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Beschikbare talen
Beschikbare talen
Translation of the original instructions
Charging several batteries simultaneously:
When charging several batteries at the same time (connected in series or parallel) the different
batteries must be identical for the charger to work correctly and safely.
Charging batteries in series using this charger is only recommended if the batteries are part of a
fixed system. For instance, in the case of a stationary or traction battery of 36V or 48V with several
12V batteries.
•
Charging several batteries at the same time requires :
- Identical nominal voltage.
•
For batteries connected in series, they must also:
- Have an identical charge level (same voltage) when the charge starts.
- Have the same capacity
- Be of the same type.
- Be all made by the same manufacturer.
- Entered service at the same time and be maintained in similar conditions throughout their life in order to
guarantee a consistent condition among the different batteries.
•
If several batteries no meeting the criteria listed above are charged simultaneously, the battery:
- with the lowest voltage,
- with the lowest capacity,
- the newest,
might suffer damage or even explode before completion of the charge.
•
Avoid connecting batteries in series and parallel at the same time.
•
For batteries connected in series, monitor them during the charge in order to ensure that charging levels
are identical. If a battery has a different voltage level, charge it separately to prevent it from damaging the
others.
•
For this reason, when charging batteries in series using the Multicharge CT 48 (e.g. charging stationary bat-
teries, traction batteries, 24V heavy-goods vehicle batteries made of 2 x 12V batteries etc.), it is essential to
replace all batteries at the same time when they need replacing.
The no-load voltage of the charger can be important depending on the charging position.
Be careful not to touch the live extremity of the clamps when the machine is in use.
People wearing pacemakers should be careful.
Remove the battery caps (if applicable) and make sure that the liquid or gel level (electrolyte) is sufficient.
Otherwise add de-ionised water and clean the battery terminals and pods.
How to charge a battery
1. Put switch on «OFF» position.
2. Connect the clamps to the battery terminals and ensure good contact. Follow these steps :
- Connect red clamp to «+» battery terminal.
- Connect black clamp to vehicle frame as far as possible from the fuel system in order to avoid any risk of explo-
sion. Or connect it to the «-» battery terminal.
3. Connect the mains lead to a 230 V - 50/60 Hz mains supply.
4. Select the correct output voltage based on the size of the battery being charged.
5. Select charging speed and between
Output voltage
selection
12V
24V
36V
48V
*
When used in «boost» mode, the thermal protections might kick in and stop the charge. The «boost» position is therefore suited for a fast but
incomplete charge of the battery (for instance in order to start a vehicle).
12
MULTICHARGE CT 48
normal or
1
2
20 A
24 A
20 A
22 A
19 A
22 A
15 A
17 A
boost
modes according to the table below:
*
Charge speed selection
3
4
25 A
28 A
24 A
26 A
24 A
26 A
18 A
20 A
EN
5
6
29 A
32 A
29 A
32 A
28 A
30 A
22 A
24 A
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