The Philips AC4374 Air Purifier User Manual provides setup, operation, cleaning, filter replacement, safety, and troubleshooting instructions.
About this manual
This manual introduces the Philips AC4374 air purifier, covering safety precautions, product overview, and step‑by‑step instructions for installing filters, selecting fan speed, setting timers, enabling child lock, and using night mode. It also explains the air‑quality sensor, cleaning procedures for the pre‑filter and nano‑level filter, and how to reset the filter lock.
Additional sections detail warranty information, how to order accessories, and a troubleshooting guide for common issues. Technical specifications such as CADR, noise level, and power consumption are listed for reference. This manual is written in Chinese.
What's inside
- Safety Precautions
- Product Overview
- Installation of Filters
- Operating the Purifier
- Setting Fan Speed and Timer
- Child Lock and Night Mode
- Cleaning and Maintenance
- Filter Replacement
- Troubleshooting
- Warranty and Service
Specifications
| Formaldehyde CADR | 185 m³/h |
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| Toluene CADR | 295 m³/h |
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| Noise Level | 65 dB(A) |
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| Rated Voltage | 220 V |
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| Rated Frequency | 50 Hz |
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| Rated Input Power | 56 W |
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| Applicable Area | 25‑40 m² |
Frequently asked questions
Can I use any filter with the AC4374?
Only original Philips filters designed for this product may be used; other filters are not permitted.
How do I replace the nano‑level filter?
Remove the pre‑filter, then replace the nano‑level filter with a new Philips‑specified filter.
How can I reset the filter lock?
Select the reset option in the menu to release the filter lock.
What is the warranty period for the AC4374?
The product is covered by a two‑year warranty from the date of purchase.