Installation Instructions Model 12040C00, 12040E00, 12025E00, 12025C00

Installation Instructions Model 12040C00, 12040E00, 12025E00, 12025C00
Installation Instructions
Model 12040C00, 12040E00, 12025E00, 12025C00
It is suggested that model specifications be referenced in addition to this instruction sheet for the installation.
1.
For safety reasons, all batteries should be diconnected prior to installing the Equalizer. Reconnect the batteries
after installation is complete, always using proper safety clothing and glasses.
2.
Mount the Equalizer/Converter in a dry ventilated area, with access to the terminals. It is recommended that
the maximum voltage drop across any power wire should be no more than 0.2V at full output.
3.
Select the appropriate wire size for the installation. The table below will provide an estimate of required wire
sizes, which is sufficient for most applications. Size the appropriate circuit protection approximately 25% above
the maximum current passing through the wire (refer to table).
Recommended Circuit Protection
on 12V & 24V Terminal
(24V)
Current Out
12V In
SP Kit#
25A
75A
1595
40A
12025C00
25A
75A
1595
12040E00
40A
125A
12040C00
40A
125A
Unit
12025E00
LITHO IN USA
Recommended wire gage for total run length
1593
0-10 ft
4 AWG
11-20 ft
2 AWG
21-30 ft
1 AWG
31-40 ft
1/0
40A
1593
4 AWG
2 AWG
1 AWG
1/0
1597
50A
1594
2 AWG
1 AWG
2/0
3/0
1597
50A
1594
2 AWG
1/0
3/0
4/0
www.surepower.com
24V out SP Kit#
PAGE 1
INSTRUCTION 180146B
CONNECTION DIAGRAMS:
Battery Equalizer Installation Instructions.
Typical Equalizer Connection with “IGN” Source
of the battery stack for Equalizers.
+12V terminal: Connect this terminal through a fuse to the +12 V of the
12V
Alternator
B+
battery stack.
24V
12V
GND
IGN
OFFSET
+24V terminal: Connect this terminal through a fuse to the +24 V side
FUSE
FROM 12V
IGN SOURCE
FUSE
GND terminal: Connect this terminal to the GND terminal . All internal
operating currents are returned to this terminal.
IGN terminal: This connection enables and disables the unit. Connect
this terminal to a 12 Volt ignition RUN source. When voltage is applied to
the ignition terminal, the unit turns on. See Figure 1.
OFFSET Terminal: This connection also enables and disables the unit.
+
+
-
A
BATTERY
B
BATTERY
24V
Loads
12V
Loads
Connect this terminal to a 12 Volt ignition RUN source. Applying power to
this terminal increases the output voltage between 0.6 Volts to 1.4 V –
input voltage dependent, refer to graph under specification outline
(contact Sure Power Industries). Typically used when voltage line loss is
a concern. See Figure 2.
Figure 1
Typical Equalizer Connection with “OFFSET” Source
Converter Installation Instructions.
+ 24 terminal: Connect this terminal directly to the 24 V loads.
B+
12V
Alternator
+12V terminal: Connect this terminal through a fuse to the +12 V of the
24V
12V
GND
IGN
OFFSET
Connect wires in accordance with figure 3.
FUSE
battery stack.
FROM 12V
IGN SOURCE
FUSE
GND terminal: Connect this terminal to the GND terminal . All internal
operating currents are returned to this terminal.
+
-
+
B
BATTERY
Additional Information:
LED status indicator: Provided to denote when the unit is producing
A
BATTERY
24V
Loads
12V
Loads
current. As the batteries become equalized, the equalizer current will
approach 0 amps, and the LED indicator will diminish in intensity and
eventually go dark.
Figure 2
In converters, as the output current approaches zero the LED will go dark.
Provide the appropriate fuse protection.
Fuses protect the wiring in the event of a short to ground and should be
sized approximately 25% above the maximum current passing through
the wire.
All M8 nuts should be torqued to 90-100 in.-lbs.
24V
24V
Loads
12V
GND
IGN
O F F SE T
Typical Converter Connection
FROM 12V
IGN SOURCE
FUSE
-
12V
Alternator
+
A
BATTERY
12V
Loads
Figure 3
LITHO IN USA
www.surepower.com
PAGE 2
INSTRUCTION 180146B
A Part Of
B+
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