Instructions for Use | Service and Maintenance
Replacing the Air-Inlet Foam Filter
75
9.
Service and Maintenance
Service
Repairs and adjustments must be performed by service personnel only. Unauthorized service could cause death or injury, invalidate the warranty,
or result in costly device damage. Service technicians can request circuit diagrams, component part lists, descriptions, and calibration instructions
to help service the device. See the service manual.
The device should be serviced for preventive maintenance every 24 months or 10,000 blower hours. To see the blower hours: in the menu bar, tap
the
Device Options
icon, and then in the
Options
window, tap
Information
.
Trilogy Evo Universal’s expected service life is 10 years.
Disposal
Separate collection for electrical and electronic equipment per EC Directive 2012/19/EU. Dispose according to local regulations. If you need help,
contact Philips Respironics.
Routine Maintenance
Conduct basic maintenance according to the table below.
Daily
Visually inspect accessories for damage or signs of wear. Discontinue use and replace if damaged.
When using oxygen, to maintain accuracy, calibrate the oxygen sensor daily. See "O
2
Sensor Calibration" in the "Device
Options" chapter.
Monthly
Replace the particulate filter
(when in use)
For invasive ventilation, dispose of the air-inlet foam filter.
Every six months
Ensure the internal battery has been charged at least once in the previous six months. The internal battery charges
when connected to AC power.
Yearly
For non-invasive ventilation, dispose of the air-inlet foam filter.
Replacing the Air-Inlet Foam Filter
The air-inlet foam filter is the gray foam located on the back panel. It protects Trilogy Evo Universal from dirt and dust. This filter is for single
patient use.
For invasive ventilation, dispose monthly. For non-invasive ventilation, dispose yearly. Only use Philips Respironics-supplied filters. Dispose
according to local regulations. Ventilation can continue while you are replacing the filter.
To replace the disposable inlet filter:
1.
Ensure you have a replacement filter nearby.
2.
Pinch the filter and pull it out of the filter cover.
3.
Insert the clean replacement filter into the filter cover. Ensure it is positioned securely.