The Direct Gas Fired Make-Up Air package is designed to deliver tempered make-up air for installations requiring frequent air changes.
Units are designed for natural and propane gas applications, and for indoor or outdoor installation.
Direct Gas-Fired Heater, for use in tempering make-up air. Packages are certified to the ANSI Z83.4a-2001/CSA 3.7a-2001 combined safety standard.
One size is available with a max BTU rate of 241,290 and 1,800 CFM. Units are designed for natural or propane applications and are rated for indoor/outdoor installations in commercial occupancies.
A unique feature is the self-adjusting burner profile plates allowing 2-speed and variable-air-volume applications.
The plates ensure proper air velocity and pressure drop across the burner for clean combustion.
Spring-loaded profile plates react to the momentum of the fresh air stream, therefore, no motors or actuators are needed to drive them, nor do they need to be manually set to a specific position.