Thomas & Betts 15, 20D, 20, 15D User Manual

OWNER’S MANUAL
FREEDOM 458 Series COMBI
INVERTER/CHARGER
TM
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
INFORMATION IN THIS MANUAL IS SUBJECT TO CHANGE WITHOUT NOTICE
®
Part No. 90-0123-00 Libertycombi.p65 10/26/98
1
Thank you for purchasing a Heart Interface Freedom 458 Series Combi
Inverter/
TM
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
SAFETY SUMMARY
Safety information for installation and operation is contained throughout this manual where it applies and is not included in this summary .
Definitions: Warning statements identify conditions or
practices which could result in personal injury, loss of life, damage to equipment or other property .
sales@heartinterface.com
Fuse Replacement For continued protection
against the possibility of fire, replace the fuse only with a fuse of the specified voltage, current and type ratings.
Power Source To avoid damage, operate the equipment only within the specified AC (line) and DC (battery) voltages.
Servicing To reduce the risk of electric shock 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.
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T ABLE OF CONTENTS
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . 4
Things You Should Know . . . . . . . . . . . . . 5
Circuit Breaker Protection Thermostat Controlled Cooling Inverter Idle Circuit Low and High Battery Shutdown Power Sharing Temperature Sensitive Charging
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Optional Remote Control Panels . . . . . . . . .10
Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Battery Types Battery Interconnection Battery Bank Ratings and Sizing
Battery Charging. . . . . . . . . . . . . . . . . . . . 15
Freedom Battery Chargers
Battery Charger Voltage Table . . . . . . . . .20
Installation Precautions . . . . . . . . . . . . . . 21
Installation . . . . . . . . . . . . . . . . . . . . . . . . . 22
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
Troubleshooting . . . . . . . . . . . . . . . . . . . . .31
LED Fault Status
Things to Check
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 35
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
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Not recommended for use in marine environment
3
INTRODUCTION
This owner’s manual describes the
Freedom 458 Series Combi
Inverter/
TM
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 at a crystal controlled frequency from a deep cycle battery bank and is rated at:
Freedom 15 & 15D 1500 watts
Freedom 20 & 20D 2000 watts
The output is a modified sine wave and is compatible with most appliances, tools and other 120 V AC equipment. (Note: Certain laser printers, breadmakers, digital clocks and small battery chargers may not operate on modfied 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
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 & 15D 75 Amps DC
Freedom 20 & 20D 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 protect 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
Freedom 20D
Link Instrument).
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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.
Thermostat Controlled 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.
Circuit Breaker Protection
INPUT
15 15D 20 20D
Freedom 20D
INPUT
30 30 30 30
INV/CHG
20 20 25 25
OUT 1
OUT 2
OUT 1
20
OUT 2
N/A
15 25
N/A
15
INVERT/CHARGE
20
20
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 unit has a factory default setting. This can be changed using the Remote Control Panel or Link Instrumentation.
5
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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
Freedom 20D
6
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OPERATION
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 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.
INVERT
CHARGE
• 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 the 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.
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Freedom 20D (Dual Output)
7
OPERA TION
STATUS LEDs
Each Status LED performs two functions, providing battery type selection and operation status.
Status LEDs
CHARGE
INVERT
OVERTEMP OVERLOAD / AGM
LOW BATTERY / GEL 2
CHARGE / GEL1
INVERT / WET
REMOTE
TSC
Battery Type Selection
After holding the INVERT button down for 5 seconds, use the CHARGE button to select battery type :
WET GEL 1 GEL 2 AGM
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 is being supplied.
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 in­terrupted and becomes available again, the charger will return to ON.
LOW BATTERY - Red LED
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
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.
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LOW BATTERY & OVERTEMP/OVERLOAD
- Red LEDs
OPERATION
• When both LEDs are blinking, an AC backfeed has been detected. A backfeed occurs when AC power from an external 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 compensated charging. If no sensor is connected the charge voltage levels are set to 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.
Low Battery
Overtemp
Remote
TSC
Freedom 20D
Auxiliary Port
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9
OPTIONAL REMOTE CONTROL P ANELS
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 .
Remote Control Panel
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.
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
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.
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BA TTERIES
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.
BATTERY TYPES
Use only deep-cycle batteries with your Freedom Inverter/Charger. These fall into three broad categories: wet cell, 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.
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 will have limited life if deeply discharged.
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11
BA TTERIES
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 maintenance­free. 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.
Series
Connecting two batteries in series will double the voltage of 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
+
6V
_
EACH BA TTERY
CAPACITY :
220
AMP-HOURS
@ 6 VDC
_
6V
+
+
12V INVERTER
_
TOT AL BA TTERY
BANK CAPACITY :
220
AMP-HOURS
@ 12 VDC
12
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BA TTERIES
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.
+
+
Parallel
Parallel Increase Amp-hour Capacity
+
12V
_
EACH BA TTERY
CAPACITY :
105
AMP-HOURS
@ 12 VDC
12V
_
+
+
1
2V INVERTER
_
TOT AL BA TTERY
BANK CAPACITY :
210
AMP-HOURS
@ 12 VDC
Note: It is not advisable to connect batteries of different case sizes or Amp-hour ratings in the same battery bank.
Always use properly 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 de­creased. 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 80% 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.
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
Part No. 90-0123-00 Libertycombi.p65 10/26/98
the battery bank.
13
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 Amp­hour 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 battery 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.
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14
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 V A/ 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 Consumptlon
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 require­ments well above their opera­tional rating. Start up watts are
sruoHpmA/semiTnuRecnailppA
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.
NOTE Certain laser printers, breadmakers, digital clocks and appliance/tool chargers
.semitnursuounitnocsuoiravnodesab)CDtlov21@(desusruohpmAlatotehtstneserperxobhcaenirebmuN
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may not operate on modified sine wave.
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BA TTERY 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.
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 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.
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15
BA TTERY CHARGING
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 -
charge 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.
Bulk Charge
During the bulk
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BA TTERY 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.
ACCEPT ANCE TO FLOAT TRANSITION POINTS
Freedom 15 & 15D Freedom 20 & 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 acceptance, this is a necessary part of the charging process.
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 battery manu­facturers. There are no firm rules for how often an equalizing charge should be applied. Follow the battery manufacturer’s recommen­dations for equalizing.
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.
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17
BA TTERY CHARGING
The equalizing charge is a timed, 8-hour cycle. The cycle can be ended early by inter­rupting 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 separate 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
W ARNINGS
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. T op off after equalizing.
4. Remove all loads from the DC system before equalizing. Some DC
loads may not tolerate the high charge voltage.
BA TTERY CHARGING
5. With the Remote Control Panel
battery state-of-charge LEDs sequence during equalizing. When the equalization cycle is complete, the charge automati­cally goes to float and the green float LED battery status light is on.
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
With Link
the
19
BATTERY CHARGER VOLTAGE SETTINGS
PMET 0EPYT 1EPYT 2EPYT 3EPYT
lleCteW *1leG *2leG MGA F° C°TPECCATAOLFTPECCATAOLFTPECCATAOLFTPECCATAOLF 021 945.215.210.310.310.310.319.219.21
011 346.317.215.310.310.414.319.319.21
001 838.319.217.312.311.415.310.410.31
09 230.411.318.313.312.416.311.411.31 08 722.413.310.415.313.417.312.412.31
**07 **124.415.311.416.314.418.313.413.31 06 616.417.313.418.315.419.314.414.31 05 018.419.314.419.316.410.415.415.31
04 50.511.416.411.417.411.416.416.31
03 1-2.513.417.412.418.412.417.417.31
* 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
INST ALLA TION 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.
Confirm that your shipping carton contains:
• Inverter/Charger
• TSC temperature sensor with 15’ cable
• Owners Manual
• Warranty Card
• Jumper for AUX Switch (only used
Remote Control Panel or Link Instrument)
• Wire Nuts
Typical Tools Needed
Flathead and Phillips Screwdrivers Allen (Hex) Screwdriver (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)
without
CAUTION
AC & DC voltage sources are terminated inside this equipment.
disconnect all inputs and outputs.
Part No. 90-0123-00 Libertycombi.p65 10/26/98
Risk of electrical shock. Both
Before servicing
Freedom 15D
The Freedom 15D and 20D have
dual AC Outputs.
21
INSTALLATION
CAUTION
remove cover, no user serviceable parts inside.
personnel.
installation in recreational vehicles (RV), and other applications.
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 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 trans­former 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.
Risk of electrical shock. Do not
Refer servicing to qualified service
The Freedom Combi is appropriate for
It is recommended that installation be
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 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
Do not mount the unit in an enclosed battery compartment. Take precautions to keep dirt and spray off the unit.
22
W ARNING
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
INSTALLATION
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 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. Back­feeding the inverter voids the warranty .
AC must be fed only to the AC input
W ARNING
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 could 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.
two places with a pressure of 15 tons using a hexagonal die. The T&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 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.
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 & Betts (T&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&B recommends that each terminal be crimped in
Part No. 90-0123-00 Libertycombi.p65 10/26/98
Auxiliary Switch Port
Freedom 20D
Jumper
Actual size 3/8”L x 3/16”W
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 local and national electrical codes.
More information on grounding can be found in the National Electrical Code and local electrical codes.
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-to­ground 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.
24
Freedom 20D
Ground Lug
Part No. 90-0123-00
Libertycombi.p65 10/26/98
INSTALLATION
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 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 . . . . . . . . . . . . . . . . . Hot or Line
White . . . . . . . . . . . . . . . . . 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.
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 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.
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 RELIEF
STRAIN RELIEF
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
INPUT
AC GROUND
STRIP
AC OUTPUT 2
AC OUTPUT 1
25
INST ALLATION
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, and its use is recommended. Receptacle Type:
Pass & Seymour
Catalog Number 1591
Rated: 15 Amps at 120 V olts 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 RJ1 1 cable (15 feet supplied) and connect the plug end to the TSC jack on the front of the unit
TSC Jack
RJ11 Cable
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 torque 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 Hardware Stackup Diagram
Bolt Lock Washer
Flat Washer
Battery
CAUTION Improper stackup may result in
Freedom 20D shown.
excessive heat and damage to the unit.
W ARNING
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.
26
Part No. 90-0123-00
Libertycombi.p65 10/26/98
Battery Cable Inverter/Charger
INST ALLA TION
• 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 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.
If multiple batteries are used, the interconnecting jumper cables must be the 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.
POSITIVE (+)
(Battery Cable
Cover on)
NEGATIVE (-)
(Battery Cable
Cover on)
Freedom 15D
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
27
Part No. 90-0123-00 Libertycombi.p65 10/26/98
INST ALLA TION
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:
JLLN
with a DC Rating. This fuse with fuse
UL Listed Class T
holder is available from your dealer or Heart Interface.
COMPRESSION / RING TERMINAL
For Freedom 15 & 15D
200 Amp Fuse & Holder PN# 84-4155-00 (C/R)* 200 Amp Fuse & Holder PN# 84-4158-00 (R/R)** 200 Amp Fuse Only PN# 84-4157-00
For Freedom 20 & 20D
300 Amp Fuse & Holder PN# 84-4156-00 (C/R)* 300 Amp Fuse & Holder PN# 84-4154-00 (R/R)** 300 Amp Fuse Only PN# 84-4151-00
* Compression / Ring T erminal ** Ring / Ring T erminal
_
+
+ (red)
EXPLODED VIEW
OF FUSE ASSEMBLY
NUT LOCK WASHER
FLAT W ASHER
INVERTER
CABLE
BATTERY
CABLE
FUSE
FUSE HOLDER
W ARNING
Improper stack up of hardware will cause excessive heat and fuse failure. Stack up as shown.
28
INVERTER
CABLE
RING / RING TERMINAL
NUT LOCK WASHER
FLAT W ASHER
FUSE
FUSE HOLDER
BATTERY
CABLE
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.
INST ALLA TION
WARNING
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 it is within proper range for the unit (10-15.5 VDC).
4. Install the jumper in the Auxiliary Switch port (AUX SWITCH), if using the in­verter without remote. If operating the inverter with a remote, the jumper should
Do not apply shore power or generator power without preforming the following steps:
1. Test the inverter function:
With no loads connected to the output of the inverter, turn the INVER T 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.
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.
not be used.
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 shore 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 BA TTER Y and OVERLOAD/OVERTEMP LEDs are blink­ing 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.
Part No. 90-0123-00 Libertycombi.p65 10/26/98
Freedom 15D
29
INST ALLATION
T esting 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 the CHARGE switch OFF, if you do not want to charge.
Turn the INVER T 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
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
Part No. 90-0123-00
Libertycombi.p65 10/26/98
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.kcolcretsafanignitluser,gnikcolcelbuodesuacyamevaw
Part No. 90-0123-00
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GLOSSAR Y
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 the battery (bank).
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
TM
Heart Interface to indicate a combination inverter/charger.
Current The rate of flow of electricity or the movement 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.
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
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
GLOSSAR Y
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 single
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.
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 (W att-HR, 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.
34
Part No. 90-0123-00
Libertycombi.p65 10/26/98
SPECIFICA TIONS
ledoM)seireS854(*D51dna51)seireS854(*D02dna02
rebmuNtraP21-0251-18dna21-0151-18 21-0202-18dna21-0102-18
egatloVyrettaBlanimoNCDV21CDV21
egnaRegatloVyrettaB)2.0-/+(CDV5.51-0.01)2.0-/+(CDV5.51-0.01
tuotuCyrettaBwoL)5.0-/+(CDV0.01)5.0-/+(CDV0.01
egnaRegatloVtupnICACAV09muminiM
noitalugeRycneuqerFdetalugeRztrauQzH06ro05 detalugeRztrauQzH06ro05 rewoPtuptuOretrevnI
)suounitnoC(
noitalugeRegatloVretrevnISMReurT%5-/+V021SMReurT%5-/+V021
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rewoPegruSspmA55spmA07
niarDtnerruCdaoLoN
)edoMeldI(
dewollAsrotcaFrewoPllAllA
ycneiciffEdaoLlluF)zH06(%68)zH06(%58
ycneiciffEkaeP%29%39
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etaRgnigrahC)egats-3(spmA57)egats-3(spmA001
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deefkcaB,erutarepmeTrevO,rekaerB
spmA71spmA12
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CAV031lamroN
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tiucriC,tiucriC-trohS,egatloVyrettaB
deefkcaB,erutarepmeTrevO,rekaerB
egatloVegrahCkluB**CDV3.41**CDV3.41
egatloVegrahCtaolF**CDV4.31**CDV4.31
egatloVegrahCgnizilauqE**CDV3.61**CDV3.61
lenaPsutatSstnemurtsnIkniLroetomeRlanoitpO stnemurtsnIkniLroetomeRlanoitpO
thgieW.sbl65.sbl65
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tuptuOCAlauD*
Part No. 90-0123-00 Libertycombi.p65 10/26/98
.lenaPlortnoCetomeRehtmorfrolenaplortnoc
.detsiLLUcdnaLUeraD02dna02,D51,51modeerFehT
regrahc/retrevniehtnodetcelesepyTyrettaBybelbatsujdadnadellatsnirosneSerutarepmeThtiwtinunoelbairaV**
35
WARRANTY
Your Heart Interface Freedom 458 Series CombiTM 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) 446-6180 (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.
© 1998 Heart Interface Corporation. All rights reserved.
Inverter/Chargers
36
Part No. 90-0123-00
Libertycombi.p65 10/26/98
UL
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