CTEK I2440 Manual de usuario

EN • 3

CONGRATULATIONS

on the purchase of your new professional switch mode battery charger. This charger is

included in a series of professional chargers from CTEK SWEDEN AB and represents the

latest technology in battery charging.

• Connect AC cable according to national regulations.

• Important: Fixed installation has to be carried out by certiﬁed installation and in accord-

ance to local regulations.

• Mount the charger on a ﬁrm surface. Fix the charger with screws in the four holes. Use

suitable screws or ﬁxings. Allow space around the charger to not interfere with air

cooling.

• The charger is manufactured and constructed for industrial use and is used for 230V

only.

• I2420 and I2440 can be left connected for unlimited periods of time with no risk of

damaging the battery.

• There is a built-in temperature sensor to ensure that the charger won’t overheat.

• The charger is programmed with a generic lead acid charge algorithm. If special charg-

ing requirements, the algorithm can be changed using the service tool accessory (not

included).

Andersson

connector, 50A

DC cableLED display

Earthed AC cable

without plug

FEATURES

• 24 V, 20/40A

• Suitable for all Lead-Acid and Lithium-ion (LiFePO₄, LFP)

• Programmable for diﬀerent algorithms

• Records 200 charge cycles, accessible with the service tool accessory

• Easy to read LED and remote LED accessory

• Automatic reconditioning for deeply discharged batteries.

• Temeperature compensated charge voltage

• Drive Oﬀ protection

• 94% eﬀency

• IP64 rated

Read safety instruction and this user

instruction before use of the charger

Communication-

cable, RJ45

INTRODUCTION

MANUAL

4 • EN

224 mm135,5 mm

236 mm

148 mm 4 x R3

193 mm

DIMENSIONS I2420 DIMENSIONS I2440

80 mm

74 mm

23,75 mm

32,50 mm

41,25 mm

151,75 mm

160,50 mm

169,25 mm

52,5 mm

232,5 mm

285 mm

EN • 5

CABLE LENGHTS

AC cable 1700 mm

DC cable 500 mm

INDICATOR

CHARGER EXPLANATION INDICATOR

ACCESSORY

Green light

Mains connected, no battery connected.

Green light

Green light Battery fully charged, charger in battery

maintenance mode

(please see "CHARGING CURVE")

Green light

Yellow light

After charge.

Constant voltage while current is reduced

No light

Yellow light

Absorption charging.

Constant voltage while current is reduced

Yellow light

Bulk charging. Constant current charging.

Voltage is rising.

Yellow light

Red light

Battery error!

Red light

SYMBOLS

Battery fully

charged

Absorbtion

charging

Bulk charging

Error

Quick flashing

lamp

Slow flashing

lamp

Steady green

light

No light

Communication cable

450 mm

6 • EN

STEP 1 SOFT START

Tests if the battery can accept charge. This step prevents that charging proceeds with a defect

battery.

STEP 2 DESULPHATION

Detects sulphated batteries. Pulsing current and voltage, removes sulphate from the lead plates

of the battery restoring the battery capacity.

STEP 3 BULK

Charging with maximum current until approximately 80% battery capacity.

STEP 4 ABSORPTION

Charging with declining current to maximize up to 100% battery capacity.

STEP 5 FLOAT

Maintaining the battery voltage at maximum level by providing a constant voltage charge.

STEP 6 PULSE

Maintaining the battery at 95–100% capacity. The charger monitors the battery voltage and

gives a pulse when necessary to keep the battery fully charged.

The I2420/I2440 charger can be customized with other algorithms using the Service Tool

accessory (not included).

CHARGING CURVE

SOFT START DESULPHATION BULK ABSORPTION FLOAT PULSE

Current (A) Voltage (V)

Max 3.0A

until 23.2V

Max current 28.0V

100 ms pulses

Max current

until 28.8V

Declining current

28.8V Max current 27.2V Max current

25.6V–28.0V

Time limit: Max 4h 1 sec Max 20h Max 16h

10days

Restart from Bulk if

voltage drops below

25.2V

Restart from Bulk if

voltage drops below

25.2V

EN • 7

TECHNICAL SPECIFICATION

I2420 I2440

Model number 1320 1340

Input 220–240VAC, 50–60Hz, max 3A 220–240VAC, 50–60Hz, max 7A

Output 24V, 20A 24V, 40A

Start voltage 0.5V 0.5V

Back current drain* Less than 1Ah/month Less than 7Ah/month

Ripple** Less than 4% Less than 4%

Ambient temperature -20°C to +50°C (-4°F to +122°F)

Battery types All types of 24V lead-acid batteries (WET, MF, Ca/Ca, AGM, GEL) and Lithium-ion (LiFePO₄, LFP)

Battery capacity 40–300Ah 100–1500Ah

Dimensions See DIMENSIONS

Insulation class IP64

Weight 1,4 kg 3,0 kg

Warranty 2 year

*) Back current drain is the current that drains the battery if the charger is not connected to the mains. CTEK chargers has a very low back current.

**) The quality of the charging voltage and charging 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.

LIMITED WARRANTY

CTEK issues this limited warranty to the original purchaser of this product. This limited warranty

is not transferable. The warranty applies to manufacturing faults and material defects. The

customer must return the product together with the receipt of purchase to the point of purchase.

This warranty is void if the product has been opened, handled carelessly or repaired by anyone

other than CTEK or its authorised representatives. CTEK makes no warranty other than this

limited warranty and is not liable for any other costs other than those mentioned above, i.e.

no consequential damages. Moreover, CTEK is not obligated to any warranty other than this

warranty.

SUPPORT

For support, FAQ, latest revised manual and more information about CTEK products:

www.ctek.com.

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