Xantrex Technology TC2 204060 manual Two-Stage Charging

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TC2 204060 Series BattChg Owners Guide.book Page 30 Friday, July 8, 2011 11:44 AM

Installing Batteries

Two-Stage Charging

The two-stage charging mode employs the following sequence: Bulk and Absorption. It runs similar to the three-stage sequence except that there is no float stage; after the absorption stage the charger stops providing current to the battery and the charger output drops to 9 V (12 Vdc chargers) or 18V (24 Vdc chargers). In this manner, DC loads draw power supplied by batteries and the charger enters a “rest or standby stage.” Like the three- stage sequence, the charger will restart the charging cycle in the Bulk stage if the lowest battery voltage of the three banks drops below 12.5 V (12 Vdc chargers) or 25 V (24 Vdc chargers) for 15 minutes. After seven days, the charger will automatically restart charging in order to refresh the batteries.

 

Vbat = Vabs

lout < 10% lrating

 

 

for 1 minute

 

 

 

 

 

 

for 1 minute

 

Battery Voltage

 

 

 

 

 

 

 

 

 

Vbat = Vgas

 

 

 

 

 

 

for 1 minute

 

 

 

 

 

Vgas voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

GO TO BULK when

Charge

 

 

 

 

Vbat < 12.5 V for

 

 

 

 

15 minutes

start

 

 

 

 

 

 

 

 

 

 

BULK

 

 

ABS

ABS

REST

 

CC

 

CV

 

(Standby)

Time

ABS CV timeout

 

 

max 5 hrs

 

 

 

Start of

 

 

 

REST (Standby)

 

 

 

timeout max 7 days

charging cycle

 

 

 

Total ABS timeout

 

 

max 8 hrs

Figure 10 Two-Stage Charging Process

 

 

30

 

 

Truecharge2 Series Battery Charger Owner’s Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents Series Battery Charger Page Exclusion for Documentation TrademarksProduct Numbers Date and RevisionAbout This Guide Statement of HazardRelated Information Important Safety Instructions Electrical Shock HazardFire and Burn Hazard Explosion HazardPersonal Injury Hazard Precautions When Working With Batteries Precautions When Placing the Battery Charger Risk of Damage to the Battery ChargerExposure to Chemicals and Gases Hazard FCC Information to the User ViiiContents Page Truecharge2 Battery Charger Standard and Protection FeaturesIntroduction Introduction Truecharge 2 Battery Charger Features Front PanelRear Panel Truecharge2 Series Battery Charger Owner’s GuideAC wiring compartment DescriptionOnboard Control and Status Display Panel Item DescriptionTruecharge2 Series Battery Charger Owner’s Guide Risk of Battery Damage Preparing For Installation Improper Installation by AN Unqualified InstallerTools and Materials You need the following materialsLocation Condition RequirementExplosion Hazard for IEC Models only Mounting Orientations Deck and Horizontal Wiring Requirements Electrical Shock and Fire HazardDC Wiring Wire Length Wire Size AWG and mm2Fire Hazard AWGInjury Battery Bank Size Requirements Other examples of AC wiring requirementsMounting the Battery Charger Installing the Truecharge 2 Battery ChargerInstallation Sequence To mount the Truecharge2 Battery ChargerConnecting the DC Chassis Ground Earth To connect the DC chassis ground earthInstalling DC Wiring Accidental Short or Spark HazardShock Hazard For one battery or bank For more than one battery or bankReverse Polarity Damage Installing the Truecharge 2 Battery Charger Installing AC Wiring AC wiring access holeConductor Charger Pigtail AC Supply Wire Color Code Tapered end of strain relief AC supply wiringScrew to secure the wiring compartment cover Powering Up Explosion AND/OR Fire HazardInstalling a Parallel Configuration Damage to the Battery ChargerWhen Configuring the Battery Chargers Powering up after installing a parallel configurationFault and Warning Conditions When Equalizing BatteriesInstalling Batteries Input Voltage Operating and DeratingMulti-Stage Charging AC sourceThree-Stage Charging Two-Stage Charging To force a battery detection sequence Battery QualificationTemperature Considerations Charging Voltage SetpointsSetting the Battery Temperature without a BTS Operating DC Loads Configuring the Truecharge2 Battery Charger Configuring the Charger ModeConfiguring the Battery Bank Type Mode Charger Status LED-ON Charging BatteriesTo charge your batteries Charging Batteries Equalizing Flooded Batteries EXPLOSION, FIRE, and Burn Hazards Performing An EqualizationRisk of Equipment Damage To equalize your batteriesEqualizing Flooded Batteries Transitioning the Charger to ON, Standby, or Disabled Accessing Charger Information Reading Onboard Display LEDsReporting While Charging or Equalizing Reporting Without AC Power or While on StandbyFault or Warning Solution Condition Fuse on Using a Generator As Source Power Maintaining the Charger Improper Installation by AN Unqualified Installer Replacing the DC Output FuseFuse Replacement Ratings ModelTroubleshooting Possible Cause SolutionTroubleshooting Disconnect all loads or switch loads off 975-0526-01-02 Troubleshooting Specifications Physical Specifications AC Input SpecificationsDC Output Specifications Environmental Specifications Protection Features Regulatory ApprovalsWarranty and Return Information WarrantyWarranty and Return Information Disclaimer ProductReturn Material Authorization Policy Return ProcedureOut of Warranty Service Information About Your System Page Xantrex Technology USA Inc