Tabuchi Electric THE-S55P3BB-USW User manual

Quick Reference Guide
Modes and Mechanisms ········ 12
Grid-tied Operation ··············· 20
Stand-alone Operation ·········· 24
Troubleshooting ··················· 58
User’s Manual
Hybrid Solar Inverter (5.5 kW, Outdoor)
THE-S55P3BB-USW
THD-S55P3BB-US
THD-S55P3B-US
Thank you for purchasing this product from Tabuchi Electric.
●Read this User’s Manual carefully to ensure safe use of this
product.
●Completely familiarize yourself especially with the “Safety
Precautions” (Pages 4 to 5) before using this product.
●Keep this User’s Manual in a safe handy place for future
reference.

2
This Hybrid Solar Inverter uses the electric power generated by the sun during the day. Surplus power
is continuously stored in the lithium-ion storage batteries. (Charging differs according to the operating
mode.) The power stored in the storage batteries is used to stabilize the daytime power supply as well
as a nighttime power source at night.
After DC power from the PV panels is converted into AC power by the Hybrid Solar Inverter, it is
connected to the commercial power grid and used to power electric appliances.
Moreover, DC power stored in the storage batteries is used to drive the modes below, so daily
operation is not necessary.
Grid-tied Operation Page 18
■MAX POWER EXPORT Mode
Daily operation is not necessary.
Storage batteries are charged by the commercial power grid at night. Power stored in the storage
batteries is used during the daytime to cover any PV system generation shortages and avoid peak
rate grid charges.
■PEAK CUT Mode
PEAK CUT Mode cuts the peak during a specified time slot.
When purchasing power exceeds a set amount, the battery is discharged.
■ECONOMY Mode
Surplus power generated by the PV system is not only sold to the power company, but it is also
stored in the storage batteries for use at night.
■HOME BACKUP Mode
Storage batteries are kept fully charged at all times as a safeguard against power outages on the
commercial power grid.
Operating modes can be selected according to
personal lifestyle.
As long as the solar panels are generating power or the storage batteries retain a charge, the inverter
will keep running in the event of an outage on the commercial power grid by automatically switching
to stand-alone operation (Page 26).
Carefully read the precautions on stand-alone operation (Page 24) before use.
Stand-alone Operation Page 24
Automatically switches to stand-alone operation in
the event of a power outage.
Living of solar power 24 hours a day

3
This Hybrid Solar Inverter uses the electric power generated by the sun during the day. Surplus power
is continuously stored in the lithium-ion storage batteries. (Charging differs according to the operating
mode.) The power stored in the storage batteries is used to stabilize the daytime power supply as well
as a nighttime power source at night.
After DC power from the PV panels is converted into AC power by the Hybrid Solar Inverter, it is
connected to the commercial power grid and used to power electric appliances.
Moreover, DC power stored in the storage batteries is used to drive the modes below, so daily
operation is not necessary.
Grid-tied Operation Page 18
■MAX POWER EXPORT Mode
Daily operation is not necessary.
Storage batteries are charged by the commercial power grid at night. Power stored in the storage
batteries is used during the daytime to cover any PV system generation shortages and avoid peak
rate grid charges.
■PEAK CUT Mode
PEAK CUT Mode cuts the peak during a specified time slot.
When purchasing power exceeds a set amount, the battery is discharged.
■ECONOMY Mode
Surplus power generated by the PV system is not only sold to the power company, but it is also
stored in the storage batteries for use at night.
■HOME BACKUP Mode
Storage batteries are kept fully charged at all times as a safeguard against power outages on the
commercial power grid.
Operating modes can be selected according to
personal lifestyle.
As long as the solar panels are generating power or the storage batteries retain a charge, the inverter
will keep running in the event of an outage on the commercial power grid by automatically switching
to stand-alone operation (Page 26).
Carefully read the precautions on stand-alone operation (Page 24) before use.
Stand-alone Operation Page 24
Automatically switches to stand-alone operation in
the event of a power outage.
Contents
Introduction
Safety Precautions 4
System Diagram 8
Modes and Mechanisms 12
Names of Parts 16
Notes on Usage 18
Before Using the Inverter for the First Time
Preparations 19
System Startup 19
Grid-tied Operation
Daily Operation 20
Controlled Output 22
If an Outage Occurs on the Commercial Power Grid 23
Equipment Troubleshooting 23
Stand-alone Operation (In a Power Outage)
Stand-alone Operation Precautions 24
Stand-alone Operation Startup (Power Outage) 26
Restoration of Grid-tied Operation 27
Operation during a Power Outage 28
Other
How to Stop Inverter Operation 31
Settings 32
Conguring the Connection to the Internet 39
Viewing System Records 50
Energy Saving Assistance 56
Troubleshooting 58
Equipment Checks and Maintenance 61
Specications 63
Read before use!

4
The symbols below indicate the potential hazards
of improper use of this product.
Observethefollowingprecautionsinadditiontoperformingtherequiredequipmentchecks.
•TabuchiElectricassumesnoresponsibilityforaccidentsorequipmentfailureiftheequipmentisused
inanymannerotherthanspecifiedinthisUser'sManualorindisregardofthesafetyprecautions.
•Theseprecautionsexplainwhatmustbeobservedtopreventpersonalinjuryandpropertydamage.
The symbols below indicate prohibited use of this
product and safety precautions.
Prohibited use of this product.
Mandatory safety precautions.
May result in serious injury or
death.
May result in minor injury or
property damage.
Please note the following items when the inverter is shutdown for an inspection or maintenance.
WARNING
CAUTION
■Handling and Usage
WARNING
This may result in fire, electric shock,
burns, injury or equipment failure.
Do not cover the inverter vents.
Do not detach the front panel, or
disassemble or remodel the inverter.
If the inverter continues running in this
state, it may result in equipment failure,
electric shock, or fire. Contact the
vendor for servicing.
If the inverter emits strange odors, shut
it off, and set the grid breaker in the
Electrical Service Entrance to the OFF
position.
This may result in fire or equipment
damage.
Do not subject the inverter to
any vibrations or impacts.
The inverter’ s temperature rises while
running. Carelessly touching the inverter
may result in burns. Especially keep an
eye on children and elderly persons.
Do not carelessly touch the inverter
while it is running.
Failure to shut off the inverter and grid
breaker or shutting them off in the wrong
order may result in electric shock or burns.
Before cleaning the inverter, shut it
off and set the grid breaker in the
Electrical Service Entrance to the OFF
position.
The inverter may adversely affect
pacemakers.
Keep persons with pacemakers away
from the inverter.
Do not climb on or hang from the inverter.
PROHIBITED
PROHIBITED
MANDATORY
Do not touch the inverter during
disasters or if there is lightening.
This may result in electric shock, injury,
or burns.
The inverter may topple over, resulting
in injury, electric shock or equipment
failure.
Do not place or use gasoline, benzene, or
other flammable agents near the inverter. This
may result in fire or equipment failure.
Keep gasoline, benzene, or other flammable
agents away from the inverter.
Do not use insecticides or other combustible
products near the inverter.
PROHIBITED
This may result in electric shock, current leaks
or equipment failure.
Do not expose the inverter to water or oil
vapors.
Do not use heaters or equipment that releases
steam near the inverter.
Do not use heaters, rice cookers, humidifiers,
or other equipment that releases steam near
the inverter. This may result in fire or
equipment failure.
PROHIBITED
Do not locate the inverter in poorly
ventilated area where the vents are blocked.
Do not cover the vents with tablecloths,
sheets, or towels, etc. Internal temperature
may rise, resulting in fire, equipment failure,
or a shortened service-life.
Keep objects off the inverter.
Objects may heat up and catch fire
during operation.
■Near the Equipment
■During Stand-alone Operation
CAUTION
DO NOT
TOUCH
PROHIBITED
DO NOT
TOUCH
CAUTION
MANDATORY
The amount of electric power generated during stand-alone
operation varies according to weather and storage battery
charge. The inverter stops stand-alone operation if it generates
less electric power than that consumed by the electric
appliances connected to its stand-alone outlets. Do not use
the appliances listed below with the inverter as personal injury
or property damage may occur if the power shuts off.
• Any kind of medical or home security equipment
• Desktop computers and other information-related
equipment and peripherals
• Other equipment that may cause personal injury or
property damage if the power shuts off
Do not connect the below electric appliances listed below
to the stand-alone outlets.
WARNING
CAUTION
• Confirm the Backup Load Panel, related wiring, and
electrical fixtures are in good safe condition before
commencing stand-alone operation.
• If strange odors or noises are detected after starting
stand-alone operation, promptly stop stand-alone operation.
Safety Precautions ■Observe all safety precautions.

5
The symbols below indicate the potential hazards
of improper use of this product.
Observethefollowingprecautionsinadditiontoperformingtherequiredequipmentchecks.
•TabuchiElectricassumesnoresponsibilityforaccidentsorequipmentfailureiftheequipmentisused
inanymannerotherthanspecifiedinthisUser'sManualorindisregardofthesafetyprecautions.
•Theseprecautionsexplainwhatmustbeobservedtopreventpersonalinjuryandpropertydamage.
The symbols below indicate prohibited use of this
product and safety precautions.
Prohibited use of this product.
Mandatory safety precautions.
May result in serious injury or
death.
May result in minor injury or
property damage.
Please note the following items when the inverter is shutdown for an inspection or maintenance.
WARNING
CAUTION
■Handling and Usage
WARNING
This may result in fire, electric shock,
burns, injury or equipment failure.
Do not cover the inverter vents.
Do not detach the front panel, or
disassemble or remodel the inverter.
If the inverter continues running in this
state, it may result in equipment failure,
electric shock, or fire. Contact the
vendor for servicing.
If the inverter emits strange odors, shut
it off, and set the grid breaker in the
Electrical Service Entrance to the OFF
position.
This may result in fire or equipment
damage.
Do not subject the inverter to
any vibrations or impacts.
The inverter’ s temperature rises while
running. Carelessly touching the inverter
may result in burns. Especially keep an
eye on children and elderly persons.
Do not carelessly touch the inverter
while it is running.
Failure to shut off the inverter and grid
breaker or shutting them off in the wrong
order may result in electric shock or burns.
Before cleaning the inverter, shut it
off and set the grid breaker in the
Electrical Service Entrance to the OFF
position.
The inverter may adversely affect
pacemakers.
Keep persons with pacemakers away
from the inverter.
Do not climb on or hang from the inverter.
PROHIBITED
PROHIBITED
MANDATORY
Do not touch the inverter during
disasters or if there is lightening.
This may result in electric shock, injury,
or burns.
The inverter may topple over, resulting
in injury, electric shock or equipment
failure.
Do not place or use gasoline, benzene, or
other flammable agents near the inverter. This
may result in fire or equipment failure.
Keep gasoline, benzene, or other flammable
agents away from the inverter.
Do not use insecticides or other combustible
products near the inverter.
PROHIBITED
This may result in electric shock, current leaks
or equipment failure.
Do not expose the inverter to water or oil
vapors.
Do not use heaters or equipment that releases
steam near the inverter.
Do not use heaters, rice cookers, humidifiers,
or other equipment that releases steam near
the inverter. This may result in fire or
equipment failure.
PROHIBITED
Do not locate the inverter in poorly
ventilated area where the vents are blocked.
Do not cover the vents with tablecloths,
sheets, or towels, etc. Internal temperature
may rise, resulting in fire, equipment failure,
or a shortened service-life.
Keep objects off the inverter.
Objects may heat up and catch fire
during operation.
■Near the Equipment
■During Stand-alone Operation
CAUTION
DO NOT
TOUCH
PROHIBITED
DO NOT
TOUCH
CAUTION
MANDATORY
The amount of electric power generated during stand-alone
operation varies according to weather and storage battery
charge. The inverter stops stand-alone operation if it generates
less electric power than that consumed by the electric
appliances connected to its stand-alone outlets. Do not use
the appliances listed below with the inverter as personal injury
or property damage may occur if the power shuts off.
• Any kind of medical or home security equipment
• Desktop computers and other information-related
equipment and peripherals
• Other equipment that may cause personal injury or
property damage if the power shuts off
Do not connect the below electric appliances listed below
to the stand-alone outlets.
WARNING
CAUTION
• Confirm the Backup Load Panel, related wiring, and
electrical fixtures are in good safe condition before
commencing stand-alone operation.
• If strange odors or noises are detected after starting
stand-alone operation, promptly stop stand-alone operation.

6
Solar Panel
Hybrid Solar Inverter
Storage Battery
Storage Battery
Connection Box
Remote Controller
Backup Load PanelIsolation Transformer
Electrical Service Entrance
To individual circuits
AC
DC
Signal Wire
To appliances you want to
keep during a power outage
Generate electricity
Smartly uses electricity
Stores electricity
Power Company
System Diagram
■THE-S55P3BB-USW

7
Solar Panel
Hybrid Solar Inverter
Storage Battery
Storage Battery
Connection Box
Remote Controller
Backup Load PanelIsolation Transformer
Electrical Service Entrance
To individual circuits
AC
DC
Signal Wire
To appliances you want to
keep during a power outage
Generate electricity
Smartly uses electricity
Stores electricity
Power Company

8
Solar Panel
Hybrid Solar Inverter
Storage Battery
Storage Battery
Connection Box
Remote Controller
Backup Load Panel
Electrical Service Entrance
AC
DC
Signal Wire
Power Company
Generate electricity
Smartly uses electricity
Stores electricity
To individual circuits
To appliances you want to
keep during a power outage
System Diagram
■THD-S55P3BB-US

9
Solar Panel
Hybrid Solar Inverter
Storage Battery
Storage Battery
Connection Box
Remote Controller
Backup Load Panel
Electrical Service Entrance
AC
DC
Signal Wire
Power Company
Generate electricity
Smartly uses electricity
Stores electricity
To individual circuits
To appliances you want to
keep during a power outage

10
Solar Panel
Hybrid Solar Inverter
Storage Battery
Remote Controller
Backup Load Panel
Electrical Service Entrance
AC
DC
Signal Wire
Power Company
Generate electricity
Smartly uses electricity
To individual circuits
To appliances you want to
keep during a power outage
Stores electricity
System Diagram
■THD-S55P3B-US

11
Solar Panel
Hybrid Solar Inverter
Storage Battery
Remote Controller
Backup Load Panel
Electrical Service Entrance
AC
DC
Signal Wire
Power Company
Generate electricity
Smartly uses electricity
To individual circuits
To appliances you want to
keep during a power outage
Stores electricity

12
123456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
The following four modes are available during grid-tied operation. To switch modes, see the "Remote Controller"
section (Page 16) of the User's Manual.
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
PEAK CUT Mode
Power Selling
Charging up to
max. 3.0 kW
※1
ABC
Household Load
Solar Power Generation
Peak cut of Demand
Discharge
Threshold 2
Threshold 1
PEAK CUT Mode cuts the peak during a specified time
slot. When purchasing power exceeds a set amount, the
battery is discharged.
Power Generated,
Household Load (kW)
123456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time
Power is sold
MAX POWER EXPORT Mode
MAX POWER EXPORT Mode minimizes use of “peak electricity” and
“purchased electricity” by charging the storage batteries at night when
utility rates are low and discharging the stored power during the day
and evening to run connected electric appliances. D
Power is
purchased
Surplus PV-generated power is
sold to the commercial power grid.
Power cannot be generated at night or when it rains.
When there is not enough power coming from the PV
system or storage batteries, power is supplied by the
power company.
At extremely low SOC, the battery output power may be slightly decreased.
E
Time
Power Generated,
Household Load (kW)
5
4.5
4
3.5
3
2.5
2
1.5
1
0
0.5
Household Load
Solar Power Generation
Nighttime Charging 3.0 kW
※1
Discharge up to
max. 4.0 kW
※2
Power Selling
Power purchasing
over 4.0 kW
※2
When purchasing power (Subtract Solar Power Generation from Household Load) exceeds purchasing
power threshold, the battery is discharged.
The system performs surplus or forced charging.
During surplus charging, the battery is charged if solar power generation exceeds demand power
generation.
During forced charging, the battery is charged at 3.0 kW※1 from solar power generation and grid power
generation.
A, C : Discharge time slot
B : Charge time slot
• Two discharge time slots can be set per day.
• One charge time slot can be set per day.
• A purchasing power threshold can be set for each discharge time slot.
• The charging method can be selected during the charge time slot.
D
E
※1： THE-S55P3BB-USW 3.0kW
 THD-S55P3BB-US 3.0kW
 THD-S55P3B-US 1.5kW
※2： THE-S55P3BB-USW 4.0kW
 THD-S55P3BB-US 4.0kW
 THD-S55P3B-US 2.0kW
Modes and Mechanisms

13
123456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
The following four modes are available during grid-tied operation. To switch modes, see the "Remote Controller"
section (Page 16) of the User's Manual.
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
PEAK CUT Mode
Power Selling
Charging up to
max. 3.0 kW
※1
ABC
Household Load
Solar Power Generation
Peak cut of Demand
Discharge
Threshold 2
Threshold 1
PEAK CUT Mode cuts the peak during a specified time
slot. When purchasing power exceeds a set amount, the
battery is discharged.
Power Generated,
Household Load (kW)
123456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time
Power is sold
MAX POWER EXPORT Mode
MAX POWER EXPORT Mode minimizes use of “peak electricity” and
“purchased electricity” by charging the storage batteries at night when
utility rates are low and discharging the stored power during the day
and evening to run connected electric appliances. D
Power is
purchased
Surplus PV-generated power is
sold to the commercial power grid.
Power cannot be generated at night or when it rains.
When there is not enough power coming from the PV
system or storage batteries, power is supplied by the
power company.
At extremely low SOC, the battery output power may be slightly decreased.
E
Time
Power Generated,
Household Load (kW)
5
4.5
4
3.5
3
2.5
2
1.5
1
0
0.5
Household Load
Solar Power Generation
Nighttime Charging 3.0 kW
※1
Discharge up to
max. 4.0 kW
※2
Power Selling
Power purchasing
over 4.0 kW
※2
When purchasing power (Subtract Solar Power Generation from Household Load) exceeds purchasing
power threshold, the battery is discharged.
The system performs surplus or forced charging.
During surplus charging, the battery is charged if solar power generation exceeds demand power
generation.
During forced charging, the battery is charged at 3.0 kW※1 from solar power generation and grid power
generation.
A, C : Discharge time slot
B : Charge time slot
• Two discharge time slots can be set per day.
• One charge time slot can be set per day.
• A purchasing power threshold can be set for each discharge time slot.
• The charging method can be selected during the charge time slot.
D
E
※1： THE-S55P3BB-USW 3.0kW
 THD-S55P3BB-US 3.0kW
 THD-S55P3B-US 1.5kW
※2： THE-S55P3BB-USW 4.0kW
 THD-S55P3BB-US 4.0kW
 THD-S55P3B-US 2.0kW

14
123456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
※1： THE-S55P3BB-USW 3.0kW
 THD-S55P3BB-US 3.0kW
 THD-S55P3B-US 1.5kW
※2： THE-S55P3BB-USW 4.0kW
 THD-S55P3BB-US 4.0kW
 THD-S55P3B-US 2.0kW
(Initial mode)
HOME BACKUP Mode keeps the storage batteries fully charged at all times. Once charged, the system goes on
standby as a safeguard against power outages on the commercial power grid.
The display may not show that the storage batteries are fully charged due to a margin of error.
Use the inverter as an emergency power supply for instances such as rolling blackouts, etc. Use of the Storage
Mode is recommended since it keeps the storage batteries fully charged at all times. If an outage is anticipated
while using the inverter in another mode, you can switch to the Storage Mode ahead of time and minimize the
impact of the outage by having the storage batteries fully charged.
Surplus PV-generated power is used to charge the storage batteries.
Any power that cannot be stored in the storage batteries is sold.
Power is discharged from the storage batteries. If there is not enough
power coming from the PV system and storage batteries, power is
purchased from the power company.
ECONOMY Mode ECONOMY Mode minimizes the amount of purchased electricity
purchased from the grid by utilizing PV-generated power during the day,
in the evening, and at night.
HOME BACKUP Mode
Power is stored
F
Stored power is
discharged
G
Power Generated,
Household Load (kW)
Time
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
Charging up to
max. 3.0 kW
※1
Power Selling
Household Load
Solar Power Generation
Discharge up to
max. 4.0 kW
※2
F
G
At extremely low SOC, the battery output power may be slightly decreased.
Modes and Mechanisms

15
123456789 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
※1： THE-S55P3BB-USW 3.0kW
 THD-S55P3BB-US 3.0kW
 THD-S55P3B-US 1.5kW
※2： THE-S55P3BB-USW 4.0kW
 THD-S55P3BB-US 4.0kW
 THD-S55P3B-US 2.0kW
(Initial mode)
HOME BACKUP Mode keeps the storage batteries fully charged at all times. Once charged, the system goes on
standby as a safeguard against power outages on the commercial power grid.
The display may not show that the storage batteries are fully charged due to a margin of error.
Use the inverter as an emergency power supply for instances such as rolling blackouts, etc. Use of the Storage
Mode is recommended since it keeps the storage batteries fully charged at all times. If an outage is anticipated
while using the inverter in another mode, you can switch to the Storage Mode ahead of time and minimize the
impact of the outage by having the storage batteries fully charged.
Surplus PV-generated power is used to charge the storage batteries.
Any power that cannot be stored in the storage batteries is sold.
Power is discharged from the storage batteries. If there is not enough
power coming from the PV system and storage batteries, power is
purchased from the power company.
ECONOMY Mode ECONOMY Mode minimizes the amount of purchased electricity
purchased from the grid by utilizing PV-generated power during the day,
in the evening, and at night.
HOME BACKUP Mode
Power is stored
F
Stored power is
discharged
G
Power Generated,
Household Load (kW)
Time
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
Charging up to
max. 3.0 kW
※1
Power Selling
Household Load
Solar Power Generation
Discharge up to
max. 4.0 kW
※2
F
G
At extremely low SOC, the battery output power may be slightly decreased.

16
■Hybrid Solar Inverter
■Remote Controller
The indicated amount of GENERATION, CHARGE/DISCHARGE, BUY/SELL, and
CONSUMPTION are not completely accurate. Use them as a reference. (This
product is not subjected to regulations under the Weights and Measures Law.)
Displays functions of thebuttons below.
(Indications change according to the screen.)
Press the operating buttons below to execute the
desired functions.
(The display is not a touch screen panel.)
To select [ENTER], press the operating button directly
below it.
The home screen is the screen that is typically displayed while the Hybrid Solar Inverter is running.
Vents
Front Panel
Hybrid Solar Inverter
DC Switch-disconnector
Base
Display
Execute the functions that appear
on the display. (If the display goes out, pressing any
of the operating buttons to light up the display. The
home screen will appear.)
Operating Buttons
Display
Green : Running grid-tied operation
Red : Running stand-alone operation
Flashing red : Automatically stopped
Lights OFF : Grid-tied operation manually stopped
Stand-alone operation manually stopped
Grid-tied operation is on standby
Stand-alone operation is on standby
How to read LED Indicators
This button will not operate if there
is a grid outage, no solar power
available, and the battery is not
charged (drained, disconnected, or
stopped due to malfunction).
How to read RUN/STOP Button
GRID-TIED MODE : Green(SELL)
: Orange(BUY)
STAND-ALONE MODE:Green
Others : Lights OFF
RUN/STOP Button
Hybrid Solar Inverter Operating Status
GRID CONNECT→…Preparing to start grid-tied operation.
GRID TIED MODE …Running normally off the grid.
MANUAL GRID STOP …Grid-tied operation was manually stopped.
AUTOMATIC STOP …Operation was stopped due to an error, etc.
STAND-ALONE→…Preparing to start stand-alone operation.
STAND-ALONE MODE …Solar power and battery power are being supplied to the Backup Load Panel
for stand-alone operation.
STAND-ALONE STOP …Stand-alone operation was manually stopped.
A
B
C
D
NOTE
Time/Date
Displays the current time, day, month and year.
Operating Mode
Displays the current operating
mode during grid-tied operation
(MAX POWER EXPORT Mode,
ECONOMY Mode, HOME
BACKUP Mode and PEAK CUT
Mode.)
Controlled Output Status Display
Displays the controlled output status of the inverter as a
message: “VOLTAGE REGULATION,” “TEMPERATURE
SUPPRESSION” or “TEMPERATURE . VOLTAGE
SUPPRESSION”.
A message will not appear during normal operation.
Error Code
Displays an error code if an
error occurs.
A code will not appear during
normal operation.
Operating Status
Displays the current operating
status of the inverter.
Displays the amount of solar power the
system is currently generating.
Displays the amount of power that is sold
to or purchased from the power company.
When power is sold, “SELL” is displayed
and when the power is purchased, “BUY”
is displayed.
Displays the amount of power that is
currently consumed in the home.
Displays the amount of power charged in
or discharged from the storage battery.
When the battery is fully charged,
“CHARGE” is displayed, when the battery
is discharged, “DISCHARGE” is displayed
and when the battery stops charging/
discharging, “STANDBY” is displayed.
In addition, if a fault occurs with the
storage battery, “FAULT” is displayed.
5 . 5 0 kW
GENERATION
1 . 5 0 kW
CHARGE
1 . 5 0 kW
DISCHARGE
1 . 5 0 kW
BUY
1 . 5 0 kW
SELL
1 . 5 0 kW
CONSUMPTION
– . – – kW
STANDBY
– . – – kW
FAULT
A
C
D
B
Names of Parts

17
■Hybrid Solar Inverter
■Remote Controller
The indicated amount of GENERATION, CHARGE/DISCHARGE, BUY/SELL, and
CONSUMPTION are not completely accurate. Use them as a reference. (This
product is not subjected to regulations under the Weights and Measures Law.)
Displays functions of thebuttons below.
(Indications change according to the screen.)
Press the operating buttons below to execute the
desired functions.
(The display is not a touch screen panel.)
To select [ENTER], press the operating button directly
below it.
The home screen is the screen that is typically displayed while the Hybrid Solar Inverter is running.
Vents
Front Panel
Hybrid Solar Inverter
DC Switch-disconnector
Base
Display
Execute the functions that appear
on the display. (If the display goes out, pressing any
of the operating buttons to light up the display. The
home screen will appear.)
Operating Buttons
Display
Green : Running grid-tied operation
Red : Running stand-alone operation
Flashing red : Automatically stopped
Lights OFF : Grid-tied operation manually stopped
Stand-alone operation manually stopped
Grid-tied operation is on standby
Stand-alone operation is on standby
How to read LED Indicators
This button will not operate if there
is a grid outage, no solar power
available, and the battery is not
charged (drained, disconnected, or
stopped due to malfunction).
How to read RUN/STOP Button
GRID-TIED MODE : Green(SELL)
: Orange(BUY)
STAND-ALONE MODE:Green
Others : Lights OFF
RUN/STOP Button
Hybrid Solar Inverter Operating Status
GRID CONNECT→…Preparing to start grid-tied operation.
GRID TIED MODE …Running normally off the grid.
MANUAL GRID STOP …Grid-tied operation was manually stopped.
AUTOMATIC STOP …Operation was stopped due to an error, etc.
STAND-ALONE→…Preparing to start stand-alone operation.
STAND-ALONE MODE …Solar power and battery power are being supplied to the Backup Load Panel
for stand-alone operation.
STAND-ALONE STOP …Stand-alone operation was manually stopped.
A
B
C
D
NOTE
Time/Date
Displays the current time, day, month and year.
Operating Mode
Displays the current operating
mode during grid-tied operation
(MAX POWER EXPORT Mode,
ECONOMY Mode, HOME
BACKUP Mode and PEAK CUT
Mode.)
Controlled Output Status Display
Displays the controlled output status of the inverter as a
message: “VOLTAGE REGULATION,” “TEMPERATURE
SUPPRESSION” or “TEMPERATURE . VOLTAGE
SUPPRESSION”.
A message will not appear during normal operation.
Error Code
Displays an error code if an
error occurs.
A code will not appear during
normal operation.
Operating Status
Displays the current operating
status of the inverter.
Displays the amount of solar power the
system is currently generating.
Displays the amount of power that is sold
to or purchased from the power company.
When power is sold, “SELL” is displayed
and when the power is purchased, “BUY”
is displayed.
Displays the amount of power that is
currently consumed in the home.
Displays the amount of power charged in
or discharged from the storage battery.
When the battery is fully charged,
“CHARGE” is displayed, when the battery
is discharged, “DISCHARGE” is displayed
and when the battery stops charging/
discharging, “STANDBY” is displayed.
In addition, if a fault occurs with the
storage battery, “FAULT” is displayed.
5 . 5 0 kW
GENERATION
1 . 5 0 kW
CHARGE
1 . 5 0 kW
DISCHARGE
1 . 5 0 kW
BUY
1 . 5 0 kW
SELL
1 . 5 0 kW
CONSUMPTION
– . – – kW
STANDBY
– . – – kW
FAULT
A
C
D
B

18
The rated output of solar panels is based on certain conditions. The actual amount of output will vary
according to the intensity of sunlight, surrounding temperature and the direction and angle at which the
panels are installed. Therefore, even on clear days, the rated output may not always be generated. On clear
days, the generated power should be about 70 to 80% of the rated output.
IMPORTANT INFORMATION to KNOW
■Generated power
•The very first time the inverter is used, it can be started by pressing the [RUN/STOP] button.
•Once the inverter starts up, it runs automatically in the set operating mode according to the amount of
sunlight, time of day, battery charge, etc.
•At night, when it is raining, or when inverter output is insufficient to run connected appliances because the
battery charge is low, power is automatically supplied from the commercial power grid.
■Daily operation is not necessary.
Although the inverter is automatically supplied by stored battery power when a power outage occurs, the
power supply is briefly interrupted when the inverter switches over to stand-alone operation.
Once the commercial power grid operation is restored after an outage, the inverter automatically resumes
grid-tied operation.
■When a power outage occurs, the inverter automatically engages stand-alone operation.
Before using the inverter for the first time, have the installer perform the operations described below
in the “Preparations” and “System Startup” sections.
The Hybrid Solar Inverter is for outdoor use.
Check the operating status of the inverter.
Set the grid-tied breaker in the Electrical Service Entrance to the ON position.
When the grid-tied breaker is set in the ON position, the display
indicates that grid-tied operation has been manually stopped as
shown in the image on the right.
Press the [RUN/STOP] button. “GRID CONNECT→” appears on the
display for a few minutes before grid-tied operation starts.
“GRID CONNECT→” appears on the display for a few minutes before
grid-tied operation starts.
1
Start inverter operation.
2
When grid-tied operation resumes after the commercial power grid
restores from an outage, “GRID CONNECT→” appears on the
display for a few minutes.
• The inverter stops during the daytime if an outage occurs on the commercial power grid.
• The inverter occasionally makes noise during operation. This is normal.
NOTE
NOTE
•Where there is a minimal amount of oily smoke and dust.
•Where not exposed to corrosive gases or liquids.
■Secure a location for the inverter that meets the
following requirements.
Those products may not work properly.
■Do not use electric products that are vulnerable to
electrical noise near the inverter.
200 mm (7.8 in) or more
200 mm (7.8 in)
or more
500 mm (19.7 in)
or more
800 mm (31.5 in)
or more
■Do not use radios, cellphones or receivers of any
kind near the inverter so as to avoid signal reception
interference.
■Ensure a minimum of 800 mm (31.5 in) in front, a
minimum of 500 mm (19.7 in) on the left, and
200 mm (7.8 in) above and on the right of the
inverter for equipment checks and maintenance.
Notes on Usage

19
The rated output of solar panels is based on certain conditions. The actual amount of output will vary
according to the intensity of sunlight, surrounding temperature and the direction and angle at which the
panels are installed. Therefore, even on clear days, the rated output may not always be generated. On clear
days, the generated power should be about 70 to 80% of the rated output.
IMPORTANT INFORMATION to KNOW
■Generated power
•The very first time the inverter is used, it can be started by pressing the [RUN/STOP] button.
•Once the inverter starts up, it runs automatically in the set operating mode according to the amount of
sunlight, time of day, battery charge, etc.
•At night, when it is raining, or when inverter output is insufficient to run connected appliances because the
battery charge is low, power is automatically supplied from the commercial power grid.
■Daily operation is not necessary.
Although the inverter is automatically supplied by stored battery power when a power outage occurs, the
power supply is briefly interrupted when the inverter switches over to stand-alone operation.
Once the commercial power grid operation is restored after an outage, the inverter automatically resumes
grid-tied operation.
■When a power outage occurs, the inverter automatically engages stand-alone operation.
Before using the inverter for the first time, have the installer perform the operations described below
in the “Preparations” and “System Startup” sections.
The Hybrid Solar Inverter is for outdoor use.
Check the operating status of the inverter.
Set the grid-tied breaker in the Electrical Service Entrance to the ON position.
When the grid-tied breaker is set in the ON position, the display
indicates that grid-tied operation has been manually stopped as
shown in the image on the right.
Press the [RUN/STOP] button. “GRID CONNECT→” appears on the
display for a few minutes before grid-tied operation starts.
“GRID CONNECT→” appears on the display for a few minutes before
grid-tied operation starts.
1
Start inverter operation.
2
When grid-tied operation resumes after the commercial power grid
restores from an outage, “GRID CONNECT→” appears on the
display for a few minutes.
• The inverter stops during the daytime if an outage occurs on the commercial power grid.
• The inverter occasionally makes noise during operation. This is normal.
NOTE
NOTE
•Where there is a minimal amount of oily smoke and dust.
•Where not exposed to corrosive gases or liquids.
■Secure a location for the inverter that meets the
following requirements.
Those products may not work properly.
■Do not use electric products that are vulnerable to
electrical noise near the inverter.
200 mm (7.8 in) or more
200 mm (7.8 in)
or more
500 mm (19.7 in)
or more
800 mm (31.5 in)
or more
■Do not use radios, cellphones or receivers of any
kind near the inverter so as to avoid signal reception
interference.
■Ensure a minimum of 800 mm (31.5 in) in front, a
minimum of 500 mm (19.7 in) on the left, and
200 mm (7.8 in) above and on the right of the
inverter for equipment checks and maintenance.
Before Using the Inverter for the First Time
System Startup
Preparations

20
*1. Daytime and nighttime hours must be set when installing the inverter.
*2. The emergency backup charge is not discharged.
*3. Battery discharging stops when the amount of sunlight increases and power is sold to the power company.
*4. The storage batteries are charged whenever the emergency backup charge is low.
*5. The storage batteries do not charge further once full.
*6. Surplus solar power that cannot be stored in the power batteries is sold.
*7. Even while the storage batteries are discharging power, 0.2 kW or more power is purchased from the power company.
*8. Even while solar power is used to charge the storage batteries, power is sold and purchased according to power consumption in the home.
The storage batteries are fully charged during
the nighttime hours. *1, 4
Time of Day
MAX POWER
EXPORT Mode
Remote Controller (Example) Remote Controller (Example)
Once the storage batteries are full,
charging/discharging is stopped until the
daytime hours. *1, 4
If there is an insufficient amount of sunlight and
the storage batteries are low,
charging/discharging is stopped. *2, 4
ECONOMY
Mode
Remote Controller (Example)
The storage batteries are charged until full
regardless of the time of day or the amount of
sunlight. *8
HOME BACKUP
Mode
(Initial mode)
Remote Controller (Example)
If the amount of sunlight increases, surplus solar
power is used to charge the storage batteries.
*4, 5, 6, 8
Remote Controller (Example)
The storage batteries are discharged to supplement
power shortages (when power is purchased from the
power company) during the daytime hours up until
the nighttime hours begin. *1, 2, 3, 4, 7
Remote Controller (Example)
If the storage batteries run low,
charging/discharging is stopped until the
nighttime hours. *1, 2, 4
Remote Controller (Example)
The storage batteries are discharged to
supplement power shortages (when power is
purchased from the power company). *2, 3, 4, 7
Remote Controller (Example)
Though the storage batteries are full,
charging/discharging is stopped as a safeguard
against power outages on the commercial power grid.
Remote Controller (Example)
If there is an insufficient amount of sunlight and
the storage batteries are low,
charging/discharging is stopped. *2, 4
Remote Controller (Example)
Night Morning
If there is an insufficient amount of sunlight,
charging/discharging is stopped. *2, 4
PEAK CUT Mode
Remote Controller (Example) Remote Controller (Example)
The storage batteries are discharged to
supplement power shortages (Discharges in
order to cut peak). *2, 3, 4, 7
If the amount of sunlight increases, surplus solar
power is used to charge the storage batteries.
*4, 5, 6, 8
Remote Controller (Example)
The storage batteries are discharged to
supplement power shortages (Discharges in
order to cut peak). *2, 3, 4, 7
Remote Controller (Example)
Daytime Evening
Grid-tied Operation
■Daily Operation