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Sungrow SG2KTL-S, User Manual

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Sungrow SG2KTL-S User Manual Download Page 36

5 Electrical Connection 

 

User Manual 

28 

 

 

480.0

+

-

 

 

 

The inverter will not function properly if the DC polarities are reversed. 

Check the positive and negative polarities of the PV cells before installation. 

 

3.

 

For  –D  series,  configure  PV  configuration  mode  according  to  actual  PV 
conditions. Please refer to ”

-D Series

”.   

4.

 

Plug  the  positive  and  the  negative  DC  connectors  into  corresponding 
terminal until there is an audible click. 

 

* The image shown here is for reference only. The actual product you receive may 
differ. 

5.

 

Seal the unused DC terminals with the terminal caps. 

 

Summary of Contents for SG2KTL-S

Page 1: ...SG2_3_5KTLV21 UEN Ver20 201608 Version 2 0 User Manual SG2KTL S SG3KTL S SG3KTL D SG5KTL D PV Grid Connected Inverter...

Page 2: ......

Page 3: ...who are responsible for the installation and commissioning of the inverter and y inverter owners who will have the ability to interact with the inverter How to Use This Manual Read the manual and othe...

Page 4: ...hazard with a medium level of risk that if not avoided could result in death or serious injury Indicates a hazard with a low level of risk that if not avoided could result in minor or moderate injury...

Page 5: ...ction Description 7 2 4 AS4777 2015 Compliant 8 2 4 1 External Demand Response 8 2 4 2 Reactive Power Regulation 9 2 4 3 Power Quality Response 9 3 Unpacking and Storage 10 3 1 Unpacking and Inspectio...

Page 6: ...riers 30 6 2 2 Scenario 2 On Different Floors 31 6 2 3 Scenario 3 In Different Rooms on the Same Floor 32 6 3 SolarInfo Home APP 32 6 3 1 Acquisition and Installation 32 6 3 2 Visiting Inverter via Di...

Page 7: ...eak Wi Fi Signal of Inverter 51 10 3 Cannot Find Wi Fi Network of Router 53 10 4 Cannot Connect to Wi Fi Network of Router 54 10 5 Transmission Signal Strength of Different Materials 56 10 6 Cannot Fi...

Page 8: ......

Page 9: ...rk related safety warnings and notes will be specified at critical points in this manual 1 1 General Safety PV Panels Please follow the safety instructions related to the PV array Lethal voltage PV st...

Page 10: ...not open the enclosure at any time Loss of any or all the rights may follow if otherwise y When the enclosure lid is removed live components can be touched which can result in death or serious injury...

Page 11: ...y setting may cause a breach of the type certificate marking Inverter damage due to electrostatic discharge ESD By touching the electronic components you may damage the inverter For inverter handling...

Page 12: ...ty grid and is fed into the utility grid An example about the intended use is shown in Fig 2 1 Fig 2 1 Application in a PV Power System Item Description Remarks A PV strings Monocrystalline silicon po...

Page 13: ...hown here is for reference only The actual product you receive may differ Item Name Description 1 LED indicator panel Human computer interaction interface 2 DC terminals To connect the PV array A pair...

Page 14: ...D SG5KTL D 360 390 133 11 2 2 3 LED Indicator Panel User can observe the color and blinking frequency of the indicator to get the current state of the inverter Fig 2 4 LED Indicator Panel For indicato...

Page 15: ...cation interface You can choose the RS485 terminal for connecting a communication or monitoring device to the PV system such as eShow eShow ZE100 and so on y Earth fault alarm If an earth fault occurs...

Page 16: ...s a RJ45 port for connecting to the communication module eShow eShow ZE100 that with a DRM port for connecting to a demand response enabling device DRED The DRED asserts demand respond modes DRMs The...

Page 17: ...t power of the inverter y Q u The reactive power output of the inverter varies in response to the grid voltage 2 4 3 Power Quality Response The inverter supports two power quality response modes which...

Page 18: ...g for any visible damage 2 Check the inner contents for damage after unpacking 3 Check the delivery contents for completeness according to the packaging list Contact SUNGROW or the distributor in case...

Page 19: ...product you receive may differ Item Description Item Description 1 SUNGROW logo and product type 3 Marks of certification institutions 2 Technical data 4 Barcode company name and origin Tab 3 1 Descr...

Page 20: ...ports c It is delivered only for the countries except Australia 3 4 Storage of Inverter If you do not install the inverter immediately choose an appropriate location to store it y Store the inverter i...

Page 21: ...loss due to bad ventilation y The inverter requires good ventilation during operation Keep it upright and nothing covering the heat sink Wear gloves to avoid scratches when mounting the inverter 4 2...

Page 22: ...ren 5 The max output power will reduce when the ambient temperature exceeds 45 C The following figure shows the ambient temperature and relative humidity limits 6 The location should be not flammable...

Page 23: ...r with a forward tilt or with a backward tilt or even with upside down The horizontal installation could result in damage to the inverter 11 Clearance requirement and multiple installation For multi r...

Page 24: ...ng bracket and the expansion plug sets The expansion plug set shown below is recommended for the installation 1 Place the wall mounting bracket to the wall and adjust it until it is in a horizontal po...

Page 25: ...it with an M4 screw torque 1 5 N m 4 Optional Install the communication module to the inverter The following figure takes the eShow module as an example Refer to the manual delivered with the module...

Page 26: ...t breaker until all the electrical connections are completed Improper operation during the wiring process can cause fatal injury to the operators or unrecoverable damage to the inverter Only qualified...

Page 27: ...er Tab 5 1 Terminal Descriptions Item Terminal Description 1 DC MC4 terminals for PV input 2 RS485 terminal For Wi Fi module eShow module or ZE100 module 3 Second PE terminal For reliable grounding 4...

Page 28: ...phase of the transformer can connect 10 inverters at most Please contact SUNGROW for a technical evaluation if more than 10 inverters are connected 5 3 Grounding the Inverter All non current carrying...

Page 29: ...endent two pole AC circuit breaker for the inverter must be installed at the output side for safe disconnection The recommended specifications are as follows Inverter Type Specification SG2KTL S SG3KT...

Page 30: ...Assembling the AC Connector 1 Lead the AC cable through the cable gland and the housing 2 Remove the cable jacket by 40 mm and strip the wire insulation by 8 15 mm 3 Fully insert the conductors to the...

Page 31: ...nal and mate them together by hand until a Click is heard or felt 3 Connect the other ends Connect PE conductor to the grounding electrode Connect L and N conductors to the AC circuit breaker 4 Connec...

Page 32: ...on S Series There is one input area with one MPP tracker Only one input can be connected as shown in the following figure Type Total DC Input Power Limit Open circuit Voltage Limit Short circuit Curre...

Page 33: ...PV inputs the specifications in the following table should be met Type Total DC Input Power Limit Open circuit Voltage Limit DC1 DC2 Short circuit Current Limit DC1 DC2 SG3KTL D 4000 W 600 V 600 V 12...

Page 34: ...odel 5 5 2 Assembling the PV Connector All DC cables are equipped with the water proof direct plug in connectors which match the DC terminals at the bottom of the inverter The DC cables must be multi...

Page 35: ...ny and all warranty rights y Make sure that the maximum short circuit current of each DC input is less than inverter allowable limit y Make sure that the maximum open voltage of each string is less th...

Page 36: ...before installation 3 For D series configure PV configuration mode according to actual PV conditions Please refer to D Series 4 Plug the positive and the negative DC connectors into corresponding ter...

Page 37: ...protection parameters according to the permissible range of the utility grid Refer to eShow User Manual for details ZE100 ZE100 mainly provides the zero export function LCD display and so on Refer to...

Page 38: ...phone is connected to the router the effective distance between them depends on the technical parameters of the router and the external environment Tab 6 1 Influence to Signal Strength of Different Ma...

Page 39: ...Cordless smartphones microwave ovens 6 2 2 Scenario 2 On Different Floors The inverter and the smartphone router can be located in different floors of a building yet the floors must be adjacent The im...

Page 40: ...r to avoid wireless electromagnetic interference please keep the inverter away from equipment such as cordless smartphones microwave ovens and so on y Do not install the inverter in confined environme...

Page 41: ...Or scan the QR code on the right side Search for SolarInfo Home in your APP Store from which you can download it and complete the installation For Android The address for downloading SolarInfo Home AP...

Page 42: ...operation Direct visit and Remote Login y In Direct visit mode you can connect your smartphone to the inverter directly via Wi Fi to check the inverter information y In Remote Login mode you need con...

Page 43: ...mmunication 35 6 3 2 Visiting Inverter via Direct visit Mode To perform the operations in this section be sure that the distance between the smartphone and the inverter is within the valid range Check...

Page 44: ...6 Communication User Manual 36 Country Selection and Router Connection To visit the inverter via Remote Login mode and check information anywhere firstly connect the inverter to home router...

Page 45: ...nication 37 6 3 3 Visiting Inverter via Remote Login Mode Complete the registration and you can then log into SolarInfo Home via the Internet to view the information wherever you happen to carry the d...

Page 46: ...so it must be valid y The username will be needed to find the forgotten password If you forget the username re register Login To perform the operations in this section be sure that your phone can acc...

Page 47: ...on top of the inverter 3 Inverter and accessories are correctly connected Cables are routed in a safe place and protected against mechanical damage 4 The specification of the AC circuit breaker is rea...

Page 48: ...after every 2 s ISO fault Flash 4 times after every 2 s Relay fault Flash 5 times after every 2 s Leakage current sensor self detection fault Flash continuously Other faults 1 The flashing period of t...

Page 49: ...follow the sequence of the above procedures Inverter will not work normally if otherwise 3 Wait about 10 minutes until the capacitors inside the inverter completely discharge 4 Measure to confirm that...

Page 50: ...rter referring to Chapter 4 in reverse steps 3 If necessary remove the wall mounting bracket from the wall 4 If the inverter will be reinstalled in the future please refer to 3 Unpacking and Storage f...

Page 51: ...to OFF 3 Check the inverter electrical connection Refer to 5 Electrical Connection 4 Check whether the voltage of DC input exceeds the inverter start up voltage 5 If all the above conditions are OK pl...

Page 52: ...1 Check the voltage of the grid 2 If the grid voltage exceeds the permissible range of inverter protection parameters ask utility grid company for solution 3 If the grid voltage is within the permiss...

Page 53: ...rent exceeds inverter limit 1 Wait a moment for inverter recovery 2 If the fault occurs repeatedly contact Sungrow Service Dept 012 A failure current is detected 1 Check the PV strings for ground faul...

Page 54: ...the inverter is in direct sunlight 4 Check whether the fan is normal Replace it if necessary 5 Clean the air inlets 6 If the fault still exists please contact Sungrow 037 The internal temperature of i...

Page 55: ...ncy is within the permissible range contact Sungrow Service Dept 056 Auxiliary DSP detects leakage current exceeds set protectino range 1 Check whether there is a grounded fault of the PV string 2 If...

Page 56: ...ry 2 If the fault occurs repeatedly contact Sungrow Service Dept 202 PV current exceeds the set value of the hardware If the fault occurs repeatedly contact Sungrow Service Dept 203 DC voltage samplin...

Page 57: ...ate testing devices Keep non related persons away A temporary warning sign or barrier must be posted to keep non related persons away while performing electrical connection and service work Risk of in...

Page 58: ...or the more recent revision of the manual which has been clearly and thoroughly understood Items Methods Period System clean Check the temperature and dust of the inverter Clean the inverter enclosur...

Page 59: ...odule has been damaged Please submit a warranty claim to SUNGROW for replacement 10 2 Too Weak Wi Fi Signal of Inverter The Wi Fi signal strength of inverter is too weak less than one Please follow th...

Page 60: ...m pool fish tank Brick wall Marble Floor Reinforced concrete Floor panels wall Metal Iron sheet cordless smartphones microwave ovens 6 Check and ensure that the installation of inverter and Wi Fi modu...

Page 61: ...ter List 2 The distance between the router and Wi Fi module should not be too far Ensure that there are no metal materials between them 3 Check and ensure that the router s SSID Service Set Identifier...

Page 62: ...Wi Fi network of the router 3 The distance between the router and Wi Fi module should not be too far Try to move the router closer to the Wi Fi module and ensure that the distance is within the valid...

Page 63: ...this parameter You may not able to connect to the Router if otherwise Check and ensure that the Enable DHCP Server is ticked Set the DHCP IP Address Range as wide as possible otherwise the accessed u...

Page 64: ...istered to be a user of SolarInfo Bank server no inverter running data can be viewed 1 Check and ensure that the router can successfully access to Internet 2 Check if the firewall is open Close the Ro...

Page 65: ...A 12 A Short circuit current of PV input DC1 DC2 12 A 24 A 12 A 12 A Output Side Data Nominal AC output power 2000 W 3000 W 3000 W 5000 W 4990 W cos 1 Max AC output apparent power 2000 VA 3000 VA 300...

Page 66: ...5 Night power consumption 1 W Operating ambient temperature range 25 60 45 derating Allowable relative humidity range 0 100 Cooling method Natural cooling Max operating altitude 2000 m Display LED ind...

Page 67: ...on No guarantee is made for the completeness of these documents Please contact our company or distributors to get the latest version Guarantee or liability claims for damage of any kind are excluded i...

Page 68: ...e Our products include converters inverters battery chargers and other power supplies for distributable generation systems in both grid connected and stand alone applications The power rating of SUNGR...

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