Greenheck Fan Hooded Propeller Roof Fans Ventilation Hood User Manual


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18 28
1
/4 13 23 10 40
1
/4 27
1
/4 48 x 51 18 20
1
/2
20 30
1
/4 16 27 11 44
1
/4 28
1
/4 54 x 51 20 22
1
/2
24 34
1
/4 18 29 11 46
1
/4 28
1
/4 66 x 63 24 26
1
/2
30 40
1
/4 20 34 14 51
1
/4 31
1
/4 75 x 75 30 32
1
/2
36 46
1
/4 22 39
1
/2 17
1
/2 56
3
/4 34
3
/4 88 x 87 36 38
1
/2
42 52
1
/4 24 42
1
/2 18
1
/2 59
3
/4 35
3
/4 86 x 99 42 44
1
/2
48 58
1
/4 24 43
1
/2 19
1
/2 60
3
/4 36
3
/4 93 x 111 48 50
1
/2
54 64
1
/4 26
1
/2 49 22
1
/2 66
1
/4 39
3
/4 112 x 111 54 56
1
/2
60 70
1
/4 26
1
/2 50 23
1
/2 67
1
/4 40
3
/4 124 x 123 60 62
1
/2
72 82
1
/2 29 53 24 70
1
/4 41
1
/4 136 x 135 72 74
1
/2
GREENHECK
P.O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410
PH. 715-359-6171
®
READ AND SAVE THESE INSTRUCTIONS
Hooded Propeller Roof Fans
Belt Drive and Direct Drive
Installation, Operating and Maintenance Manual
Upon receiving the unit, check for any damage and report it immediately to the shipper. Also assure all accessory
items are accounted for.
To minimize installation time, most fans are shipped completely assembled. Due to shipping size limitations, hoods for larger
fans will be shipped in sections. For these fans the hood and fan components can be transported to the roof location
separately. Hood assembly should begin after the fan is attached to the roof curb. Hood assembly instructions are included
with the hood components.
Care must be taken not to bend or distort the fan panel or drive components during installation.
Part # 455305
Exhaust / Supply (Direct Drive Sizes 18-54 - Belt Drive Sizes 20-72)
Filtered Supply (Belt Drive Sizes Only 20 - 72)
All dimensions given in inches
W
C
B
D
A sq.
2
1
/2"
Tall Base Option
TB
TD
L
A sq.
Tall Base Option
Access to the motor compartment
On fan sizes 18 to 48:
- Remove two fasteners shown in fig. 1.
Carefully swing the hood 180 degrees and let it rest on
the roof. If desired, the entire hood may be removed
by removing the two additional fasteners on the
opposite side of the fan.
Use caution when handling the hood in strong winds.
On fan sizes 36 to 60 access to the motor compartment can
also be made by either:
- Removing birdscreen or filters and standing
under the hood of large fans.
- Removing one interlocking hood end section of
smaller units
Fasteners
Fig. 1
Fan
Size
A
Base
Sq.
C
BDTBTD
W x L
Damper
Size
Sq.
Roof
Opg.
Sq.
Standard
Base
Tall
Base
20 30
1
/4 16 27 11 44
1
/4 28
1
/4 54x51 20 22
1
/2
24 34
1
/4 18 29 11 46
1
/4 28
1
/4 66 x 63 24 26
1
/2
30 40
1
/4 20 34 14 51
1
/4 31
1
/4 78 x 87 30 32
1
/2
36 46
1
/4 22 39
1
/2 17
1
/2 56
3
/4 34
3
/4 94 x 87 36 38
1
/2
42 52
1
/4 24 42
1
/2 18
1
/2 59
3
/4 35
3
/4 93 x 99 42 44
1
/2
48 58
1
/4 24 43
1
/2 19
1
/2 60
3
/4 36
3
/4 112 x 111 48 50
1
/2
54 64
1
/4 26
1
/2 49 22
1
/2 66
1
/4 39
3
/4 124 x 123 54 56
1
/2
60 70
1
/4 26
1
/2 50 23
1
/2 67
1
/4 40
3
/4 136 x 135 60 62
1
/2
72 82
1
/2 29 53 24 70
1
/4 41
1
/4 136 x 147 72 74
1
/2
Fan
Size
A
Base
Sq.
C
BDTBTD
W x L
Damper
Size
Sq.
Roof
Opg.
Sq.
Standard
Base
Tall
Base
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