Figure 1 - SCM-24 Wiring Diagram
Supplement
This supplement includes additional information specific to the 24 Volt version
of the Smart Charge Manager (SCM-24).
Ample Power Smart Charger System II 24V
The Ample Power Smart Charger System II 24V consists of one SCM-24,
one SCM-24 Balancer Module, two to eight Power Supply Chargers (PSC), and one isolator
for each PSC. Other miscellaneous options may also be added such as:
a shunt for current limiting, a remote alarm, remote switches, or
a parallel solenoid.
Mounting the SCM Balancer Module
The SCM Balancer Module is protected against ambient humidity, but must be mounted
in a dry location free of moisture, dust and other environmental
insults. It will operate in temperatures to 60
C
(140F).
24V Wiring Diagram
For proper operation of the SCM-24, wire it as shown in Figure 1.
Do not wire it in any other way, such as combining ground
wires or battery positive wires. For safety purposes, always use fuses where
shown.
Signal Names and Functions
As shown in Figure 1, there is one 7-pin terminal blocks for the SCM Balancer Module
Stacking and Packing Power Supply Chargers
Figure 2 shows how to stack and pack power supply chargers modules in
series-parallel for increased amperage output capability in 24V systems.
Note that the modules are first connected in parallel.
Each power supply/charger module
on the lower 12V side connects to one of the control lines on the SCM-24.
Each power supply/charger module
on the upper 12V side connects to one of the control lines on the SCM-24 Balancer.
The lower 12V and upper 12V banks are then connected in series for 24V.
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