INVT SPC Series Operation Manual
  1. Manuals
  2. Brands
  3. INVT Manuals
  4. Inverter
  5. SPC Series
  6. Operation manual

INVT SPC Series Operation Manual

Solar pump inverter
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SPC Series and is the answer not in the manual?

Questions and answers

Related Manuals for INVT SPC Series

Summary of Contents for INVT SPC Series

  • Page 2 SPC Series Solar Pump Inverter Change history Change description Version Release date First release V1.0 November 2021...

  • Page 3: Table Of Contents

    SPC Series Solar Pump Inverter Contents Contents Contents ............................ i 1 Safety precautions ....................... 1 1.1 Safety definition ......................1 1.2 Warning ........................1 1.3 Safety guidelines ......................2 1.3.1 Delivery and installation ..................2 1.3.2 Commissioning and running ................3 1.3.3 Maintenance and component replacement ............
  • Page 4 C.1 External keypad structure ..................60 C.2 Dimensions of 2.2–7.5kW models ................61 Appendix D Further information ..................62 D.1 Product and service queries ..................62 D.2 Feedback on INVT inverter manuals ................. 62 D.3 Documents on the Internet ..................62 -ii-...

  • Page 5: Safety Precautions

    We shall not be liable or responsible for any equipment damage or physical injury or death caused due to your or your customers’ failure to follow the safety precautions. If not otherwise specified, the inverter in this manual always indicates SPC series solar pump inverter.

  • Page 6: Safety Guidelines

    SPC Series Solar Pump Inverter Safety precautions 1.3 Safety guidelines Only trained and qualified professionals are allowed to carry out related  operations. Do not perform wiring, inspection or component replacement when  power supply is applied. Ensure all the input power supplies have been disconnected before wiring or inspection, and wait for at least the time designated on the inverter or until the DC bus voltage is less than 36V.

  • Page 7: Commissioning And Running

    SPC Series Solar Pump Inverter Safety precautions cross sectional area). (+) and (-) are the DC power input terminals, while U, V, and W are the output  motor-connection terminals. Connect the input power and motor cables properly; otherwise, the inverter may be damaged.

  • Page 8: Disposal

    SPC Series Solar Pump Inverter Safety precautions 1.3.4 Disposal The inverter contains heavy metals. Dispose of a scrap inverter as  industrial waste. When the life cycle ends, the inverter should enter the recycling  system. Dispose of it separately at an appropriate collection point...

  • Page 9: Product Overview

    4. Whether the inverter nameplate is consistent with the model identifier on the exterior surface of the packing box. 5. Whether the accessories (including the manual and keypad) inside the packing box are complete. If any problems are found, contact the local INVT dealer or office. 2.2 Product nameplate Model: SPC2K2TR26-H IP65 Power(Output): 2.2kW...

  • Page 10: Product Specifications

    SPC Series Solar Pump Inverter Product overview Field Symbol Description Content Product series ① Abbreviation of solar pump controller abbreviation ② Rated power The rated power is 2.2kW. ③ Technical type TR: 3PH 2: 3PH 220V ④ Output voltage class...

  • Page 11: Product Ratings

    SPC Series Solar Pump Inverter Product overview Overload Able to run at 120% of the rated current for 1 minute and 150% of the capacity rated current for 10 seconds Other Ingress protection (IP) IP65 rating Cooling method Natural cooling...

  • Page 12: Installation Guidelines

     The inverter installation must be designed and done according to applicable local laws and regulations. INVT does not assume any liability whatsoever for any inverter installation which breaches local laws or regulations. If recommendations given by INVT are not followed, the inverter may experience problems that the warranty does not cover.
  • Page 13 SPC Series Solar Pump Inverter Installation guidelines Environment Condition has been idled for a long time, install an external heating device before the use to eliminate the freeze inside the inverter. Otherwise, the inverter may be damaged. Relative Less than 95%...

  • Page 14: Installation Direction

    SPC Series Solar Pump Inverter Installation guidelines 3.1.2 Installation direction The inverter can be installed on the wall or column or in a cabinet. The inverter must be installed vertically. Check the installation position according to following requirements. For details about the outline dimensions, see Appendix C “Dimension drawings”.

  • Page 15: Standard Wiring

    SPC Series Solar Pump Inverter Installation guidelines 3.2 Standard wiring 3.2.1 Main circuit terminals The inverter standard wiring is shown as follows. Water Water pump pump PV input Switch Common terminal SPC controller SPC controller COM 485+ 485- Cabinet (IP65)

  • Page 16: Control Circuit Terminals

    SPC Series Solar Pump Inverter Installation guidelines Terminal Name Description PV+, PV- PV DC input PV module input terminals. 3PH AC output terminals, which connect to the water U, V, W Inverter output pump motor in most cases. Safety protection Grounding terminal for safe protection;...

  • Page 17: Keypad Operation Guidelines

    SPC Series Solar Pump Inverter Keypad operation guidelines 4 Keypad operation guidelines 4.1 Keypad introduction The keypad is used to control the inverter, read inverter status, and set parameters. Use a standard RJ45 crystal-head network cable as the extension cable.
  • Page 18 SPC Series Solar Pump Inverter Keypad operation guidelines No. Name Description Blinking: in pre-alarm state On: in fault state Unit displayed currently Frequency unit Rotation speed unit Unit Current unit indicator Percentage Voltage unit Five-digit LED displays various monitoring data and alarm codes such as the frequency setting and output frequency.

  • Page 19: Keypad Display

    SPC Series Solar Pump Inverter Keypad operation guidelines No. Name Description fault alarm state, this key can be used for reset in any control modes. Multifunction QUICK The function of this key is determined by P07.02. shortcut key 4.2 Keypad display The inverter keypad displays information such as the stopped-state parameters, running-state parameters, and fault status, and allows you to modify function codes.

  • Page 20: Operation Procedure

    SPC Series Solar Pump Inverter Keypad operation guidelines RUN/TUNE FWD/REV LOCAL/REMOT TRIP RUN/TUNE FWD/REV LOCAL/REMOT TRIP RUN/TUNE FWD/REV LOCAL/REMOT TRIP Figure 4-2 Status display 4.3 Operation procedure You can operate the inverter by using the keypad. For details about function code descriptions, see the function code list.

  • Page 21: Setting A Password For The Inverter

    SPC Series Solar Pump Inverter Keypad operation guidelines 4.3.2 Setting a password for the inverter The inverter provides password protection function to users. Set P07.00 to gain the password and the password protection becomes effective 1 minute later after retreating from the function code editing state.

  • Page 22: Commissioning Guidelines

    SPC Series Solar Pump Inverter Commissioning guidelines 5 Commissioning guidelines Cut off all power supplies connected to the inverter before terminal  wiring, and wait for at least the time designated on the inverter after disconnecting the power supplies. ...

  • Page 23: Function Parameter List

    SPC Series Solar Pump Inverter Function parameter list 6 Function parameter list The function group numbers correspond to the level-1 menus, the function codes correspond to the level-2 menus, and the function parameters correspond to the level-3 menus. The function code table contains: Column 1 "Function code ": Code of the function group and parameter...
  • Page 24 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code torque accuracy, without the need to install pulse encoders. 2: Space voltage vector control mode Applicable to scenarios without demanding requirements on control accuracy, such as fan and pump. One inverter can drive multiple motors.
  • Page 25 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code the upper limit of the running frequency, the upper limit of the running frequency is used for running. Setting range: P00.05–P00.03 (Max. output frequency) The lower limit of the running frequency...
  • Page 26 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code Note:  When the parameter is restored to default value, motor's running direction is restored to the default one. Exercise caution before using this function if the change of...

  • Page 27: P01 Group Start And Stop Control

    SPC Series Solar Pump Inverter Function parameter list P01 group Start and stop control Function Name Description Default Modify code 0: Decelerate to stop. When a stop command takes effect, the inverter lowers output frequency based on the DEC mode and the defined DEC time;...
  • Page 28 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code the parameter autotuning function. Rated speed of Model ◎ P02.03 1–36000rpm Whether parameter depended autotuning can be performed properly depends on the settings of the motor nameplate...

  • Page 29: P04 Group Space Voltage Vector Control

    SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code performance. No-load current Note: Do not modify Model ○ P02.10 0.1–6553.5A of AM these parameters depended unless it is necessary. Rated power of Model ◎ P02.15 0.1–3000.0kW...
  • Page 30 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code 2: Torque-down V/F curve (power of 1.3) 3: Torque-down V/F curve (power of 1.7) 4: Torque-down V/F curve (power of 2.0) Curves 2 – 4 are applicable to the torque loads such as fans and water pumps.
  • Page 31 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code will run at over-excitation, which may cause increased output current and motor overheating, thus decreasing the efficiency. When torque boost is set to 0.0%, the inverter uses automatic torque boost.

  • Page 32: P05 Group Input Terminals

    SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code Low-frequency In space voltage vector control mode, the oscillation motor, especially the large-power motor, ○ P04.10 control factor of may experience current oscillation at motor 1...

  • Page 33: P06 Group Output Terminals

    SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code 37: Switch the running command channel to terminal 38: Switch the running command channel to communication 39: Pre-exciting command 40–42: Reserved 43: Full-waterl signal 44: Empty-water signal 45–63: Reserved...

  • Page 34: P07 Group Human-Machine Interface

    SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code 16–19: Reserved 20: External fault is valid 21: Reserved 22: Running time reached 23: Modbus communication virtual terminal output 26: DC bus voltage established 27: Weak light...
  • Page 35 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code menu if you enter an incorrect password. Please remember your password and save it in a secure place. After you exit the function code editing interface,...
  • Page 36 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code Tens place: Reserved When P07.02=6, set the sequence of Sequence of switching running-command channels by switching pressing this key. running-comm 0: Keypad→Terminal→Communication ○ P07.03 and channels 1: Keypad←→Terminal...
  • Page 37 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code 3rd-last fault running (OC3) ● P07.30 type 7: Overvoltage during acceleration (OV1) 8: Overvoltage during deceleration (OV2) 4th-last fault ● P07.31 9: Overvoltage during constant speed...

  • Page 38: P08 Group Enhanced Functions

    SPC Series Solar Pump Inverter Function parameter list P08 group Enhanced functions Function Name Description Default Modify code Setting range: 0–10 The following faults can be automatically reset: OC1: Overcurrent during acceleration OC2: Overcurrent during deceleration OC3: Overcurrent during constant speed...

  • Page 39: Function Parameters Special For Solar Water Pump

    SPC Series Solar Pump Inverter Function parameter list 6.2 Function parameters special for solar water pump P11 group Protection Function Name Description Default Modify code Frequency decrease at 0: Disable ○ P11.01 sudden power 1: Enable loss 0.00Hz–P00.03/s If the bus voltage drops to the sudden...
  • Page 40 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code 1: Inverter OL/UL pre-alarm, relative to the inverter rated current Tens place: 0: The inverter continues to work for an OL/UL alarm. 1: The inverter continues to work for a UL alarm but stops running for an OL fault.

  • Page 41: P13 Group Sm Control

    SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code 0: Act during the automatic reset period 1: Do not act during the automatic reset period Speed ○ P11.14 deviation 0.0–50.0% 10.0% detection value Speed 0.0–10.0s (No speed deviation protection ○...

  • Page 42: P14 Group Serial Communication

    SPC Series Solar Pump Inverter Function parameter list P14 group Serial communication Function Name Description Default Modify code Local ○ P14.00 communication 1–247 address 0: 1200BPS 1: 2400BPS 2: 4800BPS Communicatio ○ P14.01 3: 9600BPS n baud rate 4: 19200BPS...
  • Page 43 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code 1: Password protection is valid. Hundreds place: User-defined communication command address 0: Invalid 1: Valid The hundreds place of P14.06 is used to define whether a user-defined address is valid.

  • Page 44: P15 Group Functions Special For Solar Inverter

    SPC Series Solar Pump Inverter Function parameter list P15 group Functions special for solar inverter Function Name Description Default Modify code 0: Disable 1: Enable The value 0 indicates solar control is Solar inverter ◎ P15.00 invalid, and this function group is not selection used.
  • Page 45 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code voltage and reference voltage to the reference voltage, which is abs (Actual voltage – Reference voltage) * 100.0%/(Reference voltage), exceeds P15.03. The default value is 0.0%.
  • Page 46 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code and faster adjustment. 0.0–6553.5Vdc When the absolute value of PV voltage PI switchover ◎ P15.10 minus reference voltage is greater than 20.0V point P15.10, P15.08 P15.09 are used.
  • Page 47 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code 0–10000s Empty-water Time setting on empty-water level delay. ○ P15.16 level delay (This parameter is still valid for digital empty-water signal.) 0–10000s Empty-water Time setting empty-water level ○...
  • Page 48 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code synchronously. Generally, value needs to be greater than P15.19 so that the system can report the underload alarm when the underload run time is reached and then reset can be performed when the time (P15.21–P15.19) elapsed.
  • Page 49 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code 0.0–3600.0s Time setting on weak-light wake-up delay. If the weak-light pre-alarm is reported, the system clears the pre-alarm with the Weak-light weak-light wake-up delay and then ○...
  • Page 50 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code Min. reference voltage in max. power tracking–P15.31 It is the max. voltage tracked when MPPT max. power tracking is valid. Max. reference Model ○ Max. voltage in P15.27...

  • Page 51: P17 Group Status Viewing

    SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code P15.27–6553.5V During the max. power tracking, the PV module reference voltage upper limit will not exceed the value of P15.31. Vmppt max. Model The factory value depends: ○...

  • Page 52: P18 Group Status Viewing Functions Special For Solar Inverter

    SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code Motor rotation ● P17.05 0–65535RPM 0 RPM speed ● P17.11 DC bus voltage 0.0–2000.0V 0x0–0xF Digital input ● P17.12 Bit 0 corresponds to S1. Bit 1 terminal status corresponds to S2.
  • Page 53 SPC Series Solar Pump Inverter Function parameter list Function Name Description Default Modify code High-order bits Used to display the 16 high-order bits of ● P18.17 in total power the total power supply amount. Unit: kWh supply amount Used to display the 16 low-order bits of Low-order bits the total power supply amount.

  • Page 54: Fault Diagnosis And Solution

    7 Fault diagnosis and solution Do as follows if the inverter encounters a fault: Check whether there is any exception on the keypad. If yes, contact the local INVT office. If no, check function group P07 to view the fault record parameters and understand the actual condition.
  • Page 55 SPC Series Solar Pump Inverter Fault diagnosis and solution Fault code Fault type Possible cause Solution The voltage of the   Check the grid input grid is too low. Bus undervoltage power supply.  The overvoltage stall fault Check the setting of ...
  • Page 56 SPC Series Solar Pump Inverter Fault diagnosis and solution Fault code Fault type Possible cause Solution communication interface wiring. wiring. Set a proper   The communication communication address is incorrect. address. There is strong Change or replace the ...
  • Page 57 SPC Series Solar Pump Inverter Fault diagnosis and solution Fault code Fault type Possible cause Solution The inverter reports   Check the load and the Electronic overload pre-alarm overload pre-alarm overload fault according to the points. setting. To-ground ...
  • Page 58 SPC Series Solar Pump Inverter Fault diagnosis and solution Fault code Fault type Possible cause Solution Underload The pumping pool Check the pumping   A-LL pre-alarm has no water. pool. If you have configured  the full-water pre-alarm function, the device...

  • Page 59: Appendix A Options

    Appendix A Options A.1 RMS and monitoring app A.1.1 Product overview INVT EC series RMS expansion card is an IoT wireless data terminal, using public carrier networks to provide wireless long-distance data transmission. The stability and reliability meet industrial application scenarios.

  • Page 60: Installation And Delivery

    SPC Series Solar Pump Inverter Options Supports GPS positioning to obtain device positions accurately (optional).   Supports the use of cell for timing upon power failure. (Optional) Supports the use of SD card for data collection. (Optional)  Supports the use of LCD to display data collection and status. (Optional) ...

  • Page 61: Reactor

    When the distance between the inverter and motor ranges from 50 m to 100 m, select the reactor according to the following table. If the distance is longer than 100 m, contact INVT's technical support technicians. -57-...
  • Page 62 SPC Series Solar Pump Inverter Options Output reactor model selection Inverter model Output reactor SPC2K2TR20 OCL2-004-4 SPC2K2TR26-S OCL2-004-4 SPC2K2TR26-H OCL2-004-4 SPC004TR40 OCL2-004-4 SPC004TR46-S OCL2-004-4 SPC004TR46-H OCL2-004-4 SPC7K5TR40 OCL2-7R5-4 SPC7K5TR46-S OCL2-7R5-4 SPC7K5TR46-H OCL2-7R5-4 Note: The rated output voltage drop of output reactors is 1%±15%.

  • Page 63: Appendix B Recommended Pv Module Configuration

    SPC Series Solar Pump Inverter Recommended PV module configuration Appendix B Recommended PV module configuration B.1 PV module configuration recommended by inverter model Open-circuit voltage class of PV module 37± 1V 45± 1V Inverter model Modules per Modules per Module...

  • Page 64: Appendix C Dimension Drawings

    SPC Series Solar Pump Inverter Dimension drawings Appendix C Dimension drawings C.1 External keypad structure Keypad outline drawing Keypad cut-out drawing (without bracket) You can mount the keypad on an external bracket, which is an optional part. The external keypad can be up to 20 meters away from the inverter.

  • Page 65: Dimensions Of 2.2-7.5Kw Models

    SPC Series Solar Pump Inverter Dimension drawings C.2 Dimensions of 2.2–7.5kW models Figure C-1 Dimensions of 2.2–4kW models Figure C-2 Dimensions of 7.5kW model -61-...

  • Page 66: Appendix D Further Information

    Further information Appendix D Further information D.1 Product and service queries If you have any queries about the product, contact the local INVT office. Please provide the model and serial number of the product you query about. You can visit www.invt.com to find a list of INVT offices.
  • Page 67 66001- 00785...

This manual is also suitable for:

Spc2k2tr20Spc2k2tr26-sSpc2k2tr26-hSpc004tr40Spc7k5tr40Spc004tr46-s ... Show all

Table of Contents

Save PDF