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Model AC-25R-CO2
Low Leakage CO2 Control Damper
Single Round Blade
AC-25R-CO2 low leakage control damper employs a sturdy round frame and a single round blade for automatic air control. A modulating Belimo actuator controlled by a CO2 sensor sends open or close signals according to fresh air needs.
Standard Construction
Frame: 12" x 20 ga. (305 x 1.0) galvanized steel.
Blades: 14 ga. (2.0) equivalent galvanized steel - round.
Axles: 1/2" (13) diameter plated steel.
Bearings: Synthetic.
Seals: Polyethylene blade edge seals.
Control Shaft: 1/2" x 5" (13 x 127) round drive axle.
Sensor: CO2 Room Sensor.
Damper Actuator: Modulting, 24V proportional.
Transformer: 120V to 24V. Supplied loose.
Minimum Size: 6" Ø (152 Ø)
Maximum Size: 24" Ø (610 Ø)
Ratings
Maximum Leakage: 5.5 cfm/ft2 @ 10 in. wg. (0.028 m3/s/m2 @ 2.5 kPa)
5.0 cfm/ft2 @ 8 in. wg. (0.026 m3/s/m2 @ 2.0 kPa)
3.3 cfm/ft2 @ 4 in. wg. (0.017 m3/s/m2 @ 1.0 kPa)
1.5 cfm/ft2 @ 1 in. wg. (0.008 m3/s/m2 @ 0.25 kPa)
Temperature: -25oF to 180oF (-32oC to 83oC)