KEFFNER AIR AIR 42/NA, Manual And Warranty Card

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MAINTENANCE AND CLEANING INSTRUCTION
Maintenance and cleaning instruction
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Cleaning the body for this device by damp cloth, then wipe it dry.
If machine is too dirty, neutral detergent can be used for cleaning, but please dilute the detergent before use.
Do not clean the unit with the solvent listed on the right which may cause distortion or discolour.
Please remove plug from the socket before
cleaning and maintenance.
Decontamination
power
Alkalescence
Benzene
Acohol
Scour
Maintenance and cleaning instruction
Hold the UV lamp and rotate it for 90 clockwise or anticlockwise,
then take it out.
Hold the UV lamp and rotate it for 90 clockwise or anticlockwise,
then install it well.
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Take off the front cover, and take out all filters, then UV lamp can be replaced. The diagram as following:
Disassembly and installation for UV lamp
MAINTENANCE AND CLEANING INSTRUCTION
14
Methods for replacing UV lamp
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Photo sensor is built-in the device, if the UV light is very weak or not lighted, the UV icon on the product operating panel will be
flashing; it means UV lamp should be replaced.
The diagram as following:
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Humidify
UV lamp replacement indicator
● PM 2.5 abnormal correcting ：
After used the PM 2.5 sensor for a long time, trace amounts of particulate will adhere to the sensor inductive head,
it may cause the PM 2.5 numerical display abnormal.
When you find PM 2.5 numerical severly deviated from the normal range, here we advise you collect it as follow steps
based on the weather forecast's PM 2.5 numerical in your city.
1. Open the window ventilated for 5 minutes (PM 2.5 sensor will re-collection current environmental data).
2. Long press "function" icon, after heard a "click", showing it antomatic switch to PM 2.5 display window,
then enter PM 2.5 correcting mode.
3. Each time you press "function" icon, the machine's PM 2.5 numerical will increase 2 μm /m³ , each time you press "smart" icon,
PM 2.5 numerical will decrease 2 μm /m³ .
4. When the PM 2.5 numerical adjust to the PM2.5 numerical of your city's weather forecast,waiting 5 seconds ,
PM 2.5 sensor collection finished.
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User manual
Ecological · intelligent air purifier with humidifier