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Using  twin core wiring  between the main starting
battery and iTECHDCDC20 connect the red (+) to the (+)
DC input terminal(Red anderson plug) and the black (-) to
the (-)negative on the rear of the iTECHDCDC20. Finally,
make the power connections to the main starting battery
of the vehicle. It is recommended to install a 30Amp fuse
(not included) on the positive cable between the starting
battery and the iTECHDCDC20. The fuse should be
located as close as possible to the battery.

The optional ignition override cable is used to wire into
the ignition/acc of your vehicle if you have a smart
alternator. This will force DC charge once the ignition is
switched on, lowering the charge cut in voltage to 11.50V
and low voltage cut off to 10.80V.

Check all connections are secure and tight.

INSTALLATION CONTINUED

USER GUIDE

Summary of Contents for iTECHDCDC20

Page 1: ...User Guide iTECHDCDC20 In vehicle DC battery charger...

Page 2: ...ol LED indicators showing state of charge Over charging short circuit and temperature protection Reverse polarity protection Thermal overload protection Solar input overload protection MPPT solar inpu...

Page 3: ...n the auxiliary battery and iTECHDCDC20 connect the red to the blue cable DC output terminal Black anderson plug and the black to the negative on the rear of the iTECHDCDC20 It is recommended to insta...

Page 4: ...l a 30Amp fuse not included on the positive cable between the starting battery and the iTECHDCDC20 The fuse should be located as close as possible to the battery The optional ignition override cable i...

Page 5: ...INSTALLATION CONTINUED USER GUIDE Fuse not included...

Page 6: ...type selector button on the front panel of the iTECHDCDC20 and reconnect the aux battery Once you have selected the new battery type the iTECHDCDC20 will remain on this battery type until it is change...

Page 7: ...e aux battery then press the battery type selector button on the front panel of the iTECHDCDC20 and reconnect the aux battery Once you have selected the new battery type the iTECHDCDC20 will remain on...

Page 8: ...FRONT PANEL INDICATOR LIGHTS OPERATING THE ITECHDCDC20 USER GUIDE...

Page 9: ...When the auxiliary battery is full the green Full LED will be lit The iTECHDCDC20 will now enter maintenance mode and provide 0 1A 10A charging current It will not return to the charging mode until t...

Page 10: ...It will not return to the charging mode until the auxiliary battery is drained down to 12 6Volts If you want to force start recharging the aux battery simply disconnect and reconnect the aux battery...

Page 11: ...SPECIFICATIONS WIRING GAUGE USER GUIDE D 12 40 12 4 20 Up to 20A Up to 20A 10A 0 1A 10A 10 AWG...

Page 12: ...CHARGING SPECIFICATIONS USER GUIDE 12 8V 12 4V 11 50V 10V...

Page 13: ...the polarity of your auxiliary battery If the iTECHDCDC20 is beeping and the red power LED is flashing the iTECHDCDC20 has detected a fault with your auxiliary battery please double check your wiring...

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