68
INSTALLATION INSTRUCTIONS
Start/Adjust
High-Altitude DIP Switch Adjustments (cont.)
Printed Circuit
Board (PCB)
Dip Switches
3
Dip switch
adjustment
3,280 feet
(1,000 m)
thru
6,560 feet
(2,000 m)
5
2
Remove the front cover panel on the water
heater.
Find DIP Switch 2 located in the top-right
portion of the PCB. The switch labeled “DIP 2”
is the bottom switch.
The factory settings for this switch should all be
in the OFF position (DOWN).
If altitude is above 3,280 ft. (1,000 m) and
below 6,560 ft. (2,000 m), change the third
switch on “DIP 2” to the ON position (UP).
If altitude is above 6,560 ft. (2,000 m) and
below 9,840 ft. (3,000 m), change the fourth
switch to the ON position (UP).
NOTICE: Do not alter any other DIP
switch settings. The manifold pressure will be
reduced accordingly.
Replace the front cover panel.
Turn on the gas and water to the water heater
by opening the shut-off valves.
7
As set
from factory
4
Dip switch
adjustment
6,560 feet
(2,000 m)
thru
9,840 feet
(3,000 m)
5
6
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