12
Page
Bank of DIP switches
Computer board
Indoor model
Altitude
0 to 2,000 ft
(0 to 610 m)
(DEFAULT)
2,000 to
3,000 ft
(611 to 914 m)
3,000 to
5,000 ft
(915 to 1,524 m)
5,000 to
7,500 ft
(1,525 to 2,286 m)
7,500 to
10,100 ft
(2,287 to 3,078 m)
DIP switches
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
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
Outdoor model
Altitude
0 to 2,000 ft
(0 to 610 m)
(DEFAULT)
2,000 to
4,000 ft
(611 to 1,219 m)
4,000 to
6,000 ft
(1,220 to 1,829 m)
DIPswitches
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
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
HIGH-ALTITUDE INSTALLATIONS
WARNING
•
Adjust the appropriate DIP switches according to model and elevation as
shown below. DO NOT adjust the other DIP switches.
•
Turn off the power supply to the water heater before changing the DIP
switch settings.
•
Failure to observe these warnings could lead to carbon monoxide poisoning
or death.
Check the elevation where your water heater is installed. Set DIP switches shown in the table below
depending on the altitude.
NOTE:
The dark squares indicate the correct DIP switch positions.
Installation altitude
The maximum certified
or allowable installed
altitude is 10,100 ft
(3,078 m) for indoor
models and 6,000 ft
(1,829 m) for outdoor
models.
Installation
Installation Manual
