Bedienungsanleitung Graupner Ultramat 17 (Seite 21 von 33) (Deutsch, Englisch, Französisch)

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ï Protect batteries from vibration, and do not subject them to mechanical stress or shock.

ï Batteries can generate explosive gas (hydrogen) when on charge and when being discharged, so it

is important to provide good ventilation

ï Do not allow batteries to come into contact with water - explosion hazard.

ï Never short-circuit battery contacts - explosion hazard.

ï Do not open battery cells - corrosion hazard.

ï It is best to “balance”, or even up, the cells in NiCd and NiMH battery packs by first discharging all the

cells separately and then charging up the pack. Individual cells can be discharged using the charger

or they can be by “bridged” using a 100 Ohm resistor over each individual cell in the pack.

ï Please don’t be surprised if your batteries are not as willing to accept charge in Winter as in Summer.

The ability of a cold cell to accept and store charge is much lower than that of a warm one.

Battery disposal: exhausted batteries are not ordinary household waste, and you must not dispose of

them in the domestic rubbish. The retail outlet where you purchase your batteries should have a

battery recycling container for proper disposal. Trade outlets are obliged by law to accept exhausted

batteries for disposal.

19. Specification

Akku

Charge current / charge power 100 mA to 5.0 A / max. 90 W

Discharge currents / discharge power 100 mA to 3 A / max. 20 W

Ni-Cd & NiMH batteries:

Cell count 1 - 25 cells

Capacity min. 0.1 Ah up to 4,0 Ah

Lithium batteries:

Cell count 1 - 7 cells

Battery cell voltage 3,6 V (LiIo) or 3,7 V (LiPo)

Capacity min. 0,2 Ah

Lead-acid batteries:

Cell count 1, 3, 6, 12 cells

Battery voltage 2, 6, 12, 24 V

Capacity min. 1 Ah

Charge current 100 mA to 5.0 A

Trickle charge current 50 - 250 mA

General:

Operating voltage range 11.0 to 15 V

Car battery 12 V, min. 30 Ah

Power supply 12-14V, min. 12 A stab.

No-load current drain approx. 120 mA

Low-voltage cut-off approx. 11.8 / 10.5 V

Weight approx. 520 g

Dimensions approx. (W x D x H) 130 x 113 x 40 mm

All data assume a car battery voltage of 12.7 V.

The stated values are guidelines, and may vary according to battery state, temperature etc.

GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY

No liability for printing errors. We reserve the right to introduce modifications.

The charger is entirely maintenance-free in use, and requires no maintenance of any kind. However, it

is in your own interests to protect the unit from dust, dirt and damp.

To clean the charger disconnect it from the car battery and any other battery, and wipe it clean with a dry

cloth (don’t use cleaning agents!).

17. Cleaning and maintenance

___________ _____

*****ERROR *****

contact break

___________ _____

*****ERROR *****

time limit over

18. Notes on handling rechargeable batteries

ï Charging single NiCd or NiMH cells, and packs consisting of 1 ... 4 cells, presents the automatic

charge termination circuit with a difficult task. The voltage peak is quite small in such cases, and it

cannot be guaranteed that the cut-off circuit will work reliably. The automatic circuit may not be trigge-

red, or may not terminate at the correct time. For this reason it is important to carry out a series of

monitored test charge processes with single cells or small packs in order to establish whether the

charge is terminated reliably.

ï Warm batteries offer much higher performance than cold ones, so don’t be surprised if your batteries

don’t seem so effective in the Winter.

ï Overcharging and deep-discharging batteries leads to irreparable damage to the cells, and perma-

nently reduces their maximum performance and effective capacity.

ï Never store batteries for a long time in an uncharged, discharged or part-charged state. Before storing

your batteries charge them up and check their state of charge from time to time.

ï When purchasing batteries we recommend that you only buy good quality products. Start by char-

ging new packs at low rates, and work up gradually towards higher currents.

ï Batteries should not be charged up until shortly before use, as they are then able to give you their

best performance.

ï Do not solder directly to battery cells. The temperatures which occur during soldering can easily

damage the seals and safety valves of the cells. If this should happen, the battery may lose electro-

lyte or dry out, and some of its potential performance will be lost.

ï Charging and discharging any battery at high currents shortens the life expectancy of the pack. Don’t

exceed the maximum values stated by the manufacturer.

ï Overcharging inevitably reduces the capacity of the battery, so do not recharge a hot battery, or one

which has already been charged.

ï Lead-acid batteries are not capable of being charged at high currents. Never exceed the charge

currents stated by the battery manufacturer.

If the charger detects an interruption of the connection bet-

ween battery and charger during a charge / discharge pro-

cess, the screen displays this error message.

If you see this error message when the charger is in use, it

may indicate an intermittent contact.

Note: the same error mes-

sage also appears if you deliberately break off the charge pro-

cess, e.g. by disconnecting the charge lead.

If a charge process continues to the end of the safety charge

timer period, the process is shut down in the interests of safety.

Possible causes: charge current too low - battery not fully char-

ged; charge leads too thin and/or too long - charge current

cannot be raised to sufficient level, battery capacity too great.

___________ _____

*****ERROR *****

wrong polarity

This warning message is displayed if the unit’s charge outputs

are connected to a battery with incorrect polarity.

Graupner Ultramat 17 Seite 21

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