Introduction to VRV/F Systems with Roman Baugh HVAC School 1:32:09 10 months ago 51 548 Далее Скачать
What is VRV and VRF? | Animation| #HVAC #VRF #VRV #VariableRefrigerantFlow#VariableRefrigerantVolume Zebra Learnings 4:03 1 year ago 139 181 Далее Скачать
VRF/VRV HVAC Systems | Working principle and benefits | HVAC 11 AMJ Engineering 12:04 3 years ago 483 556 Далее Скачать
VRF O GENERAL PIPING INSTALLATION AND IT'S Y BRANCH ON SITE QUICK & EASY TO LEARN 0:40 1 year ago 1 932 Далее Скачать