PS-M550WPK - Air purifier LG - Free user manual and instructions
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| Product Type | Air Purifier |
| Brand | LG |
| Model | PS-M550WPK |
| Dimensions (W x H x D) | 45.0 x 70.0 x 45.0 cm |
| Weight | 12.5 kg |
| Power Source | AC 220-240V, 50/60Hz |
| Power Consumption | 60 W (max) |
| Airflow (CADR) | 350 m³/h (smoke, dust, pollen) |
| Coverage Area | Up to 50 m² |
| Filtration System | Pre-filter, True HEPA, Carbon Filter |
| Filter Replacement | Replace every 6-12 months depending on usage |
| Fan Speeds | 3 speeds (Low, Medium, High) + Auto mode |
| Noise Level | 25 - 48 dB(A) |
| Timer | 1-8 hours |
| Air Quality Sensor | Yes, with real-time display |
| Auto Mode | Yes, adjusts fan speed based on air quality |
| Sleep Mode | Yes, low noise and dimmed lights |
| Child Lock | Yes |
| Filter Cleaning | Pre-filter washable every 2-4 weeks |
| Safety | Overheat protection, auto shut-off when cover opened |
| Spare Parts | Replacement filters available (model: PFM550WPK) |
| Warranty | 2 years |
| Certifications | Energy Star, CADR certified |
Frequently Asked Questions - PS-M550WPK LG
How often should I replace the filters?
The pre-filter should be cleaned every 2-4 weeks. The HEPA and carbon filters need replacement every 6-12 months depending on usage and air quality. The device has a filter replacement indicator.
What is CADR and what is the value for this model?
CADR (Clean Air Delivery Rate) measures the volume of clean air delivered. The PS-M550WPK has a CADR of 350 m³/h for smoke, dust, and pollen, covering rooms up to 50 m².
Can I use the purifier at night?
Yes, it has a sleep mode that operates at a low noise level (25 dB) with dimmed indicator lights for undisturbed rest.
How do I clean the pre-filter?
Remove the front cover and take out the pre-filter. Wash it under running water or use a vacuum cleaner. Let it dry completely before reinstalling. Do not use detergents.
Does it have a timer function?
Yes, you can set the timer from 1 to 8 hours. The purifier will automatically turn off after the set time.
What does the air quality sensor do?
The sensor detects particulate matter and displays the air quality on the front panel with color codes (blue for good, green for moderate, red for poor). The purifier adjusts fan speed automatically.
Where can I buy replacement filters?
Replacement filters (model PFM550WPK) can be purchased from authorized LG dealers, online retailers, or the LG official website.
Is the purifier safe to use around children?
Yes, it has a child lock feature that disables the buttons to prevent accidental operation. The device also has overheat protection.
What is the noise level at maximum speed?
At maximum speed, the noise level is 48 dB(A), which is comparable to a quiet conversation. At low speed, it operates at 25 dB(A).
How do I reset the filter replacement indicator?
After replacing the filters, press and hold the filter reset button (usually marked with a dustbin icon) for 3 seconds until the indicator light turns off.
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USER MANUAL PS-M550WPK LG
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Product information
Brand : LG
Model : PS-M550WPK
Category : Air purifier