CORONA Mini-Split AC Outdoor Unit COH-U4019R Inverter Twin Rotary Compressor Running Sound

I disassembled a Corona air conditioner outdoor unit, COH-U4019R, removed the sound-absorbing material, and recorded the compressor's running sound.

The compressor installed is a twin rotary compressor from Toshiba Carrier (now Carrier Japan), which produces a Toshiba-like tone at high rpm.

The control seems to be different from that of the COH-U2819R with a single rotary uploaded earlier, and the characteristic pico-pico sound at startup and bouncing behavior of the rotary speed are not seen.
Also, the time it takes for the rotation to rise is rather long.

Detailed images of the disassembly are interspersed throughout the video, so please take a look.


☆☆☆Air conditioner information ☆☆☆
Manufacturer ：CORONA
Model ：COH-U4019R
Capacity(Cooling) ：4.0kw
Voltage ：100V
Frequency ：50/60Hz
Year of manufacture ：2019
Compressor ：Twin Rotary (TOSHIBA Carrier : DX111A1F-40F)
Refrigerant ：R32
Mass ：34.5kg


☆☆☆About this channel[○ ]☆☆☆
Thank you for watching my channel!^^
I am a Japanese air conditioner enthusiast.

This channel mainly posts japanese air conditioner running videos, disassembled running videos, running sounds, etc.
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↓Below is a playlist of videos by genre, so please take a look.↓


☆☆☆Playlist☆☆☆

Indoor Unit →   • Indoor Units Video エアコン室内機シリーズ  

Outdoor Unit →   • Outdoor Units Video エアコン室外機シリーズ  

Fan Spinning →   • Outdoor unit propeller fan spinning video ...  

Compressor sound(attention the volume) →   • Attention to Volume⚠️  Compressor direct s...  

Outdoor unit running sound→   • 三菱電機のマルチエアコン室外機 MXZ-6017AS 冷房時の運転音 Noise o...  

Defrost operation→   • 【霜取り運転】三菱エアコン ズバ暖霧ヶ峰 室外機 MUZ-KXV2818 霜取り運転...  

Gas Heat Pump air conditioner→   • 【室外機運転音】三菱重工ガスヒートポンプエアコン(GHP)室外機 始動音～運転音 S...  


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