Sungrow SG110CX User Manual
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Sungrow SG110CX User Manual

Pv grid-connected inverter
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PV Grid-Connected Inverter
User Manual
SG110CX/SG110CX-20
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InverterUser ManualSG110CX_
SG110CX–20–UEN-Ver21-202203
SG110CX_SG110CX–20–UEN-Ver21-202203

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Summary of Contents for Sungrow SG110CX

  • Page 1 PV Grid-Connected Inverter User Manual SG110CX/SG110CX-20 SG110CX/ SG110CX-20PV Grid-Connected InverterUser ManualSG110CX_ SG110CX–20–UEN-Ver21-202203 SG110CX_SG110CX–20–UEN-Ver21-202203...

  • Page 3: All Rights Reserved

    Software Licenses • It is prohibited to use data contained in firmware or software developed by SUNGROW, in part or in full, for commercial purposes by any means. • It is prohibited to perform reverse engineering, cracking, or any other operations that...

  • Page 4: About This Manual

    Please read this manual carefully before using the product and keep it properly at a place for easy access. All contents, pictures, marks, and symbols in this manual are owned by SUNGROW. No part of this document may be reprinted by the non-internal staff of SUNGROW without written authorization.
  • Page 5 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. Indicates moderate-risk potential hazards that, if not avoided, may lead to death or serious injury.

  • Page 7: Table Of Contents

    Contents All Rights Reserved .....................I About This Manual......................II 1 Safety .........................1 1.1 Unpacking and Inspection ................1 1.2 Installation Safety ...................1 1.3 Electrical Connection Safety................2 1.4 Operation Safety ....................3 1.5 Maintenance Safety ..................4 1.6 Disposal Safety ....................4 2 Product Description ..................5 2.1 System Introduction ..................5 2.2 Product Introduction..................6 2.3 Symbols on the Product ..................8...
  • Page 8 4.5 Installing the mounting-bracket ..............22 4.5.1 PV Bracket-Mounted Installation ............23 4.5.2 Wall-Mounted Installation..............24 4.6 Installing the Inverter..................25 5 Electrical Connection ..................26 5.1 Safety Instructions ..................26 5.2 Terminal Description ..................27 5.3 Electrical Connection Overview ..............29 5.4 Crimp OT / DT terminal .................31 5.5 External Grounding Connection ..............32 5.5.1 External Grounding Requirements............33 5.5.2 Connection Procedure.................33...
  • Page 9 6 Commissioning ....................60 6.1 Inspection before Commissioning ..............60 6.2 Commissioning Procedure ................60 7 iSolarCloud App ....................61 7.1 Brief Introduction ..................61 7.2 Installing the App ..................61 7.3 Function Overview..................62 7.4 Login ......................62 7.4.1 Requirements ..................62 7.4.2 Login Procedure .................62 7.5 Home page ....................67 7.6 Run Information....................70 7.7 Records .......................71 7.8 More......................73...

  • Page 11: Safety

    Perform operations considering ac- tual onsite conditions. • SUNGROW shall not be held liable for any damage caused by violation of gen- eral safety operation requirements, general safety standards, or any safety in- struction in this manual.

  • Page 12: Electrical Connection Safety

    1 Safety User Manual Improper installation may cause personal injury! • If the product supports hoisting transport and is hoisted by hoisting tools, no one is allowed to stay under the product. • When moving the product, be aware of the product weight and keep the balance to prevent it from tilting or falling.

  • Page 13: Operation Safety

    User Manual 1 Safety Damage to the product caused by incorrect wiring is not covered by the warranty. • Electrical connection must be performed by professionals. • All cables used in the PV generation system must be firmly attached, properly insulated, and adequately dimensioned.

  • Page 14: Maintenance Safety

    To avoid the risk of electric shock, do not perform any other maintenance opera- tions beyond this manual. If necessary, contact SUNGROW for maintenance. Oth- erwise, the losses caused is not covered by the warranty. Disposal Safety Please scrap the inverter in accordance with relevant local regulations and stand- ards to avoid property losses or casualties.

  • Page 15: Product Description

    Description Item Note Monocrystalline silicon, polycrystalline silicon and thin-film PV strings without grounding. Inverter SG110CX/SG110CX-20 Grid connection Includes devices such as AC circuit breaker, SPD, metering cabinet device. Boost the low voltage from the inverter to grid-compatible me- Transformer dium voltage.

  • Page 16: Product Introduction

    User Manual Product Introduction Model Description The model description is as follows(Take SG110CX-20 as an example): Appearance The following figure shows the dimensions of the inverter. The image shown here is for refer- ence only. The actual product received may differ.
  • Page 17 User Manual 2 Product Description figure 2-2 Inverter Appearance * The image shown here is for reference only. The actual product received may differ. Description Name LED indicator HMI interface to indicate the present working state of the panel inverter. Warning symbols, nameplate, and QR code.

  • Page 18: Symbols On The Product

    2 Product Description User Manual figure 2-3 Dimensions of the Inverter(in mm) Symbols on the Product Symbol Explanation Do not dispose of the inverter together with household waste. TÜV mark of conformity. CE mark of conformity. EU/EEA Importer. Regulatory compliance mark. CGC-SOLAR mark of conformity.

  • Page 19: Led Indicator

    DC Switch The DC switch is used to disconnect the DC current safely whenever necessary. The SG110CX/SG110CX-20 is equipped with three DC switches, and each DC switch con- trols its corresponding DC terminals. Turn the DC switches to the ON position before restarting the inverter.

  • Page 20: Circuit Diagram

    2 Product Description User Manual Circuit Diagram The following figure shows the main circuit of the inverter. figure 2-4 Circuit Diagram • The DC SPD provides a discharge circuit for the DC side over-voltage power to prevent it from damaging the internal circuits of the inverter. •...
  • Page 21 User Manual 2 Product Description After communication connection is established, users can view inverter information or set in- verter parameters through the iSolarCloud. Protection Function The protective functions are integrated in the inverter, including anti-island protection, LVRT/ HVRT, DC reversed polarity protection, AC short circuit protection, leakage current protec- tion, DC overvoltage/overcurrent protection, etc.
  • Page 22 2 Product Description User Manual AFCI Function(Optional) • AFCI activation This function can be enabled to detect whether arc occurs in the DC circuit of the inverter. • AFCI self-test This function is intended to detect whether the AFCI function of the inverter is normal.

  • Page 23: Unpacking And Storage

    • Check the inner contents for damage after unpacking. Contact SUNGROW or the transport company in case of any damage or incompleteness, and provide photos to facilitate services. Do not dispose of the original packing case. It is recommended to store the device in the original packing case when the product is decommissioned.
  • Page 24 3 Unpacking and Storage User Manual • Do not place the inverter in places with items that may affect or damage the inverter. • Store the inverter in a clean and dry place to prevent dust and water vapor from eroding. •...

  • Page 25: Mechanical Mounting

    Mechanical Mounting Respect all local standards and requirements during mechanical installation. Safety during Mounting Make sure there is no electrical connection before installation. Before drilling, avoid the water and electricity wiring in the wall. Poor installation environment will affect system performance! •...

  • Page 26: Environment Requirements

    The ambient temperature and relative humidity must meet the following requirements. • Please consult SUNGROW before installing inverters outdoors in salt stress areas. Salt stress areas mainly refer to coastal areas that are within 500 meters from the coast. The deposition of salt fog varies largely with nearby seawater characteristics, sea wind, pre- cipitation, relative humidity, terrain, and forest coverage.

  • Page 27: Angle Requirements

    Install the inverter vertically or at the maximum allowable rear tilt angle. Do not install the in- verter horizontally, forward, excessively backward, sideways, or upside down. Please consult SUNGROW before tilting backwards the inverter and install it in floating power plants.

  • Page 28: Installation Tools

    4 Mechanical Mounting User Manual * In case the distance is less than 800 mm, move the inverter from the mounting-bracket or wall before maintaining fans. In case of multiple inverters, reserve specific clearance between the inverters. For other in- stallation scenarios, please refer to the relevant technical documents on http://support.sun- growpower.com/.
  • Page 29 User Manual 4 Mechanical Mounting table 4-1 Tool specification Goggles Earplugs Dust mask Protective gloves Insulated shoes Utility knife Slotted screwdriver Phillips screwdriver (M4, M6, M8) (M2, M6) Hammer drill Pliers Marker Level (φ12, φ14) Rubber mallet Socket wrench set Wrench Wrist strap (13 mm, 16 mm)

  • Page 30: Moving The Inverter

    4 Mechanical Mounting User Manual MC4 terminal MC4 terminal Multimeter RJ45 crimping tool crimping pliers wrench ≥ 1100 Vdc 4–6mm Vacuum cleaner Moving the Inverter Before installation, remove the inverter from the packing case and move it to the installation site.

  • Page 31: Hoisting Transport

    User Manual 4 Mechanical Mounting step 2 Lift and move the inverter to the destination by using the side and bottom handles as well as the four installed handles. step 3 Remove the screw-in handles and reassemble the sealing screws released in Step 1. Inappropriate moving operation may cause personal injury! It is recommended that at least four installers carry the inverter together and wear protective equipment such as smash-proof shoes and gloves.

  • Page 32: Installing The Mounting-Bracket

    4 Mechanical Mounting User Manual step 4 Remove the lifting rings and reassemble the sealing screws released in Step 1. Keep the inverter balanced throughout the hoisting process and avoid collisions with walls or other objects. Stop hoisting in the event of severe weather, such as heavy rain, thick fog, or strong wind.

  • Page 33: Pv Bracket-Mounted Installation

    User Manual 4 Mechanical Mounting figure 4-1 Dimensions of mounting-bracket 4.5.1 PV Bracket-Mounted Installation step 1 Assemble the mounting-bracket by using the connecting bar. step 2 Level the assembled mounting-bracket by using the level, and mark the positions for drilling holes on the PV bracket.

  • Page 34: Wall-Mounted Installation

    4 Mechanical Mounting User Manual Components Description Spring washer – Hex nuts - - End 4.5.2 Wall-Mounted Installation step 1 Assemble the mounting-bracket by using the connecting bar. step 2 Level the assembled mounting-bracket by using the level, and mark the positions for drilling holes on the installation site.

  • Page 35: Installing The Inverter

    User Manual 4 Mechanical Mounting Components Description – Wall Fastening the bolt in the sequence of nut, spring wash- Expansion bolt er, slat washer Mounting-bracket – - - End Installing the Inverter step 1 Take out the inverter from the packing case. step 2 Hoist the inverter to the installation position when necessary (refer to ""4.4.2 Hoisting Trans- port"").

  • Page 36: Electrical Connection

    Electrical Connection Safety Instructions The PV string will generate lethal high voltage when exposed to sunlight. • Operators must wear proper personal protective equipment during electrical connections. • Must ensure that cables are voltage-free with a measuring instrument before touching DC cables. •...

  • Page 37: Terminal Description

    User Manual 5 Electrical Connection • All vacant terminals must be covered with waterproof covers to prevent affect- ing the protection rating. • When the wiring is completed, seal the gap of cable inlet and outlet holes with fireproof / waterproof materials such as fireproof mud to prevent foreign matter or moisture from entering and affecting the long-term normal operation of the inverter.
  • Page 38 5 Electrical Connection User Manual figure 5-1 Terminal Description(For a multi-core cable) figure 5-2 Terminal Description(For four single-core cables) * The image shown here is for reference only. The actual product received may differ.

  • Page 39: Electrical Connection Overview

    User Manual 5 Electrical Connection Item Terminal Mark Note PV terminals + / - MC4 PV connector RS485 communication, digital input/output DI/ Communica- COM1 / 2 / 3 tion terminal COM4 For communication module connection. AC wiring Used for AC output cable connection. terminal Standby Used for internal grounding.
  • Page 40 (2) In the case of four single-core cables, a spare AC sealing plate accessory is required as shown in the following figure. To purchase the AC sealing plate accessory, contact SUNGROW. figure 5-3 Spare AC Sealing Plate Inverter for Australia and New Zealand are equipped with the four-core sealing...

  • Page 41: Crimp Ot / Dt Terminal

    User Manual 5 Electrical Connection table 5-2 PE Wire Requirements PE Wire PE Wire Cross Cross Note Section S Section The specifications are valid only when the phase wire and PE wire use the same material. If otherwise, ensure S / 2 S >...

  • Page 42: External Grounding Connection

    The ground connection of this additional grounding terminal cannot replace the connection of the PE terminal of the AC cable. Make sure those terminals are both grounded reliably. SUNGROW shall not be held liable for any damage caused by the violation.

  • Page 43: External Grounding Requirements

    User Manual 5 Electrical Connection 5.5.1 External Grounding Requirements All non-current carrying metal parts and device enclosures in the PV power system should be grounded, for example, brackets of PV modules and inverter enclosure. When there is only one inverter in the PV system, connect the external grounding cable to a nearby grounding point.

  • Page 44: Ac Cable Connection

    5 Electrical Connection User Manual step 3 Keep the wiring compartment open during wiring through the limit lever attached to the cover. - - End Close the wiring compartment in reverse order after completing wiring operations. AC Cable Connection 5.7.1 AC Side Requirements Only with the permission of the local grid department, the inverter can be con- nected to the grid.
  • Page 45 1100 mA 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 25. Otherwise, please contact SUNGROW for technical scheme. MV Transformer The MV transformer used together with the inverter should meet the following requirements: •...

  • Page 46: Requirements For Ot/Dt Terminal

    The apparent power of the inverter should never exceed the power of the transformer. The maximum AC current of all inverters connected in parallel must be taken into ac- count. If more than 25 inverters are connected to the grid, contact SUNGROW. •...

  • Page 47: Connection Procedure(For A Multi-Core Cable)

    User Manual 5 Electrical Connection 5.7.3 Connection Procedure(For a multi-core cable) In this manual, description is given by using five-core cable as an example. The wiring of the four-core cable is the same. step 1 Open the wiring compartment. For details, refer to "5.6 Opening the Wiring Compartment".
  • Page 48 5 Electrical Connection User Manual step 6 Make the cable and crimp OT/DT terminal. step 7 Secure the wires to corresponding terminals. 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 used is not less than 28mm.

  • Page 49: Connection Procedure(L1/L2/L3/N, For Four Single-Core Cables)

    User Manual 5 Electrical Connection If the PE cable is an independent single-core cable, it should be inserted into the cabinet through the standby grounding terminal. step 9 Install the protection cover - - End 5.7.4 Connection Procedure(L1/L2/L3/N, For four single-core cables) step 1 Open the wiring compartment.
  • Page 50 5 Electrical Connection User Manual step 3 Loosen the swivel nut of the AC waterproof connector and select a seal according to the ca- ble outer diameter, remove the inner sealing ring if the cable diameter is larger than 22 mm. Lead the cable through the swivel nut, seal, and wiring terminal successively.
  • Page 51 User Manual 5 Electrical Connection 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 used is not less than 28mm. step 8 Gently pull the cable backwards to ensure firm connection, and fasten the swivel nut clockwise.

  • Page 52: Connection Procedure(L1/L2/L3/Pe, For Four Single-Core Cables)

    5 Electrical Connection User Manual - - End 5.7.5 Connection Procedure(L1/L2/L3/PE, For four single-core cables) step 1 Open the wiring compartment. For details, refer to"5.6 Opening the Wiring Compartment". step 2 Disconnect the AC-side circuit breaker and prevent it from inadvertent reconnection. step 3 Loosen the swivel nut of the AC waterproof connector and select a seal according to the ca- ble outer diameter, remove the inner sealing ring if the cable diameter is larger than 22 mm .
  • Page 53 User Manual 5 Electrical Connection step 5 Strip the protection layer and insulation layer by specific length, as described in the figure below. step 6 Make the cable and crimp OT/DT terminal. step 7 Secure the wires to corresponding terminals. Ensure that the depth L of the socket used is not less than 28mm.

  • Page 54: Dc Cable Connection

    5 Electrical Connection User Manual step 9 Install the protection cover - - End 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.

  • Page 55: Pv Input Configuration

    The damage caused by this is not covered by the warranty. • Electric arc or contactor over-temperature may occur if the PV connectors are not firmly in place, and SUNGROW shall not be held liable for any damage caused. •...

  • Page 56: Assembling The Pv Connectors

    Use MC4-Evo2 DC terminals if the maximum input voltage is greater than 1,000 V. To purchase the MC4-Evo2 DC terminals, contact SUNGROW. • Select appropriate DC terminals as required above. Otherwise, SUNGROW shall be held no liability for the damage caused.

  • Page 57: Installing The Pv Connector

    User Manual 5 Electrical Connection To ensure IP66 protection, use only the supplied connector. step 1 Strip 7 mm–8 mm of the insulation from each PV cable. step 2 Assemble the cable ends with the crimping pliers. 1: Positive crimp contact 2：Negative crimp contact step 3 Lead the cable through cable gland, and insert the crimp contact into the insulator until it snaps into place.

  • Page 58: Rs485 Connection

    5 Electrical Connection User Manual 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 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.
  • Page 59 User Manual 5 Electrical Connection The inverter is equipped with two groups of RS485 communication port for external commu- nication connection, which are RS485_1 port and RS485_2 port. The port RS485_1 is used to connect Logger, so as to implement data exchange with PC or other monitoring devices.

  • Page 60: Rs485 Communication System

    5 Electrical Connection User Manual 5.9.2 RS485 Communication System Single-inverter Communication System In case of a single inverter, communication cable connection requires only one RS485 cable. Multi-inverter Communication System In case of multiple inverters, all the inverters can be connected via RS485 cables in the daisy chain manner.
  • Page 61 User Manual 5 Electrical Connection figure 5-6 Multi-inverter Communication System【RS485_1 Interface（RJ45）】 When more than 15 inverters are connected to the same daisy chain, in order to ensure the communication quality, the Logger at the first end of the daisy chain needs to be equipped with a terminal resistor of 120Ω, the inverter at the last end needs to be equipped with a RS485-dip switch (SW1), and the shielding layer of the communication cable should be sin- gle-point grounded.

  • Page 62: Connection Procedure(Terminal Block)

    5 Electrical Connection User Manual 5.9.3 Connection Procedure(Terminal Block) RS485 communication cables should be shielded twisted pair cables or shielded twisted pair Ethernet cables. There are three communication terminals, and the silkscreen marks are COM1/ COM2/COM3. Please choose according to the actual situation. step 1 Strip the protection layer and insulation layer by appropriate length.

  • Page 63: Connection Procedure (Rj45 Ethernet Port)

    User Manual 5 Electrical Connection - - End 5.9.4 Connection Procedure (RJ45 Ethernet Port) step 1 Loosen the swivel nut of the junction box and select an appropriate seal according to cable outer diameter. Lead the cable through the swivel nut, seal, and junction box successively. Outer Diameter D(mm) Seal 4.5 ~ 6...

  • Page 64: Dry Contact Connection

    5 Electrical Connection User Manual step 4 Pull the cable gently to make sure it is secured, tighten the swivel nut clockwise. - - End 5.10 Dry Contact Connection Dry contact cables require a cross section of 1 mm to 1.5 mm The connection procedure of the dry contact is the same as that of the RS485 ter- minal block.
  • Page 65 User Manual 5 Electrical Connection 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 contact (COM＆NC). The relay is initially at the NC terminal, and it will trip to another contact when a fault occurs. When alarm occurs, signal status change will not be triggered.

  • Page 66: Wiring Procedure

    5 Electrical Connection User Manual The dry contacts only support passive switch signal input. The following figure shows the typical application of local stop dry contact. figure 5-10 Local stop contact figure 5-11 Daisy chain topology When wiring DI dry contacts, ensure that the maximum wiring distance meet the require- ments in "10.2 Wring Distance of DI Dry Contact".

  • Page 67: Connection Procedure

    Asserted when the impedance between pins 5 and 6 is detected to be above 20 kΩ Enable the DRM function through the iSolarCloud App. If there are any problems, contact SUNGROW. The DRM function is only applicable to devices for Australia and New Zealand. 5.11.2 Connection Procedure step 1 Strip the insulation layer of the Ethernet cable with a wire stripper, and insert the signal wires to the RJ45 connector.

  • Page 68: Closing The Wiring Compartment

    5 Electrical Connection User Manual Outer Diameter D Seal (mm) 4.5 ~ 6 6 ~ 12 a + b 13 ~ 18 step 3 Insert the RJ45 connector to the RJ45 jack. step 4 Pull the cable gently to make sure it is secured, tighten the swivel nut clockwise. - - End 5.12 Closing the Wiring Compartment step 1 Release the limit lever.

  • Page 69: Communication Module Connection (Optional)

    - - End 5.13 Communication Module Connection (optional) Connect the communication module produced by SUNGROW to the communication acces- sory port. After successful connection, information such as power generation and running state of the inverter can be viewed via the APP on the phone.

  • Page 70: Commissioning

    Commissioning Inspection before Commissioning Check the following items before starting the inverter: • All equipment has been reliably installed. • DC switch(es) and AC circuit breaker are in the "OFF" position. • The ground cable is properly and reliably connected. •...

  • Page 71: Isolarcloud App

    iSolarCloud App Brief Introduction The iSolarCloud App can establish communication connection to the inverter via the Blue- tooth, thereby achieving near-end maintenance on the inverter. Users can use the App to view basic information, alarms, and events, set parameters, or download logs, etc. *In case the communication module Eye, WiFi or WiNet-S is available, the iSolarCloud App can also establish communication connection to the inverter via the mobile data or WiFi, thereby achieving remote maintenance on the inverter.

  • Page 72: Function Overview

    7 iSolarCloud App User Manual Function Overview The App provides parameter viewing and setting functions, as shown in the following figure. figure 7-1 App function tree map Login 7.4.1 Requirements The following requirements should be met: • The AC or DC side of the inverter is powered-on. •...
  • Page 73 User Manual 7 iSolarCloud App side of the inverter for Bluetooth connection. The connection is successfully established if the LED indicator blinks blue. figure 7-2 Bluetooth Connection step 3 Enter the identity verification screen after the Bluetooth connection is established.
  • Page 74 To set inverter parameters related to grid protection and grid support, contact SUNGROW to obtain the advanced account and corresponding password. step 4 If the inverter is not initialized, you will enter the quick setting screen of initializing protection...
  • Page 75 User Manual 7 iSolarCloud App figure 7-4 Initialization Protection Parameter The Country/Region must be set to the country where the inverter is installed at. Otherwise, the inverter may report errors. In the European region, such as Sweden, Ireland, Hungary, Portugal, Romania, Greece, Ukraine etc.
  • Page 76 7 iSolarCloud App User Manual figure 7-5 Initialization Power Company The image shown here is for reference only. Refer to the actual interface for the supported network service providers. table 7-1 Power Company Information Network Service Provider Grid Type AS/NZS 4777.2:2015 AS/NZS 4777.2:2020 Australia A AS/NZS 4777.2:2020 Australia B AS/NZS 4777.2:2020 Australia C...

  • Page 77: Home Page

    User Manual 7 iSolarCloud App SA Power Networks • TS129-2019: < 10 kW for single-phase & 30 kW for three-phase • TS130-2017: > 30 kW & ≤ 200 kW • TS131-2018: > 200 kW Horizon Power • HPC-9DJ-13-0001-2019: ≤ 10 kVA for single-phase &...
  • Page 78 7 iSolarCloud App User Manual figure 7-6 Home Page table 7-2 Home Page Description Designation Description System date and time of the inverter. Date and time Present operation state of the inverter. For details, refer to Inverter state "table 7-3 Description of Inverter State".
  • Page 79 User Manual 7 iSolarCloud App table 7-3 Description of Inverter State Description State After being energized, the inverter tracks the PV arrays’ maximum power point (MPP) and converts the DC power into AC power. This is the nor- mal operation mode. Stop The inverter is stopped.

  • Page 80: Run Information

    7 iSolarCloud App User Manual Run Information Tap Run Information on the navigation bar to enter the screen showing running information, slide the screen upwards to view all detailed information. table 7-5 Run Information Classifica- Description Parameter tion String n Voltage The input voltage of the n string Information...

  • Page 81: Records

    User Manual 7 iSolarCloud App Classifica- Description Parameter tion B-C Line Voltage C-A Line Voltage Phase A Current Phase B Current Phase Current Phase C Current Records Tap Records on the navigation bar to enter the screen showing event records, as shown in the following figure.
  • Page 82 7 iSolarCloud App User Manual figure 7-9 Detailed Fault Alarm Information Yield Record Tap Yield Record to enter the screen showing daily power generation , as shown in the fol- lowing figure. figure 7-10 Power Curve The App displays power generation records in a variety of forms, including daily power gen- eration graph, monthly power generation histogram, annual power generation histogram and total power generation histogram.

  • Page 83: More

    User Manual 7 iSolarCloud App Description Parameter Monthly energy Shows the power output every month in a year. histogram Annual energy Shows the power output every year. histogram Tap the time bar on the top of the screen to select a time segment and view the correspond- ing power curve.

  • Page 84: Operation Parameters

    7 iSolarCloud App User Manual figure 7-12 System Parameters * The image shown here is for reference only. Boot/Shutdown Tap Boot/Shutdown to send the boot/shutdown instruction to the inverter. For Australia and New Zealand, when the DRM state is DRM0, the "Boot" option will be prohibited.
  • Page 85 User Manual 7 iSolarCloud App figure 7-14 PID Setting table 7-7 PID Parameter Description Description Parameter Set enabling/disabling of the PID night recovery function. PID night PID Recovery recovery function operates between 22:00 pm and 5:00 am by default. If ISO impedance abnormality or PID function exception is de- tected during running of the PID function, the inverter reports a Clear PID alarm PID false alarm and reminds the user to take corresponding meas-...

  • Page 86: Power Regulation Parameters

    7 iSolarCloud App User Manual figure 7-16 NS Protection(Passive Valid) 7.8.3 Power Regulation Parameters Active Power Regulation Tap Settings→Power Regulation Parameters→Active Power Regulation to enter the screen, as shown in the following figure. figure 7-17 Active Power Regulation table 7-8 Active Power Regulation Definition/Setting Range Parameter...
  • Page 87 User Manual 7 iSolarCloud App Definition/Setting Range Parameter Description Active power rising The rise rate of inverter active 3%/min~6000%/min gradient power per minute. Active power setting Switch for enabling/disabling Enable/Disable persistence the function of saving output limited power. Active power limit The switch for limiting output Enable/Disable power.
  • Page 88 7 iSolarCloud App User Manual figure 7-18 Reactive Power Regulation table 7-9 Reactive Power Regulation Definition/Setting Range Parameter Description Reactive power genera- Switch for enabling/disabling Enable/Disable tion at night Q at night function. Reactive power ratio at Reactive power ratio set for -100%~0%/ night the Q at night function.
  • Page 89 User Manual 7 iSolarCloud App Definition/Setting Range Parameter Description QP_P3 Output power at P3 on the Q 20.0%~100.0% (P) mode curve (in percentage) QP_K1 Power factor at P1 on the Q(P) Curve A/Curve mode curve C:0.800~1.000 Curve B: [-0.600~0.600]*Ac- tive Overload Rate/1000 QP_K2 Power factor at P2 on the Q(P) Curve A/Curve C:...
  • Page 90 7 iSolarCloud App User Manual Definition/Setting Range Parameter Description QU_V2 Pre-set grid voltage U2 that is 80.0%~100.0% reactive according to the grid voltage. QU_Q2 Pre-set proportion of reactive [-60.0%-60.0%]* Overload power according to the grid Rate/1000 voltage U2. QU_V3 Pre-set grid voltage U3 that is 100.0%~120.0% reactive according to the grid voltage.

  • Page 91: Communication Parameters

    User Manual 7 iSolarCloud App figure 7-19 Q(U) Curve figure 7-20 Q(P) Curve 7.8.4 Communication Parameters Tap Settings→Communication Parameters→Serial Port Parameters to enter the corre- sponding interface, as shown in the following figure. figure 7-21 Serial Port Parameters table 7-10 Serial Port Parameters Range Parameter Device Address...

  • Page 92: Firmware Update

    7 iSolarCloud App User Manual figure 7-22 MPLC Parameters table 7-11 MPLC Parameters Range Parameter Band Num Band1, Band2 Array ID 1–255 Winding ID 1–10 7.8.5 Firmware Update To avoid download failure due to poor on-site network signal, it is recommended to download the firmware package to the mobile device in advance.

  • Page 93: Password Changing

    User Manual 7 iSolarCloud App step 8 Tap the upgrade package file, a prompt box will pop up asking you to upgrade the firmware with the file, tap CONFIRM to perform the firmware upgrade. step 9 Wait for the file to be uploaded. When the upgrade is finished, the interface will inform you of the upgrade completion.
  • Page 94 7 iSolarCloud App User Manual figure 7-23 Change Password The password shall consisit of 8–20 digits, including letters and numbers.

  • Page 95: System Decommissioning

    System Decommissioning Disconnecting the Inverter Danger of burns! Even if the inverter is shut down, it may still be hot and cause burns. Wear protec- tive gloves before operating the inverter after it cools down. For maintenance or other service work, the inverter must be switched off. Proceed as follows to disconnect the inverter from the AC and DC power sources.

  • Page 96: Disposal Of The Inverter

    8 System Decommissioning User Manual step 2 Refer to"4 Mechanical Mounting", to dismantle the inverter in reverse steps. step 3 If necessary, remove the wall-mounting bracket from the wall. step 4 If the inverter will be used again in the future, please refer to "3.2 Inverter Storage"...

  • Page 97: Troubleshooting And Maintenance

    App or the LCD. Modify the overvoltage protection values with the con- sent of the local electric power operator. 3. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the fault persists. Generally, the inverter will be reconnected to the grid after the grid returns to normal.
  • Page 98 2. Check whether the protection parameters are appropriately set via the App or the LCD. 3. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the fault persists. Generally, the inverter will be reconnected to the grid after the grid returns to normal.
  • Page 99 App or the LCD. 3. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the fault persists. 1. Check whether the corresponding string is of reverse polarity.
  • Page 100 3. Check if the DC fuse is damaged. If so, replace Alarm the fuse. 4. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the alarm persists. *The code 548 to code 563 are corresponding to string 1 to string 16 respectively.
  • Page 101 3. If the cable is normal and the fault occurs on rainy days, check it again when the weather turns fine. 4. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the fault persists. 1. Check whether the AC cable is correctly connected.
  • Page 102 2. Reconnect the communication cable of the cation Abnormal meter. Alarm 3. Contact Sungrow Customer Service if the pre- ceding causes are ruled out and the alarm persists. 1. Check whether the output port is connected to actual grid. Disconnect it from the grid if so.
  • Page 103 0.5 A. MPPT Reverse 264-283 2. Contact Sungrow Customer Service if the pre- Connection ceding causes are ruled out and the fault persists. *The code 264 to code 279 are corresponding to string 1 to string 20 respectively.

  • Page 104: Maintenance

    364-395 Overvoltage Fault restart the inverter. If the fault still exists, contact Sungrow Customer Service. 1. Check whether the number of PV modules of the corresponding string is less than other strings. If so, disconnect the DC switch and adjust the PV module configuration when the string current drops below 0.5 A.

  • Page 105: Routine Maintenance

    To avoid the risk of electric shock, do not perform any other maintenance opera- tions beyond this manual. If necessary, contact SUNGROW for maintenance. Oth- erwise, the losses caused is not covered by the warranty.

  • Page 106: Cleaning Air Inlet And Outlet

    9 Troubleshooting and Maintenance User Manual Item Method Period Check whether the cable entry is in- sufficiently sealed or the gap is exces- Cable entry Once a year sively large, and reseal the entry when necessary. Check whether all cable are firmly connected in place.
  • Page 107 User Manual 9 Troubleshooting and Maintenance step 3 Press the tab of the latch hook, unplug the cable connection joint outwards, and 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.
  • Page 108 9 Troubleshooting and Maintenance User Manual step 5 Reinstall the fan back to the inverter in reverse order and restart the inverter. - - End...

  • Page 109: Appendix

    10 Appendix 10.1 Technical Data SG110CX Parameters Input (DC) Recommended max. PV input power 147 kW Max. PV input voltage 1100 V Min.PV input voltage/Start-up input voltage 200 V / 250 V Nominal input voltage 585 V MPP voltage range 200 –...
  • Page 110 10 Appendix User Manual SG110CX Parameters Ground fault monitoring DC switch AC switch PV string monitoring Q at night function PID recovery function DC terminal protective cover Yes(Only for “AU”) Communication dongle (EyeM4) Yes(Only for “AU”) Surge protection DC Type II / AC Type II...
  • Page 111 User Manual 10 Appendix SG110CX-20 Parameters Nominal PV input voltage 585 V MPP voltage range 200 – 1000 V No. of independent MPP inputs No. of PV strings per MPPT Max. PV input current 27 A * 9 Max. DC short-circuit current...

  • Page 112: Wring Distance Of Di Dry Contact

    10 Appendix User Manual SG110CX-20 Parameters Arc fault circuit interrupter (AFCI) Surge protection DC Type I + II / AC Type II General Data Dimensions (W*H*D) 1051*660*362.5 mm Weight 89 kg Topology Transformerless Degree of protection IP66 Night power consumption <...
  • Page 113 User Manual 10 Appendix table 10-1 Correspondence between number of inverters and maximum wiring distance Maximum wiring distance(unit:m) Number of inverter 16AWG / 1.31mm 17AWG / 1.026mm 13030 10552 6515 5276 4343 3517 3258 2638 2606 2110 2172 1759 1861 1507 1629 1319...

  • Page 114: Quality Assurance

    • The customer shall give SUNGROW a reasonable period 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/components has expired.

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