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The IQ4 Charge Controller allows the DLS Series battery charger to operate as an automatic "smart charger", delivering the charge your battery needs at the time it needs it.
The IQ4 uses four different charging modes to keep your battery in peak condition... |
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| BULK STAGE | ||||||||
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The Bulk Stage of the IQ4 allows the batteries to be charged from the full rated output of the charger (for example, a 12V charger will charge at a maximum of 14.8V).
This increased charging period reduces the overall charging time of the battery. |
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| ABSORPTION STAGE | ||||||||
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After the Bulk Stage, the IQ4 then moves to the Absorption Stage (14.2V for a 12V battery). This mode will continue for up to 480 minutes (8 hours) to ensure that the battery receives a complete charge. |
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| FLOAT STAGE | ||||||||
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During the Float Stage, the IQ4 reduces the DLS charge voltage. This reduced voltage maintains the full charge while minimizing 'gassing' of the battery. The IQ4's float stage prevents boiling and bulging of the battery caused when the battery is exposed to higher charging voltages for too long. |
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| EQUALIZATION STAGE | ||||||||
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If the batteries remain in a "float stage" for a seven-day period, the IQ4 will switch the DLS charger into a pre-programmed
Equalization Stage. This protects the life of your battery by dissolving any sulfate layer on the battery's internal plates and avoids stratification that can occur when a battery has not been in use for extended periods. |
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The LED Indicator An LED Indicator on the IQ4 informs the user as to the status of the battery and the charging stage. When first activated, the IQ4 will read the number of cells in the battery and indicate the voltage of the battery through a number of flashes. 6 flashes = 12 volt battery 12 flashes = 24 volt battery 18 flashes = 36 volt battery 24 flashes = 48 volt battery After reading the battery, the IQ4 will initiate either a Bulk Charge phase or Float Charge phase depending on the battery's charge status. When the IQ4 is in the Bulk Charge mode, the green LED indicator will flash rapidly. When the Bulk Charge is complete, the IQ4 begins the Absorption Charge and the LED indicator will flash at a slower rate. When the battery charging is complete and the IQ4 begins the Float Charge, the LED will remain lit and no longer flash. If, when first activated, the battery is not in need of charging, the IQ4 will immediately begin the Float charge phase and the LED will be remain lit after it has counted the battery cells. |
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Charging Voltages The charging voltages used to charge the battery during the three stages differ depending on the voltage of the battery being charged. If you are interested in knowing the various voltages, they are easy to calculate. Follow the simple steps below: 1) Determine the number of cells your battery has by counting the flashes on the IQ4 when it is first activated (1 flash = 1 cell) 2) Multiply the number of cells by the appropriate voltage for the individual charging stage. Use the table below for reference:
Example: A 12V battery (6 cells) will Bulk Charge at 14.8V (6 x 2.466). |
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For more details on IQ4 operation, consult the IQ4 Owner's manual or contact our Technical Support and Customer Service Team. Technical Notes: For smart-charge control of the DLS-54.4-15, use the IQ4-54V model. A single IQ4 Parallel Model is also available for DLS Chargers operating in parallel. |
| EXTERNAL IQ DIMENSIONS |
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SIMPLE INSTALLATION! The IQ4 can be installed by plugging the IQ4 cord into the Dual Voltage jack located on the DLS*. The IQ circuitry is then automatically engaged. (*location of the Dual Voltage Jack may vary depending on the DLS Model.) |
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