Autarco S2.UX40000, Installation And Operation Manual

Page 1: ... Autarco Group B V IM S2 UX EN V1 4 Installation and Operation Manual Solar Inverters UX series ...

Page 2: ...r Information This manual is an integral part of the unit Please read the manual carefully before installation operation or maintenance Keep this manual for future reference Product information is subject to change without notice All trademarks are recognized as the property of their respective owners Autarco Group B V All rights reserved ...

Page 3: ...arance 12 4 5 Mounting procedure 13 5 Electrical installation 14 5 1 Grounding 14 5 2 AC connection 16 5 3 Additional Protections 19 5 4 DC connections 20 5 5 Inverter commissioning sequence 21 6 Operation 22 6 1 LED indicator lights 22 6 2 Inverter display 22 6 3 Information 22 6 4 Settings 24 6 5 Advanced info 25 6 6 Advanced Settings 26 6 7 Temperature derating 28 6 8 External fan 28 7 Monitori...

Page 4: ...s safety instructions which if not correctly followed could result in burns 1 2 Target Audience This manual is intended for anyone who uses Autarco UX series inverter Before any further action the operators must first read all safety regulations and be aware of the potential danger to operate high voltage devices Operators must also have a complete understanding of this device s features and funct...

Page 5: ... UX50000 S S2 UX60000 S S2 UX50000 HV S S2 UX60000 HV S S2 UX70000 HV S The S2 In the product code means the product is a grid tied inverter The item code or SKU will include an additional number at the end The final number references the default grid standard and colour of inverter For example S2 UX50000S 1 is the 50kW model with Dutch grid standard as default and Autarco blue cover If the produc...

Page 6: ...dance with IEC 61730 class A WARNING The PV inverter will become hot during operation please don t touch the heat sink or peripheral surface during or shortly after operation NOTICE Do not directly connect AC output of the inverter to any private AC equipment The PV inverter is designed to feed AC power directly into the public utility power grid WARNING The installation service recycling and disp...

Page 7: ...is directly connected to public grid All work to the inverter shall be carried out by qualified personnel only There might be residual currents in inverter for up to 10 minutes because of large capacitors ATTENTION This device is directly connected to electricity DC generators and the public AC grid DANGER HOT SURFACES The components inside the inverter will get hot during operation DO NOT touch a...

Page 8: ...g extremely reliable solar power solutions Key features Maximum efficiency of 98 8 Wide MPPT voltage range Low turn off voltage High enclosure protection class IP65 Intelligent redundant fan cooling Standard ten year product warranty Multiple monitoring options Optional integrated DC switch For full specifications please see chapter 11 Product specifications 3 2 Product identification You can iden...

Page 9: ...ATION D LED light ALARM E LCD display 2x16 characters F Escape key G Up key H Down key I Enter key J DC switches optional K DC inputs MPPT 1 4 L External Intelligent Fans M Communication ports N AC terminal block and cover B C D E F G H I J K L M N The S2 UX40000 S and S2 UX50000 S have two fans the S2US60000 S has three fans ...

Page 10: ...on conditions Direct exposure to intense sunshine is not recommended 4 2 Appropriate Mounting Location The heat sink can reach a temperature of 75 C under operation Make sure the mounting wall is strong enough to hold the weight of the inverter The ambient temperature of installation site should be between 20 C and 60 C Make sure of ample ventilation at installation site insufficient ventilation m...

Page 11: ...re required to remove the inverter from the carton and install the inverter Handles are formed into the heatsink for ease of handling the inverter The inverter is suitable for outdoor and indoor installation Vertical installation is recommended with a maximum inclination of 15 backwards Max 15 ...

Page 12: ...are out of reach of children WARNING When installing multiple inverters make sure there is sufficient clearance between them High temperatures may affect performance Observe the following minimum clearances to walls and other inverters Min 500mm Min 500mm Min 500mm Min 500mm ...

Page 13: ...1 4 13 4 5 Mounting procedure Step 1 Mount the wall bracket onto the mounting wall with appropriate screws plugs Step 2 Lower the inverter onto the bracket Step 3 Use screws in the packaging to fix the bottom of the inverter to the mounting bracket ...

Page 14: ... options for ground protection through grid terminal connection and external heat sink connection If AC terminal is used to connect ground please refer to the contents of 5 3 2 If the heat sink is used to connect the ground please follow the steps below 1 Prepare the grounding cable recommended to use the 16 35mm outdoor copper core cable 2 Prepare OT terminals M6 IMPORTANT For multiple inverters ...

Page 15: ... is 2 3mm longer than A OT cable terminal crimping area 4 Insert the stripped wire into the OT terminal crimping area and use the hydraulic clamp to crimp the terminal to the wire as shown in Figure 5 8 IMPORTANT After crimping the terminal to the wire inspect the connection to ensure the terminal is solidly crimped to the wire 5 Remove the screw from the heat sink ground point ...

Page 16: ...trical distribution grid must be performed only after receiving authorization from the utility that operates the grid The AC cable used must be dimensioned in accordance with any local and national directives on cable dimensions which specify requirements for the minimum conductor cross section Cable dimensioning factors are e g nominal AC current type of cable type of routing cable bundling ambie...

Page 17: ...emble the AC grid terminals are listed as follows A Strip the end of AC cable insulating jacket about 90mm then strip the end of each wire as shown in figure 5 17 Figure 5 17 Strip AC cable NOTE L2 insulation stripping length is 2mm 3mm longer than L1 OT cable terminal crimping area B Strip the insulation of the wire core insert into the cable crimping area of the OT terminal then use a hydraulic ...

Page 18: ...slide and pull out the terminal E Insert the cable through cap nut water proof bushing and AC terminal cover into the AC terminal and use a socket wrench to tight the screws The torque is 4 6Nm as shown in figure 5 20 Figure 5 20b Connect cable to AC terminal ...

Page 19: ...distribution grid must be performed only after receiving authorization from the utility that operates the grid Always use separate fuses for consumer load Use dedicated circuit breakers with load switch functionality for load switching DANGER No consumer load should be applied between the mains circuit breaker and the inverter 5 3 Additional Protections To protect the inverter s AC grid connection...

Page 20: ...ed inverters 5 4 DC connections DANGER Never connect or disconnect the connectors under load UX series inverters have four MPP trackers The DC characteristics of each model is shown in the table below Inverter MPP trackers Max DC power Max DC voltage Max DC current per MPPT S2 UX40000 S 4 48000W 1100V 22 0A S2 UX50000 S 60000W 28 5A S2 UX60000 S 72000W S2 UX50000 HV S 60000W 22 0A S2 UX60000 HV S ...

Page 21: ...used permanently under water Do not lay the MC4 connectors directly on the roof surface If any tools or parts are used in the MC4 connector assembly other than those listed in the MC4 connector manual neither safety nor compliance with the technical data can be guaranteed 5 5 Inverter commissioning sequence Turn ON Turn OFF 1 Connect AC side if not connected yet 2 Connect DC side if not connected ...

Page 22: ...wing GENERATING 6 2 Inverter display NOTICE During normal operation make sure the optional integrated DC switch is switched on The display content consists of 2 lines During regular operation the display shows the current power and operation status alternatively for 10 seconds Pressing the UP or DOWN buttons will manually cycle through these two displays Pressing the ENTER button gives access to t...

Page 23: ... A Shows the voltage V of the grid L3 Shows the current A of the grid L3 Status VALUE Power VALUE W Shows the status of the inverter Shows current output power W of the inverter For any status other than Generating and Initializing please refer to chapter 10 for troubleshooting Rea_Power VALUE Var App_Power VALUE VA Shows the real power generated Shows the apparent power generated Grid frequency F...

Page 24: ...date and return Set Address Assign a number to the inverter to distinguish between multiple inverters when using parallel communication with WIFI BOX or GPRS BOX Press UP DOWN keys to set change number Press ENTER key to save the setting Press ESC key to return Changing the Address when using WIFI STICK or LAN STICK may result in monitoring to stop working Restore Settings Delete alarm messages th...

Page 25: ...ware version of the inverter Daily Energy The function is for checking the energy generation for selected day Press DOWN key to move the cursor to day month and year press UP key to change the digit Press ENTER after the date is fixed Press UP DOWN key to move one date from another Monthly Energy The function is for checking the energy generation for selected month Press DOWN key to move the curso...

Page 26: ...hen selecting User defined the following upper and lower values have to be set for voltage and frequency OV G V1 236 335V OV G V1 T 0 1 9s OV G V2 248 341V OV G V2 T 0 1 1s UN G V1 173 236V UN G V1 T 0 1 9s UN G V2 132 219V UN G V2 T 0 1 1s OV G F1 50 2 53Hz 60 2 63Hz OV G F1 T 0 1 9s OV G F2 51 53Hz 61 63Hz OV G F2 T 0 1 9s UN G F1 47 49 5Hz 57 59 5Hz UN G F1 T 0 1 9s UN G F2 47 49Hz 57 59Hz UN G...

Page 27: ...if the grid is unbalanced 1 Set output power 2 Set reactive power 3 Out_P with restore 4 Rea_P with restore 5 Select PF curve Calibrate Energy Maintenance or replacement could clear or cause a different value for total energy Use this function to allow user to revise the value of total energy to the same value as before Press the DOWN key to move the cursor Press the UP key to revise the value Pre...

Page 28: ...r Shows debug parameters Fan test Test intelligent fan Power parameter This function is used to calibrate inverter output energy It will not impact the energy count for inverter with RGM Using this function without previous approval from Autarco will void any existing kWh Guarantees 6 7 Temperature derating The output power of the inverter varies with ambient temperature as shown in the figure bel...

Page 29: ...ation ports COM1 Green 4 pin connector RS485 COM2 and COM3 Cable glands and cover with following connection points behind o 2 x RJ45 connections o 1 x RS485 terminal block COM2 and COM3 are RJ 45 connectors suitable for connecting multiple inverters in daisy chain configuration and connecting them to a WIFI box GPRS box or other data logger ...

Page 30: ...r RS485 Communications 1 Use a network wire stripper to strip the insulation layer off the communication cable Using the standard wire sequence referenced in TIA EIA 568B separate the wires in the cable Use a network cable tool to trim the wire Flatten the wire in the order shown in the figure below 2 Insert the wire into the RJ45 connector then crimp the connector with the crimping tool 3 Removet...

Page 31: ...d once per year Impurities such as dust and dirt accumulation on the heat sink may negatively affect the inverter s ability to dissipate heat Any dirt or dust can be removed with a cloth or soft brunch 8 1 Fan Maintenance If the fan does not work properly the inverter will not be cooled effectively and inverter efficiency may be reduced Note The S2 UX40000 S and S2 UX50000 S have two fans the S2US...

Page 32: ...the fan plate and pull out the fan assembly slowly 5 Disconnect the fan connector carefully and take out the fan 6 Clean or replace the fan Assemble the fan on the rack 7 Connect the electrical wire and reinstall the fan assembly Restart the inverter ...

Page 33: ...f present Check AC and DC power supply If DC power is greater than 10W and string voltage greater than 200V the inverter should start If switches are on and AC and DC power supplies is available please contact installer 10 2 Internal component fault Error type Display message Error code Error description Action Over BUS DC voltage OV BUS 1021 Internal fault 1 Restart inverter up to three times 2 I...

Page 34: ...eeds the standard set in the inverter 1 Wait to see if the grid frequency returns within limits 2 If a problem persists check whether the grid standard is set correct in Advanced Settings see 6 7 3 Check grid frequency in Information display of inverter see 6 4 and perform independent measurement of grid frequency to confirm that the inverter reading is correct If the measured frequency is outside...

Page 35: ... short circuit has been detected in the system 1 Restart inverter up to three times 2 Call installer to a Check for pinched crimped or otherwise damaged cables and connections b Check all switches for short circuit 3 If error persists contact Autarco for replacement inverter Ground fault GROUND PRO 1033 Current flow detected through ground conductor 1 Restart inverter up to three times 2 Call inst...

Page 36: ...00 Max AC power W 44000 55000 66000 55000 66000 77000 Nominal AC current A 58 0 72 2 86 6 60 2 57 7 72 2 69 3 74 8 Max AC current A 66 9 83 3 100 0 66 2 80 82 3 Power connection Three phase Grid voltage range According to EN50438 VDE 0126 1 1 UL1741 G59 3 AS4777 Grid frequency range According to EN50438 VDE 0126 1 1 UL1741 G59 3 AS4777 Power factor at rated output power 0 8 1 0 8 Harmonic distorti...

Page 37: ... to EN61000 6 2 EN61000 6 4 AS3100 IEC62109 General data Dimensions W x H x D mm 630 x 700 x 357 Weight 61kg 63kg 61kg 63kg Installation environment Indoor or outdoor Mounting Wall bracket Operating temperature range C 25 C to 60 C Max relative humidity 100 Maximum altitude 4000m IP protection rating IP65 according to EN60529 Isolation type Transformerless Cooling concept Natural convection Intell...