Sungrow SG250HX-US User Manual
  1. Manuals
  2. Brands
  3. Sungrow Manuals
  4. Inverter
  5. SG250HX-US
  6. User manual

Sungrow SG250HX-US User Manual

Pv grid-connected inverter
Hide thumbs Also See for SG250HX-US:
Table of Contents

Advertisement

Quick Links

Download this manual
S S G G 2 2 5 5 0 0 H H X X - - U U S S 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 2 2 5 5 0 0 H H X X - -
U U S S - - U U E E N N - - V V e e r r 1 1 2 2 - - 2 2 0 0 2 2 0 0 0 0 8 8
SG250HX-US-UEN-Ver12-202008
SG250HX-US
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

Advertisement

Table of Contents
loading

Related Manuals for Sungrow SG250HX-US

Summary of Contents for Sungrow SG250HX-US

  • Page 1 U U S S - - U U E E N N - - V V e e r r 1 1 2 2 - - 2 2 0 0 2 2 0 0 0 0 8 8 SG250HX-US-UEN-Ver12-202008 SG250HX-US...

  • 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: SG250HX-US • 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 ................20 4.4.2 Hoisting Transport ................20 4.5 Dimensions of mounting-bracket..............21 4.6 PV Bracket-Mounted Installation..............22 4.6.1 Preparation before Mounting ............22 4.6.2 Mounting Steps ................22 4.7 Wall-Mounted Installation ................24 4.7.1 Preparation before Mounting ............24 4.7.2 Mounting Steps ................
  • Page 9 5.12 PLC Communication Connection .............. 53 5.13 Dry Contact Connection ................53 5.13.1 Dry Contact Function ..............54 5.13.2 Wiring Procedure................56 5.14 Closing the Wiring Compartment .............. 56 6 Commissioning ................... 58 6.1 Inspection before Commissioning............... 58 6.2 Commissioning Procedure ................. 58 7 iSolarCloud App ..................
  • Page 10 10.2 Wring Distance of DI Dry Contact ............. 97 10.3 Quality Assurance ..................98 10.4 Contact Information ................. 99 VIII...

  • 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 SG250HX-US, 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 2-2 Inverter application in PV and...
  • Page 15 I I t t e e m m N N o o t t e e Monocrystalline silicon, polycrystalline silicon and thin- PV strings film without grounding. Inverter SG250HX-US Boost the low voltage from inverter to grid-compatible Transformer medium voltage. Utility grid TN-C, TN-S, TN-C-S, TT, IT.

  • Page 16: Product Introduction

    P P o o w w e e r r 250 kVA @ 30 ℃ / 3 / PE, 800 V SG250HX-US 225 kVA @ 40 ℃ / 200 KVA @ 50 ℃ The device model can be found on the nameplate attached to the side of the inverter.

  • Page 17: Appearance

    User Manual 2 Product Introduction 2.2.2 Appearance *The image shown here is for reference only. The actual product you receive may differ. 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 18: Led Indicator Panel

    2 Product Introduction User Manual T T y y p p e e 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*363mm SG250HX-...

  • Page 19: Circuit Diagram

    User Manual 2 Product Introduction Turn the DC switches to the ON position before restarting the inverter. 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.
  • Page 20 2 Product Introduction User Manual The standard RS485 communication interfaces are used to establish communication connection with monitoring devices and upload monitoring data by using communication cables. After communication connection is established, users can view inverter information or set inverter parameters in a certain remote online portal. P P r r o o t t e e c c t t i i o o n n F F u u n n c c t t i i o o n n The protective functions are integrated in the inverter, including anti-island protection, LVRT/ZVRT, DC reversed polarity protection, AC short circuit protection, leakage current...
  • Page 21 User Manual 2 Product Introduction If the PID recovery function is enabled, it only works at night. • After the PID recovery function is enabled, the voltage of the PV string to • ground is 500Vdc by default, and the default value can be modified through the App.

  • Page 22: 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 23 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 24: 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 25 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 26: 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 27: 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 28 4 Mechanical Mounting User Manual * The distance can be shortened to 200mm according to onsite conditions. In case the distance is less than 800mm, move the inverter from the mounting-bracket or wall before maintaining fans. In case of multiple inverters, reserve specific clearance between the inverters. •...

  • Page 29: Installation Tools

    User Manual 4 Mechanical Mounting 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 30: Moving The Inverter

    4 Mechanical Mounting User Manual 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 31: Dimensions Of Mounting-Bracket

    User Manual 4 Mechanical Mounting 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 32: Pv Bracket-Mounted Installation

    4 Mechanical Mounting User Manual 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 33 User Manual 4 Mechanical Mounting 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 34: Wall-Mounted Installation

    4 Mechanical Mounting User Manual 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 35 User Manual 4 Mechanical Mounting 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 36 4 Mechanical Mounting User Manual 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 37: 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 38 5 Electrical Connection User Manual 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 39: Electrical Connection Overview

    User Manual 5 Electrical Connection S S p p e e c c i i f f i i c c a a t t i i - - I I t t e e m m T T r r a a d d e e S S i i z z e e o o f f C C o o n n d d u u i i t t o o n n 119mm 106mm...
  • Page 40 5 Electrical Connection User Manual Table 5-1 Cable requirements 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 T T y y p p e e N N o o .

  • Page 41: Additional Grounding Connection

    User Manual 5 Electrical Connection 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 42: Opening The Wiring Compartment

    5 Electrical Connection User Manual 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 43: Ac Cable Connection

    User Manual 5 Electrical Connection Step 3 Keep the wiring compartment opened during wiring through the limit lever attached to the cover. - - - - E E n n d d Close the wiring compartment in reverse order after completing wiring operations.
  • Page 44 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 30. Otherwise, please contact SUNGROW for technical scheme.

  • Page 45: Requirements For Ot/Dt Terminal

    User Manual 5 Electrical Connection taken into account. If more than 30 inverters are connected to the grid, contact SUNGROW. The transformer must be protected against overloading and short circuit. • The transformer is an important part of grid-connected PV generation system. The •...

  • Page 46: Aluminium Cable Requirements

    5 Electrical Connection User Manual F F i i g g u u r r e e 5 5 - - 2 2 Dimensions of Terminal O O T T / / D D T T T T e e r r m m i i n n a a l l o o f f P P E E W W i i r r e e Specification: M8 / M10.
  • Page 47 User Manual 5 Electrical Connection Step 4 Remove the protection cover and store the released screws properly. Step 5 Strip the protection layer and insulation layer by specific length, as described in the figure below. Step 6 If wiring of tracking system power cable is required, refer to"5.9 Wiring of Tracking System Power Cable (Optional)"...
  • Page 48 5 Electrical Connection User Manual Step 8 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.

  • Page 49: Dc Cable Connection

    User Manual 5 Electrical Connection - - - - 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. Make sure the PV array is well insulated to ground before connecting it to the inverter.

  • Page 50: Connection Procedure

    SG250HX- 1,500V 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 51 User Manual 5 Electrical Connection Use the MC4 EVO2 PV connecters within the scope of delivery. Damage to the device due to the use of incompatible terminal shall not be covered by the warranty. Step 1 Strip the insulation from each DC cable. Step 2 Assemble the cable ends with the crimping pliers.

  • Page 52: Installing The Pv Connectors

    5 Electrical Connection User Manual Step 5 Check for polarity correctness. 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 53: Energy Storage Cable Connection

    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 54 5 Electrical Connection User Manual Step 2 Strip the protection layer and insulation layer by specific length, as described in the figure below. Step 3 Crimp the OT/DT terminals. Step 4 Secure the wires to corresponding terminals.

  • Page 55: Wiring Of Tracking System Power Cable (Optional)

    User Manual 5 Electrical Connection Step 5 Gently pull the cable backwards to ensure firm connection. - - - - E E n n d d 5.9 Wiring of Tracking System Power Cable (Optional) Step 1 Lead the AC cable into the wiring compartment according to Step 1 to Step 4 described "5.6.4 Connection Procedure".
  • Page 56 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 Install the OT terminal and press it tight. Step 6 Stack the OT terminals on the OT/DT terminal of the AC cables, and fix the cables to corresponding terminals.
  • Page 57 User Manual 5 Electrical Connection Ensure that OT terminals of the power cable are installed on the OT/DT terminals of the AC cable. Otherwise, it will cause over heat or even burn. Step 7 Gently pull the cable backwards to ensure firm connection, and fasten the swivel nut clockwise.

  • Page 58: Rs485 Communication

    5 Electrical Connection User Manual - - - - E E n n d d There are four communication terminals COM1, COM2,COM3 and COM4 on the bottom of the inverter. Select the communication terminal according to onsite conditions. Disconnector (≥800V) and fuse (16A, gM) should be installed between the inverter and the tracking system control cabinet.

  • Page 59: Rs485 Communication System

    User Manual 5 Electrical Connection The inverter is equipped with two groups of RS485 communication interfaces for external communication connection. The port RS485_1 is used to connect Logger, so as to implement data exchange with PC or other monitoring devices. The port RS485_2 is used to connect communication device of the tracking system, so as to implement data exchange with the tracking system.
  • Page 60 5 Electrical Connection User Manual M M u u l l t t i i - - i i n n v v e e r r t t e e r r c c o o m m m m u u n n i i c c a a t t i i o o n n s s y y s s t t e e m m In case of multiple inverters, all the inverters can be connected via RS485 cables in the daisy chain manner.

  • Page 61: Connection Procedure(Terminal Block)

    User Manual 5 Electrical Connection F F i i g g u u r r e e 5 5 - - 4 4 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 62: Can Commuication

    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 63: Wiring Procedure

    5.12 PLC Communication Connection With a PLC communication module built inside, the inverter can communicate with the COM100A provided by SUNGROW. For specific wiring method, refer to the COM100A user manual. In case of PLC communication, the AC cable must be a multi-core cable •...

  • Page 64: Dry Contact Function

    5 Electrical Connection User Manual 5.13.1 Dry Contact Function The configuration circuit board is provided with fault output dry contact and emergency stop dry contact, as shown in the figure below. Connection method of the dry contacts is similar to that of the RS485 terminal block. D D O O t t e e r r m m i i n n a a l l ( ( f f a a u u l l t t o o u u t t p p u u t t d d r r y y c c o o n n t t a a c c t t ) ) : : the relay can be set to fault alarm output, and user can configure it to be a normal open contact (COM＆NO) or a normal close contact (COM＆NC).
  • Page 65 User Manual 5 Electrical Connection F F i i g g u u r r e e 5 5 - - 5 5 Normal open contact F F i i g g u u r r e e 5 5 - - 6 6 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 66: Wiring Procedure

    5 Electrical Connection User Manual F F i i g g u u r r e e 5 5 - - 7 7 Local stop contact When wiring DI dry contacts, ensure that the maximum wiring distance meet the requirements in "10.2 Wring Distance of DI Dry Contact".
  • Page 67 User Manual 5 Electrical Connection In case the screws on the cover are missing, you can find spare ones in the scope of delivery. - - - - E E n n d d...

  • Page 68: 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 69: 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 70: Function Overview

    7 iSolarCloud App User Manual 7.3 Function Overview The App provides parameter viewing and setting functions, as shown in the following "- Figure 7-1 App function tree map". F F i i g g u u r r e e 7 7 - - 1 1 App function tree map 7.4 Login 7.4.1 Requirements The following items should meet requirements:...
  • Page 71 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 72: Home Page

    7 iSolarCloud App User Manual F F i i g g u u r r e e 7 7 - - 4 4 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 73 User Manual 7 iSolarCloud App 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 N N o o .

  • Page 74: Running Information

    7 iSolarCloud App User Manual Table 7-2 Description of inverter 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 After being energized, inverter tracks the PV arrays’...
  • Page 75 User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 6 6 Running Information The run information includes the PV information, inverter information, input and output information. 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...

  • Page 76: 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 Insulation resistance value of the input side to...

  • Page 77: Fault Alarm Records

    User Manual 7 iSolarCloud App F F i i g g u u r r e e 7 7 - - 7 7 History record On "history record" screen, users can check the alarm records, power yield records and event records. 7.7.1 Fault Alarm Records Tap "...

  • Page 78: Power Yields Records

    7 iSolarCloud App User Manual 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 79: Event Records

    User Manual 7 iSolarCloud App 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 80: Parameter Setting

    7 iSolarCloud App User Manual 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 81 User Manual 7 iSolarCloud App 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 82 7 iSolarCloud App User Manual 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 83 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 84 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 85 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 86 7 iSolarCloud App User Manual 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 87: 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 88 7 iSolarCloud App User Manual 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 89: 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 90: Disposal Of The Inverter

    8 System Decommissioning User Manual - - - - E E n n d d 8.3 Disposal of the Inverter Users take the responsibility for the disposal of the inverter. Some parts and devices of the inverter, such as the capacitors, may cause environmental pollution.

  • Page 91: 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 92 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 93 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 94 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 95 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 96 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 97 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 98 2. Check if the xth DC fuse is damaged. If so, replace the fuse. 3.If the fault is not caused by the foregoing reasons and still exists, contact SUNGROW. *The code 078 to code 081 are corresponding to PV 1 to PV 4 respectively.
  • Page 99 Restart the inverter or clear the fault through Protection self-check the App. failure on grid side If the fault still exists, contact SUNGROW. 1. Check whether the AC cable is correctly connected. 2. Check whether the insulation between Grounding cable fault the ground cable and the live wire is normal.
  • Page 100 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 101: 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 102: Routine Maintenance

    9 Troubleshooting and Maintenance User Manual 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 103 User Manual 9 Troubleshooting and Maintenance 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 104 9 Troubleshooting and Maintenance User Manual Step 4 Pull out the fan module, clean the fans with soft brush or vacuum cleaner, and replace them when necessary. Step 5 Follow the steps above to remove the fan on the other side of the inverter. Step 6 Reinstall the fan back to the inverter in reverse order and restart the inverter.

  • Page 105: Appendix

    10 Appendix 10.1 Technical Data S S G G 2 2 5 5 0 0 H H X X - - U U S S 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 106 10 Appendix User Manual S S G G 2 2 5 5 0 0 H H X X - - U U S S P P a a r r a a m m e e t t e e r r s s Max.
  • Page 107 User Manual 10 Appendix 10.2 Wring Distance of DI Dry Contact The maximum wiring distance of DC dry contact must meet the requirements in the table below. The wiring distance L is the total length of all DI signal cables. refers to the cable length between the DI dry contact terminal of the k inverter and the corresponding terminal of the (k-1)
  • Page 108 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 guarantee: The free warranty period for the whole machine/components has expired.
  • Page 109 • For faulty products in any of above cases, if the customer requests maintenance, paid maintenance service may be provided based on the judgment of SUNGROW. 10.4 Contact Information Should you have any question about this product, please contact us.
  • Page 110 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 111 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.

Table of Contents