Top Vent - Vertical Termination (continued)
3.Match the amount of vertical you have in the system with the chart to find the appropriate position to set the Flue Restrictor (see Figure 7.9).
Vertical | TOP VENT | REAR VENT | |||
NG | LP | NG | LP | ||
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4 ft. | No | No | No | ||
Restrictor | Restrictor | Restrictor | |||
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8 ft. | No | ||||
Restrictor | |||||
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15 ft. | |||||
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20 ft. | |||||
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25 ft. | |||||
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30 ft. | |||||
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35 ft. | |||||
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40 ft. | |||||
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Figure 7.9
Note: If the
Example: Top vent 40 ft vertical with DVP pipe =
Two Elbows
V2
H1
Figure 7.11
4. Center the Flue Restrictor on vent and secure in place by using two
5. Reinstall the Exhaust Shield.
1 2 3 4 5
SETTING
1 2 3 4 5
Figure 7.10
| V1 |
| H1 Maximum | V2 | V1 + V2 Min. | |||
Elbow only |
| 2 ft. | 610 mm | * | * |
| * | |
6 in. | 152 mm |
| 6 ft. | 1.8 m | * | * |
| * |
2 ft. | 610 mm |
| 11 ft. | 3.4 m | * | * |
| * |
3 ft. | 914 mm |
| 16 ft. | 4.9 m | * | * |
| * |
4 ft. | 1.2 m |
| 20 ft. | 6.1 m | * | * |
| * |
| V1 + V2 + H1 | = 50 ft. (15.2 m) Maximum |
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*No specific restrictions on this value EXCEPT |
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V1 + V2 + H1 cannot exceed 50 ft (15.2 m)
V1
Heat & Glo • 6000C, | 31 |