31
-DIP Switch Se
ttings
for Ve
n
t
Length
-
Wall
Hanger
Sidewall vent
V
erti
cal
condensa
tion
drain**
Backfl
ow
preventer*
*Backfl
ow preventer (Recommended for freezing weather c
onditions:
36 °F (2 °C) and below).
**V
erti
cal condensa
tion
drain must be installed in accordance with local codes. It is
required to be installed in the vent-
ing system when there is mor
e than 5 ft. (1.5 m) of equi
valent vent length, not including the sidewall termina
tion.
90° elbow
is equivalent to 5
ft.
(1.5
m) of vent length.
Roof
Roof
Fire stop
Hanger
V
erti
cal
condensa
tion
drain**
Backfl
ow
preventer*
Rain cap
•
•
Improper
venting
of this appliance can result in excessive levels of carbon
monoxide which can result in severe personal injury or death.
Improper
installation
can cause nausea or
asphyxiation,
severe injury
or death from carbon monoxide and
flue
gases poisoning. Improper
installation
will void product warranty.
DANGER
•
Specific
DIP switch
settings
are required depending on the length of your
vent run and the type of vent
installation.
Refer to the following
sections
for
details:
• Single Pipe with Room Air
• Two-pipe Direct Vent
HS115 PLUS
Vent length
No. 6
:
O N
No. 7
:
OFF
No. 8
:
OFF
0 to 60
ft.
(0 to
18.3
m)
ON
1
2 3 4 5 6 7 8 9
10
OFF
Single Pipe with
Room-Air I
n
take
DIP switch se
ttings
for single pipe with room-air intake
•
Venting Clearances
Summary of Contents for Smart 115 PLUS
Page 49: ...49 Boiler Notes ...
