Page 36
31-5000723 Rev. 0
Figure 21.
Typical Exhaust and Intake Pipe Connections and Condensate Trap Installation in Upflow Applications
2”
2”
or
2”
2”
2”
EXHAUST
2”
INTAKE
DO NOT transition
from smaller to larger
pipe in horizontal runs
of
exhaust pipe
.
070 Only
TRANSITION
1-1/2”
2”
6”
MINIMUM
EXHAUST
*2”
INTAKE
*2”
* 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.
Figure 22. Typical Exhaust and Intake Pipe Connections and Condensate Trap Installation in Horizontal Air
Applications (Right Hand Discharge Shown)
SIDE VIEW
45°
MAX
45°
MAX
2”
2”
2”
or
2”
2”
12” max.
EXHAUST
2”
2”
2”
2”
2”
INTAKE
1-1/2”
2”
2”
EXHAUST
NOTE
: 1-1/2” Vent
Pipe Diameter
Allowed Only on
070 Units
.
DO NOT transition
from larger to smaller
pipe in horizontal runs
of
exhaust pipe
.
EXHAUST
EXHAUST
DO NOT transition
from smaller to larger
pipe in horizontal runs
of
exhaust pipe
.
EXHAUST
INTAKE
TRANSITION
3”
*2”
*2”
TRANSITION
3”
*2”
*2”
* 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.
