CTEK D250T User Manual

CTEK D250T User Manual

Dc/dc battery charger and 24v power management system

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USER MANUAL
2 YEAR
WARRANTY
CTEK DC/DC BATTERY CHARGER D250T
AND 24V POWER MANAGEMENT SYSTEM SMARTPASS 120T

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Summary of Contents for CTEK D250T

  • Page 1 USER MANUAL 2 YEAR WARRANTY CTEK DC/DC BATTERY CHARGER D250T AND 24V POWER MANAGEMENT SYSTEM SMARTPASS 120T...
  • Page 2: California Proposition

    California to cause cancer or reproductive toxicity. Output status signal • The D250T and SMARTPASS 120T have been developed for 24V lead-acid batteries. Do not use either of these units for any other type of battery. • Wear protective goggles when connecting and disconnecting batteries.
  • Page 3 If battery D250T is a 24V DC-DC battery charger for a dual battery system with a starter battery and voltage drops too low the charging process will restart.
  • Page 4 (alternator). This feature will maximize the charging efficiency when a connections. D250T is used in the system as no consumers will take any power from service battery. • Dynamic 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 electronic circuits and keep the electronics within safe operation.
  • Page 5 35 mm 35 mm 35 mm +OUT 300A AWG2 AWG2 AWG2 +OUT +OUT *If the D250T and SMARTPASS 120T are installed in different locations and the accompanying connector plate is not used, please follow the recommendations in the table. 6 • ...
  • Page 6: Installation

    The installation should be done by a person with knowledge of automotive installations. Error lamp 1. The D250T & SMARTPASS 120T unit(s) should not be directly exposed to fuel, oil or dirt. They OFF: No errors detected. should be installed on a flat surface to ensure they can be firmly secured. If you are fitting both units together attach the accompanying connector plate (see Figure 3) before fitting them into the vehicle.
  • Page 7 DIMENSIONS Figure 3 SETTINGS SMARTPASS 120T 168mm/6⅝ inches Smart alternator cable (red) Type of alternator Not connected Conventional alternator Connected Smart alternator Ignition signal, +15 clamp Smart alternator cable (red) (DIN 72552) Chassis/Earth Negative cable connection (black) Temperature sensor 250mm / 9.84inches 8 • ...
  • Page 8 TEMPERATURE SENSOR Earth connection Critical consumer The D250T optimises the charge voltage by increasing the charge voltage at temperatures below 25°C/77°F and reducing it at temperatures higher than 25°C/77°F. TEMPERATURE COMPENSATED CHARGE VOLTAGE The charger will adjust the charge voltage according to service battery temperature. This can be...
  • Page 9: Installation Examples

    SMARTPASS 120T will not either. In this case, voltage. The current then tapers off 30 minutes) Current tapers off to we recommend that you also install the D250T to a fully charged battery. very low level 100% charge from DC/DC charger.
  • Page 10 An AC/DC battery charger can be connected to PREREQUISITES • Select the size of AC/DC battery charger the service battery as complement to D250T and suitable for the size of the battery and all A dual battery system where the D250T, –...
  • Page 11 SMARTPASS 120T FAULT INDICATIONS Each LED indicator lamp works individually and a flashing light is indicating an error according to The D250T will charge the service battery in 4 steps - Bulk, Absorption, Float and Pulse. The last step, description below.
  • Page 12: Technical Specification

    *) The quality of the charge voltage and charge current is very important. A high current ripple heats up the battery which has an aging effect on the positive electrode. High voltage ripple could harm other equipment that is connected to the battery. CTEK battery chargers produce very clean voltage and current with low ripple.
  • Page 13: Limited Warranty

    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 makes no warranty other than this limited warranty and is not liable for any other costs other than those mentioned above, i.e.

This manual is also suitable for:

Smartpass 120t

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