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Troubleshooting
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Summary of Contents for SolarMax S series
- Page 1 SolarMax S series 2000S /3000S /4200S /6000S Instruction manual...
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Page 2: Table Of Contents
About this instruction manual Target group Where to keep this manual Symbols used Safety instructions Appropriate use Description Technical configuration SolarMax 2000S/3000S Technical configuration SolarMax 4200S and SolarMax 6000S 3.2.1 Safety functions 3.2.2 Control functions External operating elements and dimensions Installation Transport and storage 4.1.1... - Page 3 Accessory components Operating status Status messages and status LED Booting Mains operation Display of the communications activity Troubleshooting 10.1 SolarMax Service Centre 10.2 Diagnosis & corrective steps 10.2.1 General troubleshooting 10.2.2 Warnings 10.2.3 Failures 10.2.4 Error 10.2.5 Blockings 10.2.6 Error messages during the initialisation phase...
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Page 4: About This Instruction Manual
About this instruction manual This instruction manual contains a description of the SolarMax S series string inverters 2000S, 3000S, 4200S and 6000S. It also tells you how to install, commission and oper- ate the inverter. Familiarize yourself with inverter functions and characteristics before you begin the installation work. -
Page 5: Safety Instructions
Safety instructions The string inverters of the S series contain the latest technological advances and have been built and tested to meet currently valid product safety standards. However, ignoring the safety instructions contained in this instruction manual can endanger the user, a third party or property. -
Page 6: Description
Description All SolarMax inverters work completely automatically. The DC circuit breaker is always on during normal operation. The inverter starts when there is enough input power and continues to operate until the available input power from the PV generator drops below the necessary minimum. -
Page 7: Safety Functions
3.2.1 Safety functions In order to ensure a high safety standard, SolarMax inverters feature integrated fault current monitoring on the DC side. If a fault current fl ows into the earth, the fault current monitoring system detects the differential current and interrupts the mains operation. -
Page 8: External Operating Elements And Dimensions
■ Monitoring of the power electronics ■ Monitoring of the heat sink temperature ■ Control of the graphics display ■ External communication via RS485 and/or Ethernet External operating elements and dimensions 545 mm 522 mm Graphics display with operation DC insulation switch... -
Page 9: Installation
Installation Transport and storage 4.1.1 Transport During transport and any interim storage period you must ensure that the ambient con- ditions (temperature and humidity) are always within the tolerance limits specifi ed in the technical data. Any longer term, unattended, and unprotected interim storage of the inverter in the open must be avoided. - Page 10 The inverters must not be installed in cabinets or enclosed recesses. ■ If different Solar Max models of the S series are installed, the following sequence must be adhered to from left to right: SolarMax 2000S, SolarMax 3000S, SolarMax 4200S, SolarMax 6000S.
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Page 11: Operating Conditions At The Site
(EN 61000-6-4). Cooling system Notwithstanding the high effi ciency of the SolarMax inverter, approx. 5 % of the power has to be dissipated in the form of heat. To this end the base of the device is made from cast aluminium, which ensures adequate cooling via convection and an additional fan. -
Page 12: Installation
– slide it along the rail leftwards up to the limit stop – Attach the SolarMax inverter with screws Use of other mounting rails If you mount the inverter on the mounting rails other than those included in the delivery the result is frequently too much distance between the inverter and the wall. -
Page 13: Electrical Connection
Electrical connection 4.7.1 Guidelines for electrical installation DANGER ■ Only qualifi ed electricians may install and start-up S series inverters. ■ The local regulations and guidelines for the installation of electrical devices must be followed. ■ All the feed lines to the inverter must be appropriate for the expected voltages, currents and ambient conditions (temperature, UV load, etc.). -
Page 14: Specifications Of The Built-In Overvoltage Protection
4.7.3 Specifi cations of the built-in overvoltage protection SolarMax inverters feature integrated surge protectors at the input and output. On the DC side 2 surge arresters (varistors) for the plus and minus terminal to earth are installed. On the AC side a surge arrester (varistor) is installed between the phase and neutral. All surge arresters meet the requirements of class D according to VDE 0675-6 or Type 3 according to EN 61643-11. -
Page 15: External Fault Interrupter (Rcd)
That is why the rated differential current of an external RCD must be at least 100 mA, for very large PV plants with several S series inverters it may also be necessary to use a 300 mA-RCD. Since the inverters in the S series are designed not to cause direct current fault currents on the AC end, an external type A RCD can be used. - Page 16 2000S 3000S 4200S 6000S Mains fuses (C characteristic) Minimum line 1.5 mm 1.5 mm 2,5 mm 4 mm line cross-section AC ■ We recommend using larger conductor cross-sections in order to minimise line losses. ■ The fl exible cable is connected to a junction box with a maximum length of one metre. From here the installation may be continued with a rigid TT cable.
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Page 17: Connecting The Inverters To The Pv Plant
4. Ensure that the strands are connected properly. 5. Snap the rear part of the socket onto the socket insert. 6. Tighten the screwed cable gland. Connecting the AC feed line The AC feed line can now be connected to the AC connection of the inverter. As soon as the correct position is reached, the connector slips onto the AC connection. -
Page 18: Connecting Status Signalling Contact (Optional)
4.7.8 Connecting status signalling contact (optional) The S series string inverters are equipped with a status signalling contact for remote monitoring as a standard. The inverter status can be detected with the potential-free relay contact. The contact is located on the front of the device between the DC and AC con- nections (see 4.7.2 “Overview of the electrical connections”). - Page 19 At night and when the DC end is shut down, the status signalling contact is idle. Specifications of the status signalling contact ■ M12-Stecker; den Stecker für das Kabel können Sie über das SolarMax Service Center beziehen. ■ max. Schaltspannung: 250 V / 30 V ■...
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Page 20: Connecting The Cable For Data Communications
4.7.9 Connecting the cable for data communications The inverters in the SolarMax S series have two RJ45 sockets for data communications within a MaxComm network: ■ The left-hand RJ45 socket (Pos. 5 in section 4.7.2) is only a RS485 interface. The RS485 interface is used for connections with other SolarMax inverters or accessories with the MaxComm interface. -
Page 21: Commissioning
NOTE ■ Thoroughly read the manual before starting initial start-up. Contact your grid op- erator or the SolarMax Service Centre if you have any doubt regarding the settings you must select. ■ You can restart initial start-up on the graphics display by pressing at any time. - Page 22 Menu “Plant type” for country setting “Germany”: Setting Description <= 3.68 kVA The maximum plant system rating is 3.68 kVA. > 3.68 – 13.8 kVA The plant system rating is higher than 3.68 kVA and/or is maximally 13.68 kVA. > 13.8 kVA – 30 kVA The plant system rating is higher than 13.68 kVA and/or is maximally 30 kVA.
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Page 23: Operation
Operation All SolarMax S series inverters work completely automatically and maintenance-free. The electrical isolating switch between the PV generator, inverter and the 230 V mains always remain activated. If enough irradiance is present, the inverter starts operating and feeds the output into the 230 V mains; otherwise, the device goes into a wait mode and in this way is ready to feed the mains at any time. -
Page 24: Switching Off The Inverter
Switching off the inverter DANGER ■ Even when the DC isolating switch is switched off, the components and connec- tions of the inverter are still live! ■ After disconnecting the inverter wait at least 5 minutes before opening the device to permit internal capacitors to discharge. -
Page 25: Menu Button Symbols
NOTE The whole measurement, control and communications electronics of the inverter is powered completely by the PV generator. That is why the use of the display unit and communications with the inverter are not possible at night or when there is too little irradiance. -
Page 26: Menu Structure
6.4.2 Menu structure * Only for country setting “Italy”. - Page 27 6.4.2.1 Main menu The main menu is the starting point for all the submenus and displays, see 6.4.2 “Menu structure”. Use the arrow keys to select a menu. Click to confi rm your selection. 6.4.2.2 Overview If none of the buttons are pushed for 120 seconds, the display returns automatically to the Overview menu which shows the three most important values as well as the current operating status.
- Page 28 6.4.2.3 Measured values The current inverter measured values can be accessed in the “Measured values” menu. Use the arrow buttons to navigate the measured values. Press the left button to return to the Main menu. The following measured values can be accessed: Measured value Description current PV generator voltage...
- Page 29 6.4.2.4 Statistics In the Statistics menu you can access the inverter’s internal data logger. The accessible statistics are for the most recent 31 days, 12 months or 10 years. The “Total” sub-menu contains the accumulated yield and operating data since initial start-up of the inverter. Use the button to highlight a statistic category.
- Page 30 Monthly statistics This menu provides access to the data from the most recent 12 months. Use the buttons to select a monthly statistic. Press the left button return to the Statistics menu. Parameter Description Yield Monthly yield Maximum Peak value of the output fed into the mains Hours Total operating hours during device status “mains operation”...
- Page 31 Total This menu lists the total yield and the total number of operating hours of the inverter since initial start-up. Press the left button to return to the Statistics menu. Reset In this menu you can delete all the entries in the Statistics menu. NOTE Once deleted this data is irretrievably lost! Press the...
- Page 32 NOTE MaxTalk 2 Pro, the extension to the standard MaxTalk 2 software, allows authorised skilled workers to individually adjust the operating parameters. The required “S series parameter confi guration using MaxTalk 2 Pro” instruction manual can be found on our website www.solarmax.com (Downloads area).
- Page 33 Parameter Description Unit Iac max Maximum admissible mains current (per shift) Iac mean max Maximum permissible DC-ratio of the fed-in system current Pac max Maximum effective power to be fed S max Maximum apparent power to be fed. Island detection Immediate grid disconnection when island operation detected Inactive/on Restart delay...
- Page 34 6.4.2.6 Settings The “Settings” menu allows you to edit various parameters: Press the left button to return to the Main menu. How to change the parameter values in the editing mode 1. Select parameters with the key; for example, Time. 2.
- Page 35 Device type (SM2000S, SM3000S, SM4200S, SM6000S) ■ Firmware version ■ Date of commissioning ■ Webadresse (www.solarmax.com) Use the keys to move through the menu. Press the left button to return to the Main menu. 6.4.2.8 Auto Test During the Auto Test procedure in mains mode the trigger threshold for AC voltage and frequency monitoring is varied linearly with a ramp of ≤...
- Page 36 NOTE ■ The Auto Test can be activated only if there is suffi cient irradiance and the inverter is connected to the mains and is in feed mode. ■ If a fault occurs during the tests or the irradiance is too low the Auto Test is aborted and the message “Auto Test aborted”...
- Page 37 toring value (f max 1) are displayed. – The condition of the frequency monitoring f max 1 is displayed. Minimum frequency (first limit) – The set frequency monitoring threshold f min 1 is displayed. – The threshold value is incremented linearly until it reaches the current mains fre- quency value and mains monitoring is triggered.
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Page 38: Data Communication
Data communication For PV plants equipped with SolarMax inverters, Sputnik Engineering offers the Max- Comm communications platform. This provides many ways of recording data and moni- toring your PV plant. Below is an overview of the current products. NOTE You can fi nd detailed information on our website at www.solarmax.com. -
Page 39: Configuration Of The Data Communication Interfaces
1023 since this range is reserved for predefi ned applications (referred to as “well known services”). NOTE You will fi nd more details about data communication in the technical information “MaxComm network”. This document can be downloaded from our website at: www. solarmax.com; downloads/data communication/MaxComm. -
Page 40: Options
Options Accessory components Below you will fi nd a list of other available accessory components. ■ MaxMeteo Unit recording irradiation data and cell temperature of PV modules ■ MaxCount Unit recording meter fi gures with S0 interface ■ MaxDisplay Interface for large display to visualise PV power plant data... -
Page 41: Operating Status
Operating status Status messages and status LED The status message in the graphics display describes the current operating status of the inverter. Each inverter status message belongs to one of the fi ve possible operating sta- tuses. The status LED always displays one of these operating statuses through a variety of colours. -
Page 42: Mains Operation
Mains operation Status-LED: Green Status message Description / Cause Maximum power The inverter limits the output to the maximum power of the device. This may happen if the solar generator is oversized. Mains operation The inverter is connected to the mains and is operating in feed mode. -
Page 43: Troubleshooting
Section 10.2, “Diagnosis & corrective steps” explains possible ways of correcting mal- functions. 4. If you cannot correct the malfunction using the recommended procedures, or you are not sure what sort of fault is involved, please contact our SolarMax Service Centre. 10.1 SolarMax Service Centre If you have technical questions or diffi culties our Service Centre would be happy to help you. -
Page 44: Diagnosis & Corrective Steps
10.2 Diagnosis & corrective steps The following tables describe possible measures for remedying failures. If the measures suggested do not correct the failure, please contact the SolarMax Service Centre im- mediately. 10.2.1 General troubleshooting Problem Cause Steps The display remains blank... -
Page 45: Failures
10.2.3 Failures Status LED: orange Status message Cause Steps Vdc too high The DC input voltage of the Immediately disconnect the DC inverter is too high. insulation switch. Check module confi guration. Ierr too high The DC leakage current has Check the PV generator. -
Page 46: Error
The following faults occur only during the inverter initialisation phase and indicate a de- fect in the inverter (device fault). Display status LED: does not glow Error message Steps SUPPLY FAULT ADC REFERENCE ERROR Notify the SolarMax Service Centre. ERROR EEPROM CONFIGURATION ERROR IRRADIANCE TOO LOW Wait until irradiance is high enough. -
Page 47: Maintenance
11 Maintenance SolarMax inverters are basically maintenance-free. However, to ensure perfect operation over the course of several years, in addition to regular controls of the operating and yield data via the inverter display or remote monitor we also recommend having the simple maintenance work described below performed at regular intervals. -
Page 48: Disposal
4. Pull out the MC4 connector and fasten the protective covers of the plug-in connectors. 5. Check whether the heat sink (device base) has cooled off enough. 6. Remove the two screws left and right and remove the inverter from the mounting rail. 13 Disposal Please dispose of the inverter at the end of its service life in compliance with the disposal regulations currently valid where it is installed. -
Page 49: Specifications
14 Specifi cations 14.1 Specifi cations SM 2000S SM 3000S SM 4200S SM 6000S Input values MPP voltage range 100 V…550 V Minimum voltage for 190V 260V 200V 220V rated power Maximum DC voltage 600V Maximum DC current 22 A Connection type Output values Rated output power... - Page 50 15 kg dimensions Dimensions in mm 545 x 290 x 185 (L x H x W) Warranty Standard 5 years / extension to 10, 15, 20, or 25 years possible 1) only the inverters SolarMax 4200S and SolarMax 6000S 2) Portugal...
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Page 51: Efficiency Curve
14.2 Effi ciency curve Efficiency SolarMax 2000S η η η relative (250 V (300 V (400 V 85.2 85.8 87.1 89.8 90.2 93.2 93.2 93.5 94.8 94.6 94.7 95.6 95.4 95.6 96.1 1800 95.2 95.4 96.0 European efficiency 94.4 94.6 95.4... - Page 52 Efficiency SolarMax 4200S η η η relative (250 V (300 V (400 V 90.8 91.0 92.8 93.6 93.8 94.5 94.6 95.1 95.8 1140 94.8 95.4 96.1 1900 95.0 95.5 96.2 3800 94.4 95.0 95.6 European efficiency 94.6 95.1 95.8 Efficiency SolarMax 6000S η...
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Page 53: Temperature-Dependent Output Reduction (Power Derating)
14.3 Temperature-dependent output reduction (power derating) 14.3.1 SM2000S The SM2000S inverter can feed maximum power up to an ambient temperature of 55 °C. At an ambient temperature of 60 °C ,90 % of maximum power continues to be fed in. For this reason ambient temperatures over 55 °C must be strictly avoided. - Page 54 SM3000S SM4200S...
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Page 55: Country Specific Settings
SM6000S 14.4 Country specifi c settings Parameter (FW.Rel.6.1) Unit Germany Spain > 3.68 – > 13.8 – <= 3.68 kVA > 30kVA <= 13.8 kVA <= 30 kVA 0126-1-1 Vac min 1 t Vac min 1 1500 Vac max 1 t Vac max 1 1500 Vac min 2 t Vac min 2... - Page 56 Parameter (FW.Rel.6.1) Unit Germany Spain > 3.68 – > 13.8 – <= 3.68 kVA > 30kVA <= 13.8 kVA <= 30 kVA 0126-1-1 - Vac MC min - f MC max 50.05 50.05 50.05 54.5 50.2 50.5 - f MC min 47.5 47.5 47.5 45.5...
- Page 57 Parameter Unit Italy France Belgium Czech Republic CEI 0-21: CEI 0-21: > DK 5940 <= 3 kW 3 kW – 6 kW Restart delay Mains check On/Off - Vac MC max - Vac MC min - f MC max 54.5 50.1 50.1 50.2 50.05 50.2 - f MC min 45.5...
- Page 58 Parameter Unit Greece Greek Portugal Great Britain Islands G83/1-1 G83/2 G59/2 df/dt max Hz/s Ierr max Iac mean max 0.5% of Iac max 0.5% of Iac max 1000 0.25% of Iac max 0.25% of Iac max 0.25% of Iac max Restart delay Mains check On/Off...
- Page 59 Parameter Unit Switzerland Slovenia Bulgaria Romania Croatia Turkey Ierr max Iac mean max 1000 1000 1000 1000 1000 1000 Restart delay Mains check On/Off - Vac MC max - Vac MC min - f MC max 50.2 50.2 50.2 50.2 50.2 - f MC min 47.5...
- Page 60 Parameter Unit China Israel Australia Others Mains check On/Off - Vac MC max - Vac MC min - f MC max 50.5 54.5 54.5 - f MC min 49.5 45.5 45.5 - t MC monitoring Island Detection On/Off Pac progression %/min P(f)-Mode 2/3/Off...
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Page 61: Guarantee
15 Guarantee Sputnik Engineering AG (hereafter: Sputnik) guarantees full function and lack of defects of its tech- nical devices for a guarantee period specifi cally defi ned for each type of device. This guarantee period starts to run at the moment the goods leave Sputnik’s factory. Exceptionally, in case of sale of goods to natural persons for non-commercial / private purposes, the guarantee period starts to run only from the time of delivery to the end-buyer. - Page 62 In any case, guarantee-services of Sputnik are only free of charge if Sputnik has been contacted in advance and has agreed to the services to be provided. In a guarantee case, the buyer may require an appropriate reduction of the price or have the contract rescinded: ■...
- Page 63 Certificate EC Declaration of Conformity for grid-connected photovoltaic inverters SolarMax 2000S / 3000S / 4200S / 6000S made by Sputnik Engineering AG Höheweg 85 CH-2502 Biel/Bienne directives: ■ EMC Directive 2004/108/EC ■ Low Voltage Directive 2006/95/EC The products comply with the following standards:...
- Page 64 SolarMax Service Center Deutschland +49 180 276 5 276 Schweiz / Svizzera / Suisse +41 32 346 56 06 France +33 4 72 79 17 97 Italia +39 0362 312 279 España +34 902 160 626 Benelux +32 2 535 77 32 Česká...
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