Outback Power Systems user manual FLEXmax 80 Internal Fan, FLEXmax 80 is beeping

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FLEXmax 80 Internal Fan

•The internal fan will only run when the internal temperature has reached approximately 112°F. The fan will continue running until the internal temperature is less than 104°F.

FLEXmax 80 is beeping

•When the FLEXmax 80 is in Extended Play mode, the array is very hot, and the MPP is close to the battery voltage, or the nominal PV voltage is higher than the nominal battery voltage, beeping can occur. To disable the Extended Play feature, go to the MAIN Menu and press and hold the #1 soft key until the FLEXmax 80’s software version appears on the screen. Continue pressing the #1 soft key and press the #3 soft key at the same time until X Off displays on the screen. To reactivate Extended Play, repeat these steps and hold the #3 soft key until X On displays. Extended Play is meant to optimize the performance of a hot array, but isn’t critical to efficient FLEXmax 80 operations.

To enable/open the FLEXmax SELECT VERSION screens:

• Turn off the DC and array breakers

•Press and hold the first and third soft keys

•Turn on the battery breaker

•Follow the SELECT VERSION screen instructions from the beginning of the manual

•Rebooting the FLEXmax 80 like this will return all the values and set points to the factory defaults.

DC Breakers /

Battery Breaker

Press and hold the first and third soft keys

Figure 9

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Image 75

Contents User’s Guide Dear OutBack Customer Warranty SummaryContact Information About OutBack Power SystemsDisclaimer Date and RevisionTable of Contents Product Registration and Optional Extended Warranty Firmware FLEXmax 80 Maximum Power Point Tracking Charge ControllerScope IntroductionStandards and Requirements Personal Precautions During Installation Outback Power Systems FLEXmax Installing the FLEXmax 80 FLEXware DC Enclosures Mounting to PlywoodDC Enclosure FLEXmax Bushing Locknut Conduit Nipple Determining Wire Sizes Wire and Disconnect SizingOpen Circuit Voltage/Wire and Disconnect Size FLEXmax 80 wiring compartment FLEXmax 80 Wiring ConnectionsPage Page Page Soft keys How to Read the FLEXmax 80 Screen DiagramsPowering Up Power Up ScreenOutBack12V Power Systems FLEXmax 150 Password ContrasenaSelect Version Elija la Version USA Next Enter Entra SELUSA Noyes Sytem VoltageEnter AUX OFF Status ScreenEnd of Day Summary Screen Recharging Using the PV ArrayAccessing the Main Menu Charger Aux Light EQ Misc Advanced Logging StatsExit F G GO Absorbing 14.4V Float 13.8V Charger Set-UpCurrent Limit 80.0ANight Light Output Off AUX Mode and Its FunctionsAUX Mode Exit Next SET ModePressing the Next soft key scrolls through the AUX functions AUX Mode Menu PathAUX modes in order of appearance on the FLEXmax 80 display Exitvolt Vent FAN Volts Programming the AUX ModesOff Vent FanFan screen Exit VoltExit Next SET PV Trigger Output OffExit Time Volt Output OnPV Trigger Exit Time Volt PV VoltsPress the Next soft key to view the Error Output screen Hold Time Sec 01.1 Back +PV Trigger Output On Error Output 01 hrs Exitvolt Error LOW Batt VoltsExitvolt AUX Mode Error Output Exit Next SET Mode AUX Mode Exit Hyst Time VoltBack + OFF Press the Volt soft key Night Light Off Hysteresis Time Minutes Back +Night Light On Time Hours Back + Night Light Threshold Voltage 010 Back +Press the Next soft key ro view the AUX Float screen Output Off AutoFloat Output Off Diversion Relay Output OffAbsorb--Float--EQ Relative Volts Hold Delay 01.0 Time SecondsBack DLY+ AUX Mode Diversion RelayPress the Exit soft key Exit Time Volt AUX ModeDiversion Solid St Output On Example of DiversionDiversion Load and AUX Wiring Set-Up Illustrated Delay Time Sec Timer Back + Press the Time and Volt soft keys to adjust the set pointsLow Batt Disconnect Exit Time Volt Disconnect Volts BackRE-CONNECT Volts Exit soft key twice to return to the Main Menu Off screen Remote Output OffCharger GAux Light Misc Logging StatsCharger Aux GLight EQ Misc Optimize Logging Stats EQ-Battery EqualizeExit + Mode BacklightBack Auto Start Stop Battery EqualizeExit Next -EQV +EQV Battery Equalize Exit Next -HRS +HRS Battery EqualizeExit Next -EQV +EQV Count000 Exit DAY +DAYPress Next to Continue to the Force Bulk/Float Screen MISC-MiscellaneousGT State PWM% ChgT 255 07 50.0 Exit NextPCB PWM%Force Exit Next Float BulkExit Advanced Menu Snooze Mode .6 ampAdvanced Charger Aux Light Misc GAdvanced Logging StatsPress the Next soft key to view the Park Mpp screen Wakeup Mode 1.5V 05m Exit Next +VOC +MinMppt Mode Auto Track Exit Next nonGT Mode This screen allows the user to choose one of these modesPark Mpp Watts 77 % Voc Park Mpp 77 % VocExit Next -% +% Advanced Menu Mpp Range Limit %Voc Min Max Exit Next 1/2 90%Charging-Related Screens Advanced Menu Absorb Time Limits HoursExit Next + 12.6 00 aExit Next Limit SET RTS Compensation Vbatt Calibration 14.1RTS Compensation 14.1 Exit Next Wide Advanced MenuExit Next Limit SET Mode Exit Next Mode Advanced MenuMode Exit Next Mode RTS Compensation 14.4 V FExit Next Mode Advanced Menu Reset to Defaults?Aux Polarity GLogging Stats Are you sure? Reset to DefaultsYesno Advanced Menu ChargerMIN FLT LoggingClear LOG Back Totl Daily Today 0000Ah 00.0 KWH 011Vp 00.0Ap 00kWp MAXStats Secondary Stats screen Micro-Hydro and Fuel Cell Applications Warranty its use in these applicationsPark Mpp Watts Mppt Mode Auto TrackTo adjust the Lower Mpp Range Limit Advanced Menu Micro-Hydro and Fuel Cell ApplicationsAbbreviated Menu Map Positive grounded systems OutBack Power System GTFX/GVFX Grid-tie settingsApplication Notes Grid-tie applications non-OutBack inverter/chargers24V Battery System Efficiency Curve 12V Battery System Efficiency CurveUnderstanding the Various Operational Modes Page Page Aux relay state indicates if the AUX is on or OFF MATE-Displayed FLEXmax 80 Screens Status Mode ScreensMATE-Displayed FLEXmax 80 Status Meter Screens FLEXmax Meter ScreensPress Setp to view Setpoint screens MATE-Displayed FLEXmax 80 Status Setpt SET Point Screen MATE-Displayed FLEXmax 80 Advanced ScreensCC Setpoint Screens FLEXmax 80 Advanced Menu FLEXmax 80 Stats Screens FLEXmax 80 EQ ScreensFLEXmax 80 AUX Screens FLEXmax 80 Displayed ScreensAbbreviated Exit Next + Advanced Menu FLEXmax 80 is always Sleeping Troubleshooting GuideFLEXmax 80 does not boot/power-up blank LCD FLEXmax 80 not producing expected powerFLEXmax 80 is not equalizing FLEXmax 80 Battery Temperature Compensated VoltageTo enable/open the FLEXmax Select Version screens FLEXmax 80 Internal FanFLEXmax 80 is beeping Typical Array Sizing Guide Standard vs. Australian Default Settings 36V PV Array 48v Vmp Wire Distance Chart12V PV Array 16v Vmp 24V PV Array 32v Vmp48V PV Array 64v Vmp 60V PV Array 80v Vmp72V PV Array 96v Vmp NEC Compliance Wire and Disconnect SizingBattery Side of the Controller PV Side of the ControllerOutput Rating less than 64 amps Wiring CompartmentMaximum recommended battery conductor is #2** AWG Recommended Conductor and Breaker Sizes for the FLEXmaxFLEXmax 80 MULTI-STAGE Battery Charging Page Non-Battery Temperature Compensated System Battery Temperature Compensated SystemBattery temperature compensation with other slopes Battery Voltage and State of Charge Suggested Battery Charger SET PointsCalling the Factory for Assistance SpecificationsFLEXmax Products Five Year Limited Warranty InformationRevision.2007-10-02 Outback Power Systems Inc 19009 62nd Ave. NE Limited Warranty RegistrationEU Declaration of Conformity OWNER’S System Information Phone +1 BARCELONA, España Phone +34.93.654.9568