Sungrow SG110CX-P2 User Manual
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Sungrow SG110CX-P2 User Manual

Pv grid-connected inverter
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User Manual
PV Grid-Connected Inverter
SG125CX-P2 / SG110CX-P2
SG125CX-P2 /
SG110CX-P2PV Grid-Connected
P2-UEN-Ver13-202206
SG125_110CX-P2-UEN-Ver13-202206

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Summary of Contents for Sungrow SG110CX-P2

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

  • 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 Instructions ....................1 1.1 Unpacking and Inspection ................1 1.2 Installation Safety ...................2 1.3 Electrical Connection Safety................2 1.4 Operation Safety ....................4 1.5 Maintenance Safety ..................4 1.6 Disposal Safety ....................5 2 Product Description ..................6 2.1 System Introduction ..................6 2.2 Product Introduction..................7...
  • Page 8 4.5.3 Pole-Mounting ..................26 4.6 Installing the Inverter..................28 5 Electrical Connection ..................30 5.1 Safety Instructions ..................30 5.2 Terminal Description ..................31 5.3 Electrical Connection Overview ..............33 5.4 Crimp OT / DT terminal .................35 5.5 External Protective Grounding Connection .............36 5.5.1 External Protective Grounding Requirements ........37 5.5.2 Connection Procedure.................37 5.6 AC Cable Connection ...................38 5.6.1 AC Side Requirements ................38...
  • Page 9 6 Commissioning ....................72 6.1 Inspection before Commissioning ..............72 6.2 Commissioning Procedure ................72 7 iSolarCloud App ....................74 7.1 Brief Introduction ..................74 7.2 Installing the App ..................74 7.3 Login ......................75 7.3.1 Requirements ..................75 7.3.2 Login Procedure .................75 7.4 Function Overview..................79 7.5 Home page ....................79 7.6 Run Information....................82 7.7 Records .......................82 7.8 More......................85...

  • Page 11: Safety Instructions

    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: Installation Safety

    1 Safety Instructions User Manual Installation Safety Make sure there is no electrical connection before installation. Before drilling, avoid the water and electricity wiring in the wall. 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.
  • Page 13 User Manual 1 Safety Instructions Danger to life due to a high voltage inside the inverter! • Be sure to use special insulation tools during cable connections. • Note and observe the warning labels on the product, and perform operations strictly following the safety instructions.

  • Page 14: Operation Safety

    1 Safety Instructions User Manual Operation Safety Please comply with the following requirements when the product is running: • Do not touch its enclosure. • It is strictly forbidden to plug and unplug any connector on the inverter. • Do not touch any wiring terminal of the inverter. Otherwise, electric shock may occur.

  • Page 15: Disposal Safety

    To avoid the risk of electric shock, do not perform any other maintenance opera- tions beyond those described in this manual. If necessary, contact your distributor first. If the problem persists, contact SUNGROW. Otherwise, the losses caused is not covered by the warranty.

  • Page 16: Product Description

    The inverter applies only to the scenarios described in this manual. Description Item Note Monocrystalline silicon, polycrystalline silicon and thin-film PV strings without grounding. SG125CX-P2, SG110CX-P2 Inverter 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.（Optional）...

  • Page 17: Product Introduction

    User Manual 2 Product Description Make sure the inverter is applied to an IT system before enabling the PID recovery function. Product Introduction Model Description The model description is as follows (Take SG125CX-P2 as an example):...
  • Page 18 2 Product Description User Manual Appearance 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.

  • Page 19: Symbols On The Product

    User Manual 2 Product Description figure 2-3 Dimensions of the Inverter(in mm) Weight Model Weight SG125/110CX-P2 87 kg 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.

  • Page 20: Led Indicator

    2 Product Description User Manual Symbol Explanation Danger to life due to high voltages! Do not touch live parts for 5 minutes after disconnection from the power sources. Only qualified personnel can open and maintain the inverter. Additional grounding point. Read the user manual before maintenance! * The table shown here is for reference only.

  • Page 21: Circuit Diagram

    User Manual 2 Product Description Voltage may still be present in AC side circuits after the indicator is off. Pay atten- tion to the electricity safety during operating. Circuit Diagram The following figure shows the main circuit of the inverter. figure 2-4 Circuit Diagram •...
  • Page 22 • The communication accessory port is used to connect communication module manufac- tured by SUNGROW, and upload monitoring data by means of wireless communication. The inverter can be connected to communication devices via either of the two interfaces. When communication is established between the inverter and the communication devices, users can view inverter information or set inverter parameters, such as running parameter and protection parameter, through the iSolarCloud.
  • Page 23 User Manual 2 Product Description • Before enabling the PID recovery function, make sure the voltage polarity of the PV modules to ground meets requirement. If there are any questions, contact the PV module manufacturer or read the corresponding user manual. •...

  • Page 24: 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 25 User Manual 3 Unpacking and Storage • Do not store the inverter in places susceptible to direct sunlight, rain, and strong electric field. • Do not place the inverter in places with items that may affect or damage the inverter. •...

  • Page 26: 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 27: Environment Requirements

    User Manual 4 Mechanical Mounting 4.2.1 Environment Requirements • The installation environment must be free of inflammable or explosive materials. • The location should be not accessible to children. • The ambient temperature and relative humidity must meet the following requirements. •...

  • Page 28: Angle Requirements

    4 Mechanical Mounting User Manual 4.2.3 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. Inverters in floating plants cannot be installed at a back tilt. tilting backwards installation requirements In case the installation site is a level surface, mount the inverter to the horizontal-mounting bracket to meet the mounting angle requirements, as shown in the figure below.

  • Page 29: Clearance Requirements

    User Manual 4 Mechanical Mounting 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. • Ensure that the waterproof connectors are at least 300mm higher than the ground surface.

  • Page 30: Installation Tools

    4 Mechanical Mounting User Manual Back to Back Installation When installing inverters back-to-back, the distance between every two inverters should be at least 600 mm. Add a baffle between the two inverters to form a heat dissipation channel. The baffle plate should be placed horizontally between two inverters and should not block the air outlet of inverters.
  • Page 31 User Manual 4 Mechanical Mounting Insulated shoes Utility knife Slotted screwdriver Phillips screwdriver (M2, M3, M6) (M4, M6, M8) Hammer drill Pliers Marker Level (φ12) Rubber mallet Socket wrench set Wrench Wrist strap (M4, M8, M12) (16 mm, 33 mm) Wire cutter Wire stripper Hydraulic plier...

  • Page 32: Moving The Inverter

    4 Mechanical Mounting User Manual Moving the Inverter Before installation, remove the inverter from the packing case and move it to the installation site. It is recommended to use the four screw-in handles and the Bottom handles to move the in- verter.

  • 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 Tools Item Specification Phillips screwdriver / electric screw driver Marker Level Electric drill Drill bit: φ12 Wrench Opening: 16 mm Spare parts Item Quantity Specification Source Grub screw M4×10 Delivery scope...

  • Page 34: Wall-Mounted Installation

    4 Mechanical Mounting User Manual step 3 Secure the mounting-bracket with bolts. (A) Mounting-bracket (B) Full threaded 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 Marker Level...
  • Page 35 User Manual 4 Mechanical Mounting Item Quantity Specification Source Grub screw M4×10 Delivery scope Bolt assembly M10×95 Self-prepared (Recommended) 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 36: Pole-Mounting

    4 Mechanical Mounting User Manual (A) Wall (B) Expansion bolt (C) Mounting-bracket - - End 4.5.3 Pole-Mounting Tools Item Specification Phillips screwdriver / electric screw driver — Marker — Level Electric drill * Drill bit: φ12 wrench Opening: 16 mm * Confirm the need for other sizes of tools based on the bolts of the matching clamps.
  • Page 37 User Manual 4 Mechanical Mounting 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.

  • Page 38: Installing The Inverter

    4 Mechanical Mounting User Manual step 5 Use bolts to secure the pegboard to the U-beam. - - End Installing the Inverter Tools Item Specification Phillips screwdriver / electric screw driver Spare parts Quantity Specification Item Source Delivery scope Grub screw M6×65 step 1 Take out the inverter from the packing case.
  • Page 39 User Manual 4 Mechanical Mounting 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...

  • Page 40: 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 41: 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 42 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. Item Terminal Mark Note PV terminals + / - PV connector Used to switch on and off the DC input.

  • Page 43: Electrical Connection Overview

    User Manual 5 Electrical Connection Item Terminal Mark Note RS485 communication, digital input/output DI/ Communica- COM1,COM2 DO, etc. tion terminal Additional use at least one of them to ground the inverter. grounding terminal *If the PE cable is an independent single-core cable, it should be inserted into the AC junc- tion box through the standby grounding terminal.
  • Page 44 (2) In the case of five 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 your dis- tributor. If the distributor is unable to provide the AC sealing plate accessory, contact SUNGROW.

  • Page 45: Crimp Ot / Dt Terminal

    User Manual 5 Electrical Connection figure 5-3 Spare AC Sealing Plate Inverter for Australia and New Zealand are equipped with the five-core sealing plate by default. table 5-2 PE Wire Requirements PE Wire Cross Note Section The specifications are valid only when the phase wire and PE wire use the same material.

  • Page 46: External Protective Grounding Connection

    5 Electrical Connection User Manual 1. Heat shrink tubing 2. OT DT terminal 3. Hydraulic pliers 4. Heat gun Aluminium Cable Requirements If an aluminium cable is selected, use a copper to aluminium adapter terminal to avoid direct contact between the copper bar and the aluminium cable. figure 5-4 Aluminium cable terminal connection sequence 1.

  • Page 47: External Protective Grounding Requirements

    AC side grounding terminal are reliably grounded. The grounding connection can be made by other means if they are in accordance with the local standards and regulations, and SUNGROW shall not be held liable for the possible consequences.

  • Page 48: Ac Cable Connection

    Recommended rated voltage Inverter Model Recommended rated current SG125CX-P2 400V 250A 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 with greater overcurrent capacity is re- quired based on actual conditions.
  • Page 49 5 Electrical Connection Inverter Recommended residual current SG125CX-P2 1250 mA SG110CX-P2 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.

  • Page 50: Requirements For Ot/Dt Terminal

    5 Electrical Connection User Manual – Surge protective devices (SPD) for the AC combiner box and on the LV side of the transformer are recommended to be connected in the "3+1" manner, as shown in the figure below. The Min. continuous operating voltages of M1-M4 are 690VAC. –...
  • Page 51 User Manual 5 Electrical Connection step 2 Loosen two screws on the front cover of the junction box using 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 screws.
  • Page 52 5 Electrical Connection User Manual 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.
  • Page 53 User Manual 5 Electrical Connection step 7 Connect cables with crimped 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 may be caused to the inverter. Ensure that the depth L of the socket used is not less than 28mm.
  • Page 54 5 Electrical Connection User Manual 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 socket wrench. - - End *If the PE cable is an independent single-core cable, it is inserted into the cabinet through the standby grounding terminal.

  • Page 55: Connection Procedure (For A Single-Core Cable)

    User Manual 5 Electrical Connection 5.6.4 Connection Procedure (For a single-core cable) step 1 Disconnect the AC-side circuit breaker and prevent it from inadvertent reconnection. step 2 Loosen two screws on the front cover of the junction box using the supplied hexagon socket wrench, and open the junction box.
  • Page 56 5 Electrical Connection User Manual The screws on the sealing plate are captive screws. When the 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 the bottom sealing plate.
  • Page 57 User Manual 5 Electrical Connection step 6 Open the protective cover. step 7 Connect cables with crimped 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 may be caused to the inverter.
  • Page 58 5 Electrical Connection User Manual Ensure that the depth L of the socket used 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 socket wrench.

  • Page 59: Dc Cable Connection

    User Manual 5 Electrical Connection - - 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 60: 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 61: Assembling The Pv Connectors

    • Do not connect the AC circuit breaker before finishing electrical connection. SUNGROW provides corresponding PV connectors in the scope of delivery for quick connection of PV inputs. To ensure IP66 protection, use only the supplied connector or the connector with the same ingress of protection.
  • Page 62 5 Electrical Connection User Manual 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. Gently pull the cable backward to ensure firm connection. step 4 Tighten the cable gland and the insulator.

  • Page 63: Installing The Pv Connector

    User Manual 5 Electrical Connection 5.7.3 Installing the PV Connector step 1 Ensure that the DC switch is in "OFF" position. Otherwise, manually turn it to "OFF". 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 1,100 V.
  • Page 64 5 Electrical Connection User Manual step 3 Lead the cable through 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.

  • Page 65: Wireless Communication Module Connection(Optional)

    User Manual 5 Electrical Connection The power cables for tracking system can be connected to any two phases among L1, L2, and L3. step 5 Close the protective cover. Close the junction box and tighten the two screws on the front cover using the supplied hexagon socket wrench.

  • Page 66: Winet-S Connection (Optional)

    5 Electrical Connection User Manual Once the communication module is in use, do not connect the inverter to a 3rd party data logger at the same time via RS485. For details on module installation and configuration, refer to the manual delivered together with the module.
  • Page 67 User Manual 5 Electrical Connection step 3 Unscrew the housing from the communication module. step 4 Thread the network cable through the swivel nut 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 audible click and tighten the housing.

  • Page 68: Wlan Communication

    5 Electrical Connection User Manual step 6 Remove the waterproof lid from the COM1 terminal and install WiNet-S. step 7 Slightly shake it by hand to determine whether it is installed firmly. - - End 5.10.2 WLAN Communication step 1 Remove the waterproof lid from the COM1 terminal. step 2 Install the module.

  • Page 69: Communication Wiring Board

    User Manual 5 Electrical Connection Install the Communication Junction Box Put the junction 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 on the lower layer.

  • Page 70: Rs485 Connection

    5 Electrical Connection User Manual table 5-3 Port description Description Silk Screen RS485_3 Used to connect the external meter Used to connect the external COM100E to realize data interaction with host computer or other moni- RS485_1 toring devices Used for multiple inverters in the daisy chain to communicate RSD STOP Reserved...

  • Page 71: Rs485 Communication System

    User Manual 5 Electrical Connection Description RS485B OUT，RS485B differential signal- RS485B IN，RS485B differential signal- table 5-5 RS485_1 interface (RJ45）description Description PIN 1 ~ 2 RS485B differential signal- PIN 3 PIN 4 ~ 5 RS485A differential signal+ PIN 6 PIN 7 ~ 8 table 5-6 RS485_3 terminal description Description RS485A differential signal+...

  • Page 72: Connection Procedure(Terminal Block)

    5 Electrical Connection User Manual figure 5-6 Multi-inverter Communication System 【RS485_1 interface (terminal block)】 figure 5-7 Multi-inverter Communication System 【RS485_1 interface (RJ45)】 The length of an RS485 cable cannot exceed 1200m. If multiple 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 manual of the smart communica- tion box).
  • Page 73 User Manual 5 Electrical Connection step 2 Unscrew the swivel nut of the junction box and select the sealing ring according to the cable diameter. step 3 Strip off the protective layer and insulation layer of proper length. step 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...

  • Page 74: Connection Procedure (Rj45 Interface)

    5 Electrical Connection User Manual step 7 If other cables should be connected to the communication circuit board, skip the subsequent steps and continue wiring. Otherwise, perform as follows. step 8 Install the communication junction box, referring to" Install the Communication Junction Box"。...

  • Page 75: Dry Contact Connection

    User Manual 5 Electrical Connection Pins 1 and 2 supply power to the SUNGROW communication module. Do not con- nect or use these two pins when making an RS485 communication cable. Other- wise, the inverter or other devices connected through the communication cable may be damaged.
  • Page 76 5 Electrical Connection User Manual 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 77 User Manual 5 Electrical Connection AC-Side Requirements DC-Side Requirements Max. voltage: 230 Vac Max. voltage: 24 Vdc Max. current: 3 A Max. current: 3 A DI terminal (emergency stop dry contact) The dry contact can be configured to be an emergency stop contact. When the DI contact and PGND contact are shorted by external controlled switch (The ex- ternal switch can be configured as normally open contact or normally closed contact), the in- verter will immediately shutdown.

  • Page 78: Wiring Procedure

    5 Electrical Connection User Manual 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". 5.14.2 Wiring Procedure Connection method of the dry contacts is similar to that of the RS485 terminal block.

  • Page 79: Connection Procedure

    20 kΩ Enable the DRM function through the iSolarCloud App. If there 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. 5.15.2 Connection Procedure step 1 Remove the communication junction box, referring to"...
  • Page 80 5 Electrical Connection User Manual Outer Diameter D(mm) Sealing Rings 4.5 ~ 6 6 ~ 12 a + b 12 ~ 18 step 3 Strip the insulation layer of the Ethernet cable with a wire stripper, and insert the signal wires to the RJ45 connector.
  • Page 81 User Manual 5 Electrical Connection - - End...

  • Page 82: 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 83 User Manual 6 Commissioning 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...

  • Page 84: 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 85: Login

    User Manual 7 iSolarCloud App Login 7.3.1 Requirements The following requirements should be met: • The AC or DC side of the inverter is powered-on. • The mobile phone is within 5 meters away from the inverter and there are no obstructions in between.
  • Page 86 7 iSolarCloud App User Manual figure 7-1 Bluetooth Connection step 3 Enter the identity verification screen after the Bluetooth connection is established.
  • Page 87 If the dis- tributor is unable to provide the required information, contact SUNGROW. step 4 If the inverter is not initialized, you will enter the quick setting screen of initializing protection parameter.
  • Page 88 7 iSolarCloud App User Manual figure 7-4 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 Grid Type Network Service Provider 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 89: Function Overview

    User Manual 7 iSolarCloud App Grid Type Network Service Provider 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 •...
  • Page 90 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 91 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 92: 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. The run information includes the PV information, inverter information, input information, and output information.
  • Page 93 User Manual 7 iSolarCloud App figure 7-8 Fault Alarm Record Click to select a time segment and view corresponding records. The inverter can record up to 400 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.
  • Page 94 7 iSolarCloud App User Manual 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. table 7-5 Explanation of Power Yields Records Description Parameter Shows the power output from 5 am to 11 pm in a single day.

  • Page 95: More

    User Manual 7 iSolarCloud App More Tap More on the navigation bar to enter the corresponding screen, as shown in the following figure. figure 7-11 More 7.8.1 System Parameters Tap Settings→System Parameters to enter the corresponding screen, as shown in the fol- lowing figure.
  • Page 96 7 iSolarCloud App User Manual figure 7-13 Running Time PID Parameters Tap Settings→Operation Parameters→PID Parameters to enter the corresponding screen, on which you can set "PID Parameters". figure 7-14 PID Setting table 7-6 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.

  • Page 97: Power Regulation Parameters

    User Manual 7 iSolarCloud App figure 7-15 AFCI Setting NS Protection (Passive Valid) Tap Settings→Operation Parameters→Regular Parameters to enter the 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 Regulation Parameters→Active Power Regulation to enter the screen, as shown in the following figure.
  • Page 98 7 iSolarCloud App User Manual figure 7-17 Active Power Regulation table 7-7 Active Power Regulation Definition/Setting Range Parameter Description The switch for enabling/dis- Active power soft start abling the soft start function Enable/Disable after fault after a fault occurs. Time that the soft start takes to Active power soft start raise the power from 0 to 1s~1200s...
  • Page 99 User Manual 7 iSolarCloud App Definition/Setting Range Parameter Description Switch for enabling/disabling Active power setting the function of saving output Enable/Disable persistence limited power. The switch for limiting output Active power limit Enable/Disable power. The ratio of limiting output Active power limit ratio power to rated power in 0%~110% percentage.
  • Page 100 7 iSolarCloud App User Manual figure 7-18 Reactive Power Regulation table 7-8 Reactive Power Regulation Definition/Setting Range Parameter Description Reactive power gener- Switch for enabling/disabling Enable/Disable ation at night Q at night function. Reactive power ratio Reactive power ratio set for -100%~0%/ at night the Q at night function.
  • Page 101 User Manual 7 iSolarCloud App Descriptions Mode The reactive power can be regulated by the parameter Q-Var limits (in %). Q(P) The PF changes with the output power of the inverter. Q(U) The reactive power changes with the grid voltage. “Off”...
  • Page 102 7 iSolarCloud App User Manual Explanation Range Parameter Voltage percentage for Q(P) function 100% ~ 110% EnterVoltage activation Voltage percentage for Q(P) function QP_ExitVoltage 90% ~ 100% deactivation Power percentage for Q(P) function QP_ExitPower 1% ~ 100% deactivation Unconditional activation/deactivation of Q QP_EnableMode Yes / No (P) function...

  • Page 103: Communication Parameters

    User Manual 7 iSolarCloud App Explanation Range Parameter Value of Q/Sn at P3 on the Q(U) mode QU_Q3 -60% ~ 60% curve Grid voltage limit at P4 on the Q(U) mode QU_V4 100% ~ 120% curve Value of Q/Sn at P4 on the Q(U) mode QU_Q4 0 ~ 60% curve...

  • Page 104: Password Changing

    7 iSolarCloud App User Manual step 2 Open the App, enter the account and password on the login screen. Tap Login to enter the home screen. step 3 Tap More→Firmware Download to enter corresponding screen on which you can view the device list.
  • Page 105 User Manual 7 iSolarCloud App figure 7-22 Change Password The password shall consisit of 8–20 digits, including letters and numbers.

  • Page 106: 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 107: Disposal Of The Inverter

    User Manual 8 System Decommissioning 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 108: 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 109 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 110 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 111 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 112 If so, replace the dam- aged cable and secure terminals to ensure a reli- able connection. 5. 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 113 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 114 Close the AC and DC switches in turn 15 248–255, 300– minutes later and restart the system. 322, 324–328, 3. Contact Sungrow Customer Service if the pre- 401–412, 600– ceding causes are ruled out and the fault persists. 603, 605, 608, 612, 616, 620, 622–624, 800,...
  • Page 115 Close the AC and DC switches in turn 15 364-395 minutes later and restart the system. Overvoltage Fault 2. If the fault persists, please contact Sungrow Power Customer Service. 1. Check whether the number of PV modules of the corresponding string is less than other strings.

  • Page 116: Maintenance

    3. Do not reinsert the faulty strings before the grounding fault is cleared; 4. If the fault is not caused by the foregoing rea- sons and still exists, contact Sungrow Customer Service. 1. It is prohibited to disconnect the DC switch when the DC current is greater than 0.5 A when...

  • Page 117: Routine Maintenance

    To avoid the risk of electric shock, do not perform any other maintenance opera- tions beyond this manual. If necessary, contact your distributor first. If the problem persists, contact SUNGROW. Otherwise, the losses caused is not covered by the warranty.

  • Page 118: 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 119 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 Loosen screws on the side of the fan module.
  • Page 120 9 Troubleshooting and Maintenance User Manual step 5 Pull out the fans. Clean them with a soft brush or vacuum cleaner, and replace them when necessary. - - End...

  • Page 121: Appendix

    10 Appendix 10.1 Technical Data SG125CX-P2 SG110CX-P2 Parameters Input (DC) Recommended max. PV input 175 kW 154 kW power Max. PV input 1100 V voltage Min. PV input volt- age / Startup input 180 V / 200 V voltage Rated PV input...
  • Page 122 10 Appendix User Manual SG125CX-P2 SG110CX-P2 Parameters 304 - 456V (380V) / 320 - 480 V 320 – 480V AC voltage range (400V) Rated grid 50 Hz / 60 Hz frequency Grid frequency 45 – 55 Hz / 55 – 65 Hz range <...

  • Page 123: Wring Distance Of Di Dry Contact

    User Manual 10 Appendix SG125CX-P2 SG110CX-P2 Parameters Dimensions 1020 * 795* 360 mm (W*H*D) Wall-mounting bracket Mounting Method 87 kg Weight Topology Transformerless Degree of IP66 protection Corrosion Night power ＜ 5 W consumption Operating ambient -30 to 60 ℃...
  • Page 124 10 Appendix User Manual 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 125: 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.
  • Page 126 Sungrow Power Supply Co., Ltd. www.sungrowpower.com...

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