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The round damper series is a single blade damper in a round spiral duct. This damper is complete with motor and can be ordered as a 24 VAC spring return (two wire), model RDS or power open-power closed (three wire) model RDM or with the new 12 VDC plug-in motor, model RDP. The RDP is used only with the plug-in zoning panels. These model numbers are followed by the size diameter in inches as shown below. These actuators are the same as on the ZD dampers above. The RDP must be used with the new plug-in zone panels on page 2. The RDM is more often used for by-pass control. The RDS is a spring return damper used for zoning and is shipped normally open however can be easily converted to normally closed. For high-pressure/velocity systems over 0.5 in S.P. Use the RDP or RDM dampers.
Zonefirst® Damper, RDP Series, 12 VDC, 0.07 A, Circular Blade, RJ11 25 ft Modular Cord Electrical Connection, 5 s Powered Open/Closed Timing Range, Steel, Galvanized, Power Open, Power Closed Motor, Round Shape, 2 in-WC, 0 to 150 deg F, -20 to 175 deg F Storage, Domestic/Import: Domestic
| Series | : | RDP Series |
| Voltage Rating | : | 12 VDC |
| Amperage Rating | : | 0.07 A |
| Blade Type | : | Circular |
| Electrical Connection | : | RJ11 25 ft Modular Cord |
| Timing Range | : | 5 s Powered Open/Closed |
| Material | : | Steel |
| Finish | : | Galvanized |
| Motor Type | : | Power Open, Power Closed |
| Shape | : | Round |
| Pressure Rating | : | 2 in-WC |
| Temperature Rating | : | 0 to 150 deg F, -20 to 175 deg F Storage |
| Domestic/Import | : | Domestic |
- Plug-in 12 VDC motor power open/close
- Daisy chain upto 10 dampers on each zone
- Direct driver linkage
- 4.69 in-lb, 75.04 in-oz, 0.53 N-m torque
- 5 to 95% non-condensing humidity
- Maximum 2 in-WC duct pressure
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