time might deviate about 60 seconds per month. If this builds up, it will affect the electric bills.
Adjust the time in conjunction with checking the time once per month.
1 sec
Normal state
Automatic
Display of setting
* Press “DATA (▲)” and “CLOCK (▼)” to change the value.
Date/Time setting
Year
Month
Day
Hour
Minute
3 sec

15
8.UserSetting
8-1 UserSettingMode
• Youcansetthefollowingitemsintheusersettingmode:
No. 1. Operation mode setting
Select the operation mode (Maximum self-consumption mode / Programmed charge/discharge time mode / Back-
up mode) for the stand-alone system.
No. 2. Lower discharge limit setting
Set the lower battery discharge limit for the stand-alone system.
No. 3. Charging/discharging schedule setting
Set the charge start time/charge end time/discharge start time/discharge end time to be used in the Programmed
charge/discharge time mode for the stand-alone system.
No. 4 Daylight-saving time setting
Set the daylight-saving time setting to ON/OFF. Manual switching is required for a stand-alone system
* When linked with the network adaptor, the date/time setting is automatically updated by a server via the network adaptor.
The daylight-saving time setting will therefore be ignored.
No. 5 Child lock setting
Set the child lock setting to ON/OFF. When this option is set to ON, more complex key commands will be required
to start/stop the system operations in order to prevent failure caused by tampering.
• Press“MENU(ENTER)”foronesecondinthenormalstatetoswitchtotheusersettingmode.
• Press“CLOCK(▼)”or“DATA(▲)”tocyclethroughthesettingitems.
• Press“ON/OFF(CANCEL)”foronesecondtoswitchtothenormalstate.
Normal state
* Make sure that
the system is
not in operation.
Operation mode
setting
Lower discharge
limit setting
Charging/dis-
charging schedule
setting
Daylight-saving
time setting
Child lock setting
User setting mode (Item select)
1 sec
1 sec

16
8-2 OperationModeSetting
• Intheoperationmodesetting,youcanselecttheoperationmode(Maximumself-consumptionmode/Programmed
charge/discharge time mode / Back-up mode) for the stand-alone system.
* Ifyouareusingaremote-controlsystem,thespeciedoperationmodewillonlytakeeffectwhentheremote-controlis
disabled.
• Referto8-1toselecttheoperationmodesettingintheusersettingmode[no-1].
• Press"MENU(ENTER)"toswitchtothedisplaymodeintheoperationmodesetting.
The current operation mode of the system is displayed.
• Press"MENU(ENTER)"inthedisplaymodetoswitchtothesettingmode.TheLEDwillblink.
• Press“DATA(▲)"and“CLOCK(▼)”whiletheLEDisblinkingtocyclethroughthesettingitems.
• Press"MENU(ENTER)"tocompletethesettingandswitchtothedisplaymode.
• Press“ON/OFF(CANCEL)"tocancelthesettingandswitchtothedisplaymode.
• Press“ON/OFF(CANCEL)"inthedisplaymodetoreturntotheitemdisplay[no-1].
User setting mode
(Item select)
Operation mode setting
SELF: Maximum self-consumption mode
ProG: Programmed charge/discharge time mode
bu: Back-up mode
Operation Mode Selection
Display mode
Show the
current setting
Setting mode
or

17
8-3 LowerDischargeLimitSetting
• Inthelowerdischargelimitsetting,youcansetthelowerdischargelimitvalueforthestand-alonesystemfordaily
use.
* If you wish to use the battery system for a longer period during power failure, you are advised to set a higher value for the
lower discharge limit.
* Ifyouareusingaremote-controlsystem,thespeciedlowerdischargelimitwillonlytakeeffectwhentheremote-controlis
disabled. If the remote-control is enabled, the system will operate with the lower discharge limit command from the programs.
• Referto8-1toselectthelowerdischargelimitsettingintheusersettingmode[no-2].
• Press"MENU(ENTER)"toswitchtothedisplaymodeinthelowerdischargelimitsetting.
The current lower discharge limit setting of the system is displayed in the display mode.
• Press"MENU(ENTER)"inthedisplaymodetoswitchtothesettingmode.Thelowerdischargelimitvaluewill
blink.
• Press“DATA(▲)”and“CLOCK(▼)”whiletheLEDisblinkingtochangethesettingvalue(0-40%).
• Press"MENU(ENTER)"tocompletethesettingandswitchtothedisplaymode.
• Press“ON/OFF(CANCEL)"tocancelthesettingandswitchtothedisplaymode.
• Press“ON/OFF(CANCEL)"inthedisplaymodetoreturntotheitemdisplay[no-2].
User setting mode
(Item select)
Lower discharge
limit setting
: UP
Lower Discharge Limit Setting
Display mode Setting mode
: Down
Show the
current setting
or
Setting a small value for the lower discharge limit may shorten the battery discharge time during power failure.
Furthermore, the discharge times may become shorter when the battery temperature is lower.
Lowerdischargelimitvalue
[%]
Loadcapability
[W] Dischargetime
40 1000 Max. 3 hours
500 Max. 6 hours
20 1000 Max. 1.5 hours
500 Max. 3 hours
* The discharge times change depending on what the remaining battery level was when the device was installed.

18
8-4 Charging/DischargingScheduleSetting
• Setthe(A)chargestarttime/(B)chargeendtime/(C)dischargestarttime/(D)dischargeendtimetobeusedinthe
programmed charge/discharge time mode for the stand-alone system.
* This setting is only effective when the programmed charge/discharge time mode is selected for the stand-alone system. If you
areusingtheremote-controlsystem,thespecieddate/timesettingwillonlytakeeffectwhentheremote-controlisdisabled.
* Note that you cannot obtain the desired results if the date/time setting is incorrect.
• Referto8-1toselectthecharging/dischargingschedulesettingintheusersettingmode[no-3].
• Press"MENU(ENTER)"toswitchtothedisplaymodeinthecharging/dischargingschedulesetting.
Press"DATA(▲)"and"CLOCK(▼)"toswitchthedisplayitem.Thecurrentlysetschedulewillbedisplayed.
• Press"MENU(ENTER)"inthedisplaymodetoswitchtothesettingmode.
• Thedate/timemustbesetintheorderof(A:hour)=>(A:minute)=>(B:hour)=>(B:minute)=>(C:hour)=>(C:
minute)=>(D:hour)=>(D:minute).
Use"DATA(▲)"and"CLOCK(▼)"toset/checktheblinkingvaluecorrectlyandthenpress"MENU(ENTER)"to
conrmthesetting.
Press“MENU(ENTER)”tomovetothenextitem.
• Press“ON/OFF(CANCEL)"tocancelthesettingandswitchtothedisplaymode.
• Press"MENU(ENTER)”aftersettingD:Minutetoswitchtothedisplaymode.
• Press"DATA(▲)"and"CLOCK(▼)"indisplaymodeandcheckthatthesettingvalueiscorrect.
• Press“ON/OFF(CANCEL)"inthedisplaymodetoreturntotheitemdisplay[no-3].
Setting mode
• Blinking digits can be changed
with the "DATA (▲)" or
"CLOCK (▼)"
• Change configurable items with
"MENU(ENTER)"
• Return to the display mode
with "MENU(ENTER)" after
“D: Set Minute”.
A:Set Hour [A10.00]
→ A:Set Minute [A10.00]
→ B:Set Hour [b12.00]
→ B:Set Minute [b12.00]
→ C:Set Hour [c14.00]
→ C:Set Minute [c14.00]
→ D:Set Hour [d16.00]
→ D:Set Minute [d16.00]
Display mode
User setting mode
(Item select)
Set Charging and
Discharging schedule
Charging/Discharging Schedule Setting
Show the
current setting
(Example)
Battery remains
Full charge 100
20Low Discharge
Time chart of battery remains
Stop
[A10:00] [B12:00][C14:00] [D16:00]
StopStopCharge Dis-
charge

19
8-5 Daylight-savingTimeSetting
• Ifthedaylight-savingtimesettingissettoON,theinternaltimeisonehourearlier.SwitchthesettingOFFafter
daylight-saving time has ended. If it is switched OFF, the time will be one hour behind than when it is ON.
* When linked with the network adaptor, the date/time data is obtained automatically from a server. The daylight-saving time
setting will therefore be ignored.
• Referto8-1toselectthedaylight-savingtimesettingintheusersettingmode[no-4].
• Pressing"MENU(ENTER)"willswitchtothedisplaymode.Thecurrentdaylight-savingtimesettingwillbe
displayed.
• Press"MENU(ENTER)"inthedisplaymodetoswitchtothesettingmode.Thecurrentsettingwillblink.
• Press"DATA(▲)"and"CLOCK(▼)"toenable/disablethedaylight-savingtimesetting.
• Press“ON/OFF(CANCEL)"tocancelthesettingandswitchtothedisplaymode.
• Press“ON/OFF(CANCEL)"inthedisplaymodetoreturntotheitemdisplay[no-4].
User setting mode
(Item select)
Daylight-saving time setting
Show the
current setting
Set ON and OFF with the
“DATA (▲)” ”CLOCK (▼)”
Daylight-saving time setting
or
Display Mode Setting mode
8-6 ChildLockSetting
• Thissettingallowsyoutomakethekeycommandsforstarting/stoppingtheoperationmorecomplex,inorderto
prevent failure caused by tampering. If the child lock setting is set to ON, the key commands required to start/stop
the operation will change as described below.
ChildlockOFF ChildlockON
Start/Stop "ON/OFF(CANCEL)”
Press for one second
“ON/OFF(CANCEL)”+“MENU(ENTER)”
Press for one second
• Referto8-1toselectthechildlocksettingintheusersettingmode[no-5].
• Pressing"MENU(ENTER)"willswitchtothedisplaymode.Thecurrentchildlocksettingwillbedisplayed.
• Press"MENU(ENTER)"inthedisplaymodetoswitchtothesettingmode.Thecurrentsettingwillblink.
• Press"DATA(▲)"and"CLOCK(▼)“inthesettingmodetoenable/disablethechildlocksetting.
• Press“ON/OFF(CANCEL)"tocancelthesettingandswitchtothedisplaymode.
• Press“ON/OFF(CANCEL)"inthedisplaymodetoreturntotheitemdisplay[no-5].
User setting mode
(Item select)
Child Lock
Show the
current setting
Set ON and OFF with the
“DATA (▲)” ”CLOCK (▼)”
Child lock setting
Display mode Setting mode
or
Notice:
* When "Child lock" is on, it is necessary to take time to operate changing mode.

20
9.SettingsOverview
Normal State (6-1)
Year
User setting mode
(8-1)
Operation mode setting
Lower discharge
limit setting
Child lock setting
Display mode Setting mode
Show the current setting Set the [ProG] / scheduled operation
and [bu] / Charging priority by
"DATA (▲)" "CLOCK (▼)"
Operation Mode Setting (8-2)
Year
* Make sure
that the
system is
not in
operation.
Display mode Setting mode
Show the current setting
Lower discharge limit setting (8-3)
Display mode Setting mode
Charging/Discharging Schedule Setting (8-4)
Display mode Setting mode
Child Lock Setting (8-6)
Set ON and OFF with the "DATA (▲)"
"CLOCK (▼)"
Show the current setting
Display mode Setting mode
Daylight-saving Time Setting (8-5)
Set ON and OFF with the "DATA (▲)"
"CLOCK (▼)"
Show the current setting
Show the current setting
Charging/dis-charging
schedule setting
Daylight-saving time
setting
Automatic
Automatic
Date/Time Normal Display User Settings
Date/Time Display (7-1)
Month/Day
Hour/Minute
▪ Year→Month/Day→Hour/Minute
Each displayed for two seconds.
▪ Returns to normal state
automatically after the display.
Date/Time Setting (7-2)
Month
Day
Hour
Minute
Display of Setting
▪ Press "DATA (▲)" or "CLOCK (▼)" to
change the selected (i.e. blinking) value.
▪ Change configurable items by
"MENU (ENTER)"
(Example)
A: Set Hour [A10.00]
→ A: Set Minute [A10.00]
→ B: Set Hour [b12.00]
→ B: Set Minute [b12.00]
→ C: Set Hour [c14.00]
→ C: Set Minute [c14.00]
→ D: Set Hour [d16.00]
→ D: Set Minute [d16.00]
▪ Return to the display mode by "MENU
(ENTER)" after "D: Set Minute".
▪ There are three modes of view: Normal state, Remaining battery
level, and Operation mode.
▪ Press the "DATA (▲)" to change the display mode.
▪ The remaining battery level and operation mode views automatically
return to the normal state after five minutes of inactivity.
e.g. Operation mode
▪ In the normal state, you can view the operating status as
follows.
Stopped (Grid-connected)
Stopped (Back-up)
In operation (Grid-connected)
In operation (Back-up)
Error
Generation with
Inspection notice
Normal state
Displays the current status
Remaining battery level
Displays the status of battery
Operation mode
Displays the current mode
[SELF]: Maximum self-
consumption mode
[ProG]: Programmed
charge/discharge time mode
[bu]: Back-up mode
[rc]: Remote control
Stopped via User’s command.
”PF” will display.
If “ON/OFF (CANCEL)” is pressed for one
second, the system will start the back-up
operation.
The system in grid operation display
indicates charge or discharge power.
If "ON/OFF (CANCEL)" is pressed for
one second, the system will stop.
System shows the Inspection notice.
Period until inspection added.
(See 10-3)
The system in back-up operation,
indicates output power and “PF”.
If “ON/OFF (CANCEL)” is pressed for
one second, the system will stop.
The system has abnormally stopped
and indicates error mode (F/H/U/P/E)
and code.
▪ Press the "MENU (ENTER)" to change the
display:
Year→Month→Day→Hour→Minute
▪ Press "DATA (▲)" or "CLOCK (▼)" to
change the selected (i.e. blinking) value.
▪ The new setting values are displayed when
the setting is completed.
Stopped via User’s command.
If “ON/OFF (CANCEL)” is pressed for
one second, the system will start the grid
operation.
1 sec
3 sec
1 sec
Automatic
Automatic
▪ Press "DATA (▲)" or "CLOCK (▼)" to
change the selected (i.e. blinking) value.
▪ Press "DATA (▲)" or "CLOCK (▼)" to
switch the display item.