Sungrow SG110CX-P2 Скачать руководство пользователя

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About This Manual

The manual mainly contains the product information, as well as guidelines for installation,

operation, and maintenance. The manual does not include complete information about the

photovoltaic (PV) system. Readers can get additional information at

www. sungrowpower.

com

or on the webpage of the respective component manufacturer.

Validity

This manual is valid for the following model of low-power grid-connected PV string inverters:

•

SG125CX-P2

•

SG110CX-P2

It will be referred to as "inverter" hereinafter unless otherwise specified.

Target Group

This manual is intended for professional technicians who are responsible for installation, op-

eration, and maintenance of inverters, and users who need to check inverter parameters.

The inverter must only be installed by professional technicians. The professional technician

is required to meet the following requirements:

•

Know electronic, electrical wiring and mechanical expertise, and be familiar with electri-
cal and mechanical schematics.

•

Have received professional training related to the installation and commissioning of elec-
trical equipment.

•

Be able to quickly respond to hazards or emergencies that occur during installation and
commissioning.

•

Be familiar with local standards and relevant safety regulations of electrical systems.

•

Read this manual thoroughly and understand the safety instructions related to
operations.

How to Use 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.

Contents of this manual may be periodically updated or revised, and the actual product pur-

chased shall prevail. Users can obtain the latest manual from

support.sungrowpower.com

or sales channels.

Symbols

This manual contains important safety instructions, which are highlighted with the following

symbols, to ensure personal and property safety during usage, or to help optimize the prod-

uct performance in an efficient way.

Содержание SG110CX-P2

Страница 1: ...SG125CX P2 SG110CX P2PV Grid Connected InverterUser ManualSG125_110CX P2 UEN Ver13 202206 User Manual PV Grid Connected Inverter SG125CX P2 SG110CX P2 SG125_110CX P2 UEN Ver13 202206...

Страница 2: ......

Страница 3: ...anual are owned by SUNGROW All other trademarks or registered trademarks mentioned in this manual are owned by their respective owners Software Licenses It is prohibited to use data contained in firmw...

Страница 4: ...tri cal and mechanical schematics Have received professional training related to the installation and commissioning of elec trical equipment Be able to quickly respond to hazards or emergencies that o...

Страница 5: ...te risk potential hazards that if not avoided may lead to death or serious injury Indicates low risk potential hazards that if not avoided may lead to minor or mod erate injury Indicates potential ris...

Страница 6: ......

Страница 7: ...oduct 9 2 4 LED Indicator 10 2 5 Circuit Diagram 11 2 6 Function Description 11 3 Unpacking and Storage 14 3 1 Unpacking and Inspection 14 3 2 Inverter Storage 14 4 Mechanical Mounting 16 4 1 Safety d...

Страница 8: ...49 5 7 1 PV Input Configuration 50 5 7 2 Assembling the PV Connectors 51 5 7 3 Installing the PV Connector 53 5 8 Wiring of Tracking System Power Cable optional 53 5 9 Wireless Communication Module Co...

Страница 9: ...er Regulation Parameters 87 7 8 4 Communication Parameters 93 7 8 5 Firmware Update 93 7 8 6 Password Changing 94 8 System Decommissioning 96 8 1 Disconnecting the Inverter 96 8 2 Dismantling the Inve...

Страница 10: ......

Страница 11: ...or any safety in struction in this manual When installing operating and maintaining the product comply with local laws and regulations The safety precautions in this manual are only supplements to lo...

Страница 12: ...Connection Safety Before electrical connections please make sure that the inverter is not damaged otherwise it may cause danger Before electrical connections please make sure that the inverter switch...

Страница 13: ...n the PV generation system must be firmly attached properly insulated and adequately dimensioned Check the positive and negative polarity of the PV strings and connect the PV con nectors to correspond...

Страница 14: ...k the inverter status If the inverter indicator is off please wait until night to disconnect the DC switch If the inverter indicator is on directly disconnect the DC switch After the inverter is power...

Страница 15: ...l If necessary contact your distributor first If the problem persists contact SUNGROW Otherwise the losses caused is not covered by the warranty 1 6 Disposal Safety Please scrap the product in accorda...

Страница 16: ...The inverter must not be connected to a PV string that requires positive or negative grounding Do not connect any local load between the inverter and the AC circuit breaker The inverter applies only t...

Страница 17: ...verter is applied to an ITsystem before enabling the PID recovery function 2 2 Product Introduction Model Description The model description is as follows Take SG125CX P2 as an example User Manual 2 Pr...

Страница 18: ...er cable for tracking system 3 Additional ground ing terminals 2 use at least one of them to ground the inverter 4 Bottom handles 2 used to move the inverter 5 Mounting ears 4 used to hang the inverte...

Страница 19: ...the inverter together with household waste T V mark of conformity CE mark of conformity EU EEA Importer Regulatory compliance mark CGC SOLAR mark of conformity UKCA mark of conformity Disconnect the i...

Страница 20: ...escription of the LED indicator LED color State Definition Blue On The device is connected to the grid and operating normally Fast blink Period 0 2s The Bluetooth communication is connected and there...

Страница 21: ...input to ensure the maximum power from the PV array at dif ferent PV input conditions The inverter circuit converts the DC power into grid compliant AC power and feeds it into the grid The AC filter f...

Страница 22: ...rmation or set inverter parameters such as running parameter and protection parameter through the iSolarCloud It is recommended to use the communication module from SUNGROW Using a device from other c...

Страница 23: ...nabled it only works at night PID recovery function and reactive power generation at night cannot be enabled at the same time After the PID recovery function is enabled the voltage of the PV string to...

Страница 24: ...appearance and structural parts of the device are damaged and check whether the packing list is consistent with the actual ordered product If there are problems with the above inspection items do not...

Страница 25: ...ceptible to rodents and insects Carry out periodic inspections Inspection shall be conducted at least once every six months If any insect or rodent bites are found replace the packaging materials in t...

Страница 26: ...g may cause personal injury When moving the inverter be aware of its weight and keep the balance to pre vent it from tilting or falling Wear proper protective equipment before performing operations on...

Страница 27: ...ty terrain and forest coverage Inverters free from direct sunlight direct rain and snow have longer service life Consider sheltered places as the installation location The inverter should be well vent...

Страница 28: ...cessively 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...

Страница 29: ...que re quirements in this manual to ensure that they are tight and sealed 4 2 4 Clearance Requirements Spacing for installing an inverter Reserve enough clearance around the inverter to ensure suffici...

Страница 30: ...ipation channel The baffle plate should be placed horizontally between two inverters and should not block the air outlet of inverters 4 3 Installation Tools Installation tools include but are not limi...

Страница 31: ...el Rubber mallet Socket wrench set M4 M8 M12 Wrench 16 mm 33 mm Wrist strap Wire cutter Wire stripper Hydraulic plier Heat gun EVO2 terminal crimping pliers 4 6mm2 EVO2 terminal wrench Multimeter 1100...

Страница 32: ...ing to its weight and installation personnel should wear protective equipment such as anti impact shoes and gloves Attention must be paid to the center of gravity of the inverter to avoid tilting dur...

Страница 33: ...nch Opening 16 mm Spare parts Item Quantity Specification Source Grub screw 2 M4 10 Delivery scope Bolt assembly 4 M10 Delivery scope step 1 Assemble the mounting bracket by using the connecting bar s...

Страница 34: ...aded 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 M4 Marker Level Hammer drill...

Страница 35: ...sembled 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 Fas...

Страница 36: ...parts Item Quantity Specification Source Grub screw 2 M4 10 Delivery scope Bolt assembly 4 M10 Delivery scope Nut assembly 4 M10 Self prepared U shaped steel 2 Self prepared Clamp 3 Determined by colu...

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

Страница 38: ...ewdriver electric screw driver M6 Spare parts Item Quantity Specification Source Grub screw 2 M6 65 Delivery scope step 1 Take out the inverter from the packing case step 2 Hang the inverter to the mo...

Страница 39: ...29 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 User Manual 4 Mechanical Mounting...

Страница 40: ...amaged and all cables are voltage free before performing electrical work Do not close the AC circuit breaker until the electrical connection is complete Damage to the product caused by incorrect wirin...

Страница 41: ...atter or moisture from entering and affecting the long term normal operation of the inverter Comply with the safety instructions related to PV strings and the regulations re lated to the utility grid...

Страница 42: ...ed may differ Item Terminal Mark Note A PV terminals PV connector B DC Switch DC SWITCH Used to switch on and off the DC input C Communica tion terminal COM3 For communication module connection D AC w...

Страница 43: ...he electrical connection should be realized as follows A PV string B Inverter C Tracking Control Box D Grid E Monitoring device F AC circuit breaker table 5 1 Cable Requirements No Cable Type Specific...

Страница 44: ...3 N wire 70 120 PE wire refer to table 5 2 PE Wire Requirements Four single core outdoor aluminum cables 1 2 Outdoor PE cable 14 32 L1 L2 L3 N wire 120 240 PE wire refer to table 5 2 PE Wire Requireme...

Страница 45: ...PE Wire Cross Section Note S 2 S Phase wire cross section The specifications are valid only when the phase wire and PE wire use the same material If otherwise ensure that the cross section of the PE...

Страница 46: ...sure that the copper bar is not in direct contact with the aluminum wire Other wise electrochemical corrosion may occur impairing the reliability of electrical connection 5 5 External Protective Groun...

Страница 47: ...ll not be held liable for the possible consequences 5 5 1 External Protective Grounding Requirements All non current carrying metal parts and device enclosures in the PV power system should be grounde...

Страница 48: ...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 wi...

Страница 49: ...al power grid voltage A transformer with a tap changer on the HV side is recommended in order to keep con sistent with the grid voltage The voltage drop of system cable is no more than 3 The DC compon...

Страница 50: ...2 Requirements for OT DT Terminal OT DT terminals not included in the delivery scope are required for fixing AC cables to the terminal block Purchase the OT DT terminals according to the following re...

Страница 51: ...ws on the front cover are captive screws When the front cover is opened the screws remain on it step 3 Loosen screws on the bottom sealing plate using the supplied hexagon socket wrench and remove the...

Страница 52: ...42 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 5 Electrical Connection User Manual...

Страница 53: ...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...

Страница 54: ...ction 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 sta...

Страница 55: ...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 scr...

Страница 56: ...he 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...

Страница 57: ...rimped 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 m...

Страница 58: ...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 soc...

Страница 59: ...7 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 User Manual 5 Electrical Co...

Страница 60: ...switch to OFF and remove the DC connector to adjust the polarity of the strings when the string current is lower than 0 5 A The following requirements about PV string connection must be met Otherwise...

Страница 61: ...ee before performing electrical operations Do not connect the AC circuit breaker before finishing electrical connection SUNGROW provides corresponding PV connectors in the scope of delivery for quick...

Страница 62: ...he insulator until it snaps into place Gently pull the cable backward to ensure firm connection step 4 Tighten the cable gland and the insulator step 5 Check for polarity correctness If the PV polarit...

Страница 63: ...1 100 V step 3 Connect the PV connectors to corresponding terminals until there is an audible click step 4 Follow the foregoing steps to connect PV connectors of other PV strings step 5 Seal any unus...

Страница 64: ...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 5 E...

Страница 65: ...needed between the inverter and tracking system control box for protection The length of the cable between the internal connection terminals of the inverter and the fuse is no more than 2 5m 5 9 Wire...

Страница 66: ...r details see the quick guide for the WiNet S module Scan the following QR code for the quick guide 5 10 1 Ethernet Communication step 1 Optional Strip the insulation layer of the communication cable...

Страница 67: ...ut 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 audibl...

Страница 68: ...aterproof lid from the COM1 terminal step 2 Install the module Slightly shake it by hand to determine whether it is installed firmly as shown below step 3 Refer to the guide delivered with the module...

Страница 69: ...tion 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...

Страница 70: ...nect LED indicators or other devices to indicate whether the inverter is in the faulty state The inverter can provide export control but will require the use of a external smart meter The export contr...

Страница 71: ...al B3 RS485B differential signal RJ45 and terminal block are two types of RS485_1 interface with same functions and different wiring methods Choose one of the interfaces for wiring 5 13 2 RS485 Commun...

Страница 72: ...iple 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 manua...

Страница 73: ...ep 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 c 6 12 a b 12 18 b step 5 Connect cables to the terminal socket ste...

Страница 74: ...unication junction box referring to Remove the Communication Junction Box step 2 Unscrew the swivel nut of the junction box and select the sealing ring according to the cable diameter Lead the cable t...

Страница 75: ...e connected to the communication circuit board skip the subsequent steps and continue wiring Otherwise perform as follows step 6 Install the communication junction box referring to Install the Communi...

Страница 76: ...ntact when a fault occurs When alarm occurs signal status change will not be triggered Use LED indicators or other equipment to indicate whether the inverter is in the faulty state The following Figur...

Страница 77: ...power over 30kW an external NS Protection Relay is connected to inverters that are connected to each other with NS Protection terminals When the grid runs abnormally the status of the relay s dry con...

Страница 78: ...apter 5 13 3 Connection Procedure Ter minal Block to implement fault output emergency shutdown and NS protection For NS protection including passive valid enable the function on iSolarCloud refer to 7...

Страница 79: ...ntact 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 communic...

Страница 80: ...th a crimping tool Pin Assignment for inverters capable of both charging and discharging 1 DRM 1 5 2 DRM 2 6 3 DRM 3 7 4 DRM 4 8 5 RefGen 6 Com DRM0 7 V 8 V step 4 Insert the RJ45 connector to the RJ4...

Страница 81: ...71 End User Manual 5 Electrical Connection...

Страница 82: ...e items mentioned above meet the requirements proceed as follows to start up the inverter for the first time step 1 Rotate one DC switch of the inverter to the ON position When the indicator blinks bl...

Страница 83: ...73 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 User Manual 6 Commissioning...

Страница 84: ...ntenance on the inverter This manual describes only how to achieve near end maintenance via the Bluetooth connection For remote maintenance through the Eye WiFi or WiNet S refer to the related manuals...

Страница 85: ...he App to enter the login page tap Local Access at the bottom of the page to go to the next page step 2 Establish the Bluetooth connection by either of the two following ways If the LED indicator flas...

Страница 86: ...76 figure 7 1 Bluetooth Connection step 3 Enter the identity verification screen after the Bluetooth connection is established 7 iSolarCloud App User Manual...

Страница 87: ...vide the required information contact SUNGROW step 4 If the inverter is not initialized you will enter the quick setting screen of initializing protection parameter figure 7 3 Initialization Protectio...

Страница 88: ...ZS 4777 2 2020 Australia C ENERGEX Ergon Energy STNW1170 single phase 10 kVA three phase 30 kVA STNW1174 30 kVA PN 1500 kVA Endeavour Energy MDI 0043 Ausgrid NS194 Jemena 10kVA per phase or 30 kVA per...

Страница 89: ...ect from Australia A B C Please con tact your electricity grid operator for which region to use step 6 After finishing the settings tap TUNR ON DEVICE at the upper right corner and the device will be...

Страница 90: ...splays the PV power generation power feed in power etc The line with an arrow indicates energy flow between connected devices and the arrow pointing indicates energy flow direction 5 Power generation...

Страница 91: ...cording to the scheduling instructions received from the monitoring background Fault If a fault occurs the inverter will automatically stop operation and dis connect the AC relay The fault information...

Страница 92: ...e run information includes the PV information inverter information input information and output information 7 7 Records Tap Records on the navigation bar to enter the screen showing event records as s...

Страница 93: ...00 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 figure 7 9 Detailed Fault Alarm Information Yield Record Tap Y...

Страница 94: ...percentage of present power to rated power Daily energy histogram Shows the power output every day in the present month Monthly energy histogram Shows the power output every month in a year Annual en...

Страница 95: ...he boot shutdown instruction to the inverter For Australia and New Zealand when the DRM state is DRM0 the Boot option will be prohibited Date Setting Time Setting The correct system time is very impor...

Страница 96: ...ult Clear PID alarm If ISO impedance abnormality or PID function exception is de tected during running of the PID function the inverter reports a PID false alarm and reminds the user to take correspon...

Страница 97: ...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 Regulati...

Страница 98: ...power soft start time after fault Time that the soft start takes to raise the power from 0 to 100 rated power 1s 1200s Active power gradient control Switch for enabling disabling the active power rat...

Страница 99: ...percentage 0 110 Shutdown when active power limit to 0 Switch used to determine whether the inverter is in stop state when the limited power reaches 0 Enable Disable 100 Scheduling to achieve active...

Страница 100: ...ion during reactive power Enable Disable Closed loop control reactive power regulation Switch for closed loop control during reactive power Enable Disable Reactive power regu lation mode Reactive powe...

Страница 101: ...The setting range of the reactive power ratio is 0 100 or 0 100 corresponding to the ranges of inductive and capacitive reactive power regulation respectively Q P Mode The PF of the inverter output v...

Страница 102: ...rameter Explanation Range Reactive response Switch for enabling disabling reactive response Enable Disable Reactive response time Completion time of reactive response 0 1s 600 0s Q U curve Select corr...

Страница 103: ...e C is reserved and consistent with Curve A currently figure 7 20 Q U Curve 7 8 4 Communication Parameters Serial Port Parameters Tap Settings Communication Parameters Serial Port Parameters to enter...

Страница 104: ...p in the upper right corner of the screen to view the downloaded firmware upgrade package step 6 Login the App via local access mode Refer to 7 3 Login step 7 Tap More on the App home screen and then...

Страница 105: ...95 figure 7 22 Change Password The password shall consisit of 8 20 digits including letters and numbers User Manual 7 iSolarCloud App...

Страница 106: ...he capacitors inside the inverter completely discharge step 4 Ensure that the DC cable is current free via a current clamp End 8 2 Dismantling the Inverter Risk of burn injuries and electric shock Aft...

Страница 107: ...conservation End 8 3 Disposal of the Inverter Users take the responsibility for the disposal of the inverter Please scrap the inverter in accordance with relevant local regulations and stand ards to a...

Страница 108: ...tual grid voltage and contact the local electric power company for solutions if the grid voltage is higher than the set value 2 Check whether the protection parameters are appropriately set via the Ap...

Страница 109: ...ted to the correct terminal whether the live wire and the N wire are correctly in place 4 Check whether the AC circuit breaker is connected 5 Contact Sungrow Customer Service if the pre ceding causes...

Страница 110: ...s of reverse polarity If so disconnect the DC switch and adjust the polarity when the string current drops below 0 5 A 2 Contact Sungrow Customer Service if the pre ceding causes are ruled out and the...

Страница 111: ...to code 595 are corresponding to string 17 to string 32 respectively 37 Excessively High Ambient Temperature Generally the inverter will resume operation when the internal or module temperature retur...

Страница 112: ...nals to ensure a reli able connection 5 Contact Sungrow Customer Service if the pre ceding causes are ruled out and the fault persists 106 Grounding Cable Fault 1 Check whether the AC cable is correct...

Страница 113: ...nication cable of the meter 3 Contact Sungrow Customer Service if the pre ceding causes are ruled out and the alarm persists 323 Grid Confrontation 1 Check whether the output port is connected to actu...

Страница 114: ...233 432 434 500 513 515 518 635 638 900 901 910 911 996 System Alarm 1 The inverter can continue running 2 Check whether the related wiring and terminal are abnormal check whether there are any for e...

Страница 115: ...re bat teries Close the AC and DC switches in turn 15 minutes later and restart the system 2 If the fault persists please contact Sungrow Power Customer Service 1548 1579 String Current Reflux 1 Check...

Страница 116: ...ngrow Customer Service 9 2 Maintenance 9 2 1 Maintenance Notices Risk of inverter damage or personal injury due to incorrect service Be sure to use special insulation tools when perform high voltage o...

Страница 117: ...osses caused is not covered by the warranty Touching the PCB or other static sensitive components may cause damage to the device Do not touch the circuit board unnecessarily Observe the regulations to...

Страница 118: ...nance Power off the inverter and disconnect it from all power supplies before main taining fans After the inverter is powered off for 10 minutes measure the voltage and cur rent with professional inst...

Страница 119: ...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 User Manual 9 Troubleshooting and M...

Страница 120: ...110 step 5 Pull out the fans Clean them with a soft brush or vacuum cleaner and replace them when necessary End 9 Troubleshooting and Maintenance User Manual...

Страница 121: ...P voltage range 180 1000 V No of independent MPP inputs 12 No of PV strings per MPPT 2 Max PV input current 360 A 30 A 12 Max DC Short cir cuit current 480 A 40 A 12 Max current for DC connector 20A O...

Страница 122: ...Feed in phases connection phases 3 3 N PE Efficiency Max efficiency European efficiency 98 5 98 3 98 6 98 3 Protection Grid monitoring Yes DC reverse polar ity protection Yes AC short circuit protect...

Страница 123: ...luetooth APP Communication RS485 Optional WLAN Ethernet DC connection type Evo2 Max 6 mm AC connection type OT DT terminal Max 240 mm Grid Support Q at night function LVRT HVRT active reactive power c...

Страница 124: ...85 959 12 1086 879 13 1002 812 14 931 754 15 869 703 16 814 660 17 766 621 18 724 586 19 686 555 20 652 528 21 620 502 22 592 480 23 567 459 24 543 440 25 521 422 In case the specification of the cabl...

Страница 125: ...rectly installed refitted or used The device operates in harsh conditions beyond those described in this manual The fault or damage is caused by installation repairs modification or disassembly per fo...

Страница 126: ...www sungrowpower com Sungrow Power Supply Co Ltd...

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