Reznor Reznor® DFCH Series Direct-fired/makeup Air System Model DFCH222

The Reznor Model DFCH Series units are direct-fired/makeup air system designed for either indoor or outdoor installation. Model DFCH is horizontally arranged. Units can be configured for floor mount, outdoor pad mount, rooftop or suspended installation. Maximum heating capacity is 12,830 MBH. Maximum air handling capacity is 90,000 CFM. The DFCH Series provide discharge air at a maximum temperature rise of 120°F. The gas manifold has stainless steel mixing plates and offers a 30:1 turndown ratio. There is also a solid state flame monitoring system and a burner observation port. The AMCA-rated forward curved DWDI centrifugal blower (Class I or Class II) has a polished steel shaft with rust inhibitor. Backward inclined, air foil and plug fans are also available. Heavy duty industrial bearings are standard. Adjustable V-belt drives are used on motors through 5 HP. Fixed drives are used on motors 7.5 HP and larger. Several options are available for internal and external vibration isolation including 1” or 2” deflection spring hangers and rubber-in-shear isolation.