HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 2 6/12/24 VOLT AUTOMATIC/MANUAL WORKSHOP BATTERY CHARGER P/No.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 3 WARNING • Explosive gases. Prevent flames and sparks. Provide adequate ventilation during charging. • Before charging, read the instructions. • For indoor use. Do not expose to rain. • For charging lead acid batteries ONLY (of the size & voltage specified in the specifications table). • Always charge the battery on the correct voltage setting. Never set the charger to a higher voltage than the battery.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 4 FEATURES Automatic Charging When in automatic mode the charger will stop charging the battery when the battery is fully charged. You can leave the charger connected to the battery without risk of overcharging. Once the battery is full, the battery charger will automatically start to maintain the battery. The charger monitors the battery voltage and continues to top up the battery, keeping it fully charged and ready for use.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 5 Engine Start If you need to get going and the battery is flat then the engine start will help you out. Connect the charger to the battery, set it to engine start mode for 5 minutes, then start your engine. 0–14 Hour timer Automatically turns the battery charger off after a set time. The timer has 1 hour intervals with a maximum of 14 hours. This switch can also be set to permanently ON.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 6 SPECIFICATIONS PART NO. HDBC20 HDBC35 Type: Manual and Automatic Manual and Automatic Input: Input power: 240VAC 50HZ 1.35A (324W) 240VAC 50HZ 2.65A (636W) Output Voltage: (Nominal) Output Current: (Continuous) 6VDC / 12VDC / 24VDC 12A @ 6VDC 12A @ 12VDC 7.7A @ 26VDC 6VDC / 12VDC / 24VDC 21A @ 6VDC 21A @ 12.5VDC 13.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 7 CHARGING & ENGINE START INSTRUCTIONS STEP 1 – CHECK THE ELECTROLYTE LEVEL Prior to charging the battery, remove the vent caps and check the electrolyte level. (Not required on sealed & maintenance free batteries). The electrolyte should be 6mm (1/4”) above the battery’s plates. If low, top up the electrolyte with distilled water to the correct level and refit the vent caps.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 8 STEP 2B – CONNECTION IN VEHICLE Determine if the vehicle is Positively (+) or Negatively (-) earthed. Negatively earthed vehicles have a cable (usually black) from the Negative battery terminal to the vehicle’s chassis. Negatively earthed (Most Vehicles) Connect the RED lead (battery clip) from the charger to the Positive (+) battery terminal.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 9 STEP 3 – CONNECT TO 240V MAINS POWER Connect the battery charger to the 240V mains power (ensure the battery charger POWER ON/OFF TIMER is set to the OFF position). STEP 4 – SET BATTERY VOLTAGE Set BATTERY VOLTAGE switch to either 6V, 12V or 24V. STEP 5 – SET CHARGE CONTROL AUTO It is recommended to run AUTO mode when the battery is in the vehicle.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 10 STEP 7A – CHARGING The POWER and CHARGING LED’s will illuminate. When the FULLY CHARGED LED illuminates charging is complete. Manual mode Note: Charging will continue until the timer finishes or the power is turned off to the charger. The battery needs to be monitored to ensure is does not overcharge. STEP 7B – ENGINE START a. Allow the charger to boost charge the battery for 5 minutes. b. Turn the cars ignition key to start the engine. c.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 11 STEP 5 – SET CHARGE CONTROL TO AUTO STEP 6 – SET the POWER ON/OFF TIMER switch to ON STEP 7 – WAIT for the ‘FULLY CHARGED’ LED to illuminate. STEP 8 – SET CHARGE CONTROL to MANUAL STEP 9 – SET DISPLAY TO READ VOLTAGE STEP 10 – CHECK THE BATTERY Set the POWER TIMER to 2 hours and check the battery every 30 minutes to ensure it does not get too warm and the batteries electrolyte is not bubbling profusely.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 12 FREQUENTLY ASKED QUESTIONS Q. How do I know if the battery is charged? A. The battery charger’s GREEN ‘FULLY CHARGED’ LED will illuminate to indicate when the battery is fully charged. Alternatively use a Battery Hydrometer (Projecta Part No. BH100). A reading of 1.250 or more in each cell indicates a fully charged battery. Q. Why does the battery charger have two ratings? A.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 13 Q. Can I use the charger as a power supply? A. Projecta automatic chargers are designed to only supply power to the battery clips when they are correctly connected to a battery, this is to prevent sparks or damage to the charger or battery if connected incorrectly by mistake. This safety feature prevents the charger from being used as a ‘Power Supply’. No Voltage will be present at the clips. Q.
HDBC20 Instruction Manual NEW_Layout 1 28/07/11 4:33 PM Page 14 Q. What are Volts and Amps? VOLTS The term voltage refers to the electrical force or electric potential to do work between two terminals or a good analogy is water pressure in a pipe. For example a battery has 12 Volts between the positive and negative terminals, or a 6 Volt battery has 6 Volts between the positive and negative terminals. AMPS The term AMPS is the unit of measure used for current.
