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