Honeywell ARD SERIES, EARD SERIES, ZD SERIES Specifications

TRUEZONE ARD, EARD, AND ZD SERIES DAMPERS
M35186
4-1/16
(103)
4-41/64
(118)
3-61/64
(100)
4-31/32
(126)
SPECIFICATIONS
IMPORTANT
The specifications given in this publication do not include normal manufacturing tolerances. Therefore, this unit may not exactly match the listed specifica­tions. Also, this product is tested and calibrated under closely controlled conditions, and some minor differences in performance can be expected if those conditions are changed.
Motor Electrical Rating: 24 Vac, 60 Hz, 8VA.
Motor Electrical Connection: Push terminals. Solid (not
stranded) wire is recommend.
Motor Nominal Angular Rotation: 90°.
Motor Torque: Minimum 71 in.-oz. (500 millinewton meters)
output torque available when motor is energized and device is at the spring return initial start position.
Nominal Motor Timing at 77°F (25°C) Ambient:
Energized at rated load: 30 seconds. De-energized (spring return): 10 seconds.
Motor Ambient Temperature Rating: 40° to 140°F (5° to 60°C).
Leakage: Less than 1% at 1/2 in. wc.
Pressure Drop: Maximum at full open: 0.0329 in. wc at 800
ft/min.
Maximum Static Pressure: 1 in. wc for all models except 0.3
in. wc for ARD20.
Motor Shaft Rotation Direction: Clockwise, when ener-
gized and viewed from the base or shaft end.
Motor Mounting Means: Direct connection to damper shaft.
Motor Mounting Position: Multi-poise.
Motor Dimensions: See Fig. 1.
Construction
ARD Dampers
Frame: Galvanized steel spiral duct, crimped on down-
stream side.
ARD Sizes: 5 in., 6 in., 7 in., 8 in., 9 in., 10 in., 12 in., 14 in.,
16 in., 18 in., and 20 in. diameters.
Gauge: ARD5-ARD12: 24 Gauge frame, and 22 Gauge
Blade: ARD14-ARD20: 22 Gauge frame, and 20 Gauge Blade
EARD Dampers
Frame: Galvanized steel spiral duct EARD Sizes: 5-, 6-. 7-, and 8-, inch diameter sizes
ZD Dampers
Frame: Solid construction using extruded aluminum frame
and blades ZD Sizes: Even sizes from 6in. x 6in. up to 36 in x 36 in. Damper dimensions: All ZD dampers are actually sized 5/
32 in. smaller than the listed size to ensure correct fit.
Fig. 1. Motor and damper dimensions in in. (mm).
33-00040—01 2
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