Buttons & everyday modesFilter reset · timer · modes · sleepVideo to be connected
KNKA AIR PURIFIER · QUICK GUIDE
APH4000 Product Guide
Find the right control, follow the setup steps, and keep your purifier in good condition.
APH4000 · example model01 / PRODUCT CONTROLS
Official model guides ↗Know the touch panel
Select one of the eight touch keys to see what it does. PM2.5 and filter-life items are screen readings, not keys.
APH4000 touch panel · select a key below for its functionSELECTED CONTROL
Filter
Short-press to display remaining filter life for about 3 seconds. After installing a new filter, press and hold for 3 seconds to reset.
A low filter-life alert flashes red; reset after replacing the filter.Button demonstration
Model-specific video02 / FIRST USE
Official model guides ↗Unbox, install and start
Three short steps take you from the box to clean airflow.
01Check parts & fit the legs
Check the purifier, adapter, support legs, filters, manual and aroma pads against the box list. Fit the support legs before standing the unit upright.
Included parts can vary by market.
02Remove all packaging
Remove the body’s shipping film if present. Open the front and rear covers, take out the filters, remove each plastic bag and check the direction arrows.
Never run the purifier with filter bags on.03Reinstall and power on
Place filters back in the marked direction, secure both covers, connect the adapter and tap Power. Check that the display lights up normally.
Unplug the adapter before any maintenance.APH4000 startup order: attach support legs → remove filter bags → reinstall filters and covers → connect adapter → power on.Follow the manual for your exact model.
Installation walkthrough
Unboxing · film · filtersFirst setup, step by stepUnboxing · body film · filter bags · first startVideo to be connected
03 / PARTS & CONSUMABLES
Find the right filter and parts
Check the model printed on your purifier before ordering. Filter dimensions and fit vary by model.
Composite replacement filter
HEPA and activated carbon layers are combined. Vacuum surface dust; do not wash.
Washable pre-filter
Captures hair and larger debris. Clean with a vacuum or rinse with water; dry fully before reinstalling.
Aroma pad
For the built-in fragrance box. Add a small amount of suitable oil and avoid overflow.
Compatible filter reference: APH4000 / APH4000LX. Confirm your purifier model before checkout.
Add package-specific photos for the adapter, support legs and aroma pads before launch.
Filter replacement
Remove · install · resetReplace and reset the filterPower off · remove covers · replace · reinstall · resetVideo to be connected
04 / DAILY CARE
Official care instructions ↗Keep it clean, the right way
Unplug the adapter before cleaning. Separate washable parts from parts that must stay dry.
Wipe clean · do not rinseOuter casing & air vents
- Unplug the adapter first.
- Wipe monthly with a soft cloth; use a little neutral detergent only for stubborn stains.
- Do not let liquid enter the unit.
Washable partPre-filter
- Remove and clean hair and dust with a vacuum or water.
- Let it dry completely before reinstalling.
- Do not wash the HEPA / carbon composite filter.
Keep dry · model-specificPM2.5 sensor
- Use the APH4000 component diagram to identify the sensor location.
- The guide does not specify a sensor-cleaning method. Follow approved model-specific instructions or contact support.
- Do not spray liquid into the sensor or open the housing.
Important Always disconnect power before maintenance. Do not rinse the purifier body, HEPA filter or carbon filter.
Need the sensor location diagram?
Find the APH4000 guide ↗The APH4000 component diagram labels the PM2.5 sensor. The guide does not give a cleaning procedure.
Cleaning demonstrations
Shell · pre-filter · sensorClean the washable parts and sensor areaUnplug · wipe · wash pre-filter · dry fully · sensor cautionVideo to be connected