T-H3M Installation Manual

28 Page
Installaon
Installaon Manual
HIGH-ALTITUDE INSTALLATIONS
Check the elevation where your water heater is installed. Set DIPswitches shown in the tables below
depending on the altitude.
NOTE: The dark squares indicate the direction the DIPswitches should be set to.
Only adjust the necessary switches.
Bank of DIPswitches
Computer board
Indoor model
Altitude
0 to 2,000 ft.
(DEFAULT)
2,000 to
3,000 ft.
3,000 to
5,000 ft.
5,000 to
7,500 ft.
7,500 to
10,100 ft.
DIPswitches
No. 3 : OFF
No. 4 : OFF
No. 5 : OFF
No. 3 : OFF
No. 4 : ON
No. 5 : OFF
No. 3 : OFF
No. 4 : OFF
No. 5 : ON
No. 3 : OFF
No. 4 : ON
No. 5 : ON
No. 3 : ON
No. 4 : ON
No. 5 : ON
OFF
ON
1 2 3 4 5 6 7 8 9 10
OFF
ON
1 2 3 4 5 6 7 8 9 10
OFF
ON
1 2 3 4 5 6 7 8 9 10
OFF
ON
1 2 3 4 5 6 7 8 9 10
OFF
ON
1 2 3 4 5 6 7 8 9 10
Outdoor model
Altitude
0 to 2,000 ft.
(DEFAULT)
2,000 to
4,000 ft.
4,000 to
6,000 ft.
DIPswitches
No. 3 : OFF
No. 4 : OFF
No. 5 : OFF
No. 3 : OFF
No. 4 : OFF
No. 5 : ON
No. 3 : ON
No. 4 : OFF
No. 5 : ON
OFF
ON
1 2 3 4 5 6 7 8 9 10
OFF
ON
1 2 3 4 5 6 7 8 9 10
OFF
ON
1 2 3 4 5 6 7 8 9 10
Installation altitude
The maximum certified
or allowable installed
altitude is 10,100 ft. for
indoor model and 6,000 ft.
for outdoor model.