Bedienungsanleitung Tecmate ACCUMATE PRO (Seite 3 von 12) (Englisch, Französisch, Spanisch)

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LED indicator information panel

Models without 12/24V selection switch have no 24V selection LED.

Charging procedure

For chargers with 12V/24V selectable output first make sure whether the battery to be charged is a 12V battery

(6 cells) or a 24V battery (12 cells or 2 x 12V batteries connected in series) and place the small charging out-

put voltage selection switch in the correct position, refer to the above panel. It is essential to do this before

making any battery or AC mains connections.Consult a specialist if unsure.

2) Distance the charger from the battery as far as reasonably possible to avoid any possible acid vapour damage to the

charger. Connect the charger to the battery :RED clamp to POSITIVE (POS, P, +) terminal and BLACK clamp to NEGATIVE

(NEG,N,-) terminal.

Connect the charger to a mains supply socket providing AC supply of 110 to 120V.The «POWER ON» LED (this LED

serves also as the charging output voltage selection for the 12V/24V model) should illuminate. If not, check your AC

supply connections.

4) Once all connections are correct,the yellow «BULK» charging LED should light, even if only briefly, together with the

«POWER ON» LED.When the battery is close to being fully charged, the green ABSORB LED will light.A battery already

fully charged or badly sulfated or damaged when connected will cause the green «MAINTAIN» LED to light immediately

when the charger is activated.

NOTE :If the battery connections are inverted,or if the initial battery voltage is below 2V for a 12V battery or below 4V for

a 24V (or 2 x 12V series connected) battery, charging will not start and only the «POWER ON» LED will light.Otherwise,for

as long as the charger is connected to AC supply and battery, the status and condition will be indicated by a LED as per

panel above.

The charger will automatically charge, then maintain the battery very close to fully charged unless the battery is

defective.During the BULK CHARGING cycle («BULK» LED) the battery is charged at the maximum constant current output

until the monitored voltage rises to 14,4V (at 20°C or 68°F) for 12V charging,or 28,8V for 24 Volts.The «ABSORB» LED

now lights and charging then changes automatically to ‘float’ mode,with the voltage limited at 14,4V (12V charging),or

28,8V (24V),so that the continuously monitored current will gradually reduce.When the current falls to a sixth of the rated

charging current,the charging voltage is then limited to 13,7V (at 20°C or 68°F) for 12V charging,(27,4V for 24V) and the

«MAINTAIN» LED will indicate the battery is ready for use. For as long as the charger remains connected it will continue

to maintain the battery with a charge voltage limited at 13,7V (27,4V for 24V),thus allowing the battery to draw a small

current to compensate for any slight discharge,whether self-discharge or due to any alarm system or other current loss

in the vehicle or other circuit.

Should any factor place a load on the battery such that the battery’s need for charging exceeds a sixth of the rated

current,the circuit will automatically revert to the «ABSORB» cycle.The maximum constant current will be applied if the

battery voltage reduces below the constant voltage parameters set for the «ABSORB» cycle.The charging program will

again proceed to the «MAINTAIN» cycle once the current reduces below a sixth of the maximum current.

7) Disconnect the AC mains before disconnecting the battery connections.The circuit will instantly disable the charging

output on disconnection of the battery, in any event.

8) Refer to the following section on application hints and interpretation of LED indications to obtain the most effective use

of this advanced charger.

APPLICATION HINTS AND INTERPRETATION OF ‘LED’ INDICATIONS OF BATTERY STATUS

General hints :

this charger has been designed to charge lead-acid batteries that have been discharged during normal

operation and that have not been damaged through extended non-use,physical misuse or internal defects. Non-use of a

battery for an extended period during which the battery is left to self-discharge without being re-charged causes internal

chemical change (‘sulfation’) which may be irreversible. Failure to maintain the correct electrolite levels within batteries

requiring occasional topping up with distilled water is also likely to result in irreversible battery damage.

All unused batteries will maintain their charge best when stored in a cold or cool environment (but do not freeze).

The warmer the surroundings the faster the battery will self-discharge.

(yellow) (green) (green)

Bulk charging

stage

Absorption stage

to assure

full charge

Float charge mode.

Battery charged

and ready

Power on,

24V battery

selection

Power on,

12V battery

selection

24V

12V

POWER

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