Download PDF for Print 5/11/2024

Direct Fired Make-up Air Heater

Item

Designed for commercial kitchen applications or industrial buildings with process exhaust. The direct gas burners are 92% efficient and operate on natural gas. Units constructed of 18 gauge galvanized steel with standard lifting lugs for easy installation. Cabinet is lined with 1-inch foil faced insulation, includes a motorized intake damper and weatherhood with washable aluminum air filters.

  • Natural gas burners are 92% efficient
  • Burners are capable of 25:1 turndown ratio
  • Heating capacities of up to 300,000 BtuH
GREEN Product GREEN Product
  • 92% Efficient Gas Burner
  • Increased Ventilation
  • Meets Minimum & Optimize Energy Performance
  • Meets Minimum IAQ Performance
  • Outdoor Air Delivery Monitoring
  • Thermal Comfort Design
Item
ABCD
106 1/8 in76 1/2 in29 3/4 in31 1/2 in
EF
67 1/2 in2 1/2 in

Performance Characteristics
Item

Construction Features

Impeller TypeBackward Inclined Centrifugal
Impeller MaterialSteel
Drive Package DescriptionDrives Assembled
Warranty Length1 Year

Motor Information

Motor Item Number4YU31
Voltage115/208-230
Hertz (Cycle)60 Hz
Motor Phase1
Motor EnclosureOpen Drip Proof
RPM1,725 rpm
Full Load Amps13.2/7.2-6.6

Other Components

ComponentDescriptionItem #
Fan DescriptionMake-up Air—
BeltA42 (QTY: 1)1A109
Driver Sheave1VL40x7/83X500
Driven SheaveAK51x3/43X786

Air & Sound Performance
Motor HPMax BHPFan RPMCFM @0.250'' SP0.375'' SP0.500'' SP0.625'' SP0.750'' SP
1 1/20.56973CFM1745————
Sones11.1————
1 1/20.67999CFM1945————
Sones11.6————
1 1/20.801030CFM21301790———
Sones12.5————
1 1/20.961069CFM235020851715——
Sones13.9————
1 1/21.211105CFM253023002000——
Sones15.2————
1 1/21.251132CFM2660245022001850—
Sones16.2————
1 1/21.431170CFM2830265024252145—
Sones17.5————
1 1/21.501182CFM28852710259522351895
Sones17.8————
1 1/21.671214CFM30262863267524452150
Sones19.1————

Agency Compliance

ETL
Agency Compliance