Title: Microsoft Word - Series 7550.docx
Author: bshaloo
Last saved by: Schultz, Sue

Series XG-7550 – Specifications
Perforated Diffuser - Square Neck - Adjustable Face Mounted Pattern Controller

Supply – Model XG-7550

XG-7550-1 - Surface Mount 	Steel
XG-7550-1 AF - Surface Mount	Aluminum Face
XG-7550-1 DF - Surface Mount 	Drop Face

XG-7550-6 - T-bar Lay-in 	Steel
XG-7550-6 AL - T-bar Lay-in	Aluminum
XG-7550-6 AF - T-bar Lay-in	Aluminum Face

XG-7550-8 - Tegular T-bar 	Steel
XG-7550-8 AL - Tegular T-bar 	Aluminum
XG-7550-8 AF - Tegular T-bar 	Aluminum Face

XG-7550-9 - Donn Fineline 	Steel
XG-7550-9 AF- Donn Fineline	Aluminum Face

Air Outlets shall be model XG-7550 in steel, XG-7550-AL aluminum, XG-7550-AF with aluminum face or XG-7550-DF with a dropped face manufactured by GREENHECK.

Units shall consist of 51% free area perforated face with 3/16" diameter perforated holes on 1/4" staggered centers. The perforated face shall be hinged allowing access to four adjustable pattern controllers mounted onto the inside face of the outlet. Face shall be secured in place with tension spring clips. Pattern controller blades shall be individually adjustable and allow the discharge pattern to be adjustable from vertical to horizontal. 

Outlets shall be field adjustable allowing 1, 2-way opposite, 2-way corner, 3, and 4-way directional air patterns. The units shall be the size and quantity as outlined in the plans and specifications.

Units shall be designed to integrate into the specified ceiling system.

Return – Model XG-7550R

XG-7550R-1 - Surface Mounted 	Steel
XG-7550R-1 AF - Surface Mounted Aluminum Face
XG-7550R-1 DF - Surface Mounted Dropped Face

XG-7550R-6 - T-bar Lay-in 	Steel
XG-7550R-6 AL - T-bar Lay-in	Aluminum
XG-7550R-6 AF - T-bar Lay-in 	Aluminum Face

XG-7550R-8 - Tegular T-bar	Steel
XG-7550R-8 AL - Tegular T-bar 	Aluminum
XG-7550R-8 AF - Tegular T-bar	Aluminum Face

XG-7550R-9 - Donn Fineline	Steel
XG-7550R-9 AF - Donn Fineline 	Aluminum Face

Air Outlets shall be model XG-7550R in steel, XG-7550R-AL aluminum, XG-7550R-AF with aluminum face or XG-7550R-DF with a dropped face manufactured by GREENHECK.

Units shall consist of a 51% free area perforated face with 3/16" diameter perforated holes on 1/4" staggered centers. Units shall be designed for use in ducted return or exhaust applications.

The perforated face shall be hinged allowing access to the inside of the backpan. Face shall be secured in place with tension spring clips.

The units shall be the size and quantity as outlined in the plans and specifications. Units shall be designed to integrate into the specified ceiling system.

Square Neck Options and Accessories

Opposed Blade Damper
GREENHECK model XG-OBDA aluminum or XG-OBD steel round opposed blade type dampers shall be provided. Damper shall consist of gang operated blades that can be adjusted from full open to full closed. Damper shall be adjusted with a screwdriver slot accessible by opening the face of the diffuser.

Equalizing Grid
GREENHECK model XG-L9 aluminum square equalizing grid shall be provided. Equalizing grid shall consist aluminum blades mounting in an aluminum frame.

Performance Specification
The manufacturer shall provide published performance data. Data shall be tested in accordance to ANSI/ASHRAE Standard 70- 2006

Paint Specification
Process shall be anodic electrodeposition using an anodic acrylic paint. Units shall undergo pre‐ treatment including a pressurized spray stage using an alkaline cleaner and a de‐ionized water rinse.

Copyright © 2021 Greenheck Fan Corporation		Page  of 
April 2021