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Growatt New Energy.CO.LTD 

www.ginverter.com 

 

Growatt CP100 

PV Grid-Connected Inverter Installation Manual 

 

 

 

Thank you for choosing the Growatt CP100. Growatt CP100 PV grid-connected inverter products 

have high efficiency, wide MPPT voltage range, advanced DSP control technology, perfect 

protection function enables PV systems more reliable operation, simple to operate, easy to 

maintain. We believe that the product will be more widely used in a variety of industrial, 

commercial and residential areas.   

Summary of Contents for CP100

Page 1: ... Growatt CP100 PV grid connected inverter products have high efficiency wide MPPT voltage range advanced DSP control technology perfect protection function enables PV systems more reliable operation simple to operate easy to maintain We believe that the product will be more widely used in a variety of industrial commercial and residential areas ...

Page 2: ...ponents 12 3 3 2 Layout of internal components 16 3 4 Operation mode 17 3 4 1 Standby mode 17 3 4 2 Grid mode 17 3 4 3 Faulty mode 18 3 4 4 Permanent faulty mode 18 3 5 Protection 19 3 6 Storage 19 3 7 Bottom mounted view 20 3 8 Label 20 3 9 Packaging information 21 4 Products installation 22 4 1 Installation condition requirements 22 4 2 Tools and spare parts required for whole machine installati...

Page 3: ...5 5 Power off steps 42 6 GUI instruction 42 6 1 LCD display screen introduction 42 6 2 LCD operation 43 6 2 1 Initialization 43 6 2 2 Home page 44 6 2 3 ON OFF interface 45 6 2 4 System setting 46 6 2 5 Historical information 47 6 2 6 Operation data 49 6 3 LCD display information schedule 52 6 3 1 General history failure table 52 3 2 Serious fault history 55 6 3 3 Inverter status 56 7 Routine main...

Page 4: ...nnection system and structure principle protection operation mode storage and package size of the Growatt CP100 Installation Inverter installation conditions tools and the inverter mechanical and electrical installation the communication connection and inspection Commissioning Inspection before commissioning and procedure to turn on off inverter GUI Graphic User Interface instruction Information d...

Page 5: ... manual will be periodically updated or revised if necessary However discrepancies cannot be excluded Please refer to the product or download the latest version of this manual on www growatt com 1 4 Symbols explanation In order to ensure the personal and property safety of the user during installation or optimally efficient use of this product symbols are used highlight the information The followi...

Page 6: ...e surface only Protective conductor terminal PE TERMINAL The inverter has to be firmly grounded to ensure the safety of personnel Risk of electric shock Energy storage timed discharge WARNING Electrical shock danger exists in the capacitor the cover shall be moved at least 5 minutes later after all powers are disconnected 2 Safety instructions Inverter installation and service personnel must be tr...

Page 7: ...nnel are qualified for the operation 2 1 Installation Proper installation requires following all the instructions in the user manual involving transportation mounting wiring and commissioning Growatt does not cover warranty for the inverter damage due to failing to use it properly 2 2 Operator Inverter installation and service personnel must be trained and familiar with the general safety requirem...

Page 8: ...tation lifting equipment and personnel must be qualified The inverter should be placed vertically and the inclination cannot be more than 10 degrees It is not allowed to place the inverter upside down or transport in a horizontal position Incorrect lifting and transportation can lead to serious injury property loss and damage to the inverter 2 5 Installation The protection level of the inverter is...

Page 9: ...ch has been disconnected there is still voltage in some components for example capacitors Hence the repair or maintenance operation can only be proceeded at least 5 minutes after the disconnection Maintenance and modification Only personnel with Growatt authorization are qualified for the maintenance and modification And to ensure personal safety use original accessories provided by the manufactur...

Page 10: ... and electromagnetic radiation during operation According to EMC emission and noise level inverter should be used in industrial environments Hence all personnel should not stay long near the inverter 2 8 Important note Item 1 Static electricity can cause damage to the inverter Electrostatic discharge may cause unrecoverable damage to inverter internal components When operating the inverter operato...

Page 11: ...erters always act as key components Grid connected PV system shown as below Figure 3 1 Grid connected PV system No Name A PV module B PV combiner box C Inverter D transformer E utility grid 3 2 Electrical schematic of the inverter Growatt CP100 Growatt CP100 PV grid connected inverter converts DC current generated by PV array into AC current Then the AC current is filtered into sine wave electrici...

Page 12: ... model can be used in grounding demand of PV module just like thin film module But if customer required the system to grounding this inverter can be used directly 3 3 The layout of the main components 3 3 1 External components External main components include LED indicator LCD touch screen and start stop knob emergency stop button the DC side switch and the AC side switch ...

Page 13: ...cripition 1 Power indicator When power supply is normal the indicator displays yellow 2 Inverter malfunction indicator When inverter is faulty the indicator displays red 3 touch Screen LCD Operation information display receive control command and parameters setting 4 start stop knob only control the grid side ...

Page 14: ...normal FAULT The indicator lights when power supply to the inverter is normal Figure 3 3 2 LED status AC DC main switch AC switch is used to connect or disconnect the inverter and utility grid DC switch is used to connect or disconnect the inverter and PV modules If the AC switch is used in the case of load switch and does not control the DC side switch 5 Emergency STOP Shut down the inverter when...

Page 15: ...omponents of inverter Emergency STOP CAUTION The emergency stop button is only used in case of emergency such as serious failure in the grid fire etc Figure 3 3 1 3 Emergency STOP The emergency stop button immediately disconnects the inverter from both grid and PV arrays which ensure the safety of the inverter By pressing the emergency stop button the device will be locked in the off position Only...

Page 16: ...m 16 Figure 3 3 1 4 start stop knob Touch screen It displays the inverter s operating parameters power generation and faulty information record Please refer to Section 6 for details 3 3 2 Layout of internal components The front of the inverter ...

Page 17: ...4 1 Standby mode The standby mode refers to powering up the inverter for the first time since installation but there is not enough power to connect to the grid When there is enough power from the PV array it will transfer to grid mode 3 4 2 Grid mode Process of inverter connecting to the grid 1 PV array connects to the inverter input and the inverter output connects to the utility grid ...

Page 18: ...hod and grid mode is also called MPPT mode CAUTION When the ambient temperature is too high it is normal the inverter reduces the output power However if this frequently happens check the cooling surface of the inverter or place the inverter in better ventilation conditions place If the inverter fan is dirty please clean the fan if there is problem with the inverter internal electrical please seek...

Page 19: ...built in lightning protection module has the DC AC side lightning over voltage protection to avoid inverter from being damaged More protection features please refer to the section 6 3 3 6 Storage If there is a long time before installation or operation the Growatt CP 100 should be stored appropriately The packaging should be restored to its original state Retain the desiccant in the packaging The ...

Page 20: ...and no stacking on top of the crate 3 7 Bottom mounted view Figure 3 7 Bottom mounted view 3 8 Label Inverter label is affixed on the inverter which contains model and specification information Do not attempt to tamper with the label information and the inverter will not be under warranty if the label information is altered vague or disappeared ...

Page 21: ... com 21 Figure 3 8 Label Table 3 8 Label 3 9 Packaging information No Name Unit quantity description 1 inverter main unit pcs 1 Contains cabinet keys 2 user manual pcs 1 3 certificate pcs 1 4 OT terminal pcs 8 Table 3 9 Packaging information ...

Page 22: ... space shall be reserved for the machine to ensure ventilation and cooling We suggest inverter is installed in the distribution room The floor wall clearance Ventilation equipment and precaution should be designed by professional personnel and satisfy the following requirements Foundation requirement Inverter is required to install on even ground with fire retardant material as the surface or chan...

Page 23: ...nverter can be classified into either power cables or data cables In cabling the power cable shall be kept far away from and the cable shall be kept in right angle at cross The cable shall be as short as possible and an appropriate distance shall be kept to the power cable We suggest the DC PV and PV insulation resistance is more than Vmax PV 30mA The power cable and data access shall be placed in...

Page 24: ...r ventilation condition and insufficient air flow The air inlet shall have enough air supplementation Ventilation equipment To ensure safe and reliable operation of the equipment the ambient temperature must be within the permission range 25 C 55 C therefore appropriate ventilation devices must be equipped with to release the heat generated by the equipment We suggest the ventilation rate is more ...

Page 25: ...e to be installed in dry and clean environment Meanwhile water leakage of the house shall be prevented as it may damage the inverter According to EMC requirement and noise level the inverter shall be installed in industrial environment 4 2 Tools and spare parts required for whole machine installation Tools and spare parts required for installation is as follows Hoisting crane forklift or fork lift...

Page 26: ...ality assurance Note 2 In movement tilt violent shake or sudden force upon the inverter shall be prevented such as sudden down of lifting Note 3 Please read carefully the labeled parameters to select an appropriate transportation means and storage place We suggest the user make use of forklift to move the inverter if possible CAUTION Before the inverter is moved to the designated place we suggest ...

Page 27: ...ckaging of the wooden box of the inverter can continue to use Figure 4 3 1 Packaging Inverters whose packages are not demolished can be moved with forklift hoisting crane or crane In moving attention shall be paid to the weight painted on the package to ensure enough load capacity of the devices As the gravity center of the equipment locates at the lower place symmetrical in front and back and lef...

Page 28: ...he machine and the pallet Demolish the front and back cover lids of the pedestal Screw off the hold down nuts at the bottom of the wood pallet Remove the screws and the inverter will depart from the wood pallet The inverter must be installed on the foundation or foundation plate therefore all fastening points wall anchor and bolt must be at their correct positions before installation Mounting dime...

Page 29: ...Growatt New Energy CO LTD www ginverter com 29 Figure 4 3 2 2 Figure 4 3 2 3 CAUTION We must act slowly and gently when transporting the inverter with forklift to avoid violent ...

Page 30: ...ormation may cause serious personnel injury or significant property loss even to death 1 PV array The positive and negative open circuit voltage of the PV array shall not exceed 1000 otherwise the equipment will be in over voltage protection state and cannot work normally The power of inverter PV array can be 115KW 2 Three phase grid Inverter will continuously inspect whether the grid satisfy the ...

Page 31: ...s follows Procedure 1 Cut off the circuit breaker at DC AC sides As shown in Figure 4 4 2 1 move the Grid switch and the PV switch to the state of OFF Model Growatt CP100 Grid Voltage Limit 360V 440V Grid Frequency Limit 45HZ 55HZ Cable Cu Cable Diameter Requirements mm2 Aperture Model Growatt CP100 PV Array PV 70 mm 2 or 120 mm Φ10 30N m PV Array PV 70 mm 2 or 120 mm Φ10 30N m Grid Phase A 95 mm ...

Page 32: ...e 4 4 2 1 AC DC Main Switch Status Schema Procedure 2 Open the front door The unlock schema is shown in Figure 4 4 2 2 Figure 4 4 2 2 open front door of inverter Procedure 3 Raise the detents and then close the doors The schema is shown in Figure 4 4 2 3 ...

Page 33: ... method is as follows Step 1 Disconnect the higher DC side power distribution circuit breaker the DC side wiring uncharged Step 2 Measuring the open circuit voltage of the PV array with a multimeter to ensure within the allowable range Step 3 With a multimeter to confirm the positive and negative Step 4 Stripped end of the cable insulation Step 5 Crimp the copper nose 1 The copper core part of the...

Page 34: ...th a hot hair dryer to heat shrink tubing tightening Step 7 Connect DC cable to the convergence box or the output of the PV array positive 1 Selection and wiring copper nose meets the bolt 2 To be the wiring copper nasal tightening in the AC wiring copper rafts 3 Fastening bolts with a screwdriver or wrench Step 8 DC end to the combiner box or the negative electrode of the photovoltaic array outpu...

Page 35: ...the copper nose 1 The of stripping good thread bare copper conductor part on the wiring copper nose pressure line hole 2 The wiring copper nose pressed Crimping Machine crimping the number should be in the more than two Step 5 Install heat shrink tubing 1 Select cable size is more in line with the heat shrink tubing choose the length of about 5cm 2 Heat shrinkable sleeve over in the Wiring copper ...

Page 36: ... 5 Earthing Inverter must be earthing well for safety Please make sure of the connection between PE in power distribution cabinet and PE copper in the inverter good and make sure the earthing cable more than 50mm2 and the earthing resistance must satisfy the demand of IEC standard ...

Page 37: ... channel at the bottom of the inverter to be all the wiring is completed the connection port must be sealed with dust cotton to prevent dust from entering the inside of the inverter As shown below Caution risk of fire hazard WARNING There is usually no need to connect DC input terminal with earth for Silicon solar cell But for thin film solar cell if one of DC input terminal need to be connected t...

Page 38: ...oped by the Growatt is monitoring in real time the operating status of all inverters as shown in Figure 4 5 1 The RS485 wire should be less than 1000m Figure RS485 Multi machine Communication 4 6 Installation inspection Before the inverter is put into operation it shall be inspected for installation Two working men or more shall inspect to ensure correct installation of all installation according ...

Page 39: ...ting ribbon No tools spare parts conductive dust generated from drilling or other matters left inside the cabinet No condensed humidity or icing inside the cabinet Table 4 6 Installation Inspection List 5 Pilot operation The chapter will introduce the procedure of pilot operation including checking PV array voltage input and output connecting other preparation working 5 1 Relevant requirements Bef...

Page 40: ... of the grid Inspect whether the line voltage and frequency are within the prescribed range and record the value If possible measure the phase THD Total Harmonic Distortion and inspect the curve If distortion is serious the inverter may fail to operate 5 2 3 DC side voltage inspection The DC side shall be connected to the inverter from the Combiner or DC distribution cabinet Ensure correct DC inpu...

Page 41: ...er on conditions both at DC and AC sides are satisfied the inverter will be powered on automatically After the DC input or AC grid fault is demolished the inverter will also be powered on automatically Manual power off In the operation process of the inverter we can power off the machine through the OFF button on the panel At this moment the inverter stops work and stops to transmit the DC energy ...

Page 42: ...at grid side still maintain voltage If operations are need please be sure to cut off the outer power completely and wait for not less than 5 minutes 1 Exercise the OFF button on LCD operation panel 2 Cut off PV SWITCH 3 Cut off GRID SWITCH 4 Cut off the switch of DC distribution cabinet or combiner 5 Cut off the switch of AC distribution cabinet 6 GUI instruction 6 1 LCD display screen introductio...

Page 43: ...mation and set the parameters Inverter communication state station number and system time is displayed at the top of each page of the LCD Each page has five commonly used function keys run data historical information system settings Home at the below of the page The five commonly used keys corresponding sub menu are under the button and it will be marked green after selected 6 2 LCD operation 6 2 ...

Page 44: ...e Figure 6 2 1 6 2 2 Home page Clicking Home button in any interface will enter into the Home page The operating status of the inverter output power safety standard model input and output voltage current information can be viewed in the page Pressing the following key can switch to other pages ...

Page 45: ...6 2 2 6 2 3 ON OFF interface Clicking ON OFF button in any interface will enter into this interface There are ON and OFF button which is used to turn on and turn off the inverter After selecting a sub window will pop up for confirmation Yes No Figure 6 2 3 ...

Page 46: ...uage settings time settings inverter information maintenance Pressing the left button can enter into the corresponding submenu interface The default one is language setting interface Figure 6 2 4 1 Time settings system time setting if the date and time displayed on LCD is not inconsistent with the actual date and time they can be modified here Figure 6 2 4 2 ...

Page 47: ...e personnel who are fully familiar with the structure and working principle of the PV grid system only in order to avoid damage to personal safety and the inverter 6 2 5 Historical information Clicking historical information can enter into the sub menu of the historical information The submenu includes The inverter ON and OFF time record history of failure serious historical failure The inverter O...

Page 48: ... the common history of failure details can be found by flipping the page up and down The common fault information see table 6 3 1 Figure 6 2 5 2 History of serious failure a total of 20 items of historical serious failure information can be found in details Please refer to table 6 3 2 ...

Page 49: ...on the back of the LCD display and the real time operation data will be stored in the USB Disk in every minute Inverter will create a CSV format file every month in the USB disk for data storage Real time data current PV power generation parameters and real time data including the grid voltage the grid frequency the grid current DC input voltage DC input current the internal temperature of the cha...

Page 50: ...inverter com 50 Figure 6 2 6 1 Power curve daily yield displayed in bar chart updated every 12 minutes Energy yield Clicking this button can enter into submenu Monthly yield daily yield displayed in bar chart updated every 12 minutes ...

Page 51: ...Growatt New Energy CO LTD www ginverter com 51 Yearly yield monthly yield displayed in bar chart updated every 12 minutes 20 years yield yearly yield displayed in bar chart updated every 12 minutes ...

Page 52: ...D display information schedule 6 3 1 General history failure table No information English 1 DC_Inverse_Failure 2 IGBT_Failure 3 EEPROM_Write_Failure 4 EEPROM_Read_Failure 5 AC_MainContactor_Failure 6 AC_SlaveContactor_Failure 7 GFDI_Failure 8 GFCI_Failure 9 DC1_VoltHigh_Fault 10 DC2_VoltHigh_Fault ...

Page 53: ...NT_DC2_OverCurr_Fault 21 IGBT_Module1_Fault 22 IGBT_Module2_Fault 23 L1_OCP_Fault 24 L2_OCP_Fault 25 INT_L1_OverCurr_Fault 26 INT_L2_OverCurr_Fault 27 AC_NoUtility_Fault 28 AC_GridPhaseSeque_Fault 29 AC_PLL_Fault 30 AC_Volt_Unbalance_Fault 31 AC_Curr_Unbalance_Fault 32 AC_WU_OverVolt_Fault 33 AC_WU_UnderVolt_Fault 34 AC_VW_OverVolt_Fault 35 AC_VW_UnderVolt_Fault 36 AC_UV_OverVolt_Fault 37 AC_UV_Un...

Page 54: ...eed_Fault 49 LVRT_Fault 50 Module1_OverTemp_Fault 51 Module2_OverTemp_Fault 52 Inductor1_OverTemp_Fault 53 Inductor2_OverTemp_Fault 54 Transformer_OverTemp_Fault 55 LowTemp_Fault 56 EPO_Stop 57 KeyEmergencyStop 58 LcdEmergencyStop 59 Door_Open_Fault 60 AC_MainContactor1_Fault 61 AC_MainContactor2_Fault 62 AC_MainContactor3_Fault 63 AC_SlaveContactor_Fault 64 GFDI_Ground_Fault 65 GFDI_HallSense_Fau...

Page 55: ...an_3_Fault_Warning Table 6 3 1 General history failure table 3 2 Serious fault history No information Grid voltage too high Grid voltage too low Grid frequency too high Grid frequency too low DC over voltage protection DC over voltage protection AC current unbalanced Grid voltage unbalanced PV Ground fault protection AC over current protection LVRT protection inverter internal problem protection D...

Page 56: ...rical fault table 6 3 3 Inverter status No description 0 waiting 1 checking 2 grid connected 3 fault 4 Permanent fault 5 Communication failure Figure 6 3 3 inverter status table 7 Routine maintenance 7 1 Replacing the dust screen When the inverter fails the inverter will automatically disconnect from the power grid and display the alarm information When there is problem with the utility grid or th...

Page 57: ... screen should always keep clean It needs to be replaced when it is dirty Procedure of the dust screen replacement 1 The front and back cover can be seen after opening the front and back cover of the inverter 2 Open front and back dust cover from the bottom of the dust cover 3 Take away the dust screen and insert a clean one 4 Place the dust cover in the original place and fix it ...

Page 58: ...Growatt New Energy CO LTD www ginverter com 58 1 2 3 4 Figure 7 1 Dustproof device ...

Page 59: ...ust moisture or condensation inside the cabinet every month Check the cable connections and fix the screw if necessary every month Check the warning label add or replace some if necessary every month Manual checks AC and DC circuit breakers every month Check that the emergency stop button and the LCD stop function every month Check if there is abnormal sound when inverter is operating every week A...

Page 60: ...ax inverter backfeed current to the array a c or d c A 250 a c output quantities Voltage nominal or range a c V 400 Current maximum continuous a c A 144 Current inrush a c A peak and duration 500A 5mS Frequency nominal or range Hz 50 Power maximum continuous W or VA with PF 100K Power factor range 0 9 Maximum output fault current a c A peak and duration or RMS 160 RMS Maximum output overcurrent pr...

Page 61: ...r injury to persons or property or for other loss or injury resulting from any cause whatsoever arising out of or related to the modules including without limitation any defects in the modules or from use or installation Under no circumstances shall GROWATT be liable for incidental consequential or special damages howsoever caused loss of use loss of production loss of revenues are therefore speci...

Page 62: ...t shall accept no liability for loss of profit resultant of indirect damage any loss of electrical power and or compensation of energy suppliers within the express meaning of that term The warranty rights as meant herein are not transferable or assignable to any third party excepting the named warranty holder 8 4 Contact If you have technical problems concerning our products contact your installer...

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