User Guide
28 Page
Installaon
Installaon 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
Computerboard
Indoormodel
Altitude
0to2,000ft.
(DEFAULT)
2,000to
3,000ft.
3,000to
5,000ft.
5,000to
7,500ft.
7,500to
10,100ft.
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
Outdoormodel
Altitude
0to2,000ft.
(DEFAULT)
2,000to
4,000ft.
4,000to
6,000ft.
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
Installationaltitude
The maximum certified
or allowable installed
altitude is 10,100 ft. for
indoor model and 6,000 ft.
for outdoor model.