Manual Telwin NEVATRONIC 12 (page 2 of 36) (All languages)

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YELLOW LED - Charging in progress.

INSTRUCTION MANUAL

GREEN LED - End of charging.

GREEN LED - Correct power supply.

WARNING: BEFORE USING THE BATTERY CHARGER

READ THE INSTRUCTION MANUAL CAREFULLY.

4. INSTALLATION

POSITIONING THE BATTERY CHARGER

- During operation, position the battery charger on a stable

1. GENERAL SAFETY RULES WHEN USING THIS

surface and make sure that there is no obstruction to air

BATTERY CHARGER

passage through the openings provided to ensure

sufficient ventilation.

- During the charge the battery produces explosive gases,

CONNECTION TO POWER

avoid the formation of flames and sparkes. DO NOT

- The battery charger should be connected only and

SMOKE.

exclusively to a power source with the neutral lead

- Position the batteries to be charged in a well-ventilated

connected to earth.

place.

Check that the net voltage is the same as the voltage of the

equipment.

- Check that the power supply is protected by systems as

fuses or automatic switches, sufficient to support the

- Inexperience and untrained people should be properly

maximum absorption of welding.

instructed before using the appliance.

- If you put an extension to the primary cable, the diameter

- People (children included) whose physical, sensory or

must be the same, never inferior.

mental capacities would prevent them from using the

- The connection to the power has to be made using the

appliance correctly must be supervised by a person

cable.

who is responsible for their safety while the appliance

is in use.

5. OPERATION

- Children must be supervised to ensure that they do

BEFORE CHARGING

not play with the appliance.

NB: Before charging check that the capacity of the

- Use the battery charger only indoors and make sure that

battery (Ah) which is to be charged, is not inferior to that

you start it in airy places. DO NOT SET IN THE RAIN OR

reported on the data table. (C min).

SNOW.

Follow the instructions, taking great care to respect the

- Disconnect the mains cable before connecting to or

order given below.

disconnecting the charging cables from the battery.

- Remove the caps of the battery charger (if foreseen) so as

- Do not connect or disconnect the clamps to or from the

to let the gas produced go out.

battery with the battery charger operating.

- Check that the level of the electrolyte covers the plates of

- Never use the battery charger inside the car or in the

the battery. If these were not covered add distilled water

bonnet.

and cover them up to 5-10 mm.

- Substitute the mains cable only with an original one.

- Do not use the battery charger to charge batteries which

WARNING: USE THE MAXIMUM CAUTION DURING

are not rechargeable.

THIS OPERATION AS THE ELECTROLYTE IS A HIGHLY

- Make sure the available power supply voltage

corresponds to that shown on the battery charger rating

CORROSIVE ACID.

- With the power supply cable disconnected from the power

plate.

- To avoid damaging the vehicle's electronics, read, keep

outlet, position the 6/12 V or 12/24 V charge switch (if

and take very careful note of the information supplied by

present) according to the rated voltage of the battery to be

the vehicle manufacturer, when using the battery charger

charged.

- Check the polarities of the battery terminals: positive for

either for charging or starting; the same applies to the

the + symbol and negative for the - symbol.

instructions supplied by the battery manufacturer.

NOTE: if the symbols are indistinguishable remember that

- This battery charger has components such as switches

the positive terminal is the one not connected to the

and relays which can cause arcs or sparks. Therefore

vehicle chassis.

when using it in a garage or in a similar place set the

- Connect the red charge clamp to the positive terminal of

battery charger in a suitable case.

the battery ( + symbol).

- Repair or maintenance of the inside of the battery charger

- Connect the black charge clamp to the vehicle chassis, at

can be executed only by skilled technicians.

a safe distance from the battery and the fuel pipe.

- WARNING: ALWAYS DISCONNECT THE POWER

NOTE: if the battery is not installed in the vehicle, connect

SUPPLY CABLE FROM THE MAINS BEFORE

the clamp directly to the negative terminal of the battery (-

CARRYING OUT ANY SIMPLE MAINTENANCE

symbol).

OPERATION ON THE BATTERY CHARGER.

CHARGE

2. I N T R O D U C T I O N A N D G E N E R A L

- Power the battery charger by inserting the power supply

DESCRIPTION

cable into the power outlet and turning the switch (if

- This battery charger can be used to charge free electrolyte

present) to ON.

lead acid batteries used on petrol and diesel engine

During this phase the battery charger will constantly

vehicles, motor cycles, boats etc. and is suitable for

monitor the voltage at the ends of the battery,

charging sealed batteries.

automatically delivering or cutting off when necessary the

- Rechargeable batteries according to the output voltage

battery charging current. The set of leds on the equipment

available: 6V / 3 cells; 12V / 6 cells; 24V / 12 cells.

will display the battery loading status.

- The charging current delivered by the battery decreases

according to the characteristic W bend - see the DIN

END OF CHARGE

41774 norm.

- Remove the power supply from the battery charger by

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

3. DESCRIPTION OF THE BATTERY CHARGER

power supply cable from the mains outlet.

Control, adjustment and indicator devices.

- Disconnect the black charge clamp from the chassis of the

vehicle or from the negative terminal of the battery (-

symbol).

RED LED - Polarity inverted. Danger!!!

- 2 -

Only the the power supply light comes on on my charger and it’s not charging or trickle charging any ideas or is it time for a new charger. Submitted on 18-1-2022 at 00:32
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Telwin NEVATRONIC 12 Manual

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