COMFORT-AIRE GDD92A, Руководство по установке

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507714-01 Page 17 of 52 Issue 1716
GDD95A / GDD92A Maximum Allowable Intake or Exhaust Vent Length in Feet
Table 7A.
Standard Termination at Elevation 0 - 10,000 ft
Number of 90°
Elbows Used
2" Pipe 2-1/2" Pipe 3" Pipe
Model Model Model
045 070 090 110 045 070 090 110 045 070 090 110
1 61 46 24
n/a
95 80 43
n/a
127 127 108 108
2 56 41 19 90 75 38 122 122 103 103
3 51 36 14 85 70 33 117 117 98 98
4 46 31
n/a
80 65 28 112 112 93 93
5 41 26 75 60 23 107 107 88 88
6 36 21 70 55 18 102 102 83 83
7 31 16 65 50 13 97 97 78 78
8 26 11 60 45
n/a
92 92 73 73
9 21
n/a
55 40 87 87 68 68
10 16 50 35 82 82 63 63
Concentric Termination Elevation 0 - 10,000 ft
Number of 90°
Elbows Used
2" Pipe 2-1/2" Pipe 3" Pipe
Model Model Model
045 070 090 110 045 070 090 110 045 070 090 110
1 53 38 22
n/a
90 70 39
n/a
111 111 104 104
2 48 33 17 85 65 34 106 106 99 99
3 43 28 12 80 60 29 101 101 94 94
4 38 23
n/a
75 55 24 96 96 89 89
5 33 18 70 50 19 91 91 84 84
6 28 13 65 45 14 86 86 79 79
7 23
n/a
60 40
n/a
81 81 74 74
8 18 55 35 76 76 69 69
9 13 50 30 71 71 64 64
10 n/a 45 25 66 66 59 59
*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.