Greenheck ABD Series Montage- und Bedienungsanleitung
Receiving and Handling
Upon receiving dampers, check for both obvious
and hidden damage. If damage is found, record all
necessary information on the bill of lading and file
a claim with the final carrier. Check to be sure that
all parts of the shipment, including accessories, are
accounted for.
Dampers must be kept dry and clean. Indoor storage
and protection from dirt, dust and the weather is
highly recommended. Do not store at temperatures in
excess of 100°F (38°C).
This manual is the property of the owner and is required for future maintenance. Please leave it with the owner when
the job is complete.
Safety Warning
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, injury
or death. Read the installation, operating, and
maintenance instructions thoroughly before installing
or servicing this equipment.
Table of Contents
General Installation............................................ 2
Round Duct/Opening Installation ...................... 2
Square Duct/Box Transition Installation ........... 3
Grille Mount Box Installation ............................. 3
Operation - CFM Set-Point Adjustment ............ 4
Maintenance ..................................................... 4
See complete marking on
product.
UL 2043 Classification
R39668
These instructions apply to the automatic balancing damper, including dampers with a transition and a grille mount
box. The ABD is a reversible product and can be used for exhaust or supply applications.
NOTE: The ABD is air flow dependent and the direction of airflow through the product is critical for proper operation.
®
Automatic Balancing Dampers 1
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Document 483591
ABD Series
Installation, Operation and Maintenance Manual
Please read and save these instructions for future reference. Read carefully before attempting to assemble, install,
operate or maintain the product described. Protect yourself and others by observing all safety information. Failure
to comply with these instructions will result in voiding of the product warranty and may result in personal injury
and/or property damage.
General Installation
Greenheck’s ABD dampers can be installed anywhere a constant volume of air is required. Assure that the airflow
direction is properly aligned for your application (see Figure 1).
The ABD is designed for installation without the need for any screws or fasteners. The adjustment of the cfm
set-point is accomplished by positioning the set-point indicator to the notch corresponding to the desired cfm (see
Figure 2). The damper must be mounted such that the set-point ridges are located on the bottom of the damper
(see Figure 3).
Figure 4
Figure 2
Figure 3
Spiral Duct or Round Collar
(by others)
Round Duct/Opening Installation
The damper can be pressed into a round duct without the need for fasteners. The provided perimeter gasket
provides a press fit grip to hold the valve in place without the need for additional fasteners or adhesives.
Remove the adapter plate from the end of the ABD and slide the damper into either spiral duct or round duct (see
Figure 4), or any rigid round opening, such as the neck of a diffuser.
Note: The perimeter gasket material can be removed from one end and moved to the opposite end if needed for
installation.
Figure 1
Airflow
Automatic Balancing Dampers2
®
Square Duct/Box Transition Installation
Grille Mount Box Installation
Greenheck model ABD-GM is designed for applications where round duct terminates at a square grille. The
ABD-GM is supplied with a factory installed grille mounting box (see Figure 7). The grille can also be factory
supplied. Factory supplied grilles are shipped loose. Screws can be used to secure the grille mount box into place.
Installation into square duct requires a square to round transition. Greenheck model ABD-T is supplied with a factory
square to round transition. The size of the transition can be specified at the time it is ordered. (see Figure 5).
The square to round transition can be inserted into a square duct or plenum box (see Figure 6). Sheet metal screws
can then be used to secure the ABD-T into place.
Note: If the valve is installed in a continuous duct run, an access panel or door should be provided for periodic
cleaning, inspection, or adjustment.
Figure 6Figure 5
Figure 7
4 in. model with 6 in. x 6 in.
transition shown
Automatic Balancing Dampers 3
®
Damper Maintenance
Dampers do not typically require maintenance as long as they are kept dry and clean. If cleaning is necessary, wash
with water. No solvents should be used in cleaning, as they could damage the valve or gasket. In addition, ABD
dampers incorporate Steri-BalanceTM into all plastic components. Steri-BalanceTM is a non-caustic material that
inhibits antimicrobial growth.
Operation - CFM Set-Point Adjustments
The design of the Greenheck ABD allows for easy field adjustment to over 20 cfm set-points.The set-point range for
the 4 and 5 inch damper is 25 to 125 cfm. For the 6 inch damper, the range is 55 to 250 cfm.
Adjusting the damper to the target cfm set-points can be done without tools. Simply slide the set-point indicator on
the face of the damper to the desired point.
The damper should only be adjusted by means of the adjustment arm. Do not operate the damper via the blade.
Adjusting or operating the damper by the blade can change the tension of the stainless steel spring and could
change the operating range of the damper.
483591 • ABD Series, Rev. 1, September 2018 Copyright 2018 © Greenheck Fan Corporation4
As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications
without notice.
Product warranties can be found online at Greenheck.com, either on the specific product page or in the literature
section of the website at Greenheck.com/Resources/Library/Literature.
®
Phone: 715.359.6171 • Fax: 715.355.2399 • Parts: 800.355.5354 • E-mail: [email protected] • Website: www.greenheck.com
Our Commitment
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