National CS-22BFA/CS-28BFA/CS-40BFA2 Room Air Conditioner Operating Instructions

Midea air conditioner user manual, introduces the basic operation methods of air conditioner, including automatic, heating, cooling, dehumidification, dehumidification weak, temperature, air volume, wind direction, パワフル運転, timer reservation, おやすみ切タイマー, etc., and also introduces cleaning and maintenance methods.


Brand
National Semiconductor
Category
Air conditioner
Document type
User Manual
Language
Japanese
Pages
40
File format
PDF
File size
3.8 MB
Updated
30 September, 2023
MD5 checksum
22F0B50DE377231F48EED5EF1228076B

About this manual

This manual provides step‑by‑step guidance for installing and using National room air‑conditioner models CS‑22BFA, CS‑28BFA and CS‑40BFA2. It explains safety precautions, wiring, remote‑control functions, timer settings, cleaning procedures and warranty information.

The document also includes a quick‑reference table for common operations, specifications of temperature ranges, battery type for the remote, and a troubleshooting section for common faults such as abnormal noises, water leakage, or power‑supply issues. This manual is written in Japanese.

What's inside

  • Safety Precautions
  • Installation and Wiring
  • Remote Control Operation
  • Operation Modes (Cooling, Heating, Dehumidification)
  • Timer and Scheduling
  • Cleaning and Maintenance
  • Troubleshooting
  • Specifications
  • Warranty and Service

Specifications

Cooling temperature rangeup to 28 °C
Heating temperature rangedown to 20 °C
Remote control battery type4 × AA alkaline batteries
Battery life (remote)approximately 1 year

Frequently asked questions

How can I set a timer for automatic start and stop?

Select the timer function on the remote, choose the desired start or stop time, and confirm; the unit will automatically turn on or off at the set time.

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