Model 12248 ® BatteryMINDer TABLE OF CONTENTS SAFETY INSTRUCTIONS......................3 PREPARING TO CHARGE......................5 CHARGER LOCATION.......................5 DC CONNECTION PRECAUTIONS ..................6 QUALIFYING YOUR BATTERY: ....................8 TESTING A FILLER CAP OR MANIFOLD-TYPE LEAD ACID BATTERY........8 TESTING WITH A HOT/COLD CALIBRATED HYDROMETER TESTER........10 TESTING A SEALED, AGM OR GELLED-TYPE LEAD ACID BATTERY .........10 UNIT WITH CALL-OUTS ......................12 SIMPLIFIED OPERATING INSTRUCTIONS ................13...
Underwriters Laboratories (UL) c. Wire size is enough for AC ampere of charger REQUIRED SAFETY INSTRUCTIONS as specified below: Length of cord, feet (meters) WARNING 25 (7.6), 60 (15.2), 100 (30.5), 150 (45.6) AWG Size #18. TO REDUCE THE RISK OF FIRE, 4.
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Model 12248 BatteryMINDer ® Con’t. from prev. page To reduce risk of battery explosion, follow these e. Be extra cautious to reduce risk of instructions and those published by the battery dropping a metal tool or auto part onto battery. It manufacturer and the manufacturer of any might spark or short circuit battery or other elec- equipment you plan to use in the vicinity of the...
Con’t. from prev. page NEVER CHARGE A FROZEN BATTERY OR ic instructions such as removing cell caps while ONE AT A TEMPERATURE ABOVE 123° F. charging and recommended charge rates. PREPARING TO CHARGE f. Determine condition of battery, by refer- a.
Model 12248 BatteryMINDer ® Con’t. from prev. page DC CONNECTION PRECAUTIONS NEGATIVE -. a. Connect and disconnect DC output clips from f. Determine which post of battery is grounded battery only after removing charger power cord (connected) to the chassis of equipment. If neg- from outlet.
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Con’t. from prev. page Do not connect clip to carburetor, fuel lines, end of cable. or sheet metal body parts. Connect to heavy d. Do not face battery when making final gauge metal part of frame or engine. connections. h. When disconnecting charger, discon- e.
Model 12248 BatteryMINDer ® Con’t. from prev. page QUALIFYING YOUR BATTERY: battery it may have been subjected to condi- Preliminary Requirements tions that have caused "sulphation" such as NOTE: The BatteryMINDer has no electrical high temperature (>=80°). output unless it is connected to a healthy bat- NOTE: If your battery is new and you are cer- tery.
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Con’t. from prev. page condition where the battery can be expected to phated. Reconnect battery to your function normally. BatteryMINDer and press the Maintenance 3. Refill each cell with distilled water only to the mode button. Allow battery to remain in mainte- liquid level indicator found in each cell.
Model 12248 BatteryMINDer ® **Testing with a Hot/Cold Calibrated being properly recharged or reconditioned-desul- Hydrometer Tester phated. Dispose of the battery. Read the tester instructions carefully for most If each cell floats three (3) or more balls (or 1250 accurate readings. on gauge-type), your battery can be desulphat- 1.
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Con’t. from prev. page continue until battery voltage reaches full capaci- Failure to test a "rested" (see pg. 9) battery will ty level or no further increase is seen. cause false readings. Be certain to read and OCV=Open Circuit No Load Voltage understand all safety related instructions (pages 3 to 7) before proceeding further.
Con’t. from prev. page Simplified Operating Instructions (Read and understand ALL Safety Instructions on pages (3 -7) and Qualifying Your Battery (pgs. 8 -11) before proceeding) 1. Attach battery connector (either clips or ring terminal assembly) to output cordset of charger. Use either type, but not both at same time.
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Model 12248 BatteryMINDer ® Con’t. from prev. page Rev. G-061606 Page 14 P/N VDC12248-MNL-B...
Con’t. from prev. page Detailed Operation Instructions Model 12248 Ring Terminal Assemblies (RTA) available from your dealer or VDC Electronics, Inc. directly. After carefully reading and understanding the Note: this assembly contains a 15 Amp automo- Safety Instructions contained in this manual...
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Con’t. from prev. page Correct polarity and a good connection will be temperature at the battery when properly your reward. Attach the to the proper bat- installed. Use of this sensor will increase your tery posts, clamps or screw terminals, depending battery life significantly, so please try to use.
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Model 12248 BatteryMINDer ® Con’t. from prev. page further. The normal (default) setting of your lowest possible setting when in doubt or charger is GEL, as this is the lowest voltage recharge time is not important, as there may output and thus the one least likely to cause be conditions such as an internally damaged your battery to be overcharged, should you battery that cannot be reliably detected.
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Con’t. from prev. page battery not have a normal fully discharged 11-Volts (OCV) before it is recharged. It may voltage (10.5-V minimum) the unit will begin well be seriously damaged and unsafe for any charging in the “Soft-Start” mode to determine type of use or recharge.
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Model 12248 BatteryMINDer ® Con’t. from prev. page charging battery again. If battery is not defective After carefully reading these instructions and it should be able to be fully charged after being Troubleshooting (pgs. 24 - 25) sections should restarted. After sufficient time has lapsed the you still have questions, please e mail our tech- GREEN charge LED Indicator will blink confirm- nical support department at:...
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Note: If your questions relate to safety con- cerns, please contact: customersupport@VDCelectronics.com or if a potentially hazardous emergency may exist cease using the product immediately and call (800) 379-5579 Ext 202 (ET) Monday – Friday or contact our tech support at ext. 206. Standard operating questions, clearly answered in this manual, will not be answered...
BatteryMINDer ® Con’t. from prev. page MAINTAINING MULTIPLE BATTERIES meter. The Minimum voltage Must not be less BatteryMINDer 12248 maintenance charger than 2.13 volts / cell after fully charging battery Desulphators can be used to maintain up to six and letting it “rest” for 12 hours minimum, before (6) 12-volt batteries at a time, providing each testing.
NEVER connect mul- tiple batteries together for charging purposes using less than #18 Gauge insulated wire. VDC Electronics, Inc. does not make nor can it supply or recommend, any type of wire harness to connect individual batteries for the purpose of charging them in groups, due to the many bat- tery terminal sizes and configurations that exist.
Model 12248 BatteryMINDer ® Con’t. from prev. page Troubleshooting - Model 12248 should not be recharged. If battery was just We use the word “Indicator” to mean the var- recently removed from a load (headlights, door ious LEDs (Light Emitting Diodes) showing lights, etc.
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Con’t. from prev. page 3. If recharging multiple batteries, 2 or more Solution. complete recharge cycles may be needed. Battery can be weak due to sulphation, self dis- Repeat full recharge by pressing START button charge or was very deeply discharged. again.
Model 12248 BatteryMINDer ® Con’t. from prev. page DETAILED SPECIFICATIONS - VDC Model No. 12248 14.1V / 14.4V / 14.7V---2/4/8A MCU controlled H.F. Battery Charger Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
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Con’t. from prev. page DETAILED SPECIFICATIONS - VDC Model No. 12248 (con't.) Charging Output Control Characteristics Charging Flow: Battery condition detect>SoftStart Charge>Bulk Charge Absorption Charge>Sulphate Check>Float Charge>Float Pulse Charge SoftStart Charging Activity conditions: 1)Battery Voltage is over 3 Vdc and less than 10.5 Vdc 2)Press Start Button (If you forget to press Start button within 10 minutes, charger will auto- matically start in and remain in 2A current mode &...
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Model 12248 BatteryMINDer ® Con’t. from prev. page DETAILED SPECIFICATIONS - VDC Model No. 12248 (con’t.) Absorption mode transitions to Float mode conditions: Mode: 1) Charging Current is less than 25% of Bulk Charging current 2) 5 Hours Time-out: after 5 Hours unit switches to Float Charge Mode Absorption mode Thermal Runaway Protection: Stops Charging when the second current sample is larger the first current sample (Positive dI/dt) Switch to Float mode in Bulk charge or Absorption mode when Battery type Button is Pressed For 3...
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Con’t. from prev. page DETAILED SPECIFICATIONS - VDC Model No. 12248 (con't.) Battery sulphation check period (After absorption charge is finished): 10 minutes Unloaded output voltage when battery is disconnected: 0.5 Vdc (max.) Output short-circuit current when battery disconnected: 5mA dc (max.) Battery flow back current (to the charger) when connected to 12V battery, AC Power disconnected: 30 (max.) mA dc All LED indicators will shut off if AC power is disconnected for 5 Minutes...
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Model 12248 BatteryMINDer ® Con’t. from prev. page DETAILED SPECIFICATIONS - VDC Model No. 12248 (con't.) Transformer Transformer Type: Ferrite core transformer Rising Temperature of Transformer: 80o C Max. Insulation Primary to Secondary insulation Test: 1240 Vac 60Hz with 1 minutes, 10mA ac no break down found Primary to core insulation test: 1240 Vac 60Hz with 1 minutes, 10mA ac no break down found...
MUST speak to a VDC follows: Electronics technician at 1-800-379-5579 x206 (ET) before proceeding further. VDC Electronics, Inc. If after speaking with our tech support personnel Returns Department it is necessary to return the unit, you MUST Attn: RMA # (Enter Your RMA# Here) request an RMA number.
® Con’t. from prev. page Guarantee and Warranty NOTE: ALL returns must be authorized by VDC Electronics after speaking to a VDC Electronics technician at 1-800-379-5579 x206 ET. Please see Page 31 for details. Con’t. on next page Rev. G-061606...
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