READ AND SAVE THESE INSTRUCTIONS | Part # 455305 |
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® | GREENHECK | Hooded Propeller Roof Fans |
P.O. BOX 410 SCHOFIELD, WISCONSIN | Belt Drive and Direct Drive | |
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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.
All dimensions given in inchesExhaust /Supply (Direct Drive Sizes
W
TB
TD
Tall Base Option
A sq.
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| Fan | A |
| Standard | Tall |
| Damper | Roof | ||
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| Base | C | Base | Base | W x L | Size | Opg. | |||
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| Size | |||||||||
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| Sq. | Sq. | |
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| B | D | TB | TD |
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| 18 | 281/4 | 13 | 23 | 10 | 401/4 | 271/4 | 48 x 51 | 18 | 201/2 |
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| 20 | 301/4 | 16 | 27 | 11 | 441/4 | 281/4 | 54 x 51 | 20 | 221/2 |
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| C |
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| 24 | 341/4 | 18 | 29 | 11 | 461/4 | 281/4 | 66 x 63 | 24 | 261/2 | ||
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| B |
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| 30 | 401/4 | 20 | 34 | 14 | 511/4 | 311/4 | 75 x 75 | 30 | 321/2 | |||
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| 36 | 461/4 | 22 | 391/2 | 171/2 | 563/4 | 343/4 | 88 x 87 | 36 | 381/2 |
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| D |
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| 42 | 521/4 | 24 | 421/2 | 181/2 | 593/4 | 353/4 | 86 x 99 | 42 | 441/2 |
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| 48 | 581/4 | 24 | 431/2 | 191/2 | 603/4 | 363/4 | 93 x 111 | 48 | 501/2 |
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| 54 | 641/4 | 261/2 | 49 | 221/2 | 661/4 | 393/4 | 112 x 111 | 54 | 561/2 |
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21/2" |
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| 60 | 701/4 | 261/2 | 50 | 231/2 | 671/4 | 403/4 | 124 x 123 | 60 | 621/2 | |||||
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| 72 | 821/2 | 29 | 53 | 24 | 701/4 | 411/4 | 136 x 135 | 72 | 741/2 |
L
Tall Base Option
A sq.
Filtered Supply (Belt Drive Sizes Only 20 - 72)
Fan | A |
| Standard | Tall |
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| Damper | Roof | |||
Base | C | Base | Base | W x L | Size | Opg. | |||||
Size | |||||||||||
Sq. |
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| Sq. | Sq. | ||
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| B | D | TB |
| TD |
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20 | 301/4 | 16 | 27 | 11 | 441/4 | 281/4 | 54 x 51 | 20 | 221/2 | ||
24 | 341/4 | 18 | 29 | 11 | 461/4 | 281/4 | 66 x 63 | 24 | 261/2 | ||
30 | 401/4 | 20 | 34 | 14 | 511/4 | 311/4 | 78 x 87 | 30 | 321/2 | ||
36 | 461/4 | 22 | 391/2 | 171/2 | 563/4 | 343/4 | 94 x 87 | 36 | 381/2 | ||
42 | 521/4 | 24 | 421/2 | 181/2 | 593/4 | 353/4 | 93 x 99 | 42 | 441/2 | ||
48 | 581/4 | 24 | 431/2 | 191/2 | 603/4 | 363/4 | 112 x 111 | 48 | 501/2 | ||
54 | 641/4 | 261/2 | 49 | 221/2 | 661/4 | 393/4 | 124 x 123 | 54 | 561/2 | ||
60 | 701/4 | 261/2 | 50 | 231/2 | 671/4 | 403/4 | 136 x 135 | 60 | 621/2 | ||
72 | 821/2 | 29 | 53 | 24 | 701/4 |
| 411/4 | 136 x 147 | 72 | 741/2 | |
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 |
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under the hood of large fans. | Fig. 1 |
- Removing one interlocking hood end section of | Fasteners |
smaller units |
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