UL E4436 Listed

• Non-dispersion-infrared (NDIR) technology used to measure carbon dioxide gas C7232 provides voltage or current output based on CO2 levels Automatic background calibration (ABC) algorithm based on long-term evaluation reduces required typical zero-drift check maintenance 50/60 Hz frequency Used for CO2 based ventilation control (demand control ventilation (DCV)) (6) 20 ga 6 in L lead wire electrical connection Contact ratings 1 A at 50 VAC/24 VDC (1) normally open SPST relay outputs 1 min response time 5% full scale accuracy Adjustable sensor range 0/2 - 10 VDC or 0/4 - 20 mA selectable analog current output Without display and Honeywell logo

These stand-alone Carbon Dioxide (CO2) sensors and controllers are used for determining ventilation necessity with HVAC controllers and to manage the amount of fresh outdoor air supplied to maintain acceptable levels of CO2 in the space.