For Four Way Cassette and Four Way Cassette Silent Type: By adding a digital tube to the video card, Error Codes can be viewed directly for troubleshooting. For Four Way Cassette Silent Type: Newly designed fan blade, air deflector and internal throttle greatly reduce noise. drain pump, It can pump condenser water up to 750mm high, which simplifies the installation of the discharge piping system..

Everything Channel
All channel, allows you to use the same air conditioning unit to cool a smaller area nearby.

Fresh Air Intake
Fresh air can enter from the cassette unit, so you can enjoy more fresh air in a room.

Easy Troubleshooting
By adding a digital tube to the video card, Error Codes can be viewed directly for troubleshooting.