T-H3 Installation Manual

20 Page
Installaon
Installaon Manual
1. Connect 3" (76 mm) couplings directly on the exhaust
and intake vent collar of the water heater.
2. Connect 3" (76 mm) straight pipes to the couplings.
1. Connect 3"x 4" (76 x 102 mm) increasers directly
on the exhaust and intake vent collar of the water
heater.
2. Connect 4" (102 mm) straight pipes to the increasers.
<Howtoinstallintakeandexhaustventing(two-pipe,direct-vent)withtheindoormodels>
3"(76mm)ventconnecon 4"(102mm)ventconnecon
<Single-pipewithroom-airintakeinstallaon>
HorizontalInstallaon
VercalInstallaon
Roof
Fire stop
Connect between exhaust vent collar and piping.
See the instrucons below.
Roof
ashing
Elbow
Elbow
Wall
Hanger
For details of the optional items, refer to the Installation manual for each optional item.
DIP switch settings : Single vent pipe installations
Vent diameter
3" (76 mm) venting* 4" (102 mm) venting
5 to 45 ft
(1.5 to 13.7m)
(DEFAULT)
46 to70 ft
(13.8 to 21.3 m)
5 to 50 ft
(1.5 to 15.2m)
(DEFAULT)
51 to 100 ft
(15.3 to 30.5 m)
240/340
Indoor
OFF
ON
1 2 3 4 5 6 7 8 9 10
No. 6 : O N
No. 7 : OFF
OFF
ON
1 2 3 4 5 6 7 8 9 10
No. 6 : OFF
No. 7 : OFF
OFF
ON
1 2 3 4 5 6 7 8 9 10
No. 6 : O N
No. 7 : OFF
OFF
ON
1 2 3 4 5 6 7 8 9 10
No. 6 : OFF
No. 7 : OFF
540 Indoor
(Upper bank
of
DIP switches)
OFF
ON
1 2 3 4 5 6 7 8
No. 3 : O N
No. 4 : OFF
OFF
ON
1 2 3 4 5 6 7 8
No. 3 : OFF
No. 4 : OFF
OFF
ON
1 2 3 4 5 6 7 8
No. 3 : O N
No. 4 : OFF
OFF
ON
1 2 3 4 5 6 7 8
No. 3 : OFF
No. 4 : OFF
Vent
length
Model
Set DIP switches shown in the table below depending on the vent diameter and length.
Exhaust vent collar
(Female)
3" (76 mm) coupling
(included)
Intake vent collar
(Female)
3"(76 mm)
straight pipe
3" (76 mm)
straight pipe
3" (76 mm) coupling
(included)
Exhaust vent collar
(Female)
Intake vent collar
(Female)
3"x 4"
(76 x 102 mm)
increaser
3"x 4"
(76 x 102 mm)
increaser
4" (102 mm)
straight pipe
4" (102 mm)
straight pipe