External Sensor Names: Supply Air Temperature, Return Air Temperature, Supply Air Humidity, Rack Inlet Temperature 1, Rack Inlet Temperature 2, Rack Inlet Temperature 3, Entering Fluid Temperature, Leaving Fluid Temperature, Compressor Drive Heatsink Temperature, Compressor Drive Control Card Temperature, & Return Air Humidity. External Sensor Fields: Name, Type, & Value. Binary Sensor: Name & On/Off State.