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Register your product and get support at
www.philips.com/welcome
AC4072
AC4074
User manual
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3 1 K A 1 23 4 5 67 8 B L C D E M N O P F G H 9 I 10 J
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6 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. the living room. Wherever there are people, plants or pets, there are airborne particles that can affect your well-being, especially if you
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English 7 K Control panel 1 Light sensor for night mode 2 AIR QUALITY on/off button with light 3 Power on/off button 4 SILENT button with light 5 Power-on light 6 FAN SPEED button with light 7 AUTO button with light 8 Fan speed lights (1, 2, 3 and boost power)/filter replacement lights 9 FAN SPEED indications 10 REPLACE FILTER indications L Filter 4: HEPA filter M Filter 3: activated carbon filter N Filter 2: formaldehyde filter (supplied with AC4074) or multi-care filter (supplied with A
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8 English - Always place and use the appliance on a dry, stable, level and horizontal surface. - Leave at least 20cm free space behind and on both sides of the appliance and leave at least 30cm free space above the appliance. - Do not place anything on top of the appliance and do not sit on the appliance. - Do not place the appliance directly below an air conditioner to prevent condensation from dripping onto the appliance. - Make sure all filters are properly installed before you switch on
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English 9 1 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. 2 Remove all the filters from the appliance. 3 Remove all packaging material from the filters. 4 Put filter 4 (HEPA filter) back into the appliance. Note: Make sure that the side with the tag is pointing towards you. 5 Put filter 3 (activated carbon filter) back into the app
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10 English 6 Put filter 2 (f ormaldeh yde filter for A C4074 or m ulti-car e filter for A C4072) back into the a ppliance . Note: Make sure that the side with the tag is pointing towards you. 7 Place filter 1 (pr e-filter) in the a ppliance . 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. 8 To r eatta ch the fr ont panel, inser t the bottom hooks into the botto m of t
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English 11 The air quality light ring sho ws the quality of the air . Air quality indication Colour Air quality Blue very good Deep purple good Purple fair Red bad 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. The a ppliance automaticall y star ts operating in the AUTO mode . To switch off the appliance, press the on/off button again and unplug the appliance. Note: When th
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12 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 The pollution sensor is set to standard sensitivity. You can adjust the sensitivity of the air quality sensor in the following way: 1 If the a ppliance is alr eady plugge d in, unplug the a ppliance and wait fo
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English 13 2 Pr ess the AUTO button to activ ate 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 g oes on. The FAN SPEE D light indicates at which fan speed the a ppliance 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. In this case only the power-on ligh
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14 English A C4074 onl y: The cor r espondin g fan speed light in the fan speed indicator g oes 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. 1 Pr ess the on/o ff button to s witch on the a ppliance . 2 Pr ess the SILENT button to act ivate the silent mode . The SILENT light g oes on. If you want to go back
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English 15 - Clean the pre-filter when the first filter replacement light flashes to ensure optimal functioning of the appliance. 1 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. 2 To remove the pre-filter, grab the two projections and pull the filter towards you. 3 Wash the pre-filter under a running tap. If the pre-filter is very dirt
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16 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. As a result, the AIR QUALITY light on the control panel and the air quality light ring may indicate that the air quality is bad even though the air quality is good. In this case y
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English 17 - 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. Note: The HEPA filter and the activated carbon filter have a similar lifetime. The
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18 English Replacing the filters Tip: Place the appliance against a wall for more stability when you remove or insert filters. 1 Switch off the appliance and unplug it. 2 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. 3 To remove filter 1 (pre-filter), grab the two projections and pull the filter towards you. 4 To remove filter 2 (fo
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English 19 8 Put filter 4 (HEPA filter) back into the appliance. Note: Make sure that the side with the tag is pointing towards you. 9 Put filter 3 (activated carbon filter) back into the appliance. 10 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. 11 Put filter 1 (pre-filter) back into the appliance. Note: Make sure that the side with the two projections is point
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20 English 14 Press the filter reset button with a thin tool. Note: You do not need to press the filter reset button after cleaning filter 1 (pre-filter). Note: You cannot reset the appliance when you replace a filter before its filter replacement light starts flashing. Note: You cannot reset the appliance if it is not plugged in and switched on. storage 1 To store the mains cord, wind it round the cord storage facility at the bottom of the appliance. Accessories New filters are avail
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English 21 T r oub leshooting 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. You did not replace the filter work. when the filter replacement light started flashing and did not respond when the appliance started to beep every 30 minutes after ap
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22 English Pr oblem P ossible solution The appliance is extra You haven’t removed all packaging material from the filters. Make sure that loud. you have removed all packaging material. The appliance still indicates Perhaps you did not press the filter reset button properly. Plug in the that I need to replace a appliance, press the on/off button and press the filter reset button with a filter, but I already did. flat tool. The appliance stops The built in quality sensor has determined that the
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