12V/5A
MXS 5.0
MANUAL
CONGRATULATIONS
to 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.
SUPPLY PLUG*
CTEK COMFORT CONNECT
CHARGE CABLE
CTEK COMFORT CONNECT – clamp
CTEK COMFORT CONNECT – eyelet M6
* Supply plugs may differ to suit your wall socket.
MAINS CABLE
HOW TO CHARGE
1. Connect the charger to the battery.
2. Connect the charger to the wall socket. The power lamp will indicate that the mains
cable is connected to the wall socket. The error lamp will indicate if the battery clamps
are incorrectly connected. The reverse polarity protection will ensure that the battery or
charger will not be damaged.
3. Press the MODE-button to select charging program.
SMALL BATTERY PROGRAM NORMAL BATTERY PROGRAM
Continue to press the MODE-button to combine charging program with charging options.
AGM OPTION
AGM
Press the MODE-button several times until the desired combination of charging program and
options are lit.
4. Follow the 8 -step display through the charging process.
The battery is ready to start the engine when STEP 4 is lit.
The battery is fully charged when STEP 7 is lit.
5. Stop charging at any time by disconnecting the mains cable from the wall socket.
ERROR LAMP
POWER LAMP
MODE BUTTON
MODE
SMALL
BATTERY
PROGRAM
NORMAL
BATTERY
PROGRAM
FULLY CHARGEDREADY TO USE
RECONDAGM
AGM
OPTION
RECOND OPTION
RECOND
OPTION
EN • 3
EN
CHARGING PROGRAMS
Settings are made by pressing the MODE-but ton. After about two seconds the charger activates the selected program. The selected program will be restarted next time the charger
is connected.
The table explains t he different Charging Programs:
Program
AGM
RECOND
Battery
Size (Ah)
1. 2–14 Ah
14–16 0Ah
14–16 0Ah
14–16 0Ah
Explanation Temp range
Small battery program
14.4V/0.8A
Use for smaller batteries.
Normal battery program
14. 4V/5A
Use for WE T batteries, Ca/Ca,
MF, GEL batteries and many
AGM batteries.
AGM option
14. 7V/5 A
Use for charging most AGM batt eries like Optima and Odyssey.
Recond option 15.8V/1.5A
Use to return energy to the empty
WET and Ca/Ca batte ries.
Recond your battery onc e per
year and after deep discharge to
maximise lifetime and cap acity.
The Recond program adds
STEP 6 to the norma l battery
program.
-2 0°C–+5 0°C
(-4ºF–122ºF)
-2 0°C–+5 0°C
(-4ºF–122ºF)
-2 0°C–+5 0°C
(-4ºF–122ºF)
-2 0°C–+5 0°C
(-4ºF–122ºF)
ERROR LAMP
If the error lamp is lit, check the following:
1. Is the chargers positive lead connected to the battery´s
positive pole?
2. Is the charger connected to a 12V batter y?
3. Has charging been interrupted in STEP 1, 2 or 5?
Restart the charger by pressing the MODE-button. If charging is still
being interrupted, the battery...
STEP 1: ...is seriously sulphated and may need to be replaced.
STEP 2 : ...can not accept charge and may need to be replaced.
STEP 5: ...can not keep charge and may need to be replaced.
POWER LAMP
If the power lamp is lit with a:
1. STEADY LIGHT
The mains cable is connected to the wall socket.
2. FLASHING LIGHT
The charger has entered the energy save mode. This happens if the
charger isn't connected to a battery in 2 minutes.
READY TO USE
The table shows the estimated time for empty batter y to 80% charge.
4 • EN
BATTERY SIZE (Ah)
2Ah
8Ah
20Ah
60Ah
110Ah 26h
TIME TO 80% CHARGED
2h
8h
4h
12h
CHARGING PROGRAMS AND OPTIONS COMBINATIONS
AGM
RECOND
AGM
RECOND
AGM
RECOND
AGM
RECOND
DESULPHATION SOFT START BULK ABSORPTION ANALYSE RECOND FLOAT PULSE
Current (A) Voltage (V)
15.8V 0.8A until 12.6V Increasing voltage to
+
+
+
+
+
+
+
+
15.8V 0.8A until 12.6V Increasing voltage to
15.8V 0.8A until 12.6V Increasing voltage to
15.8V 0.8A until 12.6V Increasing voltage to
15.8V 5A until 12.6V Increasing voltage to
15.8V 5A until 12.6V Increasing voltage to
15.8V 5A until 12.6V Increasing voltage to
15.8V 5A until 12.6V Increasing voltage to
Time limit: Max 8h Max 20h Max 8h 3 minutes 2h or 6h
14.4V. 0.8A
14.7V. 0.8A
14.4V. 0.8A
14.7V. 0.8A
14.4V. 5A
14.7V. 5A
14.4V. 5A
14.7V. 5A
Declining current
14.4V
Declining current
14.7V
Declining current
14.4V
Declining current
14.7V
Declining current
14.4V
Declining current
14.7V
Declining current
14.4V
Declining current
14.7V
Checks if voltage
drops to 12V
Checks if voltage
drops to 12V
Checks if voltage
drops to 12V
Checks if voltage
drops to 12V
Checks if voltage
drops to 12V
Checks if voltage
drops to 12V
Checks if voltage
drops to 12V
Checks if voltage
drops to 12V
Max 15.8V
0.3A
Max 15.8V
0.3A
Max 15.8V
1.8A
Max 15.8V
1.8A
13.6V
0.8A
13.6V
0.8A
13.6V
0.8A
13.6V
0.8A
13.6V
5A
13.6V
5A
13.6V
5A
13.6V
5A
10days
Charge cycle restarts
if voltage drops
12.7V–14.4V
0.8–0.3A
12.7V–14.7V
0.8–0.3A
12.7V–14.4V
0.8–0.3A
12.7V–14.7V
0.8–0.3A
12.7V–14.4V
5–2.5A
12.7V–14.7V
5–2.5A
12.7V–14.4V
5–2.5A
12.7V–14.7V
5–2.5A
Charge cycle restarts
if voltage drops
EN
EN • 5
STEP 1 DESULPHATION
Comfort
Connect
+
+
–
–
Comfort
Connect
Detects sulphated batteries. Pulsing current and voltage, removes sulphate from the lead
plates of the battery restoring the battery capacit y.
STEP 2 SOFT START
Tests if the batter y can accept charge. This step prevents that charging proceeds with a
defect battery.
STEP 3 BULK
Charging with maximum current until approximately 80% batter y capacity.
STEP 4 ABSORPTION
Charging with declining current to maximize up to 100% battery capacity.
STEP 5 ANALYSE
Tests if the batter y can hold charge. Batteries that can not hold charge may need to be
replaced.
STEP 6 RECOND
Choose the Recond program to add the Recond step to the charging process. During the
Recond step voltage increases to create controlled gassing in the batter y. Gasing mixes the
battery acid and gives back energy to the battery.
STEP 7 FLOAT
Maintaining the batter y voltage at maximum level by providing a constant voltage charge.
STEP 8 PULSE
Maintaining the batter y at 95–100% capacity. The charger monitors the battery voltage
and gives a pulse when necessary to keep the battery fully charged.
6 • EN
CONNECT AND DISCONNECT THE CHARGER TO A BATTERY
INFO
If the batter y clamps are incorrectly connected, the reverse
polarity protection will ensure that
the bat tery and charger are not
damaged.
For batter ies mounted inside a
vehicle
1. Connect t he red clamp to the b attery's positive pole.
2. Connect the black clamp to the
vehicl e chass is remot e from the f uel
pipe and the bat tery.
3. Connect the ch arger to t he wall
socket
4. Disconnect the charger from the wall
socket before disconnecting the battery
5. Disconnect the black clamp before
the red clamp.
Some vehicles may have positively earthed batteries.
1. Connect the black clamp to the battery's negative pole.
2. Connect the red c lamp to t he vehic le
chass is remot e from the f uel pipe and
the b atter y.
3. Connect the ch arger to t he wall
socket
4. Disconnect the charger from the wall
socket before disconnecting the battery
5. Disco nnect t he red clamp before the
black clamp.
TECHNICAL SPECIFICATIONS
AGM
Model number
Rated Voltage AC
Charging voltage
Min batter y voltage
Charging current
Current, mains
Back current drain*
Ripple**
Ambient temperature
Charger type
Battery types
Battery capacity
Dimensions
Insulation class
Weight
Temperature
Compensation
*) Back current drain is the current that drains the bat tery 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 ver y 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.
1075
220–240VAC, 50–60Hz
14. 4V,
2.0V
5A max
(at full charging current)
0.6A
rms
<1Ah /mon th
<4%
-20°C t o +50°C
high temperatures
8 step, fully automatic charging cycle
All types of 12V lead-acid batteries (WET, MF, Ca/Ca, AGM
and GEL)
1.2–110Ah up to 160Ah for maintenance
168 x 65 x 38mm (L x W x H)
IP65
0.6kg
Built in charge voltage compensation according to ambient
temperature.
14. 7V,
15.8V
, output power is reduced automatically at
SAFETY
• The charger is designed for charging only for batteries according to the technical
specification. Do not use the charger for any other purpose. Always follow bat tery
manufacturers recommendations.
• Never try to charge non rechargeable batteries.
• Check the charger cables prior to use. Ensure that no cracks have occurred in the cables
or in the bend protection. A charger with damaged cord must be returned to the retailer.
A damaged mains cable must be replaced by a CTEK representative.
• Never charge a damaged battery.
• Never charge a frozen battery.
• Never place the charger on top of the battery when charging.
• Always provide for proper ventilation during charging.
• Avoid covering the charger.
• A batter y being charged could emit explosive gasses. Prevent sparks close to the
battery. When batteries are reaching the end of their lifecycle internal sparks may occur.
• All batteries fail sooner or later. A battery that fails during charging is normally taken
care of by the chargers advanced control, but some rare errors in the battery could still
exist. Don’t leave any bat tery during charging unattended for a longer period of time.
• Ensure that the cabling does not jam or comes into contact with hot surfaces or sharp
edges.
• B attery acid is corrosive. Rinse immediately with water if acid comes into contact with
skin or eyes, seek immediate medical advice.
• Always check that the charger has switched to STEP 7 before leaving the charger unattended and connected for long periods. If the charger has not switched to STEP 7 within
50 hours, this is an indication of an error. Manually disconnect the charger.
• B atteries consume water during use and charging. For batteries where water can be
added, the water level should be checked regularly. If the water level is low add distilled
water.
• This appliance is not designed for use by young children or people who cannot read or
understand the manual unless they are under the supervision of a responsible person to
ensure that they can use the battery charger safely. Store and use the batter y charger
out of the reach of children, and ensure that children cannot play with the charger.
• Connection to the mains supply must be in accordance with the national regulations for
electrical installations.
EN
EN • 7
LIMITED WARRANTY
CTEK SWEDEN AB, issues this limited warrant y to the original purchaser of this product.
This limited warranty is not transferable. The warranty applies to manufacturing faults
and material defects for 5 years from the date of purchase. The customer must return the
product together with the receipt of purchase to the point of purchase. This warranty is void
if the bat tery charger has been opened, handled carelessly or repaired by anyone other
than CTEK SWEDEN AB or its authorised representatives. One of the screw holes in the
bottom of the charger is sealed. Removing or damaging the seal will void the warranty.
CTEK SWEDEN AB makes no warranty other than this limited warrant y and is not liable
for any other costs other than those mentioned above, i.e. no consequential damages.
Moreover, CTEK SWEDEN AB is not obligated to any other warranty other than this
warranty.
SUPPORT
CTEK offers a professional custom support: www.ctek.com.
For latest revised user manual see ww w.ctek.com. By e-mail: info@ctek.se,
by telephone: +46(0) 225 351 80, by fax +46(0) 225 351 95.
CTEK PRODUCTS ARE PROTECTED BY
Patents Designs Trade marks
EP10156636.2 pending RCD 509617 TMA 669987
US12/780968 pending US D575225 CTM 844303
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SE524203 RCD 000911839 CTM 405811
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RCD 001705138-0001
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US RE42303
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2012–06–04
8 • EN
20017958D
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