English introduction Congratulations on your purchase and welcome to Philips! To fully benefit from the support that Philips offers, register your product at www.philips. com/welcome. With this new living room air purifier you breathe cleaner air. For the best results, place the living room air purifier in a room where you spend most of your time, e.g.
If the mains cord is damaged, you must have it replaced by Philips, a service centre authorised by Philips or similarly qualified persons in order to avoid a hazard.
Make sure all filters are properly installed before you switch on the appliance. Only use the original Philips filters specially intended for this appliance. Do not use any other filters. Avoid knocking against the appliance (the air inlet and outlet in particular) with hard objects.
English Place your fingers in the recesses of the side panels and gently pull the top part of the front panel towards you. Then lift the hooks at the bottom of the panel out of the bottom of the appliance. Remove all the filters from the appliance.
English Put filter 2 (formaldehyde filter for AC4074 or multi-care filter for AC4072) back into the appliance. Note: Make sure that the side with the tag is pointing towards you. Place filter 1 (pre-filter) in the appliance. Note: Make sure that the side with the two projections is pointing towards you. Note: Make sure that all hooks are properly attached to the appliance. To reattach the front panel, insert the bottom hooks into the bottom of the appliance first (1). Then push the panel against the body of the appliance (2).
English The air quality light ring shows the quality of the air. Air quality indication Colour Air quality Blue very good Deep purple good Purple fair To switch off the air quality light ring, press the AIR QUALITY button. Note: The air quality light ring automatically goes on when the appliance is switched on.
English adjust the sensitivity of the air quality sensor. When it is set to a higher sensitivity level, the appliance already starts cleaning the air at lower pollution levels to make the air even cleaner. There are 3 sensitivity levels: standard sensitive extra sensitive...
English Press the AUTO button to activate the auto mode. Note: When the appliance is operating in another mode and you want to activate the auto mode, simply press the AUTO button. The AUTO light goes on. The FAN SPEED light indicates at which fan speed the appliance is operating. Note: When the air quality is very good and the appliance operates at a very low fan speed, the FAN SPEED light for the lowest speed setting does not go on.
English AC4074 only: The corresponding fan speed light in the fan speed indicator goes on. Note: Select boost power if you need an extra strong airflow when the air in the room is very dirty. All three fan speed lights go on. Silent mode When you use the appliance in silent mode, it operates very quietly. Press the on/off button to switch on the appliance.
English Clean the pre-filter when the first filter replacement light flashes to ensure optimal functioning of the appliance. Place your fingers in the recesses of the side panels and gently pull the top part of the front panel towards you. Then lift the hooks at the bottom of the panel out of the bottom of the appliance.
English Air quality sensor Clean the air quality sensor every 2 months for optimal functioning of the appliance. Clean it more frequently if you use the appliance in a dusty environment. Note: When the humidity level in the room is very high, it is possible that condensation develops on the air quality sensor.
English Filter replacement light 1 flashes: filter 1 (the pre-filter) has to be cleaned. See chapter ‘Cleaning’ for further instructions. Filter replacement light 2 flashes: filter 2 (the formaldehyde filter (supplied with AC4074) or multi-care filter (supplied with AC4072)) has to be replaced. Filter replacement light 3/4 flashes: the activated carbon filter and the HEPA filter have to be replaced.
English Replacing the filters Tip: Place the appliance against a wall for more stability when you remove or insert filters. Switch off the appliance and unplug it. Place your fingers in the recesses of the side panels and gently pull the top part of the front panel towards you.
English Put filter 4 (HEPA filter) back into the appliance. Note: Make sure that the side with the tag is pointing towards you. Put filter 3 (activated carbon filter) back into the appliance. Put filter 2 (formaldehyde filter for AC4074 or multi-care filter for AC4072) back into the appliance.
By doing this, you help to preserve the environment. guarantee and service If you need information or if you have a problem, please visit the Philips website at www.philips.com or contact the Philips Consumer Care Centre in your country (you find its phone number in the worldwide guarantee leaflet).
English Troubleshooting This chapter summarises the most common problems you could encounter with the appliance. If you are unable to solve the problem with the information below, contact the Consumer Care Centre in your country. Problem Possible solution The appliance doesn’t You ignored the filter replacement alerts.
Fan speed lights 1, 2 country (you find its phone number in the worldwide guarantee leaflet). If and 3 flash, all other lights there is no Consumer Care Centre in your country, go to your local Philips are out. dealer.