Filters; Figure 4-11. Air Inlet Filter - Covidien Puritan Bennett 560 User Manual

4.5

Filters

Warning
Regularly check the cleanliness of the air inlet filter located on the rear of the ventilator. If
necessary, replace the filter before the recommended replacement period is over (see chapter
"Routine
wheelchair, because environmental conditions may cause the filter to become dirty more
rapidly.
The ventilator features two filter types:
•
air inlet filter
•
bacteria filter
Air Inlet Filter
Consisting of foam and fine particle filter media and located at the rear of the ventilator, this filters the air as it
enters the ventilator.
Warning
The air inlet filter is not reusable; do not attempt to wash, clean, or reuse it.
Failing to replace a dirty air inlet filter, or operating the ventilator without a filter, may cause
serious damage to the ventilator.
Bacteria Filter
It is highly recommended that you install a bacteria filter (see
cuits. In a double limb configuration, two bacteria filters are used: one at the
TO PATIENT
•
Connected to the TO PATIENT
This filter protects the ventilator from contamination by the patient (primarily, rebreathed gas).
Refer to
User's Manual
Maintenance"). This is particularly important when the ventilator is installed on a
port, and the other at the FROM PATIENT
Figure 4-8, item 1.

Figure 4-11. Air Inlet Filter

Figure
port.
port:
Installation and Assembly
4-12) on both single and double limb cir-
8,
4-11