507769-04
Page 17 of 53
Issue 1927
Figure 22. Typical Exhaust Pipe Connections
Pipe size determined in table 7.
2”
TOP VIEW
EXHAUST
INTAKE
2”
2”
2”
2”
or
TRANSITION
3”
*2”
*2”
1-1/2”
or
TRANSITION
NOTE
: 1-1/2” Vent Pipe
Diameter Allowed Only
on 045/070 Units
DO NOT transition
from larger to smaller
pipe in horizontal runs
of
exhaust pipe
.
DO NOT transition
from smaller to larger
pipe in horizontal runs
of
exhaust pipe
.
* When transitioning up in pipe size, use the shortest length of 2” PVC pipe possible.
NOTE
: Exhaust pipe and intake pipe must be the same diameter.
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 − 10,000 ft.
Number of
90
°
Elbows
Used
1-1/2” Pipe
2” Pipe
2-1/2” Pipe
3” Pipe
Capacity
Capacity
Capacity
Capacity
045
070
090
045
070
090
045
070
090
045
070
090
1
10
10
n/a
61
46
24
100
80
43
127
127
108
2
n/a
n/a
56
41
19
95
75
38
122
122
103
3
51
36
14
90
70
33
117
117
98
4
46
31
n/a
85
65
28
112
112
93
5
41
26
80
60
23
107
107
88
6
36
21
75
55
18
102
102
83
7
31
16
70
50
13
97
97
78
8
26
11
65
45
n/a
92
92
73
9
21
n/a
60
40
87
87
68
10
16
55
35
82
82
63
NOTE
: Additional vent pipe and elbows used to terminate the vent pipe outside the structure must be included in the total vent length
calculation.
Table 8.
Summary of Contents for 96G1DFE
Page 30: ...507769 04 Page 30 of 53 Issue 1927 Figure 50 Trap Drain Assembly Using 1 2 PVC or 3 4 PVC ...
Page 36: ...507769 04 Page 36 of 53 Issue 1927 Figure 57 Typical Wiring Diagram ...
Page 48: ...507769 04 Page 48 of 53 Issue 1927 Troubleshooting Heating Sequence of Operation ...
Page 49: ...507769 04 Page 49 of 53 Issue 1927 Troubleshooting Heating Sequence of Operation continued ...
Page 50: ...507769 04 Page 50 of 53 Issue 1927 Troubleshooting Cooling Sequence of Operation ...
Page 51: ...507769 04 Page 51 of 53 Issue 1927 Troubleshooting Continuous Fan Sequence of Operation ...