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step 4 Follow the foregoing steps to connect PV connectors of other PV strings.

step 5 Seal any unused PV terminal with a terminal cap.

If the PV string is equipped with the optimizer, please refer to the optimizer manual for elec-

trical connections and make sure that the polarity of the optimizer cables is correct.

- - End

5.8

Communication Junction Box

Remove the Junction Box

Pull out the pin and keep it properly, remove the junction box.

The pin removed is a required accessory for fixing the junction box. Store it prop-

erly and protect it against missing or deformation.

Install the Junction Box

Remount the wiring box and press it tightly, insert the pin, and secure the wiring box with the

supplied M4×25 screw.

User Manual

5 Electrical Connection

Содержание SG30CX

Страница 1: ...CX NI SG50CX NIPV Grid Connected InverterUser ManualSG30_33_40_50CX SG30_ 50CX NI UEN Ver21 202211 User Manual PV Grid Connected Inverter SG30CX SG33CX SG40CX SG50CX SG30CX NI SG50CX NI SG30_33_40_50C...

Страница 2: ......

Страница 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...

Страница 4: ...The inverter must only be installed by professional technicians The professional technician is required to meet the following requirements Know electronic electrical wiring and mechanical expertise an...

Страница 5: ...ent way Please carefully understand the meaning of these warning symbols to better use the manual Indicates high risk potential hazards that if not avoided may lead to death or seri ous injury Indicat...

Страница 6: ......

Страница 7: ...7 2 3 Symbols on Product 9 2 4 LED Indicator 9 2 5 DC Switch 10 2 6 Circuit Diagram 11 2 7 Function Description 12 3 Unpacking and Storage 14 3 1 Unpacking and Inspection 14 3 2 Inverter Storage 14 4...

Страница 8: ...l 36 5 6 3 Connection Procedure 36 5 7 DC Cable Connection 39 5 7 1 PV Input Configuration 40 5 7 2 Assembling PV Connectors 41 5 7 3 Installing PV Connector 42 5 8 Communication Junction Box 43 5 9 C...

Страница 9: ...71 7 8 4 Communication Parameters 76 7 8 5 Firmware Update 76 7 8 6 Password Changing 77 8 System Decommissioning 79 8 1 Disconnecting Inverter 79 8 2 Dismantling the Inverter 79 8 3 Disposal of Inver...

Страница 10: ......

Страница 11: ...ndards 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 16: ...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 to the scenari...

Страница 17: ...he model description is as follows Take SG30CX as an example Appearance The following figure shows the appearance of the inverter The image shown here is for reference only The actual product received...

Страница 18: ...otective grounding terminals Use to ground the inverter 6 Bottom handles To move the inverter 7 DC switches To disconnect the DC current safely 8 Wiring area AC terminals DC terminals and communicatio...

Страница 19: ...nformity Danger to life due to high voltages Only qualified personnel can open and service the inverter Disconnect the inverter from all the external power sources before maintenance Burn danger due t...

Страница 20: ...ommu nication in process and a system fault occurs Gray OFF Both the AC and DC sides are powered down Voltage may still be present in AC side circuits after the indicator is off Pay atten tion to the...

Страница 21: ...er meets the requirements of electromagnetic compatibility standards The MPPT is used to ensure a maximum power from PV arrays at different PV input conditions The Inverter Circuit converts the DC pow...

Страница 22: ...devices via either of the two interfaces After communication connection is established users can view inverter information or set in verter parameters through the iSolarCloud It is recommended to use...

Страница 23: ...the voltage scheme for the PID protection recovery function does not meet the requirement of corresponding PV modules the PID will not work as ex pected or even damage the PV modules If the PID recov...

Страница 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...

Страница 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...

Страница 26: ...e 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 the inver...

Страница 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...

Страница 28: ...nts as shown in the figure below Take the following items into account when designing the bracket scheme Consider onsite climate conditions and take anti snow and anti rain measures if necessary Ensur...

Страница 29: ...the bottom of the inverter and the ground surface is deter mined according to the bending radius of the AC cable used and the installation environment In addition the following conditions must be met...

Страница 30: ...tallation reserve specific clearance between the two inverters Install the inverter at an appropriate height for ease of viewing LED indicator and operating switch es 4 3 Installation Tools Installati...

Страница 31: ...drill 12 14 Pliers Marker Level Rubber mallet Socket wrench set 16mm Wrench 13 mm 16 mm Wrist strap Wire cutter Wire stripper Hydraulic plier Heat gun MC4 terminal crimping pliers 4 6mm2 MC4 terminal...

Страница 32: ...allation 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 ing handling Placing the i...

Страница 33: ...tinue hoisting the device to the destination after ensuring the safety step 4 Remove the lifting rings and reassemble the sealing screws released in Step 1 Keep the inverter balanced throughout the ho...

Страница 34: ...own below is recommended for the installation figure 4 1 Dimensions of Mounting bracket 4 5 1 PV Bracket Mounted Installation step 1 Assemble the mounting bracket step 2 Level the assembled mounting b...

Страница 35: ...1 Assemble the mounting bracket step 2 Level the assembled mounting bracket by using the level and mark the positions for drilling holes step 3 Insert the expansion bolts into the holes and secure the...

Страница 36: ...ng bracket End 4 6 Installing the Inverter step 1 Take out the inverter from the packing case step 2 If the installation position is high hoist the inverter to the position refer to 4 4 2 Hoisting Tra...

Страница 37: ...27 End User Manual 4 Mechanical Mounting...

Страница 38: ...maged and all cables are voltage free before performing electrical work Do not close the AC circuit breaker until the electrical connection is completed Damage to the product caused by incorrect wirin...

Страница 39: ...e 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 The cable colors in figures in this manual are f...

Страница 40: ...igital input and output DI DO wiring COM4 For DRM communication wiring C AC junction box Remove the protective case and use the junc tion box in the shipping accessory for wiring E External pro tectiv...

Страница 41: ...L2 L3 N wire SG40CX 25 70 L1 L2 L3 N wire SG50CX SG50CX NI 35 70 PE wire refer to table 5 2 PE Wire Requirements 4 Communi cation cable Shielded twisted pair terminal block 4 5 18 0 1 1 5 CAT 5 Ethern...

Страница 42: ...d the Aluminum cable figure 5 2 Aluminum Cable Connection 1 Copper to Aluminum adapter terminal 2 Flange nut 3 Aluminum cable Ensure that the selected terminal can directly contact with the copper bar...

Страница 43: ...le is less than 10 mm2 for copper wire or 16 mm2 for aluminum wire ensure that both the external protective grounding terminal and the AC side grounding terminal are reliably grounded The grounding co...

Страница 44: ...with the permission of the local grid department the inverter can be con nected to the grid Before connecting the inverter to the grid ensure the grid voltage and frequency comply with requirements fo...

Страница 45: ...Multiple Inverters in Parallel Connection If multiple inverters are connected in parallel to the grid ensure that the total number of par allel inverters does not exceed 30 MV Transformer The MV tran...

Страница 46: ...ould be taken into account at all times The fault include system short circuit grounding fault voltage drop etc Take ambient temperature relative humidity altitude air quality and other environmental...

Страница 47: ...Make the cable and crimp OT DT terminal refer to Crimp OT DT terminal step 5 Unfasten the buckle and remove the protective cap step 6 Secure the wires to corresponding terminals Observe the terminal...

Страница 48: ...s not less than 18mm step 7 Secure the junction box fasten the buckle and secure it with supplied M4 10 screw step 8 Gently pull the cable backwards to ensure firm connection and fasten the swivel nut...

Страница 49: ...er please ensure that the posi tive or negative electrodes of PV strings do not short circuit to the ground Oth erwise an AC or DC short circuit may occur resulting in equipment damage The damage caus...

Страница 50: ...is provided with multiple PV inputs PV inputs 1 n SG30 33 40 50CX n 3 3 4 5 and each PV input is designed with an MPP tracker Each PV input operates independently and has its own MPPT In this way stri...

Страница 51: ...SUNGROW Select appropriate DC terminals as required above Otherwise SUNGROW shall be held no liability for the damage caused To ensure IP66 protection use only the supplied connector step 1 Strip 7 mm...

Страница 52: ...ition step 2 Check the cable connection of the PV string for polarity correctness and ensure that the open circuit voltage in any case does not exceed the inverter input limit of 1 100V step 3 Connect...

Страница 53: ...polarity of the optimizer cables is correct End 5 8 Communication Junction Box Remove the Junction Box Pull out the pin and keep it properly remove the junction box The pin removed is a required acces...

Страница 54: ...communication board of the inverter includes two layers The upper layer communica tion board mainly includes RS485 communication interfaces while the lower layer communi cation board mainly includes...

Страница 55: ...RS485 1 A B pins by configuring the dip switch RS485 1 crimp interface and RJ45 interface serve as the same function with differ ent wiring manner 5 10 2 RS485 Communication System Single inverter Co...

Страница 56: ...ed with a RS485 dip switch SW1 and the shielding layer of the communication cable should be sin gle point grounded figure 5 6 Configuration of Dip Switch N 15 The length of the RS485 cable and twisted...

Страница 57: ...ituation step 1 Remove the communication junction box see Remove the Junction Box step 2 Strip the protection layer and insulation layer by appropriate length step 3 Loosen the swivel nut of the junct...

Страница 58: ...efore performing the following steps If otherwise continue to perform the following steps step 7 Install the junction box see Install the Junction Box step 8 Pull the cable gently to make sure it is s...

Страница 59: ...a crimping tool step 4 Insert the RJ45 connector to the RJ45 jack step 5 If other wiring operations need to be performed on the communication board finish the wir ing operations before performing the...

Страница 60: ...hat of the RS485 terminal block DO terminal fault output dry contact The relay can be set to output fault alarms and user can configure it to be a normally open contact COM NO or a normally closed con...

Страница 61: ...nal NS Protection is currently used for German market For plant sized more than 30kVA inverter NS Protection terminals could be used in daisy chain to external NS Protec tion Relay to realize emergenc...

Страница 62: ...Block to implement fault output emergency shutdown and NS protection For NS protection including passive valid enable the function on iSolarCloud refer to 7 8 2 Opera tion Parameters 5 12 DRM Connecti...

Страница 63: ...ere are any problems contact your distributor first If the problem persists contact SUNGROW The DRM function is only applicable to devices for Australia and New Zealand 5 12 2 Connection Procedure ste...

Страница 64: ...e RJ45 connector to the RJ45 jack step 5 If other wiring operations need to be performed on the communication board finish the wir ing operations before performing the following steps If otherwise con...

Страница 65: ...ing state of the inverter can be viewed via the App on the phone The image shown here is for reference only The actual product you receive may differ Once the communication module is in use do not con...

Страница 66: ...ements of this manual and local standards All warning signs labels are intact and legible 6 2 Commissioning Procedure If all of the items mentioned above meet the requirements proceed as follows to st...

Страница 67: ...aintenance 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 manua...

Страница 68: ...no obstructions in between The Bluetooth function of the mobile phone is enabled The inverter can only pair with one phone at a time through Bluetooth 7 4 2 Login Procedure step 1 Open the App to ent...

Страница 69: ...will automatically pop up and select the inverter to be connected according to the SN on the nameplate on the side of the inverter body figure 7 2 Bluetooth Connection step 3 Enter the identity verif...

Страница 70: ...ROW to obtain the advanced account and corresponding password step 4 If the inverter is not initialized you will enter the quick setting interface of initializing protec tion parameter Tap Country Reg...

Страница 71: ...lia additionally set the applicable network service provider and then the grid type Tap Power Company to select the correct power company figure 7 5 Initialization Power Company The image shown here i...

Страница 72: ...le phase 30 kVA for three phase HPC 9DJ 13 0002 2019 30 kVA 1 MVA westernpower EDM 33612889 2019 AusNet Services Basic Micro Embedded Generation 2020 For compliance with AS NZS 4777 2 2020 please sele...

Страница 73: ...hart Display the PV power generation power feed in power etc The line with an arrow indicates energy flow between con nected devices and the arrow pointing indicates energy flow direction 5 Power gene...

Страница 74: ...inverter runs according to the scheduling instructions received from the monitoring background Shut down If a fault occurs inverter will automatically stop operation and the AC re lay acts The fault...

Страница 75: ...to the protection ground Country Information Power Limitation Mode Reactive Power Mode Input Total DC Power DC side total input power MPPT x Voltage The input voltage of the xth MPPT MPPT x Current Th...

Страница 76: ...rds Fault Alarm Record Tap Fault Alarm Record to enter the interface as shown in the following figure figure 7 8 Fault Alarm Record Tap to select a time segment and view corresponding records The inve...

Страница 77: ...g daily power gen eration graph monthly power generation histogram annual power generation histogram and total power generation histogram table 7 6 Yield Record Explanation Parameter Description Power...

Страница 78: ...k the power yields histogram Event Record Tap Event Record to view event record list Click to select a time segment and view corresponding records The inverter can record up to 400 latest entries 7 8...

Страница 79: ...ect system time is very important Wrong system time will directly affect the data logging and power generation value The clock is in 24 hour format Software Version Version information of the current...

Страница 80: ...problems are handled PID Scheme Apply negative voltage when the inverter is connected to negative voltage panel Apply positive voltage when the inverter is connected to positive voltage panel After t...

Страница 81: ...Description Range Active power soft start after fault The switch for enabling dis abling the soft start function after a fault occurs Enable Disable Active power soft start time after fault Time that...

Страница 82: ...limit The switch for limiting output power Enable Disable Active power limit ratio The ratio of limiting output power to rated power in percentage 0 110 Shutdown when active power limit to 0 Switch u...

Страница 83: ...enabling disabling the power off function during reactive power Enable Disable Reactive power regula tion mode Off PF Qt Q P Q U Reactive power regulation Switch for enabling disabling reactive respon...

Страница 84: ...0 600 0 600 Ac tive Overload Rate 1000 QP_EnterVoltage Voltage percentage for Q P function activation 100 0 110 0 QP_ExitVoltage Voltage percentage for Q P function deactivation 90 0 100 0 QP_EXitPowe...

Страница 85: ...ng to the grid voltage U3 60 0 60 0 Overload Rate 1000 QU_V4 Pre set grid voltage U4 that is reactive according to the grid voltage 100 0 120 0 QU_Q4 Pre set proportion of reactive power according to...

Страница 86: ...o poor on site network signal it is recommended to download the firmware package to the mobile device in advance Perform firmware update only during high irradiance conditions in order to prevent equi...

Страница 87: ...App via local access Refer to 7 4 Login step 7 Tap More on the App home screen and then tap Firmware Update step 8 Tap the upgrade package file a prompt box will pop up asking whether to upgrade the f...

Страница 88: ...78 figure 7 22 Modify Password The password shall consisit of 8 20 digits including letters and numbers 7 iSolarCloud App User Manual...

Страница 89: ...pacitors inside the inverter completely discharge step 4 Ensure that the DC cable is current free with a current clamp End 8 2 Dismantling the Inverter Risk of burn injuries and electric shock After t...

Страница 90: ...r conservation End 8 3 Disposal of 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 avo...

Страница 91: ...tage 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 App or the LCD...

Страница 92: ...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...

Страница 93: ...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...

Страница 94: ...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 return...

Страница 95: ...als 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 correctl...

Страница 96: ...ication 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 actua...

Страница 97: ...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 ei...

Страница 98: ...e 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...

Страница 99: ...er again Please contact Sungrow 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 w...

Страница 100: ...e losses 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...

Страница 101: ...nce Power off the inverter and disconnect it from all power supplies before main taining fans After the inverter is powered off for 5 minutes measure the voltage and current with professional instrume...

Страница 102: ...d loosen the screw on the fan holder step 4 Pull out the fan module clean the fans with soft brush or vacuum cleaner and replace them when necessary step 5 Reinstall the fan back to the inverter in re...

Страница 103: ...s 3 No of PV strings per MPPT 2 Max PV input current 78 A 26 A 26 A 26 A Max DC short circuit current 120 A 40 A 40 A 40 A Output AC AC output power 29 9kVA 29 9kVA 33 kVA 45 400Vac 36 3 kVA 40 400Vac...

Страница 104: ...DC switch Yes AC switch No PV string monitoring Yes Q at night function Yes PID recovery function Yes DC Terminal Protective Cover Yes Arc fault circuit interrupter AFCI Opt Surge protection DC Type I...

Страница 105: ...nufacture China 1 For Countries AU and NZ 2 For other countries 3 The inverter enters the standby state when the input voltage ranges between 1000V and 1100V Parameters SG40CX SG50CX 1 SG50CX 2 Input...

Страница 106: ...ge 50 Hz 45 55 Hz 60 Hz 55 65 Hz Harmonic THD 3 at nominal power Power factor at nominal power Adjustable power factor 0 99 0 8 leading 0 8 lagging Feed in phases AC connection 3 3 Efficiency Max effi...

Страница 107: ...ude 4000 m 3000 m derating Display LED Bluetooth App Communication RS485 Option al WLAN Ethernet RS485 WLAN Optional Ethernet RS485 Optional WLAN Ethernet DC connection type MC4 Max 6 mm2 AC connectio...

Страница 108: ...5A 80 5A Nominal AC voltage 3 N PE 230 400V AC voltage range 312 528V Nominal grid frequency Grid frequency range 50 Hz 45 55 Hz 60 Hz 55 65 Hz Harmonic THD 3 at nominal power Power factor at nominal...

Страница 109: ...4 Max 6 mm2 AC connection type OTor DT terminal Max 70 mm2 Grid Support Q at night function LVRT HVRT active reactive power control and power ramp rate control Country of manufacture China 1 The inver...

Страница 110: ...Maximum Wiring Distance Number of Inverter Maximum Wiring Distance unit m 16AWG 1 31mm2 17AWG 1 026mm2 1 13030 10552 2 6515 5276 3 4343 3517 4 3258 2638 5 2606 2110 6 2172 1759 7 1861 1507 8 1629 1319...

Страница 111: ...iod to repair the faulty device Exclusion of Liability In the following circumstances SUNGROW has the right to refuse to honor the quality guarantee The free warranty period for the whole machine comp...

Страница 112: ...to provide you the best assistance Model of the device Serial number of the device Fault code name Brief description of the problem For detailed contact information please visit https en sungrowpower...

Страница 113: ...www sungrowpower com Sungrow Power Supply Co Ltd...

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