Maintenance charging - pulse (Lamp 4)
The 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
connected 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, 14.4V or 14.7V. 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.
Chosen mode: ”SUPPLY”
ZAFIR 100 has a Supply mode setting which has a constant voltage of 13.6V and current
up to 7A. This mode can also be used for maintenance charging of an already fully charged
battery, called Float maintenance. This type of charging keeps the battery at 100% charge. The
constant small overcharge can also increase water loss. A battery does not have to be con-
nected for the charger to deliver voltage. This means that the spark protection is not active in
this mode. It is not appropriate to charge a completely discharged battery in Supply mode, since
this will not result in a completely charged battery. In this mode, ZAFIR 100 can also be used
as a power generation unit for operating equipment that requires 13.6V and a maximum of 7A. If
the selected current exceeds 7A, the output voltage will drop as the load increases. The charger
has electronic overload protection in this mode, which is activated if the charge is so great that
the output voltage from the charger falls below around 9V and the current ís around 7A. In the
event of an overload, the charger goes into error mode (lamp 0). Supply mode is indicated with
lamp D and lamp 5.
Chosen mode: ”RECOND”
ZAFIR 100 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 1.5A
and a maximum voltage of 15.7V. 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
E and lamp 6. Note that the recond phase begins with normal charging and that the charger
therefore will indicate the charging phases according to the descriptions above first. Lamp 6 is
first lit when the reconditioning begins.
TEMPERATURE PROTECTION
ZAFIR 100 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 supply while cleaning.
EQUIPMENT
ZAFIR 100 is delivered with a set of battery cables with battery pole clamps and a set of battery
cables with eyelet terminals.
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