CoolMaster is versatile gateway device that enables easy and fast integration of the
VRV/VRF air conditioning systems to HAI OmniProII, OmniIIe, Lumina, and Lumina Pro controllers. Exposing simple and
unique ASCII interface over RS232 communication line CoolMaster gains user application full
control on indoor units and provides access to VRV/VRF system parameters. In other words
CoolMaster hides complexity of internal HVAC communication line (including very unique
physical layer) and instead gives simple, comprehensive, well documented ASCII protocol
running on popular RS232 communication.
Since the device is Plug & Play, it can be easily installed by the integrator, without any need
for configuration or any other input from the HVAC installer on site.
The systems must be utilizing controller firmware 3.8 or later.