Home

DRI-10 Installation Manual

1. sees enne 66 Bi Out of Warranty SCLVICE dnte det mp e te demere Pe en 66 B 3 Contact Information eren eed eda 66 B 4 Information About This System iii 67 4411 0005 Rev 1 4 Contents Figures Figure 1 Symbolic single line diagram of DRI 10 i 19 Figure 2 Symbolic representation of the DRI 10 with isolation transformer in 20 Figure 3 Functional power diagram of the DRI 10 essere ener rennen 21 Figure 4 Closed DRI 10 metal enclosure eene nete ener rennen 21 Figure 5 Touch Screen HMI mounted in front door of DRI 10 enclosure eene 22 Figure 6 View of DRI 10 enclosure when front door is opened ii 22 Figure 7 Picture of DRI 10 control Panel showing disconnects in the open position 23 Figure 8 DRI 10 integrated PSU fuses 24 Figure 9 Main User Power Terminal Blocks of DRI 10 in top part of enclosure 25 Figure 10 Single line diagram of DRI 10 inverter in off grid configuration eee 27 Figure 11 Single line diagram of DRI 10 in on grid configuration 28 Figure 12 Position of the internal isolation transformer in the DRI 10 enclosure 29 Figure 13 Outer dimensions of DRI 10 inverter i 32 Figure 14 Bott
2. Harmonics lt 5 THD IEEE 1547 Compliant Bookmark not Control Electronically controlled connect and disconnect with full anti islanding functionality UL1741 Other Features and Specifications Automatic Generator control Starting and stopping Parallel operation Future option GFDI Optionally integrated GFDI unit Peak DC to Grid efficiency 98 CEC PV to Grid efficiency 96 50 Night time Tare Losses lt 25W Signal Inputs and Outputs 3 digital outputs 5 digital inputs Communication Ports Ethernet USB MODBUS via either RS485 or RS232 Temperature Operating Range 10 C to 40 C Temperature Storage Range 20 C to 60 C Humidity 5 95 Rated Maximum Elevation 5000 feet 64 4411 0005 Rev 1 4 Return Material Authorization Contact and Product Information DRI 10 Installation Manual B 1 Return Material Authorization Policy Before returning a product directly to PPS you must obtain a Return Material Authorization RMA number and the correct factory Ship To address Products must also be shipped prepaid Product shipments will be refused and returned at your expense if they are unauthorized returned without an RMA number clearly marked on the outside of the shipping box if they are shipped collect or if they are shipped to the wrong location When you contact PPS to obtain service please have your instruction manua
3. PV String Combiner Box PV Array DRI 10 Installation Manual UL Gnd Local Loads Figure 27 Example power wiring diagram for DRI 10 installation in on grid mode with integrated isolation transformer and grounded DC ports 4411 0005 Rev 1 4 DRI 10 Installation Manual UL 4 14 Signal wiring 4 14 1 Digital Inputs The DRI 10 has up to five dedicated digital inputs if the optional DRI 10 Client I O device is installed Provision can be made for additional inputs should this be 52 required Please contact PPS in this regard Of the five standard inputs on the DRI 10 Client I O device three are reserved as feedback signals for the digital outputs of the DRI 10 If feedback signals for the outputs are not required these can be used as additional independent digital inputs The digital inputs work on 24V logic and are optically isolated from the rest of the system A 24V power supply is available on the DRI 10 Client I O device should it be required available on J12 connector of DRI 10 Client I O device The polarity of the input is not important Maximum current drawn by each input at 24V is 60mA while the expected current consumption is below 20mA The digital input parameters of the optional DRI 10 Client I O device are summarized in Table 1 Table 11 Digital Input parameters of DRI 10 Client I
4. Close integrated battery disconnect Measure and verify PV voltage on PV array side of external PV disconnect Must be lt 600V Visually check PV polarity if possible Close external PV disconnect 4411 0005 Rev 1 4 DRI 10 Installation Manual UL 60 Item Info Check polarity of PV voltage on terminal blocks inside DRI 10 Close integrated PV disconnect Measure and verify grid voltage in range and frequency on grid side of external grid disconnect Only performed when grid is available Close external grid disconnect Only performed when grid is available Measure grid voltage and frequency in range and correct sequence inside DRI 10 on terminal blocks Only performed when grid is available Open integrated Battery Disconnect Open integrated PV Disconnect Open integrated Grid Disconnect Open external battery disconnect 24V power supply inside DRI 10 will power down again if on previously Open external PV disconnect Open external Grid disconnect Wait 5 minutes for internal DC Bus to discharge Re install safety panels inside DRI 10 enclosure Refer to section 4 4 3 Close external battery disconnect Ensure integrated battery disconnect is open 24V PSU inside DRI 10 will power up if battery is sufficiently charged Close external PV disconnect Close external Grid disconnect Only performed if grid is
5. 4 7 4 Grounding in on grid configuration If a grid is available on the premises a protective earth connection must also already be available on the premises The grounding arrangements of the premises must be checked for NEC compliance by qualified personnel before continuing with the installation Note that it is generally not permissible to have separate earth connections on the same premises that are not electrically connected Therefore generally if a utility grid is available on the premises the earth connection of that connection must be used 4 7 5 Connecting to the Grounding terminal Connect the DRI 10 to the protective earth connection by feeding a green and yellow 46 4411 0005 Rev 1 4 Earth Ground Terminal Blocks DRI 10 Installation Manual UL earth wire specified in section 4 5 1 and 4 7 1 with the AC wires Connect it to the earth terminal as shown in Figure 22 Figure 22 Main earth terminals 4 inside enclosure with earth wire connected 4 8 Torque Specifications of Power Terminal Blocks All power wiring is done using the terminal blocks shown in Figure 20 The terminal blocks can accommodate 18 6 AWG wire The Earth Ground terminal blocks can accommodate 14 4 AWG During the wiring all of the terminal block clamps should be tightened to 1 2 1 4 Nm 10 6 12 4 Ib in 4 9 Utility Grid Port Wiring A 47 If the DRI 10 is to be used in an on grid configuration the utility grid must be connected to the unit
6. Bat A HAT a i Bee zee 11 Hi PV S25 LN P L NT PV PVgnd GFDI Current Sensor Figure 3 Functional power diagram of the DRI 10 2 1 4 Main System Components Some of the main system components are introduced in this section Only system components that are relevant for the installation are mentioned Please refer to other DRI 10 documentation for information regarding other system components 2 1 41 Enclosure The DRI 10 is housed inside a NEMA 3 rated metal enclosure as shown in Figure 4 Instructions on how to open and close the enclosure dimensions placement and further enclosure related information are provided in sections 3 2 and 3 3 Figure 4 Closed DRI 10 metal enclosure 4411 0005 Rev 1 4 21 DRI 10 Installation Manual 22 214 2 Human Machine Interface HMI The DRI 10 is controlled via a state of the art touch screen HMI which is installed on the front door of the DRI 10 metal enclosure The HMI is covered by a separate hinged cover to protect it from water and other environmental factors Instructions on how to open and close the hinged HMI cover are provided in section 4 4 2 Figure 5 Touch Screen HMI mounted in front door of DRI 10 enclosure 2 1 4 3 Safety Panels Once the enclosure front door is opened the user has access to several switches and breakers on a control panel The rest of the internal system components are co
7. Wire requirements for this wiring are provided in section 4 5 1 Ensure that the utility is disconnected when connecting utility wires Never attempt to connect live wires Use standard lockout procedures to ensure the utility supply cannot be reconnected during installation The three utility wires must be fed into the enclosure Once inside the enclosure the utility wires must be connected to the top three terminal blocks marked as U1 U2 and N as shown below Figure 23 Grid port wiring connections 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Wires should be stripped a minimum of 55 14mm before inserting into terminal blocks It is important to ensure that the neutral wire is connected to N and not U1 or U2 A multi meter and Table 1 or Table 2 can be used to determine which wire is the A neutral wire should this information not be available Ensure that supply is disconnected again after measurements are made before continuing with installation 4 10 Load Port Wiring Run three wires that are rated in accordance with section 4 5 1 from the load port disconnect switch see Figure 1 to the DRI 10 terminal blocks as shown Figure 24 Load port wiring connections During the wiring all of the terminal block clamps should be tightened to 1 2 1 4 Nm 10 6 12 4 Ib in Wires should be stripped a minimum of 55 14mm before inserting into terminal blocks A Ensure that wires are not live and remain disconne
8. 10 HMI Communications device with connection points of BMS marked 55 Figure 31 HMI Communication Device with location for USB connection eee 56 Figure 32 HMI Communications device showing position of the Ethernet RJ 45 receptacle 56 4411 0005 Rev 1 4 xiii Contents Tables Table 1 Summary of split phase power format iii 26 Table 2 Summary of two phase power format iii 26 Table 3 Electrical specifications of DRI 10 Load port i 29 Table 4 Electrical specifications of the Utility Grid port of the DRI 10 eee 30 Table 5 Electrical specifications of Battery Port i 30 Table 6 Electrical specifications of DRI 10 PV POLt i 30 Table 7 Digital output relay contact specifications of the optional DRI 10 Client I O 54 Table S DRI IO Key Specifications ssc ig Arene nenti 63 xiv 4411 0005 Rev 1 4 Introduction DRI 10 Installation Manual 1 1 Congratulations Congratulations on purchasing one of the most advanced inverters in the world from one of the leading power electronics companies in the world The DRI 10 Inverter meets Underwriter s Labs standard 1741 to allow power export to the North American electric grid It can also power loads directly and can automatically transfer to off grid mode when the electric grid goes down It is compatible with multiple i
9. Eee eee aaa 30 Pre Installation 31 3 3 1 Unpacking Inspection and Storage irni eane ear ian ener 32 DIMENSIONS 32 3 2 1 Outer Dimensions i tuere p dip eto edu eee 32 3 2 2 Pad Mountmg s n eR ERU P pO aaa 32 Contents 3 3 Inverter Placement Considerations i 33 Wiring Instructions 37 4 4 1 Preparing for the Installation eee ceceeeecseceeceseesecsecsecesecaecsessesssecsesseeseeeseeaseeeseeeaee 38 4 1 1 Installation Tools and Materials Tools Required 38 42 Safety alia iaia 38 4 3 External disconnect and overcurrent protection requirements i 39 4 3 1 AC Disconnect switch requirements e 39 4 3 2 DC disconnect switch requirements eese eene nennen ennt 39 44 Opening the enclosure metet ree P RUP PD eene 40 44 T Opening Enclosure door tee De e ott ie tede Ue USERS 40 442 Opening hinged HMI Cove tis ail 4l 44 3 REMOVING safety panels iaia otn aene Shoe tama i 42 4 5 Wire Sizing and Ratmps i ee eee eet e P dee e ie e alari 43 4 5 1 Power Wire Sizing and Ratings i 43 4 5 2 Control Wire Sizing and Ratings ii 43 4 6 Wiring Terminals iine eret iere iie re REO aan 44 4 7 Barth Waring uie ne eren NER rara ear 45 47 1 AC Circuit and Battery Port earth wire requirements sese 45 4 72 PV DC Inputs ined pe ai
10. O device Input High 24V Input Low OV Maximum current drawn at 24V 60mA Expected current drawn at 24V lt 20mA Polarity Either The input signals must be wired into J8 J10 and the top two pins of J1 J4 and J6 connectors on the optional DRI 10 Client I O device which are listed in Table 11 The position of all connectors is highlighted in Figure 28 Table 12 Digital input connectors on optional DRI 10 Client I O device Description Connector Dedicated digital input 4 J8 Dedicated digital input 5 J10 Digital input assigned to digital output 1 J1 Digital input assigned to digital output 2 J4 Digital input assigned to digital output 3 J6 Please contact PPS for assistance in configuring specific functions for these digital inputs 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Eri e cal Digital Inputs PRINCETON Pi Client FAB ASY P7 Figure 28 DRI 10 Client I O device with connection points of digital inputs highlighted 4 14 2 Digital outputs The DRI 10 has up three dedicated digital outputs if the optional DRI 10 Client I O device is installed Provision can be made for additional digital outputs should this be required Please contact PPS in this regard The three digital outputs are realized via three SPDT relays on the optional DRI 10 Client I O device A functional schematic of the SPDT relay is shown in Figure 29
11. The switch position is controlled by the DRI 10 via the coil The user has access to the normally open NO normally closed NC and the common C connection of the relays 53 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Figure 29 Functional diagram of SPDT relay on optional DRI 10 client input output PCB used for digital outputs The specifications of the relay contacts are provided in Table 7 Exceeding these specifications will permanently damage the device and its components Should higher current rating be required the built in relay can be configured to switch larger external power relays Table 7 Digital output relay contact specifications of the optional DRI 10 Client I O device Rated Contact Current 12A Rated Voltage 250VAC Breaking Capacity Max 4000VA 4 14 3 Battery Management System BMS Connection 54 When the optional DRI 10 HMI Communication device is installed it is possible to connect a battery bank with an integrated BMS system to the DRI 10 The integrated BMS system of the DRI 10 is then not used battery charging requirements battery state of charge and other battery parameters are communicated to the DRI 10 by the external BMS system Communication between the BMS and the DRI 10 must occur via standard Modbus protocol using either RS485 or RS232 Certain parameters will need to be set on the DRI 10 to enable correct communication with different BMS systems Contact PPS to
12. confidential and or proprietary business or technical data Unauthorized copying distribution or use of this manual in whole or in part without receiving prior written consent from Princeton Power Systems Inc is strictly prohibited About This Manual Purpose Scope Audience The purpose of this Installation Manual is to provide explanations and procedures for installing and troubleshooting the DRI 10 This manual provides safety guidelines detailed planning and setup information procedures for installing the inverter as well as information about troubleshooting the unit It does not provide details about particular brands of batteries This manual is intended as guidance for installing the DRI 10 Installers are required to be certified technicians or electricians About this Manual Organization This manual is organized into five chapters and two appendices Chapters Chapter 1 welcomes the user and provides background information about the DRI 10 Inverter and Princeton Power Systems Chapter 2 provides general information about the DRI 10 and introduces several of the important system components This section can also be found in the user manual of the DRI 10 Chapter 3 provides important information regarding enclosure transport placement and dimensions Chapter 4 contains instructions on how to wire up the DRI 10 Chapter 5 provides a non exhaustive wiring checklist and commissioning sequence for the DRI 10 inve
13. ensure compatibility with your battery bank BMS system The BMS needs to be connected to J11 of the DRI 10 HMI Communication device for RS485 operation for RS232 operation either J8 or J7 can be used These connections are shown in Figure 30 Note also that to use RS232 instead of RS485 4411 0005 Rev 1 4 DRI 10 Installation Manual UL the 4 conductor ribbon connector needs to be moved from J12 to J8 alee PRY _ C a RS485 Connection E RS232 Connections gt Figure 30 Optional DRI 10 HMI Communications device with connection points of BMS marked 4 14 4 Other Communication ports 4 14 4 1 USB devices The optional DRI 10 HMI Communication device allows the connection of a single USB device equipped with a standard Type A plug to the HMI USB devices that can be connected to the HMI include but are not limited to e USB Keyboard e USB Mouse e USB Flash drive e USB Hub If required plug one of the above devices into the USB Type A receptacle located on the DRI 10 HMI Communication device at the location marked by the red square in Figure 31 55 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Figure 31 HMI Communication Device with location for USB connection 4 14 4 2 Ethernet Connection The optional DRI 10 HMI Communication device allows an Ethernet connection to be established with the HMI If required plug a standard 8P8C Ethernet connector into the RJ45 re
14. the DRI 10 inverter is designed to be as efficient as possible some heat is inevitably generated by the unit The DRI 10 needs to be installed in such a manner that hot air generated by the unit can escape 4411 0005 Rev 1 4 33 DRI 10 Installation Manual 34 The entire enclosure is used to dissipate waste heat At high power the temperature of the entire enclosure will therefore increase significantly Hot spots on the enclosure may reach up to 140 degrees Fahrenheit 60 C Ensure that no temperature sensitive objects are close to or touching any part of the inverter enclosure at any time Also ensure that small children are unable to access the area where the inverter is stored Hot air is designed to escape from the inverter through the ventilation louvers on the left side of the inverter which is shown in Figure 16 Figure 16 DRI 10 Side view showing ventilation louvers For optimal performance please ensure that these ventilation louvers are not blocked by surrounding objects or walls Under no circumstances should the left side of the inverter be moved directly up against a wall or other object This will prevent air flow through the ventilation louvers and will also prevent the enclosure door from opening For optimal performance it is recommended to leave as much open space around the inverter as possible for optimal natural cooling The minimum space requirement around the DRI 10 inverter for full power capabilit
15. ue hope teret eet e edebat ois eek 46 4 7 3 Grounding in off grid configuration sess 46 4 7 4 Grounding in on grid configuration rene enne 46 4 7 5 Connecting to the Grounding terminal e 46 4 8 Torque Specifications of Power Terminal Blocks eene 47 4 9 Utility Grid Port Wirng eani er reete nte ete epe a GA era 47 4 10 Load Port Wiring rr ch eorr enit rt emt ptem tpe rerit 48 ALL PV Port Wire rete e et eet ettet eds 49 A AVA PV Port grounding eor erhielt re Pete bab eden aan 49 4 12 Battery Port Wiring ione ettet tee reste dates Pies be aaa 50 4 13 Example Power Wiring DiagramS ii 50 Signal winno alia ale iaia rio 52 414 1 Digital Inputs cala iaia eee ed eee Ro en HE OM ete 52 4 14 2 Digital outputs rere ute EMERGERE Ree ERE 53 4 14 3 Battery Management System BMS Connection e 54 4 14 4 Other Communication ports e 55 Commissioning Sequences 57 5 5A Wiring Checkliste iret Fere eto Fee ete Fee Heyn Pr e ente eee be Hie d CR 58 25 2 Commissioning Checklist rere eR aaa lena 59 DRI 10 kW Specifications 62 A 1 5 T 63 4411 0005 Rev 1 4 ui Contents xii Return Material Authorization Contact and Product Information 65 B 1 Return Material Authorization Policy
16. 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Pre Installation 4411 0005 Rev 1 4 31 DRI 10 Installation Manual 3 1 Unpacking Inspection and Storage Upon receiving the unit inspect for signs of damage that may have been caused during shipping If damage is found immediately contact Princeton Power Systems and the Shipping Company The inverter weighs approximately 800 lbs 350 kg Use a forklift or pallet jack to move the unit Do not attempt to lift and or move the inverter by hand Attempting to move the unit by hand may lead to serious injury 3 2 Dimensions 3 2 1 Outer Dimensions The outer dimensions of the DRI 10 unit are shown in Figure 13 19 7 ENCLOSURE WIDTH Figure 13 Outer dimensions of DRI 10 inverter 3 2 2 Pad Mounting The DRI 10 must be anchored to the floor Mounting holes are located in the mounting feet of the DRI 10 The exact positioning of the mounting holes is shown in Figure 14 32 4411 0005 Rev 1 4 DRI 10 Installation Manual UL e le 2 15 2 1 0 m T 12 2 14 2 cb 2 0 6 _ 4X THRU BOTTOM VIEW OF CABINET Figure 14 Bottom view of DRI 10 Enclosure showing position and dimensions of mounting holes INSTALL 1 13 HOOKS IN PAD WIH 112 FULL THRE AD E gt OSED 26 REF Figure 15 Mounting Pad Layout for DRI 10 Installation 3 3 Inverter Placement Considerations Although
17. CT PRINCETON _ POWER SYSTEMS Clean power made simple DRI 10 Installation Manual www princetonpower com 4411 0005 Rev 1 4 February 27 2013 Copyright The statements and information in this document must not be changed without special notification from Princeton Power Systems Inc Furthermore Princeton Power Systems Inc does not commit to any further obligations with this document Use and reproduction is only permitted in accordance with the contractual agreements with Princeton Power Systems Under no circumstances may parts of this publication be copied reproduced stored in a retrieval system or translated into another language except with written permission from Princeton Power Systems Inc Copyright 2013 Princeton Power Systems Inc 3175 Princeton Pike Lawrenceville NJ 08648 Tel 609 955 5390 Fax 609 751 9225 Email info princetonpower com Princeton Power Systems and Clean Power made simple are registered trademarks of Princeton Power Systems Inc Specifications and descriptions in this document were in effect at the time of publication Princeton Power Systems Inc reserves the right to change specifications product appearance or to discontinue products at any time No patent infringement liability is assumed by Princeton Power Systems Inc with regards to the use of information circuits equipment or software described in this manual The information contained in this manual is
18. NING Shock Hazard Ensure that all four ports are disconnected from the unit via external disconnect switches before performing any maintenance or installation Ensure that no port can be reconnected during installation or maintenance by employing standard lock out procedures Please note that the load port must also be disconnected since other power sources might connected to the load port Wait at least 15 minutes after disconnection before commencing with work on the unit Failure to comply with the above requirements could cause serious injury or death A warning label is provided to inform all personnel that multiple sources of power are available inside This label is installed on the outside of the door and should remain clearly visible Ensure all sources are disconnected before servicing 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Before connecting the solar panels check that the voltage specified by the manufacturer corresponds to the actual measured voltage At an outside temperature of 10 C the open circuit voltage for the solar panels should never rise above 600 V When the temperature is lower the open circuit voltage generated will be higher than normal The temperature coefficients for calculating the open circuit voltage at 10 C can be found in the data sheet for the solar panels If the open circuit voltage for the solar panels rises above 600 V this may result in damage to the inverter and all warranty rights sh
19. PC Volts Per Cell SAVE THESE INSTRUCTIONS This manual contains important instructions for the DRI 10 that shall be followed during installation and maintenance of the inverter The following is a list of symbols used in this manual and on labels in the DRI 10 KW DC circuit AC circuit Phase indicator Protective earth ground Other grounding conductor 4411 0005 Rev 1 4 About this Manual Warning Symbols used in this manual gt Attention This symbol identifies information about circumstances or practices that could lead to personal injury death internal component damage reduced product life equipment damage economic loss or other adverse effects Shock Hazard This symbol identifies information about a condition or procedure that could be potentially lethal or harmful to personnel or damaging to components due to live voltages within the system components holding stored energy or electrostatic discharge ESD General Precautions A 4411 0005 Rev 1 4 Maintenance by Qualified Personnel Only personnel familiar with the Princeton Power DRI 10 Inverter and associated machinery should attempt installation commissioning or maintenance of the system Untrained or unauthorized personnel run the risk of grave personal injury death or equipment damage These servicing instructions are for use by qualified personnel only To reduce the risk of electric shock do not perform a
20. all be declared null and void Damage to the inverter may cause a hazardous condition that puts personnel at risk of grave injury or death WARNING The battery charge control function has adjustable battery charging settings The user must confirm that the charge control profile used in this inverter is appropriate and safe for the type of battery used and that all battery charging settings are set correctly for the battery voltage current and temperature ratings Setting A these settings incorrectly may damage the battery and the inverter and may cause a hazardous condition that puts personnel at risk of grave injury or death Grounding All input and output circuits are isolated from the enclosure System grounding when required by Sections 690 41 690 42 and 690 43 of the National Electric Code NEC ANSI NFPA 70 is the responsibility of the installer 4 3 External disconnect and overcurrent protection requirements For safe installation operation and maintenance it is recommended that external disconnect switches are installed on all four ports of the DRI 10 It is highly recommended that all disconnect switches are installed in a single neat enclosure or bypass box in close proximity to the DRI 10 inverter All switches inside the bypass box should be appropriately labeled and the necessary warning labels must be included Circuit breakers can be used as disconnect switches These then provide both over current protection and also func
21. available Close integrated battery disconnect Close integrated PV disconnect Close integrated grid disconnect Only necessary when grid connection available 24V PSU in DRI 10 will power up if battery was insufficiently charged and grid is available Close integrated control power disconnect HMI and other control systems should power up 4411 0005 Rev 1 4 61 DRI 10 Installation Manual UL Item Info Close and lock enclosure front door Verify correct grid voltage and frequency measurements on HMI Refer to DRI 10 user manual for HMI operation Proceed with system configuration via HMI as explained in user manual System parameter configuration must be performed before unit is turned on 4411 0005 Rev 1 4 DRI 10 kW Specifications A 1 System Specificatio DRI 10 Specifications ns Table 8 DRI 10 Key Specifications General Specifications Real Power Rating 10kW Inverter Technology 4 port PWM with central DC bus Size and Weight w d h 19 69 500mm 15 75 400mm 74 73 1900mm 800lbs Enclosure Rating NEMA 3R Power Ports 4 Grid AC Load AC Battery DC PV DC Battery Port Specifications Voltage Range 254 600 VDC Power 10kW bi directional with 150 overload capability for 10 seconds width 10 minute duty cycle Charging Modes Bulk Float Equalize Co
22. ceptacle on the HMI communications device marked by the red square in Figure 32 Figure 32 HMI Communications device showing position of the Ethernet RJ 45 receptacle 56 4411 0005 Rev 1 4 57 DRI 10 Installation Manual UL Commissioning Sequences 4411 0005 Rev 1 4 DRI 10 Installation Manual UL 10 These checklists cover only the most common and critical aspects for all types of A This section provides checklists to be used during and after installation of the DRI installations They are intended to be used as a guide only and are not intended to be an exhaustive instruction set Always refer to the relevant sections in this manual for additional critical information and safety warnings 5 1 Wiring Checklist 58 I Item Info System ground connected to Ground Stud Grid port ground Required terminal or earth spike External AC Grid disconnect circuit breaker Required AC Grid Port wiring 3 wires correct phase sequence Required required External Battery Port circuit disconnect Required Battery port wiring 2 wires Required Battery enclosure grounding Required PV Port circuit disconnect Required PV Port wiring 2 wires Required PV Panel frame grounding via special PV Ground terminal Required Must use external GFDI if internal GFDI is not installed Panels can be grounded to any ground terminal if external GFDI is used PV conductor grounding Only al
23. clockwise by 90 degrees to enable the front enclosure door to be opened Figure 17 Enclosure with lockable handle 40 4411 0005 Rev 1 4 DRI 10 Installation Manual UL 4 4 2 Opening hinged HMI cover 41 Figure 18 Water proof HMI Cover The HMI is protected by a waterproof cover as shown in Figure 18 To open this cover to access the HMI insert a screwdriver in the two black screw heads shown in the upper right and lower right of the cover door and turn counterclockwise to release Swing door out after unlocking 4411 0005 Rev 1 4 DRI 10 Installation Manual UL 4 4 3 Removing safety panels Figure 19 DRI 10 Safety Panels The DRI 10 has two Plexiglas safety panels shown in Figure 19 that cover the High Voltage and Low voltage sections of the DRI 10 These panels should only be removed by a certified technician or electrician only after the DRI 10 has been in the de energized state for at least 15 minutes They can be removed by removing the screws along both sides of the panels 42 4411 0005 Rev 1 4 DRI 10 Installation Manual UL 4 5 Wire Sizing and Ratings A A All wiring installed in the system must be rated for 600V AC including control and signal wiring Installation to Code The following instructions are merely a guide for proper installation The National Electric Codes NEC local codes and similar standards outline detailed requirements for safe installation of electrical equipment Instal
24. cted during installation Never assume that there are no other sources connected to the load port 48 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Ensure that neutral wire is correctly connected to N phase 1 wire is connected to L1 and phase 2 wire is connected to L2 This is particularly important if the installation forms part of a larger installation where other energy sources might be connected to the load port 4 11 PV Port Wiring N Run two wires that are rated in accordance with section 4 5 1 from the PV port disconnect switch or PV array combiner box to the PV and PV terminal blocks inside the DRI 10 as shown Figure 25 PV port wiring connections During the wiring all of the terminal block clamps should be tightened to 1 2 1 4 Nm 10 6 12 4 Ib in Wires should be stripped a minimum of 55 14mm before inserting into terminal blocks It is essential that the polarity of the PV array is correct Use a multi meter to check polarity of PV array if unsure Ensure that PV array is disconnected again after measurements before proceeding with installation 4 11 1PV Port grounding 49 N AII PV array frames should be grounded appropriately The grounding wire of the PV frames should be done via the Earth Ground terminal shown in Figure 22 Connecting the PV array to a different ground point will bypass the GFDI unit in the DRI 10 and is not recommended The DRI 10 has an integrated isolation transformer
25. cy 60Hz 57Hz 63Hz Total Power Rating 6 25kVA per phase 12 5 kVA total with 150 overload for 10 seconds with 10 minute duty cycle Real Power Rating SkW per phase 10kW with 150 overload for 10 seconds with 10 minute duty cycle 4411 0005 Rev 1 4 29 DRI 10 Installation Manual 2 4 2 Grid Port Specifications Electrical specifications of the DRI 10 utility grid port are shown in Table 4 Table 4 Electrical specifications of the Utility Grid port of the DRI 10 Voltage 240V Line Line see section 2 2 10 12 Frequency 60Hz 57Hz 63Hz Real Power Rating 10kW with 150 overload for 10 seconds with 10 minute duty cycle for energy flow to Load or Battery Port 10kW for power export Reactive Power Rating per phase 2 5 5kW 3 9kVAR 4kW 4 75kVAR 3kW 5 2 5kW 2 4 3 Battery Port Specifications Electrical specifications of the DRI 10 battery port are shown in Table 5 Table 5 Electrical specifications of Battery Port Power Rating 10kW with 150 overload for 10 seconds with 10 minute duty cycle Input Voltage Range 150V 600V 2 4 4 PV Port Specifications Electrical specifications of the PV Port are summarized in Table 6 Table 6 Electrical specifications of DRI 10 PV Port Power Rating 10kW Input Voltage Range 150V 600V Maximum Power Voltage Range 300V 600V 30
26. ernal isolation transformer The isolation transformer provides electrical isolation between the DC and AC ports The isolation transformer does not provide electrical isolation between the two DC ports The isolation transformer also does not provide electrical isolation between the two AC 4411 0005 Rev 1 4 19 DRI 10 Installation Manual ports Isolated Figure 2 Symbolic representation of the DRI 10 with isolation transformer 2 1 3 Functional Power Block Diagram 20 A functional block diagram of the DRI 10 power circuit is shown in Figure 3 This diagram provides information to the interested reader but does not need to be understood for successful installation The DRI 10 consists of two DC DC converter stages and a single DC AC stage An internal manual utility disconnect switch is provided This internal circuit breaker switch is not the same as an external utility grid disconnect switch Internal disconnect switches are provided on both the battery and PV ports These are not the same as the external disconnect switch Figure 3 also provides an overview of the grounding arrangements of the DRI 10 A special PV ground terminal is provided which is tied to the utility and load port ground internally after passing through an internal GFDI device 4411 0005 Rev 1 4 DRI 10 Installation Manual UL DRI 10 Inverter E BE i i m i transformer 83 Lgnd
27. ety panels 2 1 4 9 User Power Terminal Blocks Once the top safety panel is removed the user can access the main power connection terminals of the DRI 10 These terminals are shown in Figure 9 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Aa C 4 Cy j Figure 9 Main User Power Terminal Blocks of DRI 10 in top part of enclosure Terminal blocks are only accessible when top safety panel is removed 2 2 Power Format The DRI 10 inverter AC ports work with a two phase power format Both AC ports have three wires two live wires and one neutral wire The DRI 10 is compatible with a conventional split phase 240V supply power format By measuring the voltages between any three power wires using a multi meter and comparing them to the values in Table 1 and Table 2 it is possible to verify if the power format being used is 240V split phase or 2 phase power format The DRI 10 does not support 2 phase power format at this time 4411 0005 Rev 1 4 25 DRI 10 Installation Manual 2 2 1 Split Phase Power Format In this power format the two phases are 180 degree phase shifted with a magnitude of 120Vrms each and a frequency of 60Hz This power format is summarized in Table 1 Table 1 Summary of split phase power format Frequency 60Hz Phasel to Neutral Voltage 120Vrms Phase2 to Neutral Voltage 120Vrms Phasel to Phase2 Voltage 240Vrms 2 2 2 2 phase power format In this p
28. generators and other AC sources and is able to intelligently control and manage these multiple energy sources 2 1 1 Power Ports The DRI 10 Inverter has two DC ports battery and PV and two AC power ports grid and load giving the DRI 10 a total of four power ports In this manual the DRI 10 is often symbolically represented by a square where each of these four ports is represented by one side of the square This symbolic representation of the DRI 10 is shown in the center of Figure 1 2 1 1 1 Battery Port The battery port is a two wire DC port used to connect a battery bank to the DRI 10 2112 PV Port The PV Port is a two wire DC port used to connect a PV array to the DRI 10 2 1 1 3 Load Port The load port is a three wire AC port with two phases and a neutral line This port is used to connect local loads to the DRI 10 Optionally suitable AC generators can also be attached to this port 4411 0005 Rev 1 4 DRI 10 Installation Manual UL 2 1 1 4 Grid Port The grid port is a three wire AC port with two phases and a neutral line This port can be connected to the utility grid If no utility grid is available suitable AC generators can also be connected to this port Utility Grid Battery Bank DRG Inverter Local Loads PV Array Figure 1 Symbolic single line diagram of DRI 10 2 1 2 Isolation Transformer The DRI 10 comes equipped with an int
29. ing Also refer to section 4 14 4 2 Table 9 Ethernet port wire requirements Voltage Rating 600 Volts Temperature Class 75 C or greater Cable type Standard 8 way Ethernet cable shielding recommended 4 6 Wiring Terminals All cables enter and exit the enclosure from underneath the plinth in the left front of the enclosure see Figure 21 There are power cables for AC power wiring DC power wiring and signal wiring respectively A view of the power terminals is shown in Figure 20 y ie E 4 O E E Earth Ground gt M r NZ o ma N Grid Phase 1 QN GRID f Ld Grid Phase 2 Grid and Load Neutral AC PORT Load Phase 1 Load Phase 2 Battery Connections PV Connections Figure 20 View of Terminal block for DC PV and Battery and AC power wiring 44 4411 0005 Rev 1 4 DRI 10 Installation Manual UL External Wiring Figure 21 External wire routing for DRI 10 power connections 4 7 Earth Wiring It is essential that the DRI 10 is connected to protective earth ground of the premises The DRI 10 provides a special terminal for this connection see Figure 22 Once this terminal is earthed the internal wiring of the DRI 10 will ensure that all parts of the enclosure and other touchable metal parts are properly shorted to the protective earth ground It is the responsibility of the installer to ensure
30. ing size and length rr ri 1 Alarm sounding ee Description of indicators on front panel N a Appliances operating when problem Lu occurred A Description of problem gt __r rm_ r ii 4411 0005 Rev 1 4 67
31. ings may form When installing the inverter care should be taken to ensure that the display unit remains at or below eye level Provisions should be made and or procedures should be in place to ensure that nothing is placed or stored to the left of the enclosure that could block the ventilation louvers or prevent the enclosure door from being opened The inverter weighs about 800 lbs Verify load capacity of mounting area Never mount the inverter any other way but upright 35 DRI 10 Installation Manual 36 This page intentionally left blank 4411 0005 Rev 1 4 Wiring Instructions DRI 10 Installation Manual UL 4 1 Preparing for the Installation 4 1 1 Installation Tools and Materials Tools Required 4 2 Safety 38 A A 1 00 m OOV Wb Wire strippers Assorted open end wrenches or socket wrench set and fittings Torque wrench Electrical tape Multi meter AC DC Voltage up to 600V Assorted Phillips screw drivers Allen Hex head driver set through 1 2 Slotted screw driver Level 10 Pencil 11 Utility knife The following materials may be required for completing this installation 1 Ve p m Conduits code compliant conduit is recommended bushings wire nuts appropriate fittings for wire run and seals as necessary Electrical wire of appropriate size and length Breaker panels if used Additional circuit breakers if required Ground busses bars and or rods WAR
32. installed allowing for external grounding of the PV negative When grounding the negative PV conductor the 4411 0005 Rev 1 4 DRI 10 Installation Manual UL battery negative conductor will also automatically be grounded since the PV negative and Battery negative are tied together inside the DRI 10 see Figure 3 4 12 Battery Port Wiring Run two wires that are rated in accordance with section 4 5 1 from the battery port disconnect switch to the BT and BT terminal blocks inside the DRI 10 shown in Figure 26 via the DC conduit DC wires and AC wires are not allowed to run in the same conduit Figure 26 Battery port wiring connections It is essential that the polarity of the battery is correct Use a multi meter to check polarity of battery if unsure Ensure that battery is disconnected again after measurements before proceeding with installation 4 13 Example Power Wiring Diagrams 50 Figure 27 shows an example wiring diagram of a DRI 10 installation in on grid mode Since the DRI 10 includes an isolation transformer the negative PV port can be grounded The PV and battery negative terminals are tied together inside the inverter see Figure 3 and grounding the negative PV port automatically grounds the negative battery port 4411 0005 Rev 1 4 51 Utility Grid External Battery Bank battery disconnect la lo Bypass Box
33. l ready for reference and be prepared to supply serial number of your product Information about the installation and use of the unit Information about the failure and or reason for the return of your dated proof of purchase Record these details on page 76 B 2 Out of Warranty Service For information regarding out of warranty service contact a PPS Customer Service Representative B 3 Contact Information Corporate Headquarters Technical Support Princeton Power Systems Email support princetonpower com 3175 Princeton Pike Tel 1 609 955 5390 Lawrenceville NJ 08648 USA Sales Email sales princetonpower com Tel 1 609 955 5390 Tel 1 609 955 5390 Fax 1 609 751 9225 Email info princetonpower com www princetonpower com 66 4411 0005 Rev 1 4 DRI 10 Installation Manual B 4 Information About This System Record the following information and be sure to keep your proof of purchase O Serial Number a sii O Purchased From n a ee O Date of Purchase ea Ws tee If you need to contact Customer Service please record the following details before calling This information will help our representatives give you better service Type of installation e g PVwith storage EV ee ei Charging Micro grid Length of time inverter has been installed cca mtr Battery battery bank size e O Battery type e g LiPh other 52 o ci O DC wir
34. l inclusive Resolve all issues before operating the inverter Contact Princeton Power Systems if necessary Because of the wide variety of uses for power electronics equipment this manual does not describe every possible application or configuration All technicians responsible for installing commissioning and operating this equipment must satisfy themselves of the suitability and proper implementation of the intended application of this power conversion product In no event will Princeton Power Systems Inc its subsidiaries partners employees or affiliates be responsible or liable for any damages indirect or direct resulting from the misuse or incorrect application of this equipment The examples and diagrams in this manual are for illustrative purposes only Because of the wide variety of uses applications peripheral equipment and facility configurations particular to each installation Princeton Power Systems Inc cannot assume responsibility or liability for actual use based on the information provided herein vii About this Manual Battery Information viii A A This system is designed to be operated with a variety of battery types and voltage Installer must determine if the charging methods outlined in the User Manual Chapter 6 are compatible with the type of battery used Battery voltage and current ratings must comply with the DC port ratings outlined in section 2 4 2 WARNING The battery charge control func
35. lation must comply with specifications for wire types conductor sizes electrical and thermal insulation branch circuit protection grounding and disconnect devices Princeton Power Systems cannot assume responsibility for compliance or noncompliance to any national or local code Princeton Power Systems cannot assume responsibility for personal injury and or equipment damage exists if codes are ignored or misapplied during installation 4 5 1 Power Wire Sizing and Ratings All AC and DC power and earth wiring including grid port load port PV port and battery port should meet the following specifications Table 7 Power port wire requirements Voltage Rating 600 Volts or greater per NEC Temperature Class 75 C or greater per NEC Gauge Copper 6 AWG or greater per NEC Also refer to section 4 7 for ground wire requirements 4 5 2 Control Wire Sizing and Ratings 43 The tables in this section provide a guideline for wire types that should be used for the different types of signal and control wiring 4 5 2 1 Analog Digital I O and temperature sensor wiring Refer to section 4 14 1 and 4 14 2 for more information Table 8 User I O wire requirements Voltage Rating 600 Volts Temperature Class 75 C or greater Gauge Copper Stranded 22 18AWG Cable type Shielded twisted pair recommended 4411 0005 Rev 1 4 DRI 10 Installation Manual UL 4 5 2 2 Synchronization and Ethernet Wir
36. losure should remain locked at all times during normal operation and should only be unlocked for maintenance by qualified personnel Enclosure keys should be stored in a safe place and should be accessible to appropriate personnel only 4411 0005 Rev 1 4 About this Manual Safety Check Terms of Use 4411 0005 Rev 1 4 Electrical Connections Be sure that all electrical connections and connectors are properly installed and connected with proper torque Fuses For continued protection against risk of fire only use replacement fuses of the same type and rating as the original fuse Replacing of fuses should be done by knowledgeable and trained personnel only Performing a routine safety check before energizing the Inverter will minimize the risk of injury to the operator and minimize the potential for damaging the unit Before operating the unit check for obvious signs of damage or concern The following is a list of suggested items to be checked before operating the unit 1 Check the enclosure for obvious signs of damage 2 Verify that all inlet and outlet vents are clear of debris 3 Check external wires and cables for signs of damage such as fraying or cracked insulation 4 Check room for potential hazards such as standing water on the floor or on the DRI 10 Inverter Note Additional safety checks may be necessary depending on the particular installation of the unit The safety checklist above is not intended to be al
37. lowed if isolation transformer installed standard External AC Load Port disconnect circuit breaker Required AC Load Port wiring 3 wires correct phase sequence Required required AC Load Port grounding Required Battery temperature sensor connection Recommended when optional DRI 10 Client I O device is installed PV temperature sensor connection Recommended when optional DRI 10 Client I O device is installed 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Generator communication signal wiring Required if automatic start and or stopping of generator is required DRI 10 Client I O device required 5 2 Commissioning Checklist 59 N Item Info All Systems Open External Load Port Disconnect Open External Grid Port Disconnect Open external PV disconnect Open external Bat disconnect Open integrated control power disconnect Open Integrated Grid disconnect Open Integrated PV disconnect Open integrated Bat disconnect Measure and verify battery voltage on battery side of external battery disconnect in range Must be lt 600V Visually check battery polarity if possible Close External Battery disconnect Ensure internal battery disconnect is open Check polarity of battery voltage on terminal blocks inside DRI 10 24V Power supply inside DRI 10 will power up if batteries sufficiently charged
38. ng as the external disconnect is closed External overcurrent is required on Battery Port 63 Amps Max 2 1 4 6 Integrated PV Disconnect The DRI 10 s integrated PV disconnect switch is shown in Figure 7 The electrical position of this breaker is shown in the functional power block diagram in Figure 3 in section 2 1 3 This breaker is open disconnected or off when in the down position as shown in Figure 7 and in the closed connected or on position when up External overcurrent is required on PV Port 63 Amps Max 2 1 4 7 Integrated Control Power Disconnect Fuses The DRI 10 s integrated Control Power Supply Disconnect fuses are shown in Figure 7 These fuses can be used to remove power to the HMI and other control systems The fuse location is shown in Figure 7 The fuse switch must be pushed in to close it 4411 0005 Rev 1 4 23 DRI 10 Installation Manual 24 to the position shown in Figure 8 Figure 8 DRI 10 integrated PSU fuses 2 1 4 8 Safety Panels To access the internals of the DRI 10 the two protective safety panels shown in Figure 6 must be removed Instructions for removing these panels are provided in section 4 4 3 Never attempt to remove the safety panels while the DRI 10 is running or any external disconnect switches are still closed Wait at least five minutes after opening the last of the four external disconnect switch grid port load port battery port and PV port before proceeding to remove the saf
39. nput sources including solar arrays with advanced maximum power point tracking MPPT battery banks and generators The DRI 10 is highly reliable efficient and flexible It is backed by a world class team of engineers at Princeton Power Systems that can ensure the technical and financial success of your application 1 2 PPS Company information Princeton Power Systems designs and manufactures advanced power conversion products and systems to provide customers with cost effective reliable smart distributed generation Our patented technologies including AC link produce clean electric power simply and efficiently and our capable and flexible engineering team works closely with our customers to solve their problems Customer solutions include grid integrated distributed generation renewable energy energy storage and military power supplies for Navy and Army applications 4411 0005 Rev 1 4 DRI 10 Installation Manual UL System Overview and Configurations 4411 0005 Rev 1 4 17 DRI 10 Installation Manual 2 1 System Overview The DRI 10 is an extremely versatile state of the art multi port energy management converter system The DRI 10 can be connected to batteries solar PV arrays generators utility grids and can supply local loads Unlike most conventional inverters and renewable energy systems the DRI 10 is designed to support and strengthen the utility grid instead of being a burden on it It is therefore compatible wi
40. nstant current and Constant Voltage with fully adjustable parameters Max Battery Short Circuit Current 5000A PV Port Specifications Voltage Range 254 600 VDC Full Power Voltage Range 300 600 VDC MPPT Range 260 590 VDC Grounding negative Load Port Specifications Power Format 3 wire 2 phases L N 120Vrms L L 240Vrms Output Frequency 60Hz 57 Hz 63Hz Voltage Range 10 12 of nominal Power Rating 12 5 kVA 6 25 per phase with 15096 overload capability for 10 seconds with 10 minute duty cycle Real Power Rating 10 kW 5kW per phase with 15096 overload capability for 10 seconds with 10 minute duty cycle Load Deactivation up to 4 load priority levels Grid Port Specifications 2 The power terminals on the DRI can be configured and programmed please contact PPS to discuss your application 4411 0005 Rev 1 4 63 DRI 10kW Specifications Power Format 3 wire 2 phases L N 120Vrms L L 240Vrms Output Frequency 60Hz 57 Hz 63Hz Voltage Range 10 12 of nominal Power Rating 12 5 kVA 6 25 per phase with 150 overload capability for 10 seconds with 10 minute duty cycle Real Power Rating 10 kW 5kW per phase with 150 overload capability for 10 seconds with 10 minute duty cycle Reactive Power Rating Total 5KVA 10kW 7 8kVA 8kW 9 5kVA and 6kW 10kVA 5kW
41. ny servicing other than that specified in the operating instructions unless you are qualified to do so Use appropriate tools only and wear appropriate protective gear Remove all conductive jewelry when working on the inverter e g rings watches and other metal objects Ensure that all tools paperwork and other foreign objects not designed for use in the Inverter are removed from the enclosure prior to closing the door and re energizing the equipment High Voltage Electric Shock Hazard The Princeton Power DRI 10 Inverter and equipment connected to it contains electrical components carrying potentially lethal voltages and currents Extreme caution should be exercised around the system especially when the cabinet door is open Before opening the cabinet all supply power and loads including all DC sources batteries and PV arrays should be disconnected externally using a standard physical lock out procedure and the service personnel should wait 5 minutes prior to opening the enclosure door to allow internal components to discharge Note that a PV array must always be disconnected when performing maintenance even in no light conditions Avoid hazardous voltage situations that could result from unsafe conditions such as but not limited to the following e Back feed from the utility e Improper grounding e Handling electrical leads or devices with wet hands or on wet ground e Frayed electrical leads Working with or on an electrically hot
42. o the grid port if an additional Automatic Transfer Switch ATS is installed to switch between generator and grid It is highly recommended that an external bypass switch is installed which is interlocked with the external grid and load disconnect 27 DRI 10 Installation Manual p Utility Grid and or AC Generator DRI 10 Inverter Local Loads Battery Bank External PV disconnect PV Array Figure 11 Single line diagram of DRI 10 in on grid configuration 2 3 3 Isolation Transformer The DRI 10 includes an isolation transformer The transformer provides electrical isolation between the AC and DC ports as explained in section 2 1 2 and allows grounding of the DC ports The position of the transformer in the DRI 10 enclosure is shown in Figure 12 28 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Figure 12 Position of the internal isolation transformer in the DRI 10 enclosure 2 4 Important System Specifications This section highlights the most important specifications of the DRI 10 that must be taken into careful consideration for system sizing and might be useful during the installation process 2 4 1 Load Port Specifications Electrical parameters of the DRI 10 load port are shown in Table 3 Table 3 Electrical specifications of DRI 10 Load port Voltage 240V Line Line see section 2 2 10 12 Frequen
43. om view of DRI 10 Enclosure showing position and dimensions of mounting holes 33 Figure 15 Mounting Pad Layout for DRI 10 Installation esee 33 Figure 16 DRI 10 Side view showing ventilation IOUVErsS i 34 Figure 17 Enclosure with lockable handle eee rennen nen 40 Figure 18 Waterproof HMI COVEI sriain t re t era hess 41 Figure 19 DRI 10 Safety Patiels 5 2 etri eee thee bett nia 42 Figure 20 View of Terminal block for DC PV and Battery and AC power 1 44 Figure 21 External wire routing for DRI 10 power connections esee 45 Figure 22 Main earth terminals 4 inside enclosure with earth wire connected 85 47 Figure 23 Grid port wiring connections eere eere nennen nennen tnnt eene enini 47 Figure 24 Load port wiring CONNECtIONS nennen nennen tenente tenet netten trennen enne 48 Eigure 25 PV port wiring COnDDeCLODS eerte 49 Figure 26 Battery port wiring connections i 50 Figure 27 Example power wiring diagram for DRI 10 installation in on grid mode 51 Figure 28 DRI 10 Client I O device with connection points of digital inputs highlighted 53 Figure 29 Functional diagram of SPDT relay on optional DRI 10 client input output PCB 54 Figure 30 Optional DRI
44. ower format the two phases are 120 degrees phase shifted with a magnitude of 120Vrms each and a frequency of 60Hz This power format is summarized in Table 2 Table 2 Summary of two phase power format Frequency 60Hz Phasel to Neutral Voltage 120Vrms Phase2 to Neutral Voltage 120Vrms Phasel to Phase2 Voltage 207 8Vrms 2 3 DRI 10 Configuration options This section provides a brief overview of how the DRI 10 can be connected to other system components For more detailed information please refer to Chapter 4 2 3 1 Offgrid Configuration In the simplest configuration the DRI 10 can be run in pure off grid mode In this mode the Grid port is not utilized The off grid configuration is shown schematically in Figure 10 The internal wiring of the load port L1 L2 LN is shown in Figure 3 26 4411 0005 Rev 1 4 2 3 2 On grid A 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Inverter Local Loads Battery Bank PV Array Figure 10 Single line diagram of DRI 10 inverter in off grid configuration Configuration The on grid configuration is similar to the pure off grid configuration except for the additional connection of the utility grid to the grid port If grid is available less than 100 of the time a suitable AC generator can also be connected to the grid port Alternatively both a utility and an AC generator can be connected t
45. rter Appendix A provides the technical specifications of the DRI 10 Appendix B Return Material Authorization Product and Contact Information This chapter provides instructions for obtaining a Return Material Authorization if the product needs to be returned to Princeton Power Systems or one of its authorized service centers Abbreviations and Definitions The following table provides a glossary of technical terms used in this manual The glossary also defines some common electrical terms and acronyms that may be used in this manual Abbreviations Definition AC Alternating Current ATS Automatic Transfer Switch CEC California Energy Commission DC Direct Current DPDT Double Pole Double Throw DRI Demand Response Inverter ESD Electro Static Discharge GFDI Ground Fault Detector and Interrupter HMI Human Machine Interface I O Input Output IEEE Institute for Electrical and Electronics Engineers 4411 0005 Rev 1 4 iii About this Manual Important Safety Instructions Symbols Abbreviations Definition MPPT Maximum Power Point Tracking NEC National Electric Code NEMA National Electrical Manufacturers Association PCB Printed Circuit Board PPS Princeton Power Systems PSU Power Supply Unit PV Photovoltaic SPDT Single Pole Double Throw SPST Single Pole Single Throw THD Total Harmonic Distortion UL Underwriters Laboratories V
46. system or component or when connected to an energized load An ungrounded battery pack Improper connection or re connection of the terminal leads Short circuits Energized normal and emergency power sources About this Manual vi Installation to Code The following instructions are merely a guide for proper installation The National Electric Codes NEC local codes and similar standards outline detailed requirements for safe installation of electrical equipment Installation must comply with specifications for wire types conductor sizes electrical and thermal insulation branch circuit protection grounding and disconnect devices Princeton Power Systems cannot assume responsibility for compliance or noncompliance to any national or local code Princeton Power Systems cannot assume responsibility for personal injury and or equipment damage exists if codes are ignored or misapplied during installation CAUTION To reduce the risk of fire connect each AC circuit of the inverter only to a circuit provided with 50 amperes maximum branch circuit over current protection in accordance with the National Electrical Code ANSI NFPA 70 Improper Use Princeton Power Systems cannot assume responsibility for personal injury and or equipment damage as a result of improper installation use maintenance reconfiguration reprogramming or other improper actions An incorrectly serviced or operated Inverter system can cause personal injury componen
47. t damage or reduced product life Malfunction may result from wiring errors an incorrect or inadequate DC supply or AC grid connection excessive ambient temperatures or obstructed ventilation or incorrect software configuration Keep the door closed at all times when operating the system Additionally keep all guards screens and electrical enclosures in place when the system is operating Close the inverter enclosure and put all guards and screens in place before energizing the unit Heat Hazard The cabinet should not be mounted on a combustible surface nor should combustible materials be placed on or against the cabinet The system should not be installed in a confined space that prevents proper ventilation or allows the build up of excessive heat A minimum of 12 inches of spacing clearance must exist for proper cooling airflow into and out of ventilation openings Keep vents and air outlets clear of debris and provide proper airflow Do not place or store any objects on the enclosure roof ESD Sensitive Components The inverter contains Electrostatic Discharge ESD sensitive components Standard ESD control precautions must be followed when installing commissioning testing servicing or repairing the system Component damage component degradation or an interruption in control system operation may occur upon an electrostatic discharge event Use anti static wristbands when servicing electronic components Locked Doors The inverter enc
48. th next generation smart and micro grids These new power systems enable a much higher penetration of renewable energy than conventional inverter systems would allow and therefore the DRI 10 helps to facilitate technical solutions to some of the world s most urgent environmental problems In an on grid application the loads connected to the DRI 10 Load Port are supplied directly from the utility as long as the grid is available The DRI 10 charges its batteries from the utility grid if not enough solar PV energy is available to do so When the batteries are full the DRI 10 supplies all available solar PV energy to the loads If there is more solar PV energy available than required by the Load Port this energy flows into the utility grid if power export is enabled At any stage the utility grid can request the DRI 10 to provide additional energy and supplement the utility grid by feeding additional energy from the batteries into the grid The DRI 10 can also be used in off grid applications The goal in such applications is to supply reliable clean and cost effective power to loads that cannot be supplied directly from the utility grid In such applications the DRI 10 uses solar PV energy to supply local loads By using the energy storage capacity of batteries the DRI 10 is able to provide a reliable and constant power source from inherent intermittent solar PV energy The DRI 10 also allows solar PV energy to be supplemented with combustion
49. that all grounding arrangements are A NEC compliant before proceeding with the installation PPS takes no responsibility for damage or injuries resulting from non NEC compliant grounding arrangements 4 7 1 AC Circuit and Battery Port earth wire requirements For the AC circuits and the battery port a ground wire will be sized at least according to Table 1 based on the size of the over current device protecting that circuit Voltage and temperature requirements of section 4 5 1 must also be considered 45 4411 0005 Rev 1 4 DRI 10 Installation Manual UL Table 10 Ground Wire Size Chart Column 1 Minimum size of equipment grounding or bonding conductor AWG or kcmil mm Maximum Copper Aluminum or copper current rating clad aluminum amperes Por Nf ok 4 7 2 PV DC Input The ground wire for the PV port will be rated for at least 1 25 times the rated short circuit current of the installed PV array 4 7 3 Grounding in off grid configuration If the DRI 10 is to be installed in an off grid configuration no protective earth connection might be available on the premises In such an instance an earth spike must be installed by qualified personnel This earth connection must be fully compliant with all NEC requirements If a protective earth is already available on the premises NEC compliance of the existing grounding arrangement should be verified by qualified personnel
50. tion as disconnect switches Note that DC disconnect switches must be used on the DC ports External overcurrent is required on both Battery and PV Ports 63 Amps Max 4 3 1 AC Disconnect switch requirements The disconnect switches on the utility grid and load port as well as any bypass switches need to break both phases and leave the neutral unbroken to be fully compliant with NEC requirements 4 3 2 DC disconnect switch requirements Both the battery port and the PV port must be equipped with two pole devices that enable disconnection of both the positive and negative conductor In most cases the combiner box of the PV array will provide this capability for the PV port Many In extreme locations it might be necessary to use even lower temperature value Contact Princeton Power System if you are using a PV system in extremely cold but sunny conditions 39 4411 0005 Rev 1 4 DRI 10 Installation Manual UL battery banks will also provide a disconnect device in which case another external disconnect device on the battery port is not needed 4 4 Opening the enclosure 4 4 1 Opening enclosure door The DRI 10 enclosure front door is locked by a single lockable handle shown in Figure 17 The handle has provision for a pad lock and is only to be unlocked by a qualified electrician or technician who is performing the installation or period maintenance Once the pad lock is unlocked and removed the handle needs to be rotated counter
51. tion has adjustable battery charging settings The user must confirm that the charge control profile used in this inverter is appropriate and safe for the type of battery used and that all battery charging settings are set correctly for the battery voltage current and temperature ratings Setting these settings incorrectly may damage the battery and the inverter and may cause a hazardous condition that puts personnel at risk of grave injury or death WARNING Consult the battery manufacturer for information regarding safe transport storage operation and maintenance of batteries Although this manual contains some information regarding battery safety but it is by no means exhaustive 4411 0005 Rev 1 4 About this Manual 4411 0005 Rev 1 4 This page intentionally left blank Contents About This ea lana eo ana Era Ea Eee i riti PEE ii Scope ii AUdlence oe ela ica ii alc e olo ii Organization ne ede nate in Al iii Abbreviations and Definitions eiee an nE unsrer Ereet nenne tene iii Important Safety Instr ctions 5 5 ern tU et e PR Rt EE E A AEE iv SYmbols ie E t E E nre te b ET RU RR iv Warning Symbols used in this manual eee sessi nennen nennen trennen General Precautions alcalina ee neon M Safety ueni alia ERU URBI UD RU RD e eU intei vii Terms ob etm tee toot vt s mien Dicto tution ipea
52. vered by two safety panels Y Integrated disconnects and breakers Figure 6 View of DRI 10 enclosure when front door is opened 4411 0005 Rev 1 4 DRI 10 Installation Manual UL 2 1 4 4 Integrated Grid Disconnect The DRI 10 contains an integrated circuit breaker that can be used to connect and disconnect the Grid Port from parts of the DRI 10 system The electrical position of this three phase circuit breaker is shown in the functional power block diagram in Figure 3 in section 2 1 3 This breaker is open when the switch is in down position as shown in Figure 7 and closed when the breaker is in the up position rasato Control Grid Battery PV GFDI Power Disconnect Disconnect Disconnect Fuse Fuses Figure 7 Picture of DRI 10 control Panel showing disconnects in the open position 2 1 4 5 Integrated Battery Disconnect The DRI 10 s integrated battery disconnect switch is shown in Figure 7 The electrical position of this breaker is shown in the functional power block diagram in Figure 3 in section 2 1 3 This breaker is open disconnected when in the down position as shown in Figure 7 The integrated battery disconnect switch must always be in the off disconnected or down position before the external battery disconnect switch is closed Failure to do so will cause severe damage to the DRI 10 The DRI 10 is equipped with a pre A charge circuit that is always on This means that the DC bus is always charged as lo
53. vii Battery Information i criari eee ilari viii Introduction 15 1 ll Consratulations i riale Ri He GT Rue 16 1 2 PPS Company information iaia ia aa 16 System Overview and Configurations 17 2 Zil SYSteM OVErVvieWw s tia te e D Let rere REED UR Oe 18 Dal SRO Wert POLS i eto extento e m Utm eec RD ierit ie 18 2 12 Isolation Transformet ecu eaten detention t eren pedes 19 2 1 3 Functional Power Block Diagram eese nennen eene eene enne 20 2 1 4 Main System Components oit sese i in sut Divertiti eui enn STD 21 2 2 Power Format oreet I Ue eer ee derer ert e a e et POE he 25 2 2 1 Split Phase Power Format enne trennen nen nest enne ener 26 2 2 2 2 phase power format nia ele i aule iie 26 2 3 DRI10 Configuration options iui 26 23 Offgnid Configuration alano i nen ere e entes dei ee ts 26 2 322 Confip ration e ee e e o een e ei enden 27 2 3 3 Isolation Transformer 2 e ire d eo eed 28 ZA TIimportant System SpecifICatioDS zoe eset et RESTE 29 2 4 1 Load Port Specifications enne nennen nest nr E rennen enne 29 2 4 2 Grid Port Specifications eeceesceeecesecesecssecaecseecseseseseeeeeeeeseesecesecsaecsaecsaecsaecaeeeaes 30 2 4 3 Battery Port Specifications sessi trennen teen nein rennen enne 30 24 4 Port Specifications oco
54. y is 12 inches The following is a list of the above requirements and other considerations that should be taken into account in order to get the most out of the DRI 10 inverter 1 Mount the enclosure away from heat sensitive equipment and or objects since the enclosure heats up considerably during operation 2 Ensure that the ventilation louvers on the left of the enclosure are not obstructed 3 Ensure that the enclosure is free standing and the space requirements are complied with 4 The enclosure is NEMA 3 rated and can be installed INDOORS or OUTDOORS 4411 0005 Rev 1 4 4411 0005 Rev 1 4 10 11 12 13 14 DRI 10 Installation Manual UL The maximum life of the inverter can be achieved by mounting the unit in a clean dry and cool location For optimal inverter life and performance do not mount the inverter in direct sunlight especially in hot climates The installation location should be sufficiently ventilated to prevent the inverter heat output from increasing the ambient temperature beyond the inverter s rating Under certain operating conditions the inverter will emit audible noise it is not advisable to install in the immediate vicinity of living quarters The inverter should not be installed in an area that is excessively dusty as this may decrease the performance of the air cooling system The inverter must not be installed in areas in which dust containing conductive particles e g iron fil

DRI-10 Installation Manual

Contents

Download Pdf Manuals

Related Search

Related Contents