CTEK D250TS Manual
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CTEK D250TS Manual

CTEK D250TS Manual

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MANUAL
CONGRATULATIONS
Congratulations on purchasing your new CTEK professional 24 V DC/DC switch mode battery
charger, 12 V converter and battery equalizer. This charger is part of a range of professional bat-
tery chargers from CTEK SWEDEN AB. It represents the latest technology in battery charging with
charging and analysis in 4 steps with temperature compensation.
Read this User Manual and follow the instructions carefully before using your new charger.
SAFETY

•
T he charger is designed for 24 V lead-acid batteries mounted into vehicles.
Do not use the charger for any other purpose

•
U se safety glasses when connecting or disconnecting a battery.

•
B attery acid is corrosive. Rinse immediately with water if acid comes into contact with skin
or eyes. Seek medical advice.

•
M ake sure that the cables are not being pinched or in contact with warm surfaces
or sharp edges.

•
W hile charging, a battery can emit explosive gases, avoid sparks in the immediate area.

•
A lways provide for proper ventilation during charging.

•
A void covering the charger.
20015884B D250TS, Manual, Print file 001.indd 3
D250TS
The D250TS has one 24 V input and two alternating outputs. One output charge a 24 V
battery and the other provides 50 % of the input voltage to the midpoint of a 24 V system. This
enables connection of 12 V consumers to the battery string and also equalizing this battery
string, for longer battery life.
D250TS
FEATURES:

•
M ulti-step10 A temperature compensated battery charging and battery maintenance.
• Battery separation of Starter and Service batteries.
• Equalization of Service batteries
• Makes connection of 12 V consumers directly to 24 V Service battery possible.
• When the charger is correctly connected the charger will output 24 V on the status signal wire.
Connection of a 24 V lamp (max 2 W) to the status signal wire will indicate a correctly con-
nected charger.
• The charger will maintain the starter battery untill the supply is below 14V. To avoid draining the
service battery always connect a charger to the service battery when the vehicle is not used for
a longer period.
Service ground
Service Battery Midpoint
D250TS
+IN
Service Battery
Starter Battery
24 V+
24 V+
Status signal wire
EQU
+OUT
Temperature sensor
2011-06-23 09:56:21
EN • 3

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Summary of Contents for CTEK D250TS

  • Page 1 Congratulations on purchasing your new CTEK professional 24 V DC/DC switch mode battery The D250TS has one 24 V input and two alternating outputs. One output charge a 24 V charger, 12 V converter and battery equalizer. This charger is part of a range of professional bat- battery and the other provides 50 % of the input voltage to the midpoint of a 24 V system.

  • Page 2: Installation Of Unit

    See picture 1. Mount the unit with M4 or ST4.2 screws. The required torque depends on the surface for mounting. Figure 1 Service ground Service Battery Midpoint Status signal wire Service Battery 24 V+ Starter Battery 24 V+ Temp sensor 4 • EN 20015884B D250TS, Manual, Print file 001.indd 4 2011-06-23 09:56:21...
  • Page 3 2. When Starter battery is fully charged: Equalization of a Service battery on the Input side. This function provides the possibility to connect 12 V consumers to the 1st battery in the Service battery string. 3. Monitoring. The D250TS now monitors if the Starter battery needs charging (priority) or the Service battery needs equalization. ALTERNATOR...
  • Page 4 The D250TS will charge the Starter battery in 4 steps. The last step, Pulse maintenance means that the D250TS monitors the Starter battery to see when a new charge pulse is needed. The D250TS use this monitoring time to equalize the Service battery by sending out a voltage of exactly 50 % of the input voltage.

  • Page 5: Wire Dimensions

    -20°C to +50°C, output power reduced automatically at high temperatures –GROUND 1.5 mm 1.5 mm 1.5 mm 1.5 mm 1.5 mm +24 V ON when D250TS is working properly. Max current Status signal 500 mA. Battery types All types of lead-acid batteries (WET, MF, Ca/Ca, AGM and GEL) Battery capacity 20–200 Ah...

  • Page 6: Temperature Protection

    TEMPERATURE PROTECTION CTEk PRODUCTS ARE PROTECTED BY 2011-02-04 D250TS has a temperature sensor that is used for adjusting the charge voltage according to Starter Patents Designs Trade marks Battery temperature. This sensor should be attached to the Starter Battery, if possible, otherwise in EP10156636.2 pending...

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