SOLIS S6-GC33K-US User Manual
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SOLIS S6-GC33K-US User Manual

Grid tie inverter
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User Manual
for S6 Series Grid Tie Inverter
Applicable models
S6-GC25K-US
S6-GC33K-US
S6-GC36K-US
S6-GC40K-US
S6-GC50K-US
S6-GC60K-US
S6-GC-30K-LV-US
Version 1.2, Release Date: 08,2024

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Summary of Contents for SOLIS S6-GC33K-US

  • Page 1 User Manual for S6 Series Grid Tie Inverter Applicable models S6-GC25K-US S6-GC33K-US S6-GC36K-US S6-GC40K-US S6-GC50K-US S6-GC60K-US S6-GC-30K-LV-US Version 1.2, Release Date: 08,2024...

  • Page 2: Important Notes

    ● Airborne noise produced depending on the environment. ● Potential flammability hazards. ● Solis will not be held liable for defects or malfunctions arising from: ● Improper use of the equipment. ● Deterioration resulting from transportation or particular environmental conditions.
  • Page 3 Table of Contents Introduction Safety Installation Communication Commissioning Settings Maintenance Troubleshooting Specifications 10 Appendix...

  • Page 4: Table Of Contents

    Table of Contents 1. Introduction ……………………………………………………………………………………………………………… 1.1 Product Description …………………………………………………………………………………… 1.2 Front Panel Display …………………………………………………………………………………… 1.3 LED Status Indicator Lights …………………………………………………………………………… 1.4 Unpacking ………………………………………………………………………………………………… 1.5 Inverter Circuit Diagram …………………………………………………………………………… 1.6 Tools Required for Installation ………………………………………………………………… 1.7 Storage ……………………………………………………………………………………………………… 1.8 Notice of Disposal ……………………………………………………………………………...
  • Page 5 Table of Contents 6.4.1 Lock screen ……………………………………………………………………………………… 6.5 Settings ……………………………………………………………………………………………………… 6.5.1 Set Time ……………………………………………………………………………………………… 6.5.2 Set Address ……………………………………………………………………………………………………… 6.6 Advanced Info - Technicians Only …………………………………………………………… 6.6.1 Alarm Message ……………………………………………………………………………… 6.6.2 Running Message ……………………………………………………………………………… 6.6.3 Version ……………………………………………………………………………………………… 6.6.4 Daily Energy …………………………………………………………………………………… 6.6.5 Monthly Energy …………………………………………………………………………………...

  • Page 6: Introduction

    1. Introduction User Manual 1.1 Product Description Solis Three phase Inverters convert DC power from the photovoltaic (PV) array into alternating current (AC) power that can satisfy local loads as well as feed the power distribution grid. This manual covers the three phase inverter models listed below: S6-GC25K-US, S6-GC33K-US, S6-GC36K-US, S6-GC40K-US, S6-GC50K-US, S6-GC60K-US.

  • Page 7: Front Panel Display

    1. Introduction User Manual 1.2 Front Panel Display Figure 1.3 Front Panel Display 1.3 LED Status Indicator Lights There are three LED status indicator lights in the front panel of the inverter. POWER LED (red) indicates the power status of the inverter. OPERATION LED (green) indicates the operation status.

  • Page 8: Unpacking

    1. Introduction User Manual 1.4 Unpacking The inverter ships with all accessories in one carton. When unpacking, please verify all the parts listed below are included: DC connector Description Quantity Remarks Part # Inverter Mounting bracket Fastening screw Hex bolt M6*12 Staubli Electrical Connectors AG 12 for 25K-40K PV-KBT4-EVO 2/6I-UR...

  • Page 9: Inverter Circuit Diagram

    1. Introduction User Manual 1.5 Inverter Circuit Diagram Figure 1.5 Inverter Circuit Diagram 1.6 Tools Required for Installation Wire Strippers Wire Strippers Torqx T20 Screwdriver Technician Screwdriver 12AWG to 6AWG 20AWG to 10AWG LUG Crimping Tool Channel Locks Multimeter (AC/DC amps) Drill and Impact Driver Torque Screwdriver MC4 Crimping Tool...

  • Page 10: Storage

    Local rules in waste management shall be respected . SAVE THESE INSTRUCTIONS – This manual contains important instructions for Models S6-GC25K-US, S6-GC33K-US, S6-GC36K-US, S6-GC40K-US, S6-GC50K-US, S6-GC60K-US S6-GC30K-LV-US that shall be followed during installation and maintenance of the inverter.

  • Page 11: Safety Instruction

    2. Safety Instruction User Manual 2.1 Safety symbols Safety symbols used in this manual, which highlight potential safety risks and important safety information, are listed below: WARNING Symbol indicates important safety instructions, which if not correctly followed, could result in serious injury or death. NOTE Symbol indicates important safety instructions, which if not correctly followed, could result in damage to or the destruction of the inverter.

  • Page 12: Notice For Use

    Switch is turned on. To stop the inverter, see power down instructions on page 40 Section 6.2. 2.4 Protection Circuitry and Controls To meet relevant codes and standards, the Solis U.S. three phase inverter line is equipped with protective circuitry and controls. These include Arc Fault Circuit Interrupter (AFCI) and Anti-Islanding Protection.

  • Page 13: Installation

    3. Installation User Manual NOTE For additional installation details, watch the installation video in the link below https://youtu.be/nkYMf-oukIw 3.1 Environmental considerations 3.1.1 Location selection for the inverter When selecting a location for the inverter, consider the following: WARNING: Risk of fire Despite careful construction, electrical devices can cause fires.

  • Page 14: Other Environmental Considerations

    Consult the specifications section (section 9) for additional environmental conditions (protection rating, temperature, humidity, altitude, etc.). 3.1.2.2 Horizontal installation For horizontal installation, this model of Solis inverter should be mounted upward in more than 15 degrees of the horizontal plane. 3.1.2.3 Vertical wall installation For vertical installation, this model of Solis inverter should be mounted 90 degrees or backwards in less than or equal to 15 degrees.
  • Page 15 3. Installation User Manual ≥20in ≥12in ≥12in ≥30in ≥30in Figure 3.2 Clearance distances requirement for the inverter ≥12in ≥12in ≥20in ≥40in ≥12in Figure 3.3 Distances required between inverters when multiple inverters are installed NOTE Nothing should be stored on or placed against the inverter.

  • Page 16: Product Handling

    3.1.2.4 Avoiding direct sunlight Installation of the inverter in a location exposed to direct sunlight should to be avoided. Sun Shade covers are available from Solis for various inverter models. Direct exposure to sunlight could cause: ● Power output limitation (with a resulting decreased energy production by the system).

  • Page 17: Mounting The Inverter

    3. Installation User Manual Figure 3.5 Inverter lifting method WARNING Due to the weight of the inverter, contusions or bone fractures could occur when incorrectly lifting and mounting the inverter. When mounting the inverter, take the weight of the inverter into consideration.

  • Page 18: Wall Mounting

    3. Installation User Manual 3.3.1 Wall mounting 1. Use the suitable mounting screws to attach the bracket on the wall. Torque:22.1-25.8 ft.lbs Bracket Suitable mounting screws Figure 3.7 Inverter wall mounting 2. Take off the Protective cover on the back of AC wiring box. Figure 3.8 3.
  • Page 19 3. Installation User Manual 4. Use the Connecting plate with screws to fix the AC wiring box on the bracket. Figure 3.10 5. Lift the inverter and hang it on the bracket, and slide down to make sure they match perfectly.
  • Page 20 3. Installation User Manual 6. Fix the AC wiring box to the inverter by screws. Figure 3.12...

  • Page 21: Rack Mounting

    3. Installation User Manual 3.3.2 Rack mounting The steps to mounting to the rack are listed below: 1. Select a location for the inverter With a Type 4X protection rating, the inverter can be installed both outdoors and indoors. When the inverter is running, the temperature of the chassis and heat sink will be higher than the ambient .
  • Page 22 3. Installation User Manual 3. Install mounting plate a. Remove the bracket and fasteners from the packaging. Mark the position for hole drilling according to the hole positions of the bracket. Figure 3.15 Mark the position for hole b. Drill the marked holes. It is recommended to apply anti-corrosive paint at the hole for corrosion protection.
  • Page 23 3. Installation User Manual c. Align the mounting plate with the holes, Insert the combination bolt (M10X40)through the mounting plate into the hole. Secure the bracket to the metal frame firmly with the supplied fastener. Torque the nut to 25.8 ft.lbs. Figure 3.17 Combination bolt d.

  • Page 24: Electrical Connections

    3. Installation User Manual 3.4 Electrical Connections Inverter design uses PV style quick-connect terminal. The inverter cover shall not be opened during DC electrical connection. The labels located on the bottom of the inverter are described below in table 3.1. All electrical connections must be in accordance with local and/or national standard.

  • Page 25: Grounding

    3. Installation User Manual 3.4.1 Grounding The inverter must be grounded for safety. Two methods are provided. 1. Connect the AC grounding cable. (See Section 3.4.3) 2. Connect the equipment grounding terminal on the heatsink described below. To connect the grounding terminal on the heat sink, please follow the steps below: 1.
  • Page 26 3. Installation User Manual NOTE B (insulation stripping length) is 2mm-3mm longer than A (OT cable terminal crimping area). 4. Insert the stripped wire into the OT terminal crimping area and crimp with a hydraulic crimp tool. (see Figure 3.18) NOTE After crimping the terminal to the wire, inspect the connection to ensure the terminal is solidly crimped to the wire.

  • Page 27: Connect Pv Side Of Inverter

    3. Installation User Manual 3.4.2 Connect PV side of inverter WARNING Before connecting the inverter, make sure the PV array open circuit voltage is within the limit of the inverter. Otherwise, the inverter could be damaged. WARNING DO NOT connect the PV array positive or PV array negative cable to ground. This can cause serious damage to the inverter! WARNING MAKE SURE the polarity of the PV array output conductors matches...
  • Page 28 3. Installation User Manual Figure 3.25 Connect the DC Figure 3.24 Multimeter measurement Connectors to the Inverter Traverse area（mm²） Outside diameter of Cable type Recommended cable（mm） Range value 4.0~6.0 PV Wire 5.5~9.0 (12~10AWG) (12AWG) UL 4703 Listed Caution If DC inputs are accidently reversely connected or inverter is faulty or not working properly, it is NOT recommended to turn off the DC switch under Normal operating condition and only under Emergency operating conditions the switch can be used to turn OFF the DC inputs and disconnect PV strings.

  • Page 29: Connect Grid Side Of Inverter

    3. Installation User Manual 3.4.2.1 DC connection high voltage danger notice CAUTION RISK OF ELECTRIC SHOCK Do not touch an energized DC conductor. There is high voltages present when PV modules are exposed to light causing a risk of death due to an electric shock from touching DC conductors! Only connect the DC cables from the PV module to the inverter as described in this manual.
  • Page 30 OCPD for the inverter output. Recommended current Rated Max. output Inverter range for OCPD (A) voltage(Vac) current (Amps) 30.1 S6-GC25K-US S6-GC33K-US 39.7 50-60 S6-GC36K-US 43.3 S6-GC40K-US 48.1 65-70 80-90 S6-GC50K-US 60.1 S6-GC60K-US 72.2...

  • Page 31: Wiring Procedure

    3. Installation User Manual 3.4.3.2 Wiring procedure All electrical installations must be carried out in accordance with the local standards and the National Electrical Code® ANSI/NFPA 70 or the Canadian Electrical Code® CSA C22.1. The AC and DC electric circuits are isolated from the enclosure. If required by section 250 of the National Electrical Code®, ANSI/NFPA 70, the installer is responsible for grounding the system.
  • Page 32 3. Installation User Manual The steps to assemble the AC grid terminals are listed as follows: 1. Strip the end of AC cable insulating jacket about 11.8 inch then strip the end of each wire. Figure 3.27 Strip AC cable NOTE S2 (insulation stripping length) is 2mm-3mm longer than S1.
  • Page 33 3. Installation User Manual 3. LOTO the AC breaker disconnect to ensure it does not close unexpectedly. 4. Remove the 2 screws on the inverter junction box and remove the junction box cover. (See figure 3.29) Figure 3.29 Remove the junction box cover 5.

  • Page 34: Communication & Monitoring

    4. Communication & Monitoring User Manual 4.1 RS485 Communication The inverter package will include a 12-Pin connector. The Pin definition is shown below. Facing the connector, Pin 1 is on the left of the first row. The rest polarity is showing in below diagram. Definition Description RS485 A IN...
  • Page 35 Multiple inverters can be monitored through RS-485 and Ethernet daisy chain configuration. Inverter1 PC monitoring PV Strings Inverter2 PV Strings Datalogger Rs485 PV Strings O&M Cloud Inverter32 Figure 4.2 Multiple inverter monitoring system Inverter1 Inverter2 Inverter10 •••• Rs485 Figure 4.3 Inverter monitoring with Solis 4G & WIFI stick...
  • Page 36 4. Communication & Monitoring User Manual 30mm Figure 4.4 Figure 4.5 a. Insert the cable through the cap nut for each port . COM2 (RS485 IN) COM3 ( RS485 OUT). b. Insert the cable into the connector PIN’s 1-2 for RS485 IN and PIN’s 3-4 for RS485 OUT. NOTE Inverter can support only one master communication device.

  • Page 37: Commissioning

    5.1 Selecting the appropriate grid standard 5.1.1 Verifying grid standard for country of installation Solis inverters are used worldwide and feature preset standards for operating on any grid. Although the grid standard is set at the factory, it is essential the grid standard be verified for the country of installation before commissioning.

  • Page 38: Setting A Custom Grid Standard

    5. Commissioning User Manual 3. Use the UP/DOWN keys to highlight the SELECT STANDARD option. Press enter to select. Select Standard Grid ON/OFF Figure 5.3 4. Select the grid standard for the country of installation. YES=<ENT> NO=<ESC> Standard:IEEE1547-18 Figure 5.4 Press the UP or DOWN key to select the standard.

  • Page 39: Preliminary Checks

    Input voltages higher than the maximum value accepted by the inverter (see “Specifications” in Section 9) may damage the inverter. Although Solis inverters feature reverse polarity protection, prolonged connection in reverse polarity may damage these protection circuits and/or the inverter.

  • Page 40: Ac Configuration

    User Manual 5.4.1.2.1 Detection of leakage to ground Solis inverters are transformer-less and do not have an array connection to ground. Any measurement of a fixed voltage between ground and either the positive or negative string wiring indicates a leakage (ground fault) to ground and must be corrected prior to energizing the inverter or damage to the inverter may result.

  • Page 41: Settings

    The red DC POWER LED and LCD will be continuously lit. 4. Solis inverters are powered from the DC side. When the inverter detects DC voltage that is within start-up and operating ranges, the inverter will turn on. After turn- on, the inverter will check internal parameters, sense and monitor AC voltage, frequency rate and the stability of the supply grid.

  • Page 42: Main Menu

    2. Settings 3. Advanced Info. 4. Advanced Settings 6.4 Information The Solis three Phase Inverter main menu provides access to operational data and information. The information is displayed by selecting "Information" from the menu and then by scrolling up or down.
  • Page 43 6. Settings User Manual Display Description Duration VPV_Total: Shows input voltage total. VPV_Total: 1000.0V 5 sec IPV_Total: +99.0A IPV_Total: Shows input current total. V_A: Shows the grid's voltage value. V_A: 345.7V 5 sec I_ A: 109.0A I_A: Shows the grid's current value. V_C: Shows the grid's voltage value.

  • Page 44: Lock Screen

    The address number can be assigned from “01”to “99”(see Figure 6.4). The default address number of Solis Three Phase Inverter is “01”. When connecting multiple inverters with RS485 daisy chain, each inverter must have unique RS485 address from 01-99 .

  • Page 45: Advanced Info - Technicians Only

    6. Settings User Manual 6.6 Advanced Info - Technicians Only NOTE To access to this area is for fully qualified and accredited technicians only. Enter menu “Advanced Info.” and “Advanced settings” （need password）. Select “Advanced Info.” from the Main Menu. The screen will require the password as below: YES=<ENT>...

  • Page 46: Version

    6. Settings User Manual 6.6.3 Version The screen shows the model version of the inverter. And the screen will show the software version by pressing the UP and DOWN at the same time.(see Figure 6.7). Model: 08 Software Version: D20001 Figure 6.7 Model Version and Software Version 6.6.4 Daily Energy The function is for checking the energy generation for the selected day.

  • Page 47: Normal Operation

    6. Normal operation User Manual 6.6.6 Yearly Energy The function is for checking the energy generation for the selected year. YES=<ENT> NO=<ESC> Select: 2019 Figure 6.12 Select year for yearly energy Press DOWN key to move the cursor to day and year, press UP key to change the digit. Press Enter after the date is fixed.

  • Page 48: Advanced Settings - Technicians Only

    6. Settings User Manual 6.7 Advanced Settings - Technicians Only NOTE To access to this area is for fully qualified and accredited technicians only. Please follow 6.4 to enter password to access this menu. Select Advanced Settings from the Main Menu to access the following options: 1.

  • Page 49: Grid On/Off

    6. Settings User Manual 6.7.2 Grid ON/OFF This function is used to start up or stop the power generation of Solis Three Phase Inverter (see Figure 6.18). Grid ON Grid OFF Figure 6.18 Set Grid ON/OFF Screens can be scrolled manually by pressing the UP/DOWN keys. Press the ENTER key to save the setting.

  • Page 50: Power Control

    6. Settings User Manual 6.7.5 Power Control Active and reactive power can be set through the power setting button. There are 5 item for this sub menu: 1. Set output power 2. Set Reactive Power 3. Out_P With Restore 4. Rea_P With Restore 5.

  • Page 51: Std Mode Settings

    6.7.8.1 Working Mode Set There are TWO situations with different grid standards selected. 6.7.8.1.1 With IEEE1547-18 Standard selected NOTE The following modes are for "IEEE1547-18”. Solis US version inverters have Seven working modes: 1. NULL 2. Volt-watt 3. Volt-Var 4. Fixed-PF 5.
  • Page 52 6. Settings User Manual 1.NULL Description: Inverter is not under any working mode. 2. Volt-Watt (Not Required) Description: Inverter will change the active output power based on voltage change. Note: This Setting is NOT required by UL1741SB Standards. NOTE This function is for maintenance personnel only, wrong operation will prevent the inverter from reaching maximum power.
  • Page 53 6. Settings User Manual 4.Fixed-PF Description: Inverter will output power with fixed power factor. Setting Range: -0.8 to +0.8 Default value is PF = 1 YES=<ENT> NO=<ESC> Power Factor:+1.00 Figure 6.23 Fixed-PF Figure 6.24 PF Range 5. Reac-power (Not Required) Description: Inverter will generate reactive power based on changing output power.
  • Page 54 6. Settings User Manual 7.VgWatt-UL Description: Inverter will change the active output power based on voltage change. Note: This is the Volt-Watt Setting for UL1741SB Standard. 100% of Input Power AC Volt Vmin Vnom Vstart Vstop Vmax Figure 6.25 Volt-Watt characteristic Default Settings for UL1741SB: Rated 480V Grid V1:less than V2...
  • Page 55 6. Settings User Manual 6.7.8.1.2 With Rule21 Standard selected NOTE The following modes are for "R21P3”. Solis US version inverters have ten working modes: 1. NULL 6. Power -PF 2. Volt-watt 7. VgWatt-UL 3. Volt-Var 8. Volt-Var and Volt Watt enabled 4.
  • Page 56 6. Settings User Manual Default Settings for Rule21 Standards: Rated 480V Grid V1:less than Vstart V2: less than Vstart V3 (Vstart): (480-576V) Default 508.8V V4: (Vstop): (480-576V) Default 528V P1:100% P2:100% P3: 100% P4:0% 3. Volt-Var Description: Inverter will change the reactive output power based on voltage change. Q1, cap Q2=Q3=0 Vnom...
  • Page 57 6. Settings User Manual YES=<ENT> NO=<ESC> Power Factor:+1.00 Figure 6.30 Fixed-PF Figure 6.31 PF Range 5. Reac-power (Not Required) Description: Inverter will generate reactive power based on changing output power. Note: This Setting is NOT required by Rule21 Standards. NOTE This function is for maintenance personnel only, wrong operation will prevent the inverter from reaching maximum power.
  • Page 58 6. Settings User Manual 8. Enable both Volt-Var and Volt-Watt modes Description: Rule21 requires both Volt-var and Volt-watt modes to be enabled. To set both modes (Volt-var in high priority) Step 1: Select and set Volt-watt mode at first. Step 2: Enter "Working Mode" again and select and set Volt-var mode then. Step 3: To check the priority, a new mode will appear as "V-Q &...
  • Page 59 6. Settings User Manual 6.7.8.2 Power Rate Limit This function is used for change Power Ramp-up rate. When inverter start up or input string MPPT changes, inverter power ramp-up rate is limited in this menu. The default setting is stop (disable). The setting range from 1% to 100%, means inverter power change rate per minute.

  • Page 60: Power Priority

    6. Settings User Manual 6.7.8.4 10mins Voltage Set This function is disabled and not used for the US. NOTE This function is for maintenance personnel only, wrong operation will prevent the inverter from reaching maximum power. 6.7.8.5 Power Priority This setting is used to set the priority between Active Power Control (Watt) and Reactive Power Control (Var).

  • Page 61: Restore Settings

    6. Settings User Manual 6.7.8.8 Freq-Watt This setting is used to control real power based on the frequency excursion. This setting is applicable when Rule21 Standards are selected. Start Freq: 60.50Hz WGradient: 040% Figure 6.39 Freq-Watt (1) Start Freq: This is the frequency that active power reduction starts. WGradient: This is the active power reduction rate in terms of the frequency.

  • Page 62: Hmi Update

    6. Settings User Manual 6.7.10 HMI Updater NOTE This section is applicable to maintenance personnel only. Selecting “Updater” displays the sub-menu shown below: HMI Current Ver.: 02 YES=<ENT> NO=<ESC> Figure 6.42 Updater is for updating LCD firmware. Press the ENTER key to start the process. Press the ESC key to return to the previous menu.

  • Page 63: Debug Parameter

    6. Settings User Manual 6.7.13 Debug Parameter NOTE This section is applicable to maintenance personnel only. Debug Parameter as shown as below: S16DAT1: +0000 S16DAT2: +0000 S16DAT3: +0000 S16DAT4: +0000 S16DAT5: +0000 S16DAT6: +0000 S16DAT7: +0000 S16DAT8: +0000 Figure 6.44 Press the UP/DOWN keys to scroll through items.

  • Page 64: Dsp Update

    6. Settings User Manual 6.7.15 DSP Update The function is used for updating the DSP. NOTE This function is applicable by maintenance personnel only, wrong operation will prevent the inverter from reaching maximum power. 6.7.16 Compensation Set This function is used to calibrate inverter output energy and voltage. It will not impact the energy count for inverter with RGM.

  • Page 65: I/V Curve

    6. Settings User Manual 6.7.17 I/V Curve This function is used to scan the I/V characteristic curves of each PV strings. Set I/V Curve I/V Curve Scan Figure 6.47 I/V Curve 6.7.17.1 Set I/V Curve This setting can set the scanning voltage start point and the voltage interval. 850V 010V Figure 6.48 Set I/V Curve...

  • Page 66: Afci Function

    6. Settings User Manual 6.8 AFCI function Solis inverters have the built-in AFCI function which can detect the arc fault on the DC circuit and shut down the inverter to prevent a fire disaster. 6.8.1 Enable the AFCI function The AFCI function can be enabled in the following method.

  • Page 67: Maintenance

    NOTE Never use any solvents, abrasives or corrosive materials to clean the inverter. 7.1 Anti-PID Function Solis inverter integrates optional Anti-PID module and it can recover the PID effect during night thus protect the PV system from degradation. Inverter Figure 7.1 The Anti-PID module repairs the PID effect of the PV module at night.

  • Page 68: Fan Maintenance

    7. Maintenance User Manual NOTE If you need to maintain the inverter at night, please turn off the AC switch first, then turn off the DC switch, and wait 5 minutes before you do other operations. 7.2 Fan Maintenance If the fan does not work properly, the inverter will not be cooled effectively and it will affect the inverter operation.

  • Page 69: Troubleshooting

    (5) minutes before restarting it (refer to Section 6.1). If the failure persists, please first contact your local distributor and then Solis Support Service. If you need to contact Solis Support Service, please call +1(866) 438-8408 or emails us to usservice@solisinverters.com Please have the following information available when contacting technical support: 1.
  • Page 70 8. Troubleshooting User Manual Alarms Cause Solution Test – DC switch OFF • Check PV connections • Input voltage low/missing • Check polarity No Information • Polarity reversed • Check voltage >200V (Blank Screen) • Main board damaged Test – DC Switch ON •...
  • Page 71 8. Troubleshooting User Manual Alarms Cause Solution Test – DC switch OFF • Check frequency at the inverter test points • If Frequency measures high, adjust upper limit with permission from utility OV-G-F: Over • Inverter detects grid • Check LCD reading, may be a bad Grid Frequency Frequency as too high measurement circuit...
  • Page 72 8. Troubleshooting User Manual Alarms Cause Solution Reset Inverter • DC switch OFF. INI-FAULT: • Master and Slave DSP • Wait until all lights/LCD turn off. Initialization have different values • DC switch ON. Protection • Replace inverter. Inspect installation OV-TEM: •...
  • Page 73 • Inverter logic • Check Inverter DSP FW version by holding fault the “Enter” key for 10 seconds. If DSP version reads 00 contact Solis service or replace the inverter. Inspect installation • Grid current tracking • • • •...
  • Page 74 8. Troubleshooting User Manual Alarms Cause Solution Inspect installation • Check PV string wire insulation and connect ILeak-PRO: • Grid side current leakage one string at the time to the DC input. Leakage protection • Check AC wire insulation for any damage. current •...
  • Page 75 8. Troubleshooting User Manual Alarms Cause Solution IG-AD: Inspect installation • Grid current sampling by Abnormal grid • Restart the inverter. the inverter is abnormal current sampling • Replace Inverter. Inspect installation DSP-SelfCheck: • DSP Failed to enable • Restart the inverter. DSP self-check self-detection •...

  • Page 76: Specifications

    9. Specifications User Manual Model S6-GC25K-US 1000 Start-up voltage (Volts) 160...1000 580...850 Max. input current (Amps) 3x40 Max short circuit input current (Amps) 3x63 Rated output power (Watts) 25000 Max. output power (Watts) 25000 Max. apparent output power (VA) 25000 Rated grid voltage (Volts) 3/PE~480 Max.
  • Page 77 9. Specifications User Manual Model S6-GC33K-US 1000 Start-up voltage (Volts) 160...1000 580...850 Max. input current (Amps) 3x40 Max short circuit input current (Amps) 3x63 Rated output power (Watts) 33000 Max. output power (Watts) 33000 Max. apparent output power (VA) 33000...
  • Page 78 9. Specifications User Manual Model S6-GC36K-US 1000 Start-up voltage (Volts) 160...1000 580...850 Max. input current (Amps) 3x40 Max short circuit input current (Amps) 3x63 Rated output power (Watts) 36000 Max. output power (Watts) 36000 Max. apparent output power (VA) 36000 Rated grid voltage (Volts) 3/PE~480 Max.
  • Page 79 9. Specifications User Manual Model S6-GC40K-US 1000 Start-up voltage (Volts) 160...1000 580...850 Max. input current (Amps) 3x40 Max short circuit input current (Amps) 3x63 Rated output power (Watts) 40000 Max. output power (Watts) 40000 Max. apparent output power (VA) 40000 Rated grid voltage (Volts) 3/PE~480 Max.
  • Page 80 9. Specifications User Manual Model S6-GC50K-US 1000 Start-up voltage (Volts) 160...1000 580...850 Max. input current (Amps) 4x40 Max short circuit input current (Amps) 4x63 Rated output power (Watts) 50000 Max. output power (Watts) 50000 Max. apparent output power (VA) 50000 Rated grid voltage (Volts) 3/PE~480 Max.
  • Page 81 9. Specifications User Manual Model S6-GC60K-US 1000 Start-up voltage (Volts) 160...1000 550...850 Max. input current (Amps) 4x40 Max short circuit input current (Amps) 4x63 Rated output power (Watts) 60000 Max. output power (Watts) 60000 Max. apparent output power (VA) 60000 Rated grid voltage (Volts) 3/PE~480 Max.
  • Page 82 9. Specifications User Manual Model S6-GC30K-LV-US 1000 Start-up voltage (Volts) 180...1000 340...680 Max. input current (Amps) 3x40 Max short circuit input current (Amps) 3x63 Rated output power (Watts) 30000 Max. output power (Watts) 30000 Max. apparent output power (VA) 30000 Rated grid voltage (Volts) 3/PE~208 Max.

  • Page 83: Appendix

    10. Appendix User Manual Torque Parts Cover screws 1.5-1.7 ft.lbs Ground screws (Cover) 4.4-6.0 ft.lbs Ground screws (Internal) 11-15 ft.lbs AC terminals 11-15 ft.lbs 10.1 Temperature Derating Curve This chart describes the S6-GC(25-40)K-US inverter's Derating curve vs. Ambient temperature.
  • Page 84 10. Appendix User Manual This document describes the S6-GC(50-60K-US inverter's Derating curve vs. Ambient temperature.
  • Page 85 10. Appendix User Manual This document describes the S6-GC30K-LV-US inverter's Derating curve vs. Ambient temperature.
  • Page 86 10. Appendix User Manual 10.2 Input Voltage Derating 10.3 Output Voltage Derating...
  • Page 87 10. Appendix User Manual 10.4 Input Voltage Derating 10.5 Output Voltage Derating...
  • Page 88 10. Appendix User Manual 10.6 P-Q Capabilities at Nominal Output Power Inverter is capable providing reactive power of ±36kVAR at nominal grid voltage and rated ambient temperature. Chart below details inverter reactive power capabilities at various input voltages and various ambient temperature conditions.
  • Page 89 10. Appendix User Manual 10.7 P-Q Capabilities at Nominal Output Power Inverter is capable providing reactive power of ±30kVAR at nominal grid voltage and rated ambient temperature. Chart below details inverter reactive power capabilities at various input voltages and various ambient temperature conditions.
  • Page 90 10. Appendix User Manual 10.8 P-Q Capabilities at Nominal Output Power Inverter is capable providing reactive power of ±24kVAR at nominal grid voltage and rated ambient temperature. Chart below details inverter reactive power capabilities at various input voltages and various ambient temperature conditions.
  • Page 91 10. Appendix User Manual 10.9 P-Q Capabilities at Nominal Output Power Inverter is capable providing reactive power of ±21.6kVAR at nominal grid voltage and rated ambient temperature. Chart below details inverter reactive power capabilities at various input voltages and various ambient temperature conditions. 10.10 P-Q Capabilities at Nominal Output Power Inverter is capable providing reactive power of ±19.8kVAR at nominal grid voltage and rated ambient temperature.
  • Page 92 10. Appendix User Manual 10.11 P-Q Capabilities at Nominal Output Power Inverter is capable providing reactive power of ±15kVAR at nominal grid voltage and rated ambient temperature. Chart below details inverter reactive power capabilities at various input voltages and various ambient temperature conditions. 10.12 P-Q Capabilities at Nominal Output Power Inverter is capable providing reactive power of ±18kVAR at nominal grid voltage and rated ambient temperature.
  • Page 93 10. Appendix User Manual 10.13 Default Grid Setting for IEEE1547-2018 Adjustment Default Parameter Description (pu) Range (pu) Set grid over-voltage protection 01 value OV-G-V01 1.10≤V≤1.21 1.10Vn OV-G-V01-T Grid over-voltage protection 01 trip time 13 S 0.1≤t≤13 S Set grid over-voltage protection 02 value OV-G-V02 1.20≤V≤1.30 1.20Vn...
  • Page 94 10. Appendix User Manual 10.13 Default Grid Setting for IEEE1547-2018 Adjustment Default Parameter Description Range (pu) (pu) Set the time to ramp up to 90% of the new active 10 S 0.5≤t≤60 S Volt Watt P3Tau power target in response to the change in voltage Set the time to ramp up to 90% of the new reactive Volt Var Q3Tau 1≤t≤90 S...
  • Page 95 10. Appendix User Manual 10.14 Default Grid Setting for RULE 21 Adjustment Default Parameter Description (pu) Range (pu) Set grid over-voltage protection 01 value OV-G-V01 1.10≤V≤1.21 1.10Vn OV-G-V01-T Grid over-voltage protection 01 trip time 0.1≤t≤13 S 13 S Set grid over-voltage protection 02 value OV-G-V02 1.20≤V≤1.30 1.20Vn...
  • Page 96 10. Appendix User Manual 10.14 Default Grid Setting for RULE 21 Adjustment Default Parameter Description Range (pu) (pu) Set the time to ramp up to 90% of the new active 10 S 0.5≤t≤60 S Volt Watt P3Tau power target in response to the change in voltage Set the time to ramp up to 90% of the new reactive 1≤t≤90 S Volt Var Q3Tau...
  • Page 97 10. Appendix User Manual 10.15 Voltage and Frequency Protection Settings for 208VAC grid Adjustment Default Parameter Range V/pu/S/Hz V/pu/S/Hz OV-G-V01 132V 1.10≤V≤1.21 132≤V≤145.3 1.10Vn OV-G-V01-T 0.1≤t≤13 S 13 S OV-G-V02 1.20≤V≤1.30 144V 144≤V≤156 1.20Vn OV-G-V02-T 0.1≤t≤5 S 0.16 S 0.05≤V≤0.88 UN-G-V01 6≤V≤105.6 0.88Vn...
  • Page 98 10. Appendix User Manual 10.16 Voltage and Frequency Ride Through Settings...
  • Page 99 10. Appendix User Manual 10.17 VOLT - VAR IEEE1547-2018 Setting 10.18 VOLT - WATT IEEE1547-2018 Setting...
  • Page 100 10. Appendix User Manual 10.19 FREQUENCY DROOP Setting...
  • Page 101 10. Appendix User Manual 10.20 Product Certificate of Compliance...
  • Page 102 10. Appendix User Manual 10.20 Product Certificate of Compliance...
  • Page 103 10. Appendix User Manual 10.20 Product Certificate of Compliance...
  • Page 104 10. Appendix User Manual 10.21 Mechanical Dimension Drawing...
  • Page 105 Solis USA 12333 Sowden Road, Ste B Houston, TX, 77080 Tel: +1(866)438-8408 Email: usservice@solisinverters.com Web: www.solisinverters.com/us If you encounter any problems with the inverter, please take note of the inverter serial number and then contact us using the phone number or email listed above.

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