GREENHECK XG-AFL and XG-AFLC Architectural Linear Slot Diffuser Installation Guide
- June 9, 2024
- GREENHECK
Table of Contents
XG-AFL and XG-AFLC Architectural Linear Slot Diffuser
Installation, Operation and Maintenance Manual
XG-AFL and XG-AFLC Architectural Linear Slot Diffuser
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.
Getting Started
- Before starting, inspect all shipping boxes for visible damage. If any visible damage is found, note it on the BOL and contact your local Greenheck Representative.
- If you decide to keep the shipment, take all linear diffusers out of the shipping boxes and inspect for any manufacturing flaws or hidden damage. If anything is found, contact your local Greenheck Representative.
- Once all product is accounted for in acceptable condition locate any mounting hardware (if included) and be sure to keep this hardware with the applicable diffuser.
- Referring to the Model Nomenclature on the following page and the Table of Contents on this page, proceed to the appropriate page within this IOM to begin installation.
Model Nomenclature
Border Types – Dimensional Drawings
End Types
Mounting F Clip Breakdown for the XG-AFL
Installation
Installation Instructions for Drywall Surface Mount – Model XG-AFL
This section applies to Greenheck model XG-AFL-AA, XG-AFL-AC and XG-AFL-CC
specifically. The XG-AFL is a high capacity architectural linear slot
diffuser. The “A” represents exposed frame/flange border and the “C”
represents a tape and spackle border.
Step 1 – Mounting Hardware
A. Locate and ensure all proper mounting clips were supplied with the linear
diffuser before starting installation. Installation clips for the XG-AFL are
referred to as F Clips and the types are displayed on the previous page.
Regardless of the type of F Clip ordered, Figure 1 shows how many should have
been supplied by the factory for installation
based on the length of the linear.
Figure 1 (Step 1A)
| XG-AFL Linear Length | # of F Clips Supplied |
|---|---|
| 24″ or less | 2 each side (4 total) |
| > 24″ to 48″ | 3 each side (6 total) |
| > 48″ to 72″ | 4 each side (8 total) |
Step 2 – Framing the Opening
A. Before installing drywall, an adequate frame must be constructed for the
Greenheck XG-AFL Architectural Linear Slot Diffuser. This framing must be
suitable to hold the weight of the diffuser (typically wood framing). The
length and width of the framing depends on the length and number of slots of
the linear diffuser being installed.
B. In general, the length of the opening within the framing should be the
ordered/listed size (see Figure 2) and the opening width should be the “D”
Dimension (see Figure 4).
Figure 4 (Step 2B): XG-AFL “D” Dimension Table
| Model | S | Opening D Dimension |
|---|---|---|
| Slot Width | 1 Slot | 2 Slot |
| XG-AFL-10 | 1″ | 4″ |
| XG-AFL-15 | 1-1/2″ | 4-1/2″ |
| XG-AFL-20 | 2″ | 5″ |
| XG-AFL-25 | 2-1/2″ | 6-1/2″ |
| XG-AFL-30 | 3″ | 7″ |
Step 3 – Installing F Clips
A. The F Clip is meant to be secured to the framing made in Step 2. The
following information will show the installation of the F22 Clip, however
other clip installations are similar. For a better understanding of how other
F Clips are installed, please refer to the “Mounting F Clip Breakdown” earlier
in this document.
B. First attach the F Clip to the XG-AFL Linear Slot Diffuser (see Figure 5)
with equal spacing between clips.
C. Then attach the F Clip and XG-AFL Linear Diffuser to the underside of the framing with screws or nails by others (see Figure 6).
Step 4 – Optional Use of Plenum
A. The Greenheck model XG-UP (uninsulated) or XGUPI (insulated) can be used
with the XG-AFL linear slot diffuser. A plenum can also be fabricated in the
field. If the plenum is the XG-UP(I), there will be clips on the plenum that
attach to the XG-AFL linear slot diffuser (see Figure 7).
To install the AFL onto the plenum, first place the AFL unit onto the plenum
so it’s aligned on all four sides. Once it’s aligned, the AFL linear can be
pushed up into the plenum and the clips will click and lock into the side of
the linear, securing the unit in place.
Step 5 – Install Drywall
A. Lastly, install sheetrock into the slot created by the F Clip and the
border of the XG-AFL diffuser (see Figure 8). If one or both borders have a
tape and spackle border (“C”), see Figure 9.
Installation Instructions for Drywall Surface Mount with Concealed Mounting
Hardware – Model XG-AFLC
This section applies to Greenheck model XG-AFLC-AA, XG-AFLC-AC and XG-AFLC-
CC specifically. The XGAFLC is a high capacity architectural linear slot
diffuser with mounting hardware for concealed installation. The “A” represents
exposed frame/flange border and the “C” represents a tape and spackle border.
Step 1 – Mounting Hardware
A. Locate and ensure all proper mounting brackets and screws were supplied
with the linear diffuser before starting installation. See Figure 10 for a
table showing how many hanger brackets are shipped with the corresponding
linear lengths.
Figure 10 (Step 1A)
| XG-AFLC Linear Length | # of Hanger Brackets |
|---|---|
| 24″ or less | 2 |
| > 24″ to 48″ | 3 |
| > 48″ to 72″ | 4 |
Step 2 – Framing the Opening
A. Before installing drywall, an adequate frame must be constructed for the
Greenheck XG-AFLC Architectural Linear Slot Diffuser. This framing must be
suitable to hold the weight of the diffuser (typically wood framing). The
length and width of the framing depends on the length and number of slots of
the linear diffuser being installed.
B. In general, the length of the opening within the framing should be the
ordered/listed size (see Figure 11) and the opening width should be the “W2”
Dimension. For convenience, we have provided the dimensional drawing (see
Figure 12) and dimension table (see Figure 13) from the XG-AFLC submittal
(please note the most up-to-date information will be on the submittal).
Figure 13 (Step 2B): XG-AFLC “W2” Dimension Table
| Model | S | Opening W2 Dimension |
|---|---|---|
| Slot Width | 1 Slot | 2 Slot |
| XG-AFLC-10 | 1″ | 4″ |
| XG-AFLC-15 | 1-1/2″ | 4-1/2″ |
| XG-AFLC-20 | 2″ | 5″ |
| XG-AFLC-25 | 2-1/2″ | 6-1/2″ |
| XG-AFLC-30 | 3″ | 7″ |
Step 3 – Preparation for the Hanger Supports
A. The hanger bracket hardware is meant to be installed above the plane of the
sheet rock in the ceiling. Once installed above that plane, using the screws
provided, you will be able to screw from the face of the diffuser and the
linear diffuser will be pulled up into the opening.
B. There are several ways to support the hanger brackets – see Figure 14.
Step 4 – Installing Hanger Brackets
A. To start, insert the screw through the face of the diffuser and start the
screw into the hanger bracket – do not tighten all the way, only enough to be
attached (see Figure 15).
B. Push all brackets up into the opening until all hanger brackets get caught
on the hanger bracket support (drywall, hemmed plenum, angle, steel stud,
etc.) – see Figure 16.
Step 5 – Install Drywall
A. Lastly, install sheetrock as shown in Figure 17. If one or both borders
have a tape and spackle (“C”) border, see Figure 18.
Operation
Pattern Controller Adjustment (Supply Models Only)
The pattern controllers can be used to adjust the direction of the airflow as
well as damper the volume of airflow when needed. The Standard/Straight
pattern controller is operated by sliding the controller left or right looking
at a side profile (see Figure 19). The Combination pattern controller is
operated by pivoting one or both slanting pattern controllers to reach desired
volume and direction (see Figure 20).
General Maintenance
Linear Slot Diffusers are basically maintenance free. The face of most diffusers can be cleaned with water and mild detergent if dirt and dust begin to build up.
Our Commitment
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:gfcinfo@greenheck.com
Website:www.greenheck.com
Architectural Linear Slot Diffuser – Rev. 1, March 2023
Copyright 2023 © Greenheck Fan Corporation
Documents / Resources
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GREENHECK XG-AFL and XG-AFLC Architectural Linear Slot
Diffuser
[pdf] Installation Guide
XG-AFL and XG-AFLC Architectural Linear Slot Diffuser, XG-AFL, and XG-AFLC
Architectural Linear Slot Diffuser, Architectural Linear Slot Diffuser, Linear
Slot Diffuser, Slot Diffuser, Diffuser
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References
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