RXRX-AR02

Carbon Dioxide Sensor

Honeywell Specification
and Installation Information

The table below shows how the CO2 sensor connects to the economizer on the current 3 to 25 ton package units.
Terminals on CO2 Wire Color Economizer Terminals Function
G+ RED 24V Hot * 24 Volt Power
GO BLACK 24V com * 24 Volt Power
Out1 YELLOW AQ Output Signal
M BROWN AQ1 Output Common
  ORANGE Not used These are wires for a contact circuit.
  BROWN Not used
NOTE: * Power (24 VAC) may be field supplied from an alternative source.

Back