Description:
The Battery Guard (hereafter BG) is an intelligent, fully waterproof, battery guard with expansion
capabilities for an on/o switch, alarm buzzer or relay and our Battery Watch (not supplied). To
ensure low losses, the BG is provided with two screw terminals, one Input + and one Output +. The
rest, like the minus and the accessories are connected via four 6.3 mm faston connectors. The LED
indicates the output status (on/o) of the BG and in the programming mode the LED indicates the
program position. The BG is provided with an‘Automatic board system detection’ with which the BG
automatically detects what the battery voltage (12V or 24V) of the system is, so that is does not need
to be set manually. Both under and over voltage thresholds can be easily programmed.
Installation:
Mount the BG on a cooling (metal) surface so that it can release the developed heat. Connect the
BG as close as possible to the battery (maximum distance: 50cm). This way can the voltage can be
monitored exactly. Any programming of the BG must take place before the equipment (users) can be
connected. For the minus connection use a cable of 1.5mm2which goes directly from the battery to
the BG and do not use this connection for anything else.
Warnings:
• The product should only be connected by skilled tters / mechanics, which are aware of the
regulations for working with high battery voltages.
• Live parts must not come into contact with the housing of the BG.
• Use of bad material and / or too thin wires can damage the BG.
• A short circuit between the positive and negative terminals of the battery may cause severe
damage to your system.
• Always use fuses (of the correct value).
Operation:
In the standard programming (position 11 in the “Conguration Table”) a buzzer may be connected
to the alarm output. This will sound an alarm after 15 seconds when there is under voltage. If the
situation does not change, the BG will turn o attached devices after 60 seconds and the alarm
will be switched o. Since with over voltage there is a risk of damage to the connected equipment
this will be switched o immediately when there is over voltage (16/32V) and the alarm output will
pulsate. This is done to distinguish between an under voltage alarm and an over voltage alarm.
A second application is to connect a relay to the alarm output. The BG must then be programmed in
position 12 (see “Programming”). The relay will switch on during an alarm and only switch o when
reaching the reset value of the under voltage. The relay can thus be used to activate a charger or
generator.
Remote ON / OFF
You can connect a switch to the OFF terminal of the BG. If the OFF terminal is connected to the Minus
the BG will immediately switch o the attached devices. If the switch is opened again, the BG will
switch on again after about 5 seconds. Since the current through the switch is zero (<10mA) a small
switch can be used.
Battery Watch (optional)
As can be seen in the connection diagram, there may be an optional Battery Watch connected. This is
a simple battery status monitor which, by means of 3 LEDs, indicates the status of the battery. Please
contact your dealer.
Programming:
To start the programming mode a connection must be made between the Program Input and Input+.
The LED will ash. The number of ashes indicates the program position (see table on back) that the
BG is in. As soon as the desired program position is reached the connection (between the Program
Input and the Input+) must be broken. As conrmation the BG will repeat the number of ashes. If it
does not match your selection, you can repeat the steps.
There are two types of settings that can be applied. Positions 1 to 10 adjust the threshold and reset
values for an under voltage alarm and the operation of the alarm can be set with positions 11 and 12.
These settings must be made separately (one after another).
When removing the battery voltage and programmed positions remain retained. Once the
programming is complete, the equipment can be connected. First disconnect the battery connection,
connect the equipment to the Output+ and then reconnect the battery.
Note: Before programming rst disconnect the equipment from the BG.
BATTERY GUARD 40 / 60 / 200 OWNERS MANUAL
EN-LBC1224-40
EN-LBC1224-60
EN-LBC1224-200
Unit 11, 1029 Manly Road Tingalpa, Queensland, Australia 4173 Ph: 1300 851 535 / Fax: 07 3390 6911 Email: sales@enerdrive.com.au | Web: www.enerdrive.com.au
Alarm function
Position 11* Normal alarm
Position 12 Relay function
24 Volt mode
Under voltage Reset
Position 1* 21 V 24V
Position 2 20 V 23 V
Position 3 19 V 23 V
Position 4 22.5 V 26.5 V
Position 5 23 V 27.6 V
Position 6 21 V 25.6 V
Position 7 23 V 25.6 V
Position 8 23.6 V 25.6 V
Position 9 24 V 26 V
Position 10 20 V 26.4 V
* Default settings.
Normal alarm:- Alarm output is activated in case of
emergency: deactivation after 1 minute.
Relay function:- Alarm is activated in case of emergency:
deactivation upon reaching the reset voltage.
12 Volt mode
Under voltage Reset
Position 1* 10.5 V 12 V
Position 2 10 V 11.5 V
Position 3 9.5 V 11.5 V
Position 4 11.25 V 13.25 V
Position 5 11.5 V 13.8 V
Position 6 10.5 V 12.8 V
Position 7 11.5 V 12.8 V
Position 8 11.8 V 12.8 V
Position 9 12 V 13 V
Position 10 10 V 13.2 V
Alarm function
Position 11* Normal alarm
Position 12 Relay function
Conguration Table
READ THE OWNERS MANUAL CAREFULLY BEFORE INSTALLING BATTERY GUARD
