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110

step 5 Pull out the fans. Clean them with a soft brush or vacuum cleaner, and replace them when

necessary.

- - End

9 Troubleshooting and Maintenance

User Manual

Summary of Contents for SG110CX-P2

Page 1: ...SG125CX P2 SG110CX P2PV Grid Connected InverterUser ManualSG125_110CX P2 UEN Ver13 202206 User Manual PV Grid Connected Inverter SG125CX P2 SG110CX P2 SG125_110CX P2 UEN Ver13 202206...

Page 2: ......

Page 3: ...anual are owned by SUNGROW All other trademarks or registered trademarks mentioned in this manual are owned by their respective owners Software Licenses It is prohibited to use data contained in firmw...

Page 4: ...tri cal and mechanical schematics Have received professional training related to the installation and commissioning of elec trical equipment Be able to quickly respond to hazards or emergencies that o...

Page 5: ...te risk potential hazards that if not avoided may lead to death or serious injury Indicates low risk potential hazards that if not avoided may lead to minor or mod erate injury Indicates potential ris...

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Page 7: ...oduct 9 2 4 LED Indicator 10 2 5 Circuit Diagram 11 2 6 Function Description 11 3 Unpacking and Storage 14 3 1 Unpacking and Inspection 14 3 2 Inverter Storage 14 4 Mechanical Mounting 16 4 1 Safety d...

Page 8: ...49 5 7 1 PV Input Configuration 50 5 7 2 Assembling the PV Connectors 51 5 7 3 Installing the PV Connector 53 5 8 Wiring of Tracking System Power Cable optional 53 5 9 Wireless Communication Module Co...

Page 9: ...er Regulation Parameters 87 7 8 4 Communication Parameters 93 7 8 5 Firmware Update 93 7 8 6 Password Changing 94 8 System Decommissioning 96 8 1 Disconnecting the Inverter 96 8 2 Dismantling the Inve...

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Page 11: ...or any safety in struction in this manual When installing operating and maintaining the product comply with local laws and regulations The safety precautions in this manual are only supplements to lo...

Page 12: ...Connection Safety Before electrical connections please make sure that the inverter is not damaged otherwise it may cause danger Before electrical connections please make sure that the inverter switch...

Page 13: ...n the PV generation system must be firmly attached properly insulated and adequately dimensioned Check the positive and negative polarity of the PV strings and connect the PV con nectors to correspond...

Page 14: ...k the inverter status If the inverter indicator is off please wait until night to disconnect the DC switch If the inverter indicator is on directly disconnect the DC switch After the inverter is power...

Page 15: ...l If necessary contact your distributor first If the problem persists contact SUNGROW Otherwise the losses caused is not covered by the warranty 1 6 Disposal Safety Please scrap the product in accorda...

Page 16: ...The inverter must not be connected to a PV string that requires positive or negative grounding Do not connect any local load between the inverter and the AC circuit breaker The inverter applies only t...

Page 17: ...verter is applied to an ITsystem before enabling the PID recovery function 2 2 Product Introduction Model Description The model description is as follows Take SG125CX P2 as an example User Manual 2 Pr...

Page 18: ...er cable for tracking system 3 Additional ground ing terminals 2 use at least one of them to ground the inverter 4 Bottom handles 2 used to move the inverter 5 Mounting ears 4 used to hang the inverte...

Page 19: ...the inverter together with household waste T V mark of conformity CE mark of conformity EU EEA Importer Regulatory compliance mark CGC SOLAR mark of conformity UKCA mark of conformity Disconnect the i...

Page 20: ...escription of the LED indicator LED color State Definition Blue On The device is connected to the grid and operating normally Fast blink Period 0 2s The Bluetooth communication is connected and there...

Page 21: ...input to ensure the maximum power from the PV array at dif ferent PV input conditions The inverter circuit converts the DC power into grid compliant AC power and feeds it into the grid The AC filter f...

Page 22: ...rmation or set inverter parameters such as running parameter and protection parameter through the iSolarCloud It is recommended to use the communication module from SUNGROW Using a device from other c...

Page 23: ...nabled it only works at night PID recovery function and reactive power generation at night cannot be enabled at the same time After the PID recovery function is enabled the voltage of the PV string to...

Page 24: ...appearance and structural parts of the device are damaged and check whether the packing list is consistent with the actual ordered product If there are problems with the above inspection items do not...

Page 25: ...ceptible to rodents and insects Carry out periodic inspections Inspection shall be conducted at least once every six months If any insect or rodent bites are found replace the packaging materials in t...

Page 26: ...g may cause personal injury When moving the inverter be aware of its weight and keep the balance to pre vent it from tilting or falling Wear proper protective equipment before performing operations on...

Page 27: ...ty terrain and forest coverage Inverters free from direct sunlight direct rain and snow have longer service life Consider sheltered places as the installation location The inverter should be well vent...

Page 28: ...cessively backward sideways or upside down Inverters in floating plants cannot be installed at a back tilt tilting backwards installation requirements In case the installation site is a level surface...

Page 29: ...que re quirements in this manual to ensure that they are tight and sealed 4 2 4 Clearance Requirements Spacing for installing an inverter Reserve enough clearance around the inverter to ensure suffici...

Page 30: ...ipation channel The baffle plate should be placed horizontally between two inverters and should not block the air outlet of inverters 4 3 Installation Tools Installation tools include but are not limi...

Page 31: ...el Rubber mallet Socket wrench set M4 M8 M12 Wrench 16 mm 33 mm Wrist strap Wire cutter Wire stripper Hydraulic plier Heat gun EVO2 terminal crimping pliers 4 6mm2 EVO2 terminal wrench Multimeter 1100...

Page 32: ...ing to its weight and installation personnel should wear protective equipment such as anti impact shoes and gloves Attention must be paid to the center of gravity of the inverter to avoid tilting dur...

Page 33: ...nch Opening 16 mm Spare parts Item Quantity Specification Source Grub screw 2 M4 10 Delivery scope Bolt assembly 4 M10 Delivery scope step 1 Assemble the mounting bracket by using the connecting bar s...

Page 34: ...aded bolt C Metal bracket D Flat washer E Spring washer F Hex nuts End 4 5 2 Wall Mounted Installation Tools Item Specification Phillips screwdriver electric screw driver M4 Marker Level Hammer drill...

Page 35: ...sembled mounting bracket by using the level and mark the positions for drilling holes on the installation site step 3 Insert the expansion bolts into the holes and secure them with a rubber hammer Fas...

Page 36: ...parts Item Quantity Specification Source Grub screw 2 M4 10 Delivery scope Bolt assembly 4 M10 Delivery scope Nut assembly 4 M10 Self prepared U shaped steel 2 Self prepared Clamp 3 Determined by colu...

Page 37: ...27 step 3 Mark and punch holes in the U beam according to the dimensions shown below step 4 Use bolts and clamps to fix the U beam to the column User Manual 4 Mechanical Mounting...

Page 38: ...ewdriver electric screw driver M6 Spare parts Item Quantity Specification Source Grub screw 2 M6 65 Delivery scope step 1 Take out the inverter from the packing case step 2 Hang the inverter to the mo...

Page 39: ...29 step 3 Fix the inverter with screws It is necessary to fix the left and right sides of the inverter with screws Otherwise the inverter may be unstable End User Manual 4 Mechanical Mounting...

Page 40: ...amaged and all cables are voltage free before performing electrical work Do not close the AC circuit breaker until the electrical connection is complete Damage to the product caused by incorrect wirin...

Page 41: ...atter or moisture from entering and affecting the long term normal operation of the inverter Comply with the safety instructions related to PV strings and the regulations re lated to the utility grid...

Page 42: ...ed may differ Item Terminal Mark Note A PV terminals PV connector B DC Switch DC SWITCH Used to switch on and off the DC input C Communica tion terminal COM3 For communication module connection D AC w...

Page 43: ...he electrical connection should be realized as follows A PV string B Inverter C Tracking Control Box D Grid E Monitoring device F AC circuit breaker table 5 1 Cable Requirements No Cable Type Specific...

Page 44: ...3 N wire 70 120 PE wire refer to table 5 2 PE Wire Requirements Four single core outdoor aluminum cables 1 2 Outdoor PE cable 14 32 L1 L2 L3 N wire 120 240 PE wire refer to table 5 2 PE Wire Requireme...

Page 45: ...PE Wire Cross Section Note S 2 S Phase wire cross section The specifications are valid only when the phase wire and PE wire use the same material If otherwise ensure that the cross section of the PE...

Page 46: ...sure that the copper bar is not in direct contact with the aluminum wire Other wise electrochemical corrosion may occur impairing the reliability of electrical connection 5 5 External Protective Groun...

Page 47: ...ll not be held liable for the possible consequences 5 5 1 External Protective Grounding Requirements All non current carrying metal parts and device enclosures in the PV power system should be grounde...

Page 48: ...SG110CX P2 400V 250A AC circuit breakers should be installed on the output side of the inverter and the grid side to ensure safe disconnection from the grid Determine whether an AC circuit breaker wi...

Page 49: ...al power grid voltage A transformer with a tap changer on the HV side is recommended in order to keep con sistent with the grid voltage The voltage drop of system cable is no more than 3 The DC compon...

Page 50: ...2 Requirements for OT DT Terminal OT DT terminals not included in the delivery scope are required for fixing AC cables to the terminal block Purchase the OT DT terminals according to the following re...

Page 51: ...ws on the front cover are captive screws When the front cover is opened the screws remain on it step 3 Loosen screws on the bottom sealing plate using the supplied hexagon socket wrench and remove the...

Page 52: ...42 step 5 Lead the cable with the protective layer stripped through the sealing ring and secure screws on the bottom sealing plate step 6 Open the protective cover 5 Electrical Connection User Manual...

Page 53: ...Note the terminal positions of PE wire and N wire If a phase wire is connected to the PE terminal or N terminal unrecoverable damage may be caused to the inverter Ensure that the depth L of the socket...

Page 54: ...ction box and tighten the two screws on the front cover using the supplied hexagon socket wrench End If the PE cable is an independent single core cable it is inserted into the cabinet through the sta...

Page 55: ...the supplied hexagon socket wrench and open the junction box Keep the cover of the junction box open during wiring with a limit rod attached to the cover The screws on the front cover are captive scr...

Page 56: ...he sealing plate is re moved the screws remain on it step 4 Cut off the excess part of sealing ring according to cable diameter step 5 Lead the cable through the sealing ring and secure the screws on...

Page 57: ...rimped OT DT terminals to corresponding terminals and secure them Note the terminal positions of PE wire and N wire If a phase wire is connected to the PE terminal or N terminal unrecoverable damage m...

Page 58: ...is not less than 28 mm step 8 Close the protective cover step 9 Remove the limit rod and put it back Close the junction box and tighten the two screws on the front cover using the supplied hexagon soc...

Page 59: ...7 DC Cable Connection The PV string will generate lethal high voltage when exposed to sunlight Respect all safety instructions listed in relevant documents about PV strings User Manual 5 Electrical Co...

Page 60: ...switch to OFF and remove the DC connector to adjust the polarity of the strings when the string current is lower than 0 5 A The following requirements about PV string connection must be met Otherwise...

Page 61: ...ee before performing electrical operations Do not connect the AC circuit breaker before finishing electrical connection SUNGROW provides corresponding PV connectors in the scope of delivery for quick...

Page 62: ...he insulator until it snaps into place Gently pull the cable backward to ensure firm connection step 4 Tighten the cable gland and the insulator step 5 Check for polarity correctness If the PV polarit...

Page 63: ...1 100 V step 3 Connect the PV connectors to corresponding terminals until there is an audible click step 4 Follow the foregoing steps to connect PV connectors of other PV strings step 5 Seal any unus...

Page 64: ...the seal ring The length of unstripped cable in the AC junction box is 50mm step 4 Place the OT terminals of power cable for tracking system on the OT DT terminals of the AC cable and secure them 5 E...

Page 65: ...needed between the inverter and tracking system control box for protection The length of the cable between the internal connection terminals of the inverter and the fuse is no more than 2 5m 5 9 Wire...

Page 66: ...r details see the quick guide for the WiNet S module Scan the following QR code for the quick guide 5 10 1 Ethernet Communication step 1 Optional Strip the insulation layer of the communication cable...

Page 67: ...ut and gasket Afterwards route the cable into the opening of the sealing Finally insert the cable through the housing step 5 Insert the RJ45 plug into the front plug connector until there is an audibl...

Page 68: ...aterproof lid from the COM1 terminal step 2 Install the module Slightly shake it by hand to determine whether it is installed firmly as shown below step 3 Refer to the guide delivered with the module...

Page 69: ...tion box back and ensure a firm connection 5 12 Communication Wiring Board The inverter communication board consists of two layers RS485 communication interface on the upper layer and DI DO interface...

Page 70: ...nect LED indicators or other devices to indicate whether the inverter is in the faulty state The inverter can provide export control but will require the use of a external smart meter The export contr...

Page 71: ...al B3 RS485B differential signal RJ45 and terminal block are two types of RS485_1 interface with same functions and different wiring methods Choose one of the interfaces for wiring 5 13 2 RS485 Commun...

Page 72: ...iple inverters communicate via the smart communication box the number of permissible daisy chains and the number of devices allowed to be connected should meet the requirements refer to the user manua...

Page 73: ...ep 4 Lead the cable through the swivel nut the sealing ring and the junction box in sequence Outer Diameter D mm Sealing Rings 4 5 6 c 6 12 a b 12 18 b step 5 Connect cables to the terminal socket ste...

Page 74: ...unication junction box referring to Remove the Communication Junction Box step 2 Unscrew the swivel nut of the junction box and select the sealing ring according to the cable diameter Lead the cable t...

Page 75: ...e connected to the communication circuit board skip the subsequent steps and continue wiring Otherwise perform as follows step 6 Install the communication junction box referring to Install the Communi...

Page 76: ...ntact when a fault occurs When alarm occurs signal status change will not be triggered Use LED indicators or other equipment to indicate whether the inverter is in the faulty state The following Figur...

Page 77: ...power over 30kW an external NS Protection Relay is connected to inverters that are connected to each other with NS Protection terminals When the grid runs abnormally the status of the relay s dry con...

Page 78: ...apter 5 13 3 Connection Procedure Ter minal Block to implement fault output emergency shutdown and NS protection For NS protection including passive valid enable the function on iSolarCloud refer to 7...

Page 79: ...ntact your distributor first If the problem persists contact SUNGROW The DRM function is only applicable to devices for Australia and New Zealand 5 15 2 Connection Procedure step 1 Remove the communic...

Page 80: ...th a crimping tool Pin Assignment for inverters capable of both charging and discharging 1 DRM 1 5 2 DRM 2 6 3 DRM 3 7 4 DRM 4 8 5 RefGen 6 Com DRM0 7 V 8 V step 4 Insert the RJ45 connector to the RJ4...

Page 81: ...71 End User Manual 5 Electrical Connection...

Page 82: ...e items mentioned above meet the requirements proceed as follows to start up the inverter for the first time step 1 Rotate one DC switch of the inverter to the ON position When the indicator blinks bl...

Page 83: ...73 step 5 The home page is automatically displayed when the initialization is completed The indicator is steady blue and the inverter is in grid connected operation End User Manual 6 Commissioning...

Page 84: ...ntenance on the inverter This manual describes only how to achieve near end maintenance via the Bluetooth connection For remote maintenance through the Eye WiFi or WiNet S refer to the related manuals...

Page 85: ...he App to enter the login page tap Local Access at the bottom of the page to go to the next page step 2 Establish the Bluetooth connection by either of the two following ways If the LED indicator flas...

Page 86: ...76 figure 7 1 Bluetooth Connection step 3 Enter the identity verification screen after the Bluetooth connection is established 7 iSolarCloud App User Manual...

Page 87: ...vide the required information contact SUNGROW step 4 If the inverter is not initialized you will enter the quick setting screen of initializing protection parameter figure 7 3 Initialization Protectio...

Page 88: ...ZS 4777 2 2020 Australia C ENERGEX Ergon Energy STNW1170 single phase 10 kVA three phase 30 kVA STNW1174 30 kVA PN 1500 kVA Endeavour Energy MDI 0043 Ausgrid NS194 Jemena 10kVA per phase or 30 kVA per...

Page 89: ...ect from Australia A B C Please con tact your electricity grid operator for which region to use step 6 After finishing the settings tap TUNR ON DEVICE at the upper right corner and the device will be...

Page 90: ...splays the PV power generation power feed in power etc The line with an arrow indicates energy flow between connected devices and the arrow pointing indicates energy flow direction 5 Power generation...

Page 91: ...cording to the scheduling instructions received from the monitoring background Fault If a fault occurs the inverter will automatically stop operation and dis connect the AC relay The fault information...

Page 92: ...e run information includes the PV information inverter information input information and output information 7 7 Records Tap Records on the navigation bar to enter the screen showing event records as s...

Page 93: ...00 latest entries Select one of the records in the list and click the record to view the detailed fault info as shown in following figure figure 7 9 Detailed Fault Alarm Information Yield Record Tap Y...

Page 94: ...percentage of present power to rated power Daily energy histogram Shows the power output every day in the present month Monthly energy histogram Shows the power output every month in a year Annual en...

Page 95: ...he boot shutdown instruction to the inverter For Australia and New Zealand when the DRM state is DRM0 the Boot option will be prohibited Date Setting Time Setting The correct system time is very impor...

Page 96: ...ult Clear PID alarm If ISO impedance abnormality or PID function exception is de tected during running of the PID function the inverter reports a PID false alarm and reminds the user to take correspon...

Page 97: ...corresponding screen on which you can set the NS Protection Passive Valid figure 7 16 NS Protection Passive Valid 7 8 3 Power Regulation Parameters Active Power Regulation Tap Settings Power Regulati...

Page 98: ...power soft start time after fault Time that the soft start takes to raise the power from 0 to 100 rated power 1s 1200s Active power gradient control Switch for enabling disabling the active power rat...

Page 99: ...percentage 0 110 Shutdown when active power limit to 0 Switch used to determine whether the inverter is in stop state when the limited power reaches 0 Enable Disable 100 Scheduling to achieve active...

Page 100: ...ion during reactive power Enable Disable Closed loop control reactive power regulation Switch for closed loop control during reactive power Enable Disable Reactive power regu lation mode Reactive powe...

Page 101: ...The setting range of the reactive power ratio is 0 100 or 0 100 corresponding to the ranges of inductive and capacitive reactive power regulation respectively Q P Mode The PF of the inverter output v...

Page 102: ...rameter Explanation Range Reactive response Switch for enabling disabling reactive response Enable Disable Reactive response time Completion time of reactive response 0 1s 600 0s Q U curve Select corr...

Page 103: ...e C is reserved and consistent with Curve A currently figure 7 20 Q U Curve 7 8 4 Communication Parameters Serial Port Parameters Tap Settings Communication Parameters Serial Port Parameters to enter...

Page 104: ...p in the upper right corner of the screen to view the downloaded firmware upgrade package step 6 Login the App via local access mode Refer to 7 3 Login step 7 Tap More on the App home screen and then...

Page 105: ...95 figure 7 22 Change Password The password shall consisit of 8 20 digits including letters and numbers User Manual 7 iSolarCloud App...

Page 106: ...he capacitors inside the inverter completely discharge step 4 Ensure that the DC cable is current free via a current clamp End 8 2 Dismantling the Inverter Risk of burn injuries and electric shock Aft...

Page 107: ...conservation End 8 3 Disposal of the Inverter Users take the responsibility for the disposal of the inverter Please scrap the inverter in accordance with relevant local regulations and stand ards to a...

Page 108: ...tual grid voltage and contact the local electric power company for solutions if the grid voltage is higher than the set value 2 Check whether the protection parameters are appropriately set via the Ap...

Page 109: ...ted to the correct terminal whether the live wire and the N wire are correctly in place 4 Check whether the AC circuit breaker is connected 5 Contact Sungrow Customer Service if the pre ceding causes...

Page 110: ...s of reverse polarity If so disconnect the DC switch and adjust the polarity when the string current drops below 0 5 A 2 Contact Sungrow Customer Service if the pre ceding causes are ruled out and the...

Page 111: ...to code 595 are corresponding to string 17 to string 32 respectively 37 Excessively High Ambient Temperature Generally the inverter will resume operation when the internal or module temperature retur...

Page 112: ...nals to ensure a reli able connection 5 Contact Sungrow Customer Service if the pre ceding causes are ruled out and the fault persists 106 Grounding Cable Fault 1 Check whether the AC cable is correct...

Page 113: ...nication cable of the meter 3 Contact Sungrow Customer Service if the pre ceding causes are ruled out and the alarm persists 323 Grid Confrontation 1 Check whether the output port is connected to actu...

Page 114: ...233 432 434 500 513 515 518 635 638 900 901 910 911 996 System Alarm 1 The inverter can continue running 2 Check whether the related wiring and terminal are abnormal check whether there are any for e...

Page 115: ...re bat teries Close the AC and DC switches in turn 15 minutes later and restart the system 2 If the fault persists please contact Sungrow Power Customer Service 1548 1579 String Current Reflux 1 Check...

Page 116: ...ngrow Customer Service 9 2 Maintenance 9 2 1 Maintenance Notices Risk of inverter damage or personal injury due to incorrect service Be sure to use special insulation tools when perform high voltage o...

Page 117: ...osses caused is not covered by the warranty Touching the PCB or other static sensitive components may cause damage to the device Do not touch the circuit board unnecessarily Observe the regulations to...

Page 118: ...nance Power off the inverter and disconnect it from all power supplies before main taining fans After the inverter is powered off for 10 minutes measure the voltage and cur rent with professional inst...

Page 119: ...Press the tab of the latch hook unplug the cable connection joint outwards and loosen the screw on the fan holder step 4 Loosen screws on the side of the fan module User Manual 9 Troubleshooting and M...

Page 120: ...110 step 5 Pull out the fans Clean them with a soft brush or vacuum cleaner and replace them when necessary End 9 Troubleshooting and Maintenance User Manual...

Page 121: ...P voltage range 180 1000 V No of independent MPP inputs 12 No of PV strings per MPPT 2 Max PV input current 360 A 30 A 12 Max DC Short cir cuit current 480 A 40 A 12 Max current for DC connector 20A O...

Page 122: ...Feed in phases connection phases 3 3 N PE Efficiency Max efficiency European efficiency 98 5 98 3 98 6 98 3 Protection Grid monitoring Yes DC reverse polar ity protection Yes AC short circuit protect...

Page 123: ...luetooth APP Communication RS485 Optional WLAN Ethernet DC connection type Evo2 Max 6 mm AC connection type OT DT terminal Max 240 mm Grid Support Q at night function LVRT HVRT active reactive power c...

Page 124: ...85 959 12 1086 879 13 1002 812 14 931 754 15 869 703 16 814 660 17 766 621 18 724 586 19 686 555 20 652 528 21 620 502 22 592 480 23 567 459 24 543 440 25 521 422 In case the specification of the cabl...

Page 125: ...rectly installed refitted or used The device operates in harsh conditions beyond those described in this manual The fault or damage is caused by installation repairs modification or disassembly per fo...

Page 126: ...www sungrowpower com Sungrow Power Supply Co Ltd...

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