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©2009 Magnum Energy Inc.
Installation
2.4.1 ME-SBC
TM
Wiring Connections - 25 Amp
CAUTION:
Before connecting any wires, turn off any battery charger
and loads that are connected to the
battery banks that the ME-SBC
TM
will be combining.
Info:
If installing in a boat, RV or truck, ensure the conductors
passing through walls, bulkheads or other structural members are
protected to minimize insulation damage such as cha
fi
ng; which can
be caused by vibration or constant rubbing.
The ME-SBC
TM
should now be mounted if not please refer to
section 2.2
.
During installation please refer to
Figures 2-5
during the following steps:
1. Unplug the
Power Terminal Block
from ME-SBC
TM
and ensure the open-
ings are unscrewed enough to allow the wires to be inserted.
2. Select and connect an appropriately sized red wire
1
from terminal
#1
- MAIN POS (+)
on the
Power Terminal Block
to the positive terminal of
the
Main Battery
.
3. Select and Connect an appropriately sized red wire with a white stripe
1
from terminal
#2 - AUX POS (+)
on the Power Terminal Block to the positive
terminal of the Auxiliary Battery.
4. Select and connect an appropriately sized a black wire
1
from terminal
#3
- COM NEG (-)
on the
Power Terminal Block
to the Negative bus-bar or
vehicle chassis.
Info:
The Negative busbar must connect the negative terminals on
the
Main and Auxiliary Batteries
together.
5. When all the connections are made and checked, plug the
Power Terminal
Block
into the ME-SBC
TM
to supply DC power.
Info:
If there is a miswire in the system the “Reverse Polarity” LED
will be on. Correct the polarity of the wires connected to the Main
Terminal.
6. Immediately after applying DC power, the LED’s on the ME-SBC
TM
should
come on as the unit goes through a power-up self-test. After the initial self-
test completes, the
Status
LED should be illuminated. If so, your ME-SBC
TM
is now ready for set-up; if not, please refer to the troubleshooting section.
note 1 :
The wires connected to
#1 - MAIN POS (+)
,
#2 - AUX POS (+)
and
#3 - COM NEG (-)
should be sized for 30 amps and the same size.
The battery positive
#1 - MAIN POS (+)
and
#2 - AUX POS (+)
lines
should be protected with a 30 Amp fast blow fuse. Wire size should be
appropriate for the application.
10 ft
15 ft
20 ft
30 ft
12 V
10 AWG
8 AWG
not recommended not recommended
24 V
12 AWG
12 AWG
10 AWG
8 AWG
Table 2-4, Recommended Wires Sizes for 3% loss
