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RPI-H3 / H5
Operation and Installation Manual

Grid-tie Transformerless Solar Inverter

The power behind competitiveness

www.deltaww.com

Summary of Contents for RPI-H3

Page 1: ...RPI H3 H5 Operation and Installation Manual Grid tie Transformerless Solar Inverter The power behind competitiveness www deltaww com...

Page 2: ......

Page 3: ...ng 5 1 Preparation before Wiring 5 2 AC Grid Connection L N PE 5 2 1 Required Protective Devices and Calbe Cross Sections 5 3 DC Connection from PV Array 5 4 Communication Module 5 4 1 RS 485 Connecti...

Page 4: ...nt list 7 3 2 Country Selection 7 3 3 Language Selection 7 3 4 Insulation Mode 7 3 5 Settings 7 3 6 Cosphi Settings Only useable for RPI H3 7 3 7 Italy Self test 8 Maintenance 9 Measurement Error mess...

Page 5: ...re 5 5 DC Wiring illustration Figure 5 6 Communication module Figure 5 7 Multi inverter connection illustration Figure 6 1 Power vs frequency characteristic Figure 6 2 cos P characteristic Figure 6 3...

Page 6: ...wire requirement Table 5 3 Cable size Table 5 4 Definition of RS 485 Table 5 5 RS 485 data format Table 7 1 Country list Table 7 2 Language list Table 9 1 Measurement and message Table 9 2 Error mess...

Page 7: ...es the installation procedures maintenance technical data and safety instruction of the following solar inverter models under DELTA brand RPI H3_110 RPI H3_010 RPI H5 1 2 Safety Symbol Instruction Mac...

Page 8: ...es for RPI H3 RPI H5 are shown below 1 5 How it Works The operation of solar inverter is shown as the Figure 1 1 In order to save energy and electricity solar inverter convert the DC input power suppl...

Page 9: ...g this manual thoroughly before installation is strongly recommended All the installation and start up procedures must be undertaken by professional and well trained technician 2 2 Unpacking Unpacking...

Page 10: ...ndard accessories are list as Table 2 1 RPI H3 RPI H5 Object PV Inverter User Manual AC Plug Wall Mount Bracket M5 Nut Qty 1 1 1 1 2 Description 3kVA RPI H3 5kVA RPI H5 solar inverter Table 2 1 Packin...

Page 11: ...as the series No is specified on the product label Regard to the label location please refer to Figure 2 2 Figure 2 3 Figure 2 2 The identification label for H3 RPI H3_110 RPI302N63E0000 RPI H3_010 R...

Page 12: ...Figure 2 3 The identification label for H5 RPI H5 12 Installation and Wiring...

Page 13: ...3 Product Overview 3 1 Dimensions Figure 3 1 Dimension of RPI H3 Figure 3 2 Dimension of RPI H5 13 Product Overview...

Page 14: ...3 2 2 LCD LED display and buttons DC Switch DC connectors AC connector Communication connections Label Dry connector Digital input Figure 3 3 Inverter exterior objects RPI H3 RPI H5 LCD LED display an...

Page 15: ...Figure 3 4 LCD display and buttons 3 2 1 LCD Display and Buttons 15 Product Overview...

Page 16: ...ctor Digital input RPI H3_010 DC connector 1 AC connector Communication RS 485 2 Stopper Avoid Physical Impact Dry connector Digital input DC connector 2 AC connector Communication RS 485 2 DC switch...

Page 17: ...taller shall be at least two people to process the installation When moving the Inverter installer shall not stand under machines 4 2 Mounting This unit is a wall mounting system Please ensure the ins...

Page 18: ...Figure 4 1 Screw the mounting bracket for RPI H3 18 Installation...

Page 19: ...Figure 4 2 Screw the mounting bracket for RPI H5 19 Installation...

Page 20: ...Figure 4 3 Correct and incorrect installation illustration 4 3 a 90 C 4 3 b 4 3 c 20 Installation...

Page 21: ...leave an appropriate gap in between when installing singe several solar inverter systems Please install solar inverter at an eye level to allow easy observation for operation and parameter setting Am...

Page 22: ...between the DC input and AC output 3 The ground fault detection is a fixed internal setting It always works and can not be modified 4 The whole system wiring is shown as in Figure 5 1 and Figure 5 2 5...

Page 23: ...bution box Plus GND or Minus GND Z Z or PV Array WARNING SHOCK HAZARD Whenever a PV array is exposed to sun light a shock hazard exists at the output wires or exposed terminals To reduce the risk of s...

Page 24: ...in figure 5 3 that are used in electricity systems For AC Configurat setting please see chapter 7 2 2 Star configuration 3 phases Neutral L N default The voltage between each phase and the neutral is...

Page 25: ...30A RPI H5 Table 5 1 Recommended upstream protection Wire size Current Rating Torque 20A RPI H3 30 A RPI H5 3 4mm2 12 AWG 0 8 1Nm Table 5 2 AC wire requirement Figure 5 4 AC plug illustration Please...

Page 26: ...voltage CAUTION WARNING When doing DC wiring please choose the proper wiring by connect to the correct polarity When doing DC wiring please confirm that PV Array s power switch is off DC wiring polari...

Page 27: ...ght bottom of inverter and pull out the RS485 socket as shown in Figure 5 6 Figure 5 6 Communication module 5 4 1 RS 485 Connection The pin definition of RS 485 is shown as in Table 5 4 and protocol s...

Page 28: ...ration Data Format Baud rate 19200 Data bits 8 Stop bit 1 Parity N A Pin Layout Pin Function 4 DATA 5 DATA RS485 USB Or RS485 RS232 Table 5 5 RS 485 data format RS 485 Data format Baud rate 9600 19200...

Page 29: ...e power Pm generated instantaneously at the time of exceeding the mains frequency 50 2Hz freezing the value on the current level with a gradient of 40 of Pm per Hertz According to CEI 0 21 8 5 3 2 Wit...

Page 30: ...erexcited VDE AR N 4105 CEI 0 21 cos 0 9 underexcited to 0 9 overexcited Values deviating from the above must be agreed upon by contract With active power output either a fixed target value for reacti...

Page 31: ...iver reactive power according to output active power at that moment Figure 6 2 is an example 6 2 3 Fixed Reactive Power In Var CEI 0 21 Once user enables this method inverter will deliver reactive pow...

Page 32: ...0 21 Once user enables this method user can set Q vs Grid voltage operation curve as below U Q Sn U1s U2s U1i U2i Qmin 48 4 Qmax 48 4 U Q Sn U1s U2s U1i U2i TypeA TypeB Figure 6 3 Q U characteristic...

Page 33: ...ccur a generation system with over 6 kW total power must be able to comply with certain functional requirements which are known as LVRT Low Voltage Ride Through in international literature 100 0 time...

Page 34: ...se them to full sunlight The sunlight must be intense enough to produce the required output voltage 2 Measure the PV array open circuit DC voltage across the DC positive and negative terminals 7 1 2 A...

Page 35: ...ting page press SEL button NEXT to select your located country press ENT button to confirm this page 2 Press Enter button to confirm your country setting NOTE Country xxxxxx Netherlands N ex t E nt er...

Page 36: ...AC Configuration Setting page press SEL to flip between two types of configuration As your type of configurations is displayed press ENT to confirm the setting DSP Comm Red 0000 0000 0000 Event List E...

Page 37: ...er shut down Language xxxxxx SEL xxxxxx Next Enter xxxxxx N Y SEL ENT ENT SEL ENT Country xxxxxx SEL xxxxxx Next Enter xxxxxx N Y SEL ENT Country is Empty default Yes ENT No SEL ENT Exit N Y ENT SEL E...

Page 38: ...correct ID 1 254 3 Inverter ID is changed and saved 7 3 LCD flowchart Press any button will enter menu page Figure 7 5 Today Output Energy is home page and several item is described in section 7 3 1 7...

Page 39: ...PAGE 5 PAGE 6 PAGE 7 PAGE 8 PAGE 9 PAGE10 PAGE11 PAGE12 PAGE13 PAGE14 SEL SEL SEL SEL SEL SEL SEL SEL SEL SEL SEL SEL SEL SEL PAGE 1 SEL PAGE15 Settings Enter Figure 7 5 LCD flowchart Page1 Today out...

Page 40: ...r Event Logs Exit Yes 16 Empty SEL ENT SEL SEL SEL Event List Enter SEL Inverter ID XX SEL Event List Enter Figure 7 6 Event log flowchart Figure 7 7 Country selection NETHERLANDS Next Enter BELGIUM N...

Page 41: ...lection When entering this page user can set five different languages English Next Enter Italia Next Enter France Next Enter Deutschland Next Enter Espa ol Next Enter English N Y Italia N Y France N Y...

Page 42: ...ext Enter Positive N Y SEL ENT ENT SEL Settings Enter Figure 7 9 Insulation mode Figure 7 10 Setting page 7 3 5 Settings Setting includes Personal Setting Coefficients Setting Install Setting and Ital...

Page 43: ...80 Next Enter Cosphi XXXX N Y Range Cosphi Ind 0 80 Cosphi Cap 0 80 Cosphi off Cosphi Ind 0 81 Next Enter SEL ENT SEL Cosphi Ind 1 00 Next Enter SEL ENT ENT ENT SEL ENT SEL Cosphi Cap 0 99 Next Enter...

Page 44: ...Uac Low Fac High or Fac Low separately The final testing result will be shown on the operating page and saved user can review the results If the Italy Self test failed this PV inverter would not opera...

Page 45: ...d well If there are any impaired parts please contact with the qualified technician to repair or replace to the new spare part To ensure that no foreign body stocks at the heat outlet please clean up...

Page 46: ...8 3 5 7 Meaning Actual power is generating Energy generated today Grid Voltage and Frequency Actual Output AC current DC input Voltage Current Watt Today PV array energy supply Total Energy generated...

Page 47: ...UVR setting 2 Utility voltage is under the Slow UVR setting during operation 3 Incorrect country or Grid setting 4 Detection circuit malfunction 1 2 Check the utility voltage connection to the inverte...

Page 48: ...e detection circuit inside the inverter 1 Modify the solar array setting and make the Voc less than 600Vdc RPI H3 or 1000Vdc RPI H5 2 Check the detection circuit inside the inverter 1 Check if brown w...

Page 49: ...ambient and environment 2 Check the detection circuit inside the inverter A15 DSP ADC Vgrid Iout Fail 1 Auxiliary power circuitry malfunction 2 Detection circuit malfunction 1 Check the auxiliary circ...

Page 50: ...stall an external transformer if necessary 3 Check boost driver boost choke 4 Check the detection circuit inside the inverter A25 Ground Fault 1 PV array insulation fault 2 Large PV array capacitance...

Page 51: ...ck the detect circuit inside the inverter A31 Bus_P Over Volt Rating 1 Driver for boost is defective 2 Voc of PV array is over 600Vdc RPI H3 or 1000Vdc RPI H5 3 Surge occurs during operation 4 Detecti...

Page 52: ...ng 1 Switching device in boost is defective 2 Driver for boost is defective 3 Input current detection circuit malfunction 1 Check all switching device in boost 2 Check the driver circuit for boost ins...

Page 53: ...t breaker to disconnect with electricity grid 2 Switch off the PV Array switch to disconnect with PV Array 3 Use proper voltage meter to confirm that the AC and DC power present totally absent 4 Remov...

Page 54: ...30Vac 20 50 60 Hz 3 with Rated power 2 0 99 Rated power 2 Input connection Startup voltage MPPT tracker Maximum input current Powder coated aluminium 20 60 C full power up to 40 C Operating Altitude 2...

Page 55: ...N 61000 3 12 Variations and flicker EN 61000 3 11 Immunity EN 61000 6 2 Immunity ESD RS EFT Surge CS PFMF IEC 61000 4 2 IEC 61000 4 3 IEC 61000 4 4 IEC 61000 4 5 IEC 61000 4 6 IEC 61000 4 8 REGULATION...

Page 56: ...y the multi function relay is available to external devices The device includes flashing lights Buzzer Etc the multi function relay allow following configuration Fault indicator or Grid status indicat...

Page 57: ...se the Monitor modbus SW tool the multi function relay will be configured as mentioned event setting Please refer to Figure A 1 Figure A 1 Multi function relay on Dry contact Danger Hazard of Electric...

Page 58: ...perate the disconnection device DRM 5 Do not generate power DRM 6 Do not generate at more than 50 of rated power DRM 7 Do not generate at more than 75 of rated power And sink reactive power DRM 8 Incr...

Page 59: ...osed 0 Relay is open D1 0 1 0 D2 0 0 1 D3 0 0 0 D4 0 0 0 D5 0 0 0 Output 1 1 1 Function Country Germany No function Active power 0 Active power 30 Active power 60 Active power 100 D1 0 1 0 D2 0 0 1 D3...

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