Dayton #7HY66 Specifications

• Mfr #: 7HY66

• Item - Roof Ventilators: Upblast Ventilator
• Drive Package With Motor Included: Yes
• Duty Rating - Roof Ventilators: Hazardous Location
• Drive Type - Roof Ventilators: Belt Drive
• Mounting Location - Roof Ventilators: Roof
• Number of Speeds: 1
• Voltage - Roof Ventilators: 115V AC/208V AC/230V AC
• Motor HP - Roof Ventilators: 3/4 hp
• Base Size - Roof Ventilators: 30 in x 30 in
• CFM @ 0.000-In. SP: 4061
• Recommended 12 In. Fixed Curb Item No.: 2RB79
• CFM @ 1.000-In. SP: 2652
• CFM @ 0.250-In. SP: 3786
• CFM @ 2.000-In. SP: -
• Max. Operating Amps: 11.0/5.4-5.5
• Shaft Dia. Wheel End: 3/4 in
• Item: Upblast Ventilator
• Wheel Material: Aluminum
• Base Height: 1 3/4 in
• CFM @ 0.875-In. SP: 2926
• Mounting Location: Roof
• CFM @ 0.750-In. SP: 3141
• Adj. 12 3/8"H Roof Curb Stock No.: 2ZV83
• CFM @ 2.500-In. SP: -
• Base Width: 30"
• Includes: Hazardous Location Motor that meets Class I, Groups C & D AND Class II, Groups E, F & G
• Motor HP: 3/4
• Speed Controllable: no
• Overall Height: 36 1/2 in
• CFM @ 0.625-In. SP: 3345
• Base Square Size - Roof Ventilators: 30" x 30"
• Drive Type: Belt-Drive
• CFM @ 2.75-In. SP: -
• Overall Dia.: 35 3/8 in
• Hz: 60
• CFM @ 1.500-In. SP: -
• Recommended Damper Size (In.): 23 x 23
• Dimension D: 21 in
• Max. BHP: 0.78
• Bearing Type: Sealed Pillow Block
• Max. Inlet Temp.: 300 Degrees
• CFM @ 0.375-In. SP: 3666
• CFM @ 0.500-In. SP: 3554
• Drive Package Included: Yes
• Motor Voltage: 115/208/230
• CFM @ 0.125-In. SP: 3919
• RPM: 1075
• Sones @ 0.125-In. SP @ 5 Ft.: 16.2
• Dimension A: 30 in
• Sones @ 0.500-In. SP @ 5 Ft.: 15.5
• CFM @ 1.250-In. SP: -
• Housing Material: Spun Aluminum
• Wheel Dia.: 18 1/2 in
• Adj. 6 3/8"H Roof Curb Stock No.: 4c454
• Recommended 8 In. Fixed Curb Item No.: 4HX41
• Phase: 1
• Base Length: 30"
• Recommended Damper Stock No.: 4HX67
• CFM @ 1.75-In. SP: -
• Dimension C: 34 3/4 in
• Standards: Motor only UL Listed for Class I Groups C & D and Class II Groups E, F, & G hazardous locations
• Assembled/Unassembled: Unassembled
• Dimension B: 35 3/8 in
• CFM @ 2.250-In. SP: -
• Sones @ 0.250-In. SP @ 5 Ft.: 15.8
• Requires: Roof curb for new installations
• Country of Origin (subject to change): Multiple