Alpha OutBack Power GS4048A Operator'S Manual Download Page 1

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Radian Series Inverter/Charger

GS4048A

GS8048A

Operator’s Manual

Summary of Contents for OutBack Power GS4048A

Page 1: ...Radian Series Inverter Charger GS4048A GS8048A Operator s Manual...

Page 2: ...VIDED IN ITS MANUALS OR OTHER DOCUMENTATION b ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSS OR DAMAGE WHETHER DIRECT INDIRECT CONSEQUENTIAL OR INCIDENTAL WHICH MIGHT ARISE OUT OF THE USE OF SUCH INF...

Page 3: ...face Protection Menu 15 UPS 16 Backup 16 Mini Grid 16 GridZero 18 Description of Inverter Operations 21 Inverting 21 DC and AC Voltages 21 AC Frequency 22 Search 23 Input 24 AC Current Settings 24 AC...

Page 4: ...arnings Disconnect Messages 54 Sell Status 55 Specifications 57 Electrical Specifications 57 Mechanical Specifications 58 Environmental Specifications 59 Temperature Derating 59 Regulatory Specificati...

Page 5: ...ble 13 Mechanical Specifications for Radian Models 58 Table 14 Environmental Specifications for Radian Models 59 Table 15 Chargers On and Current Settings 62 Table 16 Charge Currents for Calculations...

Page 6: ...Table of Contents 6 900 0161 01 01 Rev B THIS PAGE INTENTIONALLY LEFT BLANK...

Page 7: ...provided is important to the installation operation and or maintenance of the equipment Failure to follow the recommendations in such a notation could result in voiding the equipment warranty NOTE Th...

Page 8: ...es Inverter Charger It is designed to offer a complete power conversion system between batteries and AC power As part of an OutBack Grid Hybrid system it can provide off grid power grid backup power o...

Page 9: ...em display is required for grid support functionality see below x Supports the OPTICS RE online tool1 for a cloud based remote monitoring and control application a Requires the MATE3 or the AXS Port a...

Page 10: ...modified using a MATE3 class device it can be removed from the installation The settings are stored in the nonvolatile memory of the Radian inverter However it is highly recommended to include a syst...

Page 11: ...ions These operations are described in detail beginning on page 20 Most of these items operate the same regardless of which input mode is selected The exceptions are noted where appropriate NOTE The R...

Page 12: ...when used with the Radian Generator allows these waveforms to be accepted The charging algorithm of this mode is designed to work well with AC generators regardless of power quality or regulation mech...

Page 13: ...the batteries See page 36 for more information on the Offset function NOTES IMPORTANT The inverter will draw energy from the batteries when the loads exceed the appropriate AC Limit With sustained lo...

Page 14: ...ill not connect to the utility grid The timer is adjustable in the Grid Interface Protection menu see below x Upon initial connection to the utility grid the inverter may be required to perform a batt...

Page 15: ...ge 25 which are used in most other modes See page 37 for more information on the Grid Support function a Before operating in Grid Tied mode be sure to obtain any necessary interconnection agreements o...

Page 16: ...k When the utility power returns it will be used to power the loads again BENEFITS x This mode will continuously maintain the batteries in a fully charged state unlike the Support mode It does not hav...

Page 17: ...h the system display Grid Use Time and Load Grid Transfer functions These functions do not have similar priorities to Mini Grid or HBX but they do control the inverter s grid connection and disconnect...

Page 18: ...se of battery power and grid power It puts renewable energy to the most effective use without selling power to the utility grid x GridZero mode minimizes dependence on the grid as long as certain cond...

Page 19: ...ries with fastest possible response time Quick backup for sensitive devices during grid outage x Uses higher idle power than other modes x Search function unavailable x Offset unavailable Source Grid...

Page 20: ...Operation 20 900 0161 01 01 Rev B NOTES...

Page 21: ...esign uses transformers and high frequency H Bridge FET modules to achieve the required high wattage output In the GS8048A the dual design allows half the inverter to shut down for lower idle consumpt...

Page 22: ...nverter is also controlled by a high battery cut out limit If the DC voltage rises above this limit the inverter will immediately stop functioning and give a High Battery V error This function is inte...

Page 23: ...imply results in a power interruption or nuisance shutdown x Search mode may not be useful with loads that are critical or are intentionally operated a large portion of the time even if they are not c...

Page 24: ...t a smaller AC source When GridZero mode is selected the battery charger cannot be used See page 19 for descriptions of these and other input modes AC Current Settings The AC current settings Grid Inp...

Page 25: ...nd Limits The settings are titled Voltage Limit Lower and Upper When adjusted they apply equally to L1 and L2 There can be side effects to changing the range of allowed voltages x Each of the AC input...

Page 26: ...ads on that output should never exceed this number When connected to an AC source the Radian inverter cannot limit the load current An overload condition is possible The inverter does not filter or ac...

Page 27: ...to a usable AC figure divide the DC figure by 4 and round up The result can be used as a charger setting for the Radian inverter Examples 1 Bank consists of 8 x L16 FLA batteries in series Recommended...

Page 28: ...lk Absorption and Float stages These stages follow a series of steps which are shown on graphs and described beginning below The inverter s factory default settings are intended for three stage chargi...

Page 29: ...but the charger has been turned off Bulk Stage This is the first stage in the three stage charge cycle It is a constant current stage which drives the battery voltage up This stage typically leaves th...

Page 30: ...e will naturally decrease when not maintained by another means such as a renewable source The term Silent is also used in an unrelated context regarding Power Save See the Power Save section of the In...

Page 31: ...ent However the charger can begin a single three stage charge if the criteria are met after which it will return to continuous Float Silent Following the expiration of the Float timer the unit enters...

Page 32: ...t in Cycle 1 Absorb Time had expired It was not reset afterward and retained a remaining run time of zero The Bulk and Absorb stages do not occur on subsequent cycles until the timer reads something o...

Page 33: ...imer began running near the beginning of Cycle 3 and also Cycle 4 when the batteries exceeded the Float Voltage setting the Float Time has also expired The charger does not enter Refloat or Float and...

Page 34: ...e manufacturer Some batteries may suffer severe damage from equalization Contact the battery manufacturer for recommendations on equalization voltage duration schedule and or advisability Other batter...

Page 35: ...charging voltage inversely with changes in temperature It will increase the charge voltage by 5 mV for every decrease of 1 degree Celsius per battery cell Similarly it will decrease the voltage 5 mV...

Page 36: ...tings Absorb Voltage Float Voltage and Equalize Voltage as shown in the system display are all used as reference voltages Normally the charger regulates to these set points by adding power to the batt...

Page 37: ...cy Ride Through2 the high or low limit for AC frequency disturbances If these limits are exceeded for the Trip time or longer the inverter will disconnect from the utility grid For a lesser duration t...

Page 38: ...en in Figure 6 shows which functions are enabled Figure 6 Grid Support Function Screen When Grid Support functions require the inverter to export power to help sustain grid voltage or frequency the in...

Page 39: ...ll set points are used by all functions Each AUX mode description below will detail the set points that are used for that function a Low DC voltage settings a High DC voltage settings a On delay setti...

Page 40: ...e GRID terminals are energized an automatically controlled generator will shut down This prevents an automatic generator from working correctly when using the GRID terminals x Fault activates the AUX...

Page 41: ...n can serve as rough charge regulation for an external charging source a When battery voltage rises above a settable high voltage level the AUX output is activated after a settable delay The AUX outpu...

Page 42: ...n Runs fan to vent batteries while charging x High Vdc x Below high Vdc x High Vdc x Off delay Cool Fan Runs fan to cool Radian x Internal sensor 60 C x Internal sensor 49 C None DC Divert Turns on DC...

Page 43: ...sent Figure 8 Inverter Screens Screen items x The upper left corner is the Inverter Mode see above If the selected inverter is a slave only a few modes are possible When Charging is indicated in this...

Page 44: ...es of data over time on the system display screen Battery Screen From the L2 Phase screen the Next soft key brings up a screen showing charger status charger settings and battery voltage and temperatu...

Page 45: ...Use a DC voltmeter to check the voltage directly on the DC terminals If not present the problem is external If present the inverter could be damaged Jumper J3 missing See the Installation Manual for...

Page 46: ...hot key If this setting was intentional then no action is required Grid use function has disconnected from AC System display only If activated prematurely check the Grid Use Time settings and the syst...

Page 47: ...rter s approved limits If not the inverter is operating correctly Contact the utility company if necessary System display only The program limits are found in the inverter s Grid Interface Protection...

Page 48: ...nchronized with the AC source This may require a short time Loads drop out or crash during transfer Erratic AC source voltage Check AC voltage on the inverter s input test points See page 45 If not co...

Page 49: ...econnect to the generator and try again Change input modes or move the generator to an input with a different mode selected Inverter hums loudly System display may show messages for high battery volta...

Page 50: ...t priority is set to GRID and the GRID terminals are energized an automatically controlled generator will shut down This could indicate that the generator has been wired to the GRID input or it could...

Page 51: ...ent shut it off Stacking Error Programming problem among stacked units Occurs if master inverter was not designated Can also occur if AC Output Backfeed occurs x Check stacking programming and designa...

Page 52: ...ptable frequency limit and prevents connection Check the AC source If it is a generator increase its speed Voltage Too High The AC source is above the upper acceptable voltage limit and prevents conne...

Page 53: ...he temperature sensor readings shown in Table 7 are used to limit the inverter operation in high temperatures Table 8 shows the effects on the inverter and the temperature used by each sensor to cause...

Page 54: ...ck AC source If it is a generator reduce speed Frequency Too Low The AC source has dropped below acceptable frequency levels Check AC source If it is a generator increase speed Voltage Maximum The AC...

Page 55: ...id and begin selling power again If the AC source is unstable it may become unacceptable before the timer expires This may cause the timer to continually reset It is possible for brief fluctuations to...

Page 56: ...Troubleshooting 56 900 0161 01 01 Rev B NOTES...

Page 57: ...s peak 100 Aac 240 Vac 50 Aac 240 Vac AC Maximum Output Current 100 ms RMS 70 7 Aac 240 Vac 35 35 Aac 240 Vac AC Overload Capability 100 ms surge 16 97 kVA 8 48 kVA AC Overload Capability 5 second 12...

Page 58: ...to 68 Vdc 44 to 68 Vdc Auxiliary Output 0 7 Adc at 12 Vdc 0 7 Adc at 12 Vdc Auxiliary Relay 10 A at 250 Vac or 30 Vdc 10 A at 250 Vac or 30 Vdc Mechanical Specifications Table 13 Mechanical Specifica...

Page 59: ...t locations No Relative Humidity Rating 93 Pollution Degree Classification PD 2 Maximum Altitude Rating 6561 2000 m Overvoltage Category AC Input 3 Overvoltage Category DC Input 1 Temperature Derating...

Page 60: ...terconnection response times as required by IEEE 1547 They also include manufacturer s stated accuracies and grid support function parameters as required by UL 1741 SA NOTE The reconnection delay has...

Page 61: ...setting Note that this table specifies the number of chargers to leave on This will achieve the possible closest charging output to the number specified in Aac without exceeding it All other chargers...

Page 62: ...n higher numbered ports should be turned off first Chargers should be turned off by setting the Charger Control menu item to Off See the menu tables beginning on page 63 to locate this command in the...

Page 63: ...dian Menu Items Field Item Default Minimum Maximum INVERTER Hot Key Inverter Mode Off On Off or Search CHARGER Hot Key Charger Control On On or Off AC Input Hot Key AC Input Mode Use Drop or Use Searc...

Page 64: ...d Gen Alert Fault Vent Fan Cool Fan DC Divert GT Limits Source Status AC Divert Load Shed ON Batt 56 0 Vdc 40 0 Vdc 72 0 Vdc Load Shed ON Delay 0 5 minutes 0 1 minutes 25 0 minutes Load Shed OFF Batt...

Page 65: ...to Auto Left Right Both GS4048A Left Auto Left Right Both Calibrate Grid AC Input Voltage X 0 Vac 7 Vac 7 Vac Gen AC Input Voltage X 0 Vac 7 Vac 7 Vac Output Voltage X 0 Vac 7 Vac 7 Vac Battery Voltag...

Page 66: ...00 Hz 59 95 Hz Gradient High X 250 Hz 5 Hz 250 Hz Low 133 Hz 5 Hz 250 Hz Re Start Freq High X 60 50 Hz 60 000 Hz 64 90 Hz Low 59 85 Hz 55 10 Hz 60 00 Hz Re Start Period 1 minute 0 minutes 30 minutes V...

Page 67: ...Specifications 900 0161 01 01 Rev B 67 NOTES...

Page 68: ...age to AC voltage for load use or other applications LBCO Low Battery Cut Out set point at which the inverter shuts down due to low voltage Master An inverter which provides the primary output phase o...

Page 69: ...32 33 Steps 28 Battery Voltage 44 Bulk Stage 29 C Caution Symbol 7 Charging Absorption Stage 29 Bulk 29 Current 27 Equalization 34 Float 30 Multiple Inverters 27 61 New Bulk 32 None 29 Re Bulk 31 33...

Page 70: ...ransfer 16 LoadShed 39 Low Battery Cut In 22 Low Battery Cut Out LBCO 22 M MATE3s MATE3 class 10 43 45 Metering 43 Mini Grid Mode 16 Modes 9 Backup 16 Generator 12 Grid Tied 14 25 55 GridZero 18 Mini...

Page 71: ...ers Absorption 29 Equalize 34 Float 31 Transfer Relay 24 26 Troubleshooting 45 Disconnect Messages 54 Error Messages 51 Sell Status Messages 55 Warning Messages 52 U UL 1741 9 60 Updating Firmware 63...

Page 72: ...B Masters of the Off Grid First Choice for the New Grid Corporate Headquarters 17825 59th Avenue N E Suite B Arlington WA 98223 USA 1 360 435 6030 European Office Hansastrasse 8 D 91126 Schwabach Germ...

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Alpha OutBack Power GS4048A, Operator'S Manual

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