User manual

14
© 2006, Elektro-Automatik GmbH & Co. KG
Irrtümer und Änderungen vorbehalten
EN
© 2009, Elektro-Automatik GmbH & Co. KG
General
Introduction
The microcontroller controlled battery chargers of the
BC 800 R series are designed for wall mount and work
with an airow based cooling.
They are intended to charge different type of lead
batteries. The three-stage, temperature compensating
charging procedure allows fast, complete and careful
charging of the batteries.
Furthermore, the devices feature a power supply mode
where the output voltage becomes adjustable.
The power output is protected against false polarity
connection, is short-circuit-proof and overload-proof.
For protection of the loads, the devices also feature an
overvoltage protection (OVP). At an overtemperature
(OT) event, the power output will be switched off until
the unit has cooled down and automatically switch on
again.
Visual check
After receipt, the unit has to be checked for signs of phy-
sical damage. If any damage is found, the unit may not
be operated. Also contact your dealer immediately.
Replacing the internal fuse
Applies to models except BC 812-40, Its fuse is located
in a fuse holder on the front.
The main fuse is located inside the device. Before ope-
ning the device, completely disconnect it from mains.
Working on the open device must only be done by
trained technical personnel which is instructed about
the dangers and safety regulations.
In order to replace the fuse, unscrew the front cover
plate and remove it precautiously. The fuse is located
on the main PCB, on the left-hand side.
Scope of delivery
1 x Battery charger unit
1 x Printed user manual
1 x Mains connector
1 x Temperature sensor LM335Z (10mV/K)
Installation
Mounting
The device is designed for wall mount. It is required to
mount it in a way that allows unimpeded air ow through
the ventilation slots. Take care for plenty of space (at
least 15cm) below and above the device in order to
ensure proper cooling.
Mains connection
All models are equipped with an active PFC (power
factor correction) and a wide range input. It can be
operated at AC input voltages from 90V to 264V and
mains frequencies of 45Hz up to 65Hz.
The connection is done with the included 3pole plug
(Phoenix Combicon GMSTB 2,5/3-ST-7,62) according
to the print on the front plate. It must only be carried
out by trained technical personnel. Main focus lies on
an appropriate cross section of the mains lead, as well
as the fact that the device does not feature a power
switch. The mains input is fused by a standard 5x20mm
fuse which is located inside the unit.
Functional description
Battery types
The battery chargers can be used to charge different
types of lead batteries, as for example lead-acid, gel
cell or AGM type. Any of the battery types are charged
according to a three-stage, temperature compensating
(only with temperature sensor connected) charging
procedure. The battery type can be selected by a push-
button on the front panel. The related charging proles
mainly differ in the cell voltage (see table below).
Charging procedure
Attention! Defective batteries (U
BatAct
= <0.2 x U
BatNom
)
can not be charged!
The charging procedure follows an I-U-U characteris-
tics.
The rst phase of the charging stage 1 is a precharge
phase with reduced output current (0.1 x I
Nom
). The
precharge is very effective on deeply discharged batte-
ries with U
BatAct
= >0.2 x U
BatNom
, providing the possibility
to repair and recharge them again. As soon as the
output voltage rises to 0.9 x U
BatNom
or after a maximum
precharge time of 30 minutes, the procedure changes
to normal charge phase.
During normal charge, the battery is charged with full
output current I
Nom
(or with a reduced to 30% output
current I-Limit).
After reaching the normal charge voltage, which de-
pends on the selected battery type, or after a maximum
total of 6 hours charging time, the charging procedure
changes to boost charge.
Boost charge is done with increased charging voltage.
As soon as the charging current becomes <5% of I
Nom
or the boost charge phase time exceeds 1.5 times the
time of the normal charge phase, the charging proce-
dure changes to trickle charge.
About the device