Delta RPI153FA0E0000 Installation And Operating Manual
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Delta RPI153FA0E0000 Installation And Operating Manual

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Installation and Operating Manual
RPI M15A
RPI M20A
United Kingdom
Europe general

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Summary of Contents for Delta RPI153FA0E0000

  • Page 1 Installation and Operating Manual RPI M15A RPI M20A United Kingdom Europe general...
  • Page 2 This manual applies to the following inverter models: © Copyright – Delta Energy Systems (Germany) GmbH – All rights reserved. ● RPI M15A This manual is intended for use by fitters. RPI M20A ● The information contained in this manual may not be reproduced with model numbers: without prior written consent from Delta Energy Systems.

  • Page 3: Table Of Contents

    Contents Contents 1. About this manual ............6 Purpose of this manual.
  • Page 4 Contents 6.14.3 To connect the inverter to the solar modules......... 42 6.14.4 To ground the inverter housing.
  • Page 5 Contents 9.28 FRT - Fault ride through ..........138 10.

  • Page 6: About This Manual

    Keep this manual in a safe place close to the inverter so that it always result in death or severe injuries. will be readily available when working on the inverter. Delta Energy Systems is not liable for damage arising from non- WARNING compliance with the safety instructions and work instructions in this manual.

  • Page 7: Writing And Identification Conventions

    1 About this manual Writing and identification conventions Certain contents in this manual are specially identified. Identification of work instructions Work instructions that must be carried out in a specific order are numbered. Numbered work instructions must always be carried out in the specified order.

  • Page 8: Basic Safety Instructions

    80 seconds. ● All repairs to the inverter must be carried out by Delta Energy Therefore always perform the following work Systems. Otherwise the guarantee will be void. steps before working on the inverter ●...

  • Page 9: Intended Use

    3 Intended use Intended use The inverter may only be used for its intended purpose. The intended use of the inverter is defined as follows: ● Use in static solar installations that are connected to the public power grid, to convert the direct current generated by the solar modules in the solar installation into alternating current which is fed into the public power grid.

  • Page 10: Ec Declaration Of Conformity

    3 Intended use EC Declaration of Conformity Producer: Delta Energy Systems (Germany) GmbH Address: Tscheulinstr. 21, 79331 Teningen, Germany Product Description: Solar Inverter for Grid operation RPI-M15A, RPI-M20A Model: The product described above in the form as delivered is in conformity with the provisions of...

  • Page 11: Product Overview

    4 Product overview Product overview Scope of delivery Part Quantity Picture/Description Part Quantity Picture/Description Amphenol C16-3 Inverter AC plug Installation quick start and Mounting plate basic safety instructions Installationsk urz anleitung RPI M15A RPI M20A Deutschland Ö sterreich Schweiz Multi-contact MC4 for DC+ for 4/6 mm (32.0017P0001-UR) DC plugs...

  • Page 12: Overview Of Components And Connections

    4 Product overview Overview of components and connections Fig. 4.1: Overview of components and connections Component/Connection Description Display, buttons, status LEDs Refer to “4.3 Display, buttons, status LEDs”, page 13 Air outlets Refer to “4.5 Fans and air outlets”, page 17 Electrical terminals Refer to “4.4 Electrical terminals”, page 14 Type plate...

  • Page 13: Display, Buttons, Status Leds

    4 Product overview Display, buttons, status LEDs Ertrag - Tag 21. Jun 2013 09:30 2013.06.21 Stunde E-Stunde: E-Tag: Ersparnis CO2: Beenden 2013.06.21 Jahr Component Description LEDs Multi-coloured LED; indicates the current operating status. tAtuS Buttons Exit the current menu. EX IT Exit Cancel the setting of a parameter.

  • Page 14: Electrical Terminals

    4 Product overview Electrical terminals 4.4.1 Overview Fig. 4.2: Overview of the electrical terminals Component/Connection Identification on the Description inverter Grounding connection Refer to “4.4.2 Grounding connection”, page 15 AC terminal AC OUTPUT Refer to “4.4.3 AC terminal (AC OUTPUT)”, page 15 Connector for RS485, dry contacts and Refer to “4.4.4 Terminal for RS485, dry contacts and external RS485...

  • Page 15: Grounding Connection

    4 Product overview 4.4.2 Grounding connection 4.4.3 AC terminal (AC OUTPUT) Fig. 4.3: Position of the grounding connection on the inverter Fig. 4.4: Position of the AC terminal on the inverter The inverter housing can be grounded by means of the ground- The inverter is connected to the public grid by means of the AC ing connection.

  • Page 16: Terminal For Rs485, Dry Contacts And External Power Off (Rs485)

    4 Product overview 4.4.4 Terminal for RS485, dry contacts and exter- 4.4.5 DC disconnector (DC SWITCH) nal power off (RS485) Fig. 4.6: Position of the DC disconnector on the inverter Fig. 4.5: Position of the RS485 connector on the inverter Available connections: Connection Connection type...

  • Page 17: Dc Terminals (Dc Input)

    4 Product overview 4.4.6 DC terminals (DC INPUT) Fans and air outlets Fig. 4.8: Position of the fans on the inverter Fig. 4.7: Position of the DC terminals on the inverter The solar modules are connected to the DC terminals. Required plug type: ●...

  • Page 18: Mounting Holes

    4 Product overview Mounting holes Fig. 4.10: Position of the mounting holes on the inverter The mounting holes are used to bolt the inverter to the wall or to the mounting system. The mounting holes are a fit for M6 bolts. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 19: Information On The Type Plate

    4 Product overview Information on the type plate Fig. 4.11: M15A type plate Fig. 4.12: M20A type plate Symbols on the type plate Symbol Description Potentially lethal electric shock When the inverter is in operation, there is a potentially lethal voltage inside which persists for a further 80 seconds after the power supply is disconnected.
  • Page 20 The inverter meets the requirements of VDE-AR-N 4105. IP65 IP65 Protection class IP65 CE marking. With this marking, Delta declares that the inverter meets the stipulations of the applicable EU directives. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 21: Operating Behaviour

    5 Operating behaviour Operating behaviour The MPP input voltage range at full power is used to define the DC input voltages for which the inverter can deliver the maximum output power. However the actual output power still depends on General mode of operation other conditions such as, for example, the ambient temperature.

  • Page 22: Planning The Installation

    6 Planning the installation Planning the installation This chapter is intended only as an aid to plan- ning the installation work. The implementation of the installation work and the associated dan- gers are described in the chapter “Installation”. Installation location ✘...

  • Page 23: Outside Installations

    6 Planning the installation Outside installations Fig. 6.4: Outside installations ► The inverter is classified IP65 and can be installed inside and outside. Nevertheless, the inverter should be protected from direct solar irradiation, rain and snow by means of a roof. If, for example, the inverter becomes too hot as a result of solar irradiation, the output will be reduced.

  • Page 24: Environmental Conditions And Air Circulation

    6 Planning the installation Environmental conditions and air circu- lation >30 cm >30 cm >30 cm Fig. 6.1: Mounting clearances and air circulation ► Ensure adequate air circulation. Warm air must be able to escape upwards. Leave sufficient space around each inverter.

  • Page 25: Characteristics

    6 Planning the installation Characteristics 820 V DC 635 V DC P/Pn cos φ 355 V DC 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0.55 0.50 Ambient temperature [ °C] Fig. 6.2: M15A characteristic “Power limiting as a function of ambient temperature, cos φ = 0.90” Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...
  • Page 26 6 Planning the installation 820 V DC 635 V DC P/Pn cos φ 0.95 355 V DC 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0.55 0.50 Ambient temperature [ °C] Fig. 6.3: M15A characteristic “Power limiting as a function of ambient temperature, cos φ = 0.95" Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...
  • Page 27 6 Planning the installation 820 V DC 635 V DC P/Pn cos φ 1.00 355 V DC 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0.55 0.50 Ambient temperature [ °C] Fig. 6.4: M15A characteristic “Power limiting as a function of ambient temperature, cos φ = 1.0 Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...
  • Page 28 6 Planning the installation 820 V DC 635 V DC P/Pn cos φ 470 V DC 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0.55 0.50 Ambient temperature [ °C] Fig. 6.5: M20A characteristic “Power limiting as a function of ambient temperature, cos φ = 0.90” Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...
  • Page 29 6 Planning the installation 820 V DC 635 V DC P/Pn cos φ 0.95 470 V DC 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0.55 0.50 Ambient temperature [ °C] Fig. 6.6: M20A characteristic “Power limiting as a function of ambient temperature, cos φ = 0.95" Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...
  • Page 30 6 Planning the installation 820 V DC 635 V DC P/Pn cos φ 1.00 470 V DC 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0.55 0.50 Ambient temperature [ °C] Fig. 6.7: M20A characteristic “Power limiting as a function of ambient temperature, cos φ = 1.0 Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 31: Dimensions

    6 Planning the installation Dimensions 129° Fig. 6.8: Dimensions of mounting plate (in mm) Fig. 6.9: Dimensions of inverter (in mm) Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 32: Ac Connection (Grid)

    The inverter thus meets the requirements of DIN VDE 0100-712. Possible fault events have been investigated by Delta in compli- ance with the currently applicable installation standards. The investigations have shown that no dangers arise if the inverter is operated in combination with an upstream residual current device (RCD), Type A.

  • Page 33: Dc Connection

    6 Planning the installation DC connection 6.8.1 Symmetric and asymmetric configuration of the DC inputs NOTE The inverter has an MPP tracker for each DC input (DC 1 and Incorrectly dimensioned solar installation. DC 2). An incorrectly dimensioned solar installation can The two MPP trackers work independently of one another;...

  • Page 34: Separate And Parallel Connected Dc Inputs

    6 Planning the installation 6.8.2 Separate and parallel connected DC inputs Symmetric configuration The inverter can be used with separately or parallel connected Input Current DC inputs. I max Separately connected DC inputs PV array Max. Power MPPT Range U startup U max Input Voltage DC wiring...
  • Page 35 6 Planning the installation Parallel-connected DC inputs PV array DC wiring Distribution box – Fig. 6.14: Parallel-connected DC inputs The module strings are brought together in a distribution box and then the DC cables are connected to DC 1 and DC 2. MPP tracker 1 controls all the module strings;...

  • Page 36: Connecting To Ungrounded Solar Modules

    6 Planning the installation 6.8.3 Connecting to ungrounded solar modules When solar modules that are not grounded are used, the DC inputs can be connected separately or in parallel. PV array AC wiring 3P4W 3P3W 1 - L1 1 - L1 2 - L2 2 - L2 3 - L3...

  • Page 37: Connecting To Grounded Solar Modules

    After commissioning, the insulation monitoring on the inverter display must be set, see “9.12 Insulation mode and insulation resistance”, page 94. PV array Utility parallel DC inputs 3-phase, 230/400 V ONLY star or delta connection Isolated Isolated DC wiring transformer transformer Inverter...

  • Page 38: Connecting The Dc Strings To The Dc Inputs

    6 Planning the installation 6.8.5 Connecting the DC strings to the DC inputs Check the polarity of the DC voltage before connecting the solar modules to the inverter. The negative terminals of the solar modules must be connected to DC–, the positive terminals to DC+. The connection schemes shown in the following can also be mixed.

  • Page 39: Connecting To A Data Logger

    ► Run the RS485 cable at a distance from the other cables to 6.11 Connecting a ripple control receiver prevent interference to the data link. Please contact Delta customer service if you want to connect a Requirements for the cables ripple control receiver. You will find the contact data on the last page of this document.

  • Page 40: Connecting A Pc To The Inverter

    Delta Service Software inverter USB-RS485-Adapter and Delta Service Software are available from Delta. Please contact Delta customer service in your own country. You will find the contact data on the last page of this document. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 41: What You Need

    6 Planning the installation 6.14 What you need Only tools and materials that are not included in the delivery are listed in this section. 6.14.1 To assemble the inverter Part Quantity Description The mounting plate must be fastened with 6 to 12 M6 bolts. Depending on where the inverter is to be mounted (e.g.

  • Page 42: To Connect The Inverter To The Solar Modules

    6 Planning the installation Part Quantity Description Ferrules must be used on the wire ends of the AC cable to ensure that there is adequate electrical contact between the AC plug and the AC cable. Use crimping pliers to attach the ferrules to the wires. Wire end ferrules 4 - 5 6.14.3 To connect the inverter to the solar modules...

  • Page 43: To Ground The Inverter Housing

    Twisted and shielded cable (CAT5 or CAT6) with a cable diameter of 5 mm Cable and a wire cross-section of 1 mm For connecting to SOLIVIA Monitor, the internet-based monitoring system from Delta. SOLIVIA Gateway M1 G2 Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 44: To Connect A Pc

    6 Planning the installation 6.14.6 To connect a PC Part Quantity Description To connect a PC to the inverter. Available from Delta USB-RS485 adapter 2-core conductor Bell wire. Both ends open. Delta Service Software To change the settings on the inverter. Available from Delta 6.14.7 Other parts...

  • Page 45: Installation

    7 Installation Installation ► Never open the inverter housing! Otherwise the guarantee will be void. ► Read the chapter “1. Planning the installa- tion”, page 1 and this chapter through completely before starting work on the instal- Sequence of installation steps lation.

  • Page 46: Installing The Inverter

    7 Installation Installing the inverter Fit the inverter into the mounting plate. WARNING Heavy weight The inverter is very heavy. ► The inverter must be lifted and carried by at least 2 people or with suitable lifting gear. Fasten the mounting plate to the wall or to the mounting system using 6 to 12 M6 screws.
  • Page 47 7 Installation Check that the lower edge of the inverter is resting correctly against the wall or mounting system. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...
  • Page 48 7 Installation Fasten the inverter to the wall or mounting system. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 49: Grounding The Inverter Housing

    7 Installation Grounding the inverter housing WARNING High current ► Always comply with the local regulations regarding the requirements for the grounding cable. ► Even if there are no local regulations, the inverter housing should always be grounded to increase safety. ►...

  • Page 50: Connecting A Data Logger Via Rs485

    DIP switch for RS485 termination resistor 4 External power off (RJ45) Terminal assignment of the RS485 terminal block Connection to a Delta SOLIVIA Gateway M1 G2 Individual wires are connected at the inverter end; an RJ45 plug is used at the Gateway end.
  • Page 51 7 Installation Connection diagram for an individual inverter Termination resistor = ON RS485 Data logger Fig. 7.4: Connection diagram: Single inverter to data logger Connection diagram for several inverters ► If the data logger has no integrated RS485 termination resis- tor, then switch on the RS485 termination resistor on the first inverter.

  • Page 52: Wiring A Single Inverter

    7 Installation 7.5.2 Wiring a single inverter Withdraw the communications card. Twist off the cable gland from the communications connector and remove the gland and seal. Pull the cable through the cable gland and seal. Do not remove the rubber plugs from the unused lead- throughs in the seal.
  • Page 53 7 Installation Set the DIP switch for the RS485 termination resistor to the Fit the seal and cable gland and tighten the cable gland. ON position. Insert the communications card. Fit the cover and tighten the screws. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 54: Wiring Several Inverters

    7 Installation 7.5.3 Wiring several inverters Data logger On the first inverter: Twist off the cable gland from the com- munications connector and remove the gland and seal. Withdraw the communications card. Pull the cable coming from the data logger and the cable go- ing to the second inverter through the gland and the seal.
  • Page 55 7 Installation Set the DIP switch for the RS485 termination resistor to the Fit the seal and cable gland and tighten the cable gland. OFF position. Insert the communications card. Fit the cover and tighten the screws. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...
  • Page 56 7 Installation Data logger On the second and every additional inverter (apart from the last): Twist off the cable gland from the communications con- nector and remove the gland and seal. Withdraw the communications card. Pull the cable coming from the previous inverter and the ca- ble going to the next inverter through the gland and the seal.
  • Page 57 7 Installation Set the DIP switch for the RS485 termination resistor to the Fit the seal and cable gland and tighten the cable gland. OFF position. Insert the communications card. Fit the cover and tighten the screws. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...
  • Page 58 7 Installation Datenlogger On the last inverter: Twist off the cable gland from the com- munications connector and remove the gland and seal. Withdraw the communications card. Pull the cable coming from the penultimate inverter through the cable gland and seal. Do not remove the rubber plugs from the unused lead- throughs in the seal.
  • Page 59 7 Installation Connect the wire for DATA+ to terminal 5 and the wire for DATA– to terminal 6. Fit the seal and cable gland and tighten the cable gland. Set the DIP switch for the RS485 termination resistor to the ON position.

  • Page 60: Connecting The Dry Contacts

    7 Installation Connecting the dry contacts 7.6.2 Wiring dry contacts with no 12 V supply Twist off the cable gland from the communications connector 7.6.1 Introduction and remove the gland and seal. Fig. 7.1: Components on the communications card 1 DIP switch for RS485 termination resistor 2 RS485 (terminal block) 3 Dry contacts (terminal block) 4 External power off (RJ45)
  • Page 61 7 Installation Withdraw the communications card. Fit the cover and tighten the screws. Pull the cable through the cable gland and seal. Do not remove the rubber plugs from the unused lead- throughs in the seal. Fit the seal and cable gland and tighten the cable gland. Connect the two wires to COM and N01.

  • Page 62: Supply

    7 Installation 7.6.3 Wiring dry contacts with an internal 12 V supply Potenzialfreie RS485-Klemmenblock Kontakte Remove the cover screws and then the cover. Lampe Summer Fig. 7.2: Dry contacts with internal 12 V supply for external alarm device, Variant 1 Potenzialfreie RS485-Klemmenblock Kontakte...
  • Page 63 7 Installation Fit the cover and tighten the screws. Connect the wires according to one of the two variants. Wiring according to Variant 1 should look like this: Wiring according to Variant 2 should look like this: Fit the seal and cable gland and tighten the cable gland. Insert the communications card.

  • Page 64: Connecting The External Power Off (Epo)

    7 Installation 7.7.2 Cabling the external power off Connecting the external power off (EPO) Twist off the cable gland from the communications connector and remove the gland and seal. 7.7.1 Introduction Fig. 7.1: Components on the communications card 1 DIP switch for RS485 termination resistor 2 RS485 (terminal block) 3 Dry contacts (terminal block) 4 External power off (RJ45)
  • Page 65 7 Installation Withdraw the communications card. Fit the cover and tighten the screws. Pull the cable through the cable gland and seal. Do not remove the rubber plugs from the unused lead- throughs in the seal. Fit the seal and cable gland and tighten the cable gland. Plug the cable connector into the RJ45 socket.

  • Page 66: Connecting To The Grid (Ac)

    7 Installation Connecting to the grid (AC) The inverter can be connected to 3-phase grids with no neutral conductor (3P3W, 3 phases + PE) and 3-phase grids with a neutral conductor (3P4W, 3 phases + N + PE). ► If the inverter is connected to a grid without neutral conductors, the AC connection type must be changed to 3P3W on the display after commissioning, see “9.17 AC connec-...
  • Page 67 7 Installation Remove the insulation from the cable and the wires. Do not NOTE twist the wire ends as the contact area with the ferrules will be reduced as a result. Pay attention to the phase assignment when connecting the AC cable to the AC plug. Incorrect 52,5 mm wiring can destroy the inverter.
  • Page 68 7 Installation Remove the sealing cap from the AC terminal and keep it. Plug the AC plug into the AC terminal on the inverter and tighten. Secure the AC cable with a strain relief. If the inverter is connected to a grid without neutral conduc- tors, set the connection type to 3P3W on the display after commissioning, see “9.17 AC connection type”, page 104.

  • Page 69: Connecting To The Solar Modules (Dc)

    7 Installation Connecting to the solar modules (DC) Remove the sealing caps from the DC terminals and keep them. Do not remove the sealing caps from unused DC terminals. DANGER Electric shock There is a potentially lethal voltage present on the DC terminals of the inverter. The solar modules start to produce current as soon as light falls on them.

  • Page 70: Attaching Warning Labels To The Inverter

    7 Installation 7.10 Attaching warning labels to the inverter 7.11 Connecting a PC via RS485 ► Attach all the necessary warning labels to the inverter. Al- Inverter USB/RS485 adapter ways comply with the local regulations when doing this. Some examples of warning labels are shown below. Do not work on this equipment until it is located WARNING from both mains and on site generation supplies.

  • Page 71: Commissioning

    8 Commissioning Commissioning Press the button to confirm. The inverter must be installed correctly, see “7. Installation”, page 45. Press the button to confirm the selection. For information on operating the display buttons, see “7. Installa- tion”, page 45. Confirm country 21.

  • Page 72: Settings

    9 Settings Settings Overview Display language ......73 Display contrast ....... 75 Display brightness .

  • Page 73: Display Language

    9 Settings Display language Using the buttons, select the Settings entry and press the button. Overview You can set the display language with this function. Menu 21. Jun 2013 09:30 E-Today Path to the menu item Power Meter Main Menu > Settings > Personal Settings > Language Energy Log Event Log Setting options...
  • Page 74 9 Settings Personal Settings 21. Jun 2013 09:30 Language [ English ] Date 21 06 2013 (DD/MM/YYYY) Time Screen Saver [ 5 min ] Brightness [ 3 ] Contrast [ 2 ] Use the buttons to select a language. Personal Settings 21.

  • Page 75: Display Contrast

    9 Settings Display contrast Using the buttons, select the Settings entry and press the button. Overview You can set the display contrast with this function. Menu 21. Jun 2013 09:30 E-Today Path to the menu item Power Meter Main Menu > Settings > Personal Settings > Contrast Energy Log Event Log Setting options...
  • Page 76 9 Settings Personal Settings 21. Jun 2013 09:30 Language [ English ] Date 21 / 06 / 2013 (DD/MM/YYYY) Time 08 : 53 Screen Saver [ 5 min ] Brightness [ 3 ] Contrast [ 2 ] Use the buttons to select the value. Personal Settings 21.

  • Page 77: Display Brightness

    9 Settings Display brightness Using the buttons, select the Settings entry and press the button. Overview You can set the display brightness with this function. Menu 21. Jun 2013 09:30 E-Today Path to the menu item Power Meter Main Menu > Settings > Personal Settings > Brightness Energy Log Event Log Setting options...
  • Page 78 9 Settings Personal Settings 21. Jun 2013 09:30 Language [ English ] Date 21 / 06 / 2013 (DD/MM/YYYY) Time 08 : 53 Screen Saver [ 5 min ] Brightness [ 3 ] Contrast [ 2 ] Use the buttons to select the value. Personal Settings 21.

  • Page 79: Automatic Switch-Off Of Display Illumination

    9 Settings Automatic switch-off of display illumi- Using the buttons, select the Settings entry nation and press the button. Overview Menu 21. Jun 2013 09:30 Using this function, you can set the number of minutes until the display illumination switches off automatically. E-Today Power Meter Path to the menu item...
  • Page 80 9 Settings Personal Settings 21. Jun 2013 09:30 Language [ English ] Date 21 / 06 / 2013 (DD/MM/YYYY) Time 08 : 53 Screen Saver [ 5 min ] Brightness [ 3 ] Contrast [ 2 ] Use the buttons to select the value. Personal Settings 21.

  • Page 81: Date

    9 Settings Date Using the buttons, select the Settings entry and press the button. Overview You can set the date with this function. Menu 21. Jun 2013 09:30 ► The date and time must be correctly set to E-Today ensure accurate calculation of the statistics in Power Meter the inverter and in monitoring systems.
  • Page 82 9 Settings Using the buttons, set the value and press the Personal Settings 21. Jun 2013 09:30 button. Language [ English ] Date 06 2013 Personal Settings 21. Jun 2013 09:30 (DD/MM/YYYY) Time Language [ English ] Screen Saver [ 5 min ] Date 2013 Brightness...
  • Page 83 9 Settings Personal Settings 24. Dec 2015 09:30 Language [ English ] Date 24 / 12 / 2015 (DD/MM/YYYY) Time 09 : 30 Screen Saver [ 5 min ] Brightness [ 3 ] Contrast [ 2 ] Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 84: Time

    9 Settings Time Using the buttons, select the Settings entry and press the button. Overview You can set the time with this function. Menu 21. Jun 2013 09:30 ► The date and time must be correctly set to E-Today ensure accurate calculation of the statistics in Power Meter the inverter and in monitoring systems.
  • Page 85 9 Settings Using the buttons, set the value and press the button. Personal Settings 21. Jun 2013 09:30 Language [ English ] Date 21 / 06 / 2013 (DD/MM/YYYY) Time : 53 Screen Saver [ 5 min ] Brightness [ 3 ] Contrast [ 2 ] →...

  • Page 86: Baud Rate For Rs485

    9 Settings Baud rate for RS485 Using the buttons, select the Settings entry and press the button. Overview You can set the baud rate for RS485 with this function. Menu 21. Jun 2013 09:30 ► If several inverters are interconnected via E-Today RS485, the same baud rate must be set on Power Meter...
  • Page 87 9 Settings Coefficients Settings 21. Jun 2013 09:30 CO2-Saved kg/kWh [ 0.00 ] Earning Value/kWh [ 0.00 ] Currency [ € ] Baud rate [ 19200 ] Use the buttons to select the value. Coefficients Settings 21. Jun 2013 09:30 CO2-Saved kg/kWh [ 0.00 ] [ 0.00 ]...

  • Page 88: Inverter Id

    9 Settings Inverter ID Using the buttons, select the Settings entry and press the button. Overview You can set the inverter ID with this function. Menu 21. Jun 2013 09:30 If there are several inverters interconnected in E-Today the PV installation, a different inverter ID must be Power Meter defined for each inverter.
  • Page 89 9 Settings Using the buttons, select the Inverter ID Press the button to confirm. entry and press the button. þ The inverter ID is set. Install Settings 21. Jun 2013 09:30 Install Settings 21. Jun 2013 09:30 Inverter ID Insulation Inverter ID RCMU Insulation...

  • Page 90: Co Savings

    9 Settings 9.10 CO savings Using the buttons, select the Settings entry and press the button. Overview This function can be used to enter how many kilograms of CO2 Menu 21. Jun 2013 09:30 are saved per kWh on the inverter. The value is used for the calculation of total savings.
  • Page 91 9 Settings Coefficients Settings 21. Jun 2013 09:30 CO2-Saved kg/kWh [ 0.00 ] Earning Value/kWh [ 0.00 ] Currency [ € ] Baud rate [ 19200 ] Use the buttons to select the value. Coefficients Settings 21. Jun 2013 09:30 CO2-Saved kg/kWh [ 1.00 ] Earning Value/kWh...

  • Page 92: Currency

    9 Settings 9.11 Currency Using the buttons, select the Settings entry and press the button. Overview This function can be used to set the currency for calculating the Menu 21. Jun 2013 09:30 feed-in remuneration. E-Today Path to the menu item Power Meter Main Menu >...
  • Page 93 9 Settings Coefficients Settings 21. Jun 2013 09:30 CO2-Saved kg/kWh [ 0.00 ] Earning Value/kWh [ 0.00 ] Currency [ € ] Baud rate [ 19200 ] Use the buttons to select the value. Coefficients Settings 21. Jun 2013 09:30 CO2-Saved kg/kWh [ 0.00 ] Earning Value/kWh...

  • Page 94: Insulation Mode And Insulation Resistance

    Settings entry ance and press the button. This setting should only be changed after consul- Menu tation with Delta customer service. 21. Jun 2013 09:30 E-Today Power Meter Overview Energy Log You can set the insulation mode and insulation resistance with Event Log this function.
  • Page 95 9 Settings Using the buttons, select the Insulation Use the buttons to select a mode. entry and press the button. Insulation 21. Jun 2013 09:30 Install Settings 21. Jun 2013 09:30 Mode Negative Ground Resistance ] kohm Inverter ID Insulation RCMU Country UK G59/3 230V...
  • Page 96 9 Settings Insulation 21. Jun 2013 09:30 Mode Resistance ] kohm Use the buttons to select the value. Insulation 21. Jun 2013 09:30 Mode Resistance kohm Press the button to confirm. þ The insulation mode and insulation resistance are set. Install Settings 21.

  • Page 97: Reconnection Time

    Using the buttons, select the Settings entry and press the button. This setting should only be changed after consul- tation with Delta customer service. Menu 21. Jun 2013 09:30 Overview E-Today Using this function you can set a reconnection time for occasions...
  • Page 98 9 Settings Using the buttons, select the Reconnection Press the button to confirm. Time entry and press the button. þ The reconnection time is set. Install Settings 21. Jun 2013 09:30 Install Settings 21. Jun 2013 09:30 Inverter ID Inverter ID Insulation Insulation RCMU...

  • Page 99: Ramp-Up Power

    Using the buttons, select the Settings entry and press the button. This setting should only be changed after consul- tation with Delta customer service. Menu 21. Jun 2013 09:30 Overview E-Today Using this function you can define the rise in active power for...
  • Page 100 9 Settings Using the buttons, select the Ramp-up Power Press the button to confirm. entry and press the button. þ The reconnection time is set. Install Settings 21. Jun 2013 09:30 Install Settings 21. Jun 2013 09:30 Inverter ID Inverter ID Insulation Insulation RCMU...

  • Page 101: Dry Contacts

    9 Settings 9.15 Dry contacts Overview This function has no setting options. Path to the menu item Main Menu > Settings > Install Settings > Dry contact Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 102: External Power Off (Epo)

    Alternatively, press the button repeatedly until the main EX IT menu is displayed. Enter the password that you received from Delta customer service. Energy Log - Day 21. Jun 2013 09:30 Use the buttons to set the individual digits.
  • Page 103 9 Settings Using the buttons, select the EP0 1 entry and Press the button to confirm. press the button. þ The relay is set. Install Settings 21. Jun 2013 09:30 Install Settings 21. Jun 2013 09:30 Reconnection Time Reconnection Time Ramp-up Power Ramp-up Power AC Connection...

  • Page 104: Ac Connection Type

    9 Settings 9.17 AC connection type Using the buttons, select the Settings entry and press the button. Overview By default, the inverter is set for an AC connection with 3 phases Menu 21. Jun 2013 09:30 and a neutral conductor (3P4W). If you are connecting the inverter without a neutral conductor, you must change the AC E-Today connection type after commissioning.
  • Page 105 9 Settings Using the buttons, select the AC Connection Press the button to confirm. entry and press the button. þ The AC connection type is set. Install Settings 21. Jun 2013 09:30 Install Settings 21. Jun 2013 09:30 AC Connection 3P4W AC Connection 3P3W...

  • Page 106: Country/Grid Type

    9 Settings 9.18 Country/Grid type Using the buttons, select the Settings entry and press the button. Overview Country or grid type is set during commissioning. Menu 21. Jun 2013 09:30 With this function you can change the country or the grid type after commissioning.
  • Page 107 9 Settings Using the buttons, select the Country entry Press the button to confirm. and press the button. þ The country or the grid type is set. Install Settings 21. Jun 2013 09:30 Install Settings 21. Jun 2013 09:30 Inverter ID Inverter ID Insulation Insulation...

  • Page 108: Residual Current Monitoring Unit (Rcmu)

    Using the buttons, select the Settings entry (RCMU) and press the button. This setting should only be changed after consul- tation with Delta customer service. Menu 21. Jun 2013 09:30 E-Today Overview Power Meter You can switch the integrated Residual Current Monitoring Unit Energy Log (RCMU) on and off with this function.
  • Page 109 9 Settings Using the buttons, select the RCMU entry and Press the button to confirm. press the button. þ The integrated RCMU is set. Install Settings 21. Jun 2013 09:30 Install Settings 21. Jun 2013 09:30 Inverter ID Inverter ID Insulation Insulation RCMU...

  • Page 110: Dc Injection

    Calling up the menu item If the default information is displayed, press the button EX IT Enter the password that you received from Delta customer to open the main menu. service. Alternatively, press the button repeatedly until the main...
  • Page 111 9 Settings Using the buttons, select the DC Injection Using the buttons, select a mode and press entry and press the button. button. Install Settings DC Injection 21. Jun 2013 09:30 21. Jun 2013 09:30 Inverter ID Mode 1.00 Insulation Trip value RCMU Trip time...
  • Page 112 9 Settings Changing settings Press the button to confirm. → The parameter is set. The procedure is identical for all parameters. DC Injection 21. Jun 2013 09:30 Using the buttons, select a parameter and press the button. Mode 1.50 Trip value Trip time DC Injection 21.

  • Page 113: Resetting The Inverter To Default Settings

    EX IT to open the main menu. Alternatively, press the button repeatedly until the main EX IT menu is displayed. Enter the password that you received from Delta customer Energy Log - Day service. 21. Jun 2013 09:30 2013.06.21 Use the buttons to set the individual digits.
  • Page 114 9 Settings Using the buttons, select the Return to Fac- Using the buttons, select a country and press button. tory entry and press the button. Country Setting - 4/6 Install Settings 21. Jun 2013 09:30 21. Jun 2013 09:30 India Std Inverter ID Italy LV Insulation...
  • Page 115 9 Settings þ The inverter has been reset to the default settings. The de- fault information is displayed. Energy Log - Day 21. Jun 2013 09:30 2013.06.21 Hour Peak Hours: E-Day: Day CO2 Saved: Exit 2013.06.21 Year Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 116: Active Power Limiting

    Energy Log To change this setting you will need a special Event Log password which you can obtain from Delta cus- Operation Data tomer service. You will find the contact data on the last page of this document.
  • Page 117 9 Settings Switching the function on/off Enter the password that you received from Delta customer service. Using the buttons, select the Mode entry and Use the buttons to set the individual digits. press the button. Press the button to confirm a digit.
  • Page 118 9 Settings → The mode is set. Use the buttons to select the value. Active Power Control 21. Jun 2013 09:30 Active Power Control 21. Jun 2013 09:30 Set Point Set Point Actual / Rated Power Rated Actual / Rated Power Rated Mode Mode...

  • Page 119: Controlling The Power By Means Of Frequency

    To change this setting you will need a special The grid frequency at which the inverter password which you can obtain from Delta cus- once more feeds the full active power into tomer service. You will find the contact data on the grid.
  • Page 120 Active/Reactive Power Control Menu 21. Jun 2013 09:30 E-Today Power Meter Energy Log Event Log Enter the password that you received from Delta customer Operation Data service. Inverter Information Settings Use the buttons to set the individual digits. Press the button to confirm a digit.
  • Page 121 9 Settings Using the buttons, select the Active Power Active Power Control 21. Jun 2013 09:30 Control entry and press the button. Actual / Rated Power Actual Start Frequency 50.20 Active / Reactive Power 21. Jun 2013 09:30 Stop Frequency ------ Recovery Frequency 50.05...
  • Page 122 9 Settings Changing settings Press the button to confirm. → The parameter is set. The procedure is identical for all parameters. Active Power Control 21. Jun 2013 09:30 Using the buttons, select a parameter and press the button. Actual / Rated Power Actual Start Frequency 50.30...

  • Page 123: Constant Cos Φ

    With this function you can set a constant cos φ. Power Meter To change this setting you will need a special Energy Log password which you can obtain from Delta cus- Event Log tomer service. You will find the contact data on Operation Data the last page of this document.
  • Page 124 9 Settings Enter the password that you received from Delta customer service. Use the buttons to set the individual digits. Press the button to confirm a digit. Password 21. Jun 2013 09:30 Using the buttons, select the Reactive Power Control entry and press the button.
  • Page 125 9 Settings Switching the function on/off → The mode is set. Using the buttons, select the Mode entry and Reactive Power Control press the button. 21. Jun 2013 09:30 cos φ 1.00 Reactive Power Control Mode 21. Jun 2013 09:30 cos φ...
  • Page 126 9 Settings Use the buttons to select the value. Reactive Power Control 21. Jun 2013 09:30 cos φ 0.90 Mode Press the button to confirm. → The parameter is set. Reactive Power Control 21. Jun 2013 09:30 cos φ 0.90 Mode Finalising the setting Press the...

  • Page 127: Cos Φ (P)

    To change this setting you will need a special The lower limit of the grid voltage range in password which you can obtain from Delta cus- which the function is active. tomer service. You will find the contact data on...
  • Page 128 φ (P) Install Settings Constant Reactive Power Active/Reactive Power Control Q (U) Switching the function on/off Enter the password that you received from Delta customer service. Using the buttons, select the Mode entry and press the button. Use the buttons to set the individual digits.
  • Page 129 9 Settings Using the buttons, select a parameter and Reactive Power Control 21. Jun 2013 09:30 press the button. Lock-out Voltage ----- Mode Reactive Power Control 21. Jun 2013 09:30 er li it cos φ Lower Power ower li it cos φ Ind 0.90 Upper Power Lock-in voltage...
  • Page 130 9 Settings Reactive Power Control 21. Jun 2013 09:30 er li it cos φ Lower Power ower li it cos φ Ind 0.90 Upper Power Lock-in voltage Finalising the setting Press the button to finalise the setting. EX IT þ When the function is switched on, a check mark will be dis- played before the function name.

  • Page 131: Constant Reactive Power

    Energy Log Event Log To change this setting you will need a special Operation Data password which you can obtain from Delta cus- tomer service. You will find the contact data on Inverter Information the last page of this document.
  • Page 132 9 Settings Switching the function on/off Enter the password that you received from Delta customer service. Using the buttons, select the Mode entry and Use the buttons to set the individual digits. press the button. Press the button to confirm a digit.
  • Page 133 9 Settings → The mode is set. Use the buttons to select the value. Reactive Power Control 21. Jun 2013 09:30 Reactive Power Control 21. Jun 2013 09:30 Reactive Power (Q/Sn) Reactive Power (Q/Sn) Mode Mode Changing settings Press the button to confirm.

  • Page 134: Q (U) - Reactive Power By Means Of Voltage

    The upper voltage limit for supplying To change this setting you will need a special inductive reactive power. password which you can obtain from Delta cus- tomer service. You will find the contact data on Setting range: the last page of this document.
  • Page 135 EX IT to open the main menu. Alternatively, press the button repeatedly until the main EX IT Enter the password that you received from Delta customer menu is displayed. service. Use the buttons to set the individual digits. Energy Log - Day 21.
  • Page 136 9 Settings Using the buttons, select the Q (U) entry and Using the buttons, select a mode and press press the button. button. Reactive Power Control Reactive Power Control 21. Jun 2013 09:30 21. Jun 2013 09:30 Constant cos φ Delay Time 10.00 cos φ...
  • Page 137 9 Settings → The value is highlighted and can be changed. Reactive Power Control 21. Jun 2013 09:30 Reactive Power Control 21. Jun 2013 09:30 Constant cos φ cos φ (P) 230.0 Constant Reactive Power 253.0 Q (U) Qs limit Ind 44 230.0 184.0...

  • Page 138: Frt - Fault Ride Through

    K factor 0 .. 10.0 % To change this setting you will need a special password which you can obtain from Delta cus- Voltage drop in percent. tomer service. You will find the contact data on the last page of this document.
  • Page 139 9 Settings Calling up the menu item Using the buttons, select the FRT entry and If the default information is displayed, press the button press the button. EX IT to open the main menu. Alternatively, press the button repeatedly until the main Settings EX IT 21.
  • Page 140 9 Settings Changing settings Reactive Power Control 21. Jun 2013 09:30 The procedure is identical for all parameters. Delay Time 10.00 Mode Using the buttons, select a parameter and press the button. FRT - 1 /2 21. Jun 2013 09:30 Dead band - Vh Dead band - Vl K factor...
  • Page 141 9 Settings Press the button to confirm. → The parameter is set. FRT - 1 /2 21. Jun 2013 09:30 Dead band - Vh Dead band - Vl K factor Vdrop 3.00 Finalising the setting Press the button to finalise the setting. EX IT Settings 21.

  • Page 142: Statistics

    10 Statistics Statistics 10.2 Standard information If no button on the display has been pressed for at least 5 min- 10.1 Where can I find what information utes, the default information will be displayed. There are various menus available on the inverter display which Energy Log - Day 21.

  • Page 143: Power Meter

    10 Statistics 10.3 Power meter Displayed information ► Press the button to scroll. Overview ► Press the button to exit the menu. EX IT The instantaneous values for the DC input and the AC output are shown in this menu. Power Meter - 1/2 21.

  • Page 144: Energy Log

    10 Statistics 10.4 Energy log Displayed information Page 1: Life Runtime Overview The statistics for energy supplied, CO saving, runtime and earn- Statistics - Total ings are displayed in this menu. 21. Jun 2013 09:30 The information is displayed by life runtime, year, month and day. Life Energy: Life Runtime: Path to the menu item...
  • Page 145 10 Statistics Page 3: Monthly statistics Energy Log - Month 21. Jun 2013 09:30 2013.06 Peak Day: E-Month: Month CO2 Saved: Exit 2013.05 ► To scroll between the months, press the but- tons. ► Press the button to display the next page. Page 4: Daily statistics Energy Log - Day 21.

  • Page 146: Event Log

    10 Statistics 10.5 Event log Displayed information ► Press the buttons to scroll. Overview ► Press the button to exit the menu. EX IT The last 30 error messages and their frequency are stored in this menu. Event Summary - 1/8 21.

  • Page 147: Inverter Information

    10 Statistics 10.6 Inverter information Displayed information ► Press the buttons to scroll. Overview ► Press the button to exit the menu. EX IT All the important information about the inverter is stored in this menu. Inverter information 21. Jun 2013 09:30 Path to the menu item Serial Number 01414A00434...

  • Page 148: Error Messages And Troubleshooting

    ► The inverter must be lifted and carried by at least 2 people or with suitable lifting gear. Repair work and the replacement of components in the inverter may only be undertaken by Delta customer service. Exceptions: ► Replacing fans.

  • Page 149: Errors

    11 Error messages and troubleshooting 11.1 Errors Number Message Possible cause of error Suggestions for troubleshooting Power grid frequency is above the OFR setting Check the grid frequency on the inverter display. (overfrequency recognition). AC Freq High Check the country setting on the inverter dis- Incorrect country setting.

  • Page 150: Warnings

    11 Error messages and troubleshooting 11.2 Warnings Number Message Possible cause of error Suggestions for troubleshooting Check the DC input voltage at DC1 on the DC input voltage at DC1 is below the minimum Solar1 Low inverter display. required DC input voltage. The solar irradiation is possibly too low.

  • Page 151: Malfunctions

    11.3 Malfunctions Number Message Possible cause of error Suggestions for troubleshooting F36, F37, Overvoltage during operation. Consult Delta customer service. AC Current High F38, F39, Internal fault. Consult Delta customer service. F40, F41 Not completely independent or parallel between Check the input connections.
  • Page 152 F18, HW Red ADC1, DC voltage. The solar irradiation is possibly too low. HW Red ADC2 Internal fault. Consult Delta customer service. HW ZC Fail Internal fault. Consult Delta customer service. RCMU Fail Internal fault. Consult Delta customer service.

  • Page 153: Maintenance

    ► Protect the DC cables from being inadver- tently touched. Repair work and the replacement of components in the inverter may only be undertaken by Delta customer service. Exceptions: ► Replacing fans. ► Cleaning air inlets/outlets.

  • Page 154: Cleaning/Replacing Fans

    12 Maintenance 12.2 Cleaning/replacing fans Unscrew and carefully withdraw the fan block. NOTE After the fan block has been unscrewed, the full weight of the block is hanging on the power sup- ply cables for the two fans. ► Support the fan block with one hand while unscrewing it.
  • Page 155 12 Maintenance Unplug the power supply cables from the fan connections. Plug the power supply cables back into the fan connections. Clean the fans with a compressed air cleaner or a stiff brush. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...
  • Page 156 12 Maintenance Insert the fan block and screw it on. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

  • Page 157: Cleaning Air Outlets

    12 Maintenance 12.3 Cleaning air outlets NOTE Do not use any sharp, pointed or hard objects for cleaning. Unscrew and remove the covers of the air outlets on both sides. Fit the covers to the air outlets and screw them on. Clean the filters with a compressed air cleaner or a stiff brush.

  • Page 158: Shutdown, Storage

    13 Shutdown, storage Shutdown, storage Disconnect the connection between the inverter and the solar modules (DC). Disconnect the connection between the inverter and the grid DANGER (AC). Electric shock Use a voltmeter to check that there is no voltage on the AC During operation there is a potentially lethal volt- and DC connections.
  • Page 159 13 Shutdown, storage Remove the cover screws and then the cover. Close the DC terminals with the sealing caps. Withdraw the communications card. Removing the communications cable Twist off the cable gland from the communications connector and withdraw the gland and seal. Remove the cables and reinsert the communications card.
  • Page 160 13 Shutdown, storage Fit the cover and tighten the screws. Removing the grounding cable Unscrew the grounding cable. Insert the grommets in the seal. Refit the grounding screw, spring washer, flat washers and serrated washer. Fit the seal and cable gland and tighten the cable gland. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...
  • Page 161 13 Shutdown, storage Removing the inverter Unscrew the inverter from the wall or the mounting system on both sides. Lift the inverter out of the mounting plate. Place the inverter in its original box. To store the inverter, pack all the parts that were delivered (see “4.1 Scope of delivery”, page 11) in the original box.

  • Page 162: Technical Data

    14 Technical data Technical data Input (DC) RPI M15A RPI M20A Maximum recommended PV power 19 kW 25 kW Maximum input power (per input) 16.5 kW (11.1 kW) 22 kW (14.8 kW) Nominal power 15.6 kW 20.6 kW Input voltage range 200 ...
  • Page 163 AC plug Amphenol C16-3 (C016 20E004 800 2) DC terminal type Multi-Contact MC4 Communications interfaces 2 x RS485, 1 x dry contact, 1 x external power off (EPO) General specifications RPI M15A RPI M20A Delta model name RPI-M15A RPI-M20A Delta part number RPI153FA0E0000 RPI203FA0E0000 Maximum efficiency 98.3% 98.4%...
  • Page 164 Other European countries support.europe@solar-inverter.com +49 7641 455 549 © Copyright – Delta Energy Systems (Germany) GmbH – All rights reserved. All information and specifications can be modified without prior notice. Installation and Operating Manual for RPI M15A M20A Solar Inverter V1.0 2016-03-18...

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