4
020565.01
Series-parallel switch BP3008
ENGLISH
1
Introduction
By installing the series-parallel switch:
- the 2 battery sets (24 Volt, 2 x 12 Volt) are connected in series to
supply the required 48 Volts for the bow propeller while it is oper-
ating
- the 2 battery sets (24 Volt, 2 x 12 Volt) are connected in parallel to
the 24 Volt charging system while charging.
The series-parallel switch is designed to allow a simple connection to
the VETUS 48 V bow propeller.
If an isolating switch (# 15) is fitted in the charging wire the bat-
tery sets can be separated if charging is not carried out for a long
time in order to prevent excessive discharging.
If the batteries (24 Volt) that have been installed for the bow pro-
peller are also used for other loads the following must be taken into
account: both sets of batteries will supply current to 24 Volt loads via
the charging wires and the charge current contacts of the series-par-
allel switch.
W
arning
!
The maximum continuous current through the charge current
contacts of the series-parallel switch may not be more than
100 A.
Therefore, never use these batteries as starter batteries
and never connect an anchor winch to these batteries!
2
Operating
The bow propeller can be operated as described in the ‘User
Instructions’ in Chapter ‘Use’ after installing the series-parallel switch.
The series-parallel switch operates automatically as soon as the bow
propeller is operated and then switches off with a delay afterwards.
3
Installation
W
arning
!
Disconnect all battery wires if an existing installation is to be
extended with the series-parallel switch and 2 extra batteries.
Then install the series-parallel and the batteries and wires as
described in these instructions.
Fit the series-parallel switch as close as possible to the batteries and
the bow propeller in one of the illustrated positions in order to keep
the main circuit wires as short as possible. See the wiring diagrams
for how to connect the circuit.
Batteries
Total battery capacity about 200 Ah - 48 Volt.
(E.g. 4
starter
batteries each 200 Ah - 12 Volt).
Use batteries of the same type, capacity and length of service.
Position the batteries as close as possible to the bow propeller; this
allows the main circuit wires to be kept short so that there will be
little voltage loss.
Main circuit wires
Use main circuit wires of sufficient cross-section.
A main switch and a fuse must be fitted in the + wire to the bow
propeller.
Connect the main circuit wires and make sure that the main switch
is set to ‘OFF’.
Charging wires
Use charging wires of sufficient cross-section.
Connect the charging wires.
Do not connect the alternator wire to terminal 51 on the series-par-
allel switch yet.
If the same alternator is also to be used for a battery set that is not
connected through the series-parallel switch the charging circuits
must be separated by a battery isolator.
Control wires
Only connect the control wire to the panel.
Do not connect the control wire to the bow propeller yet.
Check
After installing carry out the following checks:
- Check
once more
that all wires have been installed as shown in
the diagram!
- Use a voltmeter to check that there is a voltage of 24 Volt between
the plus (+) of battery set 1 and the minus (-) of battery set 2.
Repeat this measurement between the plus (+) of battery set 2
and the minus (-) of battery set 1.
- Switch on the control panel and operate the direction switch; the
series-parallel switch will be switched on.
Use a voltmeter to check that there is a voltage of 48 Volt between
the plus (+) of battery set 2 and the minus (-) of battery set 1.
- Connect the control wire to the bow propeller and operate the
direction switch. The relay on the bow propeller must now be
operated.
Now connect the charging wire from the alternator to terminal
51(+ALT) on the series-parallel switch, switch on the main switch
of the bow propeller and check that the bow propeller operates
properly.
4
Technical data
Contacts
: 1 x Normally open,
Max. current, continuous, not switching : 400 A
Max. current during 60 sec. : 1000 A
2 x Normally closed,
Max. charging current, continuous : 100 A
Max. charging current, intermittent at 20% duty
cycle : 150 A
Coil data
: Voltage : 24 V DC
Current : 1.2 A
