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The IO HVAC CONTROLS CD-2222 is a rectangular zone damper designed for ducted zoning systems in residential and light commercial HVAC applications. Built to fit a 22-inch by 22-inch duct opening, this damper uses a Belimo 3-wire actuator to control airflow in individual zones, allowing the system to deliver conditioned air only where it is needed. The 3-wire actuator configuration supports both open and closed control signals, providing reliable modulation and position confirmation. At 15 pounds, the assembly is robust enough for long-term installation in sheet metal ductwork. Licensed HVAC technicians handle the installation and wiring of this component as part of a complete zoning system.
This damper is suited for zoned forced-air systems in residential and light commercial buildings where independent temperature control is required across multiple areas or floors. It is specifically cited as compatible with Carrier and Bryant zoning systems, making it a direct-fit option for contractors servicing those equipment lines. The Belimo 3-wire actuator is a widely recognized component in commercial and residential zoning, and its use here ensures consistent, repeatable damper operation over the service life of the system.
Designed for use with Carrier and Bryant rectangular ducted zoning systems requiring a 22-inch by 22-inch zone damper with a Belimo 3-wire actuator.
Installation should be performed by a licensed HVAC technician familiar with ducted zoning systems and low-voltage control wiring. Shut down the air handler and de-energize all low-voltage zone control circuits before beginning installation. Verify the duct opening dimensions and confirm the zoning control panel is compatible with a 3-wire Belimo actuator before wiring. Follow local mechanical codes and the zoning panel manufacturer wiring diagrams for proper actuator hookup.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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