Maximum Vent Length Adjustment Dipswitches
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maximum vent length based on the number of elbows. Adjust the dip switches according to the vent condition noted in the tables below.
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5XP elbows, maximum length = 3 ft. (0.9m)
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3” Pipe
Vent length* |
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| Elbows |
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ft | m | Number of |
| 0 |
| 1 |
| 2 |
| 3 |
pieces** |
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0 | 0.00 | 0 | 1 | 0% | 1 | 0% | 1 | 0% | 2 | 0% |
3 | 0.90 | 1 | 1 |
| 1 |
| 1 | 2 |
| |
6 | 1.80 | 2 | 1 |
| 1 |
| 2 | 0% | 2 |
|
9 | 2.70 | 3 | 1 |
| 1 | 2 |
| 2 |
| |
12 | 3.60 | 4 | 1 |
| 2 | 0% | 2 |
| 2 |
|
15 | 4.50 | 5 | 1 | 2 |
| 2 |
| 2 |
| |
16 | 4.80 | 6 | 2 | 0% | 2 |
| 2 |
| 2 | |
18 | 5.40 | 6 | 2 |
| 2 |
| 2 |
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21 | 6.30 | 7 | 2 |
| 2 |
| 2 |
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22 | 6.60 | 8 | 2 |
| 2 |
| 2 |
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24 | 7.20 | 8 | 2 |
| 2 |
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27 | 8.10 | 9 | 2 |
| 2 |
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28 | 8.40 | 10 | 2 |
| 2 |
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30 | 9.00 | 10 | 2 |
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33 | 9.90 | 11 | 2 |
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34 | 10.20 | 12 | 2 |
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* Not including the termination.
1Short length using 3" (75mm) pipe 3 Short length using 4" (100mm) pipe
2Long length using 3" (75mm) pipe 4 Long length using 4" (100mm) pipe
**Table assumes straight vent pieces are 3’ (0.9m) each.
Shorter or longer vent pieces may also be used up to the maximum allowed vent length.
The power must be unplugged when adjusting the dip switches to switch the airflow amount.
4” Pipe
Vent length* |
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| Elbows |
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| ||||
ft | m | Number of |
| 0 |
| 1 |
| 2 | 3 | 4 |
pieces** |
|
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| |
0 | 0.00 | 0 | 3 | 0% | 3 | 0% | 3 | 0% | 3 0% | 3 0% |
3 | 0.90 | 1 | 3 |
| 3 |
| 3 |
| 3 | 3 |
6 | 1.80 | 2 | 3 |
| 3 |
| 3 |
| 3 | 3 |
9 | 2.70 | 3 | 3 |
| 3 |
| 3 |
| 3 | 4 |
12 | 3.60 | 4 | 3 |
| 3 |
| 3 |
| 3 | 4 |
15 | 4.50 | 5 | 3 |
| 3 |
| 3 |
| 4 | 4 |
18 | 5.40 | 6 | 3 |
| 3 |
| 3 | 4 | 4 | |
21 | 6.30 | 7 | 3 |
| 3 |
| 4 | 4 | 4 | |
24 | 7.20 | 8 | 3 |
| 3 | 4 | 4 | 4 | ||
27 | 8.10 | 9 | 3 |
| 4 | 4 | 4 | 4 | ||
30 | 9.00 | 10 | 3 | 4 | 4 | 4 | 4 | |||
33 | 9.90 | 11 | 4 | 4 | 4 | 4 | 4 | |||
36 | 10.80 | 12 | 4 |
| 4 | 4 | 4 | 4 | ||
39 | 11.70 | 13 | 4 |
| 4 | 4 | 4 | 4 | ||
42 | 12.60 | 14 | 4 |
| 4 | 4 | 4 |
| ||
45 | 13.50 | 15 | 4 |
| 4 | 4 | 4 |
| ||
48 | 14.40 | 16 | 4 |
| 4 | 4 |
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51 | 15.30 | 17 | 4 |
| 4 | 4 |
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54 | 16.20 | 18 | 4 |
| 4 |
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57 | 17.10 | 19 | 4 |
| 4 |
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60 | 18.00 | 20 | 4 |
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63 | 18.90 | 21 | 4 |
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* Not including the termination. |
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Refer to page 17 for max. vent lengths when using termination
Do not change any other dipswitches.
Vent length condition.
7 8
1 Short length using 3" (75mm) pipe
2 Long length using 3" (75mm) pipe
3Short length using 4" (100mm) pipe
4Long length using 4" (100mm) pipe
ON= OFF=
13