Haier GE NF96UV Service Manual page 23

AIR
INTAKE
Figure 17. Typical Air Intake Pipe Connections in Upflow Direct Vent Applications
TYPICAL INTAKE PIPE CONNECTIONS IN HORIZONTAL DIRECT OR NON-DIRECT VENT
Figure 18. Typical Air Intake Pipe Connections in Horizontal Direct Vent Applications
31-5000726 Rev. 0
TYPICAL INTAKE PIPE CONNECTIONS IN UPFLOW DIRECT OR
NON-DIRECT VENT APPLICATIONS
2"
or
3"
TRANSITION
*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.
APPLICATION (RIGHT-HAND DISCHARGE SHOWN)
* 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.
(Right Hand Discharge Shown)
Pipe size determined in Table 5
2"
2"
2"
or
2"
or
2"
2"
2"
AIR
INTAKE
Page 23
2"
3"
2"
TRANSITION
*2"
*2"