Dfd-m150 type a – Greenheck Fan DFD-M150 User Manual
Page 2
H*
P
W*
H*
P
102
20
127
20
152
23
178
28
203
30
229
33
254
33
279
36
305
41
330
43
356
46
381
46
406
51
432
53
457
56
483
58
508
61
533
66
559
66
584
69
610
74
635
79
660
81
686
81
711
84
737
86
762
91
787
94
813
94
838
99
864
99
889
104
914
107
SIZE LIMITATIONS
Vertical or Horizontal
Single
Multi-
mm
Section
Section
Minimum
102 x 102
NA
Maximum
914 x 914 2438 x 1219 or 3048 x 1016
Installation of sizes larger than the maximums shown requires
approval of the authority having jurisdiction.
DFD-M150 Type A
SIZING AND ASSEMBLY DATA
Dampers larger than maximum single section size are supplied in 2 or more sections
of equal size. If ordered with a factory sleeve, multi-section dampers are factory
assembled ready for installation. If ordered without a factory sleeve, multi-section
dampers require field assembly. (See Greenheck Fire Damper Installation Instructions
#452763)
The following chart and illustrations show minimum and maximum damper section
size and assembly configurations for multi-section dampers.
1
2
3
Blade Stack
Dimensions
914mm max.
914mm max.
2438mm max.
1219mm max.
3048mm max.
1016mm max.
Mult-Section Limitations
Maximum damper height is 1016mm when combination width is
greater than 2438mm and less than or equal to 3048mm.
3
Multi-Section Limitations
Maximum damper height is 1219mm when combination width is 2438mm or less.
2
Maximum Single Section Dimensions
1
*
These dimensions are furnished
approximately 6mm undersize.
(Dimension in mm)