Sungrow SG110CX User Manual
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Sungrow SG110CX User Manual

Pv grid-connected inverter
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S S G G 1 1 1 1 0 0 C C X X P P V V G G r r i i d d - - C C o o n n n n e e c c t t e e d d
I I n n v v e e r r t t e e r r U U s s e e r r M M a a n n u u a a l l S S G G 1 1 1 1 0 0 C C X X - -
U U E E N N - - V V e e r r 1 1 7 7 - - 2 2 0 0 2 2 0 0 1 1 0 0
SG110CX-UEN-Ver17-202010
SG110CX
P P V V G G r r i i d d - - C C o o n n n n e e c c t t e e d d I I n n v v e e r r t t e e r r
U U s s e e r r M M a a n n u u a a l l

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Summary of Contents for Sungrow SG110CX

  • Page 1 I I n n v v e e r r t t e e r r U U s s e e r r M M a a n n u u a a l l S S G G 1 1 1 1 0 0 C C X X - - U U E E N N - - V V e e r r 1 1 7 7 - - 2 2 0 0 2 2 0 0 1 1 0 0 SG110CX-UEN-Ver17-202010 SG110CX...

  • Page 3: All Rights Reserved

    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

    V V a a l l i i d d i i t t y y This manual is valid for the following inverter types: SG110CX • They will be referred to as “inverter” hereinafter unless otherwise specified. T T a a r r g g e e t t G G r r o o u u p p...
  • Page 5 S S y y m m b b o o l l E E x x p p l l a a n n a a t t i i o o n n Indicates a situation that, if not avoided, could result in equipment or property damage.

  • Page 7: Table Of Contents

    C C o o n n t t e e n n t t s s All Rights Reserved .....................I About This Manual .....................II 1 Safety ......................1 1.1 PV Panels..................... 1 1.2 Utility Grid ....................1 1.3 Inverter ......................2 1.4 Skills of Qualified Personnel................
  • Page 8 4.4.1 Manual Transport ................19 4.4.2 Hoisting Transport ................19 4.5 Dimensions of mounting-bracket..............20 4.6 PV Bracket-Mounted Installation..............21 4.6.1 Preparation before Mounting ............21 4.6.2 Mounting Steps ................21 4.7 Wall-Mounted Installation ................23 4.7.1 Preparation before Mounting ............23 4.7.2 Mounting Steps ................
  • Page 9 6 Commissioning ................... 55 6.1 Inspection before Commissioning............... 55 6.2 Commissioning Procedure ................. 55 7 iSolarCloud App ..................56 7.1 Brief Introduction..................56 7.2 Download and Install .................. 56 7.3 Login......................57 7.3.1 Requirements ................... 57 7.3.2 Login Steps ..................57 7.4 Function Overview ..................

  • Page 11: Safety

    The safety instructions in this manual cannot cover all the precautions that should be followed. Perform operations considering actual onsite conditions. SUNGROW shall not be held liable for any damage caused by violation of the safety instructions in this manual.

  • Page 12: Inverter

    1 Safety User Manual All electrical connections must be in accordance with local and national standards. Only with the permission of the utility grid, the inverter can be connected to the utility grid. 1.3 Inverter Danger to life from electric shocks due to live voltage Do not open the enclosure at any time.

  • Page 13: Skills Of Qualified Personnel

    User Manual 1 Safety Only qualified personnel can perform the country setting. Unauthorized alteration of the country setting may cause a breach of the • type-certificate marking. By touching the electronic components, you may damage the inverter. For inverter handling, be sure to: avoid any unnecessary touching;and, •...

  • Page 14: Product Introduction

    Product Introduction 2.1 Intended Usage SG110CX, a transformerless three-phase PV grid-connected inverter, is an integral component in the PV power system. The inverter is designed to convert the direct current power generated from the PV modules into grid-compatible AC current and feeds the AC current to the utility grid. The intended usage of the inverter is illustrated in "Figure 2-1 Inverter application in PV...

  • Page 15: Product Introduction

    P P o o w w e e r r 110 kVA @ 45 ℃ / 3/PE/N, 400V SG110CX 100 kVA @ 50 ℃ The device model can be found on the nameplate attached to the side of the inverter.

  • Page 16: Appearance

    D D i i m m e e n n s s i i o o n n s s ( ( W W * * H H * * D D ) ) W W e e i i g g h h t t 1051×660×362.5mm 89kg SG110CX...

  • Page 17: Led Indicator Panel

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

  • Page 18: Circuit Diagram

    2 Product Introduction User Manual 2.3 Circuit Diagram The MPPT is utilized for DC input to ensure the maximum power from the PV array at different PV input conditions. The inversion circuit converts the DC power into AC power and feeds the AC power into the utility grid through the AC terminal. The protection circuit is equipped to ensure the safe operation of the device and personal safety.
  • Page 19 User Manual 2 Product Introduction 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 its corresponding user manual. If the voltage scheme for the PID protection/recovery function does not meet •...

  • Page 20: Unpacking And Storage

    Check the delivery scope for completeness according to the packing list. • Contact SUNGROW or the supplier in case there is any damage or incompleteness. Do not dispose of the original packing case. It is recommended to store the inverter in it.
  • Page 21 D D e e s s c c r r i i p p t t i i o o n n I I t t e e m m SUNGROW logo and product type Technical data of inverter Instructions and marks of conformity...

  • Page 22: Scope Of Delivery

    3 Unpacking and Storage User Manual 3.3 Scope of Delivery F F i i g g u u r r e e 3 3 - - 2 2 Scope of Delivery a. The mounting-bracket includes 2 mounting-bracket components and 1 connecting bar.
  • Page 23 User Manual 3 Unpacking and Storage Store the inverter in the original packing case with the desiccant inside. • The storage temperature must be always between -40° C and +70° C, and the • storage relative humidity must be always between 0 and 95 %, non-condensing. In case of stacking storage, the number of stacking layers should never exceed the •...

  • Page 24: Mechanical Mounting

    Mechanical Mounting 4.1 Safety during Mounting Make sure there is no electrical connection before installation. In order to avoid electric shock or other injury, be sure there is no electricity or plumbing installations before drilling holes. Risk of injury due to improper handling Always follow the instructions when moving and positioning the inverter.

  • Page 25: Carrier Requirements

    User Manual 4 Mechanical Mounting The ambient temperature and relative humidity must meet the following • requirements. Do not install the inverter outdoors in areas with salt damage, which mainly refer to • the areas within 500 m away from the coast. The deposition of salt fog varies largely with nearby seawater characteristics, sea wind, precipitation, relative humidity, terrain, and forest coverage.

  • Page 26: Installation Clearance Requirements

    4 Mechanical Mounting User Manual 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. Take the following items into account when designing the bracket scheme: Consider onsite climate conditions and take anti-snow and anti-rain •...
  • Page 27 User Manual 4 Mechanical Mounting In case of multiple inverters, reserve specific clearance between the inverters. • In case of back-to-back installation, reserve specific clearance between the two • inverters. Install the inverter at an appropriate height for ease of viewing LED indicators and •...

  • Page 28: Installation Tools

    4 Mechanical Mounting User Manual 4.3 Installation Tools Installation tools include but are not limited to the following recommended ones. If necessary, use other auxiliary tools on site. Table 4-1 Tool specification S S p p e e c c i i f f i i c c a a t t i i o o n n N N o o .

  • Page 29: Moving The Inverter

    User Manual 4 Mechanical Mounting 4.4 Moving the Inverter Move the inverter to the specified position before installation. The inverter can be moved manually or via a hoist. 4.4.1 Manual Transport Step 1 Release the sealing screws on the mounting ears with a flat-head screwdriver and store them properly.

  • Page 30: Dimensions Of Mounting-Bracket

    4 Mechanical Mounting User Manual Step 2 Lead the sling through the two lifting rings and fasten the tie-down strap. Step 3 Hoist the inverter, and stop to check for safety when the inverter is 100mm above the ground. Continue 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.

  • Page 31: Pv Bracket-Mounted Installation

    User Manual 4 Mechanical Mounting F F i i g g u u r r e e 4 4 - - 1 1 Dimensions of mounting-bracket 4.6 PV Bracket-Mounted Installation 4.6.1 Preparation before Mounting T T o o o o l l s s S S p p e e c c i i f f i i c c a a t t i i o o n n I I t t e e m m Phillips screwdriver/ electric...
  • Page 32 4 Mechanical Mounting User Manual Step 2 Level the assembled mounting-bracket by using the level, and mark the positions for drilling holes on the PV bracket. Drill the holes by using a hammer drill. Step 3 Secure the mounting-bracket with bolts. Table 4-2 Fastening sequence C C o o m m p p o o n n e e n n t t s s D D e e s s c c r r i i p p t t i i o o n n...

  • Page 33: Wall-Mounted Installation

    User Manual 4 Mechanical Mounting Step 7 Fix the inverter with two M6×65 screws. - - - - E E n n d d 4.7 Wall-Mounted Installation 4.7.1 Preparation before Mounting T T o o o o l l s s S S p p e e c c i i f f i i c c a a t t i i o o n n I I t t e e m m Phillips screwdriver/ electric...
  • Page 34 4 Mechanical Mounting User Manual Step 2 Level the assembled mounting-bracket by using the level, and mark the positions for drilling holes on the installation site. Step 3 Insert the expansion bolts into the holes and secure them with a rubber hammer. Fasten the nut with a wrench to expand the bolt.
  • Page 35 User Manual 4 Mechanical Mounting Table 4-3 Fastening sequence D D e e s s i i g g n n a a t t i i o o n n D D e e s s c c r r i i p p t t i i o o n n I I t t e e m m Wall Fastening the bolt in the sequence of nut, spring washer,...

  • Page 36: Electrical Connection

    Electrical Connection 5.1 Safety Instructions Prior to any electrical connections, keep in mind that the inverter has dual power supplies. It is mandatory for the qualified personnel to wear personal protective equipments (PPE) during the electrical work. Danger to life due to a high voltage inside the inverter! The PV string will generate lethal high voltage when exposed to sunlight.
  • Page 37 User Manual 5 Electrical Connection F F i i g g u u r r e e 5 5 - - 1 1 Wiring terminals * Figure shown here is for reference only. The actual product you receive may differ！ I I t t e e m m T T e e r r m m i i n n a a l l M M a a r r k k...

  • Page 38: Electrical Connection Overview

    5 Electrical Connection User Manual 5.3 Electrical Connection Overview Electrical connection in the PV system includes additional grounding connection, AC connection, and PV string connection. D D e e s s i i g g n n a a t t i i o o n n I I t t e e m m PV string Inverter...
  • Page 39 Requirements". **If case of four single-core cables, an spare AC sealing plate accessory is required. To purchase the AC sealing plate accessory, contact SUNGROW. Table 5-2 PE wire requirements P P h h a a s s e e w w i i r r e e c c r r o o s s s s...

  • Page 40: Additional Grounding Connection

    5 Electrical Connection User Manual Table 5-3 Power cable for tracking system S S p p e e c c i i f f i i c c a a t t i i o o n n C C a a b b l l e e R R e e c c o o m m m m e e n n d d e e d d T T y y p p e e C C a a b b l l e e...

  • Page 41: Opening The Wiring Compartment

    User Manual 5 Electrical Connection 1:Heat shrink tubing 2：OT/DT terminal Step 2 Remove the screw on the grounding terminal and fasten the cable with a screwdriver. Step 3 Apply paint to the grounding terminal to ensure corrosion resistance. - - - - E E n n d d The grounding screws have been anchored to the side of the inverter before delivery, and do not need to be prepared.

  • Page 42: Ac Cable Connection

    R R e e c c o o m m m m e e n n d d e e d d r r a a t t e e d d v v o o l l t t a a g g e e I I n n v v e e r r t t e e r r c c u u r r r r e e n n t t SG110CX 400V 200A...
  • Page 43 M M u u l l t t i i p p l l e e I I n n v v e e r r t t e e r r s s i i n n p p a a r r a a l l l l e e l l C C o o n n n n e e c c t t i i o o n n If multiple inverters are connected in parallel to the grid, ensure that the total number of parallel inverters does not exceed 25. Otherwise, please contact SUNGROW for technical scheme.

  • Page 44: Requirements For Ot/Dt Terminal

    5 Electrical Connection User Manual The transformer is an important part of grid-connected PV generation system. The • fault tolerance capacity of the transformer should 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 •...

  • Page 45: Aluminium Cable Requirements

    User Manual 5 Electrical Connection 5.6.3 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. F F i i g g u u r r e e 5 5 - - 3 3 Aluminium cable terminal connection sequence Ensure that the selected terminal can directly contact with the copper bar.
  • Page 46 5 Electrical Connection User Manual Step 4 Strip the protection layer and insulation layer by specific length, as described in the figure below. Step 5 If wiring of tracking system power cable is required, refer to"5.8 Wiring of Tracking System Power Cable (Optional)" .
  • Page 47 User Manual 5 Electrical Connection 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 48: Dc Cable Connection

    5 Electrical Connection User Manual If the PE cable is an independent single-core cable, it is inserted into the cabinet through the standby grounding terminal. - - - - E E n n d d 5.7 DC Cable Connection Electric shock! The PV array will generate lethal high voltage once exposed to sunlight.

  • Page 49: Connection Procedure

    SG110CX 1100V 5.7.2 Connection Procedure SUNGROW provides corresponding plug connectors in the scope of delivery for quick connection of PV inputs. DC cables should be connected to the inverter via PV connectors which are included in the scope of delivery.
  • Page 50 • Use MC4– Evo2 DC terminals if the maximum input voltage is greater than • 1,000V. 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 51: Installing The Pv Connectors

    User Manual 5 Electrical Connection The inverter will not function properly if any PV polarity is reversed. - - - - E E n n d d 5.7.3 Installing the PV Connectors Step 1 Rotate all the DC switches to "OFF" position. Skip performing step1 when the actual device is not equipped with DC switches.

  • Page 52: Wiring Of Tracking System Power Cable (Optional)

    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. Step 4 Follow the foregoing steps to connect PV connectors of other PV strings.
  • Page 53 User Manual 5 Electrical Connection Step 3 Strip the protection layer and insulation layer by specific length, as described in the figure below. Step 4 Install the OT terminal and press it tight. Step 5 Stack the OT terminals on the OT/DT terminal of the AC cables, and fix the cables to corresponding terminals.

  • Page 54: Rs485 Communication

    5 Electrical Connection User Manual Step 6 Gently pull the cable backwards to ensure firm connection, and fasten the swivel nut clockwise. - - - - E E n n d d There are three communication terminals COM1, COM2, and COM3 on the bottom of the inverter.
  • Page 55 User Manual 5 Electrical Connection The inverter is equipped with two groups of RS485 communication port for external communication connection, which are RS485_1 interface 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 56: Rs485 Communication System

    5 Electrical Connection User Manual N N o o D D e e f f i i n n i i t t i i o o n n RS485 A OUT, RS485A differential signal+ RS485 B OUT, RS485B differential signal- GND, shielded earthing point The terminal block interface and RJ45 interface have the same function with only wiring manner different.
  • Page 57 User Manual 5 Electrical Connection F F i i g g u u r r e e 5 5 - - 4 4 Multi-inverter communication system【RS485_1 Interface（Terminal Block）】 F F i i g g u u r r e e 5 5 - - 5 5 Multi-inverter communication system【RS485_1 Interface（RJ45）】 When more than 15 inverters are connected on the same daisy chain, the inverters on two ends of the chain should be equipped with terminal resistors of 120Ω...

  • Page 58: Connection Procedure(Terminal Block)

    5 Electrical Connection User Manual F F i i g g u u r r e e 5 5 - - 6 6 Configuration of dip switch (N≥15) The length of the RS485 cable should be no longer than 1,200m. If multiple inverters are connected to the data collectorLogger3000, the number of permissible daisy chains and the number of devices allowed to be connected should meet the requirements (refer to the user manual for the...

  • Page 59: Connection Procedure (Rj45 Network Port)

    User Manual 5 Electrical Connection O O u u t t e e r r d d i i a a m m e e t t e e r r D D ( ( m m m m ) ) S S e e a a l l 4.5~6 6~12...
  • Page 60 5 Electrical Connection User Manual O O u u t t e e r r d d i i a a m m e e t t e e r r D D ( ( m m m m ) ) S S e e a a l l 4.5~6 6~12...

  • Page 61: Dry Contact Connection

    User Manual 5 Electrical Connection - - - - E E n n d d 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 terminal block.
  • Page 62 5 Electrical Connection User Manual F F i i g g u u r r e e 5 5 - - 7 7 Normal open contact F F i i g g u u r r e e 5 5 - - 8 8 Normal close contact Devices connected to the relay should comply with related requirements: A A C C - - S S i i d d e e R R e e q q u u i i r r e e m m e e n n t t s s D D C C - - S S i i d d e e R R e e q q u u i i r r e e m m e e n n t t s s...

  • Page 63: Wiring Procedure

    User Manual 5 Electrical Connection F F i i g g u u r r e e 5 5 - - 9 9 Local stop contact F F i i g g u u r r e e 5 5 - - 1 1 0 0 Daisy chain topology When wiring DI dry contacts, ensure that the maximum wiring distance meet the requirements in "10.2 Wring Distance of DI Dry...

  • Page 64: Communication Module Connection (Optional)

    - - - - E E n n d d 5.12 Communication Module Connection (optional) Connect the communication module produced by SUNGROW, such as Eye, WiFi, or E- Net to the communication accessory 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 65: Commissioning

    Commissioning 6.1 Inspection before Commissioning Check the following items before starting the inverter: The inverter DC switch and external circuit breaker are disconnected. • The inverter should be accessible for operation, maintenance and service. • Nothing is left on the top of the inverter. •...

  • Page 66: Isolarcloud App

    iSolarCloud App 7.1 Brief Introduction The iSolarCloud App can establish communication connection to the inverter via the Bluetooth, 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.

  • Page 67: Login

    User Manual 7 iSolarCloud App 7.3 Login 7.3.1 Requirements The following items should meet requirements: The AC or DC side of the inverter is powered-on. • The mobile phone is within 5m away from the inverter and there are no obstructions •...
  • Page 68 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 initialize protection parameter.

  • Page 69: Function Overview

    User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 3 3 Initialization protection parameter Reset the protection parameters if the country setting is incorrect. Otherwise, fault may occur. In the European region, such as Netherlands, Sweden, Denmark, whose grid code complies with EN50549, select the parameter EN50549_1 (LV grid- connection) or EN50549_2 (MV grid-connection).

  • Page 70: Home Page

    7 iSolarCloud App User Manual F F i i g g u u r r e e 7 7 - - 4 4 App function tree map 7.5 Home page After login, the home page is as follows: F F i i g g u u r r e e 7 7 - - 5 5 Home page Table 7-1 Home page description D D e e s s i i g g n n a a t t i i o o n n D D e e s s c c r r i i p p t t i i o o n n...
  • Page 71 User Manual 7 iSolarCloud App D D e e s s i i g g n n a a t t i i o o n n D D e e s s c c r r i i p p t t i i o o n n N N o o .

  • Page 72: Running Information

    7 iSolarCloud App User Manual Table 7-3 Description of PID function state D D e e s s c c r r i i p p t t i i o o n n S S t t a a t t e e PID recovery The inverters perform PID recovery actively.
  • Page 73 User Manual 7 iSolarCloud App Table 7-4 Run information C C l l a a s s s s i i f f i i c c a a - - D D e e s s c c r r i i p p t t i i o o n n P P a a r r a a m m e e t t e e r r t t i i o o n n String n Voltage...

  • Page 74: History Record

    7 iSolarCloud App User Manual C C l l a a s s s s i i f f i i c c a a - - D D e e s s c c r r i i p p t t i i o o n n P P a a r r a a m m e e t t e e r r t t i i o o n n Phase B Current...

  • Page 75: Power Yields Records

    User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 9 9 Detailed fault alarm info 7.7.2 Power Yields Records User can view various energy records: power curve, daily energy histogram, monthly energy histogram, and annual energy histogram.

  • Page 76: Event Records

    7 iSolarCloud App User Manual F F i i g g u u r r e e 7 7 - - 1 1 0 0 Power Curve Tap the time bar on the top of the screen to select a time segment and view the corresponding power curve.

  • Page 77: Parameter Setting

    User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 1 1 1 1 More 7.8.1 Parameter Setting Tap " " to enter the setting screen, as shown in the following Figure. F F i i g g u u r r e e 7 7 - - 1 1 2 2 Settings System Parameters •...
  • Page 78 7 iSolarCloud App User Manual Tap" " to enter Operation Parameters screen, as shown in the following Figure. F F i i g g u u r r e e 7 7 - - 1 1 4 4 Operation Parameters Running Time •...
  • Page 79 User Manual 7 iSolarCloud App Tap" " to enter AFCI Parameters screen, on which AFD self-test function and AFCI activation function can be enabled or disabled; and AFD alarm can be cleared, as shown in the following Figure. F F i i g g u u r r e e 7 7 - - 1 1 7 7 AFCI Parameters Power Regulation Parameters •...
  • Page 80 7 iSolarCloud App User Manual D D e e f f i i n n i i t t i i o o n n / / S S e e t t t t i i n n g g R R a a n n g g e e P P a a r r a a m m e e t t e e r r d d e e s s c c r r i i p p t t i i o o n n...
  • Page 81 User Manual 7 iSolarCloud App D D e e f f i i n n i i t t i i o o n n / / S S e e t t t t i i n n g g R R a a n n g g e e P P a a r r a a m m e e t t e e r r d d e e s s c c r r i i p p t t i i o o n n...
  • Page 82 7 iSolarCloud App User Manual D D e e f f i i n n i i t t i i o o n n / / S S e e t t t t i i n n g g R R a a n n g g e e P P a a r r a a m m e e t t e e r r d d e e s s c c r r i i p p t t i i o o n n...
  • Page 83 User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 1 1 9 9 Q(U) Curve F F i i g g u u r r e e 7 7 - - 2 2 0 0 Q(P) Curve Communication Parameters •...

  • Page 84: Firmware Update

    P P r r e e p p a a r r a a t t i i o o n n o o f f f f i i r r m m w w a a r r e e u u p p d d a a t t e e p p a a c c k k a a g g e e Contact the supplier or Sungrow to get the update package (. zip file) and store the package in the specified path.
  • Page 85 User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 2 2 3 3 Change password The password shall consisit of 8–20 digits, including letters and numbers.

  • Page 86: System Decommissioning

    System Decommissioning 8.1 Disconnecting the Inverter 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. Lethal voltages or damage to the inverter will follow if otherwise. Step 1 Disconnect the external AC circuit breaker and secure it against reconnection.

  • Page 87: Disposal Of The Inverter

    User Manual 8 System Decommissioning Step 1 Refer to "5 Electrical Connection"for the inverter disconnection of all cables in reverse steps. Step 2 Dismantle the inverter referring to "4 Mechanical Mounting"in reverse steps. Step 3 If necessary, remove the wall-mounting bracket from the wall. Step 4 If the inverter will be reinstalled in the future, please refer to "3.4 Inverter Storage"for a...

  • Page 88: Troubleshooting And Maintenance

    App or the LCD. 3. Check whether the cross-sectional area of the AC cable meets the requirement. 4. If the fault is not caused by the foregoing reasons and still exists, contact SUNGROW. Grid transient Generally, the inverter will be reconnected overvoltage, to the grid after the grid returns to normal.
  • Page 89 3. Check whether the AC cable is firmly in place. 4. If the fault is not caused by the foregoing reasons and still exists, contact SUNGROW. Generally, the inverter will be reconnected to the grid after the grid returns to normal. If the fault occurs repeatedly: 1.
  • Page 90 SUNGROW. Wait for the inverter to return to normal. Disconnect the AC and DC switches, and Device anomaly reconnect the AC and DC switches 15 minutes later to restart the inverter. If the fault still exists, contact SUNGROW.
  • Page 91 AC and DC cables are well insulated. 3. If the fault is not caused by the foregoing reasons and still exists, contact SUNGROW. Generally, the inverter will be reconnected to the grid after the grid returns to normal. If...
  • Page 92 Wait for the inverter to return to normal. power is excessively large and out of the If the fault still exists, contact SUNGROW. normal operation range of the inverter. Generally, the inverter will be reconnected to the grid after the grid returns to normal. If the fault occurs repeatedly: 1.
  • Page 93 Device anomaly reconnect the AC and DC switches 15 minutes later to restart the inverter. If the fault still exists, contact SUNGROW. Wait for the inverter to return to normal. If the fault occurs repeatedly: 1. Check whether the ISO resistance...
  • Page 94 Disconnect the AC and DC switches, and Device anomaly reconnect the AC and DC switches 15 040-042 minutes later to restart the inverter. If the fault still exists, contact SUNGROW. Low ambient temperature, the ambient temperature is Stop and disconnect the inverter. Restart...
  • Page 95 3. If the fault is not caused by the foregoing reasons and still exists, contact SUNGROW. Restart the inverter or clear the fault through Protection self-check the App. failure on grid side If the fault still exists, contact SUNGROW.
  • Page 96 Device anomaly reconnect the AC and DC switches 15 116-117 minutes later to restart the inverter. If the fault still exists, contact SUNGROW. 1. Check if the xth PV string needs to be connected. If not, ignore the alarm; and If so, check the connection status and make sure it is connected reliably.
  • Page 97 String x reverse 532-547 2. If the fault is not caused by the foregoing connection alarm reasons and still exists, contact SUNGROW. *The code 532 to code 547 are corresponding to string 1 to string 16 respectively. 1. Check whether the corresponding module is sheltered.

  • Page 98: Maintenance

    Restart the inverter only after removing the fault that impairs safety performance. As the inverter contains no component parts that can be maintained, never arbitrarily replace any internal components. For any maintenance need, please contact SUNGROW. Otherwise, SUNGROW shall not be held liable for any damage caused.

  • Page 99: Routine Maintenance

    User Manual 9 Troubleshooting and Maintenance 9.2.1 Routine Maintenance I I t t e e m m M M e e t t h h o o d d P P e e r r i i o o d d Check the temperature and dust of the inverter.
  • Page 100 9 Troubleshooting and Maintenance User Manual F F a a n n M M a a i i n n t t e e n n a a n n c c e e Stop the inverter and disconnect it from all power supplies before •...
  • Page 101 User Manual 9 Troubleshooting and Maintenance 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 reverse order and restart the inverter. - - - - E E n n d d...

  • Page 102: Appendix

    10 Appendix 10.1 Technical Data S S G G 1 1 1 1 0 0 C C X X P P a a r r a a m m e e t t e e r r s s I I n n p p u u t t ( ( D D C C ) ) Max.
  • Page 103 User Manual 10 Appendix S S G G 1 1 1 1 0 0 C C X X P P a a r r a a m m e e t t e e r r s s 0.8 leading – 0.8 lagging Adjustable power factor Feed-in phases / Connection phases...

  • Page 104: Wring Distance Of Di Dry Contact

    10 Appendix User Manual S S G G 1 1 1 1 0 0 C C X X P P a a r r a a m m e e t t e e r r s s IEC 62109, IEC 61727, IEC 62116, IEC 60068, IEC 61683, VDE-AR-N 4110:2018, VDE-AR-N 4120:2018, IEC 61000-6-3, EN 50438, Compliance...

  • Page 105: Quality Assurance

    E E x x c c l l u u s s i i o o n n o o f f L L i i a a b b i i l l i i t t y y In the following circumstances, SUNGROW has the right to refuse to honor the quality...

  • Page 106: Contact Information

    The fault or damage is caused by installation, repairs, modification, or disassembly • performed by a service provider or personnel not from SUNGROW. The fault or damage is caused by the use of non-standard or non-SUNGROW • components or software.
  • Page 107 M M a a l l a a y y s s i i a a P P h h i i l l i i p p p p i i n n e e s s Sungrow SEA Sungrow Power Supply Co., Ltd Selangor Darul Ehsan Mandaluyong City...
  • Page 108 L L u u x x e e m m b b o o u u r r g g ( ( B B e e n n e e l l u u s s ) ) Sungrow Vietnam...
  • Page 109 Sungrow Power Supply Co., Ltd. Add: No.1699 Xiyou Rd.,New & High Technology Industrial Development Zone, 230088,Hefei, P. R. China. Web: www.sungrowpower.com E-mail: info@sungrow.cn Tel: +86 551 6532 7834 / 6532 7845 Specifications are subject to changes without advance notice.

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