Allied 95G1UHE, Руководство по обслуживанию

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508093-01 Issue 2033 Page 30 of 59
Maximum Allowable Exhaust Vent Lengths with Furnace Installed in a Closet or Basement Using Ventilated Attic or Crawl
Space for Intake Air in Feet
Standard Termination at Elevation 0 - 4,500 ft
Number
of 90°
Elbows
Used
1-1/2” Pipe 2” Pipe 2-1/2" Pipe 3" Pipe
Capacity Capacity Capacity Capacity
030
045 070 090 110 135
030
045 070 090 110 135
030
045 070 090 110 135
030
045 070 090 110 135
1 20 15
n/a n/a n/a
66 51 29 9
n/a
95 95 73 38
n/a
113 112 93 93 89
2 15 10 61 46 24 4 90 90 68 33 108 107 88 88 84
3 10
n/a
56 41 19
n/a
85 85 63 28 103 102 83 83 79
4
n/a
51 36 14 80 80 58 23 98 97 78 78 74
5 46 31 9 85 75 53 18 93 92 73 73 69
6 41 26 4 70 70 48 13 88 87 68 68 64
7 36 21
n/a
65 65 43 8 83 82 63 63 59
8 31 16 60 60 38 3 78 77 58 58 54
9 26 11 55 55 33
n/a
73 72 53 53 49
10 21 6 50 50 28 68 67 48 48 44
Standard Termination Elevation 4,501 - 10,000 ft.
Number
of 90°
Elbows
Used
1-1/2” Pipe 2” Pipe 2-1/2" Pipe 3" Pipe
Capacity Capacity Capacity Capacity
030
045 070 090 110 135
030
045 070 090 110 135
030
045 070 090 110 135
030
045 070 090 110 135
1 20 15
n/a n/a n/a
66 51 29
n/a n/a
95 95 73 38
n/a
113 112 93 93 89
2 15 10 61 46 24 90 90 68 33 108 107 88 88 84
3 10
n/a
56 41 19 85 85 63 28 103 102 83 83 79
4
n/a
51 36 14 80 80 58 23 98 97 78 78 74
5 46 31 9 85 85 53 18 93 92 73 73 69
6 41 26 4 70 70 48 13 88 87 68 68 64
7 36 21
n/a
65 65 43 8 83 82 63 63 59
8 31 16 60 60 38 3 78 77 58 58 54
9 26 11 55 55 33
n/a
73 72 53 53 49
10 21 6 50 50 28 68 67 48 48 44
* Size intake and exhaust pipe length separately. Values in table are for intake OR Exhaust, not combined total. Both Intake and
Exhaust must be same pipe size.
* Additional vent pipe and elbows used to terminate the vent pipe outside the structure must be included in the total vent length
calculation.
Table 13.