Greenheck DFD Series Installation, Operation And Maintenance Manual page 82

Duct Length
The inlet and outlet duct length should be approximately
two to three wheel diameters long before and after the
fan to achieve cataloged performance.
Left Side
Discharge
Inlet
Figure 8
Side Discharge
Make sure discharge is oriented in the same direction
as originally ordered, performance will change with
different discharge positions. Refer to Figure 8 for
proper side discharge definition and the Side Discharge
chart for dimensions. Consult factory for performance
corrections.
Direct Drive Side Discharge Duct Openings
Size Width
60, 70 9 7
80, 90, 95 12
97, 98, 99 13
100 13
120 15
130 (HP) 17
140 (HP) 19
160 (HP) 22
Belt Drive Side Discharge Duct Openings
70, 80, 90, 100 12
120 12
130 (HP) 12
140 (HP) 13
160 (HP) 17
180 (HP) 19
200 (HP) 23
240 (HP) 25
300 (HP) 31
360 (HP) 32
420 34
All dimensions in inches (millimeters).
6 Centrifugal Inline Fans
Inline
Discharge
Height
Right Side
Width
Discharge
Height
⁄ 8 7 ⁄
(251) (225)
8 8
7 ⁄ 11 7 ⁄
(327) (302)
8 8
7 ⁄ 11 7 ⁄
(352) (302)
8 8
7 ⁄ 13 7 ⁄
(352) (352)
8 8
7 ⁄ 15 7 ⁄
(403) (403)
8 8
7 ⁄ 17 7 ⁄
(454) (454)
8 8
7 ⁄ 19 7 ⁄
(505) (505)
8 8
7 ⁄ 22 7 ⁄
(581) (581)
8 8
1 ⁄ 13 7 ⁄
(317) (352)
2 8
1 ⁄ 15 7 ⁄
(317) (403)
2 8
1 ⁄ 17 7 ⁄
(317) (454)
2 8
1 ⁄ 19 7 ⁄
(342) (505)
2 8
1 ⁄ 22 7 ⁄
(444) (581)
2 8
1 ⁄ 23 7 ⁄
(494) (606)
2 8
1 ⁄ 27 7 ⁄
(596) (708)
2 8
1 ⁄ 34 7 ⁄
(647) (886)
2 8
7 ⁄ 41 7 ⁄
(810) (1064)
8 8
7 ⁄ 37 7 ⁄
(835) (962)
8 8
7 ⁄ 43 7 ⁄
(886) (1114)
8 8
Hanging Spring Isolator
Hanging Neoprene Isolator
Standing Spring Isolator
5/8 inch
(16mm)
nominal
Standing Neoprene Isolator
Mounting Style A
J
Direct Drive Isolator Dimensional Data
Size H
60, 70
80, 90, 95
97, 98, 99
1 3 ⁄ 5
8
100
(35) (140)
120
130 (HP)
140 (HP)
1 3 ⁄ 5
8
160 (HP)
(35) (140)
Belt Drive Isolator Dimensional Data
70, 80, 90
100
1 3 ⁄ 5
8
120
(35) (140)
130 (HP)
140 (HP)
160 (HP)
180 (HP)
200 (HP)
1 3 ⁄ 5
8
240 (HP)
(35) (140)
300 (HP)
360 (HP)
420
All dimensions in inches (millimeters).
Mounting Style A Mounting Style B
K
H
J J1
Mounting Style A Mounting Style B
H
J J1
Mounting Style A Mounting Style B
J J1
5/8 inch
(16mm)
nominal
H
I
Mounting Style B
J1
H
L
I J J1 K L
1 ⁄ 1 3 ⁄ 2 3 ⁄ 6 3 ⁄ 2 5 ⁄
2 8 8 4 16
(35) (60) (171) (59)
1 ⁄ 1 3 ⁄ 2 1 ⁄ 6 3 ⁄ 2 5 ⁄
2 8 2 4 8
(35) (64) (171) (67)
1 ⁄ 1 3 ⁄ 2 3 ⁄ 6 3 ⁄ 2 5 ⁄
2 8 8 4 8
(35) (60) (171) (67)
1 ⁄ 1 3 ⁄ 2 1 ⁄ 6 3 ⁄ 2 5 ⁄
2 8 2 4 8
(35) (64) (171) (67)
K
H
H
H
I
H
L
®