AB Soft Battery Charger XS 25000 User Manual

UK  
Switch mode  
BATTERY CHARGER  
For lead-acid batteries  
MULTI XS 25000  
XS 25000  
MULTI XT 14000  
XT 14000  
User Manual and Guide to professional charging of  
starter and deep cycle batteries.  
 
IMPORTANT INFORMATION FOR MULTI XT 14000 and XT 14000 Please note that the battery pack in the 24 V system in most  
cases consists of more than one battery. They are linked up to the 24 V system, but the individual batteries generally have a  
lower voltage. Therefore it is important for the charger to be connected correctly.  
BATTERY TYPES AND SETTINGS  
The XS 25000 and XT 14000 are programmed according to “PROGRAM DESCRIPTION” with fixed settings. MULTI XS 2500  
and MULTI XT 14000 can easily be set for different types of batteries or conditions. The following recommendations should,  
however, only be seen as guidelines. Please consult the battery manufacturer for further instructions.  
Settings are made by pressing the “MODE-button “ and stepping forward one press at a time until the required mode is reached,  
the button is then released. After about 2 seconds the charger activates the selected mode. The selected mode is saved in a  
memory in the charger and remains there even if the charger is disconnected from battery and mains.  
NORMAL - Normal setting for wet batteries, maintenance free and for most Gel batteries. Some Gel batteries  
NORMAL  
prefer a slightly lower charging voltage. Please consult the battery manufacturer when in doubt.  
SUPPLY - The charger operates at a constant voltage. This is the maintenance mode for applications where  
SUPPLY  
maximum capacity from the battery is important, like floor sweepers and golf carts. Note that the Spark  
protection function is suppressed in this mode.  
RECOND - This mode is used to recover deep discharged flooded batteries where you could expect a  
stratified acid (high acid weight in the bottom, low on top). Check with battery manufacturer when in doubt.  
Use this mode with care, because the high voltage will cause some water loss. 16 V is normally no problem  
for electronics in 12 V system, or 32 V in 24 V system. Consult your supplier when in doubt. Life of light  
RECOND  
bulbs will be reduced at higher voltage. Try to disconnect light from the battery during this phase. Maximum  
effect and minimum risk for electronics is achieved by charging a disconnected battery.  
CHARGING PHASES  
MULTI XS 25000, XS 25000, MULTI XT 14000 och XT 14000 charges and analyses in eight fully automatic steps.  
MULTI XS 25000 and MULTI XT 14000 have three different operating modes, see Battery Types and Settings.  
The battery charger has an 8-step fully automatic charging cycle:  
Desulphation  
Desulphation with pulses recovers sulphated batteries. Indicates with lamp 1.  
Soft start (Lamp 1)  
Start mode for the charging cycle. The charging current is limited. The start phase continues until the battery’s terminal voltage  
has risen above the set limit, at which point the charger switches to bulk charging. If the terminal voltage has not passed the  
voltage limit within the time limit, the charger switches to fault mode (lamp 0) and discontinues the charging. If so, the battery is  
faulty or its capacity is too large.  
Bulk (Lamp 2)  
Main charge when 80% of charging takes place. The charger delivers maximum current until the terminal voltage has risen to the  
set level. Bulk has a maximum time, at which point the charger automatically switches to Absorption.  
Absorption (Lamp 3)  
Complete charge up to virtually 100%. The terminal voltage is maintained at the set level. During this phase the current tapers  
successively. Once the current has tapered to the set limit, this phase switches to being timed. If the total time for Absorption  
exceeds the time limit the charger automatically switches to maintenance.  
Analysis (Lamp 3)  
Testing self-discharge. If self-discharge is too high, charging is discontinued and fault mode is indicated.  
Maintenance charging - Float (Lamp 4)  
Charging at constant voltage.  
Maintenance charging - Pulse (Lamp 4)  
Charging varies between 95% and 100% state of charge. The battery receives a pulse when the voltage drops and keeps the  
battery in perfect condition when it is not in use. The charger can be connected for months at a time. The charger continuously  
measures the terminal voltage to determine whether a charging pulse should be initiated. If the battery is loaded and/or the  
battery’s terminal voltage drops the charger starts a charging pulse until the terminal voltage reaches the set level. The charg-  
ing pulse is then discontinued and the cycle is repeated infinitely. If the terminal voltage drops below a lower limit, the charger  
automatically goes back to the beginning of the charging curve.  
 
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Recond (Lamp 5) (only on MULTI XS 25000 and MULTI XT 14000)  
This mode is used to recover deeply discharged flooded batteries. Recondition of deep discharged batteries. The voltage  
increases with reduced current for a limited time period. The higher voltage starts some gassing and mixing of the acid, which is  
beneficial for both battery capacity and expected life. Note that the battery could emit explosive gas during Recond. Recond is  
performed between Analysis and Maintenance.  
INDICATORS  
Lamp Description  
Fault mode, the charging is discontinued. For fault causes,  
see below.  
0
Start mode  
1
2
3
4
5
6
Bulk charging  
Absorption charging  
Maintenance charging  
Supply (Only on MULTI XS 25000 and MULTI XT 14000)  
Recond reconditioning of completely discharged batteries.  
(Only on MULTI XS 25000 and MULTI XT 14000)  
Charging without temperature compensation.  
Mains voltage connected  
A
B
C
D
E
Normal (Only on MULTI XS 25000 and MULTI XT 14000)  
Supply (Only on MULTI XS 25000 and MULTI XT 14000)  
Recond (Only on MULTI XS 25000 and MULTI XT 14000)  
Fault mode  
The charger goes to fault mode if the time for gradual start has been exceeded or if the battery’s self-discharge is too high.  
 
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TEMPERATURE COMPENSATION  
MULTI XS 25000, XS 25000, MULTI XT 14000 and XT 14000 have a sensor cable placed together with the battery cables. The  
units will automatically adjust the charging voltage if the temperature deviates from +25 C. A high temperature lowers the voltage  
and freezing conditions is handled by higher voltage.  
The temperature is best measured on or very close to the battery. Therefore always place the sensor as close to the battery as  
possible when charging. The sensor cable could be prolonged or cut to length with the same functionality. A short-circuited or  
disconnected sensor is indicated by lamp A. The charging voltage is then adjusted to the +25 C condition.  
SPECIFICATION  
MULTI XS 25000  
XS 25000  
MULTI XT 14000  
XT 14000  
Voltage AC  
170-260 VAC, 50-60 Hz.  
Charging voltage  
Charging current  
Current, mains  
Back Current Drain*  
Current ripple**  
Ambient temperature  
Cooling  
14.4 V  
28.8 V  
25 A max.  
14 A max.  
2,9 A rms (at full charging current)  
<2Ah per month  
<4 %  
- 20°C to + 50°C Output power is automatically reduced at higher temperatures.  
Fan  
Charger type  
Eight-step, fully automatic  
Battery types  
All types of 12 V lead-acid batteries  
(WET, MF, AGM and GEL).  
All types of 24 V lead-acid batteries  
(WET, MF, AGM and GEL).  
Battery capacity  
40-500Ah  
28-300Ah  
up to 500 Ah maintenance  
Protection class  
Weight  
IP 44 (Outdoor use)***  
1,4 kg  
*) Back current drain is the current that the charger drains from the battery if the AC cord is disconnected.  
**) The quality of the charging voltage and charging current are very important. High current ripple heats the battery and ages  
the positive electrode. High voltage ripple can damage other equipment connected to batteries. The battery chargers from CTEK  
produces very high quality voltage and current with low ripple.  
***) IP 44 cannot be guaranteed if the charger is not positioned horizontally with the long side or top side turned up.  
 
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PROGRAM DESCRIPTION  
Desulphation  
Soft Start  
Bulk  
Absorption  
Recovers a  
sulphated battery  
Tests the battery  
condition  
Peak charge with  
minimal fluid loss  
Bulk charge  
MULTI XS 25000  
MODE  
Desulphation  
Soft Start  
Bulk  
Absorption  
NORMAL YES  
or  
RECOND  
Max 10 A for 4 h until the 25 A for max 20 h.  
voltage reaches 12 V.  
14.4 V until 4 h after the  
current dropped to 3 A,  
max 12 h.  
SUPPLY  
XS 25000  
MODE  
PRESET YES  
Desulphation  
Soft Start  
Max 10 A for 4 h until the 25 A for max 20 h.  
voltage reaches 12 V.  
Bulk  
Absorption  
14.4 V until 4 h after the  
current dropped to 3 A,  
max 12 h.  
MULTI XT 14000  
MODE  
NORMAL YES  
or  
Desulphation  
Soft Start  
Max 6 A for 4 h until the 14 A for max 20 h.  
voltage reaches 24 V.  
Bulk  
Absorption  
28.8 V until 4 h after the  
current dropped to 2 A,  
max 12 h.  
RECOND  
SUPPLY  
XT 14000  
MODE  
PRESET YES  
Desulphation  
Soft Start  
Max 6 A for 4 h until the 14 A for max 20 h.  
voltage reaches 24 V.  
Bulk  
Absorption  
28.8 V until 4 h after the  
current dropped to 2 A,  
max 12 h.  
 
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Analysis  
Recond  
Float  
Pulse  
Tests whether the  
battery retains  
the energy  
Maintenance for  
maximum  
performance  
Maintenance for  
maximum  
battery life  
Reconditioning of  
a drained battery  
Analysis  
Recond  
Float  
Pulse  
Warning indication if  
Max 15.9 V and 5 A  
13.8 V with max 7 A for Pulse start at 12.9 V,  
voltage drops to 12.6 V for 4 h for deeply  
max 10 days.  
max voltage 14.4 V.  
in 2 minutes.  
discharged batteries.  
Otherwise for 30 min-  
utes (only in Recond  
mode).  
13.8 V max 300 W.  
Analysis  
Warning indication if  
voltage drops to 12.6 V  
in 2 minutes.  
Recond  
Float  
Pulse  
13.8 V with max 7 A for Pulse start at 12.9 V,  
max 10 days.  
max voltage 14.4 V.  
Analysis  
Warning indication if  
Recond  
Max 31.8 V and 3 A  
Float  
Pulse  
27.6 V with max 4 A for Pulse start at 25.8 V,  
voltage drops to 25.2 V for 4 h for deeply  
max 10 days.  
max voltage 28.8 V.  
in 2 minutes.  
discharged batteries.  
Otherwise for 30 min-  
utes (only in Recond  
mode).  
27.6 V max 300 W.  
Analysis  
Warning indication if  
voltage drops to 25.2 V  
in 2 minutes.  
Recond  
Float  
Pulse  
27.6 V with max 4 A for Pulse start at 25.8 V,  
max 10 days. max voltage 28.8 V.  
 
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MAINTENANCE  
The charger is maintenance-free. The charger must not be opened; doing so will invalidate the warranty. If the power cable is  
damaged it must be replaced by CTEK or its authorized representative. The charger casing can be cleaned using a damp cloth  
and mild cleaning agent. Remove the plug from the power socket before cleaning.  
LIMITED WARRANTY  
CTEK SWEDEN AB, Rostugnsv. 3, SE-776 70 VIKMANSHYTTAN, SWEDEN issues this limited warranty to the original pur-  
chaser of this product. This limited warranty is not transferable. CTEK SWEDEN AB warrants this unit for two years from the date  
of purchase against defect workmanship or material. It is the obligation of the purchaser to forward the unit together with proof  
of purchase to the manufacturer or its representative with transportation cost prepaid. This warranty is void if the unit is abused,  
handled carelessly or repaired by anyone other than CTEK SWEDEN AB or its authorized representative. CTEK SWEDEN  
AB makes no warranty other than this limited warranty and expressly excludes any implied warranty including any warranty for  
consequential damages. This is the only expressed limited warranty and CTEK SWEDEN AB neither assumes nor authorizes  
anyone to assume or make any other obligation towards the product other than this limited warranty.  
DECLARATION OF CONFORMITY  
CTEK SWEDEN AB hereby declares under sole responsibility that the MULTI XS 25000, XS 25000, MULTI XT 14000 and XT  
14000 battery chargers, to which this declaration relates, conforms with the following standards: EN60335-1, EN60335-2-29  
following the provisions of directive 73/23/EEC amended by 93/68/EEC and EN55022, EN 61000-3-3, EN 61000-3-2, EN55014-2  
following the provisions of directive 89/336/EEC amended by 92/31/EEC and 93/68/EEC.  
Vikmanshyttan Sweden, 16-06-2004  
Börje Maleus, Managing Director, CTEK SWEDEN AB  
CTEK SWEDEN AB  
Rostugnsvägen 3  
SE-776 70 VIKMANSHYTTAN  
 
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