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General Installation
Electrical Guidelines
All wiring shall be done in accordance with the
National Electrical Code ANSI/NFPA-70 latest edition,
any local codes that may apply, and wiring diagrams
developed in compliance with the job or project
design and specifications.
Setting Desired CFM on the ABD Damper
Verify the minimum and maximum setpoints are in the available range (see Figure 3 and 4).
Adjusting the Minimum CFM
Loosen the bolt to adjust to move drive link to primary or alternate linkage location. See Detail A for correct linkage
location.
Adjusting the Maximum CFM
How the maximum CFM adjusted. Loosen the wing nut on crank arm, adjust full-open stop clockwise until specified
maximum CFM setpoint is achieved. Tighten wing nut.
Note: ABD-Z2 is adjustable in the field. Make sure full open stop does not over travel. If you over adjust, you can
wreck the unit.
Primary linkage location
Use for units with minimum
cfm less than 75
Alternate linkage location
Use for units with minimum
Detail A
cfm of 75 or more
Figure 1: ABD-Z2 4 inch
2
ABD-Z2
Important!
Electrical input may be needed for this equipment.
This work should be performed by a qualified
electrician. Verify power before wiring actuator.
Greenheck is not responsible for any damage to, or
failure of the unit caused by incorrect field wiring. To
avoid causing death or serious bodily harm to building
occupants, follow all instructions carefully. Dampers
must close completely to preserve the integrity of the
fire smoke separation.
Alternate linkage location
Primary linkage location
Crankarm
wing nut
ABD
A
Actuator
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