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DC Power Supply
The DC Power Supply is intended for use with DC accessory outlets, such as those found in motor
vehicles. Input voltage to the DC Power Supply is 11.5-18 VDC. Sized to be compatible with most
passenger vehicle electrical systems, it is capable of delivering up to 150W of 26VDC output to the
Eclipse.
Figure 6: DC Power Supply
Located near the output cord, there is a Green LED that is illuminated when the DC Power Supply is
supplying 26VDC power. When output voltage falls outside of this range, the LED will turn red. If the
LED is not illuminated, there is no input power available. The Power Supply contains protection circuits
for output over-current, input over-voltage, and internal over-temperature conditions. If any of these
conditions exist, output power will be interrupted and the red LED will illuminate. However, these three
conditions are self-resetting, such that output power will resume when protection circuits fall back into
acceptable operating ranges.
Located near the input cord, there is a two-position switch to determine how much power is available
from the DC accessory outlet for the Eclipse. In the 10A position, the Eclipse will draw up to 100W from
the DC Power Supply. In the 15A position, up to 150W will be drawn. This switch must be set according
to the power availability at the accessory outlet. Refer to the vehicle’s operating manual if necessary.
In addition to these indicators and safety circuits, the DC Power Supply includes an audible alarm that
sounds if the input voltage to the DC supply falls below 11.5VDC. Patients should not continue to use
the DC supply to power their Eclipse after they have turned off their vehicle engine. The DC Power
Supply alarm is intended to remind the patient that their vehicle battery is being depleted and further
depletion may cause the vehicle not to start.
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