16 VENTILATION SYSTEMS Airflow Performance Data (CFM) 1 550 700 750 850 2 900 1250 1400 1500 5 1600 2150 2300 2600 8 1900 2500 2750 3000 9 2000 2750 3000 3300 11 2250 3050 3400 3550 0.05 0.1 0.125 0.15 Static Pressure (In, H20) Opening Width (In) #HSIN3000C-I Provides accurate control of incoming to direct it across ceiling to reduce drafts at floor level. Insulated Actuated Bifold Inlets Side Entry Cleat Allows for fast and easy adjustment of the rope. Cleat retains the rope securely when adjustment is not necessary. Latch Mount and Cable Guide Side mounted latch does not get blocked while opening by ceiling obstructions. Latch shuts the inlet tightly and securely. Combination piece also serves as a guide for the rope that helps open/close the inlet. High-Strength, LowStretch Rope Premium strength Lift-All Treated Poly rope with a vectran core minimizes stretching rope. P seal made of EDPM located in the middle of the inlet between the top of the door and the frame. Reduces cold air leaking out of center. Tongue & groove interference seal profile runs along the edge of the door and frame to ensure that the inlet shuts completely with no gaps between the door and the frame. Two Eye Bolts Easily mount the inlet to the ceiling in either orientation. Brush seal is used for additional protection. Rough opening: 25” x 27-1/2” Airflow Performance Data (CFM) 1 300 650 950 1150 2 700 1600 2150 2500 5 1700 2850 3700 4400 8 2800 4200 5250 6050 9 2850 4550 5750 6750 11 3200 4950 6300 7350 0.05 0.1 0.125 0.15 Static Pressure (In, H20) Opening Width (In) #HSIN4900C-I Rough opening: 24-1/2” x 46-1/2”
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