OutBack Power Radian GS8048A Installation Manual
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OutBack Power Radian GS8048A Installation Manual

Radian series inverter/charger
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Radian Series Inverter/Charger
GS8048A
GS4048A
Installation Manual

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Summary of Contents for OutBack Power Radian GS8048A

  • Page 1 Radian Series Inverter/Charger GS8048A GS4048A Installation Manual...

  • Page 2: Contact Information

    About OutBack Power Technologies OutBack Power Technologies is a leader in advanced energy conversion technology. OutBack products include true sine wave inverter/chargers, maximum power point tracking charge controllers, and system communication components, as well as circuit breakers, batteries, accessories, and assembled systems. Grid/Hybrid™...

  • Page 3: Table Of Contents

    Table of Contents Introduction ....................3 Audience ....................................3 Welcome to OutBack Power Technologies ......................... 3 Components and Accessories ............................4 Planning ...................... 5 Applications ................................... 5 Input Modes ......................................6 Renewable Energy ................................6 Battery Bank ................................... 7 Generator ....................................9 Maintenance Bypass Switching ...........................
  • Page 4 Figure 13 AC Terminals, Ports, and Ground Bus ..................18 Figure 14 Chassis Ground TBB ........................19 Figure 15 GS8048A and GS4048A Battery Terminals ................20 Figure 16 DC Cable Hardware (Radian inverter) ..................21 Figure 17 AC Terminals ..........................22 Figure 18 AC Sources ............................

  • Page 5: Introduction

     Battery-to-AC inverting which delivers split-phase power (100/200 Vac to 120/240 Vac at 60 or 50 Hz)  Model GS8048A can continuously produce 8 kVA (33 Aac) Model GS4048A can continuously produce 4 kVA (16 Aac)  Mounts easily with supplied mounting plate ...

  • Page 6: Components And Accessories

    Introduction Components and Accessories IMPORTANT: This product is not compatible with the OutBack MATE or MATE2 System Display and Controller. Use of these products is not supported with the Radian Series. IMPORTANT: This product is not stackable with the GS8048 inverter. See page 32. Table 1 Components and Accessories Included in Box...

  • Page 7: Planning

    Planning Applications The Radian Series Inverter/Charger is intended for both off-grid and grid-interactive (Grid/Hybrid) applications. It is designed to use a battery bank to store energy. It can work in conjunction with photovoltaic (PV) modules to harvest solar energy, as well as wind turbines and other renewable sources.

  • Page 8: Input Modes

    Planning Input Modes The Radian inverter has seven modes of operation. These modes determine how the Radian interacts with an AC source. Each mode has functions and priorities that are intended for a designated application. Each of the Radian’s two AC inputs can be set to a different operating mode, so that different applications can be supported.

  • Page 9: Battery Bank

    Planning Battery Bank When planning a battery bank, consider the following:  Cables: Recommendations for battery cable size and length are shown on page 20. The maximum length will determine the placement of the battery bank. Other local codes or regulations may apply and may take priority over OutBack recommendations.

  • Page 10: Table 2 Battery Bank Elements

    Planning Table 2 Battery Bank Elements G. System DC voltage: The Radian inverter Item Source of information requires nominal 48 Vdc to operate. A. Load Size Site-specific H. Battery voltage: Most individual battery B. Daily Hours Site-specific voltages are less than the system DC voltage. C.

  • Page 11: Generator

    Planning EXAMPLE #2 A. Backup loads: 1.75 kW (1750 W) 1) A ÷ [E x F] 1750 ÷ (0.97 x 0.93) = 1939.9 W Hours of use: 8 2) 1 ÷ G 1939.9 ÷ 48 = 40.4 Adc C. Days of autonomy: 2 3) 2 x B 40.4 x 8 = 323.3 Ahr D.

  • Page 12: Maintenance Bypass Switching

    Planning Maintenance Bypass Switching Inverter systems are often equipped with AC maintenance bypass switches or interlocks. If the inverter system ever needs to be shut down or removed, the AC sources and loads must be disconnected. A bypass device allows the AC source to deliver power directly to the loads, bypassing the inverter.

  • Page 13: Installation

    Installation Location and Environmental Requirements Radian Series Inverter/Chargers must be located in a weather-proof enclosure or enclosed area. It is not designed for exposure to water or excessive wind-blown dust and debris. It carries an Ingress Protection (IP) rating of 20 and a Relative Humidity (RH) rating of 93%. The Radian inverter must be wall-mounted in an upright position.

  • Page 14: Figure 7 System Dimensions

    Installation 0.45” (1.1 cm) 0.45” (1.1 cm) 8.75” Width 16.0” (40.6 cm) (22.2 cm) 13.7” (34.8 cm) 28” 29.0” (71.1 cm ) (73.7 cm) 45.0” (114.3 cm) 12.5” (31.8 cm) This illustration can be used as a basic template for planning layouts, marking mounting holes, etc.

  • Page 15: Tools Required

    Installation Tools Required The following tools may be required for this installation:  Wrench and socket sets; should include torque and ratchet  Insulated screwdriver set; should include wrenches; also reversible (stubby) wrenches for narrow access a #2 Phillips screwdriver 15 to16” long ...

  • Page 16: Figure 9 Mounting The Inverter

    Installation …continued from the previous page… Place the Radian inverter against the wall and slide it directly over the upper lip of the mounting plate. The inverter’s mounting flange should come to rest within the lip so that it hangs securely. Radian Inverter To assist in alignment, dimples have been placed on the side of the unit to mark the lower edge of the flange.

  • Page 17: Component Mounting

    Installation Component Mounting The top of the GS Load Center (GSLC) connects to the bottom of the Radian inverter using four keyhole slots. The keyhole slots fit over four screws on the bottom of the inverter that secure the GSLC to the inverter when they are tightened. (The long screwdriver recommended on page 13 may be needed to reach these screws.) The GSLC should be secured to the wall using screws or wall anchors.

  • Page 18: Removing Front Cover

    Installation Removing Front Cover The front cover must be removed in order to access the Radian inverter’s AC terminals and other connections. These include the Remote and Batt Temp ports, as well as several sets of auxiliary terminals. Twenty-two machine screws are located around the perimeter. Remove these screws with a #2 Phillips screwdriver.

  • Page 19: Terminals And Ports

    Installation Terminals and Ports DC TERMINALS Connects to the battery cables and DC system. There are two DC positive and two DC negative terminals. Each DC positive terminal requires separate cables and separate overcurrent protection. See page 20 for instructions. RIBBON CABLES Connects the Radian’s power modules and control board.

  • Page 20: Figure 13 Ac Terminals, Ports, And Ground Bus

    Installation CONTROL WIRING TERMINAL BLOCK: Receives control wires for a variety of functions, including generator control. See facing page for terminal descriptions. REMOTE and BATTERY TEMP PORTS: Receive the RJ45 and RJ11 plugs from the MATE3 system display and Remote Temp Sensor.

  • Page 21: Wiring

    Installation Wiring It will be necessary to remove knockouts from the chassis to run wires. Bushings are included with the hardware kit to protect the wires. Make sure to install these bushings in the holes. Use copper wire only. Wire must be rated at 75°C or higher. Grounding WARNING: Shock Hazard This unit meets the IEC requirements of Protection Class I.

  • Page 22: Dc Wiring

    (provided). Notes on assembly and cabling are shown on the next page. IMPORTANT: The Radian GS8048A contains two internal power modules, each with its own  set of DC terminals. Both sets of terminals must be connected to battery power for the inverter to work correctly.

  • Page 23: Table 4 Dc Conductor Size And Torque Requirements

    M8-1.25 Hex Bolt The hardware should be arranged according to the appropriate image below. GSLC models used with the GS8048A inverter are equipped with a DC positive (+) plate. The plate accepts an M8 hex  bolt and nut. See image B.

  • Page 24: Ac Wiring

    Installation AC Wiring WARNING: Shock Hazard The neutral and ground conductors should be mechanically bonded.  Ensure there is no more than one AC neutral-ground bond at any time.  Local or national codes may require the bond to be made at the main panel only.
  • Page 25 Installation The terminals labeled L1 and L2 GRID are used to connect to the two utility grid “hot” wires. The L1 and L2 wires are usually black and red respectively, and read 120 Vac each when measured with respect to neutral. In a standard service, L1 and L2 are 180 degrees out of phase and should read 240 Vac when measured from one to the other.

  • Page 26: Figure 18 Ac Sources

    Installation AC Sources The inverter’s transfer relay is normally set to provide inverter power to the output. The conditions for AC acceptance are defined by the inverter’s programmed settings and AC input mode. The relay will switch to transfer the AC source power to the output when the AC acceptance conditions are met.

  • Page 27: Accessory Wiring

    Installation Accessory Wiring The upper board has ports for both the Remote Temperature Sensor (RTS) and the system display. The system display port is System Display port labeled Remote. The RTS port is labeled Battery Temp. If a HUB Communications Manager is in use, it RTS port occupies the inverter’s Remote port.

  • Page 28: Aux Wiring

    Installation AUX Wiring The Radian inverter has two sets of terminals which can respond to different criteria and control many functions. These include cooling fans, vent fans, load diversion, fault alarms, and the Advanced Generator Start (AGS) function. The 12V AUX terminals are a switched 12 Vdc power supply. They can control any of the Auxiliary Output functions available in the system display (MATE3).

  • Page 29: Generator Control

    Installation In this example, the 12V AUX terminals drive a relay that diverts wind power. The relay’s coil is connected to the 12V AUX terminals. When the AUX function closes the relay (based on battery Turbine voltage), the relay diverts the excess wind power to a water heating element.

  • Page 30: Figure 23 Two-Wire Generator Start (Relay Aux)

    Installation In other cases, or in the case of a three-wire-start generator, the inverter should use the 12V AUX terminals instead, in conjunction with a three-to-two wire converter. (See pages 28 and 29.) Two-Wire-Start Generator Starting Switch Figure 23 Two-Wire Generator Start (RELAY AUX) Two-Wire-Start (12V AUX Terminals) The 12 Vdc signal provided by the 12V AUX terminals can be switched on and off to provide a start signal.

  • Page 31: Figure 25 Three-Wire Generator Start (Example)

    Installation Three-Wire-Start A “three-wire-start” generator has two or more starting circuits. It usually has a separate switch or position for cranking the generator. A three-wire generator has fewer automated functions than a two-wire. It usually requires multiple controls for starting, running, or stopping. The inverter terminals cannot control this type of generator without using a three-wire to two-wire conversion kit.
  • Page 32 Installation NOTES: 900-0160-01-00 Rev A...

  • Page 33: Ac Configurations

    Installation AC Configurations Single-Inverter Figure 26 (below) shows the general wiring of the Radian inverter and the AC system connected to it. This figure is not a physical representation of the inverter and does not depict the GSLC. Figure 27 (see next page) shows the locations of AC and network connections. This figure is a physical diagram for wiring the GSLC, network components, and external AC devices with the inverter.

  • Page 34: Figure 27 Single-Inverter Ac Wiring With Gs Load Center

    Installation NOTES: 1. Ground wiring is not shown for reasons of simplicity. Regardless, this system must be connected to a grounded, permanent wiring system. See page 19. 2. The Radian inverter has separate neutral connections for grid input, generator input, and output. These are electrically common. If an external neutral bus exists (as shown in the GSLC), not all of the Radian neutral connections need to be made.

  • Page 35: Multiple-Inverter Ac Installations (Stacking)

    1 on the communications manager. In a parallel-stacked system, the master tends to be the most heavily used unit.  Only one slave mode, “OutBack”, is available for the GS8048A and GS4048A. This mode is used for inverters stacked in parallel.
  • Page 36 Installation IMPORTANT:  Neither the GS8048A nor the GS4048A can stack with the previous model GS8048. The GS8048 can share a HUB product with the others if it is wired independently. The GS8048A can be stacked with the GS4048A using HUB products. To optimize ...

  • Page 37: Figure 29 Example Of Parallel Stacking Arrangement (Three Inverters)

    Installation Parallel Stacking (Dual-Stack and Larger) In parallel stacking, two or more inverters are stacked to create a single, common AC bus as shown in Figure 29.  The slave outputs are controlled directly by the master and cannot operate independently. ...

  • Page 38: Figure 30 Parallel Wiring

    Installation NOTES: 1. The Radian inverter has separate neutral connections for grid input, generator input, and output. These are electrically common. If an external neutral bus exists (as shown in the AC Load Panel above), not all of the Radian neutral connections need to be made. 2.

  • Page 39: Figure 31 Parallel Wiring With Gslc

    Installation NOTES: 1. Ground wiring is not shown for reasons of simplicity. Regardless, this system must be connected to a grounded, permanent wiring system. See page 19. 2. The Radian inverter has separate neutral connections for grid input, generator input, and output. These are electrically common. If an external neutral bus exists (as shown in the GSLC), not all of the Radian neutral connections need to be made.

  • Page 40: Functional Test

    Installation Functional Test Once the mounting, wiring, and other installation steps are completed, proceed to the Radian Series Inverter/Charger Operator’s Manual. The Operator’s Manual has steps for system commissioning. These include powering up and performing a functional test on the inverter system, as well as powering down and adding new devices to an existing system.

  • Page 41: Symbols, Terms, And Definitions

    Symbols, Terms, and Definitions Symbols Used WARNING: Hazard to Human Life This type of notation indicates that the hazard could be harmful to human life. CAUTION: Hazard to Equipment This type of notation indicates that the hazard may cause damage to the equipment. IMPORTANT: This type of notation indicates that the information provided is important to the installation, operation and/or maintenance of the equipment.

  • Page 42: Table 5 Terms And Definitions

    Terms and Definitions Table 5 Terms and Definitions Term Definition Emergency Power Off; a switching product used for emergency shutdown GFDI Ground Fault Detector Interruptor; a safety device for PV systems Ground; a permanent conductive connection to earth for safety reasons; also known as Chassis Ground, Protective Earth, PE, Grounding Electrode Conductor, and GEC Grid/Hybrid™...

  • Page 43: Index

    Index AC Inputs ............. 5, 18, 22, 24 Features ..................3 AC Wiring ................ 18, 22 FLEXmax ................4, 15 Advanced Generator Start (AGS) ........26 FLEXmax Extreme ............... 15 Applications ................5 Front Cover ................16 AUX ................17, 26, 39 Generator ................
  • Page 44 Index MATE3 ..............4, 15, 18, 40 Switch ................17, 25 AUX ..................26 Symbols Used ............... 39 Stacking ................33 System Display ..........4, 25, 35, 40 Mounting Components ..............15 Dimensions .............. 11, 12 Orientation ..............11 Temperatures ............... 11 Plate ................
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  • Page 46 THIS PAGE INTENTIONALLY LEFT BLANK. 900-0160-01-00 Rev A...
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  • Page 48 Masters of the Off-Grid.™ First Choice for the New Grid. Corporate Headquarters European Office 17825 – 59 Avenue N.E. Hansastrasse 8 Suite B D-91126 Arlington, WA 98223 USA Schwabach, Germany +1.360.435.6030 +49.9122.79889.0 900-0160-01-00 Rev A...

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