23 / 06 / 2016
In VRF air conditioning systems can we operate some of the indoor units in cooling mode and some others in heating mode?
![In VRF air conditioning systems can we operate some of the indoor units in cooling mode and some others in heating mode?](https://ac.inv-static.com/images/blog/FAQ/sta-vrf-systimata-mporoun-kapoies-esoterikes.jpg)
It is possible when the unit is heat pump type and the whole structure of the installation has been designed for this purpose. Such installation should include 3-pipe system units, outdoor units with Inverter compressors modular operating and the suitable control system.