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Summary of Contents for Delta M250HV
- Page 1 Installation and Commissioning Instructions Solar inverter M250HV_112 (Delta part number RPI254M112000) Product version 0 Europe Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11...
- Page 2 Delta Service Software (DSS) version 6.0 or higher sion Identification of the product and the product version The Delta part number and the product version can be found on the type plate of the inverter. Delta manuals undergo continuous revision in order to provide complete information regarding the installation and operation of its inverters.
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Page 3: Table Of Contents
Table of Contents Safety instructions Package Accessories/software to be ordered separately Components of the inverter Dimensions Planning the installation site Lifting and transporting the inverter Installing the inverter Grounding the inverter housing Connecting the communications card Connecting a data logger using RS485 Connecting the grid Connecting the solar modules Commissioning... -
Page 4: Safety Instructions
Safety instructions DANGER Read this manual in full before starting work Electric shock on the inverter. Potentially fatal voltages are present at the DC connections of the inverter. When light falls on the solar modules, they immedi- DANGER ately start to generate electricity. This also Electric shock happens when light does not fall directly on the solar modules. - Page 5 6 mm (copper). ● All repair work on the inverter must be carried out by Delta Electronics. Otherwise the warranty will be void. WARNING ● Warning notices, warning symbols and other mark- Hot surfaces...
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Page 6: Package
Package Inverter Inverter M250HV_112 For wall mounting (suspended) Mounting bracket + M12 screw, spring washer and Mounting plate washer For mounting the inverter on the wall For securing the solar inverter to the bracket For connecting to the solar modules (DC connection) H4 Plus DC connectors for Pair of Amphenol Mounting tool for DC plug... - Page 7 ► Check that the package is complete and check all components for damage before starting installation work. ► Do not use any damaged components. ► Contact Delta Customer Service if the scope of delivery does not match the description in this manual. ► Keep the packaging.
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Page 8: Accessories/Software To Be Ordered Separately
Delta Service Software (DSS) for Windows PC The inverters are commissioned and set up using the Delta Service software, for which a Windows PC is required. The Windows PC is connected to the inverters using the RS485 interface. -
Page 9: Components Of The Inverter
Components of the Inverter List of components and connections Screw thread for Screw thread for carrying handle carrying handle DC disconnectors for MPP trackers 1 to 6 Connector vor Sub-1G antenna Air outlet Air inlet (fan module with 4 fans) DC connection panel for Label with assign- 30 module strings... - Page 10 Components of the Inverter AC connection box and communication card Cable gland for AC cable AC terminal block Communication card Cable gland for communication cable RS485 / 12 VDC DIP switch for RS485 Surge protection device termination resistor Type 3 Digital inputs External power-off Dry contacts...
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Page 11: Dimensions
Dimensions Wall mounting 1004 117,5 Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11... - Page 12 Dimensions Floor mounting 1004 310 *) 659 *) *) Mounting hole spacing Dimensions of the inverter for floor mounting Fig. 4.1: Dimensions of the mounting feet for floor mounting Fig. 4.2: Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11...
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Page 13: Planning The Installation Site
Planning the installation site Installation site Requirements for the wall, floor and mounting Outdoor installations system ► The inverter is heavy. The wall, floor and mounting system must be able to bear the weight of the invert- ► Always use the mounting plate supplied with the inverter for wall mounting. - Page 14 Planning the installation site Installation clearances and air circulation > 400 > 800 > 600 Fig. 4.3: Minimum clearances for air circulation without considering the location of the DC cables > 1330 > 780 > ??? Fig. 4.4: Installation clearances for the mounting plates taking into account the minimum distances for air circulation Fig. 4.3 Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11...
- Page 15 Have your ventilation plan checked by Delta Customer Service to avoid problems during opera- tion. Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11...
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Page 16: Lifting And Transporting The Inverter
Lifting and transporting the inverter Manual lifting with 4 carrying handles (can be ordered separately). Remove AC cable gland if right carrying handle is to be used. Lifting with 2 O-rings (M12) and lifting equipment Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11... -
Page 17: Installing The Inverter
► At least three people are required to lift and carry the inverter. Always check with Delta Customer Service first if you intend to deviate from the instruc- tions given in this section. - Page 18 Installing the inverter Floor mounting (upright, optional) The mounting feet for floor mounting must be ordered separately. The mounting feet are supplied with 2 screws, spring washers and washers for mounting on the inverter. Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11...
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Page 19: Grounding The Inverter Housing
Grounding the inverter housing 1. Attach the ground cable to one of the ground con- nections at the bottom left or bottom right. Size Torque Parts required 24.5 Nm Screw, spring washer, washer, toothed washer 3.9 Nm Table 4.1.: Size, torques and parts required for the ground con- nections 2. -
Page 20: Connecting The Communications Card
Connecting the communication card There is no need to remove the card for the installation work. All connections are acces- sible without its removal. Check which approach suits you better. Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11... - Page 21 Connecting the communication card Connections on the communication card DATA – DATA + DATA – RS485 DATA + VCC (12 V, 0,5 A) DIP switch for RS485 termination resistor Maximum feed-in power Digital inputs 100% Dry contacts Ripple control receiver External Power-Off RS485 Shielded and twisted pair...
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Page 22: Connecting A Data Logger Using Rs485
Connecting a data logger using RS485 Connecting a single inverter to a data logger Inverter RS485 Termination resistor Data logger Connecting multiple inverters to a data logger Last Inverter All inverters in between 1st Inverter Termination resistor Termination resistor Termination resistor RS485 RS485 RS485... -
Page 23: Connecting The Grid
(mounted on the requirements of DIN VDE 0100-712. the inverter) Possible error events were assessed by Delta in accor- dance with the current installation standards. The assess- Table 4.3.: Size, torques and parts required for the ground con-... - Page 24 Connecting the grid AC connection box 30 ... 35 Nm PE / L2 L1 / L3 Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11...
- Page 25 Connecting the grid Cable glands Included in the scope of delivery. Cable diameter (mm) Torque (Nm) P (mm) 72 to 77 65 to 72 57 to 65 45 to 57 max 0.5 33 to 45 max 0.5 Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11...
- Page 26 Connecting the grid Select and calculate the AC cable Technical properties of the AC terminal block Conductor material Wire-end ferrule material M12 bolts; matching nuts, Copper Connection type spring washers and washers Copper are ready-fitted. Tin-plated copper Tin-plated aluminum Rated current I 96 A Aluminum Aluminum-on-copper bimetallic...
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Page 27: Connecting The Solar Modules
Connecting the solar modules General information When selecting protective devices (such as string fuses), always cater for the maximum current rating of the solar modules. Polarity of the DC voltage ► Check the polarity of the module strings before con- necting the solar modules. - Page 28 Connecting the solar modules Assigning the DC connections to the DC isolating switches DC SWITCH DC SWITCH MPPT 1 / 2 / 3 MPPT 4 / 5 / 6 MPPT 1 MPPT 4 MPPT 2 MPPT 5 MPPT 3 MPPT 6 MPPT 10 MPPT 7 MPPT 11...
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Page 29: Commissioning
Commissioning ● You will require a Windows PC with the Delta Service Software (DSS) for the commissioning procedure. Download link: https://solarsolutions.delta-emea.com/ en/Solar-Inverter-Support-171.htm. This download link also contains instructions for DSS. ● You will also need a RS485/USB adapter to con- nect a PC to the RS485 bus. -
Page 30: Led Status Indicators
LED status indicators Grid Alarm Explanation Green Yellow Solar panel system failure. The inverter is no longer supplying electricity. Solar system warning. The inverter continues to supply electricity. No DC. Also appears when all DC isolating switches are open. Grid Updating firmware. -
Page 31: Rating Plate And Markings On The Inverter
The address of the authorized contact person for this product in the EU. Zandsteen 15, 2132 MZ Hoofddorp, The Netherlands CE mark. By applying this mark, Delta declares that the inverter satisfies the provisions of the applicable EU directives. Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11... - Page 32 Rating plate and markings on the inverter Symbols on the rating plate Meaning This inverter is not separated from the grid by a transformer. Before working on the inverter, read the supplied manual and follow the instructions provided. The inverter housing can become very hot during operation. The inverter housing must be grounded if this is required by local regula- tions.
- Page 33 Rating plate and markings on the inverter Sticker with information about the AC terminal Sticker with information about the DC connec- block tions The sticker is located on the inside of the door of the AC The sticker is located on the inside of the door of the AC connection box.
- Page 34 Rating plate and markings on the inverter Sticker with information about working on the open inverter The sticker is located on the inside of the door of the AC connection box. The sticker contains general information for working on the open inverter.
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Page 35: Technical Data
Technical data Input (DC) M250HV 26 kW/250 kW Maximum input power (per MPP Tracker/total) 250 kW Rated power 500 to 1500 V Input voltage range for operation 1600 V Max. input voltage 1150 V Rated voltage 12 (6 x 2 DC inputs + 6 x 3 DC inputs) - Page 36 RS485, sub-1G (optional) Communication Modbus RTU Communication protocols General specifications M250HV M250HV_112 Delta model name RPI254M112000 Delta part number -30 to +60 °C Overall operating temperature range 0 to 100%, non-condensing Relative humidity 4000 m above sea level Max.
- Page 38 Other European countries support.europe@solar-inverter.com +49 7641 455 549 © Copyright – Delta Electronics (Netherlands) B.V. – All rights reserved. All information and specifications can be modified without prior notice. Installation manual M250HV_112 (RPI254M112000) Product Version 0 EU V1.0 EN 2022-04-11...
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