| Additional Information | : | 8 x 18 in Opening Size |
| Blade Type | : | Parallel |
| Electrical Connection | : | Push Terminal |
| Frequency Rating | : | 60 Hz |
| Height | : | 4-31/32 in |
| Length | : | 3-61/64 in |
| Material | : | Aluminum |
| Model | : | ZD |
| Motor Type | : | Spring Open, Power Closed |
| Mounting Type | : | Bottom |
| Pressure Rating | : | 1 in-WC |
| Shape | : | Rectangular |
| Temperature Rating | : | 40 to 140 deg F |
| Timing Range | : | 30 s Power Open, 10 s Spring Return |
| Torque Rating | : | 71 in-lb |
| VA Rating | : | 8 VA |
| Voltage Rating | : | 24 V |
| Width | : | 4-41/64 in |
Honeywell Blade Damper, Model: ZD, 24 V, 60 Hz, VA Rating: 8 VA, Parallel Blade, Push Terminal Electrical Connection, 30 s Power Open, 10 s Spring Return Timing Range, 71 in-lb Torque, Aluminum, Bottom Mounting, Spring Open, Power Closed Motor, Rectangular Shape, 1 in-WC, 40 to 140 deg F, 3-61/64 in Length, 4-41/64 in Width, 4-31/32 in Height, Additional Information: 8 x 18 in Opening Size
- The ZD is a power close and spring open damper
- It has a 24 V motor used to control circulating air in HV systems and used when a normally open damper is required
- The ZD is typically used with the TrueZONE® and other electronic zoning systems
- Mechanical visual position indicator for damper status
- Solid construction using extruded aluminum frame and blades
- Parallel blade design for low leakage performance
- Simple, easy to wire, two-wire installation
- Reliable, strong, 24 V spring return motor
- Fail safe, normally open operation
- Damper can be installed in any orientation
- Taping flange and non-interfering setscrew
- High temperature outer plastic for hot environments
- Redesigned all metal drive train gears
- Front facing display with LED indication light for open and close
- Adjustable damper position range stops
- 90 deg motor nominal angular rotation
- Less than 1% at 1/2 in-WC leakage
- Clockwise, when energized and viewed from the base or shaft end motor shaft rotation direction
- Direct connection to damper shaft
- Terminals M1-power, M6 common, M4 (optional) LED indication wires to motor