Honeywell ARD5TZ ARD and EARD Series Damper Datasheet

Datasheet for Honeywell models including: ARD Models, ARD5TZ, ARD6TZ, ARD7TZ, ARD8TZ, ARD9TZ, ARD10TZ, ARD12TZ, ARD14TZ, ARD16TZ, ARD18TZ, ARD20TZ, EARD Model, EARD5TZ, EARD6TZ, EARD7TZ, EARD8TZ, ARD and EARD Series Damper

33-00265—01 - ARD and EARD Series Damper

Submittal Sheet

Honeywell ECC Technical Communications Grizli777

33-00265—01 - ARD and EARD Series Damper

Submittal

TrueZONE Round Damper | zoning | Metalworks HVAC Superstores

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33-00265

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no longer manufactured.

ARD and EARD Series Damper

Job Name Engineer Mechanical Contractor Contractor's P.O. No. Representative Notes

Model(s) Qty. Qty. Qty.
Approval Service Tag No.

SUBMITTAL SHEET
Notes Notes Notes

APPLICATION
The ARD is a power close and spring open zone damper. It has a 24-volt motor used to control circulating air in HVAC systems and is used when normally-open damper is required. The ARD is typically used with Honeywell TrueZONE electronic zoning systems and others.
The EARD is a power open and spring closed fresh air damper. It has a 24-volt motor used to control circulating air in fresh air ventilation. The EARD is typically controlled by an IAQ thermostat or other whole house ventilation control.
ARD AND EARD FEATURES
ARD Features
· Adjustable close position range stops. · Shipped as power closed/spring return open damper. · Available in 5 to 10 inch, 12, 14, 16, 18, and 20 inch diameter
sizes. · Male (crimped) and female (uncrimped) ends to connect to
any rigid or flexible round duct. · Rated to operate up to 1 in. wc. · Blade closes off tightly against gasket for minimal leakage. · Fail-safe, normally open operation. · Simple, easy-to-wire, two-wire (M1 and M6) installation.
Optional third wire (M4) powers LED in open position only (does not power motor).
EARD Features
· Adjustable open position range stops. · Shipped as power open/spring return closed damper. · Available in 5 to 8 inch diameter sizes. · Blade closes off tightly against gasket for minimal leakage. · Galvanized steel damper construction. · Rated to operate up to 1 in. wc. · Simple, easy-to-wire, two-wire installation. · Male (crimped) and female (uncrimped) ends to connect to
any rigid or flexible round duct.

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 77F (25C) Ambient: Energized at rated load: 30 seconds. De-energized (spring return): 10 seconds. Motor Ambient Temperature Rating: 40 to 140F (5 to 60C). 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. Motor Shaft Rotation Direction: Clockwise, when energized and viewed from the base or shaft end. Motor Mounting Means: Direct connection to damper shaft. Motor Mounting Position: Multi-poise.
Construction
ARD Dampers Frame: Galvanized steel spiral duct, crimped on downstream side. ARD Sizes: 5 to 10 inch, 12, 14, 16, 18, and 20 inch diameter. Gauge: ARD5-ARD12: 24 gauge frame, and 22 gauge blade. Blade: ARD14-ARD20: 22 gauge frame, and 20 gauge blade.
EARD Dampers Frame: Galvanized steel spiral duct. EARD Sizes: 5 to 8 inch diameter.
REPLACEMENT PARTS
Actuator assembly: ARD: M847D-ZONE EARD: M847D-VENT

Table 1. ARD models. ARD models ARD5TZ ARD6TZ ARD7TZ ARD8TZ ARD9TZ ARD10TZ ARD12TZ ARD14TZ ARD16TZ ARD18TZ ARD20TZ
Table 2. EARD models. EARD models EARD5TZ EARD6TZ EARD7TZ EARD8TZ
Damper dimensions: ARD and EARD dampers are all approx. 2" longer than the damper diameter. Damper diameter is the number listed after ARD. (Example ARD8TZ is 8" diameter).

Table 3. Approximate ARD/EARD Bleed Rate.

Range stop Bleed

setting

Rate

Closed

16%

30%

50%

Dimensions in inches (mm).

Home and Building Technologies
In the U.S.: Honeywell 1985 Douglas Drive North Golden Valley, MN 55422-3992 customer.honeywell.com

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