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※  6.5 Grid Protection settings

This mode can be enabled via the configuration software.It is enabled by default in some 
regions, such as AU market. For information on how to change default setpoints please 
contact Sunways Technical Support at [email protected]. User have access to 
view the grid protection status in Sunways Portal APP.  Please refer to bellow steps.

6.6 Fixed power factor setting

Please set “Power Factor” under the menu “Power Factor” in “Advanced Settings”.
Please follow this flow chart to set”Power Factor”:
The “Power Factor” settings are password protected. User should be able to view but not 
edit. If you are installer, please contact importer for password.  If there are any problems 
in the installation process, please call Sunways service telephone at +86400-9922-958 or 
email Sunways at [email protected] for consultation.

6.4.1 Power derating for voltage variation (Volt-Watt mode)

This mode can be enabled via the configuration software.It is enabled by default in some 

regions, such as AU market. For information on how to change default setpoints please 

contact Sunways Technical Support at [email protected].

6.4.2 Reactive power regulation for voltage variation (Volt-VAr mode)

This mode can be enabled via the configuration software.It is enabled by default in some 

regions, such as AU market. For information on how to change default setpoints please 

contact Sunways Technical Support at [email protected].

6.4.3 Reactive power mode

This mode can be enabled via the configuration software.It is enabled by default in some 

regions, such as AU market. For information on how to change default setpoints please 

contact Sunways Technical Support at [email protected].

※  6.4 Power Quality Response Modes

Through the host computer software, set the ON/OFF state of the power quality response 
mode to enable/disable this function. The default for this function in Australia is the ON 
state. User have access to view the power quality response moude status in Sunways 
Portal APP. Please refer to bellow steps.

6  General Operation

6  General Operation

Me

How to View

Steps In Sunways Portal APP

Device

Management

Device List

Protection

Parameters

…

Parameter

Settings

How to View 

Steps In Sunways Portal APP

Me

Device

Management

Device List

Power 

Control

Grid

Parameters

…

Parameter

Settings

Main 

Window

Advanvced

Settings

Password

Setting 

OK

Verified

OK

Power

Factor

Setting

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

Содержание STT Series

Страница 1: ...S U N W A Y S T E C H N O L O G I E S C O LT D Grid connected Inverter STT 4 25KTL User Manual AU...

Страница 2: ...Connection 24 4 5 Monitoring Device Installation 31 4 6 Meter RS485 DRED Connection 32 5 Start and Stop 36 5 1 Start the Inverter 36 5 2 Stop the Inverter 36 6 General Operation 37 6 1 Display Operati...

Страница 3: ...this document do not constitute any express or implied guarantee 1 Preface 1 1 Overview This manual is an integral part of Sunways STT 4 25kW series three phase inverters hereinafter referred to as th...

Страница 4: ...led in a high traffic area where the fault is likely to be seen 2 2 Statement Sunways Technologies Co Ltd has the right not to undertake quality assurance in any of the following circumstances Damages...

Страница 5: ...l on the Inverter nameplate Inverter status indicator Inverter running indicator Grounding symbol the inverter casing needs to be properly grounded The inverter cannot be disposed of with household wa...

Страница 6: ...ries inverter includes 20 models which are listed below STT 4KTL STT 5KTL STT 6KTL STT 8KTL STT 10KTL STT 12KTL STT 15KTL STT 17KTL STT 20KTL STT 25KTL STT 4KTL P STT 5KTL P STT 6KTL P STT 8KTL P STT...

Страница 7: ...erter must be stored in its original packaging The storage temperature and humidity should be in the range of 30 and 60 and less than 90 respectively If a batch of inverters needs to be stored the hei...

Страница 8: ...r faults detected specific fault information can be viewed from the display Off The inverter is running normally Slow flashing The monitoring device is not connected to the router or is not connected...

Страница 9: ...e 1 Optional AC Terminal 1 Ground Terminal 1 6Pin Terminal 1 Note Export limitation control version 2pcs RS485 and DRED version 1 pcs This connector already pre installed inside the inverter STT 4 12k...

Страница 10: ...inverter at eye level for easy inspection of screen data and further maintenance The ambient temperature of the inverter installation location should be between 30 and 60 The surface temperature of th...

Страница 11: ...ate in the accessory bag then fix the L shaped plate to the mounting bracket Figure 4 6 Bracket assembly Use an electrical driller with 10mm diameter bit to drill 5 holes in the wall with 80mm depth W...

Страница 12: ...l to the grounding hole in the lower right side of the inverter as shown in Figure 4 9 The cross sectional area of the external grounding cable is 4mm2 Danger Do not connect the N wire as a protective...

Страница 13: ...pole of the PV string otherwise it will cause serious damage to the inverter Warning Static may cause damage to the electronic components of the inverter Anti static measures should be taken during in...

Страница 14: ...er grid make sure that the power grid voltage and frequency meet the requirements of the inverter See technical parameters for details All Sunways inverters incorporate internal RCD Residual Current D...

Страница 15: ...ve wires into the appropriate hole of the terminal head by following the rules yellow green wire to PE port red or brown fire wires to L ports no requests for the sequence of three fire wires and blue...

Страница 16: ...The 4G and GPRS version module does not need to be configured 2 The WiFi version module needs to be configured to the router for the first installation If the router name or password are changed the W...

Страница 17: ...ter with 3CTs to activate the Export Limitation control function on Sunways STT series inverter 1 RS485 A 2 RS485 B 3 PE NULL Port 2 Export limitation control RS485 DRED version with this port ln case...

Страница 18: ...oss sectional area of 0 75 1 5mm and an outer diameter of 5mm 10mm RS485 cable requirements Shielded twisted pair cable or shielded twisted Ethernet cable 4 6 3 Export limitation control or generation...

Страница 19: ...es until the inverter is completely de energized before conducting any work on the inverter Disconnect the AC and DC cables 6 General Operation 6 1 Display Operation When the inverter is turned on the...

Страница 20: ...the residencial three phase solar system is 15kVA in most of the states in Australia Check the local DNSPs or authorities if they allow AC output more than 15kVA Note Advanced settings can only be cha...

Страница 21: ...s tech com 6 4 2 Reactive power regulation for voltage variation Volt VAr mode This mode can be enabled via the configuration software It is enabled by default in some regions such as AU market For in...

Страница 22: ...mit in Advanced Settings Please follow this flow chart to set Export Limit The Export Limit settings are password protected User should be able to view but not edit the Export Limit If you are install...

Страница 23: ...ation Limit settings are password protected User should be able to view but not edit the Generation Limit If you are installer please contact importer for password If there are any problems in the ins...

Страница 24: ...icker AC cable if that is the case 7 Troubleshooting Error Message Description Troubleshooting Grid Frequency Fault Grid over frequency or underfrequency the grid frequency is higher or lower than the...

Страница 25: ...ult AC transducer anomaly Restart the inverter wait a moment for inverter recovery If the fault occurs repeatedly please contact Sunways Error Message Description Troubleshooting Relay Check Fail Self...

Страница 26: ...an the air inlet and outlet if necessary Six months to a year it d e p e n d s o n t h e d u s t contents in air 7 2 PV System for Ground Faults If ground fault occurs the inverter will beep the red L...

Страница 27: ...RD1699 NBR16149 IEC61727 IEC60068 IEC61683 EN50549 EN61000 8 Technical Parameters Model STT 6KTL STT 6KTL P STT 8KTL STT 8KTL P Input Start up Voltage V 200 180 200 180 Max DC Input Voltage V 1 100 1...

Страница 28: ...BR16149 IEC61727 IEC60068 IEC61683 EN50549 EN61000 Model STT 10KTL STT 10KTL P STT 12KTL STT 12KTL P Input Start up Voltage V 200 180 200 180 Max DC Input Voltage V 1 100 1 100 1 100 1 100 Rated DC In...

Страница 29: ...99 NBR16149 IEC61727 IEC60068 IEC61683 EN50549 EN61000 Model STT 15KTL STT 15KTL P STT 17KTL STT 17KTL P Input Start up Voltage V 200 180 200 180 Max DC Input Voltage V 1 100 1 100 1 100 1 100 Rated D...

Страница 30: ...1699 NBR16149 IEC61727 IEC60068 IEC61683 EN50549 EN61000 Model STT 20KTL STT 20KTL P STT 25KTL STT 25KTL P Input Start up Voltage V 200 180 200 180 Max DC Input Voltage V 1 100 1 100 1 100 1 100 Rated...

Страница 31: ...grated AC Short circuit Protection Integrated AC Over voltage Protection Integrated General Data Dimensions mm 550W 410H 175D Weight kg 25 29 25 29 Protection Degree IP65 Self consumption at Night W 1...

Страница 32: ...S11 00030 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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