ResMed VPAP III ST-A User Manual page 42

Please refer to the VPAP III Series Battery Power Guide for the recommended
battery type and capacity, or contact ResMed's Technical Services division for
your specific application.
ResMed DC-24/30 Converter
ResMed supplies the DC-24/30 Converter (product code: 22015) which is
compatible with the DC input of the VPAP III ST-A. This is an accessory that may
be purchased separately through your ResMed distributor.
The DC-24/30 Converter can be connected to a 12V or 24V battery, or a cigarette
lighter socket (in a vehicle). When using a DC power supply, the power is turned
on and off via the switch on the converter, and not the power switch at the back
of the VPAP III ST-A. No power will be supplied to the HumidAire 2i integrated
humidifier when connected to a VPAP III ST-A using a converter.
Please refer to the DC-24/30 Converter instructions for further details.
Inverter or UPS
The power specifications for an inverter or a UPS are listed in the following table.
Configuration
VPAP III ST-A (without HumidAire 2i
humidifier)
VPAP III ST-A with HumidAire 2i
humidifier
Note: Use only a pure sine wave
inverter when a HumidAire 2i is
attached.
The case temperature should be less than 122°F at an ambient temperature of
95°F. (For VPAP III ST-A temperature specifications, see "System
Specifications" on page 37.)
34
Continuous Output
Power Rating
60W
150W
Peak Output
Power Rating
225W
300W (110V inverter)
600W (240V inverter)