8
6.
If the indicator for charge and maintenance charge are flashing alternately, this
may have the following causes:
•
Interruption of the charging process because a cable has become loose or because the
battery is not conducting.
•
The battery is sulphated. If the indicator flashes for more than 30 minutes the battery
may be defective and should be replaced.
•
If the flashing signal is flashing at intervals of more than 10 seconds, then there is a
high self discharge of the battery, indicating a bad battery.
BATTERY TYPES AND SETTINGS
MULTI US 7000 can easily be set for different types of batteries or conditions. The follow-
ing 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 sec-
onds 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 switched off.
NORMAL
Mode 14.4 V -
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.
Mode 14.7 V -
This setting is recommended for a battery at temperatures
< 5 degrees C. It is also recommended for many AGM batteries like Optima, and
Odysseys. Consult your battery manufacturer when in doubt.
SUPPLY
Mode 13.6 V / Supply -
The charger is operating at a constant voltage of 13.6 V. 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
Mode
16 V / 1.5 A / 4 h
- 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). This mode will also recover some spiral cell AGM batteries that has been
deep cycled. Check with battery manufacturer when in doubt.
Note that the battery has to be fully charged first. Use this mode with care,
because the high voltage will cause some water loss. 16 V is normally no problem
for electronics, but consult your supplier when in doubt. Life of light bulbs will be
reduced at higher voltage. Try to avoid using 12 V light from the battery during this
phase. Maximum effect and minimum risk for electronics is achieved by charging a
disconnected battery.
