Thomas & Betts 15D User's Manual
Contents
1. i E LJ i tomauee Remote Control Panel Advanced Remote Control Panels Link Instrument Advanced remote control panels are also available the Link 1000 2000 and 2000R LINK 1000 Link 1000 controls the Freedom Inverter Charger and provides complete battery state of charge information including DC voltage current Amp hours consumed Time Remaining and historical data for a single battery bank LINK 1000 10 LINK 2000 The Link 2000 has the same features as the Link 1000 providing inverter charger control and complete battery state of charge information It monitors two battery banks LINK 2000 LINK 2000R The Link 2000R adds the ability to regulate an engine driven alternator The precision regulator in the LINK 2000R allows the alternator to be controlled as a 3 stage battery charging system If Link Instrument is used to control the inverter charger refer to the Link Owner s Manual for setup and control information Refer to the Remote Control Panel or LINK Owner s Manual for installation and operation instructions The jumper is not installed in the AUX Switch Port on the front panel of the inverter when the Remote Control Panel or Link Instrument is used See page 23 for more details Part No 90 0123 00 Libertycombi p65 10 26 98 BATTERY TYPES Use only deep cycle batteries with your Freedom Inverter Charger These fall into three broad categories wet cell2. Stack up as shown 28 For Freedom 15 amp 15D 200 Amp Fuse amp Holder PN 84 4155 00 C R 200 Amp Fuse amp Holder PN 84 4158 00 R R 200 Amp Fuse Only PN 84 4157 00 For Freedom 20 amp 20D 300 Amp Fuse amp Holder PN 84 4156 00 C R 300 Amp Fuse amp Holder PN 84 4154 00 R R 300 Amp Fuse Only PN 84 4151 00 Compression Ring Terminal Ring Ring Terminal EXPLODED VIEW OF FUSE ASSEMBLY RING RING TERMINAL QD nut LOCK WASHER FLAT WASHER UC OL BATTERY CABLE INVERTER CABLE LP FUSE FUSE HOLDER Part No 90 0123 00 Libertycombi p65 10 26 98 Follow these instructions to insure proper start up and confirm that the installation is correct 1 Check to make sure Invert and Charge are OFF The INVERT LED should not be illuminated the CHARGE LED should be blinking charger ready but no external AC power available If using a Remote Control Panel or a Link Instrument make sure inverter and charger are OFF 2 Check battery polarity If the unit was connected to the battery with reverse polarity the unit will be damaged 3 Check the battery voltage and ensure itis within proper range for the unit 10 15 5 VDC 4 Install the jumper in the Auxiliary Switch port AUX SWITCH if using the in verter without remote If operating the inverter with a remote the jumper should not be used Do not apply shore power or generator power wi
3. and its use is recommended Receptacle Type Pass amp Seymour Catalog Number 1591 Rated 15 Amps at 120 Volts AC Remote Control Wiring If installing a remote panel route the remote cable and connect to the Remote jack on the front of the unit Refer to the Remote Control Panel or Link Owner s Manual for more information TSC Temperature Sensor If installing the TSC Temperature Sensitive Charging sensor connect the ring terminal end to the positive battery post complete the routing of the RJ11 cable 15 feet supplied and connect the plug end to the TSC jack on the front of the unit TSC Jack RJ11 Cable Battery Freedom 20D shown DC Wiring DC wiring is generally very simple the positive may be red for identification and negative may be black or yellow for identification cables from the inverter charger terminal posts are connected to the house or auxiliary battery Connection to the engine starter battery is not recommended High current will pass through the DC wiring All wires must be properly sized and all connections clean and tight It is recommended that the battery cable length does not exceed 10 feet Battery cables should be connected to the inverter charger before any connections are made to the battery Follow the battery hardware stackup diagram Remove the negative battery cable cover from the unit and attach the battery cable Tighten the battery terminal bolts to a t
4. gel cell and Advanced AGM Absorbed Glass Mat batteries Wet Cell Batteries True deep cycle wet cell batteries are characterized by relatively thick internal plates that are alloyed with antimony Common 12 volt marine RV deep cycle batteries are acceptable Golf cart batteries perform well and may have a longer life These 6 volt batteries must be used in series connected in pairs High quality deep cycle batteries offer good performance and are available in a wide variety of sizes Part No 90 0123 00 Libertycombi p65 10 26 98 BATTERIES Wet cell batteries will give off gas as a natural result of charging and will experience some water loss It is very important that the electrolyte level be checked frequently and topped off with distilled water when necessary Follow the battery manufacturer s recommendations for maintenance Never allow the top of the battery plates to be exposed to air as contamination of the cell will result Keep the top of batteries clean Always provide adequate ventilation for the battery storage compartment Do not use ordinary car batteries or engine starting batteries with your inverter charger Beware of any battery that is rated in Cold Cranking Amps CCA This is a rating which applies only to engine starting batteries In general most wet cell batteries that are described as hybrid type batteries suitable for either engine starting or deep cycle applications are a compromise and w
5. the battery bank AGM Absorbed Glass Mat Battery A lead acid maintenance free battery AWG American Wire Gauge A standard used to measure the size of wire Circuit An electric circuit is the path of an electric current A closed circuit has a complete path An open circuit has a broken or disconnected path Circuit Series A circuit which has only one path for the current to flow Batteries arranged in series are connected with the negative of the Part No 90 0123 00 Libertycombi p65 10 26 98 GLOSSARY first to the positive of the second negative of the second to the positive of the third etc If two 6 Volt batteries of 50 ampere hours capacity are connected in series the circuit voltage is equal to the sum of the two battery voltages or 12 Volts and the ampere hour capacity of the combination is 50 ampere hours Circuit Parallel A circuit which provides more than one path for current flow A parallel arrangement of batteries of like voltage and capacity would have all positive terminals connected to a conductor and all negative terminals connected to another conductor If two 12 Volt batteries of 50 ampere hour capacity each are connected in parallel the circuit voltage is 12 Volts and the ampere hour capacity of the combination is 100 ampere hours Combi Freedom Combi is a trademark of Heart Interface to indicate a combination inverter charger Current The rate of flow of electricity or the movem
6. WH The unit for measuring electrical energy which equals Watts x Hours Wet Cell Battery A type of battery that uses liquid as an electrolyte The wet cell battery requires periodic maintenance cleaning the connections checking the electrolyte level and performing an equalization cycle Part No 90 0123 00 Libertycombi p65 10 26 98 Model Part Number Nominal Battery Voltage Battery Voltage Range Low Battery Cutout AC Input Voltage Range Frequency Regulation Inverter Output Power Continuous Inverter Voltage Regulation Wave Shape Surge Power No Load Current Drain Idle Mode Power Factors Allowed Full Load Efficiency Peak Efficiency Protection Charging Rate AC Input Max Charge Mode Bulk Charge Voltage Float Charge Voltage Equalizing Charge Voltage Status Panel Weight Dimensions Dual AC Output SPECIFICATIONS 15 and 15D 458 Series 20 and 20D 458 Series 81 1510 12 and 81 1520 12 81 2010 12 and 81 2020 12 12 VDC 12 VDC 10 0 15 5 VDC 4 0 2 10 0 15 5 VDC 4 0 2 10 0 VDC 0 5 10 0 VDC 0 5 Minimum 90 VAC Minimum 90 VAC Normal 130 VAG Normal 130 VAC 50 or 60 Hz Quartz Regulated 50 or 60 Hz Quartz Regulated 1500 VA 2000 VA 120V 5 True RMS 120V 5 True RMS Modified Sine Wave Modified Sine Wave 55 Amps 70 Amps 12 Amp 12 Amp 86 60 Hz 85 60 Hz Over Under Utility Voltage Over Under Over Under Utility Voltage Over Under Battery Voltage Sh
7. a power loop which due to inefficiencies will quickly drain the batteries 13 An Auxiliary Switch port is located on the front panel of the unit covered by a flap When installing the unit for operation without a Remote Control Panel or Link Instrument a jumper must be installed in the Aux Switch port The jumper is shipped in a plastic bag with other installation parts DO NOT install the jumper until all cable connections have been made When using a Remote Control Panel or Link Instrument the jumper is not used Auxiliary Switch Port in Actual size 3 8 L x 3 16 W Freedom 20D 23 INSTALLATION Grounding For safety purposes the chassis of the inverter charger must be connected to your AC ground system Use 8 AWG bare copper or green insulated wire strip one end and use a screwdriver to secure it to the chassis ground bonding lug on the side of the unit This wire will connect to the ground in your AC electrical system Make sure the connection is clean and tight The system AC ground bonding terminal is located on the front of the unit under the wiring cover at the bottom of the unit This connector is for the bare copper or green ground wires from the AC branch circuit supply and to the AC loads or distribution panel It is important that these AC input and AC output ground wires connect to the AC ground bus in the circuit breaker panels Some installations require heavier grounding wire Conform to lo
8. and AGM deep cycle batteries Battery type selection is made on the front panel of the inverter charger or through the Remote Control Panel or a Link Instrumentation For more information on battery type selection see page 7 or refer to the Remote Control Panel manual BATTERY CHARGING Benefits of the Freedom Charger vs the traditional taper charger mSmm Bulk Charge Constant Current Acceptance Charge Constant Voltage Finish Float Charge Equalizing 100 Amp Taper Charger Wet Cell Settings Quicker more complete recharging safe long term charging and battery rejuvenation through an equalizing charge wet cell settings NOTE Freedom battery chargers are ON whenever AC power is connected to the charger input The charger can be turned OFF using the CHARGE switch on the front of the unit This sequence will occur each time external AC power is available The charger can be turned ON OFF using the Remote Control Panel or Link Instrumentation Each time the battery charger is engaged the 3 stage charger proceeds automatically resulting in an efficient complete charge and safe battery maintenance Use of the Remote Control Panel or Link Instrument provides the ability to periodically apply an equalizing charge Refer to Remote Control Panel or the Link Instrument Owner s Manual for more information 16 The battery charger stages are Stage 1 Bulk Charge During the bulk cha
9. are blinking an AC Overtemp backfeed has been detected A backfeed Low Remote TSC Auxiliary Port occurs when AC power from an external Battery source is connected to the output of the inverter Inspect wiring for possible input output wiring error This condition will damage the unit and must be corrected before further operation TSC Temperature Sensitive Charging This provides for the connection of a sensor to measure battery temperature for ew compensated charging If no sensor is connected the charge voltage levels are set to Freedom 20D defaults based on battery type OPTIONAL REMOTES If using one of the remotes refer to the installation instructions included with the remote Note When a Remote Control Panel or Link is installed the jumper included in the parts plastic bag is not used in the Auxiliary Switch Port AUX SWITCH on the front panel of the inverter charger See page 23 for more details Part No 90 0123 00 Libertycombi p65 10 26 98 OPTIONAL REMOTE CONTROL PANELS Remote Control Panel An optional remote control panel is available The LED bargraphs on the remote control panel shows battery voltage and DC current in both inverter and charger modes Easy to see red yellow and green LEDs show the battery state of charge Power Sharing charger ON OFF inverter ON OFF controls are provided Set up features include selection of Idle Threshold Battery Type and Battery Capacity bes i
10. battery and cables against a short circuit The inverter is protected internally and will not blow a properly sized fuse 8 Do not connect the battery until you have read the remainder of the installation section Observe proper polarity when connecting batteries Reverse DC polarity will result in damage to the unit and will void the warranty Use care when making the DC connections WARNING The Freedom Series is not DC reverse polarity protected Be very careful to connect the negative and positive cables correctly otherwise damage will result and the warranty will be void Part No 90 0123 00 Libertycombi p65 10 26 98 9 Do not back feed the AC output of the inverter with incoming AC power A back feed occurs when AC power from shore power or generator is connected to the output of the inverter This will damage the inverter and void the warranty Remember that incoming AC must be fed only to the AC input and never the AC output Always check for AC voltage before connecting wires to the AC output Do NOT turn the inverter ON until all AC connections have been made Back feeding the inverter voids the warranty WARNING Do not connect incoming AC from any source to the AC output of the inverter This is known as back feeding and will damage the unit and void the warranty 10 Do not connect the AC input to the AC output This would be equivalent to plugging the battery charger into the inverter This c
11. is being supplied AGM co NOTE When AC power is available the default setting for the charger is ON If the unit was manually turned OFF and AC power is in terrupted and becomes available again the charger will return to ON LOW BATTERY Red LED e When the LED is OFF the battery voltage is normal between 10 5 and 15 0 volts DC When the LED is solid red it indicates a battery warning condition the battery voltage is below 10 5 volts DC or above 15 0 volts DC When the LED is blinking slowly 1 time per second a battery shutdown has occurred The voltage is either below 10 0 volts DC or above 15 5 volts DC When the LED is blinking rapidly 5 times per second a potential problem in the DC system has been detected Check your batteries battery cables and DC loads OVERTEMP OVERLOAD Red LED e When the LED is Off operation is normal When the LED is red there is an over temp or overload condition Check for excessive loads or short circuit on the output of the inverter Correct the condition and restart by pushing the INVERT switch When the LED is blinking slowly 1 time per second an over current condition or a short circuit has occured The system has shut OFF and will not automatically restart Correct the fault condition and manually restart the system Part No 90 0123 00 Libertycombi p65 10 26 98 OPERATION LOW BATTERY amp OVERTEMP OVERLOAD Red LEDs When both LEDs
12. one or two AC outputs within the AC wiring compartment The labeling for the pigtails is on the front of the unit and is visible when the cover plate is removed Note Green wires are connected to the AC Ground Strip Black minana Hot or Line RV MEDIE E Neutral Conventional metal strain reliefs are provided These can be replaced with plastic strain reliefs for additional corrosion resistance or 3 4 inch conduit fittings if the wiring will be routed through a conduit Appropriate wire gauges must be used throughout the installation Refer to NEC specifications AC Input All inputs from other AC sources must be protected by branch circuit rated circuit breakers In the United States no additional circuit breakers are required between the inverter charger and the loads if the service to the inverter charger is protected by a 20 ampere branch circuit rated breaker This also applies to Dual Input models where the inputs may be 20 amperes each In Canada 15 ampere branch circuit s maximum shall provide the service If a 30 ampere service supplies the inverter charger additional 20 ampere 15 ampere in Canada maximum branch circuit Part No 90 0123 00 Libertycombi p65 10 26 98 INSTALLATION rated circuit breakers will be required between the inverter charger and the loads Feed one or two 3 conductor AC input wire s through the strain relief and into the AC wiring compartment Allow 6 inches of individual i
13. push button switch is located on the front of the unit and has two functions Turn the inverter ON OFF and reset after a fault condition Pressing the INVERT switch turns the inverter ON The green INVERT LED will be ON when the inverter is inverting When the inverter is ON pressing the INVERT switch turns the inverter OFF Freedom 20D Dual Output Part No 90 0123 00 Libertycombi p65 10 26 98 OPERATION Battery type setup To enter the battery type select mode press and hold the INVERT switch for five seconds The status LEDs will change from indicating status information to indicating battery type The selection of the battery type is made with the Charge switch Turning the INVERT OFF will reduce battery power consumption to a very low level This is recommended if the unit will not be used for an extended period of time CHARGE MODE The CHARGE push button switch has two functions Turn the charger ON and OFF If external AC is present pressing the CHARGE switch will turn the charger ON The green CHARGE LED will be ON when the charger is charging When the charger is ON pressing this switch will turn the charger OFF Select the battery type After holding the INVERT switch for 5 seconds press the CHARGE switch to select the battery type One of the four LEDs will rapidly blink indicating the present battery type setting Press the CHARGE switch again to change the battery type Continue to press until t
14. same AWG or larger as those connected to the inverter charger NOTE If installing in a vehicle do not use the vehicle frame as the negative conductor Cover on Freedom 15D Part No 90 0123 00 Libertycombi p65 10 26 98 POSITIVE Battery Cable INSTALLATION If multiple battery banks are to be charged a battery bank selector switch can be installed allowing the banks to be charged either individually or simultaneously A solenoid can also be used The PathMaker Battery Combiner by Heart Interface may be used to connect multiple battery banks The PathMaker battery combiner is available from your Heart dealer PathMaker 100 2 Channel PathMaker Models 70 Amp 2 Channel 100 Amp 2 Channel 100 Amp 3 Channel 200 Amp 2 Channel 200 Amp 3 Channel NEGATIVE Battery Cable Cover on 27 INSTALLATION Battery Cable Fusing A fuse is required by the NEC to protect the battery and cables A UL Listed DC rated slow blow fuse must be installed in the positive battery cable within 18 inches of the battery Recommended Fuse UL Listed Class T JLLN with a DC Rating This fuse with fuse holder is available from your dealer or Heart Interface COMPRESSION RING TERMINAL CO OD nut LOCK WASHER FLAT WASHER BATTERY INVERTER CABLE CABLE ad FUSE FUSE HOLDER WARNING Improper stack up of hardware will cause excessive heat and fuse failure
15. sized wire and terminals for your interconnecting battery cables For size information refer to NEC requirements or contact your local electrician BATTERY BANK RATINGS AND SIZING Deep cycle batteries are usually rated in Amp hours The Amp hour rating is based on a 20 hour discharge rate therefore a 100 Amp hour battery can deliver 5 Amps for 20 hours If the discharge rate is greater than 5 Amps the available Amp hours are de creased For example if the load is increased to 100 Amps only about 45 Amp hours will be available at this rate of discharge Deep cycle batteries can be discharged about 8096 of capacity before damage occurs Shallow cycling will result in much longer battery life Calculating a battery bank size based on 50 discharge cycling is generally considered to be a good compromise between long battery life and size BATTERIES To achieve 50 cycling you should calculate your Amp hour consumption between charging cycles and use a battery bank with twice that capacity Each AC appliance or tool has a rating plate on it and will be rated in either AC Amps or Watts or AC VA Volt Amps apparent power To calculate Amp hour consumption use one of the formulas to the right to calculate the DC Amp hour draw for a 12 volt system Calculate the Amp hours for every AC appliance or tool that will be operated on the inverter This will provide the total number of Amp hours used between recharges Size the batter
16. the cooling fan Do not block any of the vents or louvers The thermostat controlled fan pulls air from outside the unit It pulls air across the internal components particularly the trans former and heat sinks then out the fan vent 3 Keep the inverter charger out of the elements and out of direct contact with water or spray Failure to do so may result in premature malfunction from corrosion and void the warranty 4 Mount the unit as close to the batteries as possible but not in the presence of flammable fumes or in an enclosed battery compartment WARNING Do not mount the unit in an enclosed battery compartment Take precautions to keep dirt and spray off the unit 22 5 Keep the overall length of each battery cable less than 10 feet Do not use frame ground or a ground bonding system as a current carrying conductor Run the negative cable directly to the battery bank If the positive and negative cables run parallel to each other twist the cables together This will minimize the inductive adverse effects of cable length Be sure the cable size meets with NEC requirements for your installation 6 Make sure all wiring conforms to local and national electrical codes If in doubt consult with a qualified electrician 7 To meet electrical codes a UL Listed DC Rated slow blow fuse must be installed in the positive battery cable within 18 inches of the battery post This fuse is intended to protect the
17. Cooling Freedom Inverter Chargers are equipped with a thermostatically controlled fan that cools the unit so it can operate continually at its rated output Inverter Idle Circuit This automatic energy saving feature reduces battery power consumption when no AC load is present Response from idle is instantaneous In most cases the operation of the idle circuit is not noticeable Use of the Remote Control Panel or Link Instrumentation allows the idle threshold to be adjusted The unit does not put out 120 volts when in idle To bring the unit out of the idle condition apply a load Low and High Battery Shutdown When in inverter mode if the battery voltage drops to 10 0 volts the inverter will automatically shut off Charge the batteries to 13 5 volts to automatically resume operation Voltage shut down also occurs for a high battery condition at 15 5 volts Operation will resume automatically when the battery voltage drops below 15 5 volts Check all DC sources on the system for the reason for the excessive voltage Power Sharing When connected to an external AC source the battery charger and transfer functions are engaged A unique Power Sharing feature automatically reduces the AC power consumption of the battery charger allowing necessary AC power to go to the load This prevents the source AC INPUT circuit breaker from tripping within the specified rating of the AC circuit breaker The Power Sharing set point of each u
18. E SETTINGS 3 m se mo vor oe wos we vos ma or o a we wo wo os wo or we oe T There are two gel battery settings Check with the battery manufacturer to determine the proper setting for your batteries Usually Gel 1 is for long battery life Gel 2 is for rapid charging Default setting when the temperature sensor is not connected 20 Part No 90 0123 00 Libertycombi p65 10 26 98 INSTALLATION PRECAUTIONS CAUTION This equipment is not ignition protected and employs components that can produce arcs or sparks To reduce the risk of fire or explosions do not install in unvented compartments containing batteries or flammable gasses or areas in which ignition protected equipment is required WARNING For continued protection against risk of electric shock use only the ground fault circuit interrupter GFCI type receptacles detailed in this manual Other types may fail to operate properly when connected to this inverter resulting in a potential shock hazard CAUTION To reduce the risk of electric shock and prevent premature failure due to corrosion do not mount where exposed to rain dripping or spray CAUTION To reduce the risk of fire do not obstruct ventilation openings Do not mount in a zero clearance compartment overheating may result CAUTION Risk of electrical shock Both AC amp DC voltage sources are terminated inside this equipment Before servicing disconnect all inputs a
19. FREEDOM 458 Series COMBI INVERTER CHARGER MODEL 15 Part No 81 1510 12 MODEL 15D Part No 81 1520 12 MODEL 20 Part No 81 2010 12 MODEL 20D Part No 81 2020 12 D LISTED LISTED INFORMATION IN THIS MANUAL IS SUBJECT TO CHANGE WITHOUT NOTICE 6 heart interface A Valley Forge Company Part No 90 0123 00 Libertycombi p65 10 26 98 Thank you for purchasing a Heart Interface Freedom 458 Series Combi Inverter Charger Heart Interface takes pride in manufacturing quality products specifically designed to meet your power requirements Freedom Combi Inverter Chargers provide silent efficient and reliable AC power for a variety of applications They feature hands free operation automatic 3 stage battery charging and automatic AC transfer switching For your convenience service is available world wide by qualified service centers If you have any questions about your Freedom Combi please contact Heart Interface toll free 800 446 6180 For technical support and additional information about Heart Interface products visit our web site at www heartinterface com or send us e mail techhelp heartinterface com sales heartinterface com SAFETY SUMMARY Safety information for installation and Fuse Replacement For continued protection operation is contained throughout this against the possibility of fire replace the fuse manual where it applies and is not included only with a fuse of the specified voltage in this sum
20. ance this is a necessary part of the charging process NOTE The acceptance stage timer is not used when Link Instruments control the charger Refer to the Link Owner s Manual Stage 3 Float Charge When the acceptance stage is terminated either because the charge current ramped down to the transition point or the timer engaged the charge current will shut off The unit monitors the battery voltage while it drifts down from the acceptance charge voltage limit When it reaches the float voltage set point the float charge stage is engaged Part No 90 0123 00 Libertycombi p65 10 26 98 The float charge stage holds the battery voltage constant at a preset lower level where it is safe for long term battery maintenance During the float charge stage the full output current of the battery charger is available to operate any DC appliances that may be on the system while constantly maintaining the float charge voltage The battery charger remains in the float charge stage indefinitely until the charger is disconnected from incoming AC power or turned OFF on the unit or with the Remote Control Panel or Link Instrumentation Stage 4 Equalizing Charge This is the only battery charger stage which is not engaged automatically It must be manually initiated each time Applying an equalizing charge is possible only with a Remote Control Panel or Link Instrument Periodic equalizing is recommended by most wet cell deep cycle batter
21. arger ready but no Warning Battery voltage external AC available Battery less than 10 or more than Voltage Warning 15 volts 10V lt VDC gt 15V Solid Green Blinking Green Solid Red Inverting Charger ready but no Warning Inverter shutdown external AC available Over temperature Warning Blinking Green Slow Blinking Battery Voltage shutdown Inverter Shutdown 10V VDC gt 15V Operation will resume when battery reaches 13 5 volts Blinking Green Slow Blinking Charger ready but no external Operation will automatically Red AC power available Charger resume after unit has over temperature Shutdown cooled down Blinking Green Fast Blinking Inverter Overload Shutdown Reduce AC load Manually Red restart the system Blinking Green Fast Blinking Fast Blinking Backfeed Shutdown Incorrect Correct AC in wiring before Red AC wiring use Manually restart the system Red Could be either ON or OFF status 31 Part No 90 0123 00 Libertycombi p65 10 26 98 TROUBLESHOOTING 1 Battery voltage under load below 10 volts Charge batteries 2 Loose battery connections open battery switch or blown DC fuse Tighten connections or replace fuse 3 Tripped circuit breaker on front panel Push in to reset breaker 4 Thermal condition excessive loads or inadequate ventilation caused overheating Allow to cool Ventilate the compartment 5 Overloads or short circuit check for excessive loads or shorted wiring Disconnect loa
22. bi p65 10 26 98
23. cal and national electrical codes More information on grounding can be found in the National Electrical Code and local electrical codes Freedom 20D Ground Lug 24 Note The battery cables are not connected to the AC ground strip or to the chassis lug of the unit Neutral Bonding For safety purposes and NEC code requirements the Freedom Combi unit internally bonds the AC output neutral white to the AC output ground green when the unit is OFF or in the inverter mode When incoming AC power is applied and the transfer switch is engaged the internal neutral to ground bond is automatically lifted When external AC power is applied the grounding system is connected to the source power ground where neutral and earth ground are bonded together This technique insures safety in all conditions and conforms to the requirements of the NEC WARNING Do not connect incoming AC from any source to the AC output of the inverter charger This is known as back feeding and will damage the unit and void the warranty The Over Temp Overload and Low Battery LEDs will be blinking rapidly if this condition exists Part No 90 0123 00 Libertycombi p65 10 26 98 AC Wiring The AC wires route through the strain relief mounted in holes on the front of the unit Use a screwdriver to remove the screws which secure the AC wiring compartment cover plate Depending upon which model you have there can be one or two AC inputs and
24. dfied sinewave An idle mode reduces battery power consumption when loads are removed from the inverter There is a low battery cutout protection circuit and momentary surge power of more than twice the inverter rating for starting electric motors High efficiency insures the longest possible battery life between charges The internal transfer switch allows the Freedom Inverter Charger to be connected to an external AC source and transfer the source Freedom 20D power through directly to the loads When the external AC power source is disconnected the transfer switch allows automatic switching back to the inverter The Freedom Inverter Charger operates as a self contained backup power system just add batteries Freedom battery chargers are electronically controlled and rated at a maximum output current Freedom 15 amp 15D Freedom 20 amp 20D 75 Amps DC 100 Amps DC They are designed to rapidly and optimally charge wet gel or Absorbed Glass Mat AGM cell deep cycle batteries Battery charging is automatically accomplished in 3 stages Bulk Charge Acceptance Charge and Float Charge Using a Remote Control Panel or Link Instrumentation a manually engaged Equalizing Charge cycle is possible Simple automatic operation is made possible by the microprocessor in the Freedom Inverter Charger In most cases no attention or maintenance is required Electronic Protection Fast acting electronic circuits prot
25. ds 6 Check the position of the jumper in the Auxiliary Switch Port Install jumper when operating unit without a remote No Inverter Output Confirm that your volt meter is a True RMS meter Standard volt meters will not accurately read the waveform of the inverter and may read anywhere from 90 to 120 volts If a True RMS meter is not available check the brightness of an incandescent light bulb if it appears normal the output voltage is properly regulated Low Inverter Output Voltage 1 Wiring check both the AC and DC connections 2 AC input voltage low voltage input will result in low DC output Little or No Output current Expect reduced charger output from generators under 3 500 from Battery watts Charger 3 Check power share setting if using a remote panel 4 Check the position of the jumper in the Auxiliary Switch Port if not using a remote panel 1 Microwave ovens will normally cook slower on inverter power because the modified sine wave output has a slightly low peak AC Microwave Oven voltage Cooking Slow 2 Cooking speed will be determined by battery voltage Low voltage results in increased cooking time Support the battery bank with an alternator or other charging source for quicker cooking 1 Digital clocks either employ an internal time base or derive their time base from the incoming AC waveform The inverter frequency is well regulated at 60 Hz The clock either counts the number of peaks in the waveform
26. e into layers of acid and water The vigorous bubbling action of the battery during equalizing serves to physically mix the electrolyte Refer to the Remote Control Panel and Link Owner s Manuals for additional cautions on equalizing Note Do not equalize gel cell batteries 18 Part No 90 0123 00 Libertycombi p65 10 26 98 BATTERY CHARGING WARNINGS 1 Do not equalize gel cell batteries Check remote default settings 2 Always monitor the equalize charge cycle Provide proper ventilation for battery fumes Do not allow any sparks during equalizing If one or more cells begin to overflow terminate the equalize cycle 3 Check the battery electrolyte both before and after the equalizing charge Do not expose the battery plates to air Leave the battery caps on while equalizing Top off after equalizing 4 Remove all loads from the DC system before equalizing Some DC loads may not tolerate the high charge voltage 5 With the Remote Control Panel the battery state of charge LEDs sequence during equalizing When the equalization cycle is complete the charge automati cally goes to float and the green float LED battery status light is on With Link Instrumentation the red charge LED flashes during the equalizing cycle When the equalization cycle is complete the charger automatically goes to float and the green float LED is illuminated Part No 90 0123 00 Libertycombi p65 10 26 98 BATTERY CHARGER VOLTAG
27. ect the inverter from overloads and short circuits Other protection includes a low and high battery voltage cutoff and automatic shutdown if an over temperature condition occurs When the fault condition is corrected the unit will automatically reset Example remove overload charge batteries or allow to cool Battery type selection is set on the front of the unit or with an optional remote Remote Control Panel or Link Instrument Part No 90 0123 00 Libertycombi p65 10 26 98 THINGS YOU SHOULD KNOW Circuit Breaker Protection The Freedom Inverter Charger is supplemental breaker protected The INVERT CHARGE breaker on the front of the unit protects against sustained inverter charger over current conditions The 30 Ampere AC INPUT circuit breaker protects the incoming AC circuit The incoming AC circuit provides power to the battery charger and its power is transfered to the loads connected to the inverter AC output These breakers are reset by pushing the button back in The output circuit breakers protect the output AC circuits Models are available with one or two outputs Note The integral circuit breakers provided for AC outputs 1 and 2 are not suitable for branch circuit protection To comply with NEC additional branch circuit rated breakers should be used to power the loads Circuit Breaker Protection INPUT INVCHG OUT OUT2 20 N A Part No 90 0123 00 Libertycombi p65 10 26 98 Thermostat Controlled
28. ent rate of electrons along a conductor It is comparable to the flow of a stream of water The unit of measure for current is ampere Cycle In a battery one discharge plus one recharge equals one cycle Direct Current DC Current that flows continuously in one direction such as that from batteries photovoltaics alternators chargers and DC generators 33 GLOSSARY Equalize Charge A controlled overcharge of the batteries which brings all cells up to the same voltage potential extends the battery life restores capacity and mixes the electrolyte This can only be done using the Freedom Remote Control Panel or a Link Instrument Gel Cell Battery A type of battery that uses a gelled electrolyte solution These batteries are sealed and are virtually maintenance free Not all sealed batteries are the gel cell type GFCI Ground Fault Circuit Interrupter A protective device that rapidly de energizes a circuit when current to ground exceeds a predetermined value Ground The reference potential of a circuit In automotive use the result of attaching one battery cable to the body or frame which is used as a path for completing a circuit in lieu of a direct wire from a component This method is not suitable for connecting the negative cable of the inverter to ground Instead route the cable directly to the negative terminal of the battery LED Light Emitting Diode Indicator light LINK Instrument These panels monitor sing
29. f the battery bank For instance two 6 volt batteries connected in series will produce 12 volts The Amp hour capacity of the battery bank will be the same as each individual battery Example two 6 volt 220 Amp hour batteries in series will produce one 12 volt 220 Amp hour battery bank Series Series Increase Voltage 12V INVERTER EACH BATTERY TOTAL BATTERY CAPACITY BANK CAPACITY 220 220 AMP HOURS AMP HOURS 6 VDC 12 VDC Part No 90 0123 00 Libertycombi p65 10 26 98 Parallel Connecting two batteries in parallel will double the Amp hour rating of the battery bank while the voltage will be the same as each individual battery Example two 12 volt 105 Amp hour batteries in parallel will produce one 12 volt 210 Amp hour battery bank EACH BATTERY TOTAL BATTERY CAPACITY BANK CAPACITY 105 210 AMP HOURS AMP HOURS 12 VDC 12 VDC Only similar batteries should be connected together in one bank Do not connect old and new batteries together or wet and gel cell batteries together In the above drawing the load is connected to the positive terminal of the first battery and the negative terminal of the last battery This practice helps to balance the battery bank and is called cross connecting the battery bank Part No 90 0123 00 Libertycombi p65 10 26 98 BATTERIES Note It is not advisable to connect batteries of different case sizes or Amp hour ratings in the same battery bank Always use properly
30. he desired battery type is selected If the CHARGE switch is not pressed for 5 seconds the unit will return to normal operation and the battery type selection will have been made When the 12 volt input to the unit is disconnected the battery type setting is stored in non volatile memory When the unit is reconnected the battery type selection conveniently returns to the setting OPERATION STATUS LEDs Each Status LED performs two functions providing battery type selection and operation status Status LEDs INVERT CHARGE i REMOTE TSC OVI ERTEMP OVERLOAD AGM LOW BATTERY GEL2 CHARGE GEL1 INVERT WET Battery Type Selection After holding the INVERT button down for 5 seconds use the CHARGE button to select battery type WET GEL1 GEL 2 Operation Status INVERT Green LED When the LED is solid green the unit is in invert mode This occurs by pressing the INVERT switch When the LED is blinking slowly 1 time per second the inverter is in standby with AC power applied and the transfer switch engaged When the LED is OFF the inverter is OFF CHARGE Green LED When the LED is solid green the unit is in the charge mode and external AC power is being supplied When the LED is blinking slowly 1 time per second the charger is ready but external AC power is not available When the LED is OFF the charger has been manually turned OFF This can only be accomplished while AC power
31. he CHARGE switch OFF if you do not want to charge Verify the charger is working by using a volt meter The battery voltage should gradually increase If using a Remote Control Panel the DC Amps LED indicates the current the charger is putting out and the DC Volts LED indicates an increase in battery voltage 30 e Turn the INVERT ON the green LED should blink Remove shore power and the inverter should automatically pick up the AC load when shore power is removed NOTE For low power system shut down mode both the INVERT and CHARGE LEDs must be OFF Repeat the test for transfer and battery charger with the generator if you have one Congratulations you have completed a successful installation Freedom 20D Part No 90 0123 00 Libertycombi p65 10 26 98 TROUBLESHOOTING LED STATUS LED Status Operation Status INVERT CHARGE LOW BATTERY OVERTEMP OVERLOAD Solid Green Blinking Green OFF OFF Inverting Charger ready but no Normal external AC available Blinking Solid Green OFF OFF Inverter is in standby Normal charging current Green Battery is being charged limited if AC load exceeds Power Sharing setting Blinking Inverter is in istandby Iff AC power is removed Green Charger manually turned off and reapplied the charger will automatically turn ON Solid Green Pp Inverter OFF Charging Reset the inverter by pushing INVERT button LED should blink Solid Green Blinking Green Solid Red Inverting Ch
32. hore power has been applied to the unit there will be approximately an 8 second delay Then the unit should transfer shore power and power the load If this does not happen do not proceed If the LOW BATTERY and OVERLOAD OVERTEMP LEDs are blink ing rapidly or if you are using a Remote Control Panel or Link Instrument check the panel for back feed indication The panel will show an overload condition Eliminate the back feed condition Freedom 15D 29 INSTALLATION e Testing for backfeed If a backfeed condition is indicated disconnect from shore power and disconnect the AC output wires on the inverter Make sure the inverter is OFF Apply shore power and measure for voltage between the black and white wires that were attached to the inverter output feeding the electrical panel or loads not the inverter output wires If there is voltage on these wires a back feed condition exists and must be corrected or damage will result 3 Test the battery charger function With shore power applied and the transfer switch engaged the battery charger should be in operation The CHARGE LED will blink for 8 seconds After the 8 seconds the unit will enter the charge mode and the LED will be illuminated NOTE When using Temperature Sensitive Charging this time may be longer NOTE When AC is available the unit will automatically default to charge mode without the operator setting the unit in CHARGE mode It is necessary to press t
33. ill have limited life if deeply discharged BATTERIES Beware of so called maintenance free batteries These batteries have calcium alloyed with the lead and hold the liquid electrolyte in a sponge like material They are sealed and water can not be added Do not confuse them with true gel cell or AGM batteries they will not hold up well to deep discharging and repeated cycling Gel Cell Batteries Gel cell batteries are lead acid batteries similar in many ways to the common wet cell battery but differences in the chemistry and construction provide some unique features No Maintenance Low Self Discharge Rate Low Internal Resistance Even though gel cells are sealed batteries the battery compartment should still be ventilated Advanced AGM Absorbed Glass Mat Batteries This battery is lead acid but maintenance free The performance is similar to gel cell batteries The charge parameters are similar to wet cell batteries Battery Selection The most important feature to consider in making your battery selection is to select true deep cycle batteries rated in Amp hours AH and sized to match your power requirements BATTERY INTERCONNECTION In most cases you will be using a bank of two or more batteries with your inverter charger You may connect batteries together in two configurations series and parallel depending on their voltage 12 Series Connecting two batteries in series will double the voltage o
34. le and dual battery banks Some models provide remote management of Freedom Inverter Chargers Available in 4 models LINK 10 LINK 20 LINK 1000 LINK 2000 LINK 2000R NEC National Electric Code Negative Designating or pertaining to electrical potential The negative terminal is the point from which electrons flow during discharge 34 Ohm A unit for measuring electrical resistance Ohm s Law Expresses the relationship between Voltage V and Current I in an electrical circuit with resistance R It can be expressed as follows V IR If any two of the three values are known the third value can be calculated by using the above formula Positive Designating or pertaining to electrical potential opposite of negative The positive battery terminal is the point where electrons return to the battery during discharge Power Sharing The feature of the charger to reduce its output when the AC power being consumed by the charger and external AC loads connected to the output of the inverter are in excess of the input breaker rating TSC Abbreviation for Temperature Sensitive Charging The ability of the charger to adjust its charging voltage based on the temperature sensed at the battery bank if a temperature probe is used Volt The unit of measure for electric potential Watt The unit for measuring electrical power i e the rate of doing work in moving electrons by or against an electric potential Watt Hour Watt HR
35. mary current and type ratings Definitions Power Source To avoid damage operate the equipment only within the specified AC line Warning statements identify conditions or and DC battery voltages practices which could result in personal injury loss of life damage to equipment or other Servicing To reduce the risk of electric shock property do not open this unit There are no user serviceable parts inside Refer all service to qualified personnel The statements specifications and instructions in this publication are believed to be correct No warranty is made expressed or implied by the seller or manufacturer with respect to any results or lack thereof from the use of information in this publication and no liability is assumed for any direct or consequential damages personal loss or injury All statements made herein are strictly to be used or relied on at the user s risk 1998 Heart Interface Corporation All rights reserved Part No 90 0123 00 Libertycombi p65 10 26 98 Introduction Things You Should Know Circuit Breaker Protection Thermostat Controlled Cooling Inverter Idle Circuit Low and High Battery Shutdown Power Sharing Temperature Sensitive Charging Operation Optional Remote Control Panels Batteries Battery Types Battery Interconnection Battery Bank Ratings and Sizing Battery Charging Freedom Bat
36. nd outputs Part No 90 0123 00 Libertycombi p65 10 26 98 Confirm that your shipping carton contains Inverter Charger TSC temperature sensor with 15 cable Owners Manual Warranty Card Jumper for AUX Switch only used without Remote Control Panel or Link Instrument Wire Nuts Typical Tools Needed Flathead and Phillips Screwdrivers Allen Hex Screwariver 1 8 Wrench for connecting battery cables 9 16 Wire Cutters Wire Strippers Misc assortment of wire ties and connectors Accessories Needed for Installation Fuse UL Listed DC Rated slow blow fuse as required by NEC Electrical wire 10 gauge for AC input wiring Consult NEC for proper size for output wiring Battery Cables 1 Positive 1 Negative Consult NEC for proper size DC fuse cable Mounting Screws 4 Freedom 15D The Freedom 15D and 20D have dual AC Outputs 21 INSTALLATION CAUTION Risk of electrical shock Do not remove cover no user serviceable parts inside Refer servicing to qualified service personnel The Freedom Combi is appropriate for installation in recreational vehicles RV and other applications It is recommended that installation be completed by an authorized Heart Interface technical dealer or experienced electrician Key Installation Points 1 The unit is designed to mount horizontally on a shelf 2 Allow several inches of clearance around the unit to permit a supply of fresh air to
37. nit has a factory default setting This can be changed using the Remote Control Panel or Link Instrumentation THINGS YOU SHOULD KNOW Temperature Sensitive Charging When the supplied battery temperature sensor is connected to the unit and the batteries the charge voltage is controlled based on battery temperature The charger adjusts the charge voltage to the best level minimizing water loss in wet cell batteries Charge voltage regulation optimizes the battery life cycle TSC Sensor Battery DEN gra N Freedom 20D Part No 90 0123 00 Libertycombi p65 10 26 98 The Freedom Inverter Charger provides 120 volt AC power from auxiliary DC batteries automatic battery charging and automatic AC transfer switching between an external AC source and inverter mode External AC Power When external AC power is available the 3 stage battery charger transfer switching and Power Sharing automatically function When external AC power is not available and the INVERT switch is ON either through the auxiliary switch or the INVERT button on the remote the inverter will automatically turn ON If the INVERT switch is OFF the INVERT LED will not be illuminated the inverter will be OFF If installed with the Remote Control Panel or Link Instrumentation the unit will be set up and controlled from the remote Refer to the remote manual for more information Front Panel Controls and Indicators INVERT MODE The INVERT
38. nsulated black white and green wire to work with Strip 1 2 inch of insulation off each conductor and connect to the pigtails Black to Black White to White and Green to AC Ground Strip Use the wire nuts provided to make the wire connections You may chose to use butt splices not included to make the wire connections AC Output Depending on the model you have feed one or two 3 conductor AC output wire groups for the two branch circuit loads through its strain relief Remember to allow 6 inches of individual insulated black white and green wire to work with Strip 1 2 inch of insulation off each conductor and connect to the pigtails Black to Black White to White and Green to AC Ground Strip Tug firmly on each connection to make sure they are secure Lter if the unit is not operating properly check these connections first Carefully tuck the wires into the AC wiring compartment Replace the cover plate Dual AC Output STRAIN STRAIN RELIEF RELIEF binal A a ES Ze GROUND AC OUTPUT 2 INPUT STRIP OUTPUT 1 25 INSTALLATION Ground Fault Circult Interrupters To conform to NEC regulations certain branch circuits must be equipped with a Ground Fault Circuit Interrupter GFCI Please consult the code or a qualified electrician for details Any such branch circuits must be protected by a brand rated circuit breaker consistent with the GFCI rating Underwriters Laboratories has tested the following GFCI
39. or the number of times the waveform crosses zero volts The circuitry that counts the zero crossing events is more popular The longer zero cross time of the inverter s modified sine wave may cause double clocking resulting in a faster clock Slow or Fast Digital Clock 32 Part No 90 0123 00 Libertycombi p65 10 26 98 Alternating Current AC An electric current that reverses direction at regular intervals Sources of alternating current are shore power generator power inverter power or household current Ampere Amp A The unit of measure of electron flow rate of current through a circuit Ampere hour Amp Hr AH A unit of measure for a battery s electrical storage capacity obtained by multiplying the current in amperes by the time in hours of discharge Example a battery which delivers 5 amperes for 20 hours delivers 5 amperes times 20 hours or 100 Amp Hr of capacity Ampere Hour Capacity The ability of a fully charged battery to deliver a specified quantity of electricity Amp Hr AH at a given rate Amp A over a definite period of time Hr The capacity of a battery depends upon a number of factors such as active material weight density adhesion to grid number design and dimensions of plates plate spacing design of separators specific gravity and quantity of available electrolyte grid alloys final limiting voltage discharge rate temperature internal and external resistance age and life of
40. orque value between 160 inch pounds and 180 inch pounds Replace the cover for the negative terminal before removing the cover for the positive terminal Battery Cable Bolt Hardware Stackup TN Diagram PR 29167 Flat Washer Battery Cable Inverter Charger CAUTION Improper stackup may result in excessive heat and damage to the unit WARNING Freedom Inverter Chargers are not protected against DC reverse polarity Be very careful to connect the negative and positive cables correctly or damage will result and the warranty will be void Part No 90 0123 00 Libertycombi p65 10 26 98 Remove the positive battery cable terminal cover from the unit and attach the battery cable Tighten the battery terminal bolts to a torque value between 160 inch pounds and 180 inch pounds Replace the cover for the positive terminal The negative cable should be connected directly to the negative post of the house or auxiliary battery bank or the ground side of a current shunt Tighten securely The positive battery cable must be fused and connected to the positive post of the house or auxiliary battery bank or through a selector switch to one or more battery banks A spark may be generated when the final battery connection is made This is normal do not be alarmed However do not make the final connection in the presence of flammable fumes If multiple batteries are used the interconnecting jumper cables must be the
41. ort Circuit Circuit Battery Voltage Short Circuit Circuit Breaker Over Temperature Backfeed Breaker Over Temperature Backfeed 75 Amps 3 stage 100 Amps 3 stage Optional Remote or Link Instruments 13 2 L x 11 5 W x 7 9 H 13 2 L x 11 5 W x 7 9 H Variable on unit with Temperature Sensor installed and adjustable by Battery Type selected on the inverter charger control panel or from the Remote Control Panel The Freedom 15 15D 20 and 20D are UL and cUL Listed Part No 90 0123 00 Libertycombi p65 10 26 98 WARRANTY Your Heart Interface Freedom 458 Series Combi Inverter Charger is under limited warranty for 30 months from date of purchase Terms of this warranty are detailed on the warranty registration card Please complete this card and return it to Heart Interface to register your warranty If the unit requires service contact Heart Interface by telephone The service technician will ask for the model and serial number of your unit Please have this information ready Phone numbers 253 872 7225 800 446 61 80 outside 253 area code A return authorization number will be required on all returns This number is issued by the service technician and should be written on the outside of the packaging You must ship the unit to Heart Interface or a field service center freight prepaid TM er Chargers 1998 Heart Interface Corporation All rights reserved 36 Part No 90 0123 00 Libertycom
42. ould occur if the unit s AC output is connected to the entire leg of a circuit breaker panel then a circuit breaker on that leg is used to feed the battery charger input This will cause the unit to oscillate ON and OFF when the unit is in inverter mode 11 Always use proper wire and connectors The proper battery cable size is critical Considerable amperage flows in the DC circuit Use 2 0 UL Listed Welding Cable terminated on each end with UL Listed or UL Recognized ring terminal connectors For the terminal use Thomas amp Betts T amp B part number BAL 2038 Be sure the connectors are attached to the cable using a method approved by the connector manufacturer For the connections to meet all requirements T amp B recommends that each terminal be crimped in Part No 90 0123 00 Libertycombi p65 10 26 98 INSTALLATION two places with a pressure of 15 tons using a hexagonal die The T amp B die has a code number of 54 After the crimp is made the barrel of the terminal and the first inch of the cable needs to be covered in UL Listed or UL Recognized heat shrink tubing Heart Interface recommends a 2 inch length of 3M HDT 0800 tubing Other heat shrink may be used if it is UL Listed or UL Recognized as long as the manufacturer s directions are followed 12 If installing in a system which includes an existing battery charger or AC to DC converter make sure these do not operate from the inverter output AC power This sets up
43. rge stage most of the energy that has been consumed during discharge is returned to the battery bank This phase is engaged as soon as the battery charger is activated Full rated charger current is delivered to the battery bank until the bulk charge voltage limit is reached This results in a relatively rapid recharge Generally a wet cell battery bank should not be charged at a rate which exceeds 25 of its capacity Part No 90 0123 00 Libertycombi p65 10 26 98 BATTERY CHARGING Gel cell and Advanced AGM batteries can accept a higher rate of charge Consult the manufacturer for specifications Stage 2 Acceptance Charge The acceptance stage immediately follows the bulk charge stage During this stage the battery voltage is held constant at the bulk charge voltage limit and the current gradually ramps down During this stage the battery is accepting its final amount of charge current and the last of the sulfate on the plates is removed The acceptance stage lasts until the charge current reaches the transition point A timer will terminate the acceptance stage if this current level is not reached ACCEPTANCE TO FLOAT TRANSITION POINTS Freedom 15 amp 15D Freedom 20 amp 20D 10 Ampere DC 15 Ampere DC Maximum acceptance time is 1 hour for wet and AGM cells and 3 hours for gel cells Gel cell acceptance time can be longer because they are less likely to gas Expect wet cell batteries to gas somewhat during accept
44. tain laser pri printers breadmakers o vacum no 73 22 o s 176 zee digital clocks and appliance tool chargers Number in each box represents the total Amp hours used 12 volt DC based on various continuous run times may not operate on modified sine wave Note refrigeration is typically calculated using a 1 3 duty cyle 14 Part No 90 0123 00 Libertycombi p65 10 26 98 BATTERY CHARGING Battery Charging Completely charging wet cell deep cycle batteries requires the battery voltage to be raised beyond what is known as the gassing point This is the voltage at which the battery begins to bubble and gas is given off If charging stops short of this point sulfate is left on the plates and deterioration of the battery begins The gassing point will vary with battery temperature At 77 degrees F the gassing point of a 12 volt battery is about 14 0 volts AGM and Gel cell batteries must not be charged to their gassing point In fact high voltage charging which gasses these batteries is harmful to them They typically require a lower bulk charge voltage and a higher float voltage than wet cell batteries Consult the battery manufacturer for specifications Part No 90 0123 00 Libertycombi p65 10 26 98 Freedom Battery Chargers Freedom battery chargers are designed to overcome the limitations of conventional chargers by utilizing 3 distinct charge stages each designed for optimal charging of wet gel cell
45. tery Chargers Battery Charger Voltage Table Installation Precautions Installation Key Installation Points Grounding Neutral Bonding AC Wiring AC Input AC Output Ground Fault Circuit Interrupters Remote Control Wiring TSC Temperature Senstive Charging DC Wiring Battery Cable Fusing Power ON Checks TABLE OF CONTENTS 4 Troubleshooting 31 LED Fault Status Things to Check Gl ssdItV e o oc eL eet daban is ce das 33 Specifications 35 Warranty occ cs Eno ER eee 36 11 15 20 21 22 Not recommended for use in marine environment Part No 90 0123 00 Libertycombi p65 10 26 98 INTRODUCTION This owner s manual describes the Freedom 458 Series Combi Inverter Chargers from Heart Interface These units perform three distinct functions 1 DC to AC power inverting 2 Automatic transfer switching between inverter power and incoming AC power 3 Automatic 3 Stage Battery charging plus manual battery equalizing The inverter provides regulated 120 volt AC power ata crystal controlled frequency from a deep cycle battery bank and is rated at Freedom 15 amp 15D 1500 watts Freedom 20 amp 20D 2000 watts The output is a modified sine wave and is compatible with most appliances tools and other 120 VAC equipment Note Certain laser printers breadmakers digital clocks and small battery chargers may not operate on mo
46. thout preforming the following steps 1 Test the inverter function e With no loads connected to the output of the inverter turn the INVERT Switch ON The INVERT LED should be blinking green If using a remote turn ON the inverter with the switch on the Remote Control Panel or Link Instrument e The Freedom unit will produce a slight buzz If using a Remote Control Panel or Link Instrument the INVERT CHARGE LEDs will illuminate and the voltage indicator will display the battery voltage The DC Amps LED will not be lit because the unit is in the idle mode Part No 90 0123 00 Libertycombi p65 10 26 98 INSTALLATION Do not turn the inverter ON before eliminating any possibility of backfeed Add a load of 7 watts or more to the output of the inverter A 40 watt incandescent light bulb will work fine The DC Amps LEDs on the remote will indicate the DC draw from the battery through the inverter Leave the load connected and turn OFF the INVERT mode by pressing the INVERT switch or turn OFF the INVERT mode from the Remote Control Panel or Link Instrument 2 Test the transfer function Be sure the unit is OFF the INVERT and CHARGE LEDs are not illuminated Apply shore power If there is a back feed in the installation the unit will protect itself the LOW BATTERY and OVERTEMP OVERLOAD LED will both be blinking rapidly 5 times per second Do not proceed until the backfeed condition has been corrected Once s
47. y bank using this number as a guideline A good rule to follow is to size the battery bank a minimum of 2 times larger than the total Amp hour load requirement Plan on recharging when 50 discharged Batteries are typically charged to 85 of full charge when charging with alternators without 3 stage regulators Typical Power Consumption Typical Appliance Wattage 13 Color TV er J AMP HOUR CONSUMPTION FORMULAS AC Amps x 10 x 1 1 x hours of operation DC Amp hours Watts DC Voltage x 1 1 x hours of operation DC Amp hours AC VA DC Voltage x 1 1 x hours of operation DC Amp hours DC Voltage is 12 24 or 32 depending on your system In all formulas 1 1 is the correction factor for inverter efficiency Typical Power Consumption The chart identifies typical power consumption for common AC loads Use it as a guide when identifying your power requirements Many electric motors have momentary starting require ments well above their opera tional rating Start up watts are Appliance Run Times Amp Hours listed where appropriate Individual styles and brands of appliances may vary If using the same battery bank for the inverter and other DC loads be sure to consider the power consumption of the DC loads when sizing the battery bank ec oe ERN ERU EC EC EC ET UC Compact microwave 75 s 15 o ofiofi f Fulsizemicrowave 1500 10 so so 240 s0 NOTE Cer
48. y manu facturers There are no firm rules for how often an equalizing charge should be applied Follow the battery manufacturer s recommen dations for equalizing BATTERY CHARGING The equalizing charge is a timed 8 hour cycle The cycle can be ended early by inter rupting the AC power to the charger at any time during the cycle Equalizing should only be engaged after the batteries have been fully charged by a normal battery charging cycle During this equalizing stage the battery voltage will increase to the equalize voltage This will cause the battery bank to gas profusely and will accomplish the following 1 Removal of residual sulfate Each time a battery is cycled discharged and charged a small amount of sulfate is left on the plates Over time this gradual build up of sulfate will compromise the performance of the battery By applying an equalizing charge the sulfate is returned back to the electrolyte raising the specific gravity and fully exposing the active material of the plates 2 Bring all cells to the same potential All lead acid batteries are made up of individual 2 volt cells As the battery bank is cycled slight differences in the cells result in different cell voltages affecting the overall charge effectiveness Equalizing brings all cells to the same voltage and the electrolyte in each cell to the same specific gravity 3 Mixing up of the electrolyte Electrolyte in battery cells tend to separat
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