VRV VRF Master Outdoor Detail Information How to Find Slave 1 and Slave 2 & Master unit

#howtofindmasteroutdoor #VRV #VRF In this video you can learn how to find master outdoor and slave 1& slave 2 . what process you have to do in PCB board to find above following things please subscribe to our channel for more informative videos about HVAC MEP don't forget to press the bell icon 🔔🔔🔔🔔