PBUS
PBUS is a CoolAutomation’s proprietary bus interface, based on shielded 2-wired cable (AWG 22-24). It utilizes daisy chain network topology.
PBUS is intended for connection of CoolPlug devices to a CooLinkHub.
PBUS is a solution for complete integration of (multi) split HVAC units with Home Automation and BMS systems.
PBUS specific error codes
CP01 - CoolPlug has no connection to HVAC unit
CP02 - No communication with CoolPlug device
CP03 - CoolPlug device is in BOOT mode
CP04 - CoolPlug is not properly configured
CP05 - CoolPlug can not detect the HVAC unit