Delta RPI M50A_120 Installation And Operation Manual Download Page 30

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5 Planning the installation

Installation and Operation Manual for RPI M50A

DC1+

DC2+

DC1-

DC2-

2 x

1 x

DC bus bars

Fuse holder

Grounding fuse (1 A)

Fig. 5.18: Preparing the inverter for use with plus grounded solar modules

Fuse holder and DC bus bars are delivered with the inverter. The screws are already fastened

inside the inverter. You have to provide a grounding fuse with 1 A.

Summary of Contents for RPI M50A_120

Page 1: ...Installation and Operation Manual RPI M50A_120 RPI M50A_122 Europe...

Page 2: ...aintenance technicians and end users may not release the informa tion contained in this manual and may not use it for purposes not directly associated with the proper use of the solar power inverter A...

Page 3: ...l 17 5 Planning the installation 18 5 1 Where to mount the solar inverter 18 5 2 Outdoor installations 19 5 3 Ambient conditions and air circulation 19 5 4 Temperature derating curves 20 5 5 Efficienc...

Page 4: ...protection 61 8 8 3 Frequency protection 63 8 8 4 Reconnection time 65 8 8 5 P Ramp Up 66 8 9 EPO External Power Off 67 8 10 AC Connection type 68 8 11 Max Power Maximum feed in power 69 8 12 Power l...

Page 5: ...ians who have received a sufficient training to apply safe meth ods of work to install a micro generator in compliance with the requirements of the applying standard Only chapter 9 Measurements and st...

Page 6: ...of only one step or when the order of the instruction steps is not important are shown as follows Instruction step Instruction step Device buttons and LEDs Device buttons and LEDs are shown in this ma...

Page 7: ...Delta Energy Systems is not responsible for damage incurred by failure to observe the installation and operat ing instructions in this manual For this reason be sure to observe and follow all instruc...

Page 8: ...ower grid for converting the direct current in the PV system to alternating current and feeding it into the grid Use within the specified power range see 13 Technical data p 105 and under the specifie...

Page 9: ...9 Installation and Operation Manual for RPI M50A 3 Intended use...

Page 10: ...se holder 1 Used when the solar mod ules have to be grounded AC plug 1 China Aviation Optical Electrical Technology Co PVE5T125KE36 Screw for grounding the inverter housing 1 An appropriate screw with...

Page 11: ...status LEDs See 4 3 Display buttons status LEDs p 12 2 String fuses and AC DC overvoltage protection See 4 4 String fuses and AC DC surge protection device p 12 3 Air inlets See 4 5 Air inlets and fa...

Page 12: ...Exit current menu Cancel value setting Move down Move downwards in menu Set value decrease Move up Move upwards in menu Set a value increase ENT Enter Select menu item Open configurable value for edit...

Page 13: ...ype 2 on the AC and the DC side Type Manufacturer GEHE Part number GPU1 ZS1000 Voltage UC 1120 VDC Current In 20 kA 8 20 Current Imax 40 kA 8 20 Voltage UP 3 9 kV 4 6 Air inlets and fans Air is intake...

Page 14: ...tors No Component connector Description 1 AC DC disconnection switch See 4 6 2 AC DC disconnection switch p 15 2 AC connector AC output See 4 6 3 AC connector AC output p 15 3 DC connectors DC inputs...

Page 15: ...ytems 3P4W L1 L2 L3 N PE 4 wire grid systems 3P3W L1 L2 L3 PE AC plug type China Aviation Optical Electrical Technology Co PVE5T125KE36 The AC plug is delivered with the inverter 4 7 4 DC connectors D...

Page 16: ...2 is not available on this inverter 4 7 7 Grounding connection DISCONN AC DC The grounding connection is used for grounding the housing of the inverter The grounding screw M6 with washer spring washe...

Page 17: ...the manual The housing of the inverter must be grounded if this is required by local regulations DC Input 200 1000Vdc DC input voltage range MPPT 520 800Vdc MPP input voltage range with full power wit...

Page 18: ...he mounting plate supplied with the solar inverter Check that the wall is capable of bearing the heavy load of the device Use dowels and screws that are suitable for the wall material and the heavy we...

Page 19: ...and air circula tion 80 cm 30 cm 30 cm 30 cm 20 cm Fig 5 5 Mounting distances and air circulation Ensure adequate air circulation Hot air must be able to dissipate downward Keep enough space around ea...

Page 20: ...peration Manual for RPI M50A 20 5 4 Temperature derating curves 50 55 60 65 70 75 80 85 90 95 100 105 110 115 25 30 35 40 45 50 55 60 P Pn Pn 50 kW 800 VDC 600 VDC 520 VDC Ambient temperatures C S VA...

Page 21: ...I M50A 5 Planning the installation 50 55 60 65 70 75 80 85 90 95 100 105 110 115 25 30 35 40 45 50 55 60 P Pn Pn 50 kW 800 VDC 600 VDC 520 VDC 800 VDC 600 VDC 520 VDC P W S VA Ambient temperatures C F...

Page 22: ...nd Operation Manual for RPI M50A 22 50 55 60 65 70 75 80 85 90 95 99 105 110 115 25 30 35 40 45 50 55 60 P Pn Pn 50 kW 800 VDC 600 VDC 520 VDC 800 VDC 600 VDC 520 VDC P W S VA Ambient temperatures C F...

Page 23: ...on and Operation Manual for RPI M50A 5 Planning the installation 5 5 Efficiency curve 92 93 94 95 96 97 98 99 100 15 20 5 0 10 25 30 35 40 45 50 Power kW Efficiency 800 VDC 600 VDC 520 VDC Fig 5 9 Eff...

Page 24: ...lanning the installation Installation and Operation Manual for RPI M50A 24 5 6 Dimensions 107 460 172 8 158 7 31 30 25 82 Fig 5 10 Dimensions of mounting plate 612 278 740 Fig 5 11 Dimensions of inver...

Page 25: ...hout taking the integrated RCMU residual current monitoring unit into account When examining these faults in terms of the current valid installation standards no danger in combination with a type A up...

Page 26: ...t up complex PV system designs For example east west facing roof asym metric load or a south facing roof such as a dormer asymmetrical load 8 00 13 00 18 00 kW Total East Roof West Roof East West Fig...

Page 27: ...means each DC input is con nected to a separate MPP tracker Parallel DC inputs means both DC inputs are connected to one MPP tracker With parallel DC inputs you cannot real ize asymmetrical power inpu...

Page 28: ...in Fig 5 16 p 28 Depending on the DC connection type different set tings for insulation detection are needed see 8 7 Insulation mode and insulation resistance p 59 You have to prepare the inverter fo...

Page 29: ...l for RPI M50A DC1 DC2 DC1 DC2 1 x 1 x DC bus bar Fuse holder Grounding fuse 1 A Fig 5 17 Preparing the inverter for use with minus grounded solar modules Fuse holder and DC bus bars are delivered wit...

Page 30: ...or RPI M50A 30 DC1 DC2 DC1 DC2 2 x 1 x DC bus bars Fuse holder Grounding fuse 1 A Fig 5 18 Preparing the inverter for use with plus grounded solar modules Fuse holder and DC bus bars are delivered wit...

Page 31: ...ant to use DC1 and DC2 with only one MPP tracker you have to prepare the inverter as shown in Fig 5 19 p 31 Because you have to remove the cover of the fuse section you should do this before you hang...

Page 32: ...be switched on When you connect multiple inverters within the same PV system On the last inverter in the chain the termination resistor has to be switched on If your datalogger has no internal termin...

Page 33: ...tion and Operation Manual for RPI M50A 5 10 Circuit diagram of string fuses and SPDs DC1 DC1 DC2 DC2 DC side AC side String fuse Surge protection device Overvoltage protection category II Overvoltage...

Page 34: ...China Aviation Optical Electrical Technology Co PVE5T125KE36 Current rating 100 A Min Max cable diameter 37 44 mm Min Max wire size 25 35 mm2 Recommended torque for terminal screws 3 Nm AC plug deliv...

Page 35: ...DC cable and DC plugs a b 10 pairs of DC plugs for the DC cable are delivered with the inverter 32 0016P0001 UR and 32 0017P0001 UR Follow the description in the table below if you need additional DC...

Page 36: ...or using the inverter with grounded solar modules Magnetic screw driver 1 If you need to open the cover of the fuse section you should use a magnetic screw driver so that the screws cannot accidentall...

Page 37: ...y the cover from the fuse section may be removed Never open other parts of the inverter Wait at least 10 seconds until the capacitors have discharged WARNING High electrocution When you remove the cov...

Page 38: ...ly in all directions 6 2 Mounting the inverter WARNING Heavy weight The inverter must be lifted and car ried by at least three people or with an appropriate lifting equipment Always use the mounting p...

Page 39: ...cable requirements Even when such regulations do not exist it is usually a good idea to ground the inverter housing for safety reasons before you set up the electricial connections Although there is a...

Page 40: ...for 5 wire systems L3 N L2 L1 PE L1 L2 PE L3 L1 L2 L3 PE Fig 6 27 Wiring AC plug for 4 wire systems Wiring for 3P4W grid systems 3 phases with 5 wires L1 L2 L3 N PE Wiring for 3P3W grid systems 3 pha...

Page 41: ...e housing from the socket insert Slide the nut and cable housing onto the AC cable Slide the wires of the AC cable into the connec tions in the pin insert and screw tight Observe the correct phase seq...

Page 42: ...chnical specifica tions of the inverter input voltage range maximum currents and maxi mum input power see 13 Techni cal data p 105 when planning the size of the PV array NOTICE Penetrating humidity Hu...

Page 43: ...es It is recommended to use a spe cial open end spanner for the MC4 DC connectors if you need to disconnect MC4 DC connec tors from the inverter Otherwise you might destroy the DC Con nectors 6 6 Usin...

Page 44: ...wo DC bar screws to connect the DC1 bar and the DC2 bar DC1 DC2 DC1 DC2 4 Put the cover on the fuse section and screw it tightly with all six screws To ensure protection degree IP65 take care that the...

Page 45: ...ogger to a monitoring system VCC can be used for an external relais To use VCC set DIP switch 1 to ON When you do not use VCC always set DIP switch 1 to OFF For connecting RS485 Pins 3 to 6 are used I...

Page 46: ...termination resistor VCC Termination resistor Connecting a single inverter to a datalogger Connecting multiple inverters to a datalogger If your datalogger has no integrated termination resistor swit...

Page 47: ...ct an external ripple control receiver for controlling the active power 1 2 3 4 5 6 7 8 Pin Design Short Assigned action 1 V1 2 K0 V1 K0 EPO Emergency Power Off 3 K1 V1 K1 Set maximum active power to...

Page 48: ...ected to the same communication port you should do the complete wiring at once 1 Unscrew and remove the bolting 2 Unscrew and remove the cover 3 Pull all cables you want to connect through the bolting...

Page 49: ...Pin DC and Pin DC 2 Connect the cable that goes to the second in verter in the RS485 chain to the left Pin DC and Pin DC 3 On the second inverter connect the cable that comes from the first inverter...

Page 50: ...er limitation signal Pin V1 and Pin K3 The second image shows the wiring for using EPO Emergency Power Off Pin V1 and Pin K0 When you want to use multiple digital inputs Pin V1 is used for all of thes...

Page 51: ...ions about which labels are needed See some samples below WARNING Dual Supply Do not work on this equipment until it is isolated from both mains and on site generation supplies Isolate on site Generat...

Page 52: ...on rm your selection press the button ENT CHINA 2013 CHINA MV CZECH ENGLAND FRA Is 50HZ 2 Use the buttons and to select your country or grid type To con rm your selection press the button ENT YES NO U...

Page 53: ...and time 56 8 5 Baud rate for RS485 57 8 6 Inverter ID 58 8 7 Insulation mode and insulation resistance 59 8 8 Grid settings 61 8 9 EPO External Power Off 67 8 10 AC Connection type 68 8 11 Max Power...

Page 54: ...Main menu Inverter info E Today 0kWh Power 0W Status On Grid 10 Sep 2014 15 32 1 When the default information is displayed press any button to open the main menu Otherwise repeatedly press the button...

Page 55: ...n menu Otherwise repeatedly press the button ESC until the main menu is displayed Inverter Info General Settings Install Settings Active Reactive Pwr FRT 2 Use the buttons and to select General Settin...

Page 56: ...ion is displayed press any button to open the main menu Otherwise repeatedly press the button ESC until the main menu is displayed Inverter Info General Settings Install Settings Active Reactive Pwr F...

Page 57: ...splayed press any button to open the main menu Otherwise repeatedly press the button ESC until the main menu is displayed Inverter Info General Settings Install Settings Active Reactive Pwr FRT 2 Use...

Page 58: ...nformation is displayed press any button to open the main menu Otherwise repeatedly press the button ESC until the main menu is displayed Inverter Info General Settings Install Settings Active Reactiv...

Page 59: ...uttons and to set each digit To confirm a digit press the button ENT Grid Settings Country Insulation Inverter ID 001 4 Use the buttons and to select Insulation To confirm your selection press the but...

Page 60: ...l for RPI M50A 60 Configurable Parameters Parameter Description Value range Mode Mode of insulation ON Plus grounded Minus grounded OFF Default ON Resistance Insulation resistance 150 k 250 k 1100 k D...

Page 61: ...The delay time the inverter will wait before it reconnects to the grid after a fault P Ramp up Feed in behavior of the inverter when it reconnects to the grid after a fault 8 8 2 Voltage protection Ov...

Page 62: ...utton ENT or press the button ESC to cancel the action 9 Repeat steps 6 to 8 for the other parameters if you need to change them Configurable Parameters Parameter Description High Off Voltage High Off...

Page 63: ...s the button ENT 3 Type in the password you received from Delta Support Use the buttons and to set each digit To confirm a digit press the button ENT Grid Settings Country Insulation Inverter ID 001 4...

Page 64: ...f Low On Frequency Low On Low Off T Disconnection time for Frequency Low Off Hi Off Slow Frequency High Off Slow Hi On Slow Frequency High On Slow Hi Off Slow T Disconnection time for Frequency High O...

Page 65: ...r Info General Settings Install Settings Active Reactive Pwr FRT 2 Use the buttons and to select Install Settings To confirm your selection press the button ENT 3 Type in the password you received fro...

Page 66: ...displayed Inverter Info General Settings Install Settings Active Reactive Pwr FRT 2 Use the buttons and to select Install Settings To confirm your selection press the button ENT 3 Type in the password...

Page 67: ...ctive Pwr FRT 2 Use the buttons and to select Install Settings To confirm your selection press the button ENT 3 The menu is protected by password 5555 Use the buttons and to set each digit To confirm...

Page 68: ...Settings Install Settings Active Reactive Pwr FRT 2 Use the buttons and to select Install Settings To confirm your selection press the button ENT 3 The menu is protected by password 5555 Use the butt...

Page 69: ...ral Settings Install Settings Active Reactive Pwr FRT 2 Use the buttons and to select Install Settings To confirm your selection press the button ENT 3 The menu is protected by password 5555 Use the b...

Page 70: ...power is calculated as 50 kW x 80 x 70 28 kW Accessing the menu Main menu Active Reactive Pwr Active Power Ctrl Power limit E Today 0kWh Power 0W Status On Grid 10 Sep 2014 15 32 1 When the default i...

Page 71: ...ignore the following steps Set Point 100 Mode ON 7 To set the value for the power limitation use the buttons and to select Set Point and press the button ENT 8 Use the buttons and To change the parame...

Page 72: ...ccording to the following formula Fstop Fstart 1 Gradient Accessing the menu Main menu Active Reactive Pwr Active Power Ctrl Power vs Frequency E Today 0kWh Power 0W Status On Grid 10 Sep 2014 15 32 1...

Page 73: ...lue use the buttons and To confirm your setting press the button ENT To cancel the action press the button ESC 9 Repeat steps 7 to 8 for all parameters you want to change Configurable Parameters Param...

Page 74: ...ection press the button ENT 3 The menu is protected by password 5555 Use the buttons and to set each digit To confirm a digit press the button ENT Reactive Power Ctrl Active Power Ctrl 4 Use the butto...

Page 75: ...ur setting press the button ENT To cancel the action press the button ESC Configurable Parameters Parameter Description Value range Mode Switches the function on and off ON OFF Default value OFF Cos p...

Page 76: ...15 32 1 When the default information is displayed press any button to open the main menu Otherwise repeatedly press the button ESC until the main menu is displayed Inverter Info General Settings Insta...

Page 77: ...T To cancel the action press the button ESC 9 Repeat steps 7 to 8 for other parameters if you need to change them Configurable Parameters Parameter Description Mode Switches the function on and off Q...

Page 78: ...on press the button ENT 3 The menu is protected by password 5555 Use the buttons and to set each digit To confirm a digit press the button ENT Reactive Power Ctrl Active Power Ctrl 4 Use the buttons a...

Page 79: ...ss the button ENT To cancel the action press the button ESC 9 Repeat steps 7 to 8 for other parameters if you need to change them Configurable Parameters Parameter Description Mode Switches the functi...

Page 80: ...reactive power When you set the parameter T inductive the inverter will wait for this period time for the grid voltage falling back to a level below V1s before it starts feeding in inductive reactive...

Page 81: ...wer Ctrl The cur rent setting is displayed behind the menu entry Q V Constant Q Cos phi P Constant cos phi 5 Use the buttons and to select Q V The current setting is displayed behind the menu entry Qs...

Page 82: ...upper voltage limit for feeding in inductive reactive power V2i The upper voltage limit for feeding in inductive reactive power Qi limit The limit for the inductive apparent power The value is set in...

Page 83: ...tion behavior for FRT Fault Ride Through t1 The point in time when the fault occurs Accessing the menu Main menu FRT E Today 0kWh Power 0W Status On Grid 10 Sep 2014 15 32 1 When the default informati...

Page 84: ...the following steps t1 0 30s Vdrop 0 Dead band 10 Mode ON 5 If you need to change a parameter use the buttons and to select the parameter and press the button ENT 6 To change the parameter value use...

Page 85: ...general settings software versions etc 9 1 Meter Description In this menu you nd the current data of several parameters in real time The meter statistics consist of three pages The information can onl...

Page 86: ...age 1 AC side For the AC side in total is displayed Power Currently produced active power in W Frequency Current grid frequency in Hz E Today Total energy produced on this day in kWh Page 2 AC side Fo...

Page 87: ...en the default information is displayed press any button to open the main menu Otherwise repeatedly press the button ESC until the main menu is displayed Inverter Info Event Log Energy Log Meter 2 Use...

Page 88: ...cessing the Menu Main menu Event log E Today 0kWh Power 0W Status On Grid 10 Sep 2014 15 32 1 When the default information is displayed press any button to open the main menu Otherwise repeatedly pres...

Page 89: ...ameters Parameter Description S N Serial number DSP Red Comm Wi The software versions of the various controllers ID The currently set inverter ID for RS485 For a description how to change the inverter...

Page 90: ...country or grid setting Check country and grid setting Detection circuit malfunction Check the detection circuit inside solar inverter AC Volt Low Actual utility voltage is under the UVR under voltage...

Page 91: ...detection circuit inside solar inverter Solar2 Low Actual Solar2 voltage is under the limit Check the Solar2 voltage connection to solar inverter terminal Some devices were damaged inside solar inver...

Page 92: ...way from non linear load if neces sary Switching device is defective Check all switching devices in inverter stage Detection circuit malfunction Check the detection circuit inside the solar inverter H...

Page 93: ...nverter HW CT C Fail Test current loop is broken Check the connection of CNP4 to CNM4 CTP5 is defective Replace CTP5 with new one Detection circuit malfunction Check the detection circuit inside the s...

Page 94: ...the detection circuit for syn chronal signal inside the solar in verter RCMU Fail RCMU is disconnected Check the RCMU connection inside solar inverter Detection circuit malfunction Check the detection...

Page 95: ...fuse section protection degree is no longer IP65 Remove the cover only when it is really necessary Do not remove the cover when it is raining and the inverter is wet Close the cover tightly after work...

Page 96: ...4 screws of the fan section 2 Pull out the fan section 3 Pull out the five connectors with the wires 4 Plug the five connectors with the wires into the fan section The order of the connectors does no...

Page 97: ...he fans Never use sharp tools as these can damage the fans Use an air blower that blows dry air to clean the fans 1 Loosen the 4 screws of the fan section 2 Pull out the fan section 3 Pull out the fiv...

Page 98: ...should use a magnetic screw driver The inverter has two air filters one on the upper left side and one on the upper right side 1 Remove the 4 screws from each filter section 2 Pull out the air filter...

Page 99: ...type was used and this caused trouble on the inverter or the installation Type Manufacturer GEHE Part number GPU1 ZS1000 Voltage UC 1120 VDC Current In 20 kA 8 20 Current Imax 40 kA 8 20 Voltage UP 3...

Page 100: ...es SPD on the AC side Use only the SPDs mentioned in the table below for replacement Delta reserves the right to deny warranty if another SPD type was used and this caused trouble on the inverter or t...

Page 101: ...Pull out the defective SPD 5 Put in the new SPD 6 Put the fuse section cover tightly on the inverter housing Take care that the cover is correctly positioned and seals the fuse section to ensure prote...

Page 102: ...cover from fuse section 3 Use a current transformer to find the defective fuse 4 Pull out the defective fuse 5 Put in the new string fuse 6 Put the fuse section cover tightly on the inverter housing T...

Page 103: ...ven when the sun is not shining Never disconnect the solar modules when the solar inverter is powered First switch off the grid connection so that the solar inverter cannot feed energy into the grid T...

Page 104: ...ioning Installation and Operation Manual for RPI M50A 104 8 Put the solar inverter into the original box 9 When you store the solar inverter consider the ambient conditions for storing see 13 Technica...

Page 105: ...r string Number of MPP trackers Parallel inputs 1 MPP tracker Separate inputs 2 MPP trackers Input load 34 8 kW per MPPT symmetrical and asymmetrical Number of DC inputs total DC1 DC 2 10 5 5 Galvanic...

Page 106: ...tude 2000 m above sea level Standards and Directives RPI M50A_120 RPI M50A_122 Protection degree IP65 Safety class I Pollution degree II Overload behavior Current limitation power limitation Safety IE...

Page 107: ......

Page 108: ...549 Italy supporto italia solar inverter com 800 787 920 call free Netherlands ondersteuning nederland solar inverter com 0800 022 1104 call free Austria service oesterreich solar inverter com 0800 2...

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