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6 General Operation

※  6.1 Display Operation

When the inverter is turned on, the following interfaces will be displayed on the OLED 
display, and you can check the information and modify the parameters of the inverter by 
short or long pressing the button. Please refer to the following display operation flow for 
details:

6  General Operation

Tip: After every setting completed, wait for 10 seconds and the inverter will automatically 
save your settings or modifications.

System Info

Fault Info

RSSI

Safety Set

Setting

Error

Message

SN/FM

Version

Export

Limit

Feed in

Grid

Power Factor

Modbus 

Addr

Time Set

Language 

Set

Setting

Setting

Setting

Setting

Setting

CT Ratio

Setting

Re-Connect

Setting

Firmware

Upda

�

ng

Setting

Short press(1s),switch window
Long press(3s),enter the lower Menu

V-I PV 1\2

Batt Para

VbakA

VbakB

VbakC

IbakA

IbakB

IbakC

FreqA

Freqb

FreqC

Meter E-Day

Meter

E-Total

H-Total

Product

Model

General

Settings

Advanced

Settings

WorkMode 

Set

Battery_ID 

Set

Setting

Setting

Main Window

Wai

�

ng

Checking

Normal

Fault Info

Main Window

Wai

�

ng

Checking

Normal

Fault Info

Main Window

Wai

�

ng

Checking

Normal

Fault Info

Not WiFi/LAN

LAN setting

WIFI setting

OR

OR

6.1.1 Main Window and General Setting

InPut 

Password

On-Off Grid 

SW

Relax OffGrid

OffGrid 

ReConn

Peakload 

Shifting

SetMaxGrid

OnGrid 

SocProt

OnGrid DOD

OFFGrid 

SocProt

OFFGrid 

DOD

OFFGrid Volt 

OFFGrid Freq 

Discharg. P. 

Limit

Discharg. E. 

time

Discharg. S. 

time

Charg. 

P.Limit

Charg. E. 

time

Charg. S. 

time

System 

Maint.

Unbalan.Out

put

Setting

Setting

Setting

Setting

Verify OK

Setting

Setting

Setting

Setting

Setting

Setting

Setting

Setting

Setting

Setting

Setting

Setting

Setting

Restart

Stop

Startup

Advanced

Settings

Password Set

Setting

LAN Reset

Setting

DHCP Set

Setting

IP Address

Setting

Gateway 

Address

Setting

Subnet Mask

Setting

DNS Address

Setting

WIFI

Reset

WIFI

Reload

Setting

Setting

DHCP ON

OR

OR

6  General Operation

6.1.3 Advanced Setting

6.1.2 LAN/WIFI Setting

Setting

Not WiFi/LAN

WIFI setting

LAN setting

Safety Set

OR

OR

Setting

Summary of Contents for STH-10KTL-HT

Page 1: ...S U N W A Y S T E C H N O L O G I E S C O LT D H y b r i d I n v e r t e r STH 4 12KTL HT User Manual EN...

Page 2: ...stallation 22 4 1 Selection of Installation Location 22 4 2 Mounting the Inverter standard bracket 24 4 3 Mounting the Inverter Including bracket options 26 4 4 Electrical Connection 29 4 5 Communicat...

Page 3: ...not constitute any express or implied guarantee 1 Preface 1 Preface Attention 1 1 Overview This manual is an integral part of Sunways STH 4 12kW series three phase high voltage hybrid inverters herei...

Page 4: ...ot to undertake quality assurance in any of the following circumstances Damages caused by irregular transportation Damages caused by incorrect storage installation or use Damages caused by installatio...

Page 5: ...ve personal injury and equipment damage information 2 4 1 Symbol on the Hybrid Inverter Power indicator Grid status indicator Inverter status indicator Battery level indicator 2 4 2 Symbol on the Inve...

Page 6: ...H 8KTL HT STH 10KTL HT STH 12KTL HT 3 1 3 Applicable grid type The applicable grid types of the Sunways STH 4 12kW series are TN S TN C TN C S and TT When applied to the TT grid the voltage of N to PE...

Page 7: ...r will supply the loads first and second charge the battery and then feed to the grid You can set the power to the grid to 0W if the local grid doesn t allow When the PV power is insufficient the batt...

Page 8: ...nd then charge the battery if there s surplus Mode 5 Inverter will use power from PV and battery to supply loads in the predetermined period and the insufficient part will be supplied by the grid PV I...

Page 9: ...levels 3 2 Appearance Introduction Logo Display 550mm 410mm Figure 3 3 Front view 3 2 1 Inverter front view 410mm 175mm Name Plate 3 2 2 Inverter side view Figure 3 4 Side view Figure 3 5 Bottom view...

Page 10: ...cription 4 Alarm Indicator Off The inverter is running normally Slow flashing The monitoring device is not connected to the router or is not connected to the base station Quick flashing The monitoring...

Page 11: ...6 Inspection Report User Manual Quick Guide Monitoring Device Optional Back Up Terminal User Guide On Grid Terminal Expansion Bolt PV Terminal AC Cover Sunways Meter B with 3 CTs 1 Cord End Terminal 8...

Page 12: ...t direct exposure to sunlight and rain Install the inverter at the eye level for easy inspection of screen data and further main tenance The ambient temperature of the inverter installation location s...

Page 13: ...with 10mm diameter bit to drill 5 holes on the wall and make sure hole depth is 80mm Insert the expansion tubes into the holes and tighten them then fix the bracket onto the wall with expansion screw...

Page 14: ...shaped plate in the accessory bag then fix the L shaped plate to the mounting bracket Figure 4 10 Bracket assembly Use an electrical driller with 10mm diameter bit to drill 5 holes in the wall with 8...

Page 15: ...e Sunways has the right to refuse all damages caused by the mixed use of terminals Attention Moisture and dust can damage the inverter ensure the cable gland is securely tightened during installation...

Page 16: ...ply can be isolated or switched If you get Sunways meter A please refer to Figure 4 14A Figure 4 14A Standard wiring diagram PV Array Grid Normal Loads RCD RCD Back up Loads PV Array Communication Com...

Page 17: ...UP The additional grounding hole ON GRID PV1 Breaker E BAR N BAR Breaker RS485 2 1 L1 5 L1 S1 9 L3 S1 10 L3 S2 2 L2 6 L1 S2 3 L3 7 L2 S1 4 N 8 L2 S2 Breaker Main Switch Breaker Sunways CT CT 1 CT 2 CT...

Page 18: ...ing Figure 4 16 Grounding terminal connection Ground terminal connection steps The external grounding terminal is located in the lower right side of the inverter Fix the grounding terminal to the PE w...

Page 19: ...2 5 4mm2 7mm Cable type Conductor cross sectional area mm General photovoltaic cable Scope mm Recommended value mm 2 5 4 0 4 0 4 Product Installation Disassemble the connector in the accessory bag as...

Page 20: ...when making battery connection Disconnect the AC breaker on the grid side Disconnect the breaker on the battery side Turn the inverter DC switch to the OFF position Make sure the maximum input voltag...

Page 21: ...the inverter limitation and the polarity is correct Insert the positive and negative connector into the inverter battery terminals respec tively and a click sound represents the assembly in place as s...

Page 22: ...eve of AC cable for 40 60mm and peel off the sleeve in the conductor core of 3L PE N wires for 8mm as shown in Figure 4 27 Insert the stripped AC cables through the AC connector cover in the sequence...

Page 23: ...making the connection 4 Product Installation Figure 4 33 Figure 4 32 Lock the AC connector cover to the inverter with screws as shown in Figure 4 32 Screw up the rubber ring and anti water cap to make...

Page 24: ...be reliable otherwise the CT measurement accuracy may be af fected Note The rated current of CT in the inverter accessory box is 80A and the maximum allowed inserted cable diameter is 16mm If the max...

Page 25: ...Australia use One key to shut off PARCAN Parallel CAN communication bus interface EMS EMS power dispatching interface RLYOUT Dry contact output a group of normally open contact passive dry contact In...

Page 26: ...A 3M length battery communication cable is already attached to the inverter when you received it and you just need to insert it to the BMS interface of the inverter and battery Multiple inverters para...

Page 27: ...d Sunways doesn t provide the DRED device for the customer DRED connection uses the 6pin terminal on the left side and you can use the matching 6pin terminal in the accessory box to make the connectio...

Page 28: ...herwise please refer to the QUICK INSTALLATION GUIDE which is attached to the accessory bag 5 Start and Stop 5 Start and Stop 5 1 Start Inverter When starting the inverter follow these steps Turn the...

Page 29: ...l General Settings Advanced Settings WorkMode Set Battery_ID Set Setting Setting Main Window Wai ng Checking Normal Fault Info Main Window Wai ng Checking Normal Fault Info Main Window Wai ng Checking...

Page 30: ...e reasons OffGrid ReConn When the power grid is off the inverter can automatically restart the back up output after a fault or overloading protection occurred if the Off grid Restart is ON Otherwise t...

Page 31: ...Settings Short press 1s switch window Long press 3s enter the lower Menu No need to press just wait Test Pass Fail Auto Test CEI 0 21 Auto Test Record IPS Item Test Null Password 1111 Test Result Dis...

Page 32: ...ty company DCI Fault DC injection High Inverter de tects a higher DC component in AC output Restart the inverter Seek for help from the installer or manufacture Error Message Description Solution ISO...

Page 33: ...connect the AC DC cables Check whether the fan is blocked by foreign matters If not replace the fan Bus Voltage Hard Fault BUS voltage is over high Restart the inverter Seek for help from the installe...

Page 34: ...inlet and outlet if necessary Six months to a year it depends on the dust contents in air 7 2 Maintenance Danger Risk of inverter damage or personal injury due to incorrect service Always keep in mind...

Page 35: ...z Max Apparent Output Power kVA 4 4 5 5 6 6 Model STH 4KTL HT STH 5KTL HT STH 6KTL HT Peak Overload Apparent Power kVA 8 60s 10 60s 12 60s Single phase Peak Output Power kVA 1 6 2 1 2 6 Voltage Harmon...

Page 36: ...r kVA 8 8 11 13 2 Peak Overload Apparent Power kVA 16 60s 20 60s 20 60s Single phase Peak Output Power kVA 3 3 4 5 Voltage Harmonic Distortion 3 Linear Load 8 Technical Parameters Model STH 8KTL HT ST...

Page 37: ...S11 00019 01 No 1 Second Road Green Industrial Zone Chongshou Town Cixi City ZheJiang Province PRC www sunways tech com service sunways tech com...

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