k
TANK & BATTERYMONITOR TBM
3. AFTERWARDS INSTALLATION
IMPORTANT NOTE:
Do not insert the fuse (1A) in the red supply wire at the shunt SHA into
the fuseholder before finishing the complete installation of all components! Otherwise the
system could be damaged or even totally destroyed! Before disconnecting the plug-in clamps
of the components the fuse must first be removed.
3.1. TIP
The battery monitor TBM should be connected always to the power supply and switched on to supervise every
small amount of current, even if the system is supposed to be switched off. Often it is possible to charge the
batteries with a “switched-off” mainswitch. This current has to be recorded, otherwise the TBM is unable to
calculate the uptodate capacity.
Only during the winterstorage, if the system is totally out of service, the power supply of the TBM can be swit-
ched off. Due to the very small amount of power consumption the continuous operating isn`t a handicap for
your battery. The power consumption is 2,5mA during operation (display on). The TBM goes to sleep mode
(display off), if there is no current measured for about 24 hours. In the sleep mode the power consumption is
reduced to 0,5mA.
3.2. NECESSARY EQUIPMENT
FOLLOWING PARTS ARE NEEDED FOR THE INSTALLATION
OF THE TBM WITH SHUNT:
x an active shunt Type SHA 150, 300 or 600
x a battery cable, which is as short as possible, to connect the shunt and the negative pole of the main battery
leads. The cross section of this cable should be usually 35 to 70 mm².
x in case the distance between battery monitor TBM and shunt is longer than 5m, a shielded cable
5x0,25mm² or the optional 10m-cable is required
3.3. INSTALLATION AND CONNECTION
Install the active shunt SHA as close as possible at the service battery. Avoid however that the shunt has
contact with the plus - connection of the batteries. Connect the B- marked side of the shunt with the minus
connection of the main battery by a short, thick cable (35-70mm²).
Connect the negative pole of the up to two starting batteries with the other side of the shunt.
Note: If the main battery consists of several parallel switched batteries, then their negative poles must all be
attached to the side marked B- of the shunt. The negative cables of the starting batteries are
attached at the other side (V -) shunt. We recommend all minus connections of the consumers and charging
units and the negative poles of the starting batteries on a mass bus bar and to put from there
a short line into the V- connection of the shunt.
- Connect the red measuring and supply line of the shunt with the in-line switch to the positive terminal of the
Page 6 V1.1 - May 2010
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