Xantrex Technology 815-2524-02 Connecting the Battery Temperature Sensor BTS, Mounting Options

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Installing the Inverter/Charger

Step 5: Connecting the Battery Temperature Sensor (BTS)

Installing a battery temperature sensor (BTS) extends the life of a battery by preventing overcharging in warm temperatures and undercharging in cold temperatures. With a BTS monitoring the battery temperature, the voltage delivered to the battery is adjusted according to the battery’s actual temperature.

The BTS has a self-adhesive backing and attaches to the side of the battery. A 7.6 m cable is supplied with the BTS.

Mounting Options

You can mount the BTS in one of two ways:

•Mounting the sensor to the negative battery post allows the internal battery temperature to be sensed and provides the most accurate results.

•Attaching the sensor to the side of the battery using the self- adhesive backing also provides good results in most situations.

Connector

Sensor cable

Sensor

Figure 10 BTS with Cable

EQUIPMENT DAMAGE

Use only the Freedom SW 230V-compatible Battery Temperature Sensor (BTS). To order a spare BTS, call customer service and order part number 809-0946.

Failure to follow these instructions can damage the unit and/or damage other equipment.

This guide for use by qualified personnel only.

975-0697-01-01

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Contents Freedom SW Sine Wave Inverter/Chargers Page This guide for use by qualified Purpose About This GuideElectrical Shock Hazard Important Safety InstructionsElectrical Shock and Fire Hazard Explosion Hazard Fire and Burn HazardPrecautions When Working With Batteries Risk of Damage to the INVERTER/CHARGER Exposure to Chemicals and Gases HazardLimitations on USE RegulatoryPage Contents Page This guide for use by qualified installers only Page Introduction Materials List Materials List Freedom SW 230V Installation GuideElectrical Shock and Fire Hazards Installation InformationBefore You Begin the Installation Installation CodesXanbus System About the Xanbus SystemAbout the Xanbus System Xanbus-enabled Products and AccessoriesMounting Location of the Freedom SW Planning the InstallationTwo Key Performance Factors Size and Length of DC CablesAC, DC, and Network Components Planning PreparationsPlanning Preparations Planning Preparations AC Output AC ComponentsAC Input AC Disconnect and Over-Current Protection DeviceDistribution Panels AC WiringFreedom SW ModelsFire Hazard DC ComponentsBatteries DC CablingMarine Applications1 DC Disconnects and Over-Current DevicesDC Grounding To unpack and inspect Heavy ItemMaterials Installation Tools and MaterialsTools Overview Installing the Inverter/ChargerHeat Hazard Choosing a Location for the Inverter/ChargerFire and Explosion Hazard Safe To mount the inverter/charger Mounting the Inverter/ChargerConsiderations Approved Mounting Orientation Orientation? Comment Orientation Approved Mounting Orientation? Comment This guide for use by qualified FIRE, Electrical SHOCK, and Energy Hazards Connecting the AC Input and AC Output WiresGeneral AC Wiring Considerations Correct Batter Polarity will Cause Damage to Connecting AC Input WiresInstalling the Inverter/Charger Equipment Damage Connecting the AC Output WiresTo make the AC output wiring connections Preparing the Cables Connecting the DC CablesDC Connection Precautions Recommended Cable Sizes and Lengths and Fuse SizeGuidelines for Routing the DC Cables To connect the DC cables Connecting the DC Cables to the Inverter/ChargerEquipment Damage DUE to Reverse Polarity DC Cable Connections To connect the chassis ground Mounting Options Connecting the Battery Temperature Sensor BTSTo mount the sensor on the negative battery terminal Mounting to the Negative Battery TerminalBTS port To mount the sensor on the battery case Mounting to the Side of the Battery CaseTo connect the Freedom SW 230V to the Xanbus network Connecting to the NetworkPerforming Checks Prior to Initial Start-Up Testing in Invert Mode Testing Your InstallationTo verify that the Freedom SW 230V starts charging Testing in Charge Mode and AC Bypass ModeInstallation Complete Stacking Features Parallel Stacking Connect the stacked system as follows DC Connections for Stacked InvertersNeutral Wiring for Stacked Inverters To configure the system for stacking Configuring System for Stacked OperationSetting Search Mode on the Slave Unit Search Mode Operation in Parallel StackingWiring Schematic Disabling Search Mode on the Master UnitCalculations Charger Settings in a Dual Freedom SW ConfigurationExamples To set the Max Chg Rate % setting in each Freedom SWTo set the Max Chg Rate % setting in each Freedom SW To set the Max Chg Rate % setting in each Freedom SW Freedom SW Physical Specifications Inverter/Charger Physical SpecificationsBattery Bank Sizing Battery InformationWatts = Volts × Amps Estimating Battery RequirementsCalculating Battery Size Battery AMP-HOURS Used = AC WATT-HOURS÷10Daily watt-hours needed Restrictions on Motor Size Battery BanksBattery Bank Sizing Worksheet Battery Information Battery Sizing Worksheet Battery Series Connection Battery Cabling and Hook-up ConfigurationsBattery Series-Parallel Connections Environmental Specifications SpecificationsInverter Specifications Charger Specifications Transfer and General Specifications Shock Hazard Inverter Drip Shield InstallationTo install the drip shield Drip Shield Placement Desktop Mount 20 mm No clearance required here Page Page Schneider Electric Solar Inverters USA Inc