Avix SUPERCHARGER 60 R3.0 60 R3.0 Operator's Manual
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Avix SUPERCHARGER 60 R3.0 60 R3.0 Operator's Manual

Battery charger-analyzer
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Operator Manual, Supercharger 60
1. INTRODUCTION AND SYSTEM DESCRIPTION .................................................................. 5
2. CONDENSED OPERATING INSTRUCTIONS ....................................................................... 8
2.1
Constant Current Charge (normal mode) ............................................................................................... 8
2.2
Constant Voltage ........................................................................................................................................ 9
2.3
Peak Voltage Charge ............................................................................................................................... 10
2.4
Discharge .................................................................................................................................................. 11
3. SPECIFICATIONS ................................................................................................................ 12
3.1
CHARGE .................................................................................................................................................. 12
3.2
DISCHARGE ........................................................................................................................................... 14
3.3
TIMER ...................................................................................................................................................... 15
3.4
LINE INPUT VOLTAGE: ...................................................................................................................... 16
3.5
DIGITAL PANEL METERS .................................................................................................................. 17
3.6
4. CONTROLS AND DISPLAYS .............................................................................................. 18
4.1
M1 - Ammeter .......................................................................................................................................... 18
4.2
M1 - Voltmeter ......................................................................................................................................... 18
4.3
R1 - Main Charge Current Selector ....................................................................................................... 18
4.4
R2 - Topping/Discharge Current Selector ............................................................................................. 18
4.5
SW1 - Main Time selector switch ........................................................................................................... 18
4.6
SW2 - Total Time selector switch ........................................................................................................... 18
4.7
SW3 - Keypad .......................................................................................................................................... 18
4.8
SW4 - CELL SELECTOR: ..................................................................................................................... 19
4.9
SW5 - DIGITAL VOLTMETER INPUT SELECTOR: ...................................................................... 19
4.10 SW6 - VOLTAGE MODE SELECTOR:............................................................................................... 19
4.11 SW7 - TIMER SPEED SELECTOR: .................................................................................................... 19
4.12 DS1A - RESET:........................................................................................................................................ 21
4.13 DS1B - CYC END: ................................................................................................................................... 21
4.14 DS2A - DUAL: ......................................................................................................................................... 21
4.15 DS2B - MAIN: .......................................................................................................................................... 21
4.16 DS3A - SINGLE: ...................................................................................................................................... 21
4.17 DS3B - TOP: ............................................................................................................................................. 21
4.18 DS4A - AUTO: ......................................................................................................................................... 21
4.19 DS4B - DISCH: ........................................................................................................................................ 21

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  • Page 1: Table Of Contents

    Operator Manual, Supercharger 60 1. INTRODUCTION AND SYSTEM DESCRIPTION ... 5 2. CONDENSED OPERATING INSTRUCTIONS ... 8 Constant Current Charge (normal mode) ... 8 Constant Voltage ... 9 Peak Voltage Charge ... 10 Discharge ... 11 3. SPECIFICATIONS ... 12 CHARGE ...
  • Page 2 Operator Manual, Supercharger 60 4.20 DS5A - FULL: ... 21 4.21 DS5B - DISCH: ... 21 4.22 DS6A - CAP FAIL: ... 21 4.23 DS6B - OPEN LIM: ... 21 4.24 DS7A - OVR TEMP: ... 21 4.25 DS7B - OVR HEAT: ... 22 4.26 DS8A - VOLT FLT: ...
  • Page 3 Operator Manual, Supercharger 60 DISCHARGE VOLTAGE CUT-OFF..38 FULL DISCHARGE..39 8.10 CURRENT TRACKING..39 8.11 VOLTAGE CONTROL..39 8.12 FLOAT VOLTAGE: ... 40 8.13 PEAK VOLTAGE: ... 40 8.14 METERS ... 41 9. CALIBRATION ... 42 CIRCUIT BOARD ADJUSTMENTS AND CALIBRATION ...
  • Page 4 Operator Manual, Supercharger 60 R3.0 TABLE OF FIGURES Figure 1 - Block Diagram ... 7 Figure 2 - Front Panel ... 20 Figure 3 - Line Voltage Wiring, 115V ... 33 Figure 4 - Line Voltage Wiring, 208/230V ... 34 Figure 5 - Line Voltage Wiring, 230/245V ...

  • Page 5: Introduction And System Description

    Operator Manual, Supercharger 60 INTRODUCTION AND SYSTEM DESCRIPTION Congratulations! You now own the finest battery Charger-Analyzer available today. The Supercharger is a precision instrument designed to charge and analyze NICKEL-CADMIUM, LEAD-ACID and other rechargeable batteries exactly as recommended by the battery manufacturers.
  • Page 6 Operator Manual, Supercharger 60 R3.0 The TIMER provides all the required timing functions related to the charge and discharge durations. Digital time and speed selectors provide the external inputs, while the four digit readout of the CLOCK provides the elapsed time display. The CURRENT CONTROL interprets the programmed current values and controls the angle of firing of two SCR's to maintain a constant current in accordance to the feedback received from a precision shunt.

  • Page 7: Figure 1 - Block Diagram

    Operator Manual, Supercharger 60 R3.0 Figure 1 - Block Diagram Page 7 of 62...

  • Page 8: Condensed Operating Instructions

    Operator Manual, Supercharger 60 CONDENSED OPERATING INSTRUCTIONS CAUTION: Disconnect power and batteries before performing any internal maintenance. Failure to observe this caution may result in serious damage to the unit and injury to the operator. NOTE 1: Depress the RESET button before turning the power on, or before connecting or disconnecting the battery.

  • Page 9: Constant Voltage

    Operator Manual, Supercharger 60 2.2 Constant Voltage 2.2.1. Battery Voltage 2.2.1.1. Enter the nominal battery voltage using the cell selector (see chart on page 19). 2.2.1.2. Program the charge (maximum) current in the Topping Current selector. 2.2.1.3. Program sufficient time in the Total Time selector to allow the battery to reach the required charge under constant voltage charge (consult battery manufacturers specifications).

  • Page 10: Peak Voltage Charge

    Operator Manual, Supercharger 60 2.3 Peak Voltage Charge 2.3.1. Nominal Battery Voltage 2.3.1.1. Enter the nominal battery voltage using the cell selector (see chart on page xxx). 2.3.1.2. Select transfer from Main to Topping on Peak or stop on Peak. 2.3.1.3.

  • Page 11: Discharge

    Operator Manual, Supercharger 60 2.4 Discharge NOTE 1: Do not place batteries on the Temp-Plate during discharge. Due to the normal heating of the battery a false Overtemp may be generated later during the charge process. NOTE 2: Do not attempt to discharge with the voltage mode selector in the Float or Peak voltage modes.

  • Page 12: Specifications

    Operator Manual, Supercharger 60 SPECIFICATIONS 3.1 CHARGE 3.1.1. CONTROL: SCR, air cooled. 3.1.2. MAXIMUM CURRENT: 50 AMPS. 3.1.3. MINIMUM INCREMENT: 0.1 AMP. 3.1.4. ACCURACY and STABILITY of settings: ±1% of reading, ±0.1 AMP. 3.1.4.1. FLOAT: • The reference voltage is set at the equivalent of 2.33V/cell (Lead- •...
  • Page 13 Operator Manual, Supercharger 60 3.1.5. MODES: 3.1.5.1. Main and topping for Constant Current 3.1.5.2. Constant Voltage 3.1.5.3. Peak Voltage. 3.1.6. TIMER: 3.1.6.1. 1 to 9 hours for MAIN charge time and 1 to 60 hours for TOTAL time. 3.1.6.2. Time can also be programmed in minutes by selecting the FAST mode in the TIMER SPEED selector switch (Front Panel).

  • Page 14: Discharge

    Operator Manual, Supercharger 60 3.1.12.1. 3 AMPS idling plus ½ the value of the charging current; e.g. when charging 40 AMPS the line current is 23 AMPS (Note: nominal values, line voltage and frequency dependent). 3.2 DISCHARGE 3.2.1. CONTROL: Transistors, air cooled. 3.2.2.

  • Page 15: Timer

    Operator Manual, Supercharger 60 3.2.6. TERMINAL VOLTAGE: 3.2.6.1. Programmable, in accordance with the number of cells selected, at the equivalent of 1 VOLT/cell. 3.2.6.2. TOLERANCE: ±1% ±0.1 VOLT. 3.2.6.3. NOTE 1: Due to cable/connector losses the voltage registered by the Charger-Analyzer will be lower than the actual battery voltage (up to 0.2V depending on current).

  • Page 16: Line Input Voltage

    Operator Manual, Supercharger 60 3.3.2.4. NOTE: The colon flashes at the rate of one cycle per second regardless of the selected mode. 3.3.3. ACCURACY AND STABILITY: 3.3.3.1. ±0.01% 3.3.4. POWER FAILURE PROTECTION: 3.3.4.1. An internal rechargeable battery maintains (for several hours) the clock and other vital circuits for a dependable resumption of operation after a power failure.

  • Page 17: Digital Panel Meters

    Operator Manual, Supercharger 60 3.5 DIGITAL PANEL METERS 3.5.1. VOLTMETER: 3.5.1.1. Accuracy (system): ±0.25% of reading, ±0.1V in the 200V scale, ±0.01V in the 20V scale, ±0.005V in the 2V scale. 3.5.1.2. Input impedance: 1 M-OHM. 3.5.1.3. Scale 2V, 20V and 200V (1.999V, 19.9V and 199.9V) for external measurements and 20V and 200V for internal (battery) measurements.

  • Page 18: Controls And Displays

    Operator Manual, Supercharger 60 CONTROLS AND DISPLAYS 4.1 M1 - Ammeter 4.1.1. 0 to 199.9ADC DIGITAL PANEL METER. 4.1.2. Positive sign indicates charge current. 4.1.3. Minus sign indicates discharge current. 4.2 M1 - Voltmeter 4.2.1. 0 to 1.999VDC, 0 to 19.99VDC and 0 to 199.9VDC DIGITAL PANEL METER. 4.2.2.

  • Page 19: Sw4 - Cell Selector

    Operator Manual, Supercharger 60 4.8 SW4 - CELL SELECTOR: 4.8.1. Two digit selector to program the battery terminal voltage as a function of the number of cells. 4.8.2. Rate: 1.75 volts per cell for charge and 1.0 volts per cell for discharge. 4.8.3.

  • Page 20: Figure 2 - Front Panel

    Operator Manual, Supercharger 60 R3.0 Figure 2 - Front Panel Page 20 of 62...

  • Page 21: Ds1A - Reset

    Operator Manual, Supercharger 60 4.12 DS1A - RESET: 4.12.1. Indicates that the unit is in standby. 4.13 DS1B - CYC END: 4.13.1. Flashing (with pulsating beeper) cycle end. Indicates that the unit has completed its cycle. 4.14 DS2A - DUAL: 4.14.1.

  • Page 22: Ds7B - Ovr Heat

    Operator Manual, Supercharger 60 4.25 DS7B - OVR HEAT: 4.25.1. Indicates that the discharge bank is overheated. 4.26 DS8A - VOLT FLT: Indicates voltage fault. 4.26.1. Continuous: battery connected with polarity reversed. 4.26.2. Flashing: (during charge) battery voltage in excess of 1.75 volts per cell or in excess of 85 volts, or open circuit.

  • Page 23: Modes Of Operation

    Operator Manual, Supercharger 60 MODES OF OPERATION 5.1 CONSTANT CURRENT CHARGE 5.1.1. DUAL RATE: 5.1.1.1. The battery is charged at the main rate for a preset time, at the end of which, the current is switched automatically to the topping rate for the remainder of the total time selected.

  • Page 24: Constant Voltage Charge

    Operator Manual, Supercharger 60 5.2 CONSTANT VOLTAGE CHARGE. 5.2.1. The battery is charged at the topping rate for a preset time. 5.2.2. When the battery voltage is within 0.5V of the selected float voltage, the charging current begins to diminish, and settles to the level of current required to maintain the battery at the selected float voltage.

  • Page 25: Peak Charge

    Operator Manual, Supercharger 60 5.3 PEAK CHARGE. 5.3.1. Transfer from Main to Topping on Peak voltage. 5.3.1.1. The battery is charged at the main rate for a preset time. 5.3.1.2. When the battery voltage reaches the programmed peak voltage, the charging current transfers from main to topping.

  • Page 26: Discharge

    Operator Manual, Supercharger 60 5.4 DISCHARGE. NOTE: For battery voltages greater than 32V, the discharge current is automatically limited to 30A. A current fault condition will result if more than 30A is programmed. 5.4.1. ANALYSIS (AUTO CUT-OFF): 5.4.1.1. The battery is discharged at the selected rate for a preset time. 5.4.1.2.

  • Page 27: Operating Instructions

    Operator Manual, Supercharger 60 OPERATING INSTRUCTIONS 6.1 GENERAL 6.1.1. Verify RESET 6.1.1.1. Verify that the reset button is depressed before turning power on. 6.1.2. Connect the Battery 6.1.2.1. Connect the battery cable to the batteries and the Temp-Plate. 6.1.2.2. If only one battery is used, connect the free plug to the shorted receptacle provided in the Temp-Plate.

  • Page 28: Constant Current Charge

    Operator Manual, Supercharger 60 6.2 CONSTANT CURRENT CHARGE. 6.2.1. Main Charge 6.2.1.1. Program Main charging rate and time duration. 6.2.1.2. Verify that the Timer Speed is consistent with the required elapsed time. 6.2.2. Topping Charge 6.2.2.1. Program Topping charging rate and total time of charge (Total time = Main + Topping Times).

  • Page 29: Peak Voltage Charge

    Operator Manual, Supercharger 60 6.3.4. RUN 6.3.4.1. Start the Charger-Analyzer in the Single Rate mode. The charger will start to reduce the charging current when the battery voltage is within 0.5V of the float level. 6.3.4.2. The charge will terminate automatically (CYCLE END) when the TOTAL TIME selected is reached.

  • Page 30: Discharge

    Operator Manual, Supercharger 60 6.5 DISCHARGE NOTE: Do not discharge batteries on the Temp-Plate. Normal battery heating of the Temp-Plate during discharge will generate a false battery Overtemp fault when attempting to recharge it. 6.5.1. Current and Time 6.5.1.1. Program the discharge rate and time duration. 6.5.1.2.

  • Page 31: Float/Peak Voltage Chart

    Operator Manual, Supercharger 60 6.6 Float/Peak Voltage Chart CHART RELATING THE COMPUTED FLOAT AND PEAK VOLTAGES TO THE SELECTED NOMINAL BATTERY VOLTAGE 6.6.1. The Cell Selector becomes a Nominal Battery Voltage selector in other than the Constant Current settings of the Voltage Mode Selector. 6.6.2.

  • Page 32: Operating Notes And Precautions

    Operator Manual, Supercharger 60 6.7 OPERATING NOTES AND PRECAUTIONS 6.7.1. Make sure that the instrument is in the reset position before turning power on or off, or before connecting or disconnecting batteries. 6.7.2. When a cycle is terminated either automatically or by resetting, wait about two to three seconds before re-starting in any mode (the control switch circuit has a time delay that ignores switch selections during a 2 to 3 second interval).

  • Page 33: Installation

    Operator Manual, Supercharger 60 INSTALLATION 7.1 BENCH SPACE. 7.1.1. The Charger-Analyzer system occupies 19" x 17" (48.3 cm x 43.2 cm) of table top space for the charger and 10" x 25" (25 cm X 63.5 cm) for the Temp-Plate. 7.1.2.

  • Page 34: Figure 4 - Line Voltage Wiring, 208/230V

    Operator Manual, Supercharger 60 R3.0 Figure 4 - Line Voltage Wiring, 208/230V Figure 5 - Line Voltage Wiring, 230/245V Page 34 of 62...

  • Page 35: Verification Of Performance

    NOTE 1: The Charger-Analyzer is a precision instrument. Use only certified instrumentation capable of accuracies of at least 0.25% on voltage and 0.5% on current. • The CAL-100 Battery Charger-Analyzer Calibrator provides all necessary functions to monitor, verify and calibrate the Charger-Analyzer.

  • Page 36: Timer Verification

    Operator Manual, Supercharger 60 8.3 TIMER VERIFICATION. 8.3.1. Settings: 8.3.1.1. Set the Main and Topping Charge Current Selectors to zero. 8.3.1.2. Set both Time Selectors to zero. 8.3.1.3. Set the Timer Speed Switch to the test (center) position. NOTE: Current and voltage readings must remain at zero during the following 8.3.2.

  • Page 37: Battery Overtemp Cut-Off

    Operator Manual, Supercharger 60 8.4 BATTERY OVERTEMP CUT-OFF. 8.4.1. Settings: 8.4.1.1. Set current selectors to zero. 8.4.1.2. Set the timer speed switch in the normal position (to the right). 8.4.1.3. Set time selectors to 1/01 and cell selector to 20. 8.4.1.4.

  • Page 38: Reverse Polarity Test

    Operator Manual, Supercharger 60 8.6 REVERSE POLARITY TEST. 8.6.1. Connect the battery cable to a voltage source (CAL-100 or low current power supply and reverse the polarity). Start at zero and advance towards -0.5V 8.6.2. The unit will show a fault through the alarm and the voltage fault light at about - 0.25V (-0.20V to -0.35V).

  • Page 39: Full Discharge

    Operator Manual, Supercharger 60 8.9 FULL DISCHARGE. 8.9.1. Settings: 8.9.1.1. Set the Current selectors to zero. 8.9.1.2. Set the Time selectors to 1/01. 8.9.1.3. Set the Cell selector to 20. 8.9.2. Start the unit in the full discharge mode (red). Unit will run. Increase the discharge current selector to any value above 1 AMP (010).

  • Page 40: Float Voltage

    Operator Manual, Supercharger 60 8.12 FLOAT VOLTAGE: 8.12.1. Settings: 8.12.1.1. Set the Voltage Control Selector to Float 8.12.1.2. Set the Current Selectors to zero. 8.12.2. Connect the Battery Cable to the battery and note the battery voltage. 8.12.3. Using the chart in figure 3 (page 19) find in the FLOAT column the closest higher voltage (by at least 1V) to the observed voltage on the battery.

  • Page 41: Meters

    Operator Manual, Supercharger 60 8.14 METERS 8.14.1. Verify the battery voltage and charge/discharge current readings by comparing against a CAL-100 Calibrator or a reference voltmeter and a reference ammeter (or reference shunt). 8.14.2. See 8.1 for adjustments. Page 41 of 62 R3.0...

  • Page 42: Calibration

    Operator Manual, Supercharger 60 CALIBRATION • NOTE 1: The Charger-Analyzer must be verified (and calibrated if required) at least once every 12 months, or earlier if deviation from performance is observed. (see first note on section 7). • NOTE 2: Perform adjustments only when changing parts and components that require re- calibration.
  • Page 43 Operator Manual, Supercharger 60 • NOTE 3: Insert an external shunt/ammeter in series with any of the • NOTE 4: The charge output current wave is in the form of short 9.2.2. VOLTMETER. 9.2.2.1. ZERO: No zero adjustments. 9.2.2.2. SCALE: •...

  • Page 44: Figure 6 - Meters Board Adjustments

    Operator Manual, Supercharger 60 R3.0 Figure 6 - Meters Board Adjustments Page 44 of 62...

  • Page 45: Figure 7 - Control Switch Board Adjustments

    Operator Manual, Supercharger 60 Figure 7 - Control Switch Board Adjustments 9.2.3. CONTROL SWITCH (see fig 8). NOTE: For voltage measurements use pin 14 on the Current Control Board as reference common. 9.2.3.1. R10 - AMPLIFIER ZERO. • Static test (no battery or Calibrator). •...
  • Page 46 Operator Manual, Supercharger 60 • Set the Cell Selector at 20, connect a voltage source set to • • NOTE: This step requires that the Overvoltage cut-off on the 9.2.3.3. CLOCK-TIMER • No adjustments on this board. • Older versions of the Charger-Analyzer use two circuit boards •...

  • Page 47: Figure 8 - Current Control Board Adjustments

    Operator Manual, Supercharger 60 Figure 8 - Current Control Board Adjustments • NOTE 1: Other currents can also be used for High Current calibration (20A minimum). • NOTE 2: Adjustments of R28 and R25 are interactive. Therefore, It will be necessary to repeat the adjustments once or twice to achieve exact results.

  • Page 48: Figure 9 - Monitor Board Adjustments

    Operator Manual, Supercharger 60 Figure 9 - Monitor Board Adjustments MONITOR (see fig 12) 9.2.4. NOTE: Control Board) as ground reference for voltage measurements. 9.2.4.1. U12 pin 1 - BATTERY VOLTAGE • This point corresponds to one tenth of the battery voltage present 9.2.4.2.
  • Page 49 Operator Manual, Supercharger 60 9.2.4.3. R62 – OVERVOLTAGE • (no battery) • Set the Current Selectors to zero and set the Cell Selector to 20 • Connect an external voltage source (Power Supply or CAL-100) to • Start the Charger-Analyzer in either of the Charge modes and 9.2.5.

  • Page 50: Figure 10 - Voltage Control Board Adjustments

    Operator Manual, Supercharger 60 Figure 10 - Voltage Control Board Adjustments 9.2.5.2. VOLTAGE CONTROL - See [Figure 10] 9.2.5.2.1. R11, FLOAT VOLTAGE: • Connect a CAL-100 Calibrator or a power supply capable of producing at least 10V (very little current required) to the CAL (-) and CAL (COMMON) test points.
  • Page 51 Operator Manual, Supercharger 60 9.2.5.2.2. • Adjust R11 as required to reduce the charging current to zero at a simulated battery voltage of 28.0V • Note: This test can also be performed directly on a battery (no calibrator required), preferably one that is “soft”...

  • Page 52: Figure 11 - Circuit Board Sequence

    Operator Manual, Supercharger 60 R3.0 Figure 11 - Circuit Board Sequence Page 52 of 62...

  • Page 53: Troubleshooting And Repairs

    Operator Manual, Supercharger 60 10. TROUBLESHOOTING AND REPAIRS 10.1 TROUBLESHOOTING The following are hints and directions to help you locate the most probable causes of deviation of performance as established in the procedures of section 8. 10.1.1. UNIT CHARGES ON MAIN BUT DOES NOT CHARGE ON TOPPING AND DOES NOT DISCHARGE.
  • Page 54 Operator Manual, Supercharger 60 Do not connect a battery under this condition! 10.1.12. 9.1.12 AMOUNT. Amplifier zero or low current calibrate out of adjustment (CONTROL board). 10.1.13. 9.1.13 WHICH INCREASES AS THE PROGRAMMED VALUE IS INCREASED. High current calibrate out of adjustment (CONTROL board). 10.1.14.

  • Page 55: Finding A Shorted Discharge Transistor

    Operator Manual, Supercharger 60 10.2 FINDING A SHORTED DISCHARGE TRANSISTOR Since all discharge transistors are wired in parallel, a single shorted transistor will short the entire bank. The procedure that follows will allow the finding of the shorted transistor without requiring removal and testing of each device individually.

  • Page 56: Figure 12 - Measuring For A Shorted Transistor

    Operator Manual, Supercharger 60 R3.0 Figure 12 - Measuring for a shorted transistor Page 56 of 62...

  • Page 57: Figure 13 - Location Of Current Limiters

    Operator Manual, Supercharger 60 R3.0 Figure 13 - Location of Current Limiters Page 57 of 62...

  • Page 58: Figure 14 - Power Block Diagram

    Operator Manual, Supercharger 60 R3.0 Figure 14 - Power Block Diagram Page 58 of 62...

  • Page 59: Replaceable Modules And Parts

    Operator Manual, Supercharger 60 11. REPLACEABLE MODULES AND PARTS CIRCUIT BOARDS 11.1 9879101001 - METERS (LED) 9879903004 - VOLTAGE CONTROL 9879960001 – CONTROL SWITCH 9879903009 – CLOCK (older units) 9879903010 – TIMER (older units) 9879903109 – CLOCK-TIMER (newer units) 9879903011 – CURRENT CONTROL 9879960012 –...

  • Page 60: Battery Testing Notes

    Operator Manual, Supercharger 60 12. BATTERY TESTING NOTES Note, hazardous condition: Handle batteries with extreme care as they are capable of very high discharge rates if short circuited. Check the Battery Manual, IMM or Aircraft Manufacturer Instructions for information on charging, discharging and testing.

  • Page 61: Disclaimer

    Operator Manual, Supercharger 60 13. DISCLAIMER • The Supercharger is a precision system intended to be operated by personnel qualified in the servicing of aircraft batteries. • The end user must establish suitability in the intended application. • JFM Engineering’s responsibility is limited to the repair/replacement of any malfunctioning part of the system (not responsible for any losses incurred from the usage of the system).

  • Page 62: Revision Index

    Operator Manual, Supercharger 60 14. REVISION INDEX REVISION DATE 21 January 2001 15 January 2003 23 July 2003 4 October 2007 Table 2 - Index of Revisions NOTES Release New Clock-Timer Board and additional Peak function Overvoltage is now set at 1.75V/cell (was 1.70). Numerous other text updates (clarifications).

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