Hellow guys, Welcome to my website, and you are watching 에어컨 설치 시 전원선과 신호선을 구별하는 방법 - 신호선과 통신선을 구별하는 방법. and this vIdeo is uploaded by 냉난방이야기 at 2021-05-11T23:45:46-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.