Greenheck DFD Series User Manual

5
Mixed Flow
Mounting Configurations
Universal Mounting
Models can be mounted horizontally or vertically.
For ease of installation, eight mounting brackets are
welded on each fan. Motor positions are viewed from
the discharge end.
Fig. 1 Horizontal Base Mount:
Each fan is shipped
as standard in this arrangement. Motor at “A” position
(12 o’clock) is standard.
Fig. 2 Horizontal Base Mount with motor at “C”
or “G” position (3 or 9 o’clock). Mounting rails are
recommended for this installation.
Fig. 3 Horizontal Ceiling Hung:
In this installation the
supports can be positioned for mounting the motor at
“A” or “E” (12 or 6 o’clock).
Fig. 4 Horizontal Ceiling Hung with motor at “C” or
“G” (3 or 9 o’clock). Mounting rails are recommended
for this installation.
Fig. 5 Vertical Mount:
Universal QEI fans can be
mounted vertically (ceiling hung or base mount) for
either upward or downward airflow. Mounting rails are
suggested for any vertical installation.
Horizontal Mounting configurations, base mount or
ceiling hung, are provided with an identical support. The
mounting configuration can be changed between base
mount or ceiling hung in the field. The motor position
can also be field rotated to any of the shown positions.
Motor positions are viewed from the discharge end.
Mounting rails are recommended for horizontal
installations with B, C, D, F, G and H motor positions.
Vertical Mounting configurations, upblast or
downblast, are provided with heavy duty steel brackets
welded to both ends. These brackets permit either floor
or ceiling mounting on the same unit. Mounting rails are
suggested for any vertical installation for sizes 30-60.
Horizontal - Base Mount
A
B
C
H
G
Horizontal - Ceiling Hung
A
G
F
E
D
C
QEI
200 / 300 Series – sizes 30 thru 60
Fig. 1
Fig. 3
Fig. 2
Optional
Mounting
Rails
Fig. 4
Optional
Mounting
Rails
QEI
100 Series – all sizes
200 / 300 Series - sizes 9-27
Optional
Mounting
Rails
Fig. 5
Vertical Ceiling Hung
Vertical Base Mount
Mounting Rails (Optional)
Mounting rails, when supplied with the fan, are either
a single piece formed channel or a two piece formed
channel assembly with overlapping sides. Rails are
supplied with predrilled mounting holes and hardware to
attach fan.
NOTE
Mounting rails are not required for QEID installations.
NOTE
Mounting rails are not required for vertical installations
on sizes 30 thru 60.
One Piece
Two Piece

Greenheck DFD Series Specifications

General

Brand	Greenheck
Model	DFD Series
Category	Fire and Smoke Dampers
Language	English