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The RDS series are galvanized steel, single blade dampers compete with a 24 V, spring return motor actuator. These dampers are shipped complete and ready for installation. The RDS can be installed in any position in any properly sized duct. All RDS dampers are rated for duct systems less than 1 in-WC. All RDS dampers are typically shipped as power close dampers that are powered close and spring returned opened. The RDS is also unique in that it can be field converted from powered closed to powered open in less than a couple of minutes.
Zonefirst® Zone Damper, Model: RDS, Single Blade, 4 in Lead Wire Electrical Connection, 5 to 95% RH Non-Condensing Humidity Rating, 30 s Nominal Powered, 8 s Spring Return Timing Range, 35 to 55 in-oz Torque, Steel, Galvanized, Inline Mounting, 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 150 deg F Operating, -20 to 175 deg F Storage, 9-3/4 in Length
| Model | : | RDS |
| Blade Type | : | Single |
| Electrical Connection | : | 4 in Lead Wire |
| Humidity Rating | : | 5 to 95% RH Non-Condensing |
| Timing Range | : | 30 s Nominal Powered, 8 s Spring Return |
| Torque Rating | : | 35 to 55 in-oz |
| Material | : | Steel |
| Finish | : | Galvanized |
| Mounting Type | : | Inline |
| 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 150 deg F Operating, -20 to 175 deg F Storage |
| Length | : | 9-3/4 in |
- The motor powers the damper closed and spring returns the damper open for fail-safe operation
- Synchronous motor has been tested to over 250000 cycles to provide long life
- The RDS motor also has a simple adjustment for setting the damper to a minimum position, a minimum position allows for excess by-pass air
- Direct drive linkage
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