A.O. Smith ATX-199 Instruction Manual page 28

Table 16. Common-Venting System DIP Switch Settings
Max. Max. Vertical and
Vent
No.of
Diameter*
Water (Total) Vent
(D)
Heaters Length** (L)
4 in.
2
2
5 in.
3
2
3
6 in.
4
5
6
3
4
5
8 in.
6
7
8
5
6
10 in.
7
8
•
•
• (See Figure 34 (page 33)
•
Breathing carbon monoxide can cause brain damage
and death. Always read and understand the instruction
manual
DIP Switch Settings
(Upper bank DIP
ON 1 2 3 4 5 6 7 8
OFF
WARNING
CONCENTRIC TERMINATION INSTALLATION PREPARATION
1.
2.
NOTE:
3.
Figure 32 (page 29)
4.
CONCENTRIC TERMINATION(S)
MUST BE A MINIMUM OF 10 FEET
(3 m) AWAY FROM ANY PARAPET,
VERTICAL WALL OR
STRUCTURE.
INTAKE AIR PIPE
Figure 30. Concentric Termination - Flat Roof Clearance
NOTE:
5.
(page 34)
6.
NOTE:
7.
• See Figure 31 (page 29)
28
Figure 30 (page 28).
VENT PIPE
Figure 35