Quick Start Guide
SQ Mixed Flow Filtration
Filtration Quick Start Guide
• Filter Sections are shipped separate from the fan
and are mounted in the field
• This Quick Start Guide does not replace the
Installation Operation Manual (IOM), refer to the
IOM for more information
Parts and Tools List
Parts List
• (1) Fan
• (1) Filter section
• (1) Hardware kit
• (2) Isolator kit (optional)
Tool List
• Impact
• 1/2 inch socket
• Torque wrench
Step 1
Mount Filter Section to Fan
• Filter section and fan have “Airflow” decals on
the exterior of the units, ensure the arrows are
aligned with the airflow
• Mount the filter section to the inlet of the fan
using appropriate number of provided 5/16 inch
semi-gimlet fasteners provided in hardware kit
(no nuts required)
• Tighten to 132 in∙lbs (11 ft·lbs) as specified in
the IOM with 1/2 inch socket DO NOT
OVER-TIGHTEN
• Fan sizing and performance is designed for the
filter section to be mounted directly to the
INLET of the fan
Step 2
Install Filter and Fan Assembly in Ductwork
• Install assembly in proper orientation for
application (use appropriate isolators)
• Mount assembly to ductwork using fasteners
supplied by others
• Assembly can be mounted in horizontal or
vertical applications
• Flexible duct connectors are recommended for
mounting to the inlet of the filter section and
outlet of the fan
• Install assembly with approximately three wheel
diameters of straight duct before and after
the fan
Step 3
Filter Replacement and Cleaning
• Follow filter replacement and or cleaning
intervals recommended by filter supplier
FILTER SPACER(S)
FILTER(S)
1. Remove access door using 1/2 inch socket
• It is only necessary to remove one access
door to replace filters
2. Remove filter spacers and dirty filters
3. Install new filters in unit and replace filter spacers
• Ensure filters are installed in correct
orientation for proper airflow (marked
on filters)
• Locate spacers towards the outside of the
unit to reduce any unnecessary blockage
in airflow
4. Reinstall access door using 1/2 inch socket,
torque to 132 in∙lbs (11 ft·lbs) DO NOT
OVER-TIGHTEN
FILTER SPACER(S)
FILTER(S)
485551 • Square Duct Adapter and Filtration, Rev. 1, June 2022 • Copyright © 2022 Greenheck Fan Corp.
NOTE: Square Duct Adapter information on reverse side
FILTER SPACER(S)
FILTER(S)
