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The CRDS series are galvanized steel, one blade dampers compete with a 24 V, spring return motor actuator. These dampers are shipped complete and ready for installation. The CRDS can be installed in any position in any properly sized duct. All CRDS dampers are rated for duct systems less than 1 in-WC. All CRDS dampers are typically shipped as normally open dampers that are powered closed and spring returned opened. The CRDS is also unique in that it can be field converted from powered closed to powered open in less than a couple of minutes.
WHITE-RODGERS™ Zone Damper, Model: CRDS, Single Blade, 4 in Lead Wire Electrical Connection, 5 to 95% RH Non-Condensing Humidity Rating, 30 s Powered, 8 s Spring Return Timing Range, 35 to 55 in-oz Torque, Steel, Galvanized, Power Closed, Spring Return Motor, Motor Specifications: 24 VAC at 50/60 Hz, 6.5 W, 7 VA, Round Shape, 1 in-WC, 0 to 120 deg F Operating, 10 in Length
| Model | : | CRDS |
| Blade Type | : | Single |
| Electrical Connection | : | 4 in Lead Wire |
| Humidity Rating | : | 5 to 95% RH Non-Condensing |
| Timing Range | : | 30 s Powered, 8 s Spring Return |
| Torque Rating | : | 35 to 55 in-oz |
| Material | : | Steel |
| Finish | : | Galvanized |
| Motor Type | : | Power Closed, Spring Return |
| Motor Specifications | : | 24 VAC at 50/60 Hz, 6.5 W, 7 VA |
| Shape | : | Round |
| Pressure Rating | : | 1 in-WC |
| Temperature Rating | : | 0 to 120 deg F Operating |
| Length | : | 10 in |
- A minimum position allows for excess by-pass air
- The CRDS motor also has a simple adjustment for setting the damper to a minimum position
- The motor powers the damper closed and spring returns the damper open for fail-safe operation
- Minimum position screw, direct drive linkage
Specification Sheet
