Hartenberger Nano compact Instructions For Use Manual page 17

Underwater hand lamp

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Instructions for use Hartenberger High-Tech-UW-Lamp nano compact

features of individual cells within the cell pack, thus causing an unbalance

within the cell pack that in turn may cause the weakest (and therefore the

most susceptible) cell to fail prematurely. The more often the cell pack is

discharged to the pint where the discharge protection cuts in, the greater

the chance that an individual cell will fail within the cell pack.

PREPARATION FOR CHARGING

There are two methods for charging the lamp.

I. INTERNAL CHARGING CONNECTION

The charging connection is located on the cell pack, the cell pack must be

removed for charging.

This is the preferred method of charging as the cell pack can be seen and

monitored during the charging process.

Open the rear cover on the lamp housing and remove the power pack (see

page 10).

The charging connections are marked with + (red/right contact) and – (blue/left

contact).

Charge the cell pack in a cool dry environment (ideally 10-20° C / 50 – 68° F). The

ambient temperature should never exceed 40° C (104° F ). If the cell pack is warm

to touch (above 40° C / 104° F) then allow the cell p ack to cool down before

charging.

Warning !

The charging process requires a mains power supply socket close to the

cell pack and the cell pack should be placed on a dry surface that is not

sensitive. (Even gas tight lithium manganese cells may leak under certain

conditions, this leakage may cause damage to the surface the cell pack is

placed on).

Note that a defective electronic module may cause the lamp to turn on

during charging. Damage to adjacent material caused by the resulting heat

generated by the halogen bulb must be avoided. For this reason we

recommend that the halogen bulb is removed during charging.

Warning !

Check the condition of the charging sockets and cell pack regularly and

examine for signs of corrosion, oxidation of leakage. Examine the sleeves

surrounding the cells for signs of bubbling or traces of a white, floury

residue between the cells in the cell pack. In any of the above conditions

are found, do not charge the cell pack ! Return the lamp to the manufacturer

for evaluation, pack the cell pack and the housing separately.

Warning !

The temperature of the individual cells should also be checked regularly by

feeling the temperature during charging. If one or more cells is hot to touch

then this may indicate a defective cell or cell pack. Do not use this cell

pack, return it to the manufacturer for evaluation or replace the cell pack

with a new one.

II. EXTERNAL CHARGING CONNECTION

The charging connection is on the outside of the housing, the cell pack remains in

the lamp housing during charging.

This method of charging is advantageous when the ambient conditions are

unsuitable for opening the housing, the cell pack is charged via the external

connections located on the rear of the housing.

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