GRAUPNER TURBOMAT 4 Owner's manual

GRAUPNER
Brand
GRAUPNER
Model
TURBOMAT 4
Category
Battery chargers
Type
Owner's manual
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Order No. 6420
Operating instructions
TURBOMAT 4
Congratulations on your choice of this modern, advanced, lightweight and easy-to-use battery charger!
Please read right through these instructions before you use the charger for the first time, and above all observe the safety
notes. If you ever dispose of the equipment be sure to pass on these instructions to the new owner.
Application
This charger may only be used for the purpose for which the manufacturer designed it, i.e. for charging Nickel-Cadmium
(NiCd) batteries from a 12 V car battery. No other usage is permissible. The unit is designed for negative earth vehicles, i.e.
vehicles in which the negative battery terminal is earthed to the bodywork.
Safety notes
••
••
• The charger must be used with the original cables supplied. The charge outputs and connecting leads must not be modified,
extended, connected to each other in any way, nor be wound or coiled up when the charger is in use. Protect the charger
from direct sunshine, dust, damp and rain.
••
••
• Avoid short-circuits between the connectors, the charge sockets and the car bodywork, as the unit is not protected against
such misuse.
••
••
• This charger is designed exclusively for use with a 12 V car battery. Before you connect it to the car battery the car’s engine
must be stopped, and it must not be started again while the charger is still connected. The
car battery must not be connected
a car battery charger at the same time as the Turbomat 4 is connected to it.
••
••
• Check the charger at regular intervals for damage to cables, connectors, case etc. If you find a fault or damage, do not use
the charger again.
••
••
• The charge leads to the NC battery should be no more than 25 cm in length.
••
••
• The charger and the battery to be charged should be set up on a heat-resistant, non-inflammable surface before use. Keep
all inflammable and volatile materials well clear of the charging area. The charger must not be left to work unsupervised.
••
••
• The following types of battery must not be connected to the charger:
Faulty or damaged cells or packs;
Batteries consisting of parallel-wired cells, mixtures of different cell types, mixtures of old and new cells, or cells of different
makes.
Non-rechargeable batteries (dry cells). Caution: explosion hazard!
Batteries which are not expressly stated by the manufacturer as suitable for the high charge currents which this charger will
produce during the charge process.
Packs which are already fully charged or hot, or not fully discharged.
Batteries fitted with an integral charging or charge termination circuit.
Batteries installed in a device, or which are electrically connected to other components when on charge.
••
••
• The charger develops considerable heat when working. The aluminium ribs on the case are designed to cool the unit, and
must not be covered or obstructed in any way. Ensure that heat can dissipate freely, and leave the unit to cool down for a
while at the end of each rapid-charge process.
••
••
• The 4 A charge current stage may only be used for 6-cell and 7-cell NC packs.
••
••
• Before charging check the following point: are all connections in good order (no intermittent contacts)?
Please bear in mind that rapid-charging NC batteries may be dangerous.
The charger is suitable for charging the following types of battery:
NC packs (AE, AEL, AR, CUP, DRL, KR, RC, RS, RSE, RSH, SC, SCE, SCR) with a capacity of 0.5 - 2 Ah. These nickel-
cadmium batteries feature a gas-tight seal and have proved excellent for all uses in RC modelling. The number before the
slash (/) indicates the number of cells, and allows you to calculate the pack’s voltage (single cell = 1.2 V); the number after the
slash indicates the capacity in Ah (or mAh). For example: 6/RSH 1.2: voltage = 6 x 1.2 V = 7.2 V, capacity 1.2 Ah.
Note
Read the instructions supplied by the battery manufacturer regarding charging, and keep to the charge currents and charge
times recommended. Never attempt to rapid-charge a battery unless the manufacturer explicitly states that it is suitable for a
high charge current.
Please remember that new batteries do not reach their full capacity until they have undergone several charge / discharge
cycles, and with new packs you may find that the charger terminates the charge prematurely. It is up to you to check that the
Turbomat 4’s automatic charge termination circuit works correctly with your batteries, and that the pack is actually fully
charged before you use it.
Charge adaptor
The charge adaptor supplied should be clamped to the screw terminals which you will find on the side of the charger, marked
AUS (OUT) +, AUS (OUT) -. Take care to maintain correct polarity: red = positive terminal (AUS +), black = negative terminal
(AUS -).
If the connector on the charge adaptor does not match that on your battery, then you can easily make a new one from any
Graupner charge lead by cutting it down to a length of no more than about 80 mm. Suitable cables include: Order No. 3011 (G2
connector), Order No. 2984 (G2.5 connector), Order No. 3036 (G4 connector), Order No. 3049 (MG6 connector), Order No.
3619 (AMP connector). Always use exactly matching connectors, i.e. of the same type and make as fitted to your batteries.
The charger in use:
1. Connect the charger to a 12 V car cigarette lighter socket using the terminal connector supplied as standard. Connect the
clips quickly and confidently. The yellow LED (ready) will glow to indicate that the charger is ready for work.
2. Set the charge current selector switch to the appropriate charge current setting for the battery to be charged.
Caution: The 4 A current setting may only be used with 6-cell and 7-cell NC packs. Never charge a 4-cell or 5-cell pack at
4 A; the charger will overheat and be irreparably damaged.
3. Connect the pack to be charged to the charge adaptor. The green monitor LED (normal) will glow.
4a. NORMAL CHARGING: if the green monitor lamp (normal) glows, the battery is already being charged at a low trickle
current (pulsed charge). In this state the unit will
not switch off automatically, and the charge process must be interrupted
manually at the correct time by unplugging the pack from the charger. The charge time required is found using the following
formula:
Charge time (in hours) =
Battery capacity (in mAh) x 1.4
4b. RAPID CHARGING: Press the START button and hold it pressed in for at least 5 seconds. The rapid charge process
starts, the red monitor LED (fast) lights up. As soon as the battery is fully charged, the Turbomat 4 automatically breaks off
the rapid charge process and the red LED goes out. The NC pack is now kept fully charged with a low trickle current
(pulsed charge). You can disconnect the battery from the charger.
5. Always disconnect the charger from the car battery after use.
Fuse
The charger is protected against incorrect polarity and short-circuit by a standard 10 A car fuse. If the fuse should burn out be
sure to replace it with a similar unit of the same type and the same (10 A) rating. Never repair the fuse by bridging (by-passing)
the contacts.
Using the charger via a car cigarette lighter socket
If your car is fitted with a cigarette lighter socket, you can connect the charger to it directly.
Before you do this please ensure that your cigarette lighter socket can cope with currents of up to 6 A. You will find this
information in the operating manual supplied with your car. This method of powering the charger has the advantage that it is
virtually impossible to connect it with reverse polarity.
Caution: to avoid damage the charger and the battery to be charged should never be placed on a car seat or other delicate
surface.
Liability exclusion
We at GRAUPNER have no control over the way you install, use and maintain this battery charger, nor whether you keep to
the operating instructions. For this reason GRAUPNER accepts no liability whatever for injury, damage to property or financial
loss which result from the incorrect or improper use of this charger, or are connected with it in any way.
Specification
Charge current source : 12 V car battery, min. capacity 20 Ah
Max. current drain approx. : 6 A
Charge currents : 1.2 A (4 - 7 NC cells), 4 A (6 - 7 NC cells only) *
Trickle charge current approx. : 350 mA **
Battery voltage : 4 - 7 cells (4.8 - 8.4 V)
Weight approx. : 165 g
Dimensions : 107 x 62 x 25 mm
NC battery capacity : 500 - 2000 mAh
* The actual charge current may vary from the nominal value according to the number of cells, the size of the pack, the pack’s
state of charge and the car battery voltage.
** Average charge current; this value should be used when calculating the charge time for manual charge processes.
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM-TECK GERMANY
Liability for printing errors excluded. We reserve the right to introduce modifications.
11/98
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GRAUPNER TURBOMAT 4 Owner's manual

GRAUPNER
Brand
GRAUPNER
Model
TURBOMAT 4
Category
Battery chargers
Type
Owner's manual
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