ROTOSOL INVERT RIS K Series User Manual
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ROTOSOL INVERT RIS K Series User Manual

On-grid pv inverter
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On-Grid PV Inverter
Residential Inverter :RISxK-(x=1,2,3,4,5,6,8)
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Summary of Contents for ROTOSOL INVERT RIS K Series

  • Page 1 On-Grid PV Inverter Residential Inverter :RISxK-(x=1,2,3,4,5,6,8)
  • Page 2 As a customer-oriented company, Rotosol is always trying to improve product and enhance customer satisfaction. High quality with customer satisfaction is the Goal of Rotosol , not just in product quality control, but also in quality of service and support. Rotosol is able to help customers reduce energy...

  • Page 3: Table Of Contents

    CONTENTS 1. About This manual ............................4 1.1Scope of Validity..........................4 1.2 Target Group............................4 1.3Additional Information........................4 2Safety Instructions ..............................4 2.1 Safety Precautions..........................4 2.2 Explanations of Symbols........................6 3 Unpacking ................................7 3.1 Assembly Parts..........................7 3.2 Identifying the Inverter........................8 4 Mounting ................................

  • Page 4: About This Manual

    1. About This manual 1.1 Scope of Validity This manual describes the installation, commissioning, operation and maintenance of the following on-grid PV inverters produced by Rotosol: Residential Series(Single MPPT Tracking) RIS1K RIS2K Residential Series(Double MPPT Tracking) RIS3K RIS4K RIS5K RIS6K RIS8K Please keep this manual all time available in case of emergency.
  • Page 5 Please ensure that the used device and any relevant accessories are disposed of in accordance with applicable regulations. 8. Packed with damping EPE and carton, Rotosol inverter should be placed upwards and handled with care in delivery. Pay attention to waterproof.

  • Page 6: Explanations Of Symbols

    2.2 Explanations of Symbols...

  • Page 7: Unpacking

    3 Unpacking 3.1 Assembly Parts Please check the delivery for completeness and any visible external damage. Contact your dealer at once if anything is damaged or missing. RISxK(x=1,2,3,4,5,6,8) assembly parts are as listed below: Applies to RISxK (x=3,4,5,6,8) 1set applies to RISxK (x=1,2) 2 sets applies to RISxK (x=3,4,5,6,8)

  • Page 8: Identifying The Inverter

    3.2 Identifying the Inverter You can identify the Inverter by the type label. Information such as serial number (Serial No.) and model name of the Inverter, as well as the device's technical parameters are specified on the type label. The type label is on the right side of the enclosure. 4 Mounting 4.1 Safety DANGER!

  • Page 9: Selecting The Appropriate Mounting Location

    4.2 Selecting the Appropriate Mounting Location Consider the following points when selecting where to install: The mounting method and location must be suitable for the inverter's weight and dimensions.   The inverter must be installed in the solid walls ,such as brick walls or concrete walls in case of vibration noise or inverter falling off.

  • Page 10: Mounting The Inverter With Wall Mounting Bracket

    4.3 Mounting the Inverter with Wall Mounting Bracket Use the wall mounting bracket mark the drilling position and drill the holes for the screws. 3. Hang the inverter to the mounting bracket and ensure the slot is fitted on the bracket.

  • Page 11: Electrical Connection

    Check to ensure the inverter is correctly seated. Make sure to lock it with the security screws. (See the figure below.) Electrical Connection Notes: 1. Electrical installation & maintenance shall be conducted by licensed electrician and shall comply with local Wiring Rules. 2.

  • Page 12: Overview Of The Connection Area

    5.1 Overview of the Connection Area The following figures show the assignment of the individual connection areas on the bottom of the inverter. Residential Series (Single MPPT Tracker): RISxK-(x=1,2) Object Description DC connectors (+) for connecting the PV strings DC connectors (-) for connecting the PV strings Junction box for RS485 connection and AC connection AC connection DC Switch(optional)
  • Page 13 Small Commercial Series(Double MPPT Trackers): RISxK(x=5,6,8) Object Description DC connectors ( + ) for connecting the PV strings DC connectors ( - ) for connecting the PV strings Junction box for RS485 connection and AC connection Waterproof Junction Box, AC connection DC Switch...

  • Page 14: Connection To The Public Grid (Ac)

    5.2 Connection to the Public Grid (AC) 5.2.1 Conditions for Connection CAUTION! Unit Disconnection From Load Disconnect the circuit breakers and switches of inverters AC and DC sides. 5.2.2 Residential(Single-phase) Connection to Public Grid (AC) Measure the grid voltage to make sure within the permissible range. Disconnect the circuit breaker between the inverter and the grid.
  • Page 15 5.2.3 Commercial (Three-phase) Connection to Public Grid (AC) Measure the grid voltage to make sure within the permissible range. Disconnect the circuit breaker between the inverter and the grid. Connecting area at the bottom of the inverter. Disconnect the DC and AC breaker, DC switch in the"OFF"state.
  • Page 16 5.Insert black wire in to “N” block shot after the 6.Insert all wires into line bar according to the screws are loosened,use screwdriver to tighten the sketch map,tighten them. screw.

  • Page 17: Connection To The Pv Generator (Dc)

    5.3 Connection to the PV Generator (DC) CAUTION! Unit Disconnection From Load Disconnect circuit breakers and switches on both AC and DC sides 5.3.1 Conditions for the DC Connection The connected PV modules must meet following requirements -Same type -Same model -Identical alignment - Identical tilt The following limit values at the DC input of the inverter must not be exceeded (connecting to a higher...

  • Page 18: Assembling The Dc Plug Connector

    5.3.2 Assembling the DC Plug Connector In order to connect to the inverter, all connection cables of the PV modules must be equipped with the DC plug connectors provided. You will find the necessary DC plug connector for DC connection in the package. To assemble the DC plug connectors, proceed as detailed below.
  • Page 19 ♦ Insert the DC wire to metal connecting tube. Make sure all line heads are in the connecting tube as picture blow. ♦ Use crimping pliers to fasten the metal connecting tube and copper wire. Make sure the harness will not fall off, see picture below.
  • Page 20 ♦ Insert the assembled cable into male/female connector. A "chick" sound can be heard when connecting correctly. Then tighten the cap. Refer to the picture below.
  • Page 21 5.3.3 Connecting the PV Generator (DC) DANGER! Danger to life due to high voltage in the inverter. • Before connecting the PV generator, ensure that the AC&DC circuit breaker is switched off. Notes: 1. Make sure that you have disconnected circuit breakers and switches on both DC and AC sides. 2.
  • Page 22 Double MPPT trackers model: RITxK(x=3,5,6,8,10). The device is equipped with 2 groups of DC(DC-A and DC-B) of connecting sockets for DC input, and each group contains a pair of connecting sockets (DC+ and DC-). Group A and B are respectively connected to two DC arrays as picture below. Connect PV+ and PV- in PV Array 1 to the positive and negative poles of DC-A and those of PV2 to those of DC-...

  • Page 23: Electrical Connection-Risxk(X=3-8)

    6 Electrical Connection—RISxK(x=3-8) RISxK(x= 3,3.6,4,5,6, 7, 8) Notes: 1. After the inverter has been installed in its fixed position, the electrical connection to the unit can be established. 2. Make sure Max. Open Voltage and short-circuit current of the each PV strings accord with the Spec.
  • Page 24 Item Description DC Circuit breaker Junction box DC Side, waterproof connector DC Side, waterproof connector AC Side, waterproof connector Communication waterproof connector for mounting antenna wireless monitoring module The following limit values at the DC input of the inverter must not be exceeded (connecting to a higher voltage will destroy the device): Type Maximum input voltage [Vd.c]...

  • Page 25: Dc, Ac& Ground Connection

    6.2 DC, AC& Ground connection Measure the voltage at grid side and make sure it is within permissible range(Vac), in the meanwhile, disconnect the circuit breaker between the inverter and grid. 1. Disconnect both DC and AC circuit breakers, DC switch is off. 2.
  • Page 26 Connect wires according to wire connection marks, screw correctly and tightly; Tight junction box with four stainless steel screws. 5. Tighten the gland nut clockwise; yellow-green ground wire crimp supplied terminal, and connected to the ground terminal randomly beneath the left and right sides of machine. DC side has two DC terminal rows (group A and B), each includes a pair of DC connectors (DC + and DC-).

  • Page 28: System Diagram

    7 System Diagram The typical connection diagram for the entire PV system is shown in the following figure.  PV Panel: Provide DC power to inverter Inverters: Converts DC (Direct Current) power from PV panel(s) to AC (Alternating  Current) power. Because Inverter is grid-connected, it controls the current amplitude according to the PV Panel power supply.
  • Page 29 RIS4K RIS5K RIS6K RIS8K SPD: Lightning protection system, refer to the fol owing options: AC side, nominal discharge current 20KA, second grade lightning protection, protection voltage 2.5KV DC side, nominal discharge current 20KA, second grade lightning protection, protection voltage 3.2KV 6.

  • Page 30: Operation

    8 Operation Product Overview...

  • Page 31: Residential Series Operation

    8.1 Residential Series Operation 8.1.1 Residential Series Overview of Controls and Displays There are four function keys on the front panel: UP, DOWN, ESC, ENT.The keypad is used for: Up and Down keys: Scrolling the displayed parameter, or modify the adjustable parameters; Esc and Ent keys: Cancel or Enter.
  • Page 32 8.1.4 Residential Series LCD Display Inverter will start up automatically with enough DC voltage provided by PV array. When starting up (POWER LED is on), it shows "Rotosol" on LCD in front of the inverter. 8.1.4.1 First Boot Setting First turned on power, the inverter will delay 1 second and automatically jump to the reminder interface to set country.
  • Page 33 Country setting completed, system will automatically jump to the reminder interface to set time. Press Ent to time setting interface. Press UP and DOWN to adjust number and press Ent. Set year, month, day, hour, minute and second one by one according to local time. 8.1.4.2 Main Interface When time setting is completed, press Ent to exit and system will enter into the main interface as below.
  • Page 34 AC Output Frequency 8.1.4.3 Query Interface Press Ent on main interface for related information in query interface. Five choosing items on the query interface: Inverter Info, Wifi Info, Error Record, Date Time and Set. Press UP and DOWN to select the query item,press Ent to get in and Esc back to main interface.
  • Page 35 Date Time It shows current date and time. Press Esc back to query interface. Set interface is as follows. Items in set interface are as follows Display Description Date Time Date and time setting Safety Country and standard setting Energy K Coefficient set of power generation correction Freq Range Frequency limit setting...

  • Page 36: Small Commercial Series Operation

    8.2 Small Commercial Series Operation Small Commercial Series Overview of Controls and Displays There are four function keys on the front panel: UP, DOWN, ESC, ENT.The keypad is used for: Scrolling the displayed parameter :Up and Down keys, or modify the adjustable parameters;...
  • Page 37 DC voltage provided by PV array. When starting up (POWER LED is on), it shows "Rotosol" on LCD in front of the inverter.The inverter will delay 1 second and automatically jump to the System Checking interface...
  • Page 38 8.2.4.1 First Boot Setting When first time turned on the power, the inverter will automatically jump to the reminder interface to set country. Press Ent to country and standard setting interface. Press UP and DOWN to show countries. Choose corresponding country and standard and press Ent. Country setting completed, system will automatically jump to the reminder interface to set time.
  • Page 39 8.2.4.3 Query Interface Press Ent on main interface to view related information in query interface. Eight choosing items on the query interface: System Info, Error Record, SET Clear Record, Data & Time SET, RS485 Address, SN Number, GridpowerCtrl. Press UP and DOWN to select the query item,press Ent to get in and Esc back to main interface. BUS+/BUS- Voltage of BUS+/BUS- BUS+/BUS-...
  • Page 40 Display Description Standard Country and standard setting Case Temp Chasis temperature ModleTemp Power module temperature ScreenTemp LCD temperature Rated Power Inverter rated output power PGllrnp The insulation resistance of positive pole in PV1 NGllrnp The insulation resistance of negative pole in PV1 PG2lmp The insulation resistance of positive pole in PV2 NG2lmp...
  • Page 41 Clear Record Clear inverter's Error record and Run records. Passwords are needed for the setting, which only can be operated by after sales personnel to make sure the safety and normal operation of the inverter. Date & Time SET Press Ent to Date and Time setting interface. Press UP and DOWN to adjust number and press ESC go to next step.

  • Page 42: Lcd Back Light Control

    8.3 LCD Back light Control The back light of LCD will automatically turn off after 5 minutes, and LCD will automatically turn off after 10 minutes to electricity-saving mode. Press any key to turn on the LCD. 9 Trouble Shooting In most situations, the inverter requires very little service.
  • Page 43 Current earthing Fault 2.Machine failure 2.Please contact with local dealer if error remains the same after several reset. 1.Disconnect the input/output switch, check the AC-side wiring Bus Fault AC side incorrect wiring and reset the plug to rule out bad contact. Machine failure 2.Please contact with local dealer if error remains the same...
  • Page 44 2.Lightening than 2M& ; 3.Machine failure 2.Please contact with after-sales if error remains the same after several reset. Current DC Offset 1.AC side incorrect 1.Disconnect the input/output switch, check the AC- wiring 2.Electricity grid side wiring and reset the plug to rule out bad abnormal 3.Machine contact.
  • Page 45 EepromErr 1.After PV input voltage is stabilized, the machine will 1.Unstable PV Input automatically restart. voltage 2. Please contact with local dealer if error remains the 2. Machine Failure same after several reset. GFCI.Err 1.PV(+) or PV(-) earthing 1.Check PV(+) and PV(-)ground impedance, make sure impedance is more than 2M Q.
  • Page 46 same after several reset. IntFaultE 1.Electricity grid abnormal 1.After electricity grid returns to normal, the machine will automatically restart. 2.Hardware over current 2.Please contact with local dealer if error remains the fault same after several reset. IntFaultG 1.Electricity grid abnormal 1.After electricity grid returns to normal, the machine will automatically restart.
  • Page 47 at low same after several reset. voltage, Soft start overtime protection. IntProtectG Bus voltage differential Please contact with local dealer if error remains the protection same after several reset. IntProtectH Low Bus voltage Please contact with local dealer if error remains the protection same after several reset.
  • Page 48 protection IsolationErr 1.PV(+) or PV(-) 1.Check PV(+) PV(-) ground earthing impedance, make sure impedance is more 2.Lightening than 2MQ. 3.Machine failure 2.Please contact with after-sales if error remains the same after several reset. PV. Reverse 1.PV polarity reverse 1.Turn off input/output switch,check if pv polarity is protection correct or 2.Machine failure...

  • Page 49: Inverter Inspection And Repair

     Restart: Disconnect input and output switches in order, reconnect them after LCD and indicating lights go off.  If there is no display on the LCD, please check both AC and DC wiring.  If the input DC voltage is higher than start up voltage, the inverter still doesn't work, please call local service.
  • Page 50 a. for single MPPT model, diode position number, D35, D36, D37 and D38; b. for dual MPPT model, diode position number, D3, D4, D5 and D6; c. hold the probe(black) at the position below, and use the other probe(red) to measure the diode’s positive(+) separately as per below picture.
  • Page 51 Relay function test Power the pin of rely with 12Vdc source to see if the rely could work. 10.2.3 Others Fault Report LCD display abnormal Replace the LCD module. 10.2.4 WiFi Cannot Upload data connect inverter’s WIFI with smart-phone, and go to 10.10.100.254 website via smart-phone’s explorer. a.

  • Page 52: Check List Of Visual Inspection

    10.3 Check list of Visual Inspection 10.3.1 wiring connection check a. flat cable and connector well connected; b. connector and socket well connected; c. connection points of DC and AC well connected; d. DC switch pins well connected; e. PV connector inside conductor at right position. 10.3.2 PCB or components check a.
  • Page 55 10.4.2 IGBT / MOSFET a. IGBT b. MOSFET a. switch to the diode position of multimeter, and measure the value between Pin 3 and Pin 2, normal value is 0.3~0.4V. Value close to the zero stands the component is damaged; b.
  • Page 56 10.4.3 Component Position Number Power Diode Position Number Generation Single MPPT Generation Dual-MPPT D9, D13, D30, D31 IGBT/MOSFET Position Number Generation Single MPPT Q2, QA1, QA2, QA3, QB1, QB2, QB3 Generation Dual-MPPT Q2, Q4, QA1, QA2, QA3, QB1, QB2, QB3...

  • Page 57: Mosfet Driver Inspection(For 5Th Generation Models)

    10.5 MOSFET Driver Inspection(for 5th generation models) Remove the control board and control board mounting pad. Power the inverter with 100Vdc source and wait about 15 seconds. Measure the voltage of all of the MOSFET Pin 1 and Pin 3 separately, the normal driver voltage is -5Vdc.
  • Page 58 10.7.3 Select the SET menu by enter key and you will get the display as mention in Fig. 3 and by up- down key select the VOLTAGE RANGE menu as shown in fig 4. Fig.3 Fig.4 10.7.4 Select the VOLTAGE RANGE menu by enter key and enter the password as shown in Fig.5. Fig.

  • Page 59: Contact

    Inverter SN Number   Customer Information The contents of this manual are subject to change without further notice. For Rotosol latest product information, please visit our website www.rotosol.solar Rotosol Solar(Division of Solar – Rotomag motors and controls pvt ltd.) www.rotosol.solar ADD: 2102/3 &...
  • Page 60 3.1 When a failure occurs, the user should check and record from the screen display the error code, DC voltage, AC voltage data or phenomena ect., then contact your local dealer. When the dealer or Rotosol confirm that it is the product quality problem ,the faulty product will be replaced.
  • Page 61 4.Service Contact Customers could contact local dealer or distributor to discuss how to proceed. Please visit www.rotosol.solar for dealer/installer's contact details. Of course, customers may also contact Rotosol f they need help or advice. 5. Force Majeure Force majeure is not artificially unavoidable and insurmountable objective conditions.
  • Page 62 Rotosol Solar(Division of Solar – Rotomag motors and controls pvt ltd.) www.rotosol.solar ADD: 2102/3 & 4 ,Vitthal Udhyognagar Near Anand, Gujarat – 388121 , India Phone : +91-9227110023/24/25 E-MAIL: invert@rotosol.solar Website : www.rotosol.solar Objective of this Manual: The objective of this manual is to educate the user for proper installation and the system to be use...

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