This document is the owner's manual for the Midea Air Purifier, model KJ350G-S1. It provides instructions for safe operation, installation, usage, and maintenance of the device.
Function Description:
The Midea KJ350G-S1 is an air purifier designed for indoor and household use. Its primary function is to filter the air, removing particulate matter and improving air quality. The device features a multi-stage filtration system, including a Pre-Filter and a HEPA Filter, to effectively capture various airborne particles. It incorporates an automatic mode that adjusts the wind speed based on detected air quality, and a sleep mode for quiet operation. The air purifier also includes a PM2.5 numerical display to show current air quality levels and an air quality indicator light that changes color (Blue for Excellent, Green for Good, Orange for Medium, Red for Poor) to provide a quick visual assessment. A child lock function is available to prevent unintended operation. The appliance is designed with a disassembly protection feature, ensuring it cannot be started normally until all air inlet grilles are correctly installed. It also has a memory function, restoring to the working state before an unexpected power outage.
Important Technical Specifications:
While specific technical specifications like power consumption, CADR (Clean Air Delivery Rate), or coverage area are not explicitly detailed in the provided pages, the manual highlights key components and operational aspects. The filter model is FC-35S1A, which includes a HEPA filter. The device features a PM2.5 sensor for real-time air quality monitoring. It has a timing function with optional settings of 1, 2, 4, or 8 hours. The wind speed can be manually adjusted to low, medium, or high settings. The appliance incorporates an earth connection for functional purposes.
Usage Features:
The air purifier is designed for user-friendly operation.
- Control Panel: The control panel includes buttons for Child Lock (long press 3s), Timer (long press 3s to reset filter), Speed (low, medium, high wind), Automatic Mode, Sleep Mode, and On/Standby.
- Display Panel: The display panel shows the PM2.5 numerical display, timing function prompt, HEPA filter replacement prompt, child lock prompt, sleep mode prompt, and automatic mode prompt.
- Installation: Installation involves removing the air inlet grille, taking out and removing the protective film from the Pre-Filter and HEPA filter, installing the HEPA filter, installing the Pre-Filter, and finally re-installing the air inlet grille before plugging in the power supply.
- First-time Use: Upon first power-on, the display panel flashes for 1s, then turns off, indicating standby state. After removing the protective film from the filter assembly and installing the filter, pressing the on/standby button will power on the device. The particulate matter sensor will warm up for about 10 seconds, during which the PM2.5 display shows "---" before displaying normal readings. The purifier then enters automatic mode.
- Safety Precautions: The manual emphasizes several safety rules, including not placing items on top of the appliance, using only original filters, avoiding insertion of fingers or objects into air inlets/outlets, unplugging the device when not in use or before cleaning, and not immersing the unit in water. It also advises against spraying flammable substances or water directly on the appliance and to maintain a minimum 30cm space around the device during operation.
Maintenance Features:
Regular cleaning and filter replacement are crucial for optimal performance.
- Body Cleaning: The body of the appliance should be wiped with a soft towel.
- Air Inlet Grille Cleaning: The air inlet grille can be opened, and dust can be vacuumed or wiped with a cloth.
- Air Outlet Grille Cleaning: The air outlet grille can be removed, and dust can be vacuumed or wiped with a cloth.
- Pre-Filter Cleaning: It is recommended to clean the Pre-Filter at least once every two weeks, or more frequently in polluted environments. This involves unplugging the appliance, taking out the Pre-Filter, vacuuming dust or wiping it with a cloth. For heavy dirt, diluted common kitchen detergents can be used, followed by soaking for about 10 minutes, and then drying the filter before reassembling.
- HEPA Filter Replacement: The HEPA filter (model FC-35S1A) needs replacement when the filter replacement light on the display panel illuminates. If not replaced promptly, a prompt will appear at every startup. After replacing with a new filter, the timing button should be long-pressed for 3 seconds to reset the HEPA filter reminder.
- Faults Handling: The manual provides a guide for handling common faults, including disassembly protection reminder (EI), sensor failure (Eu), and abnormal fan speed (E3). For sensor failure and abnormal fan speed, users are advised to contact after-sales service. For disassembly protection, ensuring the inlet grille is properly installed is the solution.
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