ATiB 2SPT User Manual - Page 4
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Print PageBattery Charger follows a cycle called Wa, defined by the DIN 41774 rule (maximum charging time: 13 hours).
Any charge can be interrupted and restarted at the same point for a countless time, using the ON/OFF switch situated on
control panel. The charging memory is deleted only after disconnecting the battery.
The main functions are identified by a fixed light led.
The leds L1 L2 L3 show battery condition, while the led L4 shows charger alarm condition.
LED symbols key:
Charging phases visualisation (LED)
Initial test – (5 seconds to the start)
Initial charge. Voltage battery < 2,4 V/cell.
When the Battery Charger is switched on, if the battery is fully discharged,
the nominal current is given. Gradually the voltage goes up while the
current goes down. Reaching the gassing's level (2,4V/cell), the current is
at 50% of its nominal level. The first phase is finished. This phase last
minimum 30 minutes even if the battery's voltage is beyond the gassing
point.
Final charge. Voltage battery > 2,4 V/cell.
The charge continues for a fixed time of 3 hours.At the end of this phase
voltage can achieve the maximum value of 2,65V/cell. If this happens the
current is at 25% of its nominal value. The charge is finished and the
Battery Charger is switched off. In this phase the acid is gassing. This is
absolutely normal.
Battery Charged
Equalisation and preservation phase.
Equalisation phase: the battery charger goes automatically on for 5 minutes
each hour. This cycle is repeated for 15 times.
Preservation phase: the battery charger goes on for 5 minutes every 15
hours. This cycle is repeated until the Battery Charger is switched off.
Alarm signals and error search
The battery charger's switch is in the OFF position
The battery is not connected to the Battery Charger or its voltage is too
low.
The fuse protecting the diode bridge is burnt.
The battery plug is damaged.
A battery cable is interrupted.
Battery connected, battery charger's switch in ON position, but there's no
AC voltage or Voltage battery < 1,4 V/cell after 1 minute to the start.
Battery is connected, the battery charger's switch is in the OFF position
but the AC main plug is disconnected or the main switch is off.
One or more fuses are burnt because they are too weak or there was a
short circuit. Warning: if during the operation of the charger the AC main
current drops, the charger doesn't show any alarm (the led signals the
charging phase of that moment). When the AC main reverts the charger
restarts his regular operation.
The thermal probe opened the circuit of the power transformer.
If transformer is at room temperature the probe is faulty (usually is
Normally Closed), otherwise wait its restoration within 20 minutes.
Voltage battery > 2,70 V/cell
The maximum time has been exceeded (time out error). The battery has
not reached 2,40 V/cell within 10 hours.
Battery not fitted for the this charger, sulphated or a cell is interrupted and
the battery does not reach the gassing point (2,40 V/cell).
A diode on the bridge is burnt and the current is not enough to charge the
battery.
Main voltage is too low or a phase is missing.
Wrong card setting.
Quick Test
Maximum time alarm checks by quick cycle. The internal timer changes the hours in minutes and the minutes in
seconds. If you wish to enter in Quick Test simply put the dipswitch 1 in ON position BEFORE switching on the card.
Then carry out the standard operation to start the charger. Since there are two variable, the results can be as follows:
If the battery is charged the gassing point is quickly achieved (L2 on).
First phase can take between ½ minute and 9 minutes, the second phase
has a fixed duration of 3 minutes. Maximum time required 13 minutes.
The battery is not charged. 10 minutes are not enough to reach the
gassing point, so after this time interval, the Battery Charger sets on
"Phase 1 time alarm".
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2. OPERATION
flashing light
off
fixed light
L1
L2
L3
L1
L2
L3
EN
L4
2