A.O. Smith ATX-199 Instruction Manual page 23

Table 9. DIP Switch Settings: Four-Inch Direct Vent
5 to 50 ft
(1.5 to 15.2m)
(DEFAULT)
ON 1 2 3 4 5 6 7 8 9 10
OFF
SINGLE-VENT INSTALLATIONS
HOW TO INSTALL A SINGLE-PIPE WITH ROOM-AIR INTAKE INSTALLATION
Elbow
Figure 19.
Roof
Elbow
Figure 20. Single-Pipe Vertical Installation
WARNING
•
•
•
Breathing carbon monoxide can cause brain damage
or death. Always read and understand the instruction
manual.
51 to 100 ft
(15.3 to 30.5 m)
ON 1 2 3 4 5 6 7 8 9 10
OFF
Hanger
Wall
Connect between
exhaust vent
collar and piping.
Roof Flashing
Fire Stop
Connect between
exhaust vent collar
and piping.
Upper DIP
Switch
Bank
Lower DIP
Switch Bank
Figure 21. Location of DIP Switches
How to Install a Three-Inch Single-Vent Installation
1.
2.
3.
4.
3" (76 mm) elbow
with bird screen
Intake vent collar
(Female)
Figure 22. Three-Inch (76 mm) Vent Connection
Table 10. DIP Switch Settings: Three-Inch Single-
(1.5 to 13.7m)
(DEFAULT)
ON 1 2 3 4 5 6 7 8 9 10
OFF
How to Install a Four-Inch Single-Vent Installation
1.
2.
3.
4.
3" (76 mm) elbow
with bird screen
Intake vent collar
(Female)
Figure 23. Four-Inch (102 mm) Vent Connection
23
3"(76 mm)
straight pipe
3" (76 mm) coupling
(included)
Exhaust vent
collar
(Female)
Vent Pipe
(13.8 to 21.3 m)
ON 1 2 3 4 5 6 7 8 9 10
OFF
4" (102 mm)
straight pipe
3"x 4"
(76 x 102 mm)
increaser
Exhaust vent
collar
(Female)