CTEK MXT 4000 - Manual (Page 5)

Maintenance charging - float (Lamp 4)
During the first 10 days of maintenance charging the battery is maintained with constant volt-
age, 27.2V. Float-maintenance is indicated by lamp 4.
Maintenance charging - pulse (Lamp 4)
State of charge varies between 95% and 100%. The battery receives a pulse when the voltage
sinks, keeping the battery in good shape when it is not being used. The charger can be con-
nected for months at a time.
If the battery is charged and/or the battery’s terminal voltage drops, the charger starts a charge
pulse until the voltage has reached the preset level, 28.8V or 29.4V. The charge pulse is then
interrupted and the cycle is repeated as long as the charger is in pulse maintenance phase. If
the terminal voltage drops even lower, the charger automatically reverts to the beginning of the
charging curve. Pulse maintenance phase is indicated by lamp 4. If possible, check the water
level in the battery. If an external load is connected, the charger will return to the Maintenance
charge – float step.
Chosen mode: ”RECOND”
MULTI XT 4000 has a Recond mode which is used to recondition a battery that has been
severely discharged. The battery is first charged using the mode ”NORMAL”. When the analysis
phase is complete, the charger begins reconditioning the battery by providing a constant
current of 0.9A and a maximum voltage of 31.4V. After 0.5–4 hours, the battery is completely
reconditioned and the charger goes into pulse maintenance. The battery is ready to be used, or
store it with pulse maintenance active until you are ready to use the battery. Recond is indicated
by lamp D and lamp 5. Note that the recond phase begins with a normal charging and that the
charger therefore will indicate the charging phases according to the descriptions above first.
Lamp 5 is first lit when the reconditioning begins.
TEMPERATURE PROTECTION
MULTI XT 4000 is protected from being overheated. The power will be reduced if the ambient
temperature is raised.
MAINTENANCE
The charger is maintenance free. Note that disassembly of the charger is not permitted and
will void the warranty. If the power cord is damaged, the charger must be left to the reseller for
maintenance. The case can be cleaned with a soft damp cloth and mild cleanser. The charger
should be disconnected from the power while cleaning.
EQUIPMENT
MULTI XT 4000 is delivered with a set of battery leads with battery pole clamps and a set of
battery leads with eyelet terminals.
WARRANTY
CTEK SWEDEN AB, Rostugnsvägen 3, SE-776 70 VIKMANSHYTTAN, SWEDEN provides
a limited warranty to the original purchaser of this product. This limited warranty is not
transferable. The unit is warranted against defective workmanship or materials for
2 years
from the date of purchase. The customer must return the product together with the original
purchase receipt to the place of purchase. This warranty is void if the unit is handled carelessly,
opened 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