Item	Downblast Ventilator
Drive Type – Roof Ventilators	Direct Drive
Duty Rating – Roof Ventilators	Standard
Drive Package With Motor Included	Yes
Voltage – Roof Ventilators	115VAC
Motor HP – Roof Ventilators	1/8
Base Size – Roof Ventilators	19″ x 19″
Number of Speeds	3
Mounting Location – Roof Ventilators	Roof
Wheel Dia.	10-1/2″
Item – Roof Ventilators	Downblast Ventilator
CFM @ 0.000-In. SP	717/888/1059
CFM @ 0.125-In. SP	570/780/969
CFM @ 0.250-In. SP	389/640/863
CFM @ 0.375-In. SP	-/493/745
CFM @ 0.500-In. SP	-/184/623
CFM @ 0.625-In. SP	-/-/474
CFM @ 0.750-In. SP	-/-/-
Sones @ 0.125-In. SP @ 5 Ft.	4.5/6.7/9.3
Sones @ 0.250-In. SP @ 5 Ft.	4.5/6.4/8.8
Phase	1
Hz	60
Max. Operating Amps	1.5/2/2.7
Max. BHP	0.04/0.07/0.12
RPM	1050/1300/1550
Base Height	1-3/4″
Overall Dia.	21-3/4″
Overall Height	14-5/8″
Shaft Dia. Wheel End	1/2″
Max. Inlet Temp.	130 Degrees
Housing Material	Spun Aluminum
Wheel Material	Aluminum
Wheel Type	Backward Inclined Centrifugal
Speed Control	48C172
Speed Controllable	Yes
Adj. 12 3/8″H Roof Curb Stock No.	2ZV82
Adj. 6 3/8″H Roof Curb Stock No.	4C453
Assembled/Unassembled	Assembled
Recommended 12 In. Fixed Curb Item No.	2RB75
Recommended 8 In. Fixed Curb Item No.	4HX38
Agency Compliance	AMCA Sound & Air, UL/cUL 705, CSA Certified Motor
Dimension A	19″
Dimension B	21-3/4″
Dimension C	14-5/8″
Dimension D	4″
Includes	NEMA 1 Junction Box

DAYTON 4YC67 Direct Driven Downblast Ventilators

Description