USER MANUAL - Power Master Technology Co.
Contents
1. ox amt a E a n as drawing O Hz or 6 2 9 Output Current Supplied to Loa o ICN CIL 6 2 10 Output Power Supplied to Load as drawing P P LOAD G n l A 6 2 11 Energy KWH Supplied to Load as drawing Q Q oo O CI CI Chew aa fn 6 2 12 INVERTER Inner Temperature C Hy as drawing R JJ O w ee wa m ney n l jme u n o k 6 2 13 Heat sink Temperature C F as drawing S PCS S 1P HE 26 6 3 Inverter status descriptions The GT starts up automatically when DC power from the PV panel is sufficient Once the PV Inverter starts it enters into one of the following status Operation bai In this mode the GT works normally Whenever the supplied power from LINE IPV panel is sufficient converts power to the grid as _ generated by the PV panel In normal mode the green LED is on to indicate that it feeds power to the grid amal m EN f 7 n v S00VDC gt PV gt 120VDC the GT If the power is insufficient 60VDC lt PV lt 120VDC the GT enters into a standby mode but attempts to connect to the grid standby The internal intelligent controller can continuously monitor and adjust the system status If the GT finds any Error unexpected conditions such as grid LINE problems or internal failure it will sss display the information on its LCD and i u L r it light up the red LED Emergency Power Off2. Mode In this EPO mode the GT does not take any power from the grid In case of little or no sunlight The GT automatically stops running In this mode the GT does not take any Shutdown power from the grid The display and all of the LEDs on the front panel do not work 2 7 The communications interface 7 1 Standard communications interface 7 1 1 RS232 interface definition The RS232 interface shall be set as follows Baud Rate 9600 bps Data Length top Bit The Pin Assignments of true RS232 type The pin assignments of true RS232 type are illustrated as follows Pin 2 RS232 Rx Pin 3 RS232 Tx Pin 5 Ground 28 7 2 Option communication card 7 2 1 Hardware Installation Procedure Put the communication card into the slot 29 T 22 RS 485 card CNI is for the function of the terminal resistor Short pin1 2 to enable the function and short pin2 3 to disable it CN2 is RS485 terminal Definition CN2 1 gt Ground 2 gt A Datat 3 gt B Data 30 7 2 3 7 2 3 1 1 2 3 2 7 2 3 3 7 2 3 4 7 2 3 9 USB card CN2 for USB Definition Comply with USB version 1 0 amp 1 5Mbps Comply with USB HID Version 1 0 The Pin Assignments of the USB card 1 gt VCC 5V 2 gt D 3 gt D 4 gt Ground 31 7 2 4 7 2 4 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 7 2 4 2 7 2 4 3 True Relay Contact Board DCE B card The pin assignments of 1
3. fail BOOSTER_A over current E126 BOOSTER _B over current Rating setting of Driver board is not match EEROM of Control board Er00O E N N Er25 Er30 Inverter Output over current Er11 Inverter over load Er13 INVERTER short circuit Er14 INVERTER PLL fail Description The Inverter is in soft start procedure but the DC Bus can not reach and maintain anticipative charging voltage abnormal The DC BUS inside is lower or high than expected be discharged down The Inverter Output Relay is abnormal The Inverter Output Current fails to detect Over current on the DC side This fault code is displayed if the current in the DC network is larger than specified EEPROM Data is wrong Inverter enters into EPO mode Emerge Power Off Over current on the AC side This fault code is displayed if the current in the AC network is larger than specified Overload on the AC side This fault code is displayed if the load in the AC network is larger than specified Short circuit on the AC side The phase of Inverter can t synchronize with the utility 34 Repair Disconnect ALL PV or PV Wait for few seconds After the LCD switches off reconnect and check again If error code keeps recurring contact your local distributor Remove the short circuit occurred at the EPO terminal If error code keeps recurring contact your local distributor Turn off AC
4. page 3 to 4 before installing the PV INVERTER 4 1 Unpacking Inspect the PV INVERTER upon receipt The manufacturer designed robust packaging for your product However accidents and damage may occur during shipment Notify the forwarder and dealer if there is damage The packaging is recyclable save it for re use or dispose of it properly Remove the INVERTER from the carton box Check the package contents Standard content shall include v 1 set of accessories Y 1 set of data CD ROM v 1 set of mounting frame Accessories Kit as below Unit mm 4283 0 36020 5 g a a OBA6 0x 12mmx 1 LCD amp LED Display Showing the operation information and status of the inverter 2 Solar array input Plug and play connectors for connection of the solar modules The PM 2000GT PM 3000GT only have one PV string input 3 Standard communication Port EPO amp RS232 44443 0 4 Optional communication slot USB RS485 Dry contact TCP IP 5 AC output terminal AC output for the utility supply ed o PM 4000GT PM 5000GT PM 2000GT PM 3000GT 4 2 Installation Requirements 2 The GT is designed to be mounted on a vertical wall If installing the unit outdoors make sure that it is not slanting forward The GT is heavy Take this weight into account when choosing the installation site and method of installation V We advise against installing the unit in a horizontal position outdoors To ensure p
5. 0 Pin Terminal 1 2 3 4 5 6 7 8 Pin 1 Voltage of utility is abnormal PV strings voltage is normal PV strings voltage is abnormal Frequency of utility is abnormal Anti islanding Output current of inverter is exceeds range Temperature of Heat sink is too high Common The capacity of each relay contact is 40Vdc 25mA Flexible signal output for N C Normal close or N O Normal open contact by shorting pin1 2 or pin2 3 from of JP1 5 32 7 2 5 TCP IP Cards 7 2 5 1 TCP IP Ethernet card 7 2 5 2 For installation please refer to the user s manual attached with the card 33 8 Inverter Status diagnostics and repair The GT is equipped with a self diagnostic system that automatically identifies a large number of possible operation issues by itself and displays them on the LCD screen Therefore it is possible to quickly isolate technical issues and to distinguish between Service Codes related to the installation versus Service Codes which are internal to the inverter Whenever the self diagnostic system has identified a particular issue the respective Service Code is displayed on the LCD screen Table 2 Inverter error code and error code description PN Designation indicate g DC_BUS pre Charge fail Er03 INVERTER voltage abnormal Er07 DC_BUS over voltage Er08 DC_BUS under voltage Er17 EEPROM ERROR on the control board Er19 DC_BUS discharge fail Er22 Output Relay fail Output Current sense
6. 000GT Conversion Sine wave Current source High frequency PWM Inverter Mode Technology Isolation Method DC Input Data Nominal DC Voltage 360 VDC Max DC input Voltage 500 VDC Working range 120VDC 500VDC Max DC input current Each MPPT Tracker ieee 22 Amp 14 Amp 17 65 Amp MPPT Range 150 VDC 450 VDC MPPT Tracker AC Output Data o Nominal AC Power 2000 3000 4000 5000 Max AC Power 2200 3300 4200 5300 Nominal AC Voltage AC 230V Output Connect Method 1 Phase 2 Wires L N G or 1 Phase 3 Wires L1 L2 G AC Voltage Rang 184 264 5Vac Base on 230 Vac Nominal AC Current 8 7Amp 13Amp 17 4Amp 21 7Amp 50 60Hz Auto Selection 47 5 50 2 Hz or 59 3 60 5 Hz gt 0 99 with nominal AC current Transformer less Design Power Factor Curent Distortion Total Harmonic current Less than 5 Single Harmonic current Less than 3 _EfficiencyData CEC efficiency Environmental 25 C 50 C Operating Temperature 13 F 122 F Humidity 0 to 90 Without condensation Altitude 0 2000 M 0 6600 ft Mechanical o OSO Dimensions 455 x 430 x 170 18 x 17 x 6 7 455 x 510 x 170 18 x 20 x 6 7 H x W x Din mm inch Weight Kgs Lbs 23 51 28 62 Protection Class IP65 outdoor AC Connector Terminal 37 DC Connector Multi Contact Communication oo Standard RS232 Communication Interface Optional USB RS485 Dry contact TCP IP Boost input Voltage Boost input Current Boos
7. DC soft start of the inverter is successful the LCD display will illustrate drawing D The Green LED still a Li 4 flashes flickeringly LINE D 22 pcs 101 v H ic U 6 1 5 After 10 seconds if the AC soft start of inverter is successful the LCD display will illustrate drawing E LINE _ HA PCS LOAD A tit NIC 22 6 1 6 If the inverter is in failure ex Output Current Over Range then an error code or error status will be shown on the screen EX Drawing F LINE F a PCS LOAD N j i Crin 6 1 7 If start up operation of the inverter is completely and successful The LCD display will illustrate drawing E 6 2 Check Measured Values amp Figures detected by INVERTER If you would like to check the measured values amp figures detected by the Inverter please use scroll up and scroll down key pads When you use scroll down key pad the LCD display will illustrate as 6 2 1 Input DC Voltage of String A as drawing G 6 2 2 Input DC Voltage of String B as drawing H 23 6 2 3 6 2 4 6 2 5 6 2 6 6 2 7 Input DC Current of String A as drawing I iL J Input DC Current of String B as drawing J A L LI E 1 Output Power of Booster A as drawing K Output Power of Booster B a Output Voltage of Inverter Utility Voltage as drawing M A A LINE A DH 24 6 2 8 Output Frequency of Inverter Utility Frequency as drawing N LINE A
8. Power Master GT SERIES Solar Grid tie Inverter 2000W 5000W Installation and Operation Manual USER MANUAL Nn Contents POPC W Ol T o ME A AE E A EAE T 2 IMPORTANT SAFETY INSTRUCTIONS ee eeeeeeeesssseesesesssessssessaaas 3 OVER REVIEW ocre E E E se 5 3 1 Extemal dimensions sssri erara e Actions 5 i2 Um DOSED spiecatse asec nso cssceasadesasacceacacastacseeonsiusceaaneanesacsncoseantusssressece 6 PEAS AN NOT a choerh atcha E ena Senate E 7 4 1 MUI ACN sls sat cases E A E E E A 7 4 2 Installation Requirements ssscinisccisiseriiirscrriiisiiitirniinsii inn 8 4 3 Mo n ne AN A sca tes ee sesncctseecescauecavecenseecd enesepncseeeenncaueeaasieeeaeectans 10 4 4 Electrical installati t 25cd csseeasneupssecanddeteanccbeeansecdsadacdeesasuseteedsececotett 13 Front panel Functional DeSCTriptions ccc cecccccccccccsssssssseeseseeeeeeeeeeeeeeeeeeeaaas 18 Starine the MSL sesse EEROR 21 6 1 Operation Test and Installation Instruction cccccseeeeeeeeeeeees 21 6 2 Check Measured Values amp Figures detected by INVERTER 23 6 3 Inverter status CESCHIPTIONS sa2 ccsvesiasassdevaateuseuavosdiatvassiesovenwsaeeceaidaraaess 27 The communications Interface cccceccccccceeecccceeaseeeaeessesessseeeeeeeeeeeeeeeeeaaaas 28 7 1 Standard communications interface 2 0 cccccssssseeeseesseeeeeeeeeeeees 28 72 Option communication Card cscs25c03sss ntesesescenseediacecalesenasbsdieessdvasdessaes 29 Inverter St
9. T unit PV module Before connecting the solar modules you must check whether the voltage parameters specified in the manufacturer s data correspond with the actual parameters When checking the voltage reading please take into account that solar modules supply a higher no load voltage when temperature is low and sunlight level remains unchanged At 14 F 10 C the open circuit voltage of the PV modules must never exceed 500 V The data sheet of the solar module will tell you the temperature factors applicable for ascertaining the theoretical open circuit voltage at 14 F 10 C If the solar modules exceed an open circuit voltage of 500 V the GT might be damaged and all warranty right will be voided The GT includes a Residual current monitoring unit RCMU according to VDE0126 1 1 This device measures the ground current of the PV array and prevents the inverter from feeding the grid in case of a ground fault Grid connection Only appropriately licensed contractors are authorized to connect the GT to the grid Consult your local authorities for specific requirements Before connecting the GT to the grid permission for the connection must be granted by the utility company 3 OVER REVIEW 3 1 External dimensions H Front view Module number a ee 666006 oo eseo Bottom view PM 2000 3000GT 170 PM 4000 5000GT 3 2 Unit Description 4 Installation Read the Safety Instruction guide
10. atus diagnostics and LePall ccecccccccccccccesessssseesseeseeeeeeeeeeeeeeeeeeaas 34 Pee oe E A E E E E 37 1 Foreword Thank you for buying this inverter Many years of experience in the design of power device have gone into construction of this device We hope that this device will also give your solar system many years of trouble free operation However it should be mentioned that an inverter is a complex electronic system which is also confronted with a wide variety of local conditions If questions arise or a malfunction occurs do not hesitate to call your specialized dealer He or she will try to help you as quickly and straightforwardly as possible Please read this user s guide carefully to familiarize yourself with the device Remember to pay special attention to the information on installing and commissioning the device 2 IMPORTANT SAFETY INSTRUCTIONS General This manual contains important instructions for the PM 2000GT 3000GT 4000GT SOOOGT that shall be followed during installation and maintenance of the inverters Housing Only qualified installers are authorized to open the connection area Do not open the connection area when the inverter is in under voltage condition Only well trained service staff may open the upper portion power stage of the inverter and only when it is not in under voltage condition Repair Only well trained service staff is authorized to carry out repairs to the G
11. aximum energy harvest from your array ensure that the Vmp voltage at maximum power does not drop below 150 Vdc or increase above 450 Vdc under most conditions To wire the PV array to the GT Inverter follow these steps Step 1 Check that the PV generator connectors have the right polarity and do not exceed the maximum string voltage Step 2 Connect the POSITIVE wire from the 1 PV string to PV Inverter positive connect Step 3 Connect the NEGATIVE wire from the 1 PV string to PV Inverter negative connect Step 4 Connect the GND wire from the 1 PV string to PV Inverter GND connect Step 5 If necessary repeat step 2 and Step 4 for the 2 PV string Double checks that the wires are in the proper locations 17 solar Panel String A Solar Panel String B Fig 5 DC Connections for a Two String PV Array 5 Front panel Functional Descriptions 0006 Power laster 5687 18 Symbols on the LCD Display Panel Solar Cell Inverter operation mode Flow Chart e 4 Digits Measurement Displa TIE 19 6 Starting the inverter 8 input isolation fault A YELLOW LED steadily lights up to indicate that the utility ex Voltage The housing cover is securely screwed tight frequency etc is not matches with the input standard of the inverter Ensure the AC breaker is OFF Green LED steadily lights up to indicate that the Solar Cell power is than sleep power the LED f
12. breaker then check the peripheral AC system configuration and the grid conditions If error code keeps recurring contact your local distributor for help Er10 Inverter Over temperature high INVERTER output DC Current over spec The internal temperature is too Heat sink Over temperature too high The DC component of the electricity fed into the grid is longer than permissible range The Hest sink temperature is 35 1 Try to reduce the ambient temperature 2 Move the inverter to cooler place 3 If error code keeps recurring contact your local distributor for help Table 3 Grid fault alarm code and alarm Code Description i Over Voltage Utility Voltage Greater or Smaller than the Utility Voltage permissible value Under Voltage ALO2 Utility Voltage Over Frequency Utility Frequency Greater or Smaller than the AL03 Utility Voltage permissible value Under Frequency BOOSTER_A Input ARNG Over Voltage BOOSTER_A Input Under Voltage BOOSTER_B Input AEP Over Voltage BOOSTER_B Input ASU Under Voltage AL08 Anti Islanding 1 Wait for 1 minute if the grid returns to normal the inverter automatically restarts Check grid connection such as wires and connectors Make sure grid voltage and frequency meet the proper specifications If error code keeps recurring contact your local distributor for help 1 Disconnect ALL PV or PV 2 Check the op
13. d on terminal block L1 means LINE black N means Neutral White L2 means LINE2 Red G means system ground yellow green as shown in Fig 3 230Vac a b Fig 3 Step 5 Fix the housing cover of the GT and evenly tighten the four screws X To prevent risk off electric shock ensure the ground wire is properly earthed before operating the PV Inverter X Suggested cable width for AC wire 15 4 4 2 Connecting the PV Array DC 4 4 2 1 PV Module requirements The GT is designed to be connected to two input connecter terminal for PM 2000 3000 4000 SO00GT It is must with the same PV module string number to String A and String B for PM 2000 3000GT but it is allowed with the same or different PV module string number to String A and String B for PM 4000 SOO0GT 4 4 2 2 Wiring to PV Module The GT is equipped with PV quick connects for connecting up to two PV strings PV quick connects Fig 4 X The Guidelines for Matching PV Array to the GT PV Inverter Input for determining the number of panels required in the PV string panels connected in series you must ensure that the following three requirements are met 1 To avoid damage to the inverter make sure the maximum open circuit voltage Voc of each PV string is less than 500 Vdc under any condition Voltage over 500 Vdc will damage the inverter 16 2 Do not exceed the maximum array short circuit current rating marked on the inverter 3 To achieve m
14. e for mounting the inverter using the wall mounting bracket is described on the following pages 10 4 3 1 Installation step Step1 Fit the wall mounting bracket To mark the positions to drill the holes you can use the wall mounting bracket as a drilling template Drill the holes Step2 Now hang the GT onto the wall mounting bracket using its upper mounting plate so that it cannot be moved sideways 11 Inverter Step3 Make sure that the GT is positioned securely on the bracket 12 4 4 Electrical installation The complete installation for the GT is shown schematically in the following diagram Fig 1 Optional communication ail AC connection String A String B Fig 1 13 4 4 1 Connecting to the grid AC utility To connect the AC cable proceed as follows Step 1 Measure grid s utility s voltage and frequency X The voltage and frequency of Utility are depended on different setting in each country Step2 Before wiring the PV Inverter ensure the main breaker in the primary utility breaker box is switched OFF Switch this breaker ON only after all wiring 1s completed as instructed in the procedures Step3 Remove the screws that secure the case of the GT and carefully remove the cover Remove the connection from the cover as shown in Fig 2 pjes Fig 2 14 Step 4 Insert utility wires through cable gland Connect wires according to polarities indicate
15. en PV voltage is outside the 120Vdc 500Vdc 3 If PV voltage is normal and the problem still occurs contact your local distributor for help Over or Under voltage at DC input Disconnect ALL PV or PV 2 Check grid connection such as wires and connectors Phase of Utility is AL 13 fail No Utility or Utility fail 3 Check grid usability 4 lf Utility is normal and the error code AL14 Waveform of Utility keeps recurring contact your local is fail distributor for help Shut down inverter Unplug PV generator from the input Inverter Voltage Check grid usability and Restart Waveform is in inverter plug PV generator from the unbalance input If error code keeps recurring contact your local distributor for help Unplug PV generator from the input check AC peripheral system After the problem is cleared re plug the PV Check the PV Inverter status If error code keeps recurring contact your local distributor for help Disconnect ALL PV or PV Check the impedance between PV between PV amp PV amp PV and Ground The and Ground is smaller impedance must be larger than 2MQ than 1MQ If error code keeps recurring contact your local distributor for help Inverter Voltage unbalance Leakage current on ground conductor is too high The impedance is Isolation Fault 36 9 Specifications i PM 2000GT PM 3000GT PM 4000GT PM 5
16. lashes flickeringly to indicate that s Ensure the DC cables PV strings are fully connected the Solar Cell power is smaller than sleep power Eog a 6 1 Operation Test and Installation Instruction 6 1 1 Connect the PV string voltage by switching on the DC circuit A octoprevouspage O breaker The Inverter starts automatically when it receives DC voltage greater than 120V4 All of the LEDs will light up The To re confirm the change of Inverter Setting LCD display aaae drawing A ol v kem ooo E FI N E z gt Low Ll IILI T F C Ensure the AC utility cable is connected correctly EEE A aru L PCS LOAD A 6 1 2 After 3 seconds the LCD display will illustrate from drawing A to drawing B1 and B2 The Green LED flashes flickeringly to indicate that the DC input power is smaller than sleep power The yellow LED steadily lights up to indicate that no utility exists B1 SE ecs MINY man LELEI 20 21 B2 sr 1 sas PCS i 6 1 3 Turn on the AC breaker If Utility specification ex Voltage frequency etc is matched with the specs of the inverter after 300 seconds the LCD display will illustrate drawing C And the Yellow LED will go out to indicate that the utility 1s acceptable by the inverter If Utility s specification ex Voltage frequency etc 1s not matched with the specs of the inverter then an error code or error status will be shown on the screen c Bc Ae 6 1 4 After 5 seconds if the
17. roper operation and long operating life always pm 4000GTPM 5000GT 29KG l PM 2000GT PM 3000GT 27KG position the Inverter according to the following requirement 1 The GT is designed for outdoor installation z z 25C 50C e e and should be installed in a place where it is gt Install the inverter vertically or Never install the inverter horizontally not exposed to direct sunlight The yield of ry tilting backward or so that it tilts forward ae E S ay ECE E EAE 3 When choosing the installation site ensure there is enough space for heat dissipation A E EEUE OWE ai aE Under normal conditions the following guidelines should be applied for the space to poorly ventilated and warm indoor locations be kept clear around the inverter We advise the ambient temperature inside the a 25 C to 50 C range Relative humidity non condensation 0 90 Minimum Clearance Sides 20 cm Top 20 cm Underneath 20 cm Front 5 cm 4 3 Mounting the unit We recommend you to use the supplied wall mounting bracket to mount the GT For vertical installation and installation on solid concrete or block walls when selecting the mounting materials be sure to take into account the weight of the GT Mounting flanges Mounting flanges If you do not want to use the supplied wall mounting bracket as a template observe the dimensions shown in the drawing above The procedur
18. t input Power AC output Voltage AC output frequency AC output current AC output power AC Energy yield Inner Temperature Heat sink Temperature Status message Error message Fee Leakage current fault or DC input isolation fault LED Spec of Utility is not matches with the Utility specifications of Yellow the inverter Green Solar Cell power is greater or smaller than sleep power Key Pad UP key Down key Function key Enter key Protection Over under Voltage Over under Frequency Ground fault DC Isolation fault Active Reactive power control Tf the isolation is necessary option one extra transformer The rated range should be 150Vpc 500Vpc in order to get the rated output 38
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