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GTIB-30 Installation Manual

1. 17 1 2 PPS Company information 17 2 System Overview and Configurations 18 2 1 System Overview 19 2 1 1 Power Ports 19 2 1 2 Isolation Transformer 20 2 1 3 Functional Power Block Diagram 21 2 1 4 Main System Components 22 2 2 Power Format 28 2 2 1 Three phase Power Format 28 2 3 GTIB 30 Configuration Options 29 2 4 Important System Specifications
2. iv Organization v Abbreviations and Definitions v Important Safety Instructions vi Symbols vi Warning Symbols used in this manual vii General Precautions vii Safety Check ix Terms of Use ix Battery Information x 1 Introduction 16 1 1 Congratulations
3. 46 4 7 3 Connecting to the Grounding terminal 46 4 8 Torque Specifications of Power Terminal Blocks 46 4 9 Utility Grid Source Port Wiring 47 4 10 Load Port Wiring if option is installed 48 4 11 DC Port Wiring 49 4 11 1 DC Port grounding 49 4 12 PV Ground Wiring 50 4 13 Signal wiring 51 4 13 1 Digital Inputs 51 4 13 2 Digital Outputs 53 4 13 3 External C
4. 44 Figure 24 Main earth terminals inside enclosure with earth wire connected 46 Figure 25 Grid port wiring connections 47 Figure 26 Load port wiring connections 48 Figure 27 DC port wiring connections 49 Figure 28 PV ground wiring connections 50 Figure 29 Signal connectors 51 Figure 30 Location of digital inputs 51 Figure 31 Digital input connector pin outs 52 Figure 32 Functional diagram of SPDT relay on optional GTIB 30 client input output PCB 53 Figure 33 Connection points for BMS 54 Figure 34 RS 48
5. 43 Table 7 Ground Wire Size Chart 45 Table 8 Digital Input parameters of GTIB 30 Client I O device 52 Table 9 Digital input connectors on optional GTIB 30 Client I O device 52 Table 10 Digital output relay contact specifications of the optional GTIB 30 Client I O device 53 Table 11 GTIB 30 Key Specifications 63 Contents 4411 0011 Rev 2 0 15 This page intentionally left blank 1 Introduction GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 17 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 GTIB 30 Inverter meets Underwriter s Labs standard 1741 to allow power export to the North American electric grid It is compatible with multiple input sources including solar arrays with advanced maximum power point tracking MPPT battery banks and generators The GTIB 30 is highly reliable efficient and flexible It is backed by a world class team of engineers at Princeton Power Systems that can ensure the t
6. 30 2 4 1 Isolation Transformer 30 3 Pre Installation 31 3 1 Unpacking Inspection and Storage 32 3 2 Dimensions 32 3 2 1 Outer Dimensions 32 3 2 2 Pad Mounting 33 3 3 Inverter Placement Considerations 34 4 Wiring Instructions 37 4 1 Preparing for the Installation 38 4 1 1 Installation Tools and Materials Tools Required 38 4 2 Safety 39 4 3 External disconnect and overcurrent protection requirements
7. 20 Figure 2 Symbolic representation of the GTIB 30 with isolation transformer 20 Figure 3 Functional power diagram of the GTIB 30 21 Figure 4 Closed GTIB 30 metal enclosure 22 Figure 5 Touch Screen HMI mounted in front door of GTIB 30 enclosure 22 Figure 6 View of GTIB 30 enclosure when front door is opened 23 Figure 7 Picture of GTIB 30 Control Panel showing optional Grid Overcurrent Switch 23 Figure 8 Integrated 15kW AC Breaker 24 Figure 9 Picture of GTIB 30 control Panel showing DC switch in the tripped position 25 Figure 10 GTIB 30 Wiring tray 26 Figure 11 DC Bus fuse 26 Figure 12 GTIB 30 Wiring Tray fuses
8. 40 4 3 1 AC Disconnect switch requirements 40 4 3 2 DC Disconnect switch requirements 40 4 4 Opening the enclosure 41 4 4 1 Opening enclosure door 41 4 5 Wire Sizing and Ratings 42 4 5 1 Power Conductor Sizing and Ratings 42 4 5 2 Control Wire Sizing and Ratings 42 Contents 4411 0011 Rev 2 0 13 4 6 Wiring Terminals 43 4 7 Earth Wiring 45 4 7 1 AC Circuit and DC Port earth wire requirements 45 4 7 2 Grounding in Grid Tied configuration
9. 26 Figure 13 Main Power Connection terminal blocks 27 Figure 14 Picture of GTIB 30 showing air flow bottom front panel removed to show filter 28 Contents 14 4411 0011 Rev 2 0 Figure 15 Single line diagram of GTIB 30 in Grid Tied configuration 29 Figure 16 Position of the internal isolation transformer in the GTIB 30 enclosure 30 Figure 17 Outer dimensions of GTIB 30 inverter 32 Figure 18 Front view of GTIB 30 Mounting plate and Bottom view of Enclosure showing position and dimensions of mounting holes 33 Figure 19 Suggested Mounting Pad Layout for GTIB 30 Installation 33 Figure 20 GTIB 30 View showing ventilation louvers 34 Figure 21 Enclosure with lockable handle 41 Figure 22 View of Terminal blocks for DC PV Battery and AC power wiring 43 Figure 23 External wire routing into the GTIB 30
10. Clean power made simple GTIB 30 Installation Manual www princetonpower com 4411 0011 Rev 2 0 April 1st 2014 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 2014 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 confidential and or proprietary
11. 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 right side of the inverter which is shown in Figure 20 Figure 20 GTIB 30 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 right 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 on the right and the front of the GTIB 30 inverter for full power capability 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 GTIB 30 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 right and the front of the enclosure are not obstructed Louvers GTIB 30 Installation Manual UL 441
12. Load Port if installed 100A 50A DC Port 150A 150A GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 41 4 4 Opening the enclosure 4 4 1 Opening enclosure door The GTIB 30 enclosure front door is locked by a key lock and a top and bottom twist lock shown in Figure 21 The locks are only to be unlocked by a qualified electrician or technician who is performing the installation or periodic maintenance Once the locks are unlocked and the front enclosure door can be opened Figure 21 Enclosure with lockable handle Key Lock Center Twist Lock Top and Bottom GTIB 30 Installation Manual UL 42 4411 0011 Rev 2 0 4 5 Wire Sizing and Ratings All wiring installed in the system must be rated for 600VAC 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 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 installat
13. Port is a two wire DC port used to connect a PV array to the GTIB 30 1 GTIB 30 Installation Manual UL 20 4411 0011 Rev 2 0 2 1 1 2 Load Port Optional The load port is a four wire AC port with three phases and a neutral line This port is used to connect local loads to the GTIB 30 For example by connecting to this port the system may limit the loading on the utility supply peak load shaving by supplementing power from energy stored in batteries connected to the DC Port 2 1 1 3 Grid Source Port The grid port is a four wire AC port with three 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 Figure 1 Symbolic single line diagram of GTIB 30 2 1 2 Isolation Transformer The GTIB 30 comes equipped with an internal 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 AC ports if the load port option is installed Figure 2 Symbolic representation of the GTIB 30 with isolation transformer GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 21 2 1 3 Functional Power Block Diagram A functional block diagram of the GTIB 30 power circuit is shown in Figure 3 This diagram provides information to the interested reader but does not need to be understood for successful instal
14. b Visually check PV polarity if possible c Close External DC disconnect d Check polarity of PV voltage on terminal blocks inside GTIB 30 e Close integrated DC disconnect GTIB 30 Installation Manual UL 60 4411 0011 Rev 2 0 Item Info 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 GTIB 30 on terminal blocks Only performed when grid is available Open integrated DC disconnect Open external DC disconnect 24V power supply inside GTIB 30 will power down again if on previously Open external Grid disconnect Wait 5 minutes for internal DC Bus to discharge Close external DC disconnect Ensure integrated battery disconnect is open 24 V PSU inside GTIB 30 will power up if battery is sufficiently charged Close external Grid disconnect Only performed if grid is available Close integrated DC disconnect Close integrated grid disconnect Only necessary when grid connection available 24 V PSU in GTIB 30 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 Close and lock enclosure front door Verify correct grid voltage and frequency measurements o
15. battery types and voltage Battery voltage and current ratings must comply with the DC port ratings outlined in Appendix A 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 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 About this Manual 4411 0011 Rev 2 0 xi This page intentionally left blank Contents About This Manual iv Purpose iv Scope iv Audience
16. from underneath the plinth in the left front of the enclosure see Figure 23 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 22 Figure 22 View of Terminal blocks for DC PV Battery and AC power wiring Grid Port Load Port DC Port Battery PV Earth Ground Accessible through Bottom Panel Earth GND GTIB 30 Installation Manual UL 44 4411 0011 Rev 2 0 Figure 23 External wire routing into the GTIB 30 The gland plate must be properly installed to prevent the ingress of dust small animals and insects that may damage the system GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 45 4 7 Earth Wiring It is essential that the GTIB 30 is connected to protective earth ground of the premises The GTIB 30 provides a special terminal for this connection see Figure 20 Once this terminal is earthed the internal wiring of the GTIB 30 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 that all grounding arrangements are 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 DC Port earth wire requirements For the AC circuits and the Battery configuration a ground w
17. 1 0011 Rev 2 0 35 3 Ensure that the enclosure is free standing and the space requirements are complied with 4 The enclosure is NEMA 3R rated and can be installed INDOORS or OUTDOORS 5 The maximum life of the inverter can be achieved by mounting the unit in a clean dry and cool location 6 For optimal inverter life and performance do not mount the inverter in direct sunlight especially in hot climates 7 The installation location should be sufficiently ventilated to prevent the inverter heat output from increasing the ambient temperature beyond the inverter s rating 8 Under certain operating conditions the inverter will emit audible noise it is not advisable to install in the immediate vicinity of living quarters 9 The inverter should not be installed in an area that is excessively dusty as this may decrease the performance of the air cooling system 10 The inverter must not be installed in areas in which dust containing conductive particles e g iron filings may form 11 When installing the inverter care should be taken to ensure that the display unit remains at or below eye level 12 Provisions should be made and or procedures should be in place to ensure that nothing is placed or stored to the right of the enclosure that could block the ventilation louvers or prevent the enclosure door from being opened 13 The inverter weighs about 560 lbs 254kg Verify load capacity of mounting area 14 Never mount the inverter an
18. 5 Pin outs 54 Figure 35 RS 232 3 pin Pin outs 55 Figure 36 RS 232 Male DB 9 Pin outs 55 Figure 37 Location of the USB connection 55 Figure 38 Location of the Ethernet RJ 45 receptacle 55 Tables Table 1 GTIB 30 Fuse List 26 Table 2 Summary of three phase power format 28 Table 3 AC and DC Overcurrent Protection Rating Requirements 40 Table 4 Minimum power port wire requirements 42 Table 5 User I O wire requirements 42 Table 6 Ethernet port wire requirements
19. Never attempt to unlock and open the enclosure door while the GTIB 30 is running or any external disconnect switches are still closed Wait at least five minutes after opening the last of the three external disconnect switch grid port load port DC port before proceeding opening the door 2 1 4 9 Main User Power Terminal Blocks Once the enclosure door is opened the user can access the main power connection terminals of the GTIB 30 These terminals are shown in Figure 13 Figure 13 Main Power Connection terminal blocks 2 1 4 10 Enclosure Air Filter The bottom compartment of the GTIB 30 is covered by a vented panel secured by screws This bottom compartment contains the air filter and the transformer for the enclosure Air is drawn into the GTIB 30 via the vented cover through the filter to remove particles and then flows up into the main electrical compartment where it circulates as shown in Figure 14 The air then exhausts out through the vents in the right side of the upper compartment The two sections in the lower part of that compartment are separated by a clear panel to direct the air flow The filter should be changed periodically See Appendix C of the GTIB 30 User Manual for instructions DC Port AC Grid Port AC Load Port GTIB 30 Installation Manual UL 28 4411 0011 Rev 2 0 Figure 14 Picture of GTIB 30 showing air flow bottom front panel removed to show filter 2 2 Power Format The GTIB 30 inverter AC por
20. ated Control Power Supply fuses are shown in Figure 10 Figure 11 and Figure 12 Many of the fuses are located in the wiring tray behind the main power connection terminals Never access these fuses while power is applied to the inverter The DC bus fuse must be pushed in to close it to the position shown in Figure 11 DC Switch GFDI Fuse GTIB 30 Installation Manual UL 26 4411 0011 Rev 2 0 Figure 12 GTIB 30 Wiring Tray fuses Table 1 GTIB 30 Fuse List Fuse Description Rating Location F1 DC STK 1A 600V Wire Tray F2 DC In 6A 600V Wire Tray F3 DC Bus 44 100A 1000V Wire Tray F4 GFDI 2A 600V Left of DC Breaker F5 DC Bus 44 100A 1000V Wire Tray F6 DC In 6A 600V Wire Tray F7 Neutral 4A 600V Wire Tray F8 Not Used F9 Source L1 4A 600V Wire Tray F10 Source L2 4A 600V Wire Tray Figure 10 GTIB 30 Wiring tray Figure 11 DC Bus fuse DC AC GRID AC LOAD DC Bus Fuse GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 27 Fuse Description Rating Location F11 Source L3 4A 600V Wire Tray F12 Inverter L1 4A 600V Wire Tray F13 Inverter L2 4A 600V Wire Tray F14 Inverter L3 4A 600V Wire Tray F15 AC Pre Charge 1A 600V Wire Tray F16 AC Pre Charge 1A 600V Wire Tray F17 AC Pre Charge 1A 600V Wire Tray F18 GFDI PCB 3 10A 600V Top wire tray GFDI Bd 2 1 4 8 Enclosure Door
21. 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 The purpose of this Installation Manual is to provide explanations and procedures for installing and troubleshooting the GTIB 30 Scope 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 Audience This manual is intended as guidance for installing the GTIB 30 Installers are required to be certified technicians or electricians About this Manual 4411 0011 Rev 2 0 v Organization This manual is organized into five chapters and two appendices Chapters Chapter 1 Introduction welcomes the user and provides background information about the GTIB 30 Inverter and Princeton Power Systems Chapter 2 System Overview and Configurations provides general information about the GTIB 30 and introduces several of the important system components This section can also be found in the user manual of the GTIB 30 Chapter 3 Pre Installation provides important information regarding enclosure transport placement and dimensions Chapter 4 Wiring Instructions contains instructions on how to wire up the GTIB 30 Chapt
22. 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 function as disconnect switches DC disconnect switches must be used on the DC ports External overcurrent protection is required for Battery or PV operation See Table 3 for ratings 4 3 1 AC Disconnect switch requirements The external disconnect switches on the utility grid and load port as well as any bypass switches need to break all phases and leave the neutral unbroken to be fully compliant with NEC requirements 4 3 2 DC Disconnect switch requirements The DC port battery or PV must be equipped with external two pole devices that enable disconnection of the DC source or load In most cases the combiner box of the PV array will provide this capability for the PV port Many battery banks will also provide a disconnect device in which case another external disconnect device on the battery port is not needed If the GTIB 30 is equipped with the optional GFDI the external disconnect must only break the ungrounded conductor If the GTIB 30 does not have the optional GFDI or there is an external GFDI installed it is up to the contractor installer to decide how to wire the disconnect as to not defeat the GFDI circuit Table 3 AC and DC Overcurrent Protection Rating Requirements Connection GTIB 208 30 GTIB 480 30 Grid Port 100A 50A
23. echnical 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 linkTM 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 2 System Overview and Configurations GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 19 2 1 System Overview The GTIB 30 is an extremely versatile state of the art multi port energy management converter system The GTIB 30 can be connected to batteries solar PV arrays and utility grids Unlike most conventional inverters and renewable energy systems the GTIB 30 is designed to support and strengthen the utility grid instead of being a burden on it It is therefore compatible with 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 GTIB 30 helps to facilitate technical solutions to some of the world s most urgent environmental problems In an on grid application the loads connected
24. ected to the unit 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 utility wires must be fed into the enclosure Once inside the enclosure the utility wires must be connected to the four terminal blocks marked as U V W and N if used as shown below U V and W are live and N is Neutral Figure 25 Grid port wiring connections Wires should be stripped a minimum of 55 14mm before inserting into terminal blocks It is important to ensure that the neutral wire if used is connected to N and not U V or W A multi meter and Table 2 can be used to determine which wire is the neutral wire should this information not be available Ensure that supply is disconnected again after measurements are made before continuing with installation U V W N W N GTIB 30 Installation Manual UL 48 4411 0011 Rev 2 0 4 10 Load Port Wiring if option is installed Load port cannot be active unless the Grid Port is connected to the Grid Run three or four wires that are rated in accordance with Section 4 5 1 from the load port disconnect switch see Figure 1 to the GTIB 30 terminal blocks as shown Figure 26 Load port wiring connections During the wiring all of the terminal block clamps should be tighte
25. er 5 Commissioning Sequences provides a non exhaustive wiring checklist and commissioning sequence for the GTIB 30 inverter Appendices Appendix A provides the technical specifications of the GTIB 30 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 BMS Battery Management System CEC California Energy Commission DC Direct Current DPDT Double Pole Double Throw ESD Electro Static Discharge GFDI Ground Fault Detector and Interrupter GTIB Grid Tied Inverter and Battery Controller HMI Human Machine Interface I O Input Output About this Manual vi 4411 0011 Rev 2 0 Abbreviations Definition IEEE Institute for Electrical and Electronics Engineers 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 Th
26. from the rest of the system A 24V power supply is available on the GTIB 30 Client I O device should it be required available on J12 connector of GTIB 30 Client I O device Digital Inputs IO1 IO2 IO3 Digital I O Connectors BMS Comm Connectors GTIB 30 Installation Manual UL 52 4411 0011 Rev 2 0 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 GTIB 30 Client I O device are summarized in Table 8 Table 8 Digital Input parameters of GTIB 30 Client I O device Input High 24V Input Low 0V Maximum current drawn at 24V 60mA Expected current drawn at 24V lt 20mA Polarity Either The input signals must be wired as indicated in the digital input connectors on the optional GTIB 30 Client I O device Refer to Figure 30 for connector locations Table 9 for connector descriptions and to Figure 31 for the connector pin out diagram Table 9 Digital input connectors on optional GTIB 30 Client I O device Description Connector Digital input assigned to digital output 1 IO1 Digital input assigned to digital output 2 IO2 Digital input assigned to digital output 3 IO3 The pinouts for these three connectors are identical and are shown in Figure 31 INPUT INPUT NC COMMON NO 1 2 3 4 5 Figure 31 Digital input connector pin outs Please contact PPS fo
27. g 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 Allowed External AC Load Port disconnect circuit breaker Required AC Load Port wiring 3 or 4 wires correct phase sequence required Required AC Load Port grounding Required Battery temperature sensor connection Recommended PV temperature sensor connection Recommended GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 59 5 2 Commissioning Checklist Item Info All Systems Open External Load Port Disconnect Open External Grid Port Disconnect Open External DC disconnect Open Integrated Grid switch if installed Open Integrated DC switch If the DC port is connected to Battery a Measure and verify battery voltage on battery side of External DC disconnect in range Must be lt 600V b Visually check battery polarity if possible c Close External DC disconnect Ensure internal DC disconnect is open d Check polarity of battery voltage on terminal blocks inside GTIB 30 24V Power supply inside GTIB 30 will power up if batteries sufficiently charged e Close integrated battery switch If DC port is connected to PV array a Measure and verify PV voltage on PV array side of External DC disconnect Must be lt 600V
28. he red square in Figure 37 Figure 37 Location of the USB connection 4 13 4 2 Ethernet Connection The GTIB 30 Communication interface allows an Ethernet connection to be established with the system If required plug a standard 8P8C Ethernet connector into the RJ45 receptacle on the system communications device marked by the red square in Figure 38 Figure 38 Location of the Ethernet RJ 45 receptacle Pin 1 Rx Pin 2 Tx Pin 3 GND Pin 2 Rx Pin 3 Tx Pin 5 GND GTIB 30 Installation Manual UL 56 4411 0011 Rev 2 0 This page intentionally left blank 5 Commissioning Sequences GTIB 30 Installation Manual UL 58 4411 0011 Rev 2 0 This section provides checklists to be used during and after installation of the GTIB 30 These checklists cover only the most common and critical aspects for all types of 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 Item Info System ground connected to Ground Stud Grid port ground terminal or earth spike Required External AC Grid disconnect circuit breaker Required AC Grid Port wiring 3 or 4 wires correct phase sequence required Required External Battery Port circuit disconnect Required DC port wiring 2 wires Required DC enclosure groundin
29. ighly recommended that an external bypass switch is installed which is interlocked with the external grid and load disconnect Figure 15 Single line diagram of GTIB 30 in Grid Tied configuration GTIB 30 Installation Manual UL 30 4411 0011 Rev 2 0 2 4 Important System Specifications Refer to Appendix A for specification information Of particular importance are the port specifications which must be taken into careful consideration for system sizing and useful during the installation process 2 4 1 Isolation Transformer The GTIB 30 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 GTIB 30 enclosure is shown in Figure 16 Note that the bottom front panel and the air filter have been removed Figure 16 Position of the internal isolation transformer in the GTIB 30 enclosure 3 Pre Installation GTIB 30 Installation Manual UL 32 4411 0011 Rev 2 0 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 560 lbs 254 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 b
30. 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 component 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 Co
31. ion 4 5 1 Power Conductor Sizing and Ratings All AC and DC power and earth wiring including grid port load port and DC port should meet the following specifications Table 4 Minimum power port wire requirements Voltage Rating 600 Volts or greater per NEC Temperature Class 90 C or greater per NEC Gauge DC copper 3 AWG 6 AWG Earth GND AC 208V copper 6 AWG 10AWG Earth GND AC 480V copper 8 AWG 10AWG Earth GND Also refer to Section 4 7 for ground wire requirements 4 5 2 Control Wire Sizing and Ratings The tables in this section provide a guideline for wire types that should be used for the different types of signal and control wiring Note Class 1 wiring methods are to be used for all field wiring connections to a class 2 circuit 4 5 2 1 Analog Digital I O and temperature sensor wiring Refer to Sections 4 13 1 and 4 13 2 for more information Table 5 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 GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 43 4 5 2 2 Synchronization and Ethernet Wiring Also refer to Section 4 13 4 2 Table 6 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
32. ire will be sized at least according to Table 7 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 The ground wire for the PV input will be rated for at least 1 25 times the rated short circuit current of the installed PV array Table 7 Ground Wire Size Chart Column 1 Column 2 Minimum size of equipment grounding or bonding conductor AWG or kcmil mm Maximum current rating in Amperes Copper Aluminum or copper clad aluminum 15 14 2 1 12 3 3 20 12 3 3 10 5 3 30 10 5 3 8 8 4 40 10 5 3 8 8 4 60 10 5 3 8 8 4 90 8 8 4 6 13 3 100 8 8 4 6 13 3 150 6 13 3 4 21 2 GTIB 30 Installation Manual UL 46 4411 0011 Rev 2 0 4 7 2 Grounding in Grid Tied 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 3 Connecting to the Grounding terminal Connect the GTIB 30 to the protecti
33. lation The GTIB 30 consists of a single bi directional DC AC stage An optional internal manual utility switch can be provided Figure 7 This internal switch is not the same as an external utility grid disconnect switch An internal switch is provided on the DC port Figure 8 This is not the same as the external disconnect switch External disconnects are required on the battery bank or PV array Figure 3 Functional power diagram of the GTIB 30 GTIB 30 Installation Manual UL 22 4411 0011 Rev 2 0 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 GTIB 30 documentation for information regarding other system components 2 1 4 1 Enclosure The GTIB 30 is housed inside a NEMA 3R rated metal enclosure as shown in Figure 4 Instructions on how to open and close the enclosure are provided in Section 4 4 dimensions placement and further enclosure related information are provided in Sections 3 2 and 3 3 Figure 4 Closed GTIB 30 metal enclosure 2 1 4 2 Human Machine Interface HMI The GTIB 30 is controlled via a state of the art touch screen HMI which is installed on the front door of the GTIB 30 metal enclosure The HMI is covered by a clear plastic cover which can be hinged open to operate the inverter Figure 5 Touch Screen HMI mounted in front door of GTIB 30 enclosure Main E
34. lectrical Compartment Filter and Transformer Compartment GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 23 2 1 4 3 Interior Once the enclosure front door is opened the user has access to several switches on a control panel and to the user control interface section at the top of the enclosure Figure 6 View of GTIB 30 enclosure when front door is opened 2 1 4 4 Integrated Grid Overcurrent Switch Optional The GTIB 30 may contain an optional integrated overcurrent switch that can be used to connect and disconnect the Grid Port from parts of the GTIB 30 system The electrical location of this three phase overcurrent switch is shown in the functional power block diagram in Figure 3 in Section 2 1 3 This switch is open when the switch is in down position as shown in Figure 7 tripped when in the center position and closed when in the up position External disconnects on the AC port s are still required on any installation Figure 7 Picture of GTIB 30 Control Panel showing optional Grid Overcurrent Switch GFDI Fuse and Integrated DC switch User control interface Grid Overcurrent Switch DC Port AC Grid Port AC Load Port GTIB 30 Installation Manual UL 24 4411 0011 Rev 2 0 2 1 4 5 15Kw AC Breaker Optional The GTIB 30 may contain an optional integrated 15kW AC breaker that can be used to limit the power output of the GTIB 30 system to 15kW The electrical location of this AC breaker is sh
35. mponent 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 enclosure 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 Electrical Connections Be sure that all electrical connections and connectors are properly installed and connected with proper torque About this Manual 4411 0011 Rev 2 0 ix 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 Tipover Tip over hazard Do not move this equipment without mechanical assistance Safety Check 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 fra
36. n HMI Refer to GTIB 30 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 GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 61 This page intentionally left blank A GTIB 30 kW Specifications GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 63 A 1 System Specifications Table 11 GTIB 30 Key Specifications General Specifications Inverter Technology High frequency PWM Size w d h and Weight 19 7 500mm 15 8 400mm 75 1900mm 560lbs 254kg Input Specifications DC Voltage 280 600 VDC Full power DC Current 120 A Max Input Specifications Battery Max Input Power Discharge 32 kW Max Output Power Discharge 28 kW Battery Management System Configurable 3 stage profile for lead acid batteries 3rd party BMS interface RS485 with Modbus RTU host inquire with PPS for parameter mapping service Input Specifications PV PV MPPT Range 280 580 VDC PV Array Configuration Monopole negative grounded DC Voltage Ripple lt 1 Grid Connection Port Specifications GTIB 480 30 GTIB 208 30 AC Line Voltage 480 VAC 10 12 3 phase 208 VAC 10 12 3 phase AC Line Frequency 60 Hz nominal 59 3 60 5 Hz range field adjustable Continuous AC Current 40 A RMS 85A RMS Continuous AC Power 30 kVA Power Factor 0 1 00 leading o
37. n 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 AC 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 DC Grounding The DC negative is ground if the GFDI option is installed See Section 4 11 1 1 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 GTIB 30 Installation Manual UL 40 4411 0011 Rev 2 0 4 3 External disconnect and overcurrent protection requirements For safe installation operation and maintenance it is required that external disconnect switches and overcurrent devices be installed on all ports of the GTIB 30 See Table 3 for required ratings It is highly recommended that all disconnect switches are installed in a single neat enclosure or bypass box in close proximity to the GTIB 30 inverter All switches inside the
38. n wet ground Frayed electrical leads Working with or on an electrically hot 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 Installation to Code The following instructions are merely a guide for proper About this Manual viii 4411 0011 Rev 2 0 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 branch circuit over current protection in accordance with the National Electrical Code ANSI NFPA 70 and the instructions in this manual See Table 3 AC and DC Overcurrent Protection Rating Requirements in the Wiring Instructions section of this manual Improper Use Princeton Power Systems cannot assume responsibility for personal
39. nd Smart Relays GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 65 This page intentionally left blank B Return Material Authorization Contact and Product Information GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 67 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 manual ready for reference and be prepared to supply The serial number of your product Information about the installation and use of the unit Information about the failure and or reason for the return A copy 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 Princeton Power Systems 3175 Princeton Pike Lawrenceville NJ 08648 USA Contact Information Tel 1 609 955 5390 Fax 1 609 751 9225 Email info princetonpower com Technical Suppo
40. ned as per Section 4 8 Wires should be stripped a minimum of 55 14mm before inserting into terminal blocks Ensure that wires are not live and remain disconnected during installation Never assume that there are no other sources connected to the load port Ensure that neutral wire is correctly connected to N phase 1 wire is connected to U phase 2 wire is connected to V and phase 3 wire is connected to W This is particularly important if the installation forms part of a larger installation where other energy sources might be connected to the load port U V W N W N GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 49 4 11 DC Port Wiring Run two wires that are rated in accordance with Section 4 5 1 from the Battery disconnect or the PV combiner box to the DC and DC terminal blocks inside the GTIB 30 as shown Figure 27 DC 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 lb in Wires should be stripped a minimum of 55 14mm before inserting into terminal blocks It is essential that the polarity of the Battery or the PV array be correct Use a multi meter to check polarity if unsure Ensure that Battery or PV array is disconnected again after measurements before proceeding with installation 4 11 1 DC Port grounding WARNING For systems equipped with an optional integrated GFDI the AC DC circuit Ground Terminals must NOT be used
41. ntenance 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 5 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 energy sources are disconnected before servicing 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 C1 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 shall 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 functio
42. ntrol Interface Connection Communication between the external controller and the GTIB 30 must occur via standard Modbus protocol using either RS485 or RS232 Certain parameters will need to be set on the GTIB 30 to enable correct communication with different control systems Contact PPS to ensure compatibility with your external control system The external control needs to be connected to the RS485 connector for RS485 operation for RS232 operation either of the RS232 connections can be used These connections are shown in Figure 33 Figure 34 Figure 35 and Figure 36 Figure 33 Connection points for BMS RS485 Pinouts Apply jumper on the board if this is termination equipment Jumper on Board GND 1 2 3 Figure 34 RS 485 Pin outs RS485 Connec tion RS232 Connectors Pin 1 Pin 2 Pin 3 GND GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 55 RS232 Pin outs The communication interface has a 3 pin and a DB 9 connector for RS232 communication Either can be used Rx Tx GND 1 2 3 1 2 3 4 5 Rx Tx GND Figure 35 RS 232 3 pin Pin outs Figure 36 RS 232 Male DB 9 Pin outs 4 13 4 Other Communication Ports 4 13 4 1 USB devices The GTIB 30 Communication interface allows the connection of a single USB storage device equipped with a standard Type A plug to the system If required plug a USB storage device into the USB Type A receptacle at the location marked by t
43. ontrol Interface Connection 54 4 13 4 Other Communication Ports 55 5 Commissioning Sequences 57 5 1 Wiring Checklist 58 5 2 Commissioning Checklist 59 A GTIB 30 kW Specifications 62 A 1 System Specifications 63 B Return Material Authorization Contact and Product Information 66 B 1 Return Material Authorization Policy 67 B 2 Out of Warranty Service 67 B 3 Contact Information 67 B 4 Information About This System 68 Figures Figure 1 Symbolic single line diagram of GTIB 30
44. or use by qualified personnel only To reduce the risk of electric shock do not perform any 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 GTIB 30 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 Back feed from the utility Improper grounding Handling electrical leads or devices with wet hands or o
45. own in Figure 8 This switch is open when the switch is in down position as shown in Figure 7 tripped when in the center position and closed when in the up position as shown in Figure 8 This option cannot be installed with the Integrated Grid overcurrent switch described in section 2 1 4 4 Figure 8 Integrated 15kW AC Breaker GFDI Fuse and Integrated DC switch Integrated 15kW AC Breaker GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 25 2 1 4 6 Integrated DC Switch The GTIB 30 s integrated battery DC switch is shown in Figure 7 The electrical position of this switch is shown in the functional power block diagram in Figure 3 in Section 2 1 3 This switch is open when the switch is in down position tripped when in the center position as shown in Figure 9 and closed when the switch is in the up position The integrated DC switch must always be in the off disconnected or down position before the external battery disconnect is closed Failure to do so will cause damage to the GTIB 30 The GTIB 30 is equipped with a pre charge circuit that is always on This means that the DC bus is always charged as long as the external disconnect is closed External overcurrent protection is required on the Battery Port 150 Amps Max External DC disconnect is required Figure 9 Picture of GTIB 30 control Panel showing DC switch in the tripped position 2 1 4 7 Control Power and Sensing Fuse Locations The GTIB 30 s integr
46. ponsibility for damage or injuries resulting from non NEC compliant grounding arrangements 4 12 PV Ground Wiring The terminal blocks used to ground PV negative are inside the GTIB 30 inverter see below Removing this jumper will effectively disable the optional internal GFDI protection circuit If a floating PV array is installed an external GFDI needs to be installed and this jumper should not be in place Figure 28 PV ground wiring connections GND W N DC W N Jumper to ground negative array connection Ground Jumper for the PV array negative GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 51 4 13 Signal wiring Figure 29 Signal connectors This section provides information about the digital inputs digital outputs Battery Management Systems BMS connections and USB and Ethernet communication ports These connectors are located in the upper section of the enclosure 4 13 1 Digital Inputs Figure 30 Location of digital inputs The GTIB 30 has up to three dedicated digital inputs in the upper left of the enclosure if the optional GTIB 30 Client I O device is installed Of the three standard inputs on the GTIB 30 Client I O device three can be used as feedback signals for the digital outputs of the GTIB 30 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
47. r assistance in configuring specific functions for these digital inputs Pin 1 Input Pin 2 Input Pin 3 NC Pin 4 Common Pin 5 NC GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 53 4 13 2 Digital Outputs The GTIB 30 has up three dedicated digital outputs if the optional GTIB 30 Client I O device is installed The three digital outputs are realized via three SPDT relays on the optional GTIB 30 Client I O device A functional schematic of the SPDT relay is shown in Figure 32 The switch position is controlled by the GTIB 30 via the coil The user has access to the normally open NO normally closed NC and the common Common connection of the relays These relays are associated with the IO1 IO2 and IO3 connectors described in the previous section Common NC NO coil Figure 32 Functional diagram of SPDT relay on optional GTIB 30 client input output PCB used for digital outputs The specifications of the relay contacts are provided in Table 10 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 10 Digital output relay contact specifications of the optional GTIB 30 Client I O device Rated Contact Current 1A Rated Voltage 24VAC DC Breaking Capacity Max 24VA GTIB 30 Installation Manual UL 54 4411 0011 Rev 2 0 4 13 3 External Co
48. r lagging adjustable power factor Current Harmonics IEEE 1547 Compliant lt 5 THD AC Output Port Specifications GTIB 480 30 GTIB 208 30 AC Output Voltage 480 VAC 10 3 phase 208 VAC 10 3 phase Voltage Harmonics IEEE 1547 compliant lt 3 THD Resistive Load Maximum Load Power 30 kVA Allowable Load Power Factor 0 5 gt 1 0 gt 0 5 Maximum Load Current 40 A RMS 85 A RMS Backup Auto transfer time To Backup Seamless to IEEE less than 16ms To Line Seamless to IEEE less than 16ms GTIB 30 Installation Manual UL 64 4411 0011 Rev 2 0 Environmental Specifications Temperature Operating 0 to 40 C Storage 20 to 60 C Humidity 5 95 non condensing Cooling Forced Air Rated Max Elevation 3 000 Feet Enclosure NEMA 3 Safety Features Faults Over Under Voltage Over Under Frequency Over Current Overload Over temperature Standards Compliance IEEE 1547 UL 1741 Pending Safety Features Anti islanding grid fault detection isolation amp auto reconnect UL compliant trip points field adjustable User Interface Features Front Panel Interface Touch screen viewable in and protected from sunlight Communication MODBUS Over RS485 and RS232 Efficiency Peak Efficiency 96 5 CEC Efficiency 95 0 Nighttime TARE Losses 40 W Energy saving Features Automatic internal subsystems power down Night time transformer auto disconnect Smart load shedding a
49. row SPST Single Pole Single Throw THD Total Harmonic Distortion UL Underwriters Laboratories VPC Volts Per Cell Important Safety Instructions SAVE THESE INSTRUCTIONS This manual contains important instructions for the GTIB 30 that shall be followed during installation and maintenance of the inverter Symbols The following is a list of symbols used in this manual and on labels in the GTIB 30 kW DC circuit AC circuit Phase indicator Protective earth ground Other grounding conductor About this Manual 4411 0011 Rev 2 0 vii Warning Symbols used in this manual 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 Maintenance by Qualified Personnel Only personnel familiar with the Princeton Power GTIB 30 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 f
50. rt Email support princetonpower com Tel 1 609 955 5390 Sales Email sales princetonpower com Tel 1 609 955 5390 www princetonpower com GTIB 30 Installation Manual UL 68 4411 0011 Rev 2 0 B 4 Information About This System Record the following information and be sure to keep your proof of purchase Serial Number ______________________________ Purchased From ______________________________ Date of Purchase ______________________________ 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 PV with storage EV Charging Micro grid ________________________________ Length of time inverter has been installed ________________________________ Battery battery bank size ________________________________ Battery type e g PbA LiPh PbC other ________________________________ DC wiring size and length ________________________________ Alarm sounding ________________________________ Description of indicators on front panel ________________________________ Appliances operating when problem occurred ________________________________ Description of problem ________________________________ GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 69 This page intentionally left blank
51. to ground either the positive or negative nodes of the input DC circuit The GFDI circuit grounds the negative DC terminal to earth ground and no other ground may be used to ground either the positive and negative nodes DC Input connects to a Battery If installing an ungrounded floating DC system the GFDI option should not be installed as part of the GTIB 30 When the GFDI option is not installed it is up to the installer to decide if the battery system should be floating negative center or positive grounded DC input connects a PV array All 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 21 Connecting the PV array power connection to a different ground point will bypass the GFDI unit if installed in the GTIB 30 and is not recommended see section 4 12 PV Ground Wiring N GTIB 30 Installation Manual UL 50 4411 0011 Rev 2 0 WARNING If the system is not equipped with an optional integrated GFDI then this inverter must be used with an external GFDI device as required by the Article 690 of the National Electrical Code for the installation location The GTIB 30 has an integrated isolation transformer installed allowing for external grounding of the PV negative It is the responsibility of the installer to ensure that all grounding arrangements are NEC compliant before proceeding with the installation PPS takes no res
52. to the GTIB 30 Load Port are supplied directly from the utility as long as the grid is available When the GTIB 30 s DC port is configured for bi directional power exchange with a DC power source or DC energy system it charges its batteries from the utility grid When the batteries are full the GTIB 30 supplies all of the energy to the loads At any stage the operator can request the GTIB 30 to provide additional energy and supplement the utility grid by feeding energy from the batteries into the grid See User Manual When the DC Port is configured for PV operation the GTIB 30 can draw power from a connected PV array and supply it to the loads or optionally export it to the grid Additionally the GTIB 30 also allows solar PV energy to be supplemented with combustion generators and other AC sources 2 1 1 Power Ports The GTIB 30 Inverter has one DC port battery or PV and one or two optional AC power ports grid and load giving the GTIB 30 a total of three power ports In this manual the GTIB 30 is often symbolically represented by a diagonally divided square where one half represents the AC ports and the other half represents the DC port battery or PV This symbolic representation of the GTIB 30 is shown in the center of Figure 1 2 1 1 1 DC Port The DC port can be either used for a battery bank or for connecting a PV array to the GTIB 30 The battery port is a two wire DC port used to connect a battery bank to the GTIB 30 The PV
53. ts work with a three phase power format Both AC ports have four wire connections three live wires and one neutral wire The GTIB 208 30 is compatible with a conventional three phase 208V supply power format The GTIB 480 30 is compatible with conventional three phase 480V By measuring the voltages between any three line wires using a multi meter and comparing them to the values in Table 2 it is possible to verify if the power format being used is a 208V 480V three phase power format 2 2 1 Three phase Power Format In this power format the three phases are 120 degree phase shifted with a magnitude of 120Vrms or 277Vrms each and a frequency of 60Hz This power format is summarized in Table 2 Table 2 Summary of three phase power format GTIB 208 30 GTIB 480 30 Frequency 60Hz 60Hz Phase to Neutral Voltage 120Vrms 277Vrms Phase to Phase Voltage 208Vrms 480Vrms Air enters through vented panel Exits through vents on side GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 29 2 3 GTIB 30 Configuration Options This section provides a brief overview of how the GTIB 30 can be connected to other system components The possible configurations are 1 Load Port Option 2 GFDI Option negative grounded 3 DC Port Usage PV Battery Option 4 AC Grid Port Overcurrent Switch For more detailed information please refer to Chapter 4 The Grid Tied configuration is shown schematically in Figure 15 It is h
54. ve earth connection by feeding a green or green yellow marked earth wire with the AC wires Connect it to the earth terminal as shown in Figure 24 Refer to Section 4 7 1 AC Circuit and DC Port earth wire requirements for ground cable size requirements The earth wire must be insulated to prevent it from touching any of the exposed power terminals or the transformer WARNING If the GFDI option is installed the battery is negative grounded to the chassis See Section 4 11 1 for more information Figure 24 Main earth terminals 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 Figures 21 22 and 23 The AC terminal blocks can accommodate 18 6 AWG wire The DC terminal block can accommodate 14 2 AWG The Earth Ground terminal blocks can accommodate 14 4 AWG Earth Ground wire should be sized in accordance with Section 4 7 1 During the installation the terminal block clamps should be tightened according to the wire size being inserted For 2 0 to 6AWG Copper or Aluminum wire torque clamping screw to 120 inch lbs for 8AWG Copper wire torque clamping screw to 40 inch lbs and for 10 14AWG Copper wire torque clamping screw to 35 inch lbs Earth Ground Terminal Blocks GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 47 4 9 Utility Grid Source Port Wiring The GTIB 30 is a Grid tied inverter and the utility grid must be conn
55. y hand may lead to serious injury CAUTION Tip over hazard Do not move this equipment without mechanical assistance Use caution when working around equipment that has not been securely mounted to mounting pad 3 2 Dimensions 3 2 1 Outer Dimensions The outer dimensions of the GTIB 30 unit are shown in Figure 17 Figure 17 Outer dimensions of GTIB 30 inverter GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 33 3 2 2 Pad Mounting The GTIB 30 must be anchored to the floor Mounting holes are located in the mounting plates of the GTIB 30 The inverter is required to be mounted to a mounting pad to prevent accidental tipping of the unit The exact positioning of the mounting holes is shown in Figure 18 Figure 18 Front view of GTIB 30 Mounting plate and Bottom view of Enclosure showing position and dimensions of mounting holes Figure 19 Suggested Mounting Pad Layout for GTIB 30 Installation GTIB 30 Installation Manual UL 34 4411 0011 Rev 2 0 3 3 Inverter Placement Considerations Although the GTIB 30 inverter is designed to be as efficient as possible some heat is inevitably generated by the unit The GTIB 30 needs to be installed in such a manner that hot air generated by the unit can escape 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
56. y other way but upright GTIB 30 Installation Manual UL 36 4411 0011 Rev 2 0 This page intentionally left blank 4 Wiring Instructions GTIB 30 Installation Manual UL 38 4411 0011 Rev 2 0 4 1 Preparing for the Installation 4 1 1 Installation Tools and Materials Tools Required 1 Wire strippers 2 Assorted open end wrenches or socket wrench set and fittings 3 Torque wrench 4 Electrical tape 5 Multi meter AC DC Voltage up to 600V 6 Assorted Phillips screw drivers 7 Allen Hex head driver set through 1 2 8 Slotted screw driver 9 Level 10 Pencil 11 Utility knife 12 Knockout punch for installing wires through gland plate 13 Assorted Rubber grommets to dress wire holes in gland plate The following materials may be required for completing this installation 1 Conduits code compliant conduit is recommended bushings wire nuts appropriate fittings for wire run and seals as necessary 2 Electrical wire of appropriate size and length see Tables 3 and 4 3 Breaker panels if used 4 Additional AC and DC disconnect and overcurrent switches protection see Table 3 for required ratings 5 Ground busses bars and or rods 6 Ferrules on all wire ends GTIB 30 Installation Manual UL 4411 0011 Rev 2 0 39 4 2 Safety WARNING Shock Hazard Ensure that all three ports are disconnected from the unit via external disconnect switches before performing any mai
57. ying or cracked insulation 4 Check room for potential hazards such as standing water on the floor or on the GTIB 30 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 all inclusive Resolve all issues before operating the inverter Contact Princeton Power Systems if necessary Terms of Use 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 About this Manual x 4411 0011 Rev 2 0 Battery Information This system is designed to be operated with a variety of

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