Carbon Monoxide Ventilation Control Parking Garage

As cities around the world continue to grow the need for parking becomes an integral part of new commercial and municipal building plans.

Carbon monoxide ventilation control parking garage.

In multi level parking garages or single level structures of extensive area independent fan systems each under individual control are recommended the ventilation system in parking garages in. Understanding the parking garage opportunity. Variable speed drive will significantly lower energy costs over time. Using co 2 to control odors in parking facilities.

Control and detection equipment carbon monoxide co is the major pollutant in parking facilities. In the 2015 imc update carbon monoxide co and nitrogen dioxide no2 sensor based control of the ventilation equipment in enclosed parking garages officially became the only alternative to running the fans at full speed all the time. The 2018 code continues to move best practices forward with respect to both energy efficiency and human safety. Variable speed exhaust fan with carbon monoxide sensors design a ventilation system with a variable speed drive that will modulate the fan speed based on the concentration of carbon monoxide in the garage.

While many parking garage applications require a carbon monoxide transmitter with a current or voltage signal to a building management system bms controller there are applications for smaller garages service stations for the carbon monoxide sensor to provide relay contacts to control the fan or damper operation directly without the bms controller. Background on carbon monoxide sensing technologies for parking garages. These systems are considered stand alone systems. Co is a colorless odorless poisonous gas produced from the incomplete combustion of carbon based fuels.

In fact all enclosed parking garages in north america are subject to ventilation standards established by the international mechanical code imc and the american society of heating refrigeration and air conditioning engineers ashrae to help ensure the safety of those using the parking garage. The concentration of other pollutants such as nitric oxides and soot are considered less critical. Stand alone carbon monoxide control. Our experience has been that the standard 62 1 2013 garage exhaust rate is extremely conservative.

The dwyer series gsta carbon monoxide and nitrogen dioxide gas transmitters offer robust low cost alternative to standalone garage ventilation control packages. With fan speed controlled by carbon monoxide co concentration as required by ashrae standard 90 1 20133and california s 2013 title 24 energy standards4for most garages we find exhaust rates seldom exceed half of the design rate and even then only for short periods in the evening rush hour due to cold engine starts. Co 2 reference library.