Technical Specifications

Performance Features

Airflow capacities from 45 to 3700 cfm

Round inlet sizes from 4 in. through 16 in. diameter

Rectangular inlet on size 22

22 gauge, galvanized steel casing construction

Converts high-pressure mechanical constant volume systems to low-pressure variable volume systems

Linear, multiple-point, averaging velocity sensor with an amplified signal

Damper blade has a flexible gasket for tight airflow shutoff

Damper blade operates over a full 90°

All damper assemblies utilize a solid ½ in. shaft that rotates in self-lubricating Delrin® bearings

Pressure independent or dependent controls, including Carrier i-Vu Open (BACnet), Carrier Comfort Network® (CCN), analog, or pneumatic controls

Reliability Features

Casings meet UL-181 and NFPA-90A requirements

Maintenance Features

NEMA 2 steel control enclosure for electric or electronic components

Label information adhered to each unit includes model, size, airflow (cfm), balancing chart, and tagging data

Installation Features

Factory-installed controls

All round collars accommodate standard spiral and flex duct sizes

Balancing taps provided for easy airflow verification

Standard Warranty

One-year parts

Factory-Installed Options

Control options: Analog electronic controls, Carrier i-Vu Open VAV or VVT controls, Carrier Comfort Network (CCN) VAV or VVT controls, Pneumatic controls, No controls or field-supplied DDC (direct digital controls) third party controls for factory mounting

Left-hand or right-hand control enclosure

20 gauge, galvanized steel casing

304 stainless steel casing

Field-Installed Accessories

Remote wall sensor

Supply-air temperature sensor