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5 INSTALLATION
5.10 Connecting in Parallel
It is possible to connect two DPS units in parallel to increase the current output. For example; two
DPS1240s connected in parallel would produce a maximum of 80A for a load. Parallel connection
requires specific installation;
• Both DPS units must be mounted to the chassis of the vehicle for external heat sinking.
• The DPS units must be mounted close to each other.
• The RED, BROWN, BLACK, BLUE & ORANGE wires from both units must be joined to their matching
colour with the same size and length cables.
• The input, output and earth wiring must be suitably sized to carry the constant high current.
• Suitably rated fuses must be used; Refer to page 4.
Figure 7: Parallel Connection of two DPS units for Increased Output Rating
GREEN
Optional
LED and
Resistor***
1b
All ground points must be
connected to chassis earth.
BLACK
Vehicle
Ignition
or to D+**
BLACK
BROWN
to 12V or 24V
Start Battery
BLUE
RED
ORANGE
RED
ORANGE
BLUE
Fuse*
To Loads
Double-Pole Tripple
Throw Switch
1a
2a
3a
Ca
Fuse*
BROWN
Fuse*
GREEN
2b
3b
Cb
Note: Power wires must be suitably sized
(refer to Section 5.8) and must be crimped
using an appropriate crimp tool.
* Fuse Ratings as per table on Page 4
** For vehicle ignition connection,
connect to the ignition switched fuse
in either the engine bay or the internal
fuse box for the radio.
*** See Section 5.6 (page 9).
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