CTEK MXT 14000 AE - Manual (Page 3)

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3. Normal charging will be indicated by the following lights: start (1), bulk charging (2), absorption charging (3) or mainte-
nance charging (4). When the maintenance charging lamp illuminates the battery is fully charged. Charging will start
if the voltage drops. The charger can normally be connected for months. Reconditioning is indicated by the lamp (5)
illuminating.
4. If the battery leads have been connected incorrectly, the reverse polarity protection system will ensure that neither the
charger nor the battery is damaged and is indicated by lamp (0).
5. If nothing happens. If the lamp indicating the setting and the power lamp remain lit but no other lamp illuminates, the
connection to the battery or chassis may be poor or the battery may be faulty. Another cause may be a lack of voltage in
the AC Power Supply. Begin by improving the connection between the battery and charger.
6. Charging can be stopped at any time by disconnecting the charger’s AC cord. Always disconnect the AC cord before
disconnecting the battery leads. When you stop charging a battery installed in a vehicle you should always disconnect
the battery lead from the chassis before disconnecting the other battery lead.
IMPORTANT INFORMATION
Please note that the battery pack in the 24V system in most cases consists of more than one battery. They are linked up to
the 24V 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 charger is programmed according to “PROGRAM DESCRIPTION” with fixed settings and 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 - Normal setting for wet batteries, maintenance free and for most Gel batteries. Some Gel
batteries prefer a slightly lower charging voltage. Please consult the battery manufacturer when in
doubt.
SUPPLY SUPPLY - The charger operates at a constant voltage. This is the maintenance mode for applications
where 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
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. 32V is normally no
problem for electronics in 24V system. Consult your supplier when in doubt. Life of light 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
MXT 14000 AE charges and analyses in eight fully automatic steps.
The battery charger has an 8-step fully automatic charging cycle:
Desulphation
Desulphation with pulses recovers sulphated batteries. Indicates with lamp 1.
Start (Lamp 1)
Start mode for the charging cycle. 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.