Philips AC4054 - Manual (Page 9)

Air quality sensor
If the air quality sensor is dirty, it becomes unreliable.
1 Remove dirt with a soft brush or with a vacuum cleaner.
Particle filter and gas filter
1 Remove the filters from the appliance (see chapter ‘Filter replacement’, section ‘Removing
the filters’).
 Remove visible dirt with a vacuum cleaner.
Never clean the particle filter and the gas filter with water or any other liquid or detergent.
If the filters get wet, dispose of them and replace them with new filters.
Note: Under normal usage conditions, we advise you to place the gas filter in direct sunlight in a room
with natural ventilation for 3-4 hours every 4 months. This helps maintain good filter performance and
prolongs the life of the filter. In case of more extreme usage conditions (smoking environment, just
renovated room, non-domestic use etc.) and more frequent use, you have to do this more often.
Pre-filter
1 Clean the pre-filter with a vacuum cleaner.
Note:You can also clean the pre-filter in water.
 If you have cleaned the pre-filter in water, properly dry it before you place it back into the
appliance.
Filter replacement
Particle filter
In case of normal household use in a non-smoking environment and proper maintenance (see
chapter ‘Cleaning and maintenance’), the particle filter lasts approx. 5 years.
Replace the particle filter when the filter colour matches the appropriate colour of the
appropriate section of the filter replacement label.
Filter replacement label
The appliance (and each new filter) comes with a filter replacement label with two
sections: (Fig. 17)
a section with a dark brown colour (the colour of tobacco stains) for smoking environments;
a section with a dark grey colour (the colour of dirt and dust) for non-smoking environments.
You can stick the filter replacement label on the side of the particle filter surface for your reference.
A new particle filter is available under the following type numbers:
AC4105 for CleanAir System AC4054/AC4052
AC4106 for CleanAir System AC4064/AC4062
Gas filter
In case of normal household use and proper maintenance (see chapter ‘Cleaning and maintenance’),
the gas filter lasts approx. 5 years.
Note: You may need to replace the gas filter sooner in case of more extreme usage conditions (smoking
environment, just renovated room, non-domestic use etc.) and insufficient maintenance.
Replace the gas filter if it does not remove odours quickly and properly anymore.
A new gas filter is available under the following type numbers:
AC4115 for CleanAir System AC4054/AC4052
AC4116 for CleanAir System AC4064/AC4062
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English 9