ProMariner ProIsoCharge - Manual (Page 5)

8
Installation
Common applications for the ProIsoCharge include:
√ Dual Alternators connected to a single “ALT IN” connection
√ Dual Alternators connected to “ALT 1 IN” and “ALT 2 IN” connection
NOTE: ALT 1 and BATT 1 connections must originate from the same engine. Mixing
alternator inputs and battery outputs from different engines will cause damage and void
the warranty
√ More than 3 battery banks
√ 24 volt applications
The following diagram illustrates a 3 bank, single alternator installation.
Note the following:
1) The unit requires an ignition (key) on indicator. In most cases the engine supplied lead
will be purple in color and will be live when the key is on. A 14 AWG wire is sufficient
for this conductor.
2) The ProIsoCharge input must come directly off of the alternator to the unit.
NOTE: This unit is NOT rated for starting current. Ensure the unit is NOT installed in
such a way that the starter current passes through the unit.
3) A reference ground is required for the unit to operate; this ground must be common
to all the batteries connected. A 14 AWG wire is sufficient for this conductor.
4) Each battery bank is independently switched prior to the ProIsoCharge. This allows
for disconnection of the system in the event of an electrical short not cleared by a
fuse or breaker and is also required by ABYC in batteries with 800 or more cold
cranking amps.
5) The START Batt. has priority for charging, this terminal must be connected to the
STARTING battery for proper operation. ALT 1 and BATT 1 connections must originate
from the same engine. Mixing Alternator inputs and battery outputs from different
engines will cause damage and void the warranty.
6) Battery Sensed Alternator or Regulator – This connection is very important if your
installation includes an alternator or “smart” regulator that monitors the batteries for
state of charge, temperature etc. This connection will ensure the maximum performance
of the alternator which will guarantee the ProIsoCharge functions properly.
7) Closely follow the wire sizing table at the beginning of this section for all wire
7
Installation
Mounting
The ProIsoCharge must be securely mounted
in order to properly tighten the conductor ends
and assist in supporting the large conductors.
Large conductor cables can cause significant
stress on the unit. Independently support the
conductors within 12 inches of exiting the
protective cover.
Wiring
The following diagram is a typical single-
engine, 2 battery bank boat system
Note several features of this system:
A) ABYC requires systems of 800 CCA
and above to have a battery switch.
B) The alternator charging cable also serves
as the starter hot lead.
C) The alternator output is fused, this is
because it is over 40” long OR connected
to a non self-limiting alternator.
Priority MGNT
High VDC
High VDC
Charging
Charging
Low VDC
ON
Standby
System ON
SYSTEM STATUS
Adv. Reg.
ProIsoCharge 1 • 2
Intelligent Alternator Distribution System 0.0 VDC Drop - Battery Isolation & Charging
Ignition
DC
Input
Distributed-On-Demand ™ Sensing Engine Battery Priority & Protection
Waterproof to IP66
2
ENG 1
2
ENG 1
Battery
Alternator
Flashing
ON
Digital ProMar Performance Charging
Fuse
Starter
Alternator
Engine
12V Battery Start
Alternator in
To Engine
Negative or Bus
A) Start Battery Switch
B
C
To Engine Negative or Bus
A) Bank 2 Battery Switch
To
Ingition