Does anybody have advice on how often a CO2 monitor needs to be calibrated and what steps are taken during this process. The use of the monitor is to vary the ventilation depending on the occupancy of a gymnasium.
Thank you for your replies regarding the multi-zone. They still think that one CO2 sensor in the return duct of a multi-zone used in a school satisfies the intent of the ASHRAE ventilation requirements. I feel that this method of controlling outside air violates the requirements of providing...
Another HVAC Consultant claims that a CO2 sensor in the return air for a multi-zone AHU satisfies the intent of ASHRAE 62.1 for a school. My claim is that the proper ventilation air must be provided to each classroom (as reduced per ASHRAE 62.1 for multi-zones) and that meeting this with a...
