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HIGH-ALTITUDE INSTALLATIONS
Check the altitude where your water heater is installed. Set DIP switches shown in the table below. The
DIP switch settings are depending on the altitude.
WARNING
•
The black squares indicate the positions of the DIP switches for high altitude
installation.
The 110C and 310C : Only adjust DIP switch No. 3, No. 4, and No.5.
The 510C : Only adjust DIP switch No. 2, No. 3, and No. 4 on the lower bank.
•
DO NOT adjust the other DIP switches for high altitude installation.
Bank of DIP switches
110C and 310C models
Computer board
Lower bank of DIP switches
510C model
Computer board
Installation
Installation Manual
Installation altitude
The maximum certified or allowable installed altitude is 10,100 ft. (3,078 m) for
CV models
0 to 2,000 ft.
(0 to 609 m)
DEFAULT
2,001 ft. to
3,000 ft.
(610 m to
914 m)
3,001 ft. to
5,000 ft.
(915 m to
1,524 m)
5,001 ft. to
7,500 ft.
(1,525 m to
2,286 m)
7,501 ft. to
10,100 ft.
(2,287 m to
3,078 m)
110C and
310C models
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
510C model
(Lower bank of
DIP switches)
No. 2 : OFF
No. 3 : OFF
No. 4 : OFF
No. 2 : OFF
No. 3 : ON
No. 4 : OFF
No. 2 : OFF
No. 3 : OFF
No. 4 : ON
No. 2 : OFF
No. 3 : ON
No. 4 : ON
No. 2 : ON
No. 3 : ON
No. 4 : ON
Altitude
Model
OFF
ON 1 2 3 4 5 6
OFF
ON 1 2 3 4 5 6
OFF
ON 1 2 3 4 5 6
OFF
ON 1 2 3 4 5 6
OFF
ON 1 2 3 4 5 6
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
