Manual Telwin LEADER 400 START (page 3 of 60) (All languages)

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CHARGE starting stage.

- Power the battery charger by inserting the power supply For starting turn the switch to the start position at the voltage

cable into the power outlet and turning the switch (if corresponding to that of the vehicle being started.

present) to ON.

FIG. E

- The ammeter (if present) will indicate the current (in

It is essential, before turning the ignition key, to make a rapid

Amps) delivered towards the battery: during this phase

charge for 5-10 seconds, which will greatly facilitate starting.

the pointer of the ammeter will decrease slowly to very

Rapid charging should always be done with the battery

low values according to the capacity and condition of the

charger switched to the charge position and NOT to

battery.

starting.

FIG.C

It is possible to enable starting by pressing the remote control

button (only for 3-phase).

NOTE: Once the battery is charged you may note the liquid

The current supplied is indicated on the scale of the ammeter

inside the battery starting to “boil”. It is advisable to stop

with greater capacity.

charging when this phenomenon appears so as to prevent

WARNING: Before proceeding with starting follow the

damage to the battery.

vehicle manufacturer's instructions carefully!

AUTOMATIC CHARGING

- Make sure the power line is protected by fuses or

FOR MODELS WHERE PROVIDED:

automatic circuit-breakers with sizes as indicated on the

rating plate by the ( ) symbol.

1- Switch in automatic position. ( TRONIC)

- In order to prevent overheating in the battery charger,

During this phase the battery charger will constantly

ALWAYS carry out the starting operation according to the

monitor the voltage over the ends of the battery and will

duty cycle (work/pause) as indicated on the appliance (e.g.

automatically deliver or cut off the charge current towards

START 3s ON 120s OFF-5 CYCLES). Do not insist if the

the battery.

engine does not start: this could cause serious damage to

the battery or even to the electrical equipment in the

2 Switch in manual position. ( CHARGE )

vehicle.

In this position automatic operation is deactivated.

For any other information relative to the charging system

5. SAFEGUARDS (FIG. F)

of the battery please refer to the instruction manual.

The battery charger has a safeguard that triggers in the case

of:

WARNING: SEALED BATTERIES

- Overload (excessive current supplied to the battery).

- Short circuit (charge clamps in contact with one another).

If it is necessary to charge this type of battery take

- Polarity inversion on battery terminals.

great care. Charge slowly keeping an eye on the voltage

- For appliances fitted with fuses, if the fuses have to be

over the battery terminals. This voltage can be read

replaced always use the same kind of fuse with the same

easily using a normal tester and when it reaches 14.4V

rated size.

for 12V batteries (7.2V for 6V batteries and 28.8V for 24V

batteries) we recommend terminating the charging

WARNING: If the replacement fuse has a different

process.

size from that shown on the rating plate it could cause

damage to people or property. For the same reason,

Simultaneous charging of several batteries

never ever replace the fuse with a bridge in copper or

This operation must be performed with great caution:

other material.

WARNING; do not simultaneously charge different types of

The power supply cable should always be

batteries or batteries with different capacities or levels of

DISCONNECTED from the mains supply while the fuse is

discharge.

being changed.

If you have to charge more than one battery at the same time

you can connect them “in series” or “in parallel”. Between the

6. USEFUL ADVICE

two systems, we recommend connection in series because

- If the positive and negative terminals are incrusted with

you can easily check the current charging each battery, as it

oxide, clean them to ensure good contacts with the

will be the same as that shown by the ammeter.

clamps.

- Never ever allow the two clamps to come into contact when

NOTE: When connecting two batteries in series with nominal

the battery charger is connected to the mains. In this case

voltages of 12V, we recommend setting the 12V/24V switch

the fuse will blow.

to 24V, if present.

- If the battery, to which this battery charger is to be

FIG.D

connected, is permanently installed in the vehicle, also

consult the vehicle manufacturer's user's and

END OF CHARGE

maintenance handbook under the “ELECTRICAL

- Remove the power supply from the battery charger by

SYSTEM” or “MAINTENANCE” section. Before starting to

turning the switch to OFF (if present) and/or removing the

charge, it is always better to disconnect the positive cable

power supply cable from the mains outlet.

that is part of the vehicle's electrical system.

- Disconnect the black charge clamp from the chassis of the

- Check the battery voltage before connecting the battery

vehicle or from the negative terminal of the battery (-

charger; remember that 3 caps mean a 6 Volt battery, and

symbol).

6 caps mean 12 Volts. In some cases there may be two 12

- Disconnect the red charge clamp from the positive

volt batteries in series; in such a case you need 24 Volts to

terminal of the battery (+ symbol).

charge both accumulators. Make sure they have the same

- Store the battery charger in a dry place.

properties in order to prevent unbalanced charging.

- Close up the battery cells with the appropriate plugs (if

- Before proceeding with starting, carry out a rapid charge

present).

for a few minutes: this will limit the starting current, hence

also requiring less mains current. Before starting the

STARTING

vehicle, remember to make sure the battery is connected

Before starting the vehicle, make sure the battery is

properly to the respective (+ and -) terminals, and that it is

connected properly to the respective (+ and -) terminals,

in good condition (not sulphated or dud).

and that it is in good condition (not sulphated or dud).

Never ever start vehicles with the batteries disconnected

Never ever start vehicles with the batteries

from their respective terminals; the presence of the battery

disconnected from their respective terminals; the

is essential for the elimination of possible overvoltage that

presence of the battery is essential for the elimination of

may be generated due to energy accumulating in the

possible overvoltage that may be generated due to

connection cables at the starting stage.

energy accumulating in the connection cables at the

- If the engine does not start, do not insist, but wait a few

- 3 -

I turned on my Telwin 400 charger. It went on for about 5 seconds and switched off. It won't start again. Can anyone help?
Submitted on 8-4-2022 at 01:35
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I switched on the Telwin Leader 400 charger after starting up my generator. The charger started up making a noise for about 5 seconds and then switched off. Now it will not go back on. Have I blown a fuse? Submitted on 8-4-2022 at 01:20
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Telwin LEADER 400 START Manual

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