Square Inline Mixed Flow Fans6
2. Square duct adapter will come in (2) or (4) piece
designs depending on unit size (see below).
SIZE 7-16 (QTY 2)
SIZE 18-33 (QTY 4)
SIZE 7-16 (QTY 2)
SIZE 18-33 (QTY 4)
LEFTINLINE
RIGHT & INLINELEFT & INLINE
LEFT, RIGHT & INLINE
RIGHT
SIZE 7-16 (QTY 2)
SIZE 18-33 (QTY 4)
3. Mount square duct adapters to inlet and outlet(s)
depending on discharge configuration using
appropriate number of flange pieces and 5/16 semi-
gimelt fasteners removed in Steps 1 and 2.
4. Reinstall fasteners that were removed in
Step 2 in the corners of the left and right
discharge flanges, not doing so will void warranty
and could lead to structural issues with the fan.
LEFTINLINE
RIGHT & INLINELEFT & INLINE
LEFT, RIGHT & INLINE
RIGHT
SIZE 7-16 (QTY 2)
SIZE 18-33 (QTY 4)
STEP 4 - Install Ductwork to Fan
1. Using holes on inlet and outlet(s) or using square
duct adapter flanges, mount ductwork to fan in all
desired locations.
2. For Left and Right discharges reuse the 5/16 inch
semi-gimlet fasteners removed in Steps 1 and 2.
3. Reinstall fasteners that were removed in Step 2 in
the corners of the left and right discharge flanges,
not doing so will void warranty and could lead to
structural issues with the fan.
4. Hardware for the inlet and Inline discharge is
supplied by the others.
Filtration
The filter box is designed to provide a compact and
convenient clean air solution while eliminating the costly
process of designing, fabricating, and installing custom
filter assemblies. The filter section features removable
access panels on both sides, allows for simple and fast
filter maintenance. The filter box is shipped separate for
field installation.
FILTER SPACER(S)
FILTER(S)
STEP 1 - Mount Filter Section to Fan
1. Filter section and fan have “Airflow” decals on the
exterior of the units, ensure the arrows are aligned
with the airflow.
2. 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).
FILTER SPACER(S)
FILTER(S)
3. Tighten to 132 in∙lbs (11 ft·lbs) with 1/2 inch socket.
Do not over-tighten.
4. Fan sizing and performance is designed for the filter
section to be mounted directly to the INLET of the
fan.
LEFTINLINE
RIGHT & INLINELEFT & INLINE
LEFT, RIGHT & INLINE
RIGHT
SIZE 7-16 (QTY 2)
SIZE 18-33 (QTY 4)