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USER MANUAL

CTEK DC/DC BATTERY CHARGER 

D250T

AND 24V POWER MANAGEMENT SYSTEM

 SMARTPASS 120T

2 YEAR 

WARRANTY

EN

DE

FR

ES
IT

NL

S

V

DA

NO
FI

PL

JA

KO

ZH

Summary of Contents for D250T

Page 1: ...USER MANUAL CTEK DC DC BATTERY CHARGER D250T AND 24V POWER MANAGEMENT SYSTEM SMARTPASS 120T 2 YEAR WARRANTY EN DE FR ES IT NL SV DA NO FI PL JA KO ZH...

Page 2: ...o ensure that the unit will not be overheated Never place the charger above the battery and do not cover the charger during charging Disconnect the battery terminal posts before installing The D250T a...

Page 3: ...vice battery is protecting the service battery from high temperatures by switching off the charging process if the measured temperature rises too high The charger will automatically restart when the s...

Page 4: ...overcurrent protection SMARTPASS 120T can handle temporary inputs and outputs of up to 350A for fast charging It has an overcurrent protection and internal temperature monitoring to protect electroni...

Page 5: ...5 m 15 ft 10 m 30 ft D250T IN IN 2 5 mm2 AWG14 2 5 mm2 AWG14 4 mm2 AWG12 4 mm2 AWG12 6 mm2 AWG10 15A OUT OUT 2 5 mm2 AWG14 4 mm2 AWG12 6 mm2 AWG10 15A EQU 2 5 mm2 AWG12 2 5 mm2 AWG12 4 mm2 AWG12 4 mm...

Page 6: ...ure 5 5 Use tape see Figure 4 to secure the temperature sensor to a clean flat surface above the service battery Position the sensor as close to the positive terminal post as possible 6 Connect the ba...

Page 7: ...nches 4 9 mm 0 19 inches 168mm 6 inches Figure 3 Ignition signal 15 clamp DIN 72552 Temperature sensor Smart alternator cable red Chassis Earth SETTINGS SMARTPASS 120T Smart alternator cable red Type...

Page 8: ...rature This can be done by attaching the temperature sensor to the starter battery or somewhere close to the battery BATTERY TEMPERATURE PROTECTION Protects the battery by switching off charging if th...

Page 9: ...rvice battery that require power when the vehicle is running One basic condition required for this installation is that the alternator can deliver sufficient voltage to supply equipment and split char...

Page 10: ...is not enough to fully charge the service battery Additional charge is needed to fill the battery up to 100 Maintenance charging of the service battery and starter battery during long time storage of...

Page 11: ...an one errors For further details please refer to the manual see FUNCTION INDICATIONS table SMARTPASS 120 OUT OUT IN Reason Internal temperature too high and or current too high in connection between...

Page 12: ...ing 25 5V for 4 sec engine running alternator not charging Smart alternator cut in Not applicable 23 6V for 4 sec engine running alternator charging Smart alternator cut out Not applicable 22 8V for 4...

Page 13: ...ly or repaired by anyone other than CTEK or its authorised representatives One of the screw holes in the bottom of the product may be sealed Removing or damaging the seal will void the warranty CTEK m...

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